Annotation of mqtt/src/mqttd_calls.c, revision 1.2.2.29
1.2 misho 1: #include "global.h"
2: #include "mqttd.h"
1.2.2.1 misho 3: #include "rtlm.h"
1.2 misho 4: #include "mqttd_calls.h"
5:
6:
1.2.2.26 misho 7: static inline ait_val_t *
1.2.2.19 misho 8: mkPkt(void * __restrict data, int dlen)
9: {
1.2.2.26 misho 10: ait_val_t *p = NULL;
1.2.2.19 misho 11:
1.2.2.26 misho 12: if (!(p = io_allocVar())) {
1.2.2.19 misho 13: ioDEBUG(7, "Error:: in send packet prepare #%d - %s", io_GetErrno(), io_GetError());
14: return NULL;
15: }
16:
17: if (data && dlen > 0)
1.2.2.26 misho 18: AIT_SET_BUF(p, data, dlen);
1.2.2.19 misho 19:
20: return p;
21: }
22:
23: static inline void
1.2.2.26 misho 24: freePkt(ait_val_t ** __restrict p)
1.2.2.19 misho 25: {
1.2.2.20 misho 26: if (!p)
1.2.2.19 misho 27: return;
28:
1.2.2.26 misho 29: io_freeVar(p);
1.2.2.19 misho 30: }
31:
32: static void *
33: sendPacket(sched_task_t *task)
34: {
1.2.2.26 misho 35: ait_val_t *p = TASK_ARG(task);
1.2.2.19 misho 36: register int n, slen;
37: u_char *pos;
38:
1.2.2.26 misho 39: if (!p || AIT_ISEMPTY(p)) {
1.2.2.19 misho 40: ioDEBUG(9, "Error:: invalid packet or found empty content ...");
41: return NULL;
42: }
43:
1.2.2.26 misho 44: for (slen = AIT_LEN(p), pos = AIT_GET_BUF(p); slen > 0; slen -= n, pos += n) {
1.2.2.19 misho 45: n = send(TASK_FD(task), pos, slen, MSG_NOSIGNAL);
46: if (n == -1) {
47: ioSYSERR(0);
48: break;
49: }
50: }
51:
1.2.2.26 misho 52: freePkt(&p);
1.2.2.19 misho 53: return NULL;
54: }
55:
1.2.2.22 misho 56: /* --------------------------------------------------- */
1.2.2.19 misho 57:
1.2.2.17 misho 58: static int
1.2.2.22 misho 59: pubOnce(struct tagSession *sess, char * __restrict psTopic, int datlen)
1.2.2.17 misho 60: {
1.2.2.26 misho 61: ait_val_t *p = NULL;
1.2.2.22 misho 62: struct tagSession *s = NULL;
63: struct tagStore *st = NULL;
64: regex_t re;
65: regmatch_t match;
66: int ret;
67: char szStr[STRSIZ];
68:
69: TAILQ_FOREACH(s, &Sessions, sess_node) {
70: SLIST_FOREACH(st, &s->sess_subscr, st_node) {
71: if ((ret = regcomp(&re, st->st_subscr.sub_topic.msg_base, REG_EXTENDED))) {
72: regerror(ret, &re, szStr, sizeof szStr);
73: regfree(&re);
74: ioDEBUG(3, "Error:: regcomp(%s) %s\n", (char*)
75: st->st_subscr.sub_topic.msg_base, szStr);
76: }
77: if (!regexec(&re, psTopic, 1, &match, 0)) {
78: /* MATCH */
79: p = mkPkt(sess->sess_buf->msg_base, datlen);
1.2.2.23 misho 80: schedWrite(root, sendPacket, p, s->sess_sock, NULL, 0);
1.2.2.22 misho 81: }
82:
83: regfree(&re);
84: }
85: }
86:
1.2.2.17 misho 87: return 0;
88: }
89:
90: static int
1.2.2.26 misho 91: pubAck(struct tagSession *sess, u_short mid, char * __restrict psTopic, int datlen)
1.2.2.17 misho 92: {
1.2.2.26 misho 93: ait_val_t *p = NULL;
94: struct tagSession *s = NULL;
95: struct tagStore *st = NULL;
96: regex_t re;
97: regmatch_t match;
1.2.2.28 misho 98: int ret;
1.2.2.26 misho 99: char szStr[STRSIZ];
100: struct mqtthdr *hdr;
101:
102: p = mkPkt(sess->sess_buf->msg_base, datlen);
103: hdr = (struct mqtthdr*) sess->sess_buf->msg_base;
104:
105: /* write topic to database */
1.2.2.27 misho 106: call.DeletePUB_topic(&cfg, pub, sess->sess_cid, mid, psTopic, sess->sess_user,
107: sess->sess_addr, hdr->mqtt_msg.retain);
1.2.2.26 misho 108: call.WritePUB_topic(&cfg, pub, sess->sess_cid, mid, psTopic, AIT_GET_BUF(p), AIT_LEN(p),
1.2.2.27 misho 109: sess->sess_user, sess->sess_addr, hdr->mqtt_msg.qos, hdr->mqtt_msg.retain);
1.2.2.26 misho 110:
111: TAILQ_FOREACH(s, &Sessions, sess_node) {
112: SLIST_FOREACH(st, &s->sess_subscr, st_node) {
1.2.2.28 misho 113: /* check for QoS */
114: if (st->st_subscr.sub_ret < MQTT_QOS_ACK)
115: continue;
116:
1.2.2.26 misho 117: if ((ret = regcomp(&re, st->st_subscr.sub_topic.msg_base, REG_EXTENDED))) {
118: regerror(ret, &re, szStr, sizeof szStr);
119: regfree(&re);
120: ioDEBUG(3, "Error:: regcomp(%s) %s\n", (char*)
121: st->st_subscr.sub_topic.msg_base, szStr);
122: }
123: if (!regexec(&re, psTopic, 1, &match, 0)) {
1.2.2.28 misho 124: /* MATCH */
125: schedWrite(root, sendPacket, mkPkt(AIT_GET_BUF(p), AIT_LEN(p)),
126: s->sess_sock, NULL, 0);
1.2.2.26 misho 127: }
128:
129: regfree(&re);
130: }
131: }
132:
1.2.2.28 misho 133: /* delete not retain message */
1.2.2.27 misho 134: call.DeletePUB_topic(&cfg, pub, sess->sess_cid, mid, psTopic, sess->sess_user,
135: sess->sess_addr, 0);
1.2.2.28 misho 136:
137: freePkt(&p);
1.2.2.17 misho 138: return 0;
139: }
140:
141: static int
1.2.2.26 misho 142: pubExactly(struct tagSession *sess, u_short mid, char * __restrict psTopic, int datlen)
1.2.2.17 misho 143: {
1.2.2.28 misho 144: ait_val_t *p = NULL;
145: struct tagSession *s = NULL;
146: struct tagStore *st = NULL;
147: regex_t re;
148: regmatch_t match;
149: int ret;
150: char szStr[STRSIZ];
151: struct mqtthdr *hdr;
152:
153: p = mkPkt(sess->sess_buf->msg_base, datlen);
154: hdr = (struct mqtthdr*) sess->sess_buf->msg_base;
155:
156: /* write topic to database */
157: call.DeletePUB_topic(&cfg, pub, sess->sess_cid, mid, psTopic, sess->sess_user,
158: sess->sess_addr, hdr->mqtt_msg.retain);
159: call.WritePUB_topic(&cfg, pub, sess->sess_cid, mid, psTopic, AIT_GET_BUF(p), AIT_LEN(p),
160: sess->sess_user, sess->sess_addr, hdr->mqtt_msg.qos, hdr->mqtt_msg.retain);
161:
162: TAILQ_FOREACH(s, &Sessions, sess_node) {
163: SLIST_FOREACH(st, &s->sess_subscr, st_node) {
164: /* check for QoS */
165: if (st->st_subscr.sub_ret < MQTT_QOS_EXACTLY)
166: continue;
167:
168: if ((ret = regcomp(&re, st->st_subscr.sub_topic.msg_base, REG_EXTENDED))) {
169: regerror(ret, &re, szStr, sizeof szStr);
170: regfree(&re);
171: ioDEBUG(3, "Error:: regcomp(%s) %s\n", (char*)
172: st->st_subscr.sub_topic.msg_base, szStr);
173: }
174: if (!regexec(&re, psTopic, 1, &match, 0)) {
175: /* MATCH */
176: schedWrite(root, sendPacket, mkPkt(AIT_GET_BUF(p), AIT_LEN(p)),
177: s->sess_sock, NULL, 0);
178: }
179:
180: regfree(&re);
181: }
182: }
183:
184: freePkt(&p);
1.2.2.17 misho 185: return 0;
186: }
187:
188:
1.2 misho 189: int
1.2.2.9 misho 190: cmdPUBLISH(void *srv, int len, void *arg)
1.2 misho 191: {
192: struct mqtthdr *hdr;
1.2.2.1 misho 193: struct tagSession *sess = (struct tagSession*) arg;
1.2.2.17 misho 194: char szTopic[STRSIZ] = { 0 };
195: int siz = 0;
196: u_short mid = 0;
1.2.2.26 misho 197: ait_val_t *p = NULL;
1.2 misho 198:
199: ioTRACE(2);
200:
201: if (!sess)
202: return -1;
203:
1.2.2.17 misho 204: ioDEBUG(5, "Exec PUBLISH session");
1.2.2.22 misho 205: siz = mqtt_readPUBLISH(sess->sess_buf, szTopic, sizeof szTopic, &mid, NULL);
1.2.2.17 misho 206: if (siz == -1) {
207: ioDEBUG(5, "Error:: in readPUBLISH #%d - %s", mqtt_GetErrno(), mqtt_GetError());
208: return 0;
209: }
210:
1.2 misho 211: hdr = (struct mqtthdr*) sess->sess_buf->msg_base;
212: switch (hdr->mqtt_msg.qos) {
213: case MQTT_QOS_ACK:
1.2.2.26 misho 214: if (pubAck(sess, mid, szTopic, mqtt_pktLen(hdr)))
215: return 0;
1.2.2.17 misho 216: siz = mqtt_msgPUBACK(sess->sess_buf, mid);
217: if (siz == -1) {
218: ioDEBUG(5, "Error:: in msgPUBACK #%d - %s",
219: mqtt_GetErrno(), mqtt_GetError());
1.2.2.22 misho 220: return 0;
1.2.2.17 misho 221: }
1.2 misho 222: break;
223: case MQTT_QOS_EXACTLY:
1.2.2.26 misho 224: if (pubExactly(sess, mid, szTopic, mqtt_pktLen(hdr)))
225: return 0;
1.2.2.17 misho 226: siz = mqtt_msgPUBREC(sess->sess_buf, mid);
227: if (siz == -1) {
228: ioDEBUG(5, "Error:: in msgPUBREC #%d - %s",
229: mqtt_GetErrno(), mqtt_GetError());
1.2.2.22 misho 230: return 0;
1.2.2.17 misho 231: }
1.2 misho 232: break;
1.2.2.17 misho 233: case MQTT_QOS_ONCE:
1.2.2.23 misho 234: pubOnce(sess, szTopic, mqtt_pktLen(hdr));
1.2 misho 235: default:
1.2.2.22 misho 236: return 0;
1.2 misho 237: }
238:
1.2.2.22 misho 239: p = mkPkt(sess->sess_buf->msg_base, siz);
240: memset(sess->sess_buf->msg_base, 0, sess->sess_buf->msg_len);
241: schedWrite(root, sendPacket, p, sess->sess_sock, NULL, 0);
1.2 misho 242: return 0;
243: }
1.2.2.1 misho 244:
245: int
1.2.2.9 misho 246: cmdPUBREL(void *srv, int len, void *arg)
1.2.2.1 misho 247: {
248: struct tagSession *sess = (struct tagSession*) arg;
1.2.2.17 misho 249: int siz = 0;
250: u_short mid = 0;
1.2.2.26 misho 251: ait_val_t *p = NULL;
1.2.2.1 misho 252:
253: ioTRACE(2);
254:
255: if (!sess)
256: return -1;
257:
1.2.2.17 misho 258: ioDEBUG(5, "Exec PUBREL session");
259: mid = mqtt_readPUBREL(sess->sess_buf);
260: if (mid == (u_short) -1) {
261: ioDEBUG(5, "Error:: in readPUBREL #%d - %s", mqtt_GetErrno(), mqtt_GetError());
262: return 0;
263: }
264:
1.2.2.29! misho 265: /* delete not retain message */
! 266: call.DeletePUB_topic(&cfg, pub, sess->sess_cid, mid, "%", sess->sess_user,
! 267: sess->sess_addr, 0);
1.2.2.17 misho 268:
269: siz = mqtt_msgPUBCOMP(sess->sess_buf, mid);
270: if (siz == -1) {
271: ioDEBUG(5, "Error:: in msgPUBCOMP #%d - %s", mqtt_GetErrno(), mqtt_GetError());
272: return 0;
273: }
1.2.2.1 misho 274:
1.2.2.29! misho 275: p = mkPkt(sess->sess_buf->msg_base, siz);
! 276: memset(sess->sess_buf->msg_base, 0, sess->sess_buf->msg_len);
1.2.2.22 misho 277: schedWrite(root, sendPacket, p, sess->sess_sock, NULL, 0);
1.2.2.1 misho 278: return 0;
279: }
280:
281: int
1.2.2.9 misho 282: cmdSUBSCRIBE(void *srv, int len, void *arg)
1.2.2.1 misho 283: {
284: struct tagSession *sess = (struct tagSession*) arg;
1.2.2.7 misho 285: mqtt_subscr_t *subs = NULL;
286: int siz = 0;
287: u_short mid = 0;
288: register int i;
289: struct tagStore *store;
1.2.2.17 misho 290: char buf[BUFSIZ];
291: void *ptr;
1.2.2.26 misho 292: ait_val_t *p = NULL;
1.2.2.1 misho 293:
294: ioTRACE(2);
295:
296: if (!sess)
297: return -1;
298:
1.2.2.7 misho 299: ioDEBUG(5, "Exec SUBSCRIBE session");
300: siz = mqtt_readSUBSCRIBE(sess->sess_buf, &mid, &subs);
301: if (siz == -1) {
302: ioDEBUG(5, "Error:: in readSUBSCRIBE #%d - %s", mqtt_GetErrno(), mqtt_GetError());
303: return 0;
304: }
305:
306: /* add to db */
1.2.2.25 misho 307: for (i = 0; i < siz; i++, subs[i].sub_ret = MQTT_QOS_DENY) {
1.2.2.17 misho 308: /* convert topic to sql search statement */
309: if (mqtt_sqlTopic(subs[i].sub_topic.msg_base, buf, sizeof buf) == -1) {
310: ioDEBUG(5, "Error:: in db #%d - %s", mqtt_GetErrno(), mqtt_GetError());
1.2.2.25 misho 311: continue;
1.2.2.17 misho 312: }
313: if (call.WritePUB_subscribe(&cfg, pub, sess->sess_cid, mid, buf,
1.2.2.8 misho 314: sess->sess_user, sess->sess_addr, subs[i].sub_ret) > 0) {
1.2.2.18 misho 315: store = io_malloc(sizeof(struct tagStore));
1.2.2.7 misho 316: if (!store) {
317: ioSYSERR(0);
1.2.2.25 misho 318: continue;
1.2.2.7 misho 319: } else {
320: store->st_msgid = mid;
1.2.2.8 misho 321: mqtt_subCopy(&store->st_subscr, &subs[i]);
1.2.2.7 misho 322: }
323:
324: /* add to cache */
325: SLIST_INSERT_HEAD(&sess->sess_subscr, store, st_node);
326:
1.2.2.17 misho 327: /* convert topic to regexp */
1.2.2.24 misho 328: if (mqtt_expandTopic(subs[i].sub_topic.msg_base, buf, sizeof buf, 1, 1) == -1) {
1.2.2.17 misho 329: ioDEBUG(5, "Error:: in regexp #%d - %s", mqtt_GetErrno(), mqtt_GetError());
1.2.2.24 misho 330:
331: subs[i].sub_ret = MQTT_QOS_DENY;
1.2.2.17 misho 332: } else {
333: ptr = realloc(store->st_subscr.sub_topic.msg_base, strlen(buf) + 1);
1.2.2.25 misho 334: if (!ptr)
1.2.2.17 misho 335: ioSYSERR(0);
1.2.2.25 misho 336: else {
1.2.2.17 misho 337: store->st_subscr.sub_topic.msg_base = ptr;
338: store->st_subscr.sub_topic.msg_len = strlen(buf) + 1;
339: memcpy(store->st_subscr.sub_topic.msg_base, buf,
340: store->st_subscr.sub_topic.msg_len);
341: }
342:
1.2.2.24 misho 343: call.LOG(logg, "Added [%s] SUBSCRIBE '%s'(%d) from %s\n", sess->sess_cid,
344: store->st_subscr.sub_topic.msg_base,
345: store->st_subscr.sub_topic.msg_len, sess->sess_addr);
1.2.2.17 misho 346:
1.2.2.24 misho 347: subs[i].sub_ret = MQTT_QOS_PASS;
348: }
1.2.2.25 misho 349: }
1.2.2.7 misho 350: }
1.2.2.1 misho 351:
1.2.2.7 misho 352: /* send acknowledge */
353: siz = mqtt_msgSUBACK(sess->sess_buf, subs, mid);
354: if (siz == -1) {
355: ioDEBUG(5, "Error:: in msgSUBACK #%d - %s", mqtt_GetErrno(), mqtt_GetError());
356: goto end;
1.2.2.21 misho 357: } else {
358: p = mkPkt(sess->sess_buf->msg_base, siz);
1.2.2.8 misho 359: memset(sess->sess_buf->msg_base, 0, sess->sess_buf->msg_len);
360: }
1.2.2.21 misho 361:
362: schedWrite(root, sendPacket, p, sess->sess_sock, NULL, 0);
1.2.2.7 misho 363: end:
364: mqtt_subFree(&subs);
1.2.2.1 misho 365: return 0;
366: }
367:
368: int
1.2.2.9 misho 369: cmdUNSUBSCRIBE(void *srv, int len, void *arg)
1.2.2.1 misho 370: {
371: struct tagSession *sess = (struct tagSession*) arg;
1.2.2.13 misho 372: mqtt_subscr_t *subs = NULL;
373: int siz = 0;
374: u_short mid = 0;
375: register int i;
376: struct tagStore *store, *tmp;
1.2.2.26 misho 377: ait_val_t *p = NULL;
1.2.2.1 misho 378:
379: ioTRACE(2);
380:
381: if (!sess)
382: return -1;
383:
1.2.2.13 misho 384: ioDEBUG(5, "Exec UNSUBSCRIBE session");
385: siz = mqtt_readUNSUBSCRIBE(sess->sess_buf, &mid, &subs);
386: if (siz == -1) {
387: ioDEBUG(5, "Error:: in readUNSUBSCRIBE #%d - %s", mqtt_GetErrno(), mqtt_GetError());
388: return 0;
389: }
390:
391: /* del from db */
392: for (i = 0; i < siz; i++) {
393: SLIST_FOREACH_SAFE(store, &sess->sess_subscr, st_node, tmp) {
394: if (store->st_subscr.sub_ret == subs[i].sub_ret &&
395: store->st_subscr.sub_topic.msg_base &&
396: !strcmp(store->st_subscr.sub_topic.msg_base,
397: subs[i].sub_topic.msg_base)) {
398: SLIST_REMOVE(&sess->sess_subscr, store, tagStore, st_node);
1.2.2.14 misho 399:
400: if (store->st_subscr.sub_topic.msg_base)
401: free(store->st_subscr.sub_topic.msg_base);
402: if (store->st_subscr.sub_value.msg_base)
403: free(store->st_subscr.sub_value.msg_base);
1.2.2.18 misho 404: io_free(store);
1.2.2.13 misho 405: }
406: }
407:
1.2.2.15 misho 408: call.DeletePUB_subscribe(&cfg, pub, sess->sess_cid, subs[i].sub_topic.msg_base,
409: sess->sess_user, "%");
1.2.2.13 misho 410: }
411:
412: /* send acknowledge */
413: siz = mqtt_msgUNSUBACK(sess->sess_buf, mid);
414: if (siz == -1) {
415: ioDEBUG(5, "Error:: in msgUNSUBACK #%d - %s", mqtt_GetErrno(), mqtt_GetError());
416: goto end;
1.2.2.21 misho 417: } else {
418: p = mkPkt(sess->sess_buf->msg_base, siz);
1.2.2.13 misho 419: memset(sess->sess_buf->msg_base, 0, sess->sess_buf->msg_len);
420: }
1.2.2.21 misho 421:
422: schedWrite(root, sendPacket, p, sess->sess_sock, NULL, 0);
1.2.2.13 misho 423: end:
424: mqtt_subFree(&subs);
1.2.2.1 misho 425: return 0;
426: }
427:
428: int
1.2.2.9 misho 429: cmdPINGREQ(void *srv, int len, void *arg)
1.2.2.1 misho 430: {
431: struct tagSession *sess = (struct tagSession*) arg;
1.2.2.2 misho 432: int siz = 0;
1.2.2.26 misho 433: ait_val_t *p = NULL;
1.2.2.1 misho 434:
435: ioTRACE(2);
436:
437: if (!sess)
438: return -1;
439:
1.2.2.7 misho 440: ioDEBUG(5, "Exec PINGREQ session");
1.2.2.2 misho 441: siz = mqtt_msgPINGRESP(sess->sess_buf);
442: if (siz == -1) {
443: ioDEBUG(5, "Error:: in msgPINGRESP #%d - %s", mqtt_GetErrno(), mqtt_GetError());
444: return 0;
1.2.2.8 misho 445: } else {
1.2.2.19 misho 446: p = mkPkt(sess->sess_buf->msg_base, siz);
1.2.2.8 misho 447: memset(sess->sess_buf->msg_base, 0, sess->sess_buf->msg_len);
448: }
1.2.2.1 misho 449:
1.2.2.19 misho 450: schedWrite(root, sendPacket, p, sess->sess_sock, NULL, 0);
1.2.2.1 misho 451: return 0;
452: }
453:
454: int
1.2.2.9 misho 455: cmdCONNECT(void *srv, int len, void *arg)
1.2.2.1 misho 456: {
457: struct tagStore *store;
458: struct tagSession *sess = (struct tagSession*) arg;
459:
460: ioTRACE(2);
461:
462: if (!sess)
463: return -1;
464:
1.2.2.6 misho 465: ioDEBUG(5, "Exec CONNECT session");
1.2.2.1 misho 466: TAILQ_REMOVE(&Sessions, sess, sess_node);
467:
1.2.2.16 misho 468: if (sess->sess_clean) {
469: if (call.FiniSessPUB)
470: call.FiniSessPUB(&cfg, pub, sess->sess_cid, sess->sess_user, "%");
471: if (call.DeletePUB_subscribe)
472: call.DeletePUB_subscribe(&cfg, pub, sess->sess_cid, "%", sess->sess_user, "%");
473: if (call.WipePUB_topic)
474: call.WipePUB_topic(&cfg, pub, sess->sess_cid, sess->sess_user, -1);
475: }
1.2.2.1 misho 476:
1.2.2.6 misho 477: while ((store = SLIST_FIRST(&sess->sess_subscr))) {
478: SLIST_REMOVE_HEAD(&sess->sess_subscr, st_node);
1.2.2.3 misho 479:
1.2.2.6 misho 480: if (store->st_subscr.sub_topic.msg_base)
481: free(store->st_subscr.sub_topic.msg_base);
482: if (store->st_subscr.sub_value.msg_base)
483: free(store->st_subscr.sub_value.msg_base);
484:
1.2.2.18 misho 485: io_free(store);
1.2.2.6 misho 486: }
1.2.2.1 misho 487:
488: if (sess->sess_will.msg)
489: free(sess->sess_will.msg);
490: if (sess->sess_will.topic)
491: free(sess->sess_will.topic);
492:
493: call.LOG(logg, "Session %s stopped from %s for user %s.\n", sess->sess_cid,
494: sess->sess_addr, sess->sess_user);
1.2.2.9 misho 495:
1.2.2.12 misho 496: return -3; /* reconnect client */
1.2.2.1 misho 497: }
498:
499: int
1.2.2.9 misho 500: cmdDISCONNECT(void *srv, int len, void *arg)
1.2.2.1 misho 501: {
502: struct tagSession *sess = (struct tagSession*) arg;
503:
504: ioTRACE(2);
505:
506: if (!sess)
507: return -1;
508:
1.2.2.5 misho 509: ioDEBUG(5, "Exec DISCONNECT session");
1.2.2.10 misho 510:
1.2.2.1 misho 511: call.LOG(logg, "Session %s stopped from %s for user %s.\n", sess->sess_cid,
512: sess->sess_addr, sess->sess_user);
1.2.2.9 misho 513:
1.2.2.10 misho 514: return -2; /* must terminate dispatcher */
1.2.2.1 misho 515: }
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