1 | /*
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2 | * DIS (Delphi Information Server) Package implements a library of
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3 | * routines to be used by servers.
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4 | *
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5 | * Started on : 10-11-91
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6 | * Last modification : 28-07-94
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7 | * Written by : C. Gaspar
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8 | * Adjusted by : G.C. Ballintijn
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9 | *
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10 | */
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11 |
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12 | #ifdef VMS
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13 | # include <lnmdef.h>
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14 | # include <ssdef.h>
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15 | # include <descrip.h>
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16 | # include <cfortran.h>
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17 | #endif
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18 | /*
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19 | #define DEBUG
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20 | */
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21 | #include <time.h>
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22 | #ifdef VAX
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23 | #include <timeb.h>
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24 | #else
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25 | #include <sys/timeb.h>
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26 | #endif
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27 |
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28 | #define DIMLIB
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29 | #include <dim.h>
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30 | #include <dis.h>
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31 |
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32 | #define ALL 0
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33 | #define MORE 1
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34 | #define NONE 2
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35 |
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36 | typedef struct dis_dns_ent {
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37 | struct dis_dns_ent *next;
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38 | struct dis_dns_ent *prev;
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39 | dim_long dnsid;
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40 | char task_name[MAX_NAME];
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41 | TIMR_ENT *dns_timr_ent;
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42 | DIS_DNS_PACKET dis_dns_packet;
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43 | int dis_n_services;
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44 | int dns_dis_conn_id;
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45 | int dis_first_time;
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46 | int serving;
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47 | unsigned int dis_service_id;
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48 | unsigned int dis_client_id;
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49 | int updating_service_list;
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50 | } DIS_DNS_CONN;
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51 |
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52 | typedef struct req_ent {
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53 | struct req_ent *next;
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54 | struct req_ent *prev;
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55 | int conn_id;
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56 | int service_id;
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57 | int req_id;
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58 | int type;
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59 | struct serv *service_ptr;
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60 | int timeout;
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61 | int format;
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62 | int first_time;
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63 | int delay_delete;
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64 | int to_delete;
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65 | TIMR_ENT *timr_ent;
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66 | struct reqp_ent *reqpp;
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67 | } REQUEST;
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68 |
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69 | typedef struct serv {
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70 | struct serv *next;
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71 | struct serv *prev;
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72 | char name[MAX_NAME];
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73 | int id;
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74 | int type;
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75 | char def[MAX_NAME];
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76 | FORMAT_STR format_data[MAX_NAME/4];
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77 | int *address;
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78 | int size;
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79 | void (*user_routine)();
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80 | dim_long tag;
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81 | int registered;
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82 | int quality;
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83 | int user_secs;
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84 | int user_millisecs;
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85 | int tid;
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86 | REQUEST *request_head;
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87 | DIS_DNS_CONN *dnsp;
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88 | int delay_delete;
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89 | int to_delete;
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90 | } SERVICE;
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91 |
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92 | typedef struct reqp_ent {
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93 | struct reqp_ent *next;
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94 | struct reqp_ent *prev;
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95 | REQUEST *reqp;
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96 | } REQUEST_PTR;
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97 |
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98 | typedef struct cli_ent {
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99 | struct cli_ent *next;
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100 | struct cli_ent *prev;
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101 | int conn_id;
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102 | REQUEST_PTR *requestp_head;
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103 | DIS_DNS_CONN *dnsp;
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104 | } CLIENT;
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105 |
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106 | static CLIENT *Client_head = (CLIENT *)0;
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107 |
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108 | static DIS_DNS_CONN *DNS_head = (DIS_DNS_CONN *)0;
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109 |
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110 | /*
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111 | static char Task_name[MAX_NAME];
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112 | static TIMR_ENT *Dns_timr_ent = (TIMR_ENT *)0;
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113 | static DIS_DNS_PACKET Dis_dns_packet = {0, 0, {0}};
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114 | static int Dis_n_services = 0;
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115 | */
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116 | static int Dis_first_time = 1;
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117 | /*
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118 | static int Dns_dis_conn_id = 0;
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119 | */
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120 | static int Protocol;
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121 | static int Port_number;
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122 | static int Dis_conn_id = 0;
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123 | static int Curr_conn_id = 0;
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124 | static int Serving = 0;
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125 | static void (*Client_exit_user_routine)() = 0;
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126 | static void (*Exit_user_routine)() = 0;
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127 | static void (*Error_user_routine)() = 0;
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128 | static int Error_conn_id = 0;
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129 | DIS_DNS_CONN *Default_DNS = 0;
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130 |
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131 | typedef struct exit_ent {
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132 | struct exit_ent *next;
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133 | int conn_id;
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134 | int exit_id;
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135 | char node[MAX_NODE_NAME];
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136 | char task[MAX_TASK_NAME];
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137 | } EXIT_H;
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138 |
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139 | static EXIT_H *Exit_h_head = (EXIT_H *)0;
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140 |
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141 | /* Do not forget to increase when this file is modified */
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142 | static int Version_number = DIM_VERSION_NUMBER;
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143 | static int Dis_timer_q = 0;
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144 | static int Threads_off = 0;
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145 | /*
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146 | static unsigned int Dis_service_id, Dis_client_id;
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147 | static int Updating_service_list = 0;
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148 | */
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149 | static int Last_client;
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150 | static int Last_n_clients;
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151 |
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152 |
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153 | #ifdef DEBUG
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154 | static int Debug_on = 1;
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155 | #else
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156 | static int Debug_on = 0;
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157 | #endif
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158 |
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159 | _DIM_PROTO( static void dis_insert_request, (int conn_id, DIC_PACKET *dic_packet,
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160 | int size, int status ) );
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161 | _DIM_PROTO( int execute_service, (int req_id) );
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162 | _DIM_PROTO( void execute_command, (SERVICE *servp, DIC_PACKET *packet) );
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163 | _DIM_PROTO( void register_dns_services, (int flag) );
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164 | _DIM_PROTO( void register_services, (DIS_DNS_CONN *dnsp, int flag, int dns_flag) );
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165 | _DIM_PROTO( void std_cmnd_handler, (dim_long *tag, int *cmnd_buff, int *size) );
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166 | _DIM_PROTO( void client_info, (dim_long *tag, int **bufp, int *size) );
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167 | _DIM_PROTO( void service_info, (dim_long *tag, int **bufp, int *size) );
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168 | _DIM_PROTO( void add_exit_handler, (int *tag, int *bufp, int *size) );
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169 | _DIM_PROTO( static void exit_handler, (int *tag, int *bufp, int *size) );
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170 | _DIM_PROTO( static void error_handler, (int conn_id, int severity, int errcode, char *reason) );
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171 | _DIM_PROTO( SERVICE *find_service, (char *name) );
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172 | _DIM_PROTO( CLIENT *find_client, (int conn_id) );
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173 | _DIM_PROTO( static int get_format_data, (FORMAT_STR *format_data, char *def) );
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174 | _DIM_PROTO( static int release_conn, (int conn_id, int print_flag, int dns_flag) );
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175 | _DIM_PROTO( SERVICE *dis_hash_service_exists, (char *name) );
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176 | _DIM_PROTO( SERVICE *dis_hash_service_get_next, (int *start, SERVICE *prev, int flag) );
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177 | _DIM_PROTO( static unsigned do_dis_add_service_dns, (char *name, char *type, void *address, int size,
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178 | void (*user_routine)(), dim_long tag, dim_long dnsid ) );
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179 | _DIM_PROTO( static DIS_DNS_CONN *create_dns, (dim_long dnsid) );
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180 |
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181 | void dis_set_debug_on()
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182 | {
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183 | Debug_on = 1;
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184 | }
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185 |
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186 | void dis_set_debug_off()
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187 | {
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188 | Debug_on = 0;
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189 | }
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190 |
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191 | void dis_no_threads()
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192 | {
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193 | Threads_off = 1;
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194 | }
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195 |
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196 | static DIS_STAMPED_PACKET *Dis_packet = 0;
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197 | static int Dis_packet_size = 0;
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198 |
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199 | int dis_set_buffer_size(int size)
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200 | {
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201 | if(Dis_packet_size)
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202 | free(Dis_packet);
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203 | Dis_packet = (DIS_STAMPED_PACKET *)malloc((size_t)(DIS_STAMPED_HEADER + size));
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204 | if(Dis_packet)
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205 | {
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206 | Dis_packet_size = DIS_STAMPED_HEADER + size;
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207 | return(1);
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208 | }
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209 | else
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210 | return(0);
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211 | }
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212 |
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213 | static int check_service_name(char *name)
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214 | {
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215 | if((int)strlen(name) > (MAX_NAME - 1))
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216 | return(0);
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217 | return(1);
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218 | }
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219 |
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220 | void dis_init()
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221 | {
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222 | int dis_hash_service_init();
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223 | void dis_dns_init();
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224 |
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225 | dis_dns_init();
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226 | {
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227 | DISABLE_AST
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228 | dis_hash_service_init();
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229 | ENABLE_AST
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230 | }
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231 | }
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232 |
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233 | static unsigned do_dis_add_service_dns( char *name, char *type, void *address, int size,
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234 | void (*user_routine)(), dim_long tag, dim_long dnsid )
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235 | {
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236 | register SERVICE *new_serv;
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237 | register int service_id;
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238 | char str[512];
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239 | int dis_hash_service_insert();
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240 | DIS_DNS_CONN *dnsp;
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241 | extern DIS_DNS_CONN *dis_find_dns(dim_long);
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242 |
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243 | dis_init();
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244 | {
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245 | DISABLE_AST
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246 | if(Serving == -1)
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247 | {
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248 | ENABLE_AST
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249 | return((unsigned) 0);
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250 | }
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251 | if(!check_service_name(name))
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252 | {
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253 | strcpy(str,"Service name too long: ");
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254 | strcat(str,name);
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255 | error_handler(0, DIM_ERROR, DIMSVCTOOLG, str, -1);
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256 | ENABLE_AST
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257 | return((unsigned) 0);
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258 | }
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259 | if( find_service(name) )
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260 | {
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261 | strcpy(str,"Duplicate Service: ");
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262 | strcat(str,name);
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263 | error_handler(0, DIM_ERROR, DIMSVCDUPLC, str, -1);
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264 | ENABLE_AST
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265 | return((unsigned) 0);
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266 | }
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267 | new_serv = (SERVICE *)malloc( sizeof(SERVICE) );
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268 | strncpy( new_serv->name, name, (size_t)MAX_NAME );
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269 | if(type != (char *)0)
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270 | {
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271 | if ((int)strlen(type) >= MAX_NAME)
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272 | {
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273 | strcpy(str,"Format String Too Long: ");
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274 | strcat(str,name);
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275 | error_handler(0, DIM_ERROR, DIMSVCFORMT, str, -1);
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276 | free(new_serv);
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277 | ENABLE_AST
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278 | return((unsigned) 0);
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279 | }
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280 | if (! get_format_data(new_serv->format_data, type))
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281 | {
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282 | strcpy(str,"Bad Format String: ");
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283 | strcat(str,name);
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284 | error_handler(0, DIM_ERROR, DIMSVCFORMT, str, -1);
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285 | free(new_serv);
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286 | ENABLE_AST
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287 | return((unsigned) 0);
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288 | }
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289 | strcpy(new_serv->def,type);
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290 | }
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291 | else
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292 | {
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293 | new_serv->format_data[0].par_bytes = 0;
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294 | new_serv->def[0] = '\0';
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295 | }
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296 | new_serv->type = 0;
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297 | new_serv->address = (int *)address;
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298 | new_serv->size = size;
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299 | new_serv->user_routine = user_routine;
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300 | new_serv->tag = tag;
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301 | new_serv->registered = 0;
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302 | new_serv->quality = 0;
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303 | new_serv->user_secs = 0;
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304 | new_serv->tid = 0;
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305 | new_serv->delay_delete = 0;
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306 | new_serv->to_delete = 0;
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307 | dnsp = dis_find_dns(dnsid);
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308 | if(!dnsp)
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309 | dnsp = create_dns(dnsid);
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310 | new_serv->dnsp = dnsp;
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311 | service_id = id_get((void *)new_serv, SRC_DIS);
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312 | new_serv->id = service_id;
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313 | new_serv->request_head = (REQUEST *)malloc(sizeof(REQUEST));
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314 | dll_init( (DLL *) (new_serv->request_head) );
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315 | dis_hash_service_insert(new_serv);
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316 | /*
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317 | Dis_n_services++;
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318 | */
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319 | dnsp->dis_n_services++;
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320 | ENABLE_AST
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321 | }
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322 | return((unsigned)service_id);
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323 | }
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324 |
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325 | static unsigned do_dis_add_service( char *name, char *type, void *address, int size,
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326 | void (*user_routine)(), dim_long tag )
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327 | {
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328 | return do_dis_add_service_dns( name, type, address, size,
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329 | user_routine, tag, 0 );
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330 | }
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331 |
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332 | #ifdef VxWorks
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333 | void dis_destroy(int tid)
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334 | {
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335 | register SERVICE *servp, *prevp;
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336 | int n_left = 0;
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337 |
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338 | prevp = 0;
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339 | while( servp = dis_hash_service_get_next(prevp))
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340 | {
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341 | if(servp->tid == tid)
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342 | {
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343 | dis_remove_service(servp->id);
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344 | }
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345 | else
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346 | {
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347 | prevp = servp;
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348 | n_left++;
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349 | }
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350 | }
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351 | if(n_left == 5)
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352 | {
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353 | prevp = 0;
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354 | while( servp = dis_hash_service_get_next(prevp))
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355 | {
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356 | dis_remove_service(servp->id);
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357 | }
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358 | dna_close(Dis_conn_id);
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359 | dna_close(Dns_dis_conn_id);
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360 | Dns_dis_conn_id = 0;
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361 | Dis_first_time = 1;
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362 | dtq_rem_entry(Dis_timer_q, Dns_timr_ent);
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363 | Dns_timr_ent = NULL;
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364 | }
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365 | }
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366 |
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367 |
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368 | #endif
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369 |
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370 | unsigned dis_add_service( char *name, char *type, void *address, int size,
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371 | void (*user_routine)(), dim_long tag)
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372 | {
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373 | unsigned ret;
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374 | #ifdef VxWorks
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375 | register SERVICE *servp;
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376 | #endif
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377 | /*
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378 | DISABLE_AST
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379 | */
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380 | ret = do_dis_add_service( name, type, address, size, user_routine, tag);
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381 | #ifdef VxWorks
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382 | servp = (SERVICE *)id_get_ptr(ret, SRC_DIS);
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383 | servp->tid = taskIdSelf();
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384 | #endif
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385 | /*
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386 | ENABLE_AST
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387 | */
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388 | return(ret);
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389 | }
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390 |
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391 | unsigned dis_add_service_dns( dim_long dnsid, char *name, char *type, void *address, int size,
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392 | void (*user_routine)(), dim_long tag)
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393 | {
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394 | unsigned ret;
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395 | #ifdef VxWorks
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396 | register SERVICE *servp;
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397 | #endif
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398 | /*
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399 | DISABLE_AST
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400 | */
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401 | ret = do_dis_add_service_dns( name, type, address, size, user_routine, tag, dnsid);
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402 | #ifdef VxWorks
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403 | servp = (SERVICE *)id_get_ptr(ret, SRC_DIS);
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404 | servp->tid = taskIdSelf();
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405 | #endif
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406 | /*
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407 | ENABLE_AST
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408 | */
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409 | return(ret);
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410 | }
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411 |
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412 | static unsigned do_dis_add_cmnd_dns( char *name, char *type, void (*user_routine)(), dim_long tag, dim_long dnsid )
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413 | {
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414 | register SERVICE *new_serv;
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415 | register int service_id;
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416 | char str[512];
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417 | int dis_hash_service_insert();
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418 | DIS_DNS_CONN *dnsp;
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419 | extern DIS_DNS_CONN *dis_find_dns(dim_long);
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420 |
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421 | dis_init();
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422 | {
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423 | DISABLE_AST
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424 | if(Serving == -1)
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425 | {
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426 | ENABLE_AST
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427 | return((unsigned) 0);
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428 | }
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429 | if(!check_service_name(name))
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430 | {
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431 | strcpy(str,"Command name too long: ");
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432 | strcat(str,name);
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433 | error_handler(0, DIM_ERROR, DIMSVCTOOLG, str, -1);
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434 | ENABLE_AST
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435 | return((unsigned) 0);
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436 | }
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437 | if( find_service(name) )
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438 | {
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439 | ENABLE_AST
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440 | return((unsigned) 0);
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441 | }
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442 | new_serv = (SERVICE *)malloc(sizeof(SERVICE));
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443 | strncpy(new_serv->name, name, (size_t)MAX_NAME);
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444 | if(type != (char *)0)
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445 | {
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446 | if( !get_format_data(new_serv->format_data, type))
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447 | {
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448 | ENABLE_AST
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449 | return((unsigned) 0);
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450 | }
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451 | strcpy(new_serv->def,type);
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452 | }
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453 | else
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454 | {
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455 | new_serv->format_data[0].par_bytes = 0;
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456 | new_serv->def[0] = '\0';
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457 | }
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458 | new_serv->type = COMMAND;
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459 | new_serv->address = 0;
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460 | new_serv->size = 0;
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461 | if(user_routine)
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462 | new_serv->user_routine = user_routine;
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463 | else
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---|
464 | new_serv->user_routine = std_cmnd_handler;
|
---|
465 | new_serv->tag = tag;
|
---|
466 | new_serv->tid = 0;
|
---|
467 | new_serv->registered = 0;
|
---|
468 | new_serv->quality = 0;
|
---|
469 | new_serv->user_secs = 0;
|
---|
470 | new_serv->delay_delete = 0;
|
---|
471 | new_serv->to_delete = 0;
|
---|
472 | service_id = id_get((void *)new_serv, SRC_DIS);
|
---|
473 | new_serv->id = service_id;
|
---|
474 | dnsp = dis_find_dns(dnsid);
|
---|
475 | if(!dnsp)
|
---|
476 | dnsp = create_dns(dnsid);
|
---|
477 | new_serv->dnsp = dnsp;
|
---|
478 | new_serv->request_head = (REQUEST *)malloc(sizeof(REQUEST));
|
---|
479 | dll_init( (DLL *) (new_serv->request_head) );
|
---|
480 | dis_hash_service_insert(new_serv);
|
---|
481 | /*
|
---|
482 | Dis_n_services++;
|
---|
483 | */
|
---|
484 | dnsp->dis_n_services++;
|
---|
485 | ENABLE_AST
|
---|
486 | }
|
---|
487 | return((unsigned) service_id);
|
---|
488 | }
|
---|
489 |
|
---|
490 | static unsigned do_dis_add_cmnd( char *name, char *type, void (*user_routine)(), dim_long tag)
|
---|
491 | {
|
---|
492 | return do_dis_add_cmnd_dns(name, type, user_routine, tag, 0);
|
---|
493 | }
|
---|
494 |
|
---|
495 | unsigned dis_add_cmnd( char *name, char *type, void (*user_routine)(), dim_long tag )
|
---|
496 | {
|
---|
497 | unsigned ret;
|
---|
498 |
|
---|
499 | /*
|
---|
500 | DISABLE_AST
|
---|
501 | */
|
---|
502 | ret = do_dis_add_cmnd( name, type, user_routine, tag );
|
---|
503 | /*
|
---|
504 | ENABLE_AST
|
---|
505 | */
|
---|
506 | return(ret);
|
---|
507 | }
|
---|
508 |
|
---|
509 | unsigned dis_add_cmnd_dns( dim_long dnsid, char *name, char *type, void (*user_routine)(), dim_long tag )
|
---|
510 | {
|
---|
511 | unsigned ret;
|
---|
512 |
|
---|
513 | /*
|
---|
514 | DISABLE_AST
|
---|
515 | */
|
---|
516 | ret = do_dis_add_cmnd_dns( name, type, user_routine, tag, dnsid );
|
---|
517 | /*
|
---|
518 | ENABLE_AST
|
---|
519 | */
|
---|
520 | return(ret);
|
---|
521 | }
|
---|
522 |
|
---|
523 | void dis_add_client_exit_handler( void (*user_routine)())
|
---|
524 | {
|
---|
525 |
|
---|
526 | DISABLE_AST
|
---|
527 | Client_exit_user_routine = user_routine;
|
---|
528 | ENABLE_AST
|
---|
529 | }
|
---|
530 |
|
---|
531 | void dis_add_exit_handler( void (*user_routine)())
|
---|
532 | {
|
---|
533 |
|
---|
534 | DISABLE_AST
|
---|
535 | Exit_user_routine = user_routine;
|
---|
536 | ENABLE_AST
|
---|
537 | }
|
---|
538 |
|
---|
539 | void dis_add_error_handler( void (*user_routine)())
|
---|
540 | {
|
---|
541 |
|
---|
542 | DISABLE_AST
|
---|
543 | Error_user_routine = user_routine;
|
---|
544 | ENABLE_AST
|
---|
545 | }
|
---|
546 |
|
---|
547 | static int get_format_data(FORMAT_STR *format_data, char *def)
|
---|
548 | {
|
---|
549 | register char code, last_code = 0;
|
---|
550 | int num;
|
---|
551 |
|
---|
552 | code = *def;
|
---|
553 | while(*def)
|
---|
554 | {
|
---|
555 | if(code != last_code)
|
---|
556 | {
|
---|
557 | format_data->par_num = 0;
|
---|
558 | format_data->flags = 0;
|
---|
559 | switch(code)
|
---|
560 | {
|
---|
561 | case 'i':
|
---|
562 | case 'I':
|
---|
563 | case 'l':
|
---|
564 | case 'L':
|
---|
565 | format_data->par_bytes = SIZEOF_LONG;
|
---|
566 | format_data->flags |= SWAPL;
|
---|
567 | break;
|
---|
568 | case 'x':
|
---|
569 | case 'X':
|
---|
570 | format_data->par_bytes = SIZEOF_DOUBLE;
|
---|
571 | format_data->flags |= SWAPD;
|
---|
572 | break;
|
---|
573 | case 's':
|
---|
574 | case 'S':
|
---|
575 | format_data->par_bytes = SIZEOF_SHORT;
|
---|
576 | format_data->flags |= SWAPS;
|
---|
577 | break;
|
---|
578 | case 'f':
|
---|
579 | case 'F':
|
---|
580 | format_data->par_bytes = SIZEOF_FLOAT;
|
---|
581 | format_data->flags |= SWAPL;
|
---|
582 | #ifdef vms
|
---|
583 | format_data->flags |= IT_IS_FLOAT;
|
---|
584 | #endif
|
---|
585 | break;
|
---|
586 | case 'd':
|
---|
587 | case 'D':
|
---|
588 | format_data->par_bytes = SIZEOF_DOUBLE;
|
---|
589 | format_data->flags |= SWAPD;
|
---|
590 | #ifdef vms
|
---|
591 | format_data->flags |= IT_IS_FLOAT;
|
---|
592 | #endif
|
---|
593 | break;
|
---|
594 | case 'c':
|
---|
595 | case 'C':
|
---|
596 | case 'b':
|
---|
597 | case 'B':
|
---|
598 | case 'v':
|
---|
599 | case 'V':
|
---|
600 | format_data->par_bytes = SIZEOF_CHAR;
|
---|
601 | format_data->flags |= NOSWAP;
|
---|
602 | break;
|
---|
603 | }
|
---|
604 | }
|
---|
605 | def++;
|
---|
606 | if(*def != ':')
|
---|
607 | {
|
---|
608 | if(*def)
|
---|
609 | {
|
---|
610 | /*
|
---|
611 | printf("Bad service definition parsing\n");
|
---|
612 | fflush(stdout);
|
---|
613 |
|
---|
614 | error_handler("Bad service definition parsing",2);
|
---|
615 | */
|
---|
616 | return(0);
|
---|
617 | }
|
---|
618 | else
|
---|
619 | format_data->par_num = 0;
|
---|
620 | }
|
---|
621 | else
|
---|
622 | {
|
---|
623 | def++;
|
---|
624 | sscanf(def,"%d",&num);
|
---|
625 | format_data->par_num += num;
|
---|
626 | while((*def != ';') && (*def != '\0'))
|
---|
627 | def++;
|
---|
628 | if(*def)
|
---|
629 | def++;
|
---|
630 | }
|
---|
631 | last_code = code;
|
---|
632 | code = *def;
|
---|
633 | if(code != last_code)
|
---|
634 | format_data++;
|
---|
635 | }
|
---|
636 | format_data->par_bytes = 0;
|
---|
637 | return(1);
|
---|
638 | }
|
---|
639 |
|
---|
640 | void recv_dns_dis_rout( int conn_id, DNS_DIS_PACKET *packet, int size, int status )
|
---|
641 | {
|
---|
642 | char str[128];
|
---|
643 | int dns_timr_time;
|
---|
644 | extern int rand_tmout(int, int);
|
---|
645 | extern int open_dns(dim_long, void (*)(), void (*)(), int, int, int);
|
---|
646 | extern DIS_DNS_CONN *find_dns_by_conn_id(int);
|
---|
647 | extern void do_register_services(DIS_DNS_CONN *);
|
---|
648 | extern void do_dis_stop_serving_dns(DIS_DNS_CONN *);
|
---|
649 | DIS_DNS_CONN *dnsp;
|
---|
650 | int type, exit_code;
|
---|
651 |
|
---|
652 | if(size){}
|
---|
653 | dnsp = find_dns_by_conn_id(conn_id);
|
---|
654 | if(!dnsp)
|
---|
655 | {
|
---|
656 | return;
|
---|
657 | }
|
---|
658 | switch(status)
|
---|
659 | {
|
---|
660 | case STA_DISC: /* connection broken */
|
---|
661 | if( dnsp->dns_timr_ent ) {
|
---|
662 | dtq_rem_entry( Dis_timer_q, dnsp->dns_timr_ent );
|
---|
663 | dnsp->dns_timr_ent = NULL;
|
---|
664 | }
|
---|
665 |
|
---|
666 | if(dnsp->dns_dis_conn_id > 0)
|
---|
667 | dna_close(dnsp->dns_dis_conn_id);
|
---|
668 | if(Serving == -1)
|
---|
669 | return;
|
---|
670 | if(dnsp->serving)
|
---|
671 | {
|
---|
672 | dnsp->dns_dis_conn_id = open_dns(dnsp->dnsid, recv_dns_dis_rout, error_handler,
|
---|
673 | DIS_DNS_TMOUT_MIN, DIS_DNS_TMOUT_MAX, SRC_DIS );
|
---|
674 | if(dnsp->dns_dis_conn_id == -2)
|
---|
675 | error_handler(0, DIM_FATAL, DIMDNSUNDEF, "DIM_DNS_NODE undefined", -1);
|
---|
676 | }
|
---|
677 | break;
|
---|
678 | case STA_CONN: /* connection received */
|
---|
679 | if(dnsp->serving)
|
---|
680 | {
|
---|
681 | dnsp->dns_dis_conn_id = conn_id;
|
---|
682 | register_services(dnsp, ALL, 0);
|
---|
683 | dns_timr_time = rand_tmout(WATCHDOG_TMOUT_MIN,
|
---|
684 | WATCHDOG_TMOUT_MAX);
|
---|
685 | dnsp->dns_timr_ent = dtq_add_entry( Dis_timer_q,
|
---|
686 | dns_timr_time,
|
---|
687 | do_register_services, dnsp );
|
---|
688 | }
|
---|
689 | else
|
---|
690 | {
|
---|
691 | dna_close(conn_id);
|
---|
692 | }
|
---|
693 | break;
|
---|
694 | default : /* normal packet */
|
---|
695 | if(vtohl(packet->size) != DNS_DIS_HEADER)
|
---|
696 | break;
|
---|
697 | type = vtohl(packet->type);
|
---|
698 | exit_code = (type >> 16) & 0xFFFF;
|
---|
699 | type &= 0xFFFF;
|
---|
700 | switch(type)
|
---|
701 | {
|
---|
702 | case DNS_DIS_REGISTER :
|
---|
703 | sprintf(str,
|
---|
704 | "%s: Watchdog Timeout, DNS requests registration",
|
---|
705 | dnsp->task_name);
|
---|
706 | error_handler(0, DIM_WARNING, DIMDNSTMOUT, str, -1);
|
---|
707 | register_services(dnsp, ALL, 0);
|
---|
708 | break;
|
---|
709 | case DNS_DIS_KILL :
|
---|
710 | sprintf(str,
|
---|
711 | "%s: Some Services already known to DNS",
|
---|
712 | dnsp->task_name);
|
---|
713 | /*
|
---|
714 | exit(2);
|
---|
715 | */
|
---|
716 | Serving = -1;
|
---|
717 | error_handler(0, DIM_FATAL, DIMDNSDUPLC, str, -1);
|
---|
718 | /*
|
---|
719 | do_dis_stop_serving_dns(dnsp);
|
---|
720 | dis_stop_serving();
|
---|
721 | */
|
---|
722 | /*
|
---|
723 | exit_tag = 0;
|
---|
724 | exit_code = 2;
|
---|
725 | exit_size = sizeof(int);
|
---|
726 | exit_handler(&exit_tag, &exit_code, &exit_size);
|
---|
727 | */
|
---|
728 | break;
|
---|
729 | case DNS_DIS_STOP :
|
---|
730 | sprintf(str,
|
---|
731 | "%s: DNS refuses connection",dnsp->task_name);
|
---|
732 | /*
|
---|
733 | exit(2);
|
---|
734 | */
|
---|
735 | Serving = -1;
|
---|
736 | error_handler(0, DIM_FATAL, DIMDNSREFUS, str, -1);
|
---|
737 | /*
|
---|
738 | do_dis_stop_serving_dns(dnsp);
|
---|
739 | dis_stop_serving();
|
---|
740 | */
|
---|
741 | /*
|
---|
742 | exit_tag = 0;
|
---|
743 | exit_code = 2;
|
---|
744 | exit_size = sizeof(int);
|
---|
745 | exit_handler(&exit_tag, &exit_code, &exit_size);
|
---|
746 | */
|
---|
747 | break;
|
---|
748 | case DNS_DIS_EXIT :
|
---|
749 | sprintf(str,
|
---|
750 | "%s: DNS requests Exit",dnsp->task_name);
|
---|
751 | /*
|
---|
752 | Serving = -1;
|
---|
753 | */
|
---|
754 | error_handler(0, DIM_FATAL, DIMDNSEXIT, str, -1);
|
---|
755 | break;
|
---|
756 | case DNS_DIS_SOFT_EXIT :
|
---|
757 | sprintf(str,
|
---|
758 | "%s: DNS requests Exit(%d)",dnsp->task_name, exit_code);
|
---|
759 | /*
|
---|
760 | Serving = -1;
|
---|
761 | */
|
---|
762 | error_handler(0, DIM_FATAL, DIMDNSEXIT, str, exit_code);
|
---|
763 | break;
|
---|
764 | }
|
---|
765 | break;
|
---|
766 | }
|
---|
767 | }
|
---|
768 |
|
---|
769 |
|
---|
770 | /* register services within the name server
|
---|
771 | *
|
---|
772 | * Send services uses the DNA package. services is a linked list of services
|
---|
773 | * stored by add_service.
|
---|
774 | */
|
---|
775 |
|
---|
776 | int send_dns_update_packet(DIS_DNS_CONN *dnsp)
|
---|
777 | {
|
---|
778 | DIS_DNS_PACKET *dis_dns_p = &(dnsp->dis_dns_packet);
|
---|
779 | int n_services;
|
---|
780 | SERVICE_REG *serv_regp;
|
---|
781 |
|
---|
782 | n_services = 1;
|
---|
783 | dis_dns_p->n_services = htovl(n_services);
|
---|
784 | dis_dns_p->size = htovl(DIS_DNS_HEADER +
|
---|
785 | n_services * (int)sizeof(SERVICE_REG));
|
---|
786 | serv_regp = dis_dns_p->services;
|
---|
787 | strcpy( serv_regp->service_name, "DUMMY_UPDATE_PACKET" );
|
---|
788 | if(dnsp->dns_dis_conn_id > 0)
|
---|
789 | {
|
---|
790 | if(Debug_on)
|
---|
791 | {
|
---|
792 | dim_print_date_time();
|
---|
793 | printf("Sending UpdatePacket to dns %d as %s@%s, %d services\n",
|
---|
794 | dnsp->dns_dis_conn_id,
|
---|
795 | (&(dnsp->dis_dns_packet))->task_name, (&(dnsp->dis_dns_packet))->node_name, n_services);
|
---|
796 | }
|
---|
797 | if( !dna_write(dnsp->dns_dis_conn_id, &(dnsp->dis_dns_packet),
|
---|
798 | DIS_DNS_HEADER + n_services * (int)sizeof(SERVICE_REG)))
|
---|
799 | {
|
---|
800 | release_conn(dnsp->dns_dis_conn_id, 0, 1);
|
---|
801 | }
|
---|
802 | }
|
---|
803 | return(1);
|
---|
804 | }
|
---|
805 |
|
---|
806 | void do_register_services(DIS_DNS_CONN *dnsp)
|
---|
807 | {
|
---|
808 | register_services(dnsp, NONE, 0);
|
---|
809 | }
|
---|
810 |
|
---|
811 | void register_services(DIS_DNS_CONN *dnsp, int flag, int dns_flag)
|
---|
812 | {
|
---|
813 | register DIS_DNS_PACKET *dis_dns_p = &(dnsp->dis_dns_packet);
|
---|
814 | register int n_services, tot_n_services;
|
---|
815 | register SERVICE *servp;
|
---|
816 | register SERVICE_REG *serv_regp;
|
---|
817 | int hash_index, new_entries;
|
---|
818 | extern int get_node_addr();
|
---|
819 | int dis_hash_service_registered();
|
---|
820 |
|
---|
821 | if(!dis_dns_p->src_type)
|
---|
822 | {
|
---|
823 | get_node_name( dis_dns_p->node_name );
|
---|
824 | /*
|
---|
825 | strcpy( dis_dns_p->task_name, Task_name );
|
---|
826 | */
|
---|
827 | strncpy( dis_dns_p->task_name, dnsp->task_name,
|
---|
828 | (size_t)(MAX_TASK_NAME-4) );
|
---|
829 | dis_dns_p->task_name[MAX_TASK_NAME-4-1] = '\0';
|
---|
830 | get_node_addr( dis_dns_p->node_addr );
|
---|
831 | /*
|
---|
832 | dis_dns_p->port = htovl(Port_number);
|
---|
833 | */
|
---|
834 | dis_dns_p->pid = htovl(getpid());
|
---|
835 | dis_dns_p->protocol = htovl(Protocol);
|
---|
836 | dis_dns_p->src_type = htovl(SRC_DIS);
|
---|
837 | dis_dns_p->format = htovl(MY_FORMAT);
|
---|
838 | if(Debug_on)
|
---|
839 | {
|
---|
840 | dim_print_date_time();
|
---|
841 | printf("Registering as %d %s@%s\n",
|
---|
842 | dis_dns_p->pid, dis_dns_p->task_name, dis_dns_p->node_name);
|
---|
843 | }
|
---|
844 |
|
---|
845 | }
|
---|
846 |
|
---|
847 | dis_dns_p->port = htovl(Port_number);
|
---|
848 | serv_regp = dis_dns_p->services;
|
---|
849 | n_services = 0;
|
---|
850 | tot_n_services = 0;
|
---|
851 | if( flag == NONE ) {
|
---|
852 | dis_dns_p->n_services = htovl(n_services);
|
---|
853 | dis_dns_p->size = htovl( DIS_DNS_HEADER +
|
---|
854 | (n_services*(int)sizeof(SERVICE_REG)));
|
---|
855 | if(dnsp->dns_dis_conn_id > 0)
|
---|
856 | {
|
---|
857 | if(Debug_on)
|
---|
858 | {
|
---|
859 | dim_print_date_time();
|
---|
860 | printf("Sending NONE to dns %d as %s@%s, %d services\n",
|
---|
861 | dnsp->dns_dis_conn_id,
|
---|
862 | (&(dnsp->dis_dns_packet))->task_name, (&(dnsp->dis_dns_packet))->node_name, n_services);
|
---|
863 | }
|
---|
864 | if(!dna_write(dnsp->dns_dis_conn_id, &(dnsp->dis_dns_packet),
|
---|
865 | DIS_DNS_HEADER + n_services*(int)sizeof(SERVICE_REG)))
|
---|
866 | {
|
---|
867 | release_conn(dnsp->dns_dis_conn_id, 0, 1);
|
---|
868 | }
|
---|
869 | }
|
---|
870 | return;
|
---|
871 | }
|
---|
872 | if(flag == ALL)
|
---|
873 | {
|
---|
874 | servp = 0;
|
---|
875 | hash_index = -1;
|
---|
876 | while( (servp = dis_hash_service_get_next(&hash_index, servp, 0)))
|
---|
877 | {
|
---|
878 | if(servp->dnsp == dnsp)
|
---|
879 | servp->registered = 0;
|
---|
880 | }
|
---|
881 | }
|
---|
882 | servp = 0;
|
---|
883 | hash_index = -1;
|
---|
884 | new_entries = 0;
|
---|
885 | if(flag == MORE)
|
---|
886 | new_entries = 1;
|
---|
887 | while( (servp = dis_hash_service_get_next(&hash_index, servp, new_entries)))
|
---|
888 | {
|
---|
889 | if( flag == MORE )
|
---|
890 | {
|
---|
891 | if( servp->registered )
|
---|
892 | {
|
---|
893 | continue;
|
---|
894 | }
|
---|
895 | }
|
---|
896 |
|
---|
897 | if(servp->dnsp != dnsp)
|
---|
898 | continue;
|
---|
899 |
|
---|
900 | if(Debug_on)
|
---|
901 | {
|
---|
902 | dim_print_date_time();
|
---|
903 | printf("Registering %s\n",
|
---|
904 | servp->name);
|
---|
905 | }
|
---|
906 | strcpy( serv_regp->service_name, servp->name );
|
---|
907 | strcpy( serv_regp->service_def, servp->def );
|
---|
908 | if(servp->type == COMMAND)
|
---|
909 | serv_regp->service_id = htovl( servp->id | 0x10000000);
|
---|
910 | else
|
---|
911 | serv_regp->service_id = htovl( servp->id );
|
---|
912 |
|
---|
913 | serv_regp++;
|
---|
914 | n_services++;
|
---|
915 | dis_hash_service_registered(hash_index, servp);
|
---|
916 | if( n_services == MAX_SERVICE_UNIT )
|
---|
917 | {
|
---|
918 | dis_dns_p->n_services = htovl(n_services);
|
---|
919 | dis_dns_p->size = (int)htovl(DIS_DNS_HEADER +
|
---|
920 | n_services * (int)sizeof(SERVICE_REG));
|
---|
921 | if(dnsp->dns_dis_conn_id > 0)
|
---|
922 | {
|
---|
923 | if(Debug_on)
|
---|
924 | {
|
---|
925 | dim_print_date_time();
|
---|
926 | printf("Sending MAX_SERVICE_UNIT to dns %d as %s@%s, %d services\n",
|
---|
927 | dnsp->dns_dis_conn_id,
|
---|
928 | (&(dnsp->dis_dns_packet))->task_name, (&(dnsp->dis_dns_packet))->node_name, n_services);
|
---|
929 | }
|
---|
930 | if( !dna_write(dnsp->dns_dis_conn_id,
|
---|
931 | &(dnsp->dis_dns_packet),
|
---|
932 | DIS_DNS_HEADER + n_services *
|
---|
933 | (int)sizeof(SERVICE_REG)) )
|
---|
934 | {
|
---|
935 | release_conn(dnsp->dns_dis_conn_id, 0, 1);
|
---|
936 | }
|
---|
937 | }
|
---|
938 | serv_regp = dis_dns_p->services;
|
---|
939 | tot_n_services += MAX_SERVICE_UNIT;
|
---|
940 | n_services = 0;
|
---|
941 | continue;
|
---|
942 | }
|
---|
943 | }
|
---|
944 | if( n_services )
|
---|
945 | {
|
---|
946 | dis_dns_p->n_services = htovl(n_services);
|
---|
947 | dis_dns_p->size = htovl(DIS_DNS_HEADER +
|
---|
948 | n_services * (int)sizeof(SERVICE_REG));
|
---|
949 | if(dnsp->dns_dis_conn_id > 0)
|
---|
950 | {
|
---|
951 | if(Debug_on)
|
---|
952 | {
|
---|
953 | dim_print_date_time();
|
---|
954 | printf("Sending to dns %d as %s@%s, %d services\n",
|
---|
955 | dnsp->dns_dis_conn_id,
|
---|
956 | (&(dnsp->dis_dns_packet))->task_name, (&(dnsp->dis_dns_packet))->node_name, n_services);
|
---|
957 | }
|
---|
958 | if( !dna_write(dnsp->dns_dis_conn_id, &(dnsp->dis_dns_packet),
|
---|
959 | DIS_DNS_HEADER + n_services * (int)sizeof(SERVICE_REG)))
|
---|
960 | {
|
---|
961 | release_conn(dnsp->dns_dis_conn_id, 0, 1);
|
---|
962 | }
|
---|
963 |
|
---|
964 | }
|
---|
965 | tot_n_services += n_services;
|
---|
966 | }
|
---|
967 | if(!dns_flag)
|
---|
968 | {
|
---|
969 | if(tot_n_services >= MAX_REGISTRATION_UNIT)
|
---|
970 | {
|
---|
971 | send_dns_update_packet(dnsp);
|
---|
972 | }
|
---|
973 | }
|
---|
974 | }
|
---|
975 |
|
---|
976 | void unregister_service(DIS_DNS_CONN *dnsp, SERVICE *servp)
|
---|
977 | {
|
---|
978 | register DIS_DNS_PACKET *dis_dns_p = &(dnsp->dis_dns_packet);
|
---|
979 | register int n_services;
|
---|
980 | register SERVICE_REG *serv_regp;
|
---|
981 | extern int get_node_addr();
|
---|
982 |
|
---|
983 | if(dnsp->dns_dis_conn_id > 0)
|
---|
984 | {
|
---|
985 | if(!dis_dns_p->src_type)
|
---|
986 | {
|
---|
987 | get_node_name( dis_dns_p->node_name );
|
---|
988 | /*
|
---|
989 | strcpy( dis_dns_p->task_name, Task_name );
|
---|
990 | */
|
---|
991 | strncpy( dis_dns_p->task_name, dnsp->task_name,
|
---|
992 | (size_t)(MAX_TASK_NAME-4) );
|
---|
993 | dis_dns_p->task_name[MAX_TASK_NAME-4-1] = '\0';
|
---|
994 | get_node_addr( dis_dns_p->node_addr );
|
---|
995 | dis_dns_p->port = htovl(Port_number);
|
---|
996 | dis_dns_p->protocol = htovl(Protocol);
|
---|
997 | dis_dns_p->src_type = htovl(SRC_DIS);
|
---|
998 | dis_dns_p->format = htovl(MY_FORMAT);
|
---|
999 | }
|
---|
1000 | serv_regp = dis_dns_p->services;
|
---|
1001 | strcpy( serv_regp->service_name, servp->name );
|
---|
1002 | strcpy( serv_regp->service_def, servp->def );
|
---|
1003 | serv_regp->service_id = (int)htovl( (unsigned)servp->id | 0x80000000);
|
---|
1004 | serv_regp++;
|
---|
1005 | n_services = 1;
|
---|
1006 | servp->registered = 0;
|
---|
1007 | dis_dns_p->n_services = htovl(n_services);
|
---|
1008 | dis_dns_p->size = htovl(DIS_DNS_HEADER +
|
---|
1009 | n_services * (int)sizeof(SERVICE_REG));
|
---|
1010 |
|
---|
1011 | if(Debug_on)
|
---|
1012 | {
|
---|
1013 | dim_print_date_time();
|
---|
1014 | printf("Sending UNREGISTER to dns %d as %s@%s, %d services\n",
|
---|
1015 | dnsp->dns_dis_conn_id,
|
---|
1016 | (&(dnsp->dis_dns_packet))->task_name, (&(dnsp->dis_dns_packet))->node_name, n_services);
|
---|
1017 | }
|
---|
1018 | if( !dna_write(dnsp->dns_dis_conn_id, &(dnsp->dis_dns_packet),
|
---|
1019 | DIS_DNS_HEADER + n_services * (int)sizeof(SERVICE_REG)) )
|
---|
1020 | {
|
---|
1021 | release_conn(dnsp->dns_dis_conn_id, 0, 1);
|
---|
1022 | }
|
---|
1023 | if(dnsp->dis_service_id)
|
---|
1024 | dis_update_service(dnsp->dis_service_id);
|
---|
1025 | }
|
---|
1026 | }
|
---|
1027 |
|
---|
1028 | void do_update_service_list(DIS_DNS_CONN *dnsp)
|
---|
1029 | {
|
---|
1030 | dnsp->updating_service_list = 0;
|
---|
1031 | if(dnsp->dis_service_id)
|
---|
1032 | dis_update_service(dnsp->dis_service_id);
|
---|
1033 | }
|
---|
1034 |
|
---|
1035 | /* start serving client requests
|
---|
1036 | *
|
---|
1037 | * Using the DNA package start accepting requests from clients.
|
---|
1038 | * When a request arrives the routine "dis_insert_request" will be executed.
|
---|
1039 | */
|
---|
1040 |
|
---|
1041 | int dis_start_serving(char *task)
|
---|
1042 | {
|
---|
1043 | return dis_start_serving_dns(0, task);
|
---|
1044 | }
|
---|
1045 |
|
---|
1046 | static DIS_DNS_CONN *create_dns(dim_long dnsid)
|
---|
1047 | {
|
---|
1048 | DIS_DNS_CONN *dnsp;
|
---|
1049 |
|
---|
1050 | dnsp = malloc(sizeof(DIS_DNS_CONN));
|
---|
1051 | dnsp->dns_timr_ent = (TIMR_ENT *)0;
|
---|
1052 | dnsp->dis_n_services = 0;
|
---|
1053 | dnsp->dns_dis_conn_id = 0;
|
---|
1054 | dnsp->dis_first_time = 1;
|
---|
1055 | dnsp->serving = 0;
|
---|
1056 | dnsp->dis_dns_packet.size = 0;
|
---|
1057 | dnsp->dis_dns_packet.src_type = 0;
|
---|
1058 | dnsp->dis_dns_packet.node_name[0] = 0;
|
---|
1059 | dnsp->updating_service_list = 0;
|
---|
1060 | dnsp->dnsid = dnsid;
|
---|
1061 | dll_insert_queue( (DLL *) DNS_head, (DLL *) dnsp );
|
---|
1062 | return dnsp;
|
---|
1063 | }
|
---|
1064 |
|
---|
1065 | void dis_dns_init()
|
---|
1066 | {
|
---|
1067 | static int done = 0;
|
---|
1068 | DIS_DNS_CONN *dnsp;
|
---|
1069 | void dim_init_threads(void);
|
---|
1070 |
|
---|
1071 | if(!done)
|
---|
1072 | {
|
---|
1073 | if(!Threads_off)
|
---|
1074 | {
|
---|
1075 | dim_init_threads();
|
---|
1076 | }
|
---|
1077 | {
|
---|
1078 | DISABLE_AST
|
---|
1079 | if(!DNS_head)
|
---|
1080 | {
|
---|
1081 | DNS_head = (DIS_DNS_CONN *)malloc(sizeof(DIS_DNS_CONN));
|
---|
1082 | dll_init( (DLL *) DNS_head );
|
---|
1083 | }
|
---|
1084 | dnsp = create_dns(0);
|
---|
1085 | Default_DNS = dnsp;
|
---|
1086 | done = 1;
|
---|
1087 | ENABLE_AST
|
---|
1088 | }
|
---|
1089 | }
|
---|
1090 | }
|
---|
1091 |
|
---|
1092 | int dis_start_serving_dns(dim_long dnsid, char *task/*, int *idlist*/)
|
---|
1093 | {
|
---|
1094 | char str0[MAX_NAME], str1[MAX_NAME],str2[MAX_NAME],
|
---|
1095 | str3[MAX_NAME],str4[MAX_NAME];
|
---|
1096 | char task_name_aux[MAX_TASK_NAME];
|
---|
1097 | extern int open_dns();
|
---|
1098 | extern DIS_DNS_CONN *dis_find_dns(dim_long);
|
---|
1099 | DIS_DNS_CONN *dnsp;
|
---|
1100 | unsigned int more_ids[10] = {0};
|
---|
1101 |
|
---|
1102 | dis_init();
|
---|
1103 | {
|
---|
1104 | DISABLE_AST
|
---|
1105 | if(Serving == -1)
|
---|
1106 | {
|
---|
1107 | ENABLE_AST
|
---|
1108 | return(0);
|
---|
1109 | }
|
---|
1110 | /*
|
---|
1111 | #ifdef VxWorks
|
---|
1112 | taskDeleteHookAdd(remove_all_services);
|
---|
1113 | printf("Adding delete hook\n");
|
---|
1114 | #endif
|
---|
1115 | */
|
---|
1116 |
|
---|
1117 | if(!Client_head)
|
---|
1118 | {
|
---|
1119 | Client_head = (CLIENT *)malloc(sizeof(CLIENT));
|
---|
1120 | dll_init( (DLL *) Client_head );
|
---|
1121 | }
|
---|
1122 | if(dnsid == 0)
|
---|
1123 | {
|
---|
1124 | dnsp = Default_DNS;
|
---|
1125 | }
|
---|
1126 | else if(!(dnsp = dis_find_dns(dnsid)))
|
---|
1127 | {
|
---|
1128 | dnsp = create_dns(dnsid);
|
---|
1129 | }
|
---|
1130 | dnsp->serving = 1;
|
---|
1131 | Serving = 1;
|
---|
1132 | if(Dis_first_time)
|
---|
1133 | {
|
---|
1134 | strncpy( task_name_aux, task, (size_t)MAX_TASK_NAME );
|
---|
1135 | task_name_aux[MAX_TASK_NAME-1] = '\0';
|
---|
1136 | Port_number = SEEK_PORT;
|
---|
1137 | if(Debug_on)
|
---|
1138 | {
|
---|
1139 | dim_print_date_time();
|
---|
1140 | printf("Opening Server Connection %s\n",task_name_aux);
|
---|
1141 | }
|
---|
1142 | if( !(Dis_conn_id = dna_open_server( task_name_aux, dis_insert_request,
|
---|
1143 | &Protocol, &Port_number, error_handler) ))
|
---|
1144 | {
|
---|
1145 | ENABLE_AST
|
---|
1146 | return(0);
|
---|
1147 | }
|
---|
1148 | Dis_first_time = 0;
|
---|
1149 | }
|
---|
1150 | if(dnsp->dis_first_time)
|
---|
1151 | {
|
---|
1152 | dnsp->dis_first_time = 0;
|
---|
1153 |
|
---|
1154 | sprintf(str0, "%s/VERSION_NUMBER", task);
|
---|
1155 | sprintf(str1, "%s/CLIENT_LIST", task);
|
---|
1156 | sprintf(str2, "%s/SERVICE_LIST", task);
|
---|
1157 | sprintf(str3, "%s/SET_EXIT_HANDLER", task);
|
---|
1158 | sprintf(str4, "%s/EXIT", task);
|
---|
1159 |
|
---|
1160 | more_ids[0] = do_dis_add_service_dns( str0, "L", &Version_number,
|
---|
1161 | sizeof(Version_number), 0, 0, dnsid );
|
---|
1162 |
|
---|
1163 | more_ids[1] = do_dis_add_service_dns( str1, "C", 0, 0, client_info, (dim_long)dnsp, dnsid );
|
---|
1164 | dnsp->dis_client_id = more_ids[1];
|
---|
1165 | more_ids[2] = do_dis_add_service_dns( str2, "C", 0, 0, service_info, (dim_long)dnsp, dnsid );
|
---|
1166 | dnsp->dis_service_id = more_ids[2];
|
---|
1167 | more_ids[3] = do_dis_add_cmnd_dns( str3, "L:1", add_exit_handler, 0, dnsid );
|
---|
1168 | more_ids[4] = do_dis_add_cmnd_dns( str4, "L:1", exit_handler, 0, dnsid );
|
---|
1169 | more_ids[5] = 0;
|
---|
1170 | strcpy( dnsp->task_name, task );
|
---|
1171 | if(Debug_on)
|
---|
1172 | {
|
---|
1173 | dim_print_date_time();
|
---|
1174 | printf("start serving %s\n",task);
|
---|
1175 | }
|
---|
1176 | }
|
---|
1177 | /*
|
---|
1178 | if(idlist)
|
---|
1179 | {
|
---|
1180 | for(i = 0; idlist[i]; i++)
|
---|
1181 | {
|
---|
1182 | servp = (SERVICE *)id_get_ptr(idlist[i], SRC_DIS);
|
---|
1183 | if(servp)
|
---|
1184 | {
|
---|
1185 | servp->dnsp = dnsp;
|
---|
1186 | n_services++;
|
---|
1187 | }
|
---|
1188 | }
|
---|
1189 | }
|
---|
1190 | if(dnsp != Default_DNS)
|
---|
1191 | {
|
---|
1192 | for(i = 0; more_ids[i]; i++)
|
---|
1193 | {
|
---|
1194 | servp = (SERVICE *)id_get_ptr(more_ids[i], SRC_DIS);
|
---|
1195 | if(servp)
|
---|
1196 | {
|
---|
1197 | servp->dnsp = dnsp;
|
---|
1198 | n_services++;
|
---|
1199 | }
|
---|
1200 | }
|
---|
1201 | dnsp->dis_n_services += n_services;
|
---|
1202 | Dis_n_services -= n_services;
|
---|
1203 | }
|
---|
1204 | */
|
---|
1205 | if(!Dis_timer_q)
|
---|
1206 | Dis_timer_q = dtq_create();
|
---|
1207 | if( !dnsp->dns_dis_conn_id )
|
---|
1208 | {
|
---|
1209 | if(!strcmp(task,"DIS_DNS"))
|
---|
1210 | {
|
---|
1211 | register_services(dnsp, ALL, 1);
|
---|
1212 | ENABLE_AST
|
---|
1213 | return(id_get(&(dnsp->dis_dns_packet), SRC_DIS));
|
---|
1214 | }
|
---|
1215 | else
|
---|
1216 | {
|
---|
1217 |
|
---|
1218 | dnsp->dns_dis_conn_id = open_dns(dnsid, recv_dns_dis_rout, error_handler,
|
---|
1219 | DIS_DNS_TMOUT_MIN, DIS_DNS_TMOUT_MAX, SRC_DIS );
|
---|
1220 | if(dnsp->dns_dis_conn_id == -2)
|
---|
1221 | error_handler(0, DIM_FATAL, DIMDNSUNDEF, "DIM_DNS_NODE undefined", -1);
|
---|
1222 | }
|
---|
1223 | }
|
---|
1224 | else
|
---|
1225 | {
|
---|
1226 | register_services(dnsp, MORE, 0);
|
---|
1227 | if(dnsp->dis_service_id)
|
---|
1228 | {
|
---|
1229 | /*
|
---|
1230 | dis_update_service(Dis_service_id);
|
---|
1231 | */
|
---|
1232 | if(!dnsp->updating_service_list)
|
---|
1233 | {
|
---|
1234 | dtq_start_timer(1, do_update_service_list, dnsp);
|
---|
1235 | dnsp->updating_service_list = 1;
|
---|
1236 | }
|
---|
1237 | }
|
---|
1238 | }
|
---|
1239 | ENABLE_AST
|
---|
1240 | }
|
---|
1241 | return(1);
|
---|
1242 | }
|
---|
1243 |
|
---|
1244 |
|
---|
1245 | /* asynchrounous reception of requests */
|
---|
1246 | /*
|
---|
1247 | Called by DNA package.
|
---|
1248 | A request has arrived, queue it to process later - dis_ins_request
|
---|
1249 | */
|
---|
1250 | static void dis_insert_request(int conn_id, DIC_PACKET *dic_packet, int size, int status)
|
---|
1251 | {
|
---|
1252 | register SERVICE *servp;
|
---|
1253 | register REQUEST *newp, *reqp;
|
---|
1254 | CLIENT *clip, *create_client();
|
---|
1255 | REQUEST_PTR *reqpp;
|
---|
1256 | int type, new_client = 0, found = 0;
|
---|
1257 | int find_release_request();
|
---|
1258 | DIS_DNS_CONN *dnsp;
|
---|
1259 |
|
---|
1260 | if(size){}
|
---|
1261 | /* status = 1 => new connection, status = -1 => conn. lost */
|
---|
1262 | if(!Client_head)
|
---|
1263 | {
|
---|
1264 | Client_head = (CLIENT *)malloc(sizeof(CLIENT));
|
---|
1265 | dll_init( (DLL *) Client_head );
|
---|
1266 | }
|
---|
1267 | if(status != 0)
|
---|
1268 | {
|
---|
1269 | if(status == -1) /* release all requests from conn_id */
|
---|
1270 | {
|
---|
1271 | if(Debug_on)
|
---|
1272 | {
|
---|
1273 | dim_print_date_time();
|
---|
1274 | printf("Received Disconnection %d, from %s@%s\n",
|
---|
1275 | conn_id,
|
---|
1276 | Net_conns[conn_id].task, Net_conns[conn_id].node);
|
---|
1277 | }
|
---|
1278 | release_conn(conn_id, 0, 0);
|
---|
1279 | }
|
---|
1280 | else
|
---|
1281 | {
|
---|
1282 | if(Debug_on)
|
---|
1283 | {
|
---|
1284 | dim_print_date_time();
|
---|
1285 | printf("Received Connection %d, from %s@%s\n",
|
---|
1286 | conn_id,
|
---|
1287 | Net_conns[conn_id].task, Net_conns[conn_id].node);
|
---|
1288 | }
|
---|
1289 | }
|
---|
1290 | }
|
---|
1291 | else
|
---|
1292 | {
|
---|
1293 | if(Debug_on)
|
---|
1294 | {
|
---|
1295 | dim_print_date_time();
|
---|
1296 | printf("Received Request for %s, from %d %s@%s\n",
|
---|
1297 | dic_packet->service_name, conn_id,
|
---|
1298 | Net_conns[conn_id].task, Net_conns[conn_id].node);
|
---|
1299 | }
|
---|
1300 | dic_packet->type = vtohl(dic_packet->type);
|
---|
1301 | type = dic_packet->type & 0xFFF;
|
---|
1302 | /*
|
---|
1303 | if(type == COMMAND)
|
---|
1304 | {
|
---|
1305 | Curr_conn_id = conn_id;
|
---|
1306 | execute_command(servp, dic_packet);
|
---|
1307 | Curr_conn_id = 0;
|
---|
1308 | return;
|
---|
1309 | }
|
---|
1310 | */
|
---|
1311 | if(type == DIM_DELETE)
|
---|
1312 | {
|
---|
1313 | find_release_request(conn_id, vtohl(dic_packet->service_id));
|
---|
1314 | return;
|
---|
1315 | }
|
---|
1316 | if(!(servp = find_service(dic_packet->service_name)))
|
---|
1317 | {
|
---|
1318 | release_conn(conn_id, 0, 0);
|
---|
1319 | return;
|
---|
1320 | }
|
---|
1321 | newp = (REQUEST *)/*my_*/malloc(sizeof(REQUEST));
|
---|
1322 | newp->service_ptr = servp;
|
---|
1323 | newp->service_id = vtohl(dic_packet->service_id);
|
---|
1324 | newp->type = dic_packet->type;
|
---|
1325 | newp->timeout = vtohl(dic_packet->timeout);
|
---|
1326 | newp->format = vtohl(dic_packet->format);
|
---|
1327 | newp->conn_id = conn_id;
|
---|
1328 | newp->first_time = 1;
|
---|
1329 | newp->delay_delete = 0;
|
---|
1330 | newp->to_delete = 0;
|
---|
1331 | newp->timr_ent = 0;
|
---|
1332 | newp->req_id = id_get((void *)newp, SRC_DIS);
|
---|
1333 | newp->reqpp = 0;
|
---|
1334 | if(type == ONCE_ONLY)
|
---|
1335 | {
|
---|
1336 | execute_service(newp->req_id);
|
---|
1337 | id_free(newp->req_id, SRC_DIS);
|
---|
1338 | free(newp);
|
---|
1339 | clip = create_client(conn_id, servp, &new_client);
|
---|
1340 | return;
|
---|
1341 | }
|
---|
1342 | if(type == COMMAND)
|
---|
1343 | {
|
---|
1344 | Curr_conn_id = conn_id;
|
---|
1345 | execute_command(servp, dic_packet);
|
---|
1346 | Curr_conn_id = 0;
|
---|
1347 | reqp = servp->request_head;
|
---|
1348 | while( (reqp = (REQUEST *) dll_get_next((DLL *)servp->request_head,
|
---|
1349 | (DLL *) reqp)) )
|
---|
1350 | {
|
---|
1351 | if(reqp->conn_id == conn_id)
|
---|
1352 | {
|
---|
1353 | id_free(newp->req_id, SRC_DIS);
|
---|
1354 | free(newp);
|
---|
1355 | found = 1;
|
---|
1356 | break;
|
---|
1357 | }
|
---|
1358 | }
|
---|
1359 | if(!found)
|
---|
1360 | dll_insert_queue( (DLL *) servp->request_head, (DLL *) newp );
|
---|
1361 | clip = create_client(conn_id, servp, &new_client);
|
---|
1362 | return;
|
---|
1363 | }
|
---|
1364 | dll_insert_queue( (DLL *) servp->request_head, (DLL *) newp );
|
---|
1365 | clip = create_client(conn_id, servp, &new_client);
|
---|
1366 | reqpp = (REQUEST_PTR *)malloc(sizeof(REQUEST_PTR));
|
---|
1367 | reqpp->reqp = newp;
|
---|
1368 | dll_insert_queue( (DLL *) clip->requestp_head, (DLL *) reqpp );
|
---|
1369 | newp->reqpp = reqpp;
|
---|
1370 | if((type != MONIT_ONLY) && (type != UPDATE))
|
---|
1371 | {
|
---|
1372 | execute_service(newp->req_id);
|
---|
1373 | }
|
---|
1374 | if((type != MONIT_ONLY) && (type != MONIT_FIRST))
|
---|
1375 | {
|
---|
1376 | if(newp->timeout != 0)
|
---|
1377 | {
|
---|
1378 | newp->timr_ent = dtq_add_entry( Dis_timer_q,
|
---|
1379 | newp->timeout,
|
---|
1380 | execute_service,
|
---|
1381 | newp->req_id );
|
---|
1382 | }
|
---|
1383 | }
|
---|
1384 | if(new_client)
|
---|
1385 | {
|
---|
1386 | Last_client = conn_id;
|
---|
1387 | dnsp = clip->dnsp;
|
---|
1388 | if(dnsp->dis_client_id)
|
---|
1389 | dis_update_service(dnsp->dis_client_id);
|
---|
1390 | }
|
---|
1391 | }
|
---|
1392 | }
|
---|
1393 |
|
---|
1394 | /* A timeout for a timed or monitored service occured, serve it. */
|
---|
1395 |
|
---|
1396 | int execute_service( int req_id )
|
---|
1397 | {
|
---|
1398 | int *buffp, size;
|
---|
1399 | register REQUEST *reqp;
|
---|
1400 | register SERVICE *servp;
|
---|
1401 | char str[80], def[MAX_NAME];
|
---|
1402 | int conn_id, last_conn_id;
|
---|
1403 | int *pkt_buffer, header_size, aux;
|
---|
1404 | #ifdef WIN32
|
---|
1405 | struct timeb timebuf;
|
---|
1406 | #else
|
---|
1407 | struct timeval tv;
|
---|
1408 | struct timezone *tz;
|
---|
1409 | #endif
|
---|
1410 | FORMAT_STR format_data_cp[MAX_NAME/4];
|
---|
1411 |
|
---|
1412 | reqp = (REQUEST *)id_get_ptr(req_id, SRC_DIS);
|
---|
1413 | if(!reqp)
|
---|
1414 | return(0);
|
---|
1415 | if(reqp->to_delete)
|
---|
1416 | return(0);
|
---|
1417 | reqp->delay_delete++;
|
---|
1418 | servp = reqp->service_ptr;
|
---|
1419 | conn_id = reqp->conn_id;
|
---|
1420 |
|
---|
1421 | if(Debug_on)
|
---|
1422 | {
|
---|
1423 | dim_print_date_time();
|
---|
1424 | printf("Updating %s for %s@%s (req_id = %d)\n",
|
---|
1425 | servp->name,
|
---|
1426 | Net_conns[conn_id].task, Net_conns[conn_id].node,
|
---|
1427 | reqp->req_id);
|
---|
1428 | }
|
---|
1429 |
|
---|
1430 | last_conn_id = Curr_conn_id;
|
---|
1431 | Curr_conn_id = conn_id;
|
---|
1432 | if(servp->type == COMMAND)
|
---|
1433 | {
|
---|
1434 | sprintf(str,"This is a COMMAND Service");
|
---|
1435 | buffp = (int *)str;
|
---|
1436 | size = 26;
|
---|
1437 | sprintf(def,"c:26");
|
---|
1438 | }
|
---|
1439 | else if( servp->user_routine != 0 )
|
---|
1440 | {
|
---|
1441 | if(reqp->first_time)
|
---|
1442 | {
|
---|
1443 | Last_n_clients = dis_get_n_clients(servp->id);
|
---|
1444 | }
|
---|
1445 | (servp->user_routine)( &servp->tag, &buffp, &size,
|
---|
1446 | &reqp->first_time );
|
---|
1447 | reqp->first_time = 0;
|
---|
1448 |
|
---|
1449 | }
|
---|
1450 | else
|
---|
1451 | {
|
---|
1452 | buffp = servp->address;
|
---|
1453 | size = servp->size;
|
---|
1454 | }
|
---|
1455 | Curr_conn_id = last_conn_id;
|
---|
1456 | /* send even if no data but not if negative */
|
---|
1457 | if( size < 0)
|
---|
1458 | {
|
---|
1459 | reqp->delay_delete--;
|
---|
1460 | return(0);
|
---|
1461 | }
|
---|
1462 | if( DIS_STAMPED_HEADER + size > Dis_packet_size )
|
---|
1463 | {
|
---|
1464 | if( Dis_packet_size )
|
---|
1465 | free( Dis_packet );
|
---|
1466 | Dis_packet = (DIS_STAMPED_PACKET *)malloc((size_t)(DIS_STAMPED_HEADER + size));
|
---|
1467 | if(!Dis_packet)
|
---|
1468 | {
|
---|
1469 | reqp->delay_delete--;
|
---|
1470 | return(0);
|
---|
1471 | }
|
---|
1472 | Dis_packet_size = DIS_STAMPED_HEADER + size;
|
---|
1473 | }
|
---|
1474 | Dis_packet->service_id = htovl(reqp->service_id);
|
---|
1475 | if((reqp->type & 0xFF000) == STAMPED)
|
---|
1476 | {
|
---|
1477 | pkt_buffer = ((DIS_STAMPED_PACKET *)Dis_packet)->buffer;
|
---|
1478 | header_size = DIS_STAMPED_HEADER;
|
---|
1479 | if(!servp->user_secs)
|
---|
1480 | {
|
---|
1481 | #ifdef WIN32
|
---|
1482 | ftime(&timebuf);
|
---|
1483 | aux = timebuf.millitm;
|
---|
1484 | Dis_packet->time_stamp[0] = htovl(aux);
|
---|
1485 | Dis_packet->time_stamp[1] = htovl((int)timebuf.time);
|
---|
1486 | #else
|
---|
1487 | tz = 0;
|
---|
1488 | gettimeofday(&tv, tz);
|
---|
1489 | aux = (int)tv.tv_usec / 1000;
|
---|
1490 | Dis_packet->time_stamp[0] = htovl(aux);
|
---|
1491 | Dis_packet->time_stamp[1] = htovl((int)tv.tv_sec);
|
---|
1492 | #endif
|
---|
1493 | }
|
---|
1494 | else
|
---|
1495 | {
|
---|
1496 | aux = /*0xc0de0000 |*/ servp->user_millisecs;
|
---|
1497 | Dis_packet->time_stamp[0] = htovl(aux);
|
---|
1498 | Dis_packet->time_stamp[1] = htovl(servp->user_secs);
|
---|
1499 | }
|
---|
1500 | Dis_packet->reserved[0] = (int)htovl(0xc0dec0de);
|
---|
1501 | Dis_packet->quality = htovl(servp->quality);
|
---|
1502 | }
|
---|
1503 | else
|
---|
1504 | {
|
---|
1505 | pkt_buffer = ((DIS_PACKET *)Dis_packet)->buffer;
|
---|
1506 | header_size = DIS_HEADER;
|
---|
1507 | }
|
---|
1508 | memcpy(format_data_cp, servp->format_data, sizeof(format_data_cp));
|
---|
1509 | size = copy_swap_buffer_out(reqp->format, format_data_cp,
|
---|
1510 | pkt_buffer,
|
---|
1511 | buffp, size);
|
---|
1512 | Dis_packet->size = htovl(header_size + size);
|
---|
1513 | if( !dna_write_nowait(conn_id, Dis_packet, header_size + size) )
|
---|
1514 | {
|
---|
1515 | if(Net_conns[conn_id].write_timedout)
|
---|
1516 | {
|
---|
1517 | dim_print_date_time();
|
---|
1518 | if(reqp->delay_delete > 1)
|
---|
1519 | {
|
---|
1520 | printf(" Server (Explicitly) Updating Service %s: Couldn't write to Conn %3d : Client %s@%s\n",
|
---|
1521 | servp->name, conn_id,
|
---|
1522 | Net_conns[conn_id].task, Net_conns[conn_id].node);
|
---|
1523 | }
|
---|
1524 | else
|
---|
1525 | {
|
---|
1526 | printf(" Server Updating Service %s: Couldn't write to Conn %3d : Client %s@%s\n",
|
---|
1527 | servp->name, conn_id,
|
---|
1528 | Net_conns[conn_id].task, Net_conns[conn_id].node);
|
---|
1529 | }
|
---|
1530 | fflush(stdout);
|
---|
1531 | }
|
---|
1532 | if(reqp->delay_delete > 1)
|
---|
1533 | {
|
---|
1534 | reqp->to_delete = 1;
|
---|
1535 | }
|
---|
1536 | else
|
---|
1537 | {
|
---|
1538 | reqp->delay_delete = 0;
|
---|
1539 | release_conn(conn_id, 1, 0);
|
---|
1540 | }
|
---|
1541 | }
|
---|
1542 | /*
|
---|
1543 | else
|
---|
1544 | {
|
---|
1545 | if((reqp->type & 0xFFF) == MONITORED)
|
---|
1546 | {
|
---|
1547 | if(reqp->timr_ent)
|
---|
1548 | dtq_clear_entry(reqp->timr_ent);
|
---|
1549 | }
|
---|
1550 | }
|
---|
1551 | */
|
---|
1552 | if(reqp->delay_delete > 0)
|
---|
1553 | reqp->delay_delete--;
|
---|
1554 | return(1);
|
---|
1555 | }
|
---|
1556 |
|
---|
1557 | void remove_service( int req_id )
|
---|
1558 | {
|
---|
1559 | register REQUEST *reqp;
|
---|
1560 | static DIS_PACKET *dis_packet;
|
---|
1561 | static int packet_size = 0;
|
---|
1562 | int service_id;
|
---|
1563 |
|
---|
1564 | reqp = (REQUEST *)id_get_ptr(req_id, SRC_DIS);
|
---|
1565 | if(!reqp)
|
---|
1566 | return;
|
---|
1567 | if( !packet_size ) {
|
---|
1568 | dis_packet = (DIS_PACKET *)malloc((size_t)DIS_HEADER);
|
---|
1569 | packet_size = DIS_HEADER;
|
---|
1570 | }
|
---|
1571 | service_id = (int)((unsigned)reqp->service_id | 0x80000000);
|
---|
1572 | dis_packet->service_id = htovl(service_id);
|
---|
1573 | dis_packet->size = htovl(DIS_HEADER);
|
---|
1574 | /*
|
---|
1575 | if( !dna_write_nowait(reqp->conn_id, dis_packet, DIS_HEADER) )
|
---|
1576 | Has to be dna_write otherwise the client gets the message much before the DNS
|
---|
1577 | */
|
---|
1578 | if( !dna_write(reqp->conn_id, dis_packet, DIS_HEADER) )
|
---|
1579 | {
|
---|
1580 | dim_print_date_time();
|
---|
1581 | printf(" Server Removing Service: Couldn't write to Conn %3d : Client %s@%s\n",
|
---|
1582 | reqp->conn_id, Net_conns[reqp->conn_id].task, Net_conns[reqp->conn_id].node);
|
---|
1583 | fflush(stdout);
|
---|
1584 | release_conn(reqp->conn_id, 0, 0);
|
---|
1585 | }
|
---|
1586 | }
|
---|
1587 |
|
---|
1588 | void execute_command(SERVICE *servp, DIC_PACKET *packet)
|
---|
1589 | {
|
---|
1590 | int size;
|
---|
1591 | int format;
|
---|
1592 | FORMAT_STR format_data_cp[MAX_NAME/4], *formatp;
|
---|
1593 | static int *buffer;
|
---|
1594 | static int buffer_size = 0;
|
---|
1595 | int add_size;
|
---|
1596 |
|
---|
1597 | size = vtohl(packet->size) - DIC_HEADER;
|
---|
1598 | add_size = size + (size/2);
|
---|
1599 | if(!buffer_size)
|
---|
1600 | {
|
---|
1601 | buffer = (int *)malloc((size_t)add_size);
|
---|
1602 | buffer_size = add_size;
|
---|
1603 | }
|
---|
1604 | else
|
---|
1605 | {
|
---|
1606 | if( add_size > buffer_size )
|
---|
1607 | {
|
---|
1608 | free(buffer);
|
---|
1609 | buffer = (int *)malloc((size_t)add_size);
|
---|
1610 | buffer_size = add_size;
|
---|
1611 | }
|
---|
1612 | }
|
---|
1613 |
|
---|
1614 | dis_set_timestamp(servp->id, 0, 0);
|
---|
1615 | if(servp->user_routine != 0)
|
---|
1616 | {
|
---|
1617 | format = vtohl(packet->format);
|
---|
1618 | memcpy(format_data_cp, servp->format_data, sizeof(format_data_cp));
|
---|
1619 | if((format & 0xF) == ((MY_FORMAT) & 0xF))
|
---|
1620 | {
|
---|
1621 | for(formatp = format_data_cp; formatp->par_bytes; formatp++)
|
---|
1622 | {
|
---|
1623 | if(formatp->flags & IT_IS_FLOAT)
|
---|
1624 | formatp->flags |= ((short)format & (short)0xf0);
|
---|
1625 | formatp->flags &= (short)0xFFF0; /* NOSWAP */
|
---|
1626 | }
|
---|
1627 | }
|
---|
1628 | else
|
---|
1629 | {
|
---|
1630 | for(formatp = format_data_cp; formatp->par_bytes; formatp++)
|
---|
1631 | {
|
---|
1632 | if(formatp->flags & IT_IS_FLOAT)
|
---|
1633 | formatp->flags |= ((short)format & (short)0xf0);
|
---|
1634 | }
|
---|
1635 | }
|
---|
1636 | size = copy_swap_buffer_in(format_data_cp,
|
---|
1637 | buffer,
|
---|
1638 | packet->buffer, size);
|
---|
1639 | (servp->user_routine)(&servp->tag, buffer, &size);
|
---|
1640 | }
|
---|
1641 | }
|
---|
1642 |
|
---|
1643 | void dis_report_service(char *serv_name)
|
---|
1644 | {
|
---|
1645 | register SERVICE *servp;
|
---|
1646 | register REQUEST *reqp;
|
---|
1647 | int to_delete = 0, more;
|
---|
1648 |
|
---|
1649 |
|
---|
1650 | DISABLE_AST
|
---|
1651 | servp = find_service(serv_name);
|
---|
1652 | reqp = servp->request_head;
|
---|
1653 | while( (reqp = (REQUEST *) dll_get_next((DLL *)servp->request_head,
|
---|
1654 | (DLL *) reqp)) )
|
---|
1655 | {
|
---|
1656 | if((reqp->type & 0xFFF) != TIMED_ONLY)
|
---|
1657 | {
|
---|
1658 | execute_service(reqp->req_id);
|
---|
1659 | if(reqp->to_delete)
|
---|
1660 | to_delete = 1;
|
---|
1661 | }
|
---|
1662 | }
|
---|
1663 | if(to_delete)
|
---|
1664 | {
|
---|
1665 | do
|
---|
1666 | {
|
---|
1667 | more = 0;
|
---|
1668 | reqp = servp->request_head;
|
---|
1669 | while( (reqp = (REQUEST *) dll_get_next((DLL *)servp->request_head,
|
---|
1670 | (DLL *) reqp)) )
|
---|
1671 | {
|
---|
1672 | if(reqp->to_delete)
|
---|
1673 | {
|
---|
1674 | more = 1;
|
---|
1675 | release_conn(reqp->conn_id, 1, 0);
|
---|
1676 | break;
|
---|
1677 | }
|
---|
1678 | }
|
---|
1679 | }while(more);
|
---|
1680 | }
|
---|
1681 | ENABLE_AST
|
---|
1682 | }
|
---|
1683 |
|
---|
1684 | int dis_update_service(unsigned service_id)
|
---|
1685 | {
|
---|
1686 | int do_update_service();
|
---|
1687 |
|
---|
1688 | return(do_update_service(service_id,0));
|
---|
1689 | }
|
---|
1690 |
|
---|
1691 | int dis_selective_update_service(unsigned service_id, int *client_ids)
|
---|
1692 | {
|
---|
1693 | int do_update_service();
|
---|
1694 |
|
---|
1695 | return(do_update_service(service_id, client_ids));
|
---|
1696 | }
|
---|
1697 |
|
---|
1698 | int check_client(REQUEST *reqp, int *client_ids)
|
---|
1699 | {
|
---|
1700 | if(!client_ids)
|
---|
1701 | return(1);
|
---|
1702 | while(*client_ids)
|
---|
1703 | {
|
---|
1704 | if(reqp->conn_id == *client_ids)
|
---|
1705 | {
|
---|
1706 | return(1);
|
---|
1707 | }
|
---|
1708 | client_ids++;
|
---|
1709 | }
|
---|
1710 | return(0);
|
---|
1711 | }
|
---|
1712 |
|
---|
1713 | int do_update_service(unsigned service_id, int *client_ids)
|
---|
1714 | {
|
---|
1715 | register REQUEST *reqp;
|
---|
1716 | register SERVICE *servp;
|
---|
1717 | REQUEST_PTR *reqpp;
|
---|
1718 | CLIENT *clip;
|
---|
1719 | register int found = 0;
|
---|
1720 | int to_delete = 0, more, conn_id;
|
---|
1721 | char str[128];
|
---|
1722 | int release_request();
|
---|
1723 | int n_clients = 0;
|
---|
1724 |
|
---|
1725 | DISABLE_AST
|
---|
1726 | if(Serving == -1)
|
---|
1727 | {
|
---|
1728 | ENABLE_AST
|
---|
1729 | return(found);
|
---|
1730 | }
|
---|
1731 | if(!service_id)
|
---|
1732 | {
|
---|
1733 | sprintf(str, "Update Service - Invalid service id");
|
---|
1734 | error_handler(0, DIM_ERROR, DIMSVCINVAL, str, -1);
|
---|
1735 | ENABLE_AST
|
---|
1736 | return(found);
|
---|
1737 | }
|
---|
1738 | servp = (SERVICE *)id_get_ptr(service_id, SRC_DIS);
|
---|
1739 | if(!servp)
|
---|
1740 | {
|
---|
1741 | ENABLE_AST
|
---|
1742 | return(found);
|
---|
1743 | }
|
---|
1744 | if(servp->id != (int)service_id)
|
---|
1745 | {
|
---|
1746 | ENABLE_AST
|
---|
1747 | return(found);
|
---|
1748 | }
|
---|
1749 | servp->delay_delete = 1;
|
---|
1750 | reqp = servp->request_head;
|
---|
1751 | while( (reqp = (REQUEST *) dll_get_next((DLL *)servp->request_head,
|
---|
1752 | (DLL *) reqp)) )
|
---|
1753 | {
|
---|
1754 | /*
|
---|
1755 | if(Debug_on)
|
---|
1756 | {
|
---|
1757 | dim_print_date_time();
|
---|
1758 | printf("Updating %s (id = %d, ptr = %08lX) for %s@%s (req_id = %d, req_ptr = %08lX)\n",
|
---|
1759 | servp->name, (int)service_id, (unsigned dim_long)servp,
|
---|
1760 | Net_conns[reqp->conn_id].task, Net_conns[reqp->conn_id].node, reqp->req_id, (unsigned dim_long)reqp);
|
---|
1761 | }
|
---|
1762 | */
|
---|
1763 | if(check_client(reqp, client_ids))
|
---|
1764 | {
|
---|
1765 | reqp->delay_delete = 1;
|
---|
1766 | n_clients++;
|
---|
1767 | }
|
---|
1768 | }
|
---|
1769 | ENABLE_AST
|
---|
1770 | {
|
---|
1771 | DISABLE_AST
|
---|
1772 | Last_n_clients = n_clients;
|
---|
1773 | reqp = servp->request_head;
|
---|
1774 | while( (reqp = (REQUEST *) dll_get_next((DLL *)servp->request_head,
|
---|
1775 | (DLL *) reqp)) )
|
---|
1776 | {
|
---|
1777 | if(reqp->delay_delete && ((reqp->type & 0xFFF) != COMMAND))
|
---|
1778 | {
|
---|
1779 | if(check_client(reqp, client_ids))
|
---|
1780 | {
|
---|
1781 | if( (reqp->type & 0xFFF) != TIMED_ONLY )
|
---|
1782 | {
|
---|
1783 | /*
|
---|
1784 | DISABLE_AST
|
---|
1785 | */
|
---|
1786 | execute_service(reqp->req_id);
|
---|
1787 | found++;
|
---|
1788 | ENABLE_AST
|
---|
1789 | {
|
---|
1790 | DISABLE_AST
|
---|
1791 | }
|
---|
1792 | }
|
---|
1793 | }
|
---|
1794 | }
|
---|
1795 | }
|
---|
1796 | ENABLE_AST
|
---|
1797 | }
|
---|
1798 | {
|
---|
1799 | DISABLE_AST
|
---|
1800 | reqp = servp->request_head;
|
---|
1801 | while( (reqp = (REQUEST *) dll_get_next((DLL *)servp->request_head,
|
---|
1802 | (DLL *) reqp)) )
|
---|
1803 | {
|
---|
1804 | if(check_client(reqp, client_ids))
|
---|
1805 | {
|
---|
1806 | reqp->delay_delete = 0;
|
---|
1807 | if(reqp->to_delete)
|
---|
1808 | to_delete = 1;
|
---|
1809 | }
|
---|
1810 | }
|
---|
1811 | ENABLE_AST
|
---|
1812 | }
|
---|
1813 | if(to_delete)
|
---|
1814 | {
|
---|
1815 | DISABLE_AST
|
---|
1816 | do
|
---|
1817 | {
|
---|
1818 | more = 0;
|
---|
1819 | reqp = servp->request_head;
|
---|
1820 | while( (reqp = (REQUEST *) dll_get_next((DLL *)servp->request_head,
|
---|
1821 | (DLL *) reqp)) )
|
---|
1822 | {
|
---|
1823 | if(reqp->to_delete & 0x1)
|
---|
1824 | {
|
---|
1825 | more = 1;
|
---|
1826 | reqp->to_delete = 0;
|
---|
1827 | release_conn(reqp->conn_id, 1, 0);
|
---|
1828 | break;
|
---|
1829 | }
|
---|
1830 | else if(reqp->to_delete & 0x2)
|
---|
1831 | {
|
---|
1832 | more = 1;
|
---|
1833 | reqp->to_delete = 0;
|
---|
1834 | reqpp = reqp->reqpp;
|
---|
1835 | conn_id = reqp->conn_id;
|
---|
1836 | release_request(reqp, reqpp, 1);
|
---|
1837 | clip = find_client(conn_id);
|
---|
1838 | if(clip)
|
---|
1839 | {
|
---|
1840 | if( dll_empty((DLL *)clip->requestp_head) )
|
---|
1841 | {
|
---|
1842 | release_conn( conn_id, 0, 0);
|
---|
1843 | }
|
---|
1844 | }
|
---|
1845 | break;
|
---|
1846 | }
|
---|
1847 | }
|
---|
1848 | }while(more);
|
---|
1849 | ENABLE_AST
|
---|
1850 | }
|
---|
1851 | {
|
---|
1852 | DISABLE_AST
|
---|
1853 | servp->delay_delete = 0;
|
---|
1854 | if(servp->to_delete)
|
---|
1855 | {
|
---|
1856 | dis_remove_service(servp->id);
|
---|
1857 | }
|
---|
1858 | ENABLE_AST
|
---|
1859 | }
|
---|
1860 |
|
---|
1861 | return(found);
|
---|
1862 | }
|
---|
1863 |
|
---|
1864 | int dis_get_n_clients(unsigned service_id)
|
---|
1865 | {
|
---|
1866 | register REQUEST *reqp;
|
---|
1867 | register SERVICE *servp;
|
---|
1868 | register int found = 0;
|
---|
1869 | char str[128];
|
---|
1870 |
|
---|
1871 | DISABLE_AST
|
---|
1872 | if(!service_id)
|
---|
1873 | {
|
---|
1874 | sprintf(str, "Service Has Clients- Invalid service id");
|
---|
1875 | error_handler(0, DIM_ERROR, DIMSVCINVAL, str, -1);
|
---|
1876 | ENABLE_AST
|
---|
1877 | return(found);
|
---|
1878 | }
|
---|
1879 | servp = (SERVICE *)id_get_ptr(service_id, SRC_DIS);
|
---|
1880 | if(!servp)
|
---|
1881 | {
|
---|
1882 | ENABLE_AST
|
---|
1883 | return(found);
|
---|
1884 | }
|
---|
1885 | if(servp->id != (int)service_id)
|
---|
1886 | {
|
---|
1887 | ENABLE_AST
|
---|
1888 | return(found);
|
---|
1889 | }
|
---|
1890 | reqp = servp->request_head;
|
---|
1891 | while( (reqp = (REQUEST *) dll_get_next((DLL *)servp->request_head,
|
---|
1892 | (DLL *) reqp)) )
|
---|
1893 | {
|
---|
1894 | found++;
|
---|
1895 | }
|
---|
1896 | ENABLE_AST
|
---|
1897 | return found;
|
---|
1898 | }
|
---|
1899 |
|
---|
1900 | int dis_get_timeout(unsigned service_id, int client_id)
|
---|
1901 | {
|
---|
1902 | register REQUEST *reqp;
|
---|
1903 | register SERVICE *servp;
|
---|
1904 | char str[128];
|
---|
1905 |
|
---|
1906 | if(!service_id)
|
---|
1907 | {
|
---|
1908 | sprintf(str,"Get Timeout - Invalid service id");
|
---|
1909 | error_handler(0, DIM_ERROR, DIMSVCINVAL, str, -1);
|
---|
1910 | return(-1);
|
---|
1911 | }
|
---|
1912 | servp = (SERVICE *)id_get_ptr(service_id, SRC_DIS);
|
---|
1913 | if(!servp)
|
---|
1914 | {
|
---|
1915 | return(-1);
|
---|
1916 | }
|
---|
1917 | reqp = servp->request_head;
|
---|
1918 | while( (reqp = (REQUEST *) dll_get_next((DLL *)servp->request_head,
|
---|
1919 | (DLL *) reqp)) )
|
---|
1920 | {
|
---|
1921 | if(reqp->conn_id == client_id)
|
---|
1922 | return(reqp->timeout);
|
---|
1923 | }
|
---|
1924 | return(-1);
|
---|
1925 | }
|
---|
1926 |
|
---|
1927 | void dis_set_quality( unsigned serv_id, int quality )
|
---|
1928 | {
|
---|
1929 | register SERVICE *servp;
|
---|
1930 | char str[128];
|
---|
1931 |
|
---|
1932 | DISABLE_AST
|
---|
1933 | if(!serv_id)
|
---|
1934 | {
|
---|
1935 | sprintf(str,"Set Quality - Invalid service id");
|
---|
1936 | error_handler(0, DIM_ERROR, DIMSVCINVAL, str, -1);
|
---|
1937 | ENABLE_AST
|
---|
1938 | return;
|
---|
1939 | }
|
---|
1940 | servp = (SERVICE *)id_get_ptr(serv_id, SRC_DIS);
|
---|
1941 | if(!servp)
|
---|
1942 | {
|
---|
1943 | ENABLE_AST
|
---|
1944 | return;
|
---|
1945 | }
|
---|
1946 | if(servp->id != (int)serv_id)
|
---|
1947 | {
|
---|
1948 | ENABLE_AST
|
---|
1949 | return;
|
---|
1950 | }
|
---|
1951 | servp->quality = quality;
|
---|
1952 | ENABLE_AST
|
---|
1953 | }
|
---|
1954 |
|
---|
1955 | int dis_set_timestamp( unsigned serv_id, int secs, int millisecs )
|
---|
1956 | {
|
---|
1957 | register SERVICE *servp;
|
---|
1958 | char str[128];
|
---|
1959 | #ifdef WIN32
|
---|
1960 | struct timeb timebuf;
|
---|
1961 | #else
|
---|
1962 | struct timeval tv;
|
---|
1963 | struct timezone *tz;
|
---|
1964 | #endif
|
---|
1965 |
|
---|
1966 | DISABLE_AST
|
---|
1967 | if(!serv_id)
|
---|
1968 | {
|
---|
1969 | sprintf(str,"Set Timestamp - Invalid service id");
|
---|
1970 | error_handler(0, DIM_ERROR, DIMSVCINVAL, str, -1);
|
---|
1971 | ENABLE_AST
|
---|
1972 | return(0);
|
---|
1973 | }
|
---|
1974 | servp = (SERVICE *)id_get_ptr(serv_id, SRC_DIS);
|
---|
1975 | if(!servp)
|
---|
1976 | {
|
---|
1977 | ENABLE_AST
|
---|
1978 | return(0);
|
---|
1979 | }
|
---|
1980 | if(servp->id != (int)serv_id)
|
---|
1981 | {
|
---|
1982 | ENABLE_AST
|
---|
1983 | return(0);
|
---|
1984 | }
|
---|
1985 | if(secs == 0)
|
---|
1986 | {
|
---|
1987 | #ifdef WIN32
|
---|
1988 | ftime(&timebuf);
|
---|
1989 | servp->user_secs = (int)timebuf.time;
|
---|
1990 | servp->user_millisecs = timebuf.millitm;
|
---|
1991 | #else
|
---|
1992 | tz = 0;
|
---|
1993 | gettimeofday(&tv, tz);
|
---|
1994 | servp->user_secs = (int)tv.tv_sec;
|
---|
1995 | servp->user_millisecs = (int)tv.tv_usec / 1000;
|
---|
1996 | #endif
|
---|
1997 | }
|
---|
1998 | else
|
---|
1999 | {
|
---|
2000 | servp->user_secs = secs;
|
---|
2001 | /*
|
---|
2002 | servp->user_millisecs = (millisecs & 0xffff);
|
---|
2003 | */
|
---|
2004 | servp->user_millisecs = millisecs;
|
---|
2005 | }
|
---|
2006 | ENABLE_AST
|
---|
2007 | return(1);
|
---|
2008 | }
|
---|
2009 |
|
---|
2010 | int dis_get_timestamp( unsigned serv_id, int *secs, int *millisecs )
|
---|
2011 | {
|
---|
2012 | register SERVICE *servp;
|
---|
2013 | char str[128];
|
---|
2014 |
|
---|
2015 | DISABLE_AST
|
---|
2016 | *secs = 0;
|
---|
2017 | *millisecs = 0;
|
---|
2018 | if(!serv_id)
|
---|
2019 | {
|
---|
2020 | sprintf(str,"Get Timestamp - Invalid service id");
|
---|
2021 | error_handler(0, DIM_ERROR, DIMSVCINVAL, str, -1);
|
---|
2022 | ENABLE_AST
|
---|
2023 | return(0);
|
---|
2024 | }
|
---|
2025 | servp = (SERVICE *)id_get_ptr(serv_id, SRC_DIS);
|
---|
2026 | if(!servp)
|
---|
2027 | {
|
---|
2028 | ENABLE_AST
|
---|
2029 | return(0);
|
---|
2030 | }
|
---|
2031 | if(servp->id != (int)serv_id)
|
---|
2032 | {
|
---|
2033 | ENABLE_AST
|
---|
2034 | return(0);
|
---|
2035 | }
|
---|
2036 | if(servp->user_secs)
|
---|
2037 | {
|
---|
2038 | *secs = servp->user_secs;
|
---|
2039 | *millisecs = servp->user_millisecs;
|
---|
2040 | }
|
---|
2041 | /*
|
---|
2042 | else
|
---|
2043 | {
|
---|
2044 | *secs = 0;
|
---|
2045 | *millisecs = 0;
|
---|
2046 | }
|
---|
2047 | */
|
---|
2048 | ENABLE_AST
|
---|
2049 | return(1);
|
---|
2050 | }
|
---|
2051 |
|
---|
2052 | void dis_send_service(unsigned service_id, int *buffer, int size)
|
---|
2053 | {
|
---|
2054 | register REQUEST *reqp, *prevp;
|
---|
2055 | register SERVICE *servp;
|
---|
2056 | static DIS_PACKET *dis_packet;
|
---|
2057 | static int packet_size = 0;
|
---|
2058 | int conn_id;
|
---|
2059 | char str[128];
|
---|
2060 |
|
---|
2061 | DISABLE_AST
|
---|
2062 | if( !service_id ) {
|
---|
2063 | sprintf(str,"Send Service - Invalid service id");
|
---|
2064 | error_handler(0, DIM_ERROR, DIMSVCINVAL, str, -1);
|
---|
2065 | ENABLE_AST
|
---|
2066 | return;
|
---|
2067 | }
|
---|
2068 | servp = (SERVICE *)id_get_ptr(service_id, SRC_DIS);
|
---|
2069 | if(!servp)
|
---|
2070 | {
|
---|
2071 | ENABLE_AST
|
---|
2072 | return;
|
---|
2073 | }
|
---|
2074 | if(!packet_size)
|
---|
2075 | {
|
---|
2076 | dis_packet = (DIS_PACKET *)malloc((size_t)(DIS_HEADER+size));
|
---|
2077 | packet_size = DIS_HEADER + size;
|
---|
2078 | }
|
---|
2079 | else
|
---|
2080 | {
|
---|
2081 | if( DIS_HEADER+size > packet_size )
|
---|
2082 | {
|
---|
2083 | free(dis_packet);
|
---|
2084 | dis_packet = (DIS_PACKET *)malloc((size_t)(DIS_HEADER+size));
|
---|
2085 | packet_size = DIS_HEADER+size;
|
---|
2086 | }
|
---|
2087 | }
|
---|
2088 | prevp = servp->request_head;
|
---|
2089 | while( (reqp = (REQUEST *) dll_get_next((DLL *)servp->request_head,
|
---|
2090 | (DLL *) prevp)) )
|
---|
2091 | {
|
---|
2092 | dis_packet->service_id = htovl(reqp->service_id);
|
---|
2093 | memcpy(dis_packet->buffer, buffer, (size_t)size);
|
---|
2094 | dis_packet->size = htovl(DIS_HEADER + size);
|
---|
2095 |
|
---|
2096 | conn_id = reqp->conn_id;
|
---|
2097 | if( !dna_write_nowait(conn_id, dis_packet, size + DIS_HEADER) )
|
---|
2098 | {
|
---|
2099 | dim_print_date_time();
|
---|
2100 | printf(" Server Sending Service: Couldn't write to Conn %3d : Client %s@%s\n",conn_id,
|
---|
2101 | Net_conns[conn_id].task, Net_conns[conn_id].node);
|
---|
2102 | fflush(stdout);
|
---|
2103 | release_conn(conn_id, 1, 0);
|
---|
2104 | }
|
---|
2105 | else
|
---|
2106 | prevp = reqp;
|
---|
2107 | }
|
---|
2108 | ENABLE_AST
|
---|
2109 | }
|
---|
2110 |
|
---|
2111 | int dis_remove_service(unsigned service_id)
|
---|
2112 | {
|
---|
2113 | register REQUEST *reqp, *auxp;
|
---|
2114 | register SERVICE *servp;
|
---|
2115 | REQUEST_PTR *reqpp;
|
---|
2116 | int found = 0;
|
---|
2117 | char str[128];
|
---|
2118 | int release_request();
|
---|
2119 | int dis_hash_service_remove();
|
---|
2120 | DIS_DNS_CONN *dnsp;
|
---|
2121 | int n_services;
|
---|
2122 | void do_dis_stop_serving_dns(DIS_DNS_CONN *);
|
---|
2123 |
|
---|
2124 | DISABLE_AST
|
---|
2125 | if(!service_id)
|
---|
2126 | {
|
---|
2127 | sprintf(str,"Remove Service - Invalid service id");
|
---|
2128 | error_handler(0, DIM_ERROR, DIMSVCINVAL, str, -1);
|
---|
2129 | ENABLE_AST
|
---|
2130 | return(found);
|
---|
2131 | }
|
---|
2132 | servp = (SERVICE *)id_get_ptr(service_id, SRC_DIS);
|
---|
2133 | if(!servp)
|
---|
2134 | {
|
---|
2135 | ENABLE_AST
|
---|
2136 | return(found);
|
---|
2137 | }
|
---|
2138 | if(servp->id != (int)service_id)
|
---|
2139 | {
|
---|
2140 | ENABLE_AST
|
---|
2141 | return(found);
|
---|
2142 | }
|
---|
2143 | if(Debug_on)
|
---|
2144 | {
|
---|
2145 | dim_print_date_time();
|
---|
2146 | printf("Removing service %s, delay_delete = %d\n",
|
---|
2147 | servp->name, servp->delay_delete);
|
---|
2148 | }
|
---|
2149 | if(servp->delay_delete)
|
---|
2150 | {
|
---|
2151 | servp->to_delete = 1;
|
---|
2152 | ENABLE_AST
|
---|
2153 | return(found);
|
---|
2154 | }
|
---|
2155 | /* remove from name server */
|
---|
2156 |
|
---|
2157 | dnsp = servp->dnsp;
|
---|
2158 | unregister_service(dnsp, servp);
|
---|
2159 | /* Release client requests and remove from actual clients */
|
---|
2160 | reqp = servp->request_head;
|
---|
2161 | while( (reqp = (REQUEST *) dll_get_next((DLL *)servp->request_head,
|
---|
2162 | (DLL *) reqp)) )
|
---|
2163 | {
|
---|
2164 | remove_service(reqp->req_id);
|
---|
2165 | auxp = reqp->prev;
|
---|
2166 | reqpp = (REQUEST_PTR *) reqp->reqpp;
|
---|
2167 | release_request(reqp, reqpp, 1);
|
---|
2168 | found = 1;
|
---|
2169 | reqp = auxp;
|
---|
2170 | }
|
---|
2171 | if(servp->id == (int)dnsp->dis_service_id)
|
---|
2172 | dnsp->dis_service_id = 0;
|
---|
2173 | if(servp->id == (int)dnsp->dis_client_id)
|
---|
2174 | dnsp->dis_client_id = 0;
|
---|
2175 | dis_hash_service_remove(servp);
|
---|
2176 | id_free(servp->id, SRC_DIS);
|
---|
2177 | free(servp->request_head);
|
---|
2178 | free(servp);
|
---|
2179 | /*
|
---|
2180 | if(dnsp != Default_DNS)
|
---|
2181 | {
|
---|
2182 | dnsp->dis_n_services--;
|
---|
2183 | n_services = dnsp->dis_n_services;
|
---|
2184 | }
|
---|
2185 | else
|
---|
2186 | {
|
---|
2187 | Dis_n_services--;
|
---|
2188 | n_services = Dis_n_services;
|
---|
2189 | }
|
---|
2190 | */
|
---|
2191 | dnsp->dis_n_services--;
|
---|
2192 | n_services = dnsp->dis_n_services;
|
---|
2193 |
|
---|
2194 | if(dnsp->serving)
|
---|
2195 | {
|
---|
2196 | if(n_services == 5)
|
---|
2197 | {
|
---|
2198 | if(Dis_conn_id)
|
---|
2199 | {
|
---|
2200 | dna_close(Dis_conn_id);
|
---|
2201 | Dis_conn_id = 0;
|
---|
2202 | }
|
---|
2203 | ENABLE_AST
|
---|
2204 | /*
|
---|
2205 | dis_stop_serving();
|
---|
2206 | */
|
---|
2207 | do_dis_stop_serving_dns(dnsp);
|
---|
2208 | }
|
---|
2209 | else
|
---|
2210 | {
|
---|
2211 | ENABLE_AST
|
---|
2212 | }
|
---|
2213 | }
|
---|
2214 | else
|
---|
2215 | {
|
---|
2216 | ENABLE_AST
|
---|
2217 | }
|
---|
2218 | return(found);
|
---|
2219 | }
|
---|
2220 |
|
---|
2221 | void do_dis_stop_serving_dns(DIS_DNS_CONN *dnsp)
|
---|
2222 | {
|
---|
2223 | register SERVICE *servp, *prevp;
|
---|
2224 | void dim_stop_threads(void);
|
---|
2225 | int dis_no_dns();
|
---|
2226 | int hash_index, old_index;
|
---|
2227 | extern int close_dns(dim_long, int);
|
---|
2228 | CLIENT *clip, *cprevp;
|
---|
2229 |
|
---|
2230 | dnsp->serving = 0;
|
---|
2231 | dis_init();
|
---|
2232 | /*
|
---|
2233 | dis_hash_service_init();
|
---|
2234 | prevp = 0;
|
---|
2235 | if(Dis_conn_id)
|
---|
2236 | {
|
---|
2237 | dna_close(Dis_conn_id);
|
---|
2238 | Dis_conn_id = 0;
|
---|
2239 | }
|
---|
2240 | */
|
---|
2241 | {
|
---|
2242 | DISABLE_AST
|
---|
2243 | if(dnsp->dns_timr_ent)
|
---|
2244 | {
|
---|
2245 | dtq_rem_entry(Dis_timer_q, dnsp->dns_timr_ent);
|
---|
2246 | dnsp->dns_timr_ent = NULL;
|
---|
2247 | }
|
---|
2248 | if(dnsp->dns_dis_conn_id)
|
---|
2249 | {
|
---|
2250 | dna_close(dnsp->dns_dis_conn_id);
|
---|
2251 | dnsp->dns_dis_conn_id = 0;
|
---|
2252 | }
|
---|
2253 | ENABLE_AST
|
---|
2254 | }
|
---|
2255 | {
|
---|
2256 | DISABLE_AST
|
---|
2257 | prevp = 0;
|
---|
2258 | hash_index = -1;
|
---|
2259 | old_index = -1;
|
---|
2260 | while( (servp = dis_hash_service_get_next(&hash_index, prevp, 0)) )
|
---|
2261 | {
|
---|
2262 | if(servp->dnsp == dnsp)
|
---|
2263 | {
|
---|
2264 | ENABLE_AST
|
---|
2265 | dis_remove_service((unsigned)servp->id);
|
---|
2266 | {
|
---|
2267 | DISABLE_AST
|
---|
2268 | if(old_index != hash_index)
|
---|
2269 | prevp = 0;
|
---|
2270 | }
|
---|
2271 | }
|
---|
2272 | else
|
---|
2273 | {
|
---|
2274 | prevp = servp;
|
---|
2275 | old_index = hash_index;
|
---|
2276 | }
|
---|
2277 | }
|
---|
2278 | ENABLE_AST
|
---|
2279 | }
|
---|
2280 | {
|
---|
2281 | DISABLE_AST
|
---|
2282 | cprevp = Client_head;
|
---|
2283 | while( (clip = (CLIENT *)dll_get_next( (DLL *) Client_head,
|
---|
2284 | (DLL*) cprevp)) )
|
---|
2285 | {
|
---|
2286 | if(clip->dnsp != dnsp)
|
---|
2287 | {
|
---|
2288 | cprevp = clip;
|
---|
2289 | continue;
|
---|
2290 | }
|
---|
2291 | if( dll_empty((DLL *)clip->requestp_head) )
|
---|
2292 | {
|
---|
2293 | if(Debug_on)
|
---|
2294 | {
|
---|
2295 | dim_print_date_time();
|
---|
2296 | printf("Releasing conn %d, to %s@%s\n",
|
---|
2297 | clip->conn_id,
|
---|
2298 | Net_conns[clip->conn_id].task, Net_conns[clip->conn_id].node);
|
---|
2299 | }
|
---|
2300 | release_conn( clip->conn_id, 0, 0);
|
---|
2301 | }
|
---|
2302 | else
|
---|
2303 | {
|
---|
2304 | cprevp = clip;
|
---|
2305 | }
|
---|
2306 | }
|
---|
2307 | ENABLE_AST
|
---|
2308 | }
|
---|
2309 | if(Debug_on)
|
---|
2310 | {
|
---|
2311 | dim_print_date_time();
|
---|
2312 | printf("Cleaning dnsp variables\n");
|
---|
2313 | }
|
---|
2314 |
|
---|
2315 | dnsp->dis_first_time = 1;
|
---|
2316 | dnsp->dis_n_services = 0;
|
---|
2317 | dnsp->dis_dns_packet.size = 0;
|
---|
2318 | dnsp->dis_dns_packet.src_type = 0;
|
---|
2319 | close_dns(dnsp->dnsid, SRC_DIS);
|
---|
2320 | /*
|
---|
2321 | if(dnsp != Default_DNS)
|
---|
2322 | {
|
---|
2323 | dll_remove(dnsp);
|
---|
2324 | free(dnsp);
|
---|
2325 | }
|
---|
2326 | */
|
---|
2327 | /*
|
---|
2328 | if(dll_empty(DNS_head))
|
---|
2329 | */
|
---|
2330 | if(dis_no_dns())
|
---|
2331 | dis_stop_serving();
|
---|
2332 | }
|
---|
2333 |
|
---|
2334 | void dis_stop_serving_dns(dim_long dnsid)
|
---|
2335 | {
|
---|
2336 | DIS_DNS_CONN *dnsp, *dis_find_dns();
|
---|
2337 |
|
---|
2338 | dnsp = dis_find_dns(dnsid);
|
---|
2339 | do_dis_stop_serving_dns(dnsp);
|
---|
2340 | }
|
---|
2341 |
|
---|
2342 | void dis_stop_serving()
|
---|
2343 | {
|
---|
2344 | register SERVICE *servp, *prevp;
|
---|
2345 | void dim_stop_threads(void);
|
---|
2346 | int dis_find_client_conns();
|
---|
2347 | int hash_index;
|
---|
2348 |
|
---|
2349 | /*
|
---|
2350 | if(Serving != -1)
|
---|
2351 | */
|
---|
2352 | Serving = 0;
|
---|
2353 | dis_init();
|
---|
2354 | if(Dis_conn_id)
|
---|
2355 | {
|
---|
2356 | dna_close(Dis_conn_id);
|
---|
2357 | Dis_conn_id = 0;
|
---|
2358 | }
|
---|
2359 | /*
|
---|
2360 | if(Dns_dis_conn_id)
|
---|
2361 | {
|
---|
2362 | dna_close(Dns_dis_conn_id);
|
---|
2363 | Dns_dis_conn_id = 0;
|
---|
2364 | }
|
---|
2365 | */
|
---|
2366 | {
|
---|
2367 | DISABLE_AST
|
---|
2368 | prevp = 0;
|
---|
2369 | hash_index = -1;
|
---|
2370 | while( (servp = dis_hash_service_get_next(&hash_index, prevp, 0)) )
|
---|
2371 | {
|
---|
2372 | ENABLE_AST
|
---|
2373 | dis_remove_service((unsigned)servp->id);
|
---|
2374 | {
|
---|
2375 | DISABLE_AST
|
---|
2376 | prevp = 0;
|
---|
2377 | }
|
---|
2378 | }
|
---|
2379 | ENABLE_AST
|
---|
2380 | }
|
---|
2381 | /*
|
---|
2382 | if(Dis_conn_id)
|
---|
2383 | dna_close(Dis_conn_id);
|
---|
2384 | if(Dns_dis_conn_id)
|
---|
2385 | dna_close(Dns_dis_conn_id);
|
---|
2386 | Dns_dis_conn_id = 0;
|
---|
2387 | */
|
---|
2388 | Dis_first_time = 1;
|
---|
2389 | /*
|
---|
2390 | if(Dns_timr_ent)
|
---|
2391 | {
|
---|
2392 | dtq_rem_entry(Dis_timer_q, Dns_timr_ent);
|
---|
2393 | Dns_timr_ent = NULL;
|
---|
2394 | }
|
---|
2395 | */
|
---|
2396 | dtq_delete(Dis_timer_q);
|
---|
2397 | Dis_timer_q = 0;
|
---|
2398 | /*
|
---|
2399 | if(Serving != -1)
|
---|
2400 | */
|
---|
2401 | if(!dis_find_client_conns())
|
---|
2402 | dim_stop_threads();
|
---|
2403 | }
|
---|
2404 |
|
---|
2405 | int dis_find_client_conns()
|
---|
2406 | {
|
---|
2407 | int i;
|
---|
2408 | int n = 0;
|
---|
2409 |
|
---|
2410 | for( i = 0; i< Curr_N_Conns; i++ )
|
---|
2411 | {
|
---|
2412 | if(Net_conns[i].channel != 0)
|
---|
2413 | {
|
---|
2414 | if(Dna_conns[i].read_ast == dis_insert_request)
|
---|
2415 | {
|
---|
2416 | dna_close(i);
|
---|
2417 | }
|
---|
2418 | else
|
---|
2419 | {
|
---|
2420 | n++;
|
---|
2421 | }
|
---|
2422 | }
|
---|
2423 | }
|
---|
2424 | return(n);
|
---|
2425 | }
|
---|
2426 |
|
---|
2427 | /* find service by name */
|
---|
2428 | SERVICE *find_service(char *name)
|
---|
2429 | {
|
---|
2430 | return(dis_hash_service_exists(name));
|
---|
2431 | }
|
---|
2432 |
|
---|
2433 | CLIENT *create_client(int conn_id, SERVICE *servp, int *new_client)
|
---|
2434 | {
|
---|
2435 | CLIENT *clip;
|
---|
2436 |
|
---|
2437 | *new_client = 0;
|
---|
2438 | if(!(clip = find_client(conn_id)))
|
---|
2439 | {
|
---|
2440 | /*
|
---|
2441 | dna_set_test_write(conn_id, 15);
|
---|
2442 | */
|
---|
2443 | clip = (CLIENT *)malloc(sizeof(CLIENT));
|
---|
2444 | clip->conn_id = conn_id;
|
---|
2445 | clip->dnsp = servp->dnsp;
|
---|
2446 | clip->requestp_head = (REQUEST_PTR *)malloc(sizeof(REQUEST_PTR));
|
---|
2447 | dll_init( (DLL *) clip->requestp_head );
|
---|
2448 | dll_insert_queue( (DLL *) Client_head, (DLL *) clip );
|
---|
2449 | *new_client = 1;
|
---|
2450 | }
|
---|
2451 | return clip;
|
---|
2452 | }
|
---|
2453 |
|
---|
2454 | CLIENT *find_client(int conn_id)
|
---|
2455 | {
|
---|
2456 | register CLIENT *clip;
|
---|
2457 |
|
---|
2458 | clip = (CLIENT *)
|
---|
2459 | dll_search( (DLL *) Client_head, &conn_id, sizeof(conn_id));
|
---|
2460 | return(clip);
|
---|
2461 | }
|
---|
2462 |
|
---|
2463 | void release_all_requests(int conn_id, CLIENT *clip)
|
---|
2464 | {
|
---|
2465 | register REQUEST_PTR *reqpp, *auxp;
|
---|
2466 | register REQUEST *reqp;
|
---|
2467 | int found = 0;
|
---|
2468 | int release_request();
|
---|
2469 | DIS_DNS_CONN *dnsp = 0;
|
---|
2470 |
|
---|
2471 | DISABLE_AST;
|
---|
2472 | if(clip)
|
---|
2473 | {
|
---|
2474 | reqpp = clip->requestp_head;
|
---|
2475 | while( (reqpp = (REQUEST_PTR *) dll_get_next((DLL *)clip->requestp_head,
|
---|
2476 | (DLL *) reqpp)) )
|
---|
2477 | {
|
---|
2478 | auxp = reqpp->prev;
|
---|
2479 | reqp = (REQUEST *) reqpp->reqp;
|
---|
2480 | release_request(reqp, reqpp, 0);
|
---|
2481 | found = 1;
|
---|
2482 | reqpp = auxp;
|
---|
2483 | }
|
---|
2484 | dnsp = clip->dnsp;
|
---|
2485 | dll_remove(clip);
|
---|
2486 | free(clip->requestp_head);
|
---|
2487 | free(clip);
|
---|
2488 | }
|
---|
2489 | if(found)
|
---|
2490 | {
|
---|
2491 | Last_client = -conn_id;
|
---|
2492 | if(dnsp->dis_client_id)
|
---|
2493 | dis_update_service(dnsp->dis_client_id);
|
---|
2494 | }
|
---|
2495 | dna_close(conn_id);
|
---|
2496 | ENABLE_AST;
|
---|
2497 | }
|
---|
2498 |
|
---|
2499 | CLIENT *check_delay_delete(int conn_id)
|
---|
2500 | {
|
---|
2501 | register REQUEST_PTR *reqpp;
|
---|
2502 | register CLIENT *clip;
|
---|
2503 | register REQUEST *reqp;
|
---|
2504 | int found = 0;
|
---|
2505 |
|
---|
2506 | DISABLE_AST;
|
---|
2507 | clip = find_client(conn_id);
|
---|
2508 | if(clip)
|
---|
2509 | {
|
---|
2510 | reqpp = clip->requestp_head;
|
---|
2511 | while( (reqpp = (REQUEST_PTR *) dll_get_next((DLL *)clip->requestp_head,
|
---|
2512 | (DLL *) reqpp)) )
|
---|
2513 | {
|
---|
2514 | reqp = (REQUEST *) reqpp->reqp;
|
---|
2515 | if(reqp->delay_delete)
|
---|
2516 | {
|
---|
2517 | reqp->to_delete = 1;
|
---|
2518 | found = 1;
|
---|
2519 | }
|
---|
2520 | }
|
---|
2521 | }
|
---|
2522 | ENABLE_AST;
|
---|
2523 | if(found)
|
---|
2524 | {
|
---|
2525 | return((CLIENT *)-1);
|
---|
2526 | }
|
---|
2527 | return(clip);
|
---|
2528 | }
|
---|
2529 |
|
---|
2530 | char *dis_get_error_services()
|
---|
2531 | {
|
---|
2532 | return(dis_get_client_services(Error_conn_id));
|
---|
2533 | }
|
---|
2534 |
|
---|
2535 | char *dis_get_client_services(int conn_id)
|
---|
2536 | {
|
---|
2537 | register REQUEST_PTR *reqpp;
|
---|
2538 | register CLIENT *clip;
|
---|
2539 | register REQUEST *reqp;
|
---|
2540 | register SERVICE *servp;
|
---|
2541 |
|
---|
2542 | int n_services = 0;
|
---|
2543 | int max_size;
|
---|
2544 | static int curr_allocated_size = 0;
|
---|
2545 | static char *service_info_buffer;
|
---|
2546 | char *buff_ptr;
|
---|
2547 |
|
---|
2548 |
|
---|
2549 | if(!conn_id)
|
---|
2550 | return((char *)0);
|
---|
2551 | {
|
---|
2552 | DISABLE_AST;
|
---|
2553 | clip = find_client(conn_id);
|
---|
2554 | if(clip)
|
---|
2555 | {
|
---|
2556 | reqpp = clip->requestp_head;
|
---|
2557 | while( (reqpp = (REQUEST_PTR *) dll_get_next((DLL *)clip->requestp_head,
|
---|
2558 | (DLL *) reqpp)))
|
---|
2559 | {
|
---|
2560 | n_services++;
|
---|
2561 | }
|
---|
2562 | if(!n_services)
|
---|
2563 | {
|
---|
2564 | ENABLE_AST
|
---|
2565 | return((char *)0);
|
---|
2566 | }
|
---|
2567 | max_size = n_services * MAX_NAME;
|
---|
2568 | if(!curr_allocated_size)
|
---|
2569 | {
|
---|
2570 | service_info_buffer = (char *)malloc((size_t)max_size);
|
---|
2571 | curr_allocated_size = max_size;
|
---|
2572 | }
|
---|
2573 | else if (max_size > curr_allocated_size)
|
---|
2574 | {
|
---|
2575 | free(service_info_buffer);
|
---|
2576 | service_info_buffer = (char *)malloc((size_t)max_size);
|
---|
2577 | curr_allocated_size = max_size;
|
---|
2578 | }
|
---|
2579 | service_info_buffer[0] = '\0';
|
---|
2580 | buff_ptr = service_info_buffer;
|
---|
2581 | reqpp = clip->requestp_head;
|
---|
2582 | while( (reqpp = (REQUEST_PTR *) dll_get_next((DLL *)clip->requestp_head,
|
---|
2583 | (DLL *) reqpp)) )
|
---|
2584 | {
|
---|
2585 | reqp = (REQUEST *) reqpp->reqp;
|
---|
2586 | servp = reqp->service_ptr;
|
---|
2587 | strcat(buff_ptr, servp->name);
|
---|
2588 | strcat(buff_ptr, "\n");
|
---|
2589 | buff_ptr += (int)strlen(buff_ptr);
|
---|
2590 | }
|
---|
2591 | }
|
---|
2592 | else
|
---|
2593 | {
|
---|
2594 | ENABLE_AST
|
---|
2595 | return((char *)0);
|
---|
2596 | }
|
---|
2597 | ENABLE_AST;
|
---|
2598 | }
|
---|
2599 | /*
|
---|
2600 | dim_print_date_time();
|
---|
2601 | dna_get_node_task(conn_id, node, task);
|
---|
2602 | printf("Client %s@%s uses services: \n", task, node);
|
---|
2603 | printf("%s\n",service_info_buffer);
|
---|
2604 | */
|
---|
2605 | return(service_info_buffer);
|
---|
2606 | }
|
---|
2607 |
|
---|
2608 | int find_release_request(int conn_id, int service_id)
|
---|
2609 | {
|
---|
2610 | register REQUEST_PTR *reqpp, *auxp;
|
---|
2611 | register CLIENT *clip;
|
---|
2612 | register REQUEST *reqp;
|
---|
2613 | int release_request();
|
---|
2614 |
|
---|
2615 | DISABLE_AST
|
---|
2616 | clip = find_client(conn_id);
|
---|
2617 | if(clip)
|
---|
2618 | {
|
---|
2619 | reqpp = clip->requestp_head;
|
---|
2620 | while( (reqpp = (REQUEST_PTR *) dll_get_next((DLL *)clip->requestp_head,
|
---|
2621 | (DLL *) reqpp)) )
|
---|
2622 | {
|
---|
2623 | reqp = (REQUEST *) reqpp->reqp;
|
---|
2624 | if(reqp->service_id == service_id)
|
---|
2625 | {
|
---|
2626 | if(reqp->delay_delete)
|
---|
2627 | {
|
---|
2628 | reqp->to_delete += 0x2;
|
---|
2629 | }
|
---|
2630 | else
|
---|
2631 | {
|
---|
2632 | auxp = reqpp->prev;
|
---|
2633 | release_request(reqp, reqpp, 0);
|
---|
2634 | reqpp = auxp;
|
---|
2635 | }
|
---|
2636 | }
|
---|
2637 | }
|
---|
2638 | /* The client should close the connection (there may be commands)
|
---|
2639 | if( dll_empty((DLL *)clip->requestp_head) )
|
---|
2640 | {
|
---|
2641 | release_conn( conn_id, 0, 0 );
|
---|
2642 | }
|
---|
2643 | */
|
---|
2644 | }
|
---|
2645 | ENABLE_AST
|
---|
2646 | return(1);
|
---|
2647 | }
|
---|
2648 |
|
---|
2649 | int release_request(REQUEST *reqp, REQUEST_PTR *reqpp, int remove)
|
---|
2650 | {
|
---|
2651 | int conn_id;
|
---|
2652 | CLIENT *clip;
|
---|
2653 |
|
---|
2654 | DISABLE_AST
|
---|
2655 | conn_id = reqp->conn_id;
|
---|
2656 | if(reqpp)
|
---|
2657 | dll_remove((DLL *)reqpp);
|
---|
2658 | dll_remove((DLL *)reqp);
|
---|
2659 | if(reqp->timr_ent)
|
---|
2660 | dtq_rem_entry(Dis_timer_q, reqp->timr_ent);
|
---|
2661 | id_free(reqp->req_id, SRC_DIS);
|
---|
2662 | free(reqp);
|
---|
2663 | if(reqpp)
|
---|
2664 | free(reqpp);
|
---|
2665 | /* Would do it too early, the client will disconnect anyway
|
---|
2666 | */
|
---|
2667 | if((remove) && (Serving == 0))
|
---|
2668 | {
|
---|
2669 | clip = find_client(conn_id);
|
---|
2670 | if(clip)
|
---|
2671 | {
|
---|
2672 | if( dll_empty((DLL *)clip->requestp_head) )
|
---|
2673 | {
|
---|
2674 | release_conn( conn_id, 0, 0);
|
---|
2675 | }
|
---|
2676 | }
|
---|
2677 | }
|
---|
2678 |
|
---|
2679 | ENABLE_AST
|
---|
2680 | return(1);
|
---|
2681 | }
|
---|
2682 |
|
---|
2683 | static int release_conn(int conn_id, int print_flg, int dns_flag)
|
---|
2684 | {
|
---|
2685 | static int releasing = 0;
|
---|
2686 | CLIENT *clip;
|
---|
2687 | int do_exit_handler();
|
---|
2688 |
|
---|
2689 | DISABLE_AST
|
---|
2690 | if(print_flg){}
|
---|
2691 | if(dns_flag)
|
---|
2692 | {
|
---|
2693 | recv_dns_dis_rout( conn_id, 0, 0, STA_DISC );
|
---|
2694 | ENABLE_AST
|
---|
2695 | return(0);
|
---|
2696 | }
|
---|
2697 | #ifdef VMS
|
---|
2698 | if(print_flg)
|
---|
2699 | {
|
---|
2700 | dim_print_date_time();
|
---|
2701 | dna_get_node_task(conn_id, node, task);
|
---|
2702 | printf(" Couldn't write to client %s@%s, releasing connection %d\n",
|
---|
2703 | task, node, conn_id);
|
---|
2704 | fflush(stdout);
|
---|
2705 | }
|
---|
2706 | #endif
|
---|
2707 | clip = check_delay_delete(conn_id);
|
---|
2708 | if(clip != (CLIENT *)-1)
|
---|
2709 | {
|
---|
2710 | if( Client_exit_user_routine != 0 )
|
---|
2711 | {
|
---|
2712 | releasing++;
|
---|
2713 | Curr_conn_id = conn_id;
|
---|
2714 | do_exit_handler(conn_id);
|
---|
2715 | releasing--;
|
---|
2716 | }
|
---|
2717 | if(!releasing)
|
---|
2718 | {
|
---|
2719 | release_all_requests(conn_id, clip);
|
---|
2720 | }
|
---|
2721 | }
|
---|
2722 | ENABLE_AST
|
---|
2723 | return(1);
|
---|
2724 | }
|
---|
2725 |
|
---|
2726 | typedef struct cmnds{
|
---|
2727 | struct cmnds *next;
|
---|
2728 | dim_long tag;
|
---|
2729 | int size;
|
---|
2730 | int buffer[1];
|
---|
2731 | } DIS_CMND;
|
---|
2732 |
|
---|
2733 | static DIS_CMND *Cmnds_head = (DIS_CMND *)0;
|
---|
2734 |
|
---|
2735 | void std_cmnd_handler(dim_long *tag, int *cmnd_buff, int *size)
|
---|
2736 | {
|
---|
2737 | register DIS_CMND *new_cmnd;
|
---|
2738 | /* queue the command */
|
---|
2739 |
|
---|
2740 | if(!Cmnds_head)
|
---|
2741 | {
|
---|
2742 | Cmnds_head = (DIS_CMND *)malloc(sizeof(DIS_CMND));
|
---|
2743 | sll_init((SLL *) Cmnds_head);
|
---|
2744 | }
|
---|
2745 | new_cmnd = (DIS_CMND *)malloc((size_t)((*size)+12));
|
---|
2746 | new_cmnd->next = 0;
|
---|
2747 | new_cmnd->tag = *tag;
|
---|
2748 | new_cmnd->size = *size;
|
---|
2749 | memcpy(new_cmnd->buffer, cmnd_buff, (size_t)*size);
|
---|
2750 | sll_insert_queue((SLL *) Cmnds_head, (SLL *) new_cmnd);
|
---|
2751 | }
|
---|
2752 |
|
---|
2753 | int dis_get_next_cmnd(dim_long *tag, int *buffer, int *size)
|
---|
2754 | {
|
---|
2755 | register DIS_CMND *cmndp;
|
---|
2756 | register int ret_val = -1;
|
---|
2757 |
|
---|
2758 | DISABLE_AST
|
---|
2759 | if(!Cmnds_head)
|
---|
2760 | {
|
---|
2761 | Cmnds_head = (DIS_CMND *)malloc(sizeof(DIS_CMND));
|
---|
2762 | sll_init((SLL *) Cmnds_head);
|
---|
2763 | }
|
---|
2764 | if(*size == 0)
|
---|
2765 | {
|
---|
2766 | if( (cmndp = (DIS_CMND *) sll_get_head((SLL *) Cmnds_head)))
|
---|
2767 | {
|
---|
2768 | if(cmndp->size > 0)
|
---|
2769 | {
|
---|
2770 | *size = cmndp->size;
|
---|
2771 | *tag = cmndp->tag;
|
---|
2772 | ENABLE_AST
|
---|
2773 | return(-1);
|
---|
2774 | }
|
---|
2775 | }
|
---|
2776 | }
|
---|
2777 | if( (cmndp = (DIS_CMND *) sll_remove_head((SLL *) Cmnds_head)) )
|
---|
2778 | {
|
---|
2779 | if (*size >= cmndp->size)
|
---|
2780 | {
|
---|
2781 | *size = cmndp->size;
|
---|
2782 | ret_val = 1;
|
---|
2783 | }
|
---|
2784 | memcpy(buffer, cmndp->buffer, (size_t)*size);
|
---|
2785 | *tag = cmndp->tag;
|
---|
2786 | free(cmndp);
|
---|
2787 | ENABLE_AST
|
---|
2788 | return(ret_val);
|
---|
2789 | }
|
---|
2790 | ENABLE_AST
|
---|
2791 | return(0);
|
---|
2792 | }
|
---|
2793 |
|
---|
2794 | int dis_get_conn_id()
|
---|
2795 | {
|
---|
2796 | return(Curr_conn_id);
|
---|
2797 | }
|
---|
2798 |
|
---|
2799 | int dis_get_client(char *name)
|
---|
2800 | {
|
---|
2801 | int ret = 0;
|
---|
2802 | char node[MAX_NODE_NAME], task[MAX_TASK_NAME];
|
---|
2803 |
|
---|
2804 | DISABLE_AST
|
---|
2805 |
|
---|
2806 | if(Curr_conn_id)
|
---|
2807 | {
|
---|
2808 | dna_get_node_task(Curr_conn_id, node, task);
|
---|
2809 | strcpy(name,task);
|
---|
2810 | strcat(name,"@");
|
---|
2811 | strcat(name,node);
|
---|
2812 | ret = Curr_conn_id;
|
---|
2813 | }
|
---|
2814 | ENABLE_AST
|
---|
2815 | return(ret);
|
---|
2816 | }
|
---|
2817 |
|
---|
2818 | #ifdef VMS
|
---|
2819 | dis_convert_str(c_str, for_str)
|
---|
2820 | char *c_str;
|
---|
2821 | struct dsc$descriptor_s *for_str;
|
---|
2822 | {
|
---|
2823 | int i;
|
---|
2824 |
|
---|
2825 | strcpy(for_str->dsc$a_pointer, c_str);
|
---|
2826 | for(i = (int)strlen(c_str); i< for_str->dsc$w_length; i++)
|
---|
2827 | for_str->dsc$a_pointer[i] = ' ';
|
---|
2828 | }
|
---|
2829 | #endif
|
---|
2830 |
|
---|
2831 | void client_info(dim_long *tag, int **bufp, int *size, int *first_time)
|
---|
2832 | {
|
---|
2833 | register CLIENT *clip;
|
---|
2834 | int curr_conns[MAX_CONNS];
|
---|
2835 | int i, index, max_size;
|
---|
2836 | static int curr_allocated_size = 0;
|
---|
2837 | static char *dns_info_buffer;
|
---|
2838 | register char *dns_client_info;
|
---|
2839 | char node[MAX_NODE_NAME], task[MAX_TASK_NAME];
|
---|
2840 | DIS_DNS_CONN *dnsp = (DIS_DNS_CONN *)*tag;
|
---|
2841 |
|
---|
2842 | max_size = sizeof(DNS_CLIENT_INFO);
|
---|
2843 | if(!curr_allocated_size)
|
---|
2844 | {
|
---|
2845 | dns_info_buffer = malloc((size_t)max_size);
|
---|
2846 | curr_allocated_size = max_size;
|
---|
2847 | }
|
---|
2848 | dns_client_info = dns_info_buffer;
|
---|
2849 | dns_client_info[0] = '\0';
|
---|
2850 | index = 0;
|
---|
2851 | if(*first_time)
|
---|
2852 | {
|
---|
2853 | clip = Client_head;
|
---|
2854 | while( (clip = (CLIENT *)dll_get_next( (DLL *) Client_head,
|
---|
2855 | (DLL*) clip)) )
|
---|
2856 | {
|
---|
2857 | if(clip->dnsp != dnsp)
|
---|
2858 | continue;
|
---|
2859 | curr_conns[index++] = clip->conn_id;
|
---|
2860 | }
|
---|
2861 | max_size = (index+1)*(int)sizeof(DNS_CLIENT_INFO);
|
---|
2862 | if (max_size > curr_allocated_size)
|
---|
2863 | {
|
---|
2864 | free(dns_info_buffer);
|
---|
2865 | dns_info_buffer = malloc((size_t)max_size);
|
---|
2866 | curr_allocated_size = max_size;
|
---|
2867 | }
|
---|
2868 | dns_client_info = dns_info_buffer;
|
---|
2869 | dns_client_info[0] = '\0';
|
---|
2870 | }
|
---|
2871 | else
|
---|
2872 | {
|
---|
2873 | if(Last_client > 0)
|
---|
2874 | {
|
---|
2875 | strcat(dns_client_info,"+");
|
---|
2876 | curr_conns[index++] = Last_client;
|
---|
2877 | }
|
---|
2878 | else
|
---|
2879 | {
|
---|
2880 | strcat(dns_client_info,"-");
|
---|
2881 | curr_conns[index++] = -Last_client;
|
---|
2882 | }
|
---|
2883 | }
|
---|
2884 |
|
---|
2885 | for(i=0; i<index;i++)
|
---|
2886 | {
|
---|
2887 | dna_get_node_task(curr_conns[i], node, task);
|
---|
2888 | strcat(dns_client_info,task);
|
---|
2889 | strcat(dns_client_info,"@");
|
---|
2890 | strcat(dns_client_info,node);
|
---|
2891 | strcat(dns_client_info,"|");
|
---|
2892 | }
|
---|
2893 | if(index)
|
---|
2894 | dns_client_info[(int)strlen(dns_client_info)-1] = '\0';
|
---|
2895 | *bufp = (int *)dns_info_buffer;
|
---|
2896 | *size = (int)strlen(dns_info_buffer)+1;
|
---|
2897 | }
|
---|
2898 |
|
---|
2899 | void append_service(char *service_info_buffer, SERVICE *servp)
|
---|
2900 | {
|
---|
2901 | char name[MAX_NAME], *ptr;
|
---|
2902 |
|
---|
2903 | if(strstr(servp->name,"/RpcIn"))
|
---|
2904 | {
|
---|
2905 | strcpy(name,servp->name);
|
---|
2906 | ptr = (char *)strstr(name,"/RpcIn");
|
---|
2907 | *ptr = 0;
|
---|
2908 | strcat(service_info_buffer, name);
|
---|
2909 | strcat(service_info_buffer, "|");
|
---|
2910 | if(servp->def[0])
|
---|
2911 | {
|
---|
2912 | strcat(service_info_buffer, servp->def);
|
---|
2913 | }
|
---|
2914 | strcat(name,"/RpcOut");
|
---|
2915 | if( (servp = find_service(name)) )
|
---|
2916 | {
|
---|
2917 | strcat(service_info_buffer, ",");
|
---|
2918 | if(servp->def[0])
|
---|
2919 | {
|
---|
2920 | strcat(service_info_buffer, servp->def);
|
---|
2921 | }
|
---|
2922 | }
|
---|
2923 | strcat(service_info_buffer, "|RPC");
|
---|
2924 | strcat(service_info_buffer, "\n");
|
---|
2925 | }
|
---|
2926 | else if(strstr(servp->name,"/RpcOut"))
|
---|
2927 | {
|
---|
2928 | /*
|
---|
2929 | if(servp->def[0])
|
---|
2930 | {
|
---|
2931 | strcat(service_info_buffer, servp->def);
|
---|
2932 | }
|
---|
2933 | strcat(service_info_buffer, "|RPC");
|
---|
2934 | strcat(service_info_buffer, "\n");
|
---|
2935 |
|
---|
2936 | */
|
---|
2937 | }
|
---|
2938 | else
|
---|
2939 | {
|
---|
2940 | strcat(service_info_buffer, servp->name);
|
---|
2941 | strcat(service_info_buffer, "|");
|
---|
2942 | if(servp->def[0])
|
---|
2943 | {
|
---|
2944 | strcat(service_info_buffer, servp->def);
|
---|
2945 | }
|
---|
2946 | strcat(service_info_buffer, "|");
|
---|
2947 | if(servp->type == COMMAND)
|
---|
2948 | {
|
---|
2949 | strcat(service_info_buffer, "CMD");
|
---|
2950 | }
|
---|
2951 | strcat(service_info_buffer, "\n");
|
---|
2952 | }
|
---|
2953 | }
|
---|
2954 |
|
---|
2955 | void service_info(dim_long *tag, int **bufp, int *size, int *first_time)
|
---|
2956 | {
|
---|
2957 | register SERVICE *servp;
|
---|
2958 | int max_size, done = 0;
|
---|
2959 | static int curr_allocated_size = 0;
|
---|
2960 | static char *service_info_buffer;
|
---|
2961 | char *buff_ptr;
|
---|
2962 | DIS_DNS_CONN *dnsp = (DIS_DNS_CONN *)*tag;
|
---|
2963 | int hash_index;
|
---|
2964 |
|
---|
2965 | DISABLE_AST
|
---|
2966 | max_size = (dnsp->dis_n_services+10) * (MAX_NAME*2 + 4);
|
---|
2967 | if(!curr_allocated_size)
|
---|
2968 | {
|
---|
2969 | service_info_buffer = (char *)malloc((size_t)max_size);
|
---|
2970 | curr_allocated_size = max_size;
|
---|
2971 | }
|
---|
2972 | else if (max_size > curr_allocated_size)
|
---|
2973 | {
|
---|
2974 | free(service_info_buffer);
|
---|
2975 | service_info_buffer = (char *)malloc((size_t)max_size);
|
---|
2976 | curr_allocated_size = max_size;
|
---|
2977 | }
|
---|
2978 | service_info_buffer[0] = '\0';
|
---|
2979 | buff_ptr = service_info_buffer;
|
---|
2980 | servp = 0;
|
---|
2981 | hash_index = -1;
|
---|
2982 | if(*first_time)
|
---|
2983 | {
|
---|
2984 | while( (servp = dis_hash_service_get_next(&hash_index, servp, 0)) )
|
---|
2985 | {
|
---|
2986 | if(servp->dnsp != dnsp)
|
---|
2987 | continue;
|
---|
2988 | if(servp->registered)
|
---|
2989 | {
|
---|
2990 | /*
|
---|
2991 | servp->registered = 2;
|
---|
2992 | */
|
---|
2993 | if((dnsp->updating_service_list) && (Last_n_clients > 1) &&
|
---|
2994 | (servp->registered == 1))
|
---|
2995 | continue;
|
---|
2996 | servp->registered = Last_n_clients+1;
|
---|
2997 | append_service(buff_ptr, servp);
|
---|
2998 | buff_ptr += (int)strlen(buff_ptr);
|
---|
2999 | }
|
---|
3000 | }
|
---|
3001 | }
|
---|
3002 | else
|
---|
3003 | {
|
---|
3004 | while( (servp = dis_hash_service_get_next(&hash_index, servp, 0)) )
|
---|
3005 | {
|
---|
3006 | if(servp->dnsp != dnsp)
|
---|
3007 | continue;
|
---|
3008 | /*
|
---|
3009 | if(servp->registered == 1)
|
---|
3010 | */
|
---|
3011 | if(servp->registered == 0)
|
---|
3012 | {
|
---|
3013 | strcat(buff_ptr, "-");
|
---|
3014 | buff_ptr += (int)strlen(buff_ptr);
|
---|
3015 | append_service(buff_ptr, servp);
|
---|
3016 | buff_ptr += (int)strlen(buff_ptr);
|
---|
3017 | }
|
---|
3018 | else if(servp->registered < (Last_n_clients+1))
|
---|
3019 | {
|
---|
3020 | if(!done)
|
---|
3021 | {
|
---|
3022 | strcat(buff_ptr, "+");
|
---|
3023 | buff_ptr += (int)strlen(buff_ptr);
|
---|
3024 | done = 1;
|
---|
3025 | }
|
---|
3026 | append_service(buff_ptr, servp);
|
---|
3027 | buff_ptr += (int)strlen(buff_ptr);
|
---|
3028 | /*
|
---|
3029 | servp->registered = 2;
|
---|
3030 | */
|
---|
3031 | servp->registered++;
|
---|
3032 | }
|
---|
3033 | }
|
---|
3034 | }
|
---|
3035 | *bufp = (int *)service_info_buffer;
|
---|
3036 | *size = (int)(buff_ptr - service_info_buffer+1);
|
---|
3037 | if(*size == 1)
|
---|
3038 | *size = -1;
|
---|
3039 | ENABLE_AST
|
---|
3040 | }
|
---|
3041 |
|
---|
3042 | static void add_exit_handler_item(int conn_id, int tag)
|
---|
3043 | {
|
---|
3044 | EXIT_H *newp;
|
---|
3045 |
|
---|
3046 | DISABLE_AST
|
---|
3047 | if(!Exit_h_head)
|
---|
3048 | {
|
---|
3049 | Exit_h_head = (EXIT_H *)malloc(sizeof(EXIT_H));
|
---|
3050 | sll_init( (SLL *) Exit_h_head );
|
---|
3051 | }
|
---|
3052 | if( (newp = (EXIT_H *)sll_search((SLL *) Exit_h_head,
|
---|
3053 | (char *)&conn_id, 4)) )
|
---|
3054 | {
|
---|
3055 | newp->conn_id = conn_id;
|
---|
3056 | newp->exit_id = tag;
|
---|
3057 | strcpy(newp->node, Net_conns[conn_id].node);
|
---|
3058 | strcpy(newp->task, Net_conns[conn_id].task);
|
---|
3059 | }
|
---|
3060 | else
|
---|
3061 | {
|
---|
3062 | newp = (EXIT_H *)malloc(sizeof(EXIT_H));
|
---|
3063 | newp->conn_id = conn_id;
|
---|
3064 | newp->exit_id = tag;
|
---|
3065 | strcpy(newp->node, Net_conns[conn_id].node);
|
---|
3066 | strcpy(newp->task, Net_conns[conn_id].task);
|
---|
3067 | sll_insert_queue( (SLL *) Exit_h_head, (SLL *) newp );
|
---|
3068 | }
|
---|
3069 | ENABLE_AST
|
---|
3070 | }
|
---|
3071 |
|
---|
3072 | static void rem_exit_handler_item(EXIT_H *exitp)
|
---|
3073 | {
|
---|
3074 |
|
---|
3075 | DISABLE_AST
|
---|
3076 | if(!Exit_h_head)
|
---|
3077 | {
|
---|
3078 | ENABLE_AST
|
---|
3079 | return;
|
---|
3080 | }
|
---|
3081 | sll_remove( (SLL *) Exit_h_head, (SLL *) exitp );
|
---|
3082 | free(exitp);
|
---|
3083 | ENABLE_AST
|
---|
3084 | }
|
---|
3085 |
|
---|
3086 | static EXIT_H *find_exit_handler_item(int conn_id)
|
---|
3087 | {
|
---|
3088 | EXIT_H *exitp;
|
---|
3089 |
|
---|
3090 | DISABLE_AST;
|
---|
3091 | if(!Exit_h_head)
|
---|
3092 | {
|
---|
3093 | ENABLE_AST;
|
---|
3094 | return((EXIT_H *)0);
|
---|
3095 | }
|
---|
3096 | if( (exitp = (EXIT_H *) sll_search((SLL *) Exit_h_head, (char *) &conn_id, 4)) )
|
---|
3097 | {
|
---|
3098 | ENABLE_AST;
|
---|
3099 | return(exitp);
|
---|
3100 | }
|
---|
3101 | ENABLE_AST;
|
---|
3102 | return((EXIT_H *)0);
|
---|
3103 | }
|
---|
3104 |
|
---|
3105 | static int check_exit_handler_item(EXIT_H *exitp, int conn_id)
|
---|
3106 | {
|
---|
3107 | if( (!strcmp(exitp->node, Net_conns[conn_id].node)) &&
|
---|
3108 | (!strcmp(exitp->task, Net_conns[conn_id].task)))
|
---|
3109 | {
|
---|
3110 | return exitp->exit_id;
|
---|
3111 | }
|
---|
3112 | return 0;
|
---|
3113 | }
|
---|
3114 |
|
---|
3115 | void add_exit_handler(int *tag, int *bufp, int *size)
|
---|
3116 | {
|
---|
3117 | EXIT_H *exitp;
|
---|
3118 |
|
---|
3119 | if(size){}
|
---|
3120 | if(tag){}
|
---|
3121 | if(*bufp)
|
---|
3122 | {
|
---|
3123 | add_exit_handler_item(Curr_conn_id, *bufp);
|
---|
3124 | }
|
---|
3125 | else
|
---|
3126 | {
|
---|
3127 | if((exitp = find_exit_handler_item(Curr_conn_id)))
|
---|
3128 | rem_exit_handler_item(exitp);
|
---|
3129 | }
|
---|
3130 | }
|
---|
3131 |
|
---|
3132 | void dis_set_client_exit_handler(int conn_id, int tag)
|
---|
3133 | {
|
---|
3134 | EXIT_H *exitp;
|
---|
3135 |
|
---|
3136 | if(tag)
|
---|
3137 | {
|
---|
3138 | add_exit_handler_item(conn_id, tag);
|
---|
3139 | }
|
---|
3140 | else
|
---|
3141 | {
|
---|
3142 | if((exitp = find_exit_handler_item(conn_id)))
|
---|
3143 | rem_exit_handler_item(exitp);
|
---|
3144 | }
|
---|
3145 | }
|
---|
3146 |
|
---|
3147 |
|
---|
3148 | int do_exit_handler(int conn_id)
|
---|
3149 | {
|
---|
3150 | register EXIT_H *exitp;
|
---|
3151 | int exit_id;
|
---|
3152 |
|
---|
3153 | DISABLE_AST;
|
---|
3154 | if((exitp = find_exit_handler_item(conn_id)))
|
---|
3155 | {
|
---|
3156 | if((exit_id = check_exit_handler_item(exitp, conn_id)))
|
---|
3157 | {
|
---|
3158 | (Client_exit_user_routine)( &exit_id );
|
---|
3159 | }
|
---|
3160 | else
|
---|
3161 | {
|
---|
3162 | rem_exit_handler_item(exitp);
|
---|
3163 | }
|
---|
3164 | }
|
---|
3165 | /*
|
---|
3166 | if(!Exit_h_head)
|
---|
3167 | {
|
---|
3168 | ENABLE_AST;
|
---|
3169 | return(0);
|
---|
3170 | }
|
---|
3171 | while( (exitp = (EXIT_H *) sll_search_next_remove((SLL *) Exit_h_head,
|
---|
3172 | 0, (char *) &conn_id, 4)) )
|
---|
3173 | {
|
---|
3174 | (Client_exit_user_routine)( &exitp->exit_id );
|
---|
3175 | free(exitp);
|
---|
3176 | }
|
---|
3177 | */
|
---|
3178 | ENABLE_AST
|
---|
3179 | return(1);
|
---|
3180 | }
|
---|
3181 |
|
---|
3182 | static void exit_handler(int *tag, int *bufp, int *size)
|
---|
3183 | {
|
---|
3184 |
|
---|
3185 | if(size){}
|
---|
3186 | if(tag){}
|
---|
3187 | if(Exit_user_routine)
|
---|
3188 | (Exit_user_routine)( bufp );
|
---|
3189 | else
|
---|
3190 | {
|
---|
3191 | /*
|
---|
3192 | printf("%s PID %d Exiting!\n", Task_name, getpid());
|
---|
3193 | */
|
---|
3194 | exit(*bufp);
|
---|
3195 | }
|
---|
3196 | }
|
---|
3197 |
|
---|
3198 | static void error_handler(int conn_id, int severity, int errcode, char *reason, int exit)
|
---|
3199 | {
|
---|
3200 | int exit_tag, exit_code, exit_size;
|
---|
3201 | int last_conn_id;
|
---|
3202 |
|
---|
3203 | if(Error_user_routine)
|
---|
3204 | {
|
---|
3205 | Error_conn_id = conn_id;
|
---|
3206 | last_conn_id = Curr_conn_id;
|
---|
3207 | Curr_conn_id = conn_id;
|
---|
3208 | (Error_user_routine)( severity, errcode, reason);
|
---|
3209 | Error_conn_id = 0;
|
---|
3210 | Curr_conn_id = last_conn_id;
|
---|
3211 | }
|
---|
3212 | else
|
---|
3213 | {
|
---|
3214 | dim_print_msg(reason, severity);
|
---|
3215 | }
|
---|
3216 | if(severity == DIM_FATAL)
|
---|
3217 | {
|
---|
3218 | exit_tag = 0;
|
---|
3219 | if(exit == -1)
|
---|
3220 | exit_code = errcode;
|
---|
3221 | else
|
---|
3222 | exit_code = exit;
|
---|
3223 | exit_size = sizeof(int);
|
---|
3224 | exit_handler(&exit_tag, &exit_code, &exit_size);
|
---|
3225 | }
|
---|
3226 | }
|
---|
3227 | /*
|
---|
3228 | #define MAX_HASH_ENTRIES 2000
|
---|
3229 | */
|
---|
3230 | #define MAX_HASH_ENTRIES 5000
|
---|
3231 |
|
---|
3232 | static SERVICE *Service_hash_table[MAX_HASH_ENTRIES];
|
---|
3233 | static int Service_new_entries[MAX_HASH_ENTRIES];
|
---|
3234 |
|
---|
3235 | int dis_hash_service_init()
|
---|
3236 | {
|
---|
3237 |
|
---|
3238 | int i;
|
---|
3239 | static int done = 0;
|
---|
3240 |
|
---|
3241 | if(!done)
|
---|
3242 | {
|
---|
3243 | for( i = 0; i < MAX_HASH_ENTRIES; i++ )
|
---|
3244 | {
|
---|
3245 | /*
|
---|
3246 | Service_hash_table[i] = (SERVICE *) malloc(sizeof(SERVICE));
|
---|
3247 | dll_init((DLL *) Service_hash_table[i]);
|
---|
3248 | */
|
---|
3249 | Service_hash_table[i] = 0;
|
---|
3250 | Service_new_entries[i] = 0;
|
---|
3251 | }
|
---|
3252 | done = 1;
|
---|
3253 | }
|
---|
3254 |
|
---|
3255 | return(1);
|
---|
3256 | }
|
---|
3257 |
|
---|
3258 | int dis_hash_service_insert(SERVICE *servp)
|
---|
3259 | {
|
---|
3260 | int index;
|
---|
3261 | index = HashFunction(servp->name, MAX_HASH_ENTRIES);
|
---|
3262 | if(!Service_hash_table[index])
|
---|
3263 | {
|
---|
3264 | Service_hash_table[index] = (SERVICE *) malloc(sizeof(SERVICE));
|
---|
3265 | dll_init((DLL *) Service_hash_table[index]);
|
---|
3266 | }
|
---|
3267 | Service_new_entries[index]++;
|
---|
3268 | dll_insert_queue((DLL *) Service_hash_table[index],
|
---|
3269 | (DLL *) servp);
|
---|
3270 | return(1);
|
---|
3271 | }
|
---|
3272 |
|
---|
3273 | int dis_hash_service_registered(int index, SERVICE *servp)
|
---|
3274 | {
|
---|
3275 | servp->registered = 1;
|
---|
3276 | Service_new_entries[index]--;
|
---|
3277 | if(Service_new_entries[index] < 0)
|
---|
3278 | Service_new_entries[index] = 0;
|
---|
3279 | return 1;
|
---|
3280 | }
|
---|
3281 |
|
---|
3282 | int dis_hash_service_remove(SERVICE *servp)
|
---|
3283 | {
|
---|
3284 | int index;
|
---|
3285 | index = HashFunction(servp->name, MAX_HASH_ENTRIES);
|
---|
3286 | if(!Service_hash_table[index])
|
---|
3287 | {
|
---|
3288 | return(0);
|
---|
3289 | }
|
---|
3290 | dll_remove( (DLL *) servp );
|
---|
3291 | return(1);
|
---|
3292 | }
|
---|
3293 |
|
---|
3294 |
|
---|
3295 | SERVICE *dis_hash_service_exists(char *name)
|
---|
3296 | {
|
---|
3297 | int index;
|
---|
3298 | SERVICE *servp;
|
---|
3299 |
|
---|
3300 | index = HashFunction(name, MAX_HASH_ENTRIES);
|
---|
3301 | if(!Service_hash_table[index])
|
---|
3302 | {
|
---|
3303 | return((SERVICE *)0);
|
---|
3304 | }
|
---|
3305 | if( (servp = (SERVICE *) dll_search(
|
---|
3306 | (DLL *) Service_hash_table[index],
|
---|
3307 | name, (int)strlen(name)+1)) )
|
---|
3308 | {
|
---|
3309 | return(servp);
|
---|
3310 | }
|
---|
3311 | return((SERVICE *)0);
|
---|
3312 | }
|
---|
3313 |
|
---|
3314 | SERVICE *dis_hash_service_get_next(int *curr_index, SERVICE *prevp, int new_entries)
|
---|
3315 | {
|
---|
3316 | int index;
|
---|
3317 | SERVICE *servp = 0;
|
---|
3318 | /*
|
---|
3319 | if(!prevp)
|
---|
3320 | {
|
---|
3321 | index = -1;
|
---|
3322 | }
|
---|
3323 | */
|
---|
3324 | index = *curr_index;
|
---|
3325 | if(index == -1)
|
---|
3326 | {
|
---|
3327 | index++;
|
---|
3328 | prevp = Service_hash_table[index];
|
---|
3329 | }
|
---|
3330 | if(!prevp)
|
---|
3331 | {
|
---|
3332 | prevp = Service_hash_table[index];
|
---|
3333 | }
|
---|
3334 | do
|
---|
3335 | {
|
---|
3336 | if(prevp)
|
---|
3337 | {
|
---|
3338 | if((!new_entries) || (Service_new_entries[index] > 0))
|
---|
3339 | {
|
---|
3340 | servp = (SERVICE *) dll_get_next(
|
---|
3341 | (DLL *) Service_hash_table[index],
|
---|
3342 | (DLL *) prevp);
|
---|
3343 | if(servp)
|
---|
3344 | break;
|
---|
3345 | }
|
---|
3346 | }
|
---|
3347 | index++;
|
---|
3348 | if(index == MAX_HASH_ENTRIES)
|
---|
3349 | {
|
---|
3350 | *curr_index = -1;
|
---|
3351 | return((SERVICE *) 0);
|
---|
3352 | }
|
---|
3353 | prevp = Service_hash_table[index];
|
---|
3354 | } while(!servp);
|
---|
3355 | *curr_index = index;
|
---|
3356 | return(servp);
|
---|
3357 | }
|
---|
3358 |
|
---|
3359 | DIS_DNS_CONN *dis_find_dns(dim_long dnsid)
|
---|
3360 | {
|
---|
3361 | DIS_DNS_CONN *dnsp;
|
---|
3362 |
|
---|
3363 | dnsp = (DIS_DNS_CONN *)
|
---|
3364 | dll_search( (DLL *) DNS_head, &dnsid, sizeof(dnsid));
|
---|
3365 | /*
|
---|
3366 | if(!dnsp)
|
---|
3367 | {
|
---|
3368 | dnsp = create_dns(dnsid);
|
---|
3369 | }
|
---|
3370 | */
|
---|
3371 | return dnsp;
|
---|
3372 | }
|
---|
3373 |
|
---|
3374 | int dis_no_dns()
|
---|
3375 | {
|
---|
3376 | DIS_DNS_CONN *dnsp;
|
---|
3377 |
|
---|
3378 | dnsp = (DIS_DNS_CONN *) DNS_head;
|
---|
3379 | while ( (dnsp = (DIS_DNS_CONN *) dll_get_next( (DLL *) DNS_head, (DLL *) dnsp)))
|
---|
3380 | {
|
---|
3381 | /*
|
---|
3382 | if(dnsp != Default_DNS)
|
---|
3383 | return 0;
|
---|
3384 | */
|
---|
3385 | if(dnsp->serving)
|
---|
3386 | return 0;
|
---|
3387 | }
|
---|
3388 | return 1;
|
---|
3389 | }
|
---|
3390 |
|
---|
3391 | DIS_DNS_CONN *find_dns_by_conn_id(int conn_id)
|
---|
3392 | {
|
---|
3393 | DIS_DNS_CONN *dnsp;
|
---|
3394 | extern dim_long dns_get_dnsid();
|
---|
3395 | dim_long dnsid;
|
---|
3396 |
|
---|
3397 | dnsid = dns_get_dnsid(conn_id, SRC_DIS);
|
---|
3398 | dnsp = dis_find_dns(dnsid);
|
---|
3399 | if(!dnsp)
|
---|
3400 | dnsp = Default_DNS;
|
---|
3401 | return (DIS_DNS_CONN *)dnsp;
|
---|
3402 | }
|
---|
3403 |
|
---|
3404 | void dis_print_hash_table()
|
---|
3405 | {
|
---|
3406 | SERVICE *servp;
|
---|
3407 | int i;
|
---|
3408 | int n_entries, max_entry_index = 0;
|
---|
3409 | int max_entries = 0;
|
---|
3410 |
|
---|
3411 | for( i = 0; i < MAX_HASH_ENTRIES; i++ )
|
---|
3412 | {
|
---|
3413 | n_entries = 0;
|
---|
3414 | servp = Service_hash_table[i];
|
---|
3415 | while( (servp = (SERVICE *) dll_get_next(
|
---|
3416 | (DLL *) Service_hash_table[i],
|
---|
3417 | (DLL *) servp)) )
|
---|
3418 | {
|
---|
3419 | n_entries++;
|
---|
3420 | if(n_entries == 1)
|
---|
3421 | printf(" Name = %s\n",servp->name);
|
---|
3422 | }
|
---|
3423 | if(n_entries != 0)
|
---|
3424 | printf("HASH[%d] - %d entries\n", i, n_entries);
|
---|
3425 | if(n_entries > max_entries)
|
---|
3426 | {
|
---|
3427 | max_entries = n_entries;
|
---|
3428 | max_entry_index = i;
|
---|
3429 | }
|
---|
3430 | }
|
---|
3431 | printf("Maximum : HASH[%d] - %d entries\n", max_entry_index, max_entries);
|
---|
3432 | fflush(stdout);
|
---|
3433 | }
|
---|
3434 |
|
---|
3435 | void dis_hash_print()
|
---|
3436 | {
|
---|
3437 | SERVICE *servp;
|
---|
3438 | int hash_index;
|
---|
3439 |
|
---|
3440 | servp = 0;
|
---|
3441 | hash_index = -1;
|
---|
3442 | while( (servp = dis_hash_service_get_next(&hash_index, servp, 0)) )
|
---|
3443 | {
|
---|
3444 | printf("Name = %s\n",servp->name);
|
---|
3445 | }
|
---|
3446 | }
|
---|
3447 |
|
---|
3448 | #ifdef VMS
|
---|
3449 | /* CFORTRAN WRAPPERS */
|
---|
3450 | FCALLSCFUN1(INT, dis_start_serving, DIS_START_SERVING, dis_start_serving,
|
---|
3451 | STRING)
|
---|
3452 | FCALLSCFUN3(INT, dis_get_next_cmnd, DIS_GET_NEXT_CMND, dis_get_next_cmnd,
|
---|
3453 | PINT, PVOID, PINT)
|
---|
3454 | FCALLSCFUN1(INT, dis_get_client, DIS_GET_CLIENT, dis_get_client,
|
---|
3455 | PSTRING)
|
---|
3456 | FCALLSCFUN6(INT, dis_add_service, DIS_ADD_SERVICE, dis_add_service,
|
---|
3457 | STRING, PVOID, PVOID, INT, PVOID, INT)
|
---|
3458 | FCALLSCSUB4( dis_add_cmnd, DIS_ADD_CMND, dis_add_cmnd,
|
---|
3459 | STRING, PVOID, PVOID, INT)
|
---|
3460 | FCALLSCSUB1( dis_add_client_exit_handler, DIS_ADD_CLIENT_EXIT_HANDLER,
|
---|
3461 | dis_add_client_exit_handler,
|
---|
3462 | PVOID)
|
---|
3463 | FCALLSCSUB2( dis_set_client_exit_handler, DIS_SET_CLIENT_EXIT_HANDLER,
|
---|
3464 | dis_set_client_exit_handler,
|
---|
3465 | INT, INT)
|
---|
3466 | FCALLSCSUB1( dis_add_exit_handler, DIS_ADD_EXIT_HANDLER,
|
---|
3467 | dis_add_exit_handler,
|
---|
3468 | PVOID)
|
---|
3469 | FCALLSCSUB1( dis_report_service, DIS_REPORT_SERVICE, dis_report_service,
|
---|
3470 | STRING)
|
---|
3471 | FCALLSCSUB2( dis_convert_str, DIS_CONVERT_STR, dis_convert_str,
|
---|
3472 | PVOID, PVOID)
|
---|
3473 | FCALLSCFUN1(INT, dis_update_service, DIS_UPDATE_SERVICE, dis_update_service,
|
---|
3474 | INT)
|
---|
3475 | FCALLSCFUN1(INT, dis_remove_service, DIS_REMOVE_SERVICE, dis_remove_service,
|
---|
3476 | INT)
|
---|
3477 | FCALLSCSUB3( dis_send_service, DIS_SEND_SERVICE, dis_send_service,
|
---|
3478 | INT, PVOID, INT)
|
---|
3479 | FCALLSCSUB2( dis_set_quality, DIS_SET_QUALITY, dis_set_quality,
|
---|
3480 | INT, INT)
|
---|
3481 | FCALLSCSUB3(INT, dis_set_timestamp, DIS_SET_TIMESTAMP, dis_set_timestamp,
|
---|
3482 | INT, INT, INT)
|
---|
3483 | FCALLSCFUN2(INT, dis_selective_update_service, DIS_SELECTIVE_UPDATE_SERVICE,
|
---|
3484 | dis_selective_update_service,
|
---|
3485 | INT, PINT)
|
---|
3486 | FCALLSCSUB3(INT, dis_get_timestamp, DIS_GET_TIMESTAMP, dis_get_timestamp,
|
---|
3487 | INT, PINT, PINT)
|
---|
3488 | #endif
|
---|