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