1 | //clients.c: |
---|
2 | |
---|
3 | #include "roard.h" |
---|
4 | |
---|
5 | int clients_init (void) { |
---|
6 | int i; |
---|
7 | |
---|
8 | for (i = 0; i < ROAR_CLIENTS_MAX; i++) |
---|
9 | g_clients[i] = NULL; |
---|
10 | |
---|
11 | return 0; |
---|
12 | } |
---|
13 | |
---|
14 | int clients_free (void) { |
---|
15 | int i; |
---|
16 | |
---|
17 | for (i = 0; i < ROAR_CLIENTS_MAX; i++) |
---|
18 | if ( g_clients[i] ) |
---|
19 | clients_delete(i); |
---|
20 | |
---|
21 | return 0; |
---|
22 | } |
---|
23 | |
---|
24 | int clients_new (void) { |
---|
25 | int i; |
---|
26 | int s; |
---|
27 | struct roar_client * n; |
---|
28 | |
---|
29 | for (i = 0; i < ROAR_CLIENTS_MAX; i++) { |
---|
30 | if ( g_clients[i] == NULL ) { |
---|
31 | n = malloc(sizeof(struct roar_client)); |
---|
32 | if ( n != NULL ) { |
---|
33 | n->pid = -1; |
---|
34 | n->uid = -1; |
---|
35 | n->gid = -1; |
---|
36 | n->fh = -1; |
---|
37 | |
---|
38 | *n->name = 0; |
---|
39 | *n->host = 0; |
---|
40 | |
---|
41 | n->acl = NULL; |
---|
42 | |
---|
43 | n->execed = -1; |
---|
44 | for (s = 0; s < ROAR_CLIENTS_MAX_STREAMS_PER_CLIENT; s++) |
---|
45 | n->streams[s] = -1; |
---|
46 | |
---|
47 | g_clients[i] = n; |
---|
48 | |
---|
49 | ROAR_DBG("clients_new(void) = %i", i); |
---|
50 | return i; |
---|
51 | } else { |
---|
52 | ROAR_ERR("clients_new(void): Can not alloc memory for new client: %s", strerror(errno)); |
---|
53 | ROAR_ERR("clients_new(void) = -1"); |
---|
54 | return -1; |
---|
55 | } |
---|
56 | } |
---|
57 | } |
---|
58 | |
---|
59 | return -1; |
---|
60 | } |
---|
61 | |
---|
62 | int clients_delete (int id) { |
---|
63 | int i; |
---|
64 | |
---|
65 | if ( g_clients[id] == NULL ) |
---|
66 | return -1; |
---|
67 | |
---|
68 | if (g_clients[id]->execed != -1) { |
---|
69 | // return streams_delete(g_clients[id]->execed); |
---|
70 | g_clients[id]->execed = -1; |
---|
71 | } |
---|
72 | |
---|
73 | for (i = 0; i < ROAR_CLIENTS_MAX_STREAMS_PER_CLIENT; i++) { |
---|
74 | streams_delete(g_clients[id]->streams[i]); |
---|
75 | } |
---|
76 | |
---|
77 | if ( g_clients[id]->fh != -1 ) |
---|
78 | close(g_clients[id]->fh); |
---|
79 | |
---|
80 | free(g_clients[id]); |
---|
81 | g_clients[id] = NULL; |
---|
82 | |
---|
83 | ROAR_DBG("clients_delete(id=%i) = 0", id); |
---|
84 | return 0; |
---|
85 | } |
---|
86 | |
---|
87 | int clients_get (int id, struct roar_client ** client) { |
---|
88 | *client = g_clients[id]; |
---|
89 | |
---|
90 | if ( *client == NULL ) |
---|
91 | return -1; |
---|
92 | |
---|
93 | return 0; |
---|
94 | } |
---|
95 | |
---|
96 | int clients_set_fh (int id, int fh) { |
---|
97 | if ( g_clients[id] == NULL ) |
---|
98 | return -1; |
---|
99 | |
---|
100 | g_clients[id]->fh = fh; |
---|
101 | |
---|
102 | return 0; |
---|
103 | } |
---|
104 | |
---|
105 | int clients_set_pid (int id, int pid) { |
---|
106 | if ( g_clients[id] == NULL ) |
---|
107 | return -1; |
---|
108 | |
---|
109 | g_clients[id]->pid = pid; |
---|
110 | |
---|
111 | return 0; |
---|
112 | } |
---|
113 | |
---|
114 | int clients_set_uid (int id, int uid) { |
---|
115 | if ( g_clients[id] == NULL ) |
---|
116 | return -1; |
---|
117 | |
---|
118 | g_clients[id]->uid = uid; |
---|
119 | |
---|
120 | return 0; |
---|
121 | } |
---|
122 | |
---|
123 | int clients_set_gid (int id, int gid) { |
---|
124 | if ( g_clients[id] == NULL ) |
---|
125 | return -1; |
---|
126 | |
---|
127 | g_clients[id]->gid = gid; |
---|
128 | |
---|
129 | return 0; |
---|
130 | } |
---|
131 | |
---|
132 | int clients_check_all (void) { |
---|
133 | struct timeval tv; |
---|
134 | fd_set r, e; |
---|
135 | int i, j; |
---|
136 | int ret; |
---|
137 | int fh; |
---|
138 | int max_fh = -1; |
---|
139 | int have = 0; |
---|
140 | |
---|
141 | FD_ZERO(&r); |
---|
142 | FD_ZERO(&e); |
---|
143 | |
---|
144 | tv.tv_sec = 0; |
---|
145 | tv.tv_usec = 1; |
---|
146 | |
---|
147 | for (i = 0; i < ROAR_CLIENTS_MAX; i++) { |
---|
148 | if ( g_clients[i] == NULL ) |
---|
149 | continue; |
---|
150 | |
---|
151 | if ( (fh = g_clients[i]->fh) != -1 ) { |
---|
152 | have++; |
---|
153 | |
---|
154 | FD_SET(fh, &r); |
---|
155 | FD_SET(fh, &e); |
---|
156 | |
---|
157 | if ( fh > max_fh ) |
---|
158 | max_fh = fh; |
---|
159 | } |
---|
160 | |
---|
161 | for (j = 0; j < ROAR_CLIENTS_MAX_STREAMS_PER_CLIENT; j++) { |
---|
162 | if ( (fh = streams_get_fh(g_clients[i]->streams[j])) != -1 ) { |
---|
163 | FD_SET(fh, &r); |
---|
164 | |
---|
165 | if ( fh > max_fh ) |
---|
166 | max_fh = fh; |
---|
167 | } |
---|
168 | //printf("D: client=%i, stream=%i, fh=%i\n", i, j, fh); |
---|
169 | } |
---|
170 | |
---|
171 | } |
---|
172 | |
---|
173 | if ( max_fh == -1 ) |
---|
174 | return 0; |
---|
175 | |
---|
176 | if ( (ret = select(max_fh + 1, &r, NULL, &e, &tv)) < 1 ) { |
---|
177 | return ret < 0 ? ret : have; |
---|
178 | } |
---|
179 | |
---|
180 | for (i = 0; i < ROAR_CLIENTS_MAX; i++) { |
---|
181 | if ( g_clients[i] == NULL ) |
---|
182 | continue; |
---|
183 | |
---|
184 | if ( (fh = g_clients[i]->fh) != -1 ) { |
---|
185 | if ( FD_ISSET(fh, &r) ) { |
---|
186 | if ( g_clients[i]->execed == -1 ) { |
---|
187 | clients_check(i); |
---|
188 | /* |
---|
189 | } else { |
---|
190 | streams_check(g_clients[i]->execed); |
---|
191 | */ |
---|
192 | } |
---|
193 | } |
---|
194 | |
---|
195 | if ( FD_ISSET(fh, &e) ) { |
---|
196 | clients_delete(i); |
---|
197 | continue; |
---|
198 | } |
---|
199 | } |
---|
200 | |
---|
201 | if ( g_clients[i] == NULL ) |
---|
202 | continue; |
---|
203 | |
---|
204 | for (j = 0; j < ROAR_CLIENTS_MAX_STREAMS_PER_CLIENT; j++) { |
---|
205 | //printf("D: client=%i, stream=%i, g_clients[i=%i] = %p\n", i, j, i, g_clients[i]); |
---|
206 | if ( g_clients[i] == NULL ) // streams_check() bellow can delete our client (why?) |
---|
207 | break; |
---|
208 | if ( (fh = streams_get_fh(g_clients[i]->streams[j])) != -1 ) { |
---|
209 | if ( FD_ISSET(fh, &r) ) { |
---|
210 | streams_check(g_clients[i]->streams[j]); |
---|
211 | } |
---|
212 | } |
---|
213 | } |
---|
214 | } |
---|
215 | |
---|
216 | ROAR_DBG("clients_check_all(void) = %i // have value", have); |
---|
217 | return have; |
---|
218 | } |
---|
219 | |
---|
220 | int clients_check (int id) { |
---|
221 | struct roar_message m; |
---|
222 | struct roar_connection con; |
---|
223 | char * data = NULL; |
---|
224 | int oldcmd; |
---|
225 | int r; |
---|
226 | |
---|
227 | if ( g_clients[id] == NULL ) |
---|
228 | return -1; |
---|
229 | if ( g_clients[id]->fh == -1 ) |
---|
230 | return -1; |
---|
231 | |
---|
232 | con.fh = g_clients[id]->fh; |
---|
233 | |
---|
234 | r = roar_recv_message(&con, &m, &data); |
---|
235 | |
---|
236 | if ( r == -1 ) { // should we drop the client? |
---|
237 | clients_delete(id); |
---|
238 | return -1; |
---|
239 | } |
---|
240 | |
---|
241 | roar_debug_message_print(&m); |
---|
242 | |
---|
243 | oldcmd = m.cmd; |
---|
244 | |
---|
245 | if ( (r = command_exec(id, &m, data)) == -1 ) { |
---|
246 | m.cmd = ROAR_CMD_ERROR; |
---|
247 | m.datalen = 0; |
---|
248 | ROAR_DBG("clients_check(*): Exec of command faild!"); |
---|
249 | } else { |
---|
250 | if ( m.cmd == oldcmd ) { |
---|
251 | m.cmd = ROAR_CMD_OK; |
---|
252 | m.datalen = 0; |
---|
253 | } |
---|
254 | } |
---|
255 | |
---|
256 | roar_send_message(&con, &m, NULL); |
---|
257 | |
---|
258 | if ( data ) |
---|
259 | free(data); |
---|
260 | |
---|
261 | ROAR_DBG("clients_check(id=%i) = 0", id); |
---|
262 | return 0; |
---|
263 | } |
---|
264 | |
---|
265 | int clients_send_mon (struct roar_audio_info * sa, uint32_t pos) { |
---|
266 | int i; |
---|
267 | int fh; |
---|
268 | |
---|
269 | for (i = 0; i < ROAR_CLIENTS_MAX; i++) { |
---|
270 | if ( g_clients[i] == NULL ) |
---|
271 | continue; |
---|
272 | |
---|
273 | if ( (fh = g_clients[i]->fh) == -1 ) |
---|
274 | continue; |
---|
275 | |
---|
276 | if ( g_clients[i]->execed == -1 ) { |
---|
277 | // TODO: add some code to send a message to the client insetd of the raw data. |
---|
278 | } else { |
---|
279 | // streams_check(g_clients[i]->execed); |
---|
280 | streams_send_mon(g_clients[i]->execed); |
---|
281 | // if ( streams_send_mon(g_clients[i]->execed) == -1 ) |
---|
282 | // clients_delete(i); // delete client in case we could not write |
---|
283 | } |
---|
284 | } |
---|
285 | |
---|
286 | return -1; |
---|
287 | } |
---|
288 | |
---|
289 | int clients_send_filter(struct roar_audio_info * sa, uint32_t pos) { |
---|
290 | int i; |
---|
291 | int fh; |
---|
292 | |
---|
293 | for (i = 0; i < ROAR_CLIENTS_MAX; i++) { |
---|
294 | if ( g_clients[i] == NULL ) |
---|
295 | continue; |
---|
296 | |
---|
297 | if ( (fh = g_clients[i]->fh) == -1 ) |
---|
298 | continue; |
---|
299 | |
---|
300 | if ( g_clients[i]->execed == -1 ) { |
---|
301 | // TODO: add some code to send a message to the client insetd of the raw data. |
---|
302 | } else { |
---|
303 | // streams_check(g_clients[i]->execed); |
---|
304 | streams_send_filter(g_clients[i]->execed); |
---|
305 | // if ( streams_send_mon(g_clients[i]->execed) == -1 ) |
---|
306 | // clients_delete(i); // delete client in case we could not write |
---|
307 | } |
---|
308 | } |
---|
309 | |
---|
310 | return -1; |
---|
311 | } |
---|
312 | |
---|
313 | int client_stream_exec (int client, int stream) { |
---|
314 | int i; |
---|
315 | |
---|
316 | if ( g_clients[client] == NULL ) |
---|
317 | return -1; |
---|
318 | |
---|
319 | for (i = 0; i < ROAR_CLIENTS_MAX_STREAMS_PER_CLIENT; i++) { |
---|
320 | if ( g_clients[client]->streams[i] == stream ) { |
---|
321 | g_clients[client]->execed = stream; |
---|
322 | streams_set_fh(stream, g_clients[client]->fh); |
---|
323 | streams_set_socktype(stream, ROAR_SOCKET_TYPE_GENSTR); |
---|
324 | return 0; |
---|
325 | } |
---|
326 | } |
---|
327 | |
---|
328 | return -1; |
---|
329 | } |
---|
330 | |
---|
331 | int client_stream_set_fh (int client, int stream, int fh) { |
---|
332 | int i; |
---|
333 | |
---|
334 | if ( g_clients[client] == NULL ) |
---|
335 | return -1; |
---|
336 | |
---|
337 | for (i = 0; i < ROAR_CLIENTS_MAX_STREAMS_PER_CLIENT; i++) { |
---|
338 | if ( g_clients[client]->streams[i] == stream ) { |
---|
339 | streams_set_fh(stream, fh); |
---|
340 | return 0; |
---|
341 | } |
---|
342 | } |
---|
343 | |
---|
344 | return -1; |
---|
345 | } |
---|
346 | |
---|
347 | int client_stream_add (int client, int stream) { |
---|
348 | int i; |
---|
349 | |
---|
350 | if ( g_clients[client] == NULL ) |
---|
351 | return -1; |
---|
352 | |
---|
353 | for (i = 0; i < ROAR_CLIENTS_MAX_STREAMS_PER_CLIENT; i++) { |
---|
354 | if ( g_clients[client]->streams[i] == -1 ) { |
---|
355 | g_clients[client]->streams[i] = stream; |
---|
356 | streams_set_client(stream, client); |
---|
357 | return 0; |
---|
358 | } |
---|
359 | } |
---|
360 | |
---|
361 | return -1; |
---|
362 | } |
---|
363 | |
---|
364 | int client_stream_delete (int client, int stream) { |
---|
365 | int i; |
---|
366 | |
---|
367 | if ( g_clients[client] == NULL ) |
---|
368 | return -1; |
---|
369 | |
---|
370 | for (i = 0; i < ROAR_CLIENTS_MAX_STREAMS_PER_CLIENT; i++) { |
---|
371 | if ( g_clients[client]->streams[i] == stream ) { |
---|
372 | g_clients[client]->streams[i] = -1; |
---|
373 | |
---|
374 | if ( stream == g_clients[client]->execed ) { |
---|
375 | ROAR_DBG("client_stream_delete(client=%i, stream=%i): stream is execed one, deleting client!", client, stream); |
---|
376 | clients_delete(client); |
---|
377 | } |
---|
378 | |
---|
379 | ROAR_DBG("client_stream_delete(client=%i, stream=%i) = 0", client, stream); |
---|
380 | return 0; |
---|
381 | } |
---|
382 | } |
---|
383 | |
---|
384 | ROAR_DBG("client_stream_delete(client=%i, stream=%i) = -1", client, stream); |
---|
385 | return -1; |
---|
386 | } |
---|
387 | |
---|
388 | //ll |
---|