source: branches/FACT++_lidctrl_usb/dim/src/util/dimbridge.cxx

Last change on this file was 11071, checked in by tbretz, 13 years ago
Replaced v19r21 by a version extracted with 'unzip -a' to get proper unix text format.
File size: 7.4 KB
Line 
1#include <dic.hxx>
2#include <dis.hxx>
3#include <dim.h>
4#include <iostream>
5using namespace std;
6
7static int no_link = 0xdeaddead;
8static char from_node[64], to_node[64], bridge_name[64];
9
10class BridgeService: public DimInfo, public SLLItem
11{
12 char srv_name[256];
13 char srv_format[256];
14 int declared;
15 DimService *srv;
16 void *srv_data, *data;
17 int srv_size;
18 int cmnd;
19 int found;
20 int copyFlag;
21
22 void infoHandler() {
23 char *server;
24 data = DimInfo::getData();
25 srv_size = DimInfo::getSize();
26
27// Sometimes gets a packet from DIS_DNS not understood why!!!"
28 server = DimClient::getServerName();
29 if(strstr(server,"DIS_DNS") != 0)
30 {
31dim_print_date_time();
32cout << "received from " << server << " size = " << srv_size << endl;
33 if(strstr(srv_name,"DIS_DNS") == 0)
34 return;
35 }
36 srv_data = data;
37 if(*(int *)srv_data == no_link)
38 {
39 if(srv)
40 {
41 delete(srv);
42 srv = 0;
43 }
44 declared = 0;
45// cout << "Disconnecting bridge for: " << srv_name << endl;
46 }
47 else if(!declared)
48 {
49// DimServer::setDnsNode(to_node);
50 srv = new DimService(srv_name, srv_format, srv_data, srv_size);
51 if(copyFlag)
52 srv->setData(srv_data, srv_size);
53 DimServer::start(bridge_name);
54 declared = 1;
55// DimClient::setDnsNode(from_node);
56 }
57 else
58 {
59 if(srv)
60 {
61 if(copyFlag)
62 {
63 srv->setData(srv_data, srv_size);
64 srv->updateService();
65 }
66 else
67 {
68 srv->updateService(srv_data, srv_size);
69 }
70 }
71 }
72 }
73
74 public:
75 BridgeService(char *name, char *format, int copy):
76 DimInfo(name, &no_link, sizeof(no_link)), declared(0), srv(0), copyFlag(copy)
77 {
78 strcpy(srv_format, format);
79 strcpy(srv_name, name);
80 cmnd = 0;
81 found = 1;
82// cout << "Bridging Service: " << name << endl;
83 }
84 BridgeService(char *name, char *format, int rate, int copy):
85 DimInfo(name, rate, &no_link, sizeof(no_link)), declared(0), srv(0), copyFlag(copy)
86 {
87 strcpy(srv_format, format);
88 strcpy(srv_name, name);
89 cmnd = 0;
90 found = 1;
91// cout << "Bridging Service: " << name << ", rate = " << rate << " seconds" << endl;
92 }
93 ~BridgeService()
94 {
95 if(declared)
96 {
97 if(srv)
98 {
99 delete(srv);
100 srv = 0;
101 }
102 }
103 declared = 0;
104// cout << "Stopped bridge for: " << srv_name << endl;
105 }
106 char *getName() { return srv_name; };
107 void clear() { found = 0;};
108 void set() {found = 1;};
109 int find() {return found;};
110 int isCmnd() { return cmnd;};
111};
112
113class BridgeCommand: public DimCommand, public SLLItem
114{
115 char srv_name[256];
116 char srv_format[256];
117 int declared;
118 DimService *srv;
119 void *srv_data;
120 int srv_size;
121 int cmnd;
122 int found;
123
124 void commandHandler() {
125 srv_data = DimCommand::getData();
126 srv_size = DimCommand::getSize();
127 DimClient::sendCommandNB(srv_name, srv_data, srv_size);
128 }
129
130 public:
131 BridgeCommand(char *name, char *format):
132 DimCommand(name, format)
133 {
134 DimServer::start(bridge_name);
135 cmnd = 1;
136 found = 1;
137 strcpy(srv_name, name);
138// cout << "Bridging Command: " << name << endl;
139 }
140 char *getName() { return srv_name; };
141 void clear() { found = 0;};
142 void set() {found = 1;};
143 int find() {return found;};
144 int isCmnd() { return cmnd;};
145};
146
147void print_usage()
148{
149 cout << "Usage: DimBridge [from_node] to_node services [time_interval] [-copy]" << endl;
150 cout << " from_node - by default DIM_DNS_NODE" << endl;
151 cout << " to_node - the complete node name of the new DNS" << endl;
152 cout << " services - the list of service names (wildcards allowed)" << endl;
153 cout << " time_interval - the interval in seconds to be used for updating the services" << endl;
154 cout << " -copy - copy internally the service data" << endl;
155}
156
157int main(int argc, char **argv)
158{
159char services[132];
160DimBrowser dbr;
161char *service, *format, *p;
162int type, known;
163BridgeService *ptrs, *aux_ptrs;
164BridgeCommand *ptrc, *aux_ptrc;
165SLList lists, listc;
166int rate = 0;
167int copyFlag = 0;
168
169//dic_set_debug_on();
170 if(argc < 3)
171 {
172 print_usage();
173 return 0;
174 }
175 else if( argc == 3)
176 {
177 strcpy(from_node, DimClient::getDnsNode());
178 strcpy(to_node, argv[1]);
179 strcpy(services, argv[2]);
180 }
181 else if (argc == 4)
182 {
183 if(sscanf(argv[3],"%d", &rate))
184 {
185 strcpy(from_node, DimClient::getDnsNode());
186 strcpy(to_node, argv[1]);
187 strcpy(services, argv[2]);
188 }
189 else if(argv[3][0] == '-')
190 {
191 rate = 0;
192 strcpy(from_node, DimClient::getDnsNode());
193 strcpy(to_node, argv[1]);
194 strcpy(services, argv[2]);
195 copyFlag = 1;
196 }
197 else
198 {
199 rate = 0;
200 strcpy(from_node, argv[1]);
201 strcpy(to_node, argv[2]);
202 strcpy(services, argv[3]);
203 }
204 }
205 else if(argc == 5)
206 {
207 if(sscanf(argv[4],"%d", &rate))
208 {
209 strcpy(from_node, argv[1]);
210 strcpy(to_node, argv[2]);
211 strcpy(services, argv[3]);
212 }
213 else if(argv[4][0] == '-')
214 {
215 copyFlag = 1;
216 if(sscanf(argv[3],"%d", &rate))
217 {
218 strcpy(from_node, DimClient::getDnsNode());
219 strcpy(to_node, argv[1]);
220 strcpy(services, argv[2]);
221 }
222 else
223 {
224 rate = 0;
225 strcpy(from_node, argv[1]);
226 strcpy(to_node, argv[2]);
227 strcpy(services, argv[3]);
228 }
229 }
230 }
231 else if(argc == 6)
232 {
233 strcpy(from_node, argv[1]);
234 strcpy(to_node, argv[2]);
235 strcpy(services, argv[3]);
236 sscanf(argv[4],"%d", &rate);
237 copyFlag = 1;
238 }
239 else
240 {
241 cout << "Bad parameters" << endl;
242 return 0;
243 }
244
245 cout << "Starting DimBridge from "<<from_node<<" to "<<to_node<<" for "<< services;
246 if(rate)
247 cout << " interval=" << rate;
248 if(copyFlag)
249 cout << " (internal data copy)";
250 cout << endl;
251
252 strcpy(bridge_name,"Bridge_");
253 strcat(bridge_name, from_node);
254 if( (p = strchr(bridge_name,'.')) )
255 *p = '\0';
256#ifndef WIN32
257 sprintf(p,"_%d",getpid());
258#else
259 sprintf(p,"_%d",_getpid());
260#endif
261 DimClient::setDnsNode(from_node);
262 DimServer::setDnsNode(to_node);
263 while(1)
264 {
265 ptrs = (BridgeService *)lists.getHead();
266 while(ptrs)
267 {
268 ptrs->clear();
269 ptrs = (BridgeService *)lists.getNext();
270 }
271 ptrc = (BridgeCommand *)listc.getHead();
272 while(ptrc)
273 {
274 ptrc->clear();
275 ptrc = (BridgeCommand *)listc.getNext();
276 }
277 dbr.getServices(services);
278 while( (type = dbr.getNextService(service, format)) )
279 {
280 known = 0;
281 ptrs = (BridgeService *)lists.getHead();
282 while(ptrs)
283 {
284 if(!strcmp(ptrs->getName(), service))
285 {
286 known = 1;
287 ptrs->set();
288 break;
289 }
290 ptrs = (BridgeService *)lists.getNext();
291 }
292 ptrc = (BridgeCommand *)listc.getHead();
293 while(ptrc)
294 {
295 if(!strcmp(ptrc->getName(), service))
296 {
297 known = 1;
298 ptrc->set();
299 break;
300 }
301 ptrc = (BridgeCommand *)listc.getNext();
302 }
303 if(strstr(service,"DIS_DNS"))
304 known = 1;
305 if(!known)
306 {
307 if(type == DimSERVICE)
308 {
309 if(!rate)
310 ptrs = new BridgeService(service, format, copyFlag);
311 else
312 ptrs = new BridgeService(service, format, rate, copyFlag);
313 lists.add(ptrs);
314 }
315 else if (type == DimCOMMAND)
316 {
317// DimClient::setDnsNode(to_node);
318 ptrc = new BridgeCommand(service, format);
319 listc.add(ptrc);
320// DimClient::setDnsNode(from_node);
321 }
322 }
323 }
324 ptrs = (BridgeService *)lists.getHead();
325 while(ptrs)
326 {
327 aux_ptrs = 0;
328 if(!ptrs->find())
329 {
330 lists.remove(ptrs);
331 aux_ptrs = ptrs;
332 }
333 ptrs = (BridgeService *)lists.getNext();
334 if(aux_ptrs)
335 {
336 delete aux_ptrs;
337 }
338 }
339 ptrc = (BridgeCommand *)listc.getHead();
340 while(ptrc)
341 {
342 aux_ptrc = 0;
343 if(!ptrc->find())
344 {
345 listc.remove(ptrc);
346 aux_ptrc = ptrc;
347 }
348 ptrc = (BridgeCommand *)listc.getNext();
349 if(aux_ptrc)
350 {
351 delete aux_ptrc;
352 }
353 }
354 sleep(5);
355 }
356 return 1;
357}
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