Annotation of libaitio/src/sock.c, revision 1.13.2.1
1.2 misho 1: /*************************************************************************
2: * (C) 2013 AITNET ltd - Sofia/Bulgaria - <misho@aitnet.org>
3: * by Michael Pounov <misho@elwix.org>
4: *
5: * $Author: misho $
1.13.2.1! misho 6: * $Id: sock.c,v 1.13 2013/12/18 12:40:21 misho Exp $
1.2 misho 7: *
8: **************************************************************************
9: The ELWIX and AITNET software is distributed under the following
10: terms:
11:
12: All of the documentation and software included in the ELWIX and AITNET
13: Releases is copyrighted by ELWIX - Sofia/Bulgaria <info@elwix.org>
14:
1.13.2.1! misho 15: Copyright 2004 - 2014
1.2 misho 16: by Michael Pounov <misho@elwix.org>. All rights reserved.
17:
18: Redistribution and use in source and binary forms, with or without
19: modification, are permitted provided that the following conditions
20: are met:
21: 1. Redistributions of source code must retain the above copyright
22: notice, this list of conditions and the following disclaimer.
23: 2. Redistributions in binary form must reproduce the above copyright
24: notice, this list of conditions and the following disclaimer in the
25: documentation and/or other materials provided with the distribution.
26: 3. All advertising materials mentioning features or use of this software
27: must display the following acknowledgement:
28: This product includes software developed by Michael Pounov <misho@elwix.org>
29: ELWIX - Embedded LightWeight unIX and its contributors.
30: 4. Neither the name of AITNET nor the names of its contributors
31: may be used to endorse or promote products derived from this software
32: without specific prior written permission.
33:
34: THIS SOFTWARE IS PROVIDED BY AITNET AND CONTRIBUTORS ``AS IS'' AND
35: ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
36: IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
37: ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
38: FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
39: DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
40: OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
41: HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
42: LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
43: OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
44: SUCH DAMAGE.
45: */
46: #include "global.h"
47:
48:
1.5 misho 49: static void *
50: io_closeClient(sched_task_t *task)
51: {
52: sock_cli_t *cli = (sock_cli_t*) TASK_ARG(task);
53: sock_t *s = (sock_t*) cli->cli_parent;
1.7 misho 54: int stat;
1.5 misho 55:
56: pthread_mutex_lock(&s->sock_mtx);
57: TAILQ_REMOVE(&s->sock_cli, cli, cli_node);
58: pthread_mutex_unlock(&s->sock_mtx);
59:
60: schedCancelby(s->sock_root, taskMAX, CRITERIA_ARG, cli, NULL);
61:
1.9 misho 62: if (*cli->cli_name)
63: ioFreePTY(cli->cli_pty, cli->cli_name);
1.12 misho 64: if (s->sock_prog) {
65: io_progDetach(s->sock_prog, cli->cli_pty);
66: #if 0
67: io_progCloseAt(s->sock_prog, cli->cli_pty);
68: #endif
69: cli->cli_pty ^= cli->cli_pty;
70: io_progCheck(s->sock_prog, 42);
71: }
1.8 misho 72:
1.5 misho 73: if (s->sock_type == SOCK_STREAM) {
1.7 misho 74: shutdown(cli->cli_fd, SHUT_RDWR);
75: close(cli->cli_fd);
1.5 misho 76: }
77: AIT_FREE_VAL(&cli->cli_buf[1]);
78: AIT_FREE_VAL(&cli->cli_buf[0]);
79:
80: if (cli->cli_pid > 0) {
1.7 misho 81: kill(cli->cli_pid, SIGKILL);
1.5 misho 82: while (waitpid(cli->cli_pid, &stat, WNOHANG) > 0) {
83: usleep(1000);
1.7 misho 84: kill(cli->cli_pid, SIGKILL);
1.5 misho 85: }
86: }
87:
88: e_free(cli);
89: taskExit(task, NULL);
90: }
91:
92: static void *
93: io_acceptClient(sched_task_t *task)
94: {
95: int c, rlen;
96: sockaddr_t sa;
97: socklen_t salen = sizeof sa.ss;
98: sock_cli_t *cli = NULL;
99: sock_t *s = (sock_t*) TASK_ARG(task);
100:
101: if (s->sock_type == SOCK_STREAM) {
102: if ((c = accept(TASK_FD(task), &sa.sa, &salen)) == -1) {
103: LOGERR;
104: goto end;
105: }
106: } else {
107: if ((rlen = recvfrom(TASK_FD(task),
108: AIT_GET_BUF(&s->sock_buf), AIT_LEN(&s->sock_buf),
109: MSG_PEEK, &sa.sa, &salen)) == -1) {
110: LOGERR;
111: goto end;
112: } else
113: c = TASK_FD(task);
114: }
115:
116: cli = e_malloc(sizeof(sock_cli_t));
117: if (!cli) {
118: io_SetErr(elwix_GetErrno(), "%s", elwix_GetError());
119: if (s->sock_type == SOCK_STREAM)
120: close(c);
121: goto end;
122: } else {
123: memset(cli, 0, sizeof(sock_cli_t));
124: pthread_mutex_lock(&s->sock_mtx);
125: TAILQ_INSERT_TAIL(&s->sock_cli, cli, cli_node);
126: pthread_mutex_unlock(&s->sock_mtx);
127: }
128:
129: cli->cli_parent = TASK_ARG(task);
130: cli->cli_fd = c;
131: cli->cli_func = TASK_DATA(task);
132: memcpy(&cli->cli_addr, &sa, sizeof cli->cli_addr);
133: AIT_SET_BUFSIZ(&cli->cli_buf[0], 0, AIT_LEN(&s->sock_buf));
134: AIT_SET_BUFSIZ(&cli->cli_buf[1], 0, AIT_LEN(&s->sock_buf));
135:
136: schedRead(TASK_ROOT(task), cli->cli_func, cli, cli->cli_fd, TASK_ARG(task), 0);
1.7 misho 137: ioUpdTimerSocket(cli);
1.5 misho 138: end:
139: schedReadSelf(task);
140: taskExit(task, NULL);
141: }
142:
143: static void *
144: io_txNet(sched_task_t *task)
145: {
1.10 misho 146: int wlen, ret, len = TASK_DATLEN(task);
1.5 misho 147: sock_cli_t *cli = TASK_ARG(task);
148: sock_t *s = (sock_t*) cli->cli_parent;
1.10 misho 149: u_char *buf = TASK_DATA(task);
150: struct pollfd pfd[1];
1.5 misho 151:
1.10 misho 152: pfd->fd = TASK_FD(task);
153: pfd->events = POLLOUT;
154: pfd->revents = 0;
155: for(; len > 0; len -= wlen, buf += wlen) {
156: ioUpdTimerSocket(cli);
157:
158: if ((ret = poll(pfd, 1, s->sock_timeout.tv_sec * 1000)) < 1 ||
159: pfd->revents & (POLLNVAL | POLLERR | POLLHUP)) {
1.12 misho 160: #if 0
1.10 misho 161: if (!ret)
162: continue;
1.12 misho 163: #endif
1.10 misho 164: schedEvent(TASK_ROOT(task), io_closeClient, cli, 0, NULL, 0);
165: break;
166: }
1.5 misho 167:
1.10 misho 168: if (s->sock_type == SOCK_STREAM)
169: wlen = send(TASK_FD(task), buf, len, 0);
170: else
171: wlen = sendto(TASK_FD(task), buf, len, 0,
172: &cli->cli_addr.sa, cli->cli_addr.sa.sa_len);
173: if (wlen < 1) {
174: schedEvent(TASK_ROOT(task), io_closeClient, cli, 0, NULL, 0);
175: break;
176: }
177: }
1.5 misho 178:
179: taskExit(task, NULL);
180: }
181:
182: static void *
183: io_txPty(sched_task_t *task)
184: {
185: int wlen;
186: sock_cli_t *cli = TASK_ARG(task);
187:
1.7 misho 188: ioUpdTimerSocket(cli);
1.5 misho 189:
190: wlen = write(TASK_FD(task), TASK_DATA(task), TASK_DATLEN(task));
191: if (wlen < 1)
1.7 misho 192: schedEvent(TASK_ROOT(task), io_closeClient, cli, 0, NULL, 0);
1.5 misho 193:
194: taskExit(task, NULL);
195: }
196:
197: static void *
198: io_rxNet(sched_task_t *task)
199: {
200: int rlen;
201: sock_cli_t *cli = TASK_ARG(task);
202: sock_t *s = (sock_t*) cli->cli_parent;
203: sockaddr_t sa;
204: socklen_t salen = sizeof sa.ss;
205:
1.7 misho 206: ioUpdTimerSocket(cli);
1.5 misho 207:
208: if (s->sock_type == SOCK_STREAM)
209: rlen = recv(TASK_FD(task), AIT_GET_BUF(&cli->cli_buf[0]),
210: AIT_LEN(&cli->cli_buf[0]), 0);
211: else {
212: rlen = recvfrom(TASK_FD(task), AIT_GET_BUF(&cli->cli_buf[0]),
213: AIT_LEN(&cli->cli_buf[0]), 0, &sa.sa, &salen);
214: if (e_addrcmp(&cli->cli_addr, &sa, 42))
215: goto end;
216: }
217: if (rlen < 1)
1.7 misho 218: schedEvent(TASK_ROOT(task), io_closeClient, cli, 0, NULL, 0);
1.5 misho 219: else
220: schedEvent(TASK_ROOT(task), io_txPty, cli, cli->cli_pty,
221: AIT_GET_BUF(&cli->cli_buf[0]), rlen);
222: end:
223: schedReadSelf(task);
224: taskExit(task, NULL);
225: }
226:
227: static void *
228: io_rxPty(sched_task_t *task)
229: {
230: int rlen;
231: sock_cli_t *cli = TASK_ARG(task);
232:
1.7 misho 233: ioUpdTimerSocket(cli);
1.5 misho 234:
235: rlen = read(TASK_FD(task), AIT_GET_BUF(&cli->cli_buf[1]), AIT_LEN(&cli->cli_buf[1]));
236: if (rlen < 1)
1.7 misho 237: schedEvent(TASK_ROOT(task), io_closeClient, cli, 0, NULL, 0);
1.5 misho 238: else
239: schedEvent(TASK_ROOT(task), io_txNet, cli, cli->cli_fd,
240: AIT_GET_BUF(&cli->cli_buf[1]), rlen);
241:
242: schedReadSelf(task);
243: taskExit(task, NULL);
244: }
245:
246: static void *
247: io_bridgeClient(sched_task_t *task)
248: {
1.13 misho 249: int c, rlen, pty;
1.5 misho 250: pid_t pid;
251: sockaddr_t sa;
252: socklen_t salen = sizeof sa.ss;
253: sock_cli_t *cli = NULL;
254: sock_t *s = (sock_t*) TASK_ARG(task);
255: array_t *args = NULL;
256: char **argv = NULL;
257:
258: if (s->sock_type == SOCK_STREAM) {
259: if ((c = accept(TASK_FD(task), &sa.sa, &salen)) == -1) {
260: LOGERR;
261: goto end;
262: }
263: } else {
264: if ((rlen = recvfrom(TASK_FD(task),
265: AIT_GET_BUF(&s->sock_buf), AIT_LEN(&s->sock_buf),
266: MSG_PEEK, &sa.sa, &salen)) == -1) {
267: LOGERR;
268: goto end;
269: } else
270: c = TASK_FD(task);
271: }
272:
273: cli = e_malloc(sizeof(sock_cli_t));
274: if (!cli) {
275: io_SetErr(elwix_GetErrno(), "%s", elwix_GetError());
276: if (s->sock_type == SOCK_STREAM)
277: close(c);
278: goto end;
279: } else {
280: memset(cli, 0, sizeof(sock_cli_t));
281: pthread_mutex_lock(&s->sock_mtx);
282: TAILQ_INSERT_TAIL(&s->sock_cli, cli, cli_node);
283: pthread_mutex_unlock(&s->sock_mtx);
284: }
285:
286: cli->cli_parent = TASK_ARG(task);
287: cli->cli_fd = c;
288: strlcpy(cli->cli_cmdline, TASK_DATA(task), sizeof cli->cli_cmdline);
289: memcpy(&cli->cli_addr, &sa, sizeof cli->cli_addr);
290: AIT_SET_BUFSIZ(&cli->cli_buf[0], 0, AIT_LEN(&s->sock_buf));
291: AIT_SET_BUFSIZ(&cli->cli_buf[1], 0, AIT_LEN(&s->sock_buf));
292:
1.13 misho 293: switch ((pid = ioForkPTY(&pty, cli->cli_name, sizeof cli->cli_name,
1.5 misho 294: NULL, NULL, NULL))) {
295: case -1:
296: ELIBERR(io);
297: break;
298: case 0:
1.13 misho 299: cli->cli_pty = pty;
300:
1.5 misho 301: array_Args(cli->cli_cmdline, 0, " \t", &args);
302: argv = array_To(args);
303: array_Destroy(&args);
304:
1.11 misho 305: #if 0
1.5 misho 306: printf("Console %s\n", cli->cli_name);
1.11 misho 307: #endif
1.6 misho 308: rlen = execv(*argv, argv);
309: _exit(rlen);
1.5 misho 310: break;
311: default:
1.13 misho 312: cli->cli_pty = pty;
1.5 misho 313: cli->cli_pid = pid;
314:
315: schedRead(TASK_ROOT(task), io_rxPty, cli, cli->cli_pty,
316: TASK_ARG(task), 0);
317: schedRead(TASK_ROOT(task), io_rxNet, cli, cli->cli_fd,
318: TASK_ARG(task), 0);
1.7 misho 319: ioUpdTimerSocket(cli);
1.5 misho 320: break;
321: }
322: end:
323: schedReadSelf(task);
324: taskExit(task, NULL);
325: }
326:
1.12 misho 327: static void *
328: io_bridgeClient2Pool(sched_task_t *task)
329: {
330: int c, rlen;
331: sockaddr_t sa;
332: socklen_t salen = sizeof sa.ss;
333: sock_cli_t *cli = NULL;
334: sock_t *s = (sock_t*) TASK_ARG(task);
335:
336: if (s->sock_type == SOCK_STREAM) {
337: if ((c = accept(TASK_FD(task), &sa.sa, &salen)) == -1) {
338: LOGERR;
339: goto end;
340: }
341: } else {
342: if ((rlen = recvfrom(TASK_FD(task),
343: AIT_GET_BUF(&s->sock_buf), AIT_LEN(&s->sock_buf),
344: MSG_PEEK, &sa.sa, &salen)) == -1) {
345: LOGERR;
346: goto end;
347: } else
348: c = TASK_FD(task);
349: }
350:
351: cli = e_malloc(sizeof(sock_cli_t));
352: if (!cli) {
353: io_SetErr(elwix_GetErrno(), "%s", elwix_GetError());
354: if (s->sock_type == SOCK_STREAM)
355: close(c);
356: goto end;
357: } else {
358: memset(cli, 0, sizeof(sock_cli_t));
359: pthread_mutex_lock(&s->sock_mtx);
360: TAILQ_INSERT_TAIL(&s->sock_cli, cli, cli_node);
361: pthread_mutex_unlock(&s->sock_mtx);
362: }
363:
364: io_progCheck(s->sock_prog, 42);
365:
366: cli->cli_parent = TASK_ARG(task);
367: cli->cli_fd = c;
368: cli->cli_pty = io_progAttach(s->sock_prog, 42);
369: strlcpy(cli->cli_cmdline, TASK_DATA(task), sizeof cli->cli_cmdline);
370: memcpy(&cli->cli_addr, &sa, sizeof cli->cli_addr);
371: AIT_SET_BUFSIZ(&cli->cli_buf[0], 0, AIT_LEN(&s->sock_buf));
372: AIT_SET_BUFSIZ(&cli->cli_buf[1], 0, AIT_LEN(&s->sock_buf));
373:
374: schedRead(TASK_ROOT(task), io_rxPty, cli, cli->cli_pty, TASK_ARG(task), 0);
375: schedRead(TASK_ROOT(task), io_rxNet, cli, cli->cli_fd, TASK_ARG(task), 0);
376: ioUpdTimerSocket(cli);
377: end:
378: schedReadSelf(task);
379: taskExit(task, NULL);
380: }
381:
1.5 misho 382:
1.2 misho 383: /*
384: * ioInitSocket() - Init socket and allocate resources
385: *
386: * @role = Socket role
387: * @type = Socket type
388: * @proto = Socket protocol
389: * @addr = Bind to address
390: * @port = Bind to port
391: * @buflen = Socket buffer, optional if =0 == BUFSIZ
392: * return: NULL error or !=NULL created socket
393: */
394: sock_t *
395: ioInitSocket(int role, int type, int proto, const char *addr, u_short port, size_t buflen)
396: {
397: sock_t *s = NULL;
398: int n = 1;
399:
400: if (!addr)
401: return NULL;
402:
403: s = e_malloc(sizeof(sock_t));
404: if (!s) {
405: io_SetErr(elwix_GetErrno(), "%s", elwix_GetError());
406: return NULL;
407: } else
408: memset(s, 0, sizeof(sock_t));
409:
1.3 misho 410: TAILQ_INIT(&s->sock_cli);
411:
1.2 misho 412: s->sock_role = role;
413: s->sock_type = type;
414: s->sock_proto = proto;
415: if (!e_gethostbyname(addr, port, &s->sock_addr)) {
416: io_SetErr(elwix_GetErrno(), "%s", elwix_GetError());
417: e_free(s);
418: return NULL;
419: } else {
420: buflen = buflen ? buflen : BUFSIZ;
1.5 misho 421: buflen = E_ALIGN(buflen, 2); /* align buflen length */
1.2 misho 422: AIT_SET_BUFSIZ(&s->sock_buf, 0, buflen);
423: }
424:
425: s->sock_fd = socket(s->sock_addr.sa.sa_family, s->sock_type, s->sock_proto);
426: if (s->sock_fd == -1) {
427: LOGERR;
428: AIT_FREE_VAL(&s->sock_buf);
429: e_free(s);
430: return NULL;
431: }
432: if (setsockopt(s->sock_fd, SOL_SOCKET, SO_SNDBUF, &buflen, sizeof buflen) == -1) {
433: LOGERR;
434: AIT_FREE_VAL(&s->sock_buf);
435: e_free(s);
436: return NULL;
437: }
438: if (setsockopt(s->sock_fd, SOL_SOCKET, SO_RCVBUF, &buflen, sizeof buflen) == -1) {
439: LOGERR;
440: AIT_FREE_VAL(&s->sock_buf);
441: e_free(s);
442: return NULL;
443: }
444: if (setsockopt(s->sock_fd, SOL_SOCKET, SO_REUSEADDR, &n, sizeof n) == -1) {
445: LOGERR;
446: AIT_FREE_VAL(&s->sock_buf);
447: e_free(s);
448: return NULL;
449: }
450: if (bind(s->sock_fd, &s->sock_addr.sa, s->sock_addr.sa.sa_len) == -1) {
451: LOGERR;
452: AIT_FREE_VAL(&s->sock_buf);
453: e_free(s);
454: return NULL;
455: }
456:
1.5 misho 457: s->sock_root = schedBegin();
458: if (!s->sock_root) {
459: io_SetErr(sched_GetErrno(), "%s", sched_GetError());
460: AIT_FREE_VAL(&s->sock_buf);
461: e_free(s);
462: return NULL;
463: }
464:
1.3 misho 465: pthread_mutex_init(&s->sock_mtx, NULL);
1.2 misho 466: return s;
467: }
468:
469: /*
470: * ioCloseSocket() - Close socket and free resources
471: *
472: * @s = Socket
473: * return: none
474: */
475: void
476: ioCloseSocket(sock_t ** __restrict s)
477: {
1.5 misho 478: sock_cli_t *cli;
479: int stat;
1.3 misho 480:
1.2 misho 481: if (s && *s) {
1.3 misho 482: pthread_mutex_lock(&(*s)->sock_mtx);
483: while ((cli = TAILQ_FIRST(&(*s)->sock_cli))) {
484: TAILQ_REMOVE(&(*s)->sock_cli, cli, cli_node);
1.5 misho 485:
486: schedCancelby((*s)->sock_root, taskMAX, CRITERIA_ARG, cli, NULL);
487:
488: if ((*s)->sock_type == SOCK_STREAM) {
489: shutdown(cli->cli_fd, SHUT_RDWR);
490: close(cli->cli_fd);
491: }
492: AIT_FREE_VAL(&cli->cli_buf[1]);
493: AIT_FREE_VAL(&cli->cli_buf[0]);
494:
495: if (cli->cli_pid > 0) {
1.7 misho 496: kill(cli->cli_pid, SIGKILL);
1.5 misho 497: while (waitpid(cli->cli_pid, &stat, WNOHANG) > 0) {
498: usleep(1000);
1.7 misho 499: kill(cli->cli_pid, SIGKILL);
1.5 misho 500: }
501: }
502:
1.3 misho 503: e_free(cli);
504: }
505: pthread_mutex_unlock(&(*s)->sock_mtx);
506:
1.2 misho 507: shutdown((*s)->sock_fd, SHUT_RDWR);
508: close((*s)->sock_fd);
509:
510: AIT_FREE_VAL(&(*s)->sock_buf);
1.3 misho 511:
1.5 misho 512: schedEnd(&(*s)->sock_root);
513:
1.3 misho 514: pthread_mutex_destroy(&(*s)->sock_mtx);
1.2 misho 515: e_free(*s);
516: *s = NULL;
517: }
518: }
519:
520: /*
521: * ioUpSocket() - Setup socket for use
522: *
523: * @s = Socket
524: * @arg = Server role = listen backlog queue and Client role = peer address
1.5 misho 525: * @timeout = Socket timeout in sec (default -1 infinit)
1.2 misho 526: * return: -1 error or 0 ok
527: */
528: int
1.5 misho 529: ioUpSocket(sock_t * __restrict s, void *arg, int timeout)
1.2 misho 530: {
531: int ret = 0;
532: sockaddr_t *peer = (sockaddr_t*) arg;
533: uintptr_t backlog = (uintptr_t) arg;
534:
535: if (!s || !arg)
536: return -1;
1.5 misho 537: else {
538: s->sock_timeout.tv_sec = timeout;
539: s->sock_timeout.tv_nsec = (timeout < 1) ? timeout : 0;
540: schedPolling(s->sock_root, &s->sock_timeout, NULL);
541: }
1.2 misho 542:
543: switch (s->sock_role) {
544: case IO_SOCK_ROLE_CLIENT:
545: memcpy(&s->sock_peer, peer, sizeof s->sock_peer);
546:
547: if (connect(s->sock_fd, &s->sock_peer.sa,
548: s->sock_peer.sa.sa_len) == -1) {
549: LOGERR;
550: return -1;
551: }
552: break;
553: case IO_SOCK_ROLE_SERVER:
554: if (s->sock_type == SOCK_STREAM) {
555: s->sock_backq = backlog;
556:
557: if (listen(s->sock_fd, s->sock_backq) == -1) {
558: LOGERR;
559: return -1;
560: }
561: }
562: break;
563: default:
564: io_SetErr(EINVAL, "Unsupported socket type");
565: return -1;
566: }
567:
568: fcntl(s->sock_fd, F_SETFL, fcntl(s->sock_fd, F_GETFL) | O_NONBLOCK);
569: return ret;
570: }
1.3 misho 571:
1.5 misho 572: /*
573: * ioUpdTimerSocket() - Update timeout of socket
574: *
575: * @c = Client socket
576: * return: none
577: */
578: void
1.7 misho 579: ioUpdTimerSocket(sock_cli_t * __restrict c)
1.3 misho 580: {
1.5 misho 581: sock_t *s;
1.3 misho 582:
1.5 misho 583: if (!c)
584: return;
585: else
586: s = c->cli_parent;
1.3 misho 587:
1.12 misho 588: if (s->sock_prog)
589: io_progCheck(s->sock_prog, 42);
590:
1.7 misho 591: schedCancelby(s->sock_root, taskTIMER, CRITERIA_ARG, c, NULL);
592: schedTimer(s->sock_root, io_closeClient, c, s->sock_timeout, NULL, 0);
1.3 misho 593: }
594:
1.5 misho 595: /*
596: * ioCloseClient() - Close client socket
597: *
598: * @c = Client socket
599: * return: 0 ok or !=0 error
600: */
601: int
602: ioCloseClient(sock_cli_t * __restrict c)
1.3 misho 603: {
1.5 misho 604: sock_t *s;
1.3 misho 605:
1.5 misho 606: if (!c)
607: return -1;
608: else
609: s = c->cli_parent;
1.3 misho 610:
1.7 misho 611: return !schedEvent(s->sock_root, io_closeClient, c, 0, NULL, 0);
1.3 misho 612: }
613:
614: /*
1.5 misho 615: * ioLoopSocket() - Start socket scheduler
1.3 misho 616: *
617: * @s = Socket
1.5 misho 618: * @rcb = Read callback
619: * return: -1 error or return result from scheduler
1.3 misho 620: */
621: int
1.5 misho 622: ioLoopSocket(sock_t * __restrict s, sched_task_func_t rcb)
1.3 misho 623: {
1.5 misho 624: if (!s || !rcb || s->sock_kill)
1.3 misho 625: return -1;
626:
1.5 misho 627: schedRead(s->sock_root, io_acceptClient, s, s->sock_fd, rcb, 0);
628: return schedRun(s->sock_root, &s->sock_kill);
629: }
1.3 misho 630:
1.12 misho 631: static void *
632: io_progPurge(sched_task_t *task)
633: {
634: sock_t *s = (sock_t*) TASK_ARG(task);
635:
636: io_progVacuum(s->sock_prog, 0);
637:
638: schedTimer(TASK_ROOT(task), TASK_FUNC(task), TASK_ARG(task),
639: s->sock_timeout, TASK_DATA(task), TASK_DATLEN(task));
640: taskExit(task, NULL);
641: }
642:
1.5 misho 643: /*
644: * ioBridgeProg2Socket() - Start socket scheduler and bridge program to socket
645: *
646: * @s = Socket
647: * @prgname = Program name
648: * return: 0 ok or !=0 error
649: */
650: int
651: ioBridgeProg2Socket(sock_t * __restrict s, const char *prgname)
652: {
653: if (!s || !prgname || s->sock_kill)
654: return -1;
1.3 misho 655:
1.12 misho 656: if (s->sock_prog) {
657: schedRead(s->sock_root, io_bridgeClient2Pool,
658: s, s->sock_fd, (void*) prgname, 0);
659: schedTimer(s->sock_root, io_progPurge, s, s->sock_timeout, NULL, 0);
660: } else
661: schedRead(s->sock_root, io_bridgeClient,
662: s, s->sock_fd, (void*) prgname, 0);
1.5 misho 663: return schedRun(s->sock_root, &s->sock_kill);
1.3 misho 664: }
1.12 misho 665:
666: /*
667: * ioSetupProg2Socket() - Setup program pool to socket server
668: *
669: * @s = Socket
670: * @p = Program pool
671: * return: -1 error or 0 ok
672: */
673: int
674: ioSetupProg2Socket(sock_t * __restrict s, prog_t * __restrict p)
675: {
676: if (!s)
677: return -1;
678:
679: s->sock_prog = p;
680: return 0;
681: }
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>
![[BACK]](/icons/cvsweb/back.gif){kind=icon}
Return to sock.c CVS log ![[TXT]](/icons/cvsweb/text.gif){kind=icon}
![[DIR]](/icons/cvsweb/dir.gif){kind=icon}
Up to [ELWIX - Embedded LightWeight unIX -] / libaitio / src