Annotation of libaitio/src/sock.c, revision 1.4.4.15
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 $
1.4.4.15! misho 6: * $Id: sock.c,v 1.4.4.14 2013/11/22 10:26:54 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:
15: Copyright 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013
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:
1.4.4.4 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;
1.4.4.12 misho 54: int stat, sock = (int) TASK_DATLEN(task);
1.4.4.4 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:
1.4.4.7 misho 60: schedCancelby(s->sock_root, taskTIMER, CRITERIA_DATLEN,
61: (void*) cli->cli_fd, NULL);
62: schedCancelby(s->sock_root, taskMAX, CRITERIA_ARG, cli, NULL);
63:
1.4.4.4 misho 64: if (s->sock_type == SOCK_STREAM) {
65: shutdown(sock, SHUT_RDWR);
66: close(sock);
67: }
1.4.4.5 misho 68: AIT_FREE_VAL(&cli->cli_buf[1]);
69: AIT_FREE_VAL(&cli->cli_buf[0]);
1.4.4.4 misho 70:
1.4.4.12 misho 71: /* if optional argument have pid */
72: if (TASK_DATA(task)) {
73: kill((pid_t) TASK_DATA(task), SIGTERM);
74: while (waitpid((pid_t) TASK_DATA(task), &stat, WNOHANG) > 0) {
75: usleep(1000);
76: kill((pid_t) TASK_DATA(task), SIGTERM);
77: }
78: }
79:
1.4.4.4 misho 80: e_free(cli);
81: taskExit(task, NULL);
82: }
83:
84: static void *
85: io_acceptClient(sched_task_t *task)
86: {
87: int c, rlen;
88: sockaddr_t sa;
89: socklen_t salen = sizeof sa.ss;
90: sock_cli_t *cli = NULL;
91: sock_t *s = (sock_t*) TASK_ARG(task);
92:
1.4.4.15! misho 93: ioUpdTimerSocket(cli, (void*) cli->cli_func);
! 94:
1.4.4.4 misho 95: if (s->sock_type == SOCK_STREAM) {
96: if ((c = accept(TASK_FD(task), &sa.sa, &salen)) == -1) {
97: LOGERR;
98: goto end;
99: }
100: } else {
101: if ((rlen = recvfrom(TASK_FD(task),
102: AIT_GET_BUF(&s->sock_buf), AIT_LEN(&s->sock_buf),
103: MSG_PEEK, &sa.sa, &salen)) == -1) {
104: LOGERR;
105: goto end;
106: } else
107: c = TASK_FD(task);
108: }
109:
110: cli = e_malloc(sizeof(sock_cli_t));
111: if (!cli) {
112: io_SetErr(elwix_GetErrno(), "%s", elwix_GetError());
113: if (s->sock_type == SOCK_STREAM)
114: close(c);
115: goto end;
116: } else {
117: memset(cli, 0, sizeof(sock_cli_t));
118: pthread_mutex_lock(&s->sock_mtx);
119: TAILQ_INSERT_TAIL(&s->sock_cli, cli, cli_node);
120: pthread_mutex_unlock(&s->sock_mtx);
121: }
122:
123: cli->cli_parent = TASK_ARG(task);
124: cli->cli_fd = c;
125: cli->cli_func = TASK_DATA(task);
126: memcpy(&cli->cli_addr, &sa, sizeof cli->cli_addr);
1.4.4.5 misho 127: AIT_SET_BUFSIZ(&cli->cli_buf[0], 0, AIT_LEN(&s->sock_buf));
128: AIT_SET_BUFSIZ(&cli->cli_buf[1], 0, AIT_LEN(&s->sock_buf));
1.4.4.4 misho 129:
130: schedRead(TASK_ROOT(task), cli->cli_func, cli, cli->cli_fd, TASK_ARG(task), 0);
1.4.4.12 misho 131: ioUpdTimerSocket(cli, NULL);
1.4.4.4 misho 132: end:
133: schedReadSelf(task);
134: taskExit(task, NULL);
135: }
136:
1.4.4.7 misho 137: static void *
1.4.4.9 misho 138: io_txNet(sched_task_t *task)
139: {
1.4.4.12 misho 140: int wlen;
1.4.4.9 misho 141: sock_cli_t *cli = TASK_ARG(task);
142: sock_t *s = (sock_t*) cli->cli_parent;
143:
1.4.4.15! misho 144: ioUpdTimerSocket(cli, (void*) cli->cli_func);
! 145:
1.4.4.9 misho 146: if (s->sock_type == SOCK_STREAM)
147: wlen = send(TASK_FD(task), TASK_DATA(task), TASK_DATLEN(task), 0);
148: else
149: wlen = sendto(TASK_FD(task), TASK_DATA(task), TASK_DATLEN(task), 0,
150: &cli->cli_addr.sa, cli->cli_addr.sa.sa_len);
1.4.4.12 misho 151: if (wlen < 1)
152: schedEvent(TASK_ROOT(task), io_closeClient, cli, 0,
153: (void*) cli->cli_func, cli->cli_fd);
1.4.4.9 misho 154:
155: taskExit(task, NULL);
156: }
157:
158: static void *
159: io_txPty(sched_task_t *task)
160: {
1.4.4.12 misho 161: int wlen;
1.4.4.9 misho 162: sock_cli_t *cli = TASK_ARG(task);
163:
164: wlen = write(TASK_FD(task), TASK_DATA(task), TASK_DATLEN(task));
1.4.4.12 misho 165: if (wlen < 1)
166: schedEvent(TASK_ROOT(task), io_closeClient, cli, 0,
167: (void*) cli->cli_func, cli->cli_fd);
1.4.4.9 misho 168:
169: taskExit(task, NULL);
170: }
171:
172: static void *
173: io_rxNet(sched_task_t *task)
174: {
1.4.4.12 misho 175: int rlen;
1.4.4.9 misho 176: sock_cli_t *cli = TASK_ARG(task);
177: sock_t *s = (sock_t*) cli->cli_parent;
178: sockaddr_t sa;
179: socklen_t salen = sizeof sa.ss;
180:
1.4.4.15! misho 181: ioUpdTimerSocket(cli, (void*) cli->cli_func);
! 182:
1.4.4.13 misho 183: memset(AIT_GET_BUF(&cli->cli_buf[0]), 0, AIT_LEN(&cli->cli_buf[0]));
1.4.4.9 misho 184: if (s->sock_type == SOCK_STREAM)
185: rlen = recv(TASK_FD(task), AIT_GET_BUF(&cli->cli_buf[0]),
186: AIT_LEN(&cli->cli_buf[0]), 0);
187: else {
188: rlen = recvfrom(TASK_FD(task), AIT_GET_BUF(&cli->cli_buf[0]),
189: AIT_LEN(&cli->cli_buf[0]), 0, &sa.sa, &salen);
190: if (e_addrcmp(&cli->cli_addr, &sa, 42))
191: goto end;
192: }
1.4.4.12 misho 193: if (rlen < 1)
194: schedEvent(TASK_ROOT(task), io_closeClient, cli, 0,
195: (void*) cli->cli_func, cli->cli_fd);
196: else
1.4.4.14 misho 197: schedEvent(TASK_ROOT(task), io_txPty, cli, cli->cli_pty,
1.4.4.9 misho 198: AIT_GET_BUF(&cli->cli_buf[0]), rlen);
199: end:
200: schedReadSelf(task);
201: taskExit(task, NULL);
202: }
203:
204: static void *
205: io_rxPty(sched_task_t *task)
206: {
1.4.4.12 misho 207: int rlen;
1.4.4.9 misho 208: sock_cli_t *cli = TASK_ARG(task);
209:
1.4.4.15! misho 210: ioUpdTimerSocket(cli, (void*) cli->cli_func);
! 211:
1.4.4.13 misho 212: memset(AIT_GET_BUF(&cli->cli_buf[1]), 0, AIT_LEN(&cli->cli_buf[1]));
1.4.4.9 misho 213: rlen = read(TASK_FD(task), AIT_GET_BUF(&cli->cli_buf[1]), AIT_LEN(&cli->cli_buf[1]));
1.4.4.12 misho 214: if (rlen < 1)
215: schedEvent(TASK_ROOT(task), io_closeClient, cli, 0,
216: (void*) cli->cli_func, cli->cli_fd);
217: else
1.4.4.14 misho 218: schedEvent(TASK_ROOT(task), io_txNet, cli, cli->cli_fd,
1.4.4.9 misho 219: AIT_GET_BUF(&cli->cli_buf[1]), rlen);
220:
221: schedReadSelf(task);
222: taskExit(task, NULL);
223: }
224:
225: static void *
1.4.4.8 misho 226: io_bridgeClient(sched_task_t *task)
1.4.4.7 misho 227: {
1.4.4.8 misho 228: int c, rlen;
229: pid_t pid;
230: sockaddr_t sa;
231: socklen_t salen = sizeof sa.ss;
232: sock_cli_t *cli = NULL;
233: sock_t *s = (sock_t*) TASK_ARG(task);
234: array_t *args = NULL;
235: char **argv = NULL;
236:
237: if (s->sock_type == SOCK_STREAM) {
238: if ((c = accept(TASK_FD(task), &sa.sa, &salen)) == -1) {
239: LOGERR;
240: goto end;
241: }
242: } else {
243: if ((rlen = recvfrom(TASK_FD(task),
244: AIT_GET_BUF(&s->sock_buf), AIT_LEN(&s->sock_buf),
245: MSG_PEEK, &sa.sa, &salen)) == -1) {
246: LOGERR;
247: goto end;
248: } else
249: c = TASK_FD(task);
250: }
251:
252: cli = e_malloc(sizeof(sock_cli_t));
253: if (!cli) {
254: io_SetErr(elwix_GetErrno(), "%s", elwix_GetError());
255: if (s->sock_type == SOCK_STREAM)
256: close(c);
257: goto end;
258: } else {
259: memset(cli, 0, sizeof(sock_cli_t));
260: pthread_mutex_lock(&s->sock_mtx);
261: TAILQ_INSERT_TAIL(&s->sock_cli, cli, cli_node);
262: pthread_mutex_unlock(&s->sock_mtx);
263: }
264:
265: cli->cli_parent = TASK_ARG(task);
266: cli->cli_fd = c;
267: strlcpy(cli->cli_cmdline, TASK_DATA(task), sizeof cli->cli_cmdline);
268: memcpy(&cli->cli_addr, &sa, sizeof cli->cli_addr);
269: AIT_SET_BUFSIZ(&cli->cli_buf[0], 0, AIT_LEN(&s->sock_buf));
270: AIT_SET_BUFSIZ(&cli->cli_buf[1], 0, AIT_LEN(&s->sock_buf));
271:
272: switch ((pid = ioForkPTY(&cli->cli_pty, cli->cli_name, sizeof cli->cli_name,
273: NULL, NULL, NULL))) {
274: case -1:
275: ELIBERR(io);
276: break;
277: case 0:
278: array_Args(cli->cli_cmdline, 0, " \t", &args);
279: argv = array_To(args);
280: array_Destroy(&args);
281:
282: execv(*argv, argv);
283: break;
284: default:
1.4.4.10 misho 285: cli->cli_func = (sched_task_func_t) pid;
286:
1.4.4.9 misho 287: schedRead(TASK_ROOT(task), io_rxPty, cli, cli->cli_pty,
288: TASK_ARG(task), 0);
289: schedRead(TASK_ROOT(task), io_rxNet, cli, cli->cli_fd,
290: TASK_ARG(task), 0);
1.4.4.12 misho 291: ioUpdTimerSocket(cli, (void*) pid);
1.4.4.8 misho 292: break;
293: }
294: end:
295: schedReadSelf(task);
1.4.4.7 misho 296: taskExit(task, NULL);
297: }
298:
1.4.4.4 misho 299:
1.2 misho 300: /*
301: * ioInitSocket() - Init socket and allocate resources
302: *
303: * @role = Socket role
304: * @type = Socket type
305: * @proto = Socket protocol
306: * @addr = Bind to address
307: * @port = Bind to port
308: * @buflen = Socket buffer, optional if =0 == BUFSIZ
309: * return: NULL error or !=NULL created socket
310: */
311: sock_t *
312: ioInitSocket(int role, int type, int proto, const char *addr, u_short port, size_t buflen)
313: {
314: sock_t *s = NULL;
315: int n = 1;
316:
317: if (!addr)
318: return NULL;
319:
320: s = e_malloc(sizeof(sock_t));
321: if (!s) {
322: io_SetErr(elwix_GetErrno(), "%s", elwix_GetError());
323: return NULL;
324: } else
325: memset(s, 0, sizeof(sock_t));
326:
1.3 misho 327: TAILQ_INIT(&s->sock_cli);
328:
1.2 misho 329: s->sock_role = role;
330: s->sock_type = type;
331: s->sock_proto = proto;
332: if (!e_gethostbyname(addr, port, &s->sock_addr)) {
333: io_SetErr(elwix_GetErrno(), "%s", elwix_GetError());
334: e_free(s);
335: return NULL;
336: } else {
337: buflen = buflen ? buflen : BUFSIZ;
1.4.4.1 misho 338: buflen = E_ALIGN(buflen, 2); /* align buflen length */
1.2 misho 339: AIT_SET_BUFSIZ(&s->sock_buf, 0, buflen);
340: }
341:
342: s->sock_fd = socket(s->sock_addr.sa.sa_family, s->sock_type, s->sock_proto);
343: if (s->sock_fd == -1) {
344: LOGERR;
345: AIT_FREE_VAL(&s->sock_buf);
346: e_free(s);
347: return NULL;
348: }
349: if (setsockopt(s->sock_fd, SOL_SOCKET, SO_SNDBUF, &buflen, sizeof buflen) == -1) {
350: LOGERR;
351: AIT_FREE_VAL(&s->sock_buf);
352: e_free(s);
353: return NULL;
354: }
355: if (setsockopt(s->sock_fd, SOL_SOCKET, SO_RCVBUF, &buflen, sizeof buflen) == -1) {
356: LOGERR;
357: AIT_FREE_VAL(&s->sock_buf);
358: e_free(s);
359: return NULL;
360: }
361: if (setsockopt(s->sock_fd, SOL_SOCKET, SO_REUSEADDR, &n, sizeof n) == -1) {
362: LOGERR;
363: AIT_FREE_VAL(&s->sock_buf);
364: e_free(s);
365: return NULL;
366: }
367: if (bind(s->sock_fd, &s->sock_addr.sa, s->sock_addr.sa.sa_len) == -1) {
368: LOGERR;
369: AIT_FREE_VAL(&s->sock_buf);
370: e_free(s);
371: return NULL;
372: }
373:
1.4.4.1 misho 374: s->sock_root = schedBegin();
375: if (!s->sock_root) {
376: io_SetErr(sched_GetErrno(), "%s", sched_GetError());
377: AIT_FREE_VAL(&s->sock_buf);
378: e_free(s);
379: return NULL;
380: }
381:
1.3 misho 382: pthread_mutex_init(&s->sock_mtx, NULL);
1.2 misho 383: return s;
384: }
385:
386: /*
387: * ioCloseSocket() - Close socket and free resources
388: *
389: * @s = Socket
390: * return: none
391: */
392: void
393: ioCloseSocket(sock_t ** __restrict s)
394: {
1.4.4.4 misho 395: sock_cli_t *cli;
1.3 misho 396:
1.2 misho 397: if (s && *s) {
1.3 misho 398: pthread_mutex_lock(&(*s)->sock_mtx);
399: while ((cli = TAILQ_FIRST(&(*s)->sock_cli))) {
400: TAILQ_REMOVE(&(*s)->sock_cli, cli, cli_node);
1.4.4.4 misho 401:
402: schedCancelby((*s)->sock_root, taskTIMER, CRITERIA_DATLEN,
403: (void*) cli->cli_fd, NULL);
1.4.4.7 misho 404: schedCancelby((*s)->sock_root, taskMAX, CRITERIA_ARG, cli, NULL);
1.4.4.4 misho 405:
406: if ((*s)->sock_type == SOCK_STREAM) {
407: shutdown(cli->cli_fd, SHUT_RDWR);
408: close(cli->cli_fd);
409: }
1.4.4.5 misho 410: AIT_FREE_VAL(&cli->cli_buf[1]);
411: AIT_FREE_VAL(&cli->cli_buf[0]);
1.3 misho 412: e_free(cli);
413: }
414: pthread_mutex_unlock(&(*s)->sock_mtx);
415:
1.2 misho 416: shutdown((*s)->sock_fd, SHUT_RDWR);
417: close((*s)->sock_fd);
418:
419: AIT_FREE_VAL(&(*s)->sock_buf);
1.3 misho 420:
1.4.4.1 misho 421: schedEnd(&(*s)->sock_root);
422:
1.3 misho 423: pthread_mutex_destroy(&(*s)->sock_mtx);
1.2 misho 424: e_free(*s);
425: *s = NULL;
426: }
427: }
428:
429: /*
430: * ioUpSocket() - Setup socket for use
431: *
432: * @s = Socket
433: * @arg = Server role = listen backlog queue and Client role = peer address
1.4.4.1 misho 434: * @timeout = Socket timeout in sec (default -1 infinit)
1.2 misho 435: * return: -1 error or 0 ok
436: */
437: int
1.4.4.1 misho 438: ioUpSocket(sock_t * __restrict s, void *arg, int timeout)
1.2 misho 439: {
440: int ret = 0;
441: sockaddr_t *peer = (sockaddr_t*) arg;
442: uintptr_t backlog = (uintptr_t) arg;
443:
444: if (!s || !arg)
445: return -1;
1.4.4.1 misho 446: else {
447: s->sock_timeout.tv_sec = timeout;
448: s->sock_timeout.tv_nsec = (timeout < 1) ? timeout : 0;
449: schedPolling(s->sock_root, &s->sock_timeout, NULL);
450: }
1.2 misho 451:
452: switch (s->sock_role) {
453: case IO_SOCK_ROLE_CLIENT:
454: memcpy(&s->sock_peer, peer, sizeof s->sock_peer);
455:
456: if (connect(s->sock_fd, &s->sock_peer.sa,
457: s->sock_peer.sa.sa_len) == -1) {
458: LOGERR;
459: return -1;
460: }
461: break;
462: case IO_SOCK_ROLE_SERVER:
463: if (s->sock_type == SOCK_STREAM) {
464: s->sock_backq = backlog;
465:
466: if (listen(s->sock_fd, s->sock_backq) == -1) {
467: LOGERR;
468: return -1;
469: }
470: }
471: break;
472: default:
473: io_SetErr(EINVAL, "Unsupported socket type");
474: return -1;
475: }
476:
477: fcntl(s->sock_fd, F_SETFL, fcntl(s->sock_fd, F_GETFL) | O_NONBLOCK);
478: return ret;
479: }
1.3 misho 480:
481: /*
1.4.4.2 misho 482: * ioUpdTimerSocket() - Update timeout of socket
1.3 misho 483: *
1.4.4.2 misho 484: * @c = Client socket
1.4.4.12 misho 485: * @arg = Optional data argument
1.4.4.2 misho 486: * return: none
1.3 misho 487: */
1.4.4.2 misho 488: void
1.4.4.12 misho 489: ioUpdTimerSocket(sock_cli_t * __restrict c, void *arg)
1.3 misho 490: {
1.4.4.2 misho 491: sock_t *s;
1.3 misho 492:
1.4.4.2 misho 493: if (!c)
494: return;
495: else
496: s = c->cli_parent;
1.3 misho 497:
1.4.4.2 misho 498: schedCancelby(s->sock_root, taskTIMER, CRITERIA_DATLEN, (void*) c->cli_fd, NULL);
1.4.4.12 misho 499: schedTimer(s->sock_root, io_closeClient, c, s->sock_timeout, arg, c->cli_fd);
1.4.4.2 misho 500: }
1.3 misho 501:
1.4.4.2 misho 502: /*
1.4.4.6 misho 503: * ioCloseClient() - Close client socket
504: *
505: * @c = Client socket
506: * return: 0 ok or !=0 error
507: */
508: int
509: ioCloseClient(sock_cli_t * __restrict c)
510: {
511: sock_t *s;
512:
513: if (!c)
514: return -1;
515: else
516: s = c->cli_parent;
517:
518: return !schedEvent(s->sock_root, io_closeClient, c, 0, NULL, c->cli_fd);
519: }
520:
521: /*
1.4.4.2 misho 522: * ioLoopSocket() - Start socket scheduler
523: *
524: * @s = Socket
525: * @rcb = Read callback
526: * return: -1 error or return result from scheduler
527: */
528: int
529: ioLoopSocket(sock_t * __restrict s, sched_task_func_t rcb)
530: {
1.4.4.6 misho 531: if (!s || !rcb || s->sock_kill)
532: return -1;
533:
1.4.4.2 misho 534: schedRead(s->sock_root, io_acceptClient, s, s->sock_fd, rcb, 0);
535: return schedRun(s->sock_root, &s->sock_kill);
1.3 misho 536: }
1.4.4.3 misho 537:
538: /*
1.4.4.6 misho 539: * ioBridgeProg2Socket() - Start socket scheduler and bridge program to socket
1.4.4.3 misho 540: *
1.4.4.6 misho 541: * @s = Socket
542: * @prgname = Program name
1.4.4.3 misho 543: * return: 0 ok or !=0 error
544: */
545: int
1.4.4.6 misho 546: ioBridgeProg2Socket(sock_t * __restrict s, const char *prgname)
1.4.4.3 misho 547: {
1.4.4.6 misho 548: if (!s || !prgname || s->sock_kill)
1.4.4.3 misho 549: return -1;
550:
1.4.4.8 misho 551: schedRead(s->sock_root, io_bridgeClient, s, s->sock_fd, (void*) prgname, 0);
552: return schedRun(s->sock_root, &s->sock_kill);
1.4.4.3 misho 553: }
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