--- mqtt/src/mqttd_calls.c 2012/05/22 14:15:04 1.2.2.17 +++ mqtt/src/mqttd_calls.c 2012/06/26 08:05:58 1.2.2.26 @@ -4,23 +4,135 @@ #include "mqttd_calls.h" +static inline ait_val_t * +mkPkt(void * __restrict data, int dlen) +{ + ait_val_t *p = NULL; + + if (!(p = io_allocVar())) { + ioDEBUG(7, "Error:: in send packet prepare #%d - %s", io_GetErrno(), io_GetError()); + return NULL; + } + + if (data && dlen > 0) + AIT_SET_BUF(p, data, dlen); + + return p; +} + +static inline void +freePkt(ait_val_t ** __restrict p) +{ + if (!p) + return; + + io_freeVar(p); +} + +static void * +sendPacket(sched_task_t *task) +{ + ait_val_t *p = TASK_ARG(task); + register int n, slen; + u_char *pos; + + if (!p || AIT_ISEMPTY(p)) { + ioDEBUG(9, "Error:: invalid packet or found empty content ..."); + return NULL; + } + + for (slen = AIT_LEN(p), pos = AIT_GET_BUF(p); slen > 0; slen -= n, pos += n) { + n = send(TASK_FD(task), pos, slen, MSG_NOSIGNAL); + if (n == -1) { + ioSYSERR(0); + break; + } + } + + freePkt(&p); + return NULL; +} + +/* --------------------------------------------------- */ + static int -pubOnce(struct tagSession *sess, u_short mid, char * __restrict psTopic, - int topicLen, char * __restrict data, int datlen) +pubOnce(struct tagSession *sess, char * __restrict psTopic, int datlen) { + ait_val_t *p = NULL; + struct tagSession *s = NULL; + struct tagStore *st = NULL; + regex_t re; + regmatch_t match; + int ret; + char szStr[STRSIZ]; + + TAILQ_FOREACH(s, &Sessions, sess_node) { + SLIST_FOREACH(st, &s->sess_subscr, st_node) { + if ((ret = regcomp(&re, st->st_subscr.sub_topic.msg_base, REG_EXTENDED))) { + regerror(ret, &re, szStr, sizeof szStr); + regfree(&re); + ioDEBUG(3, "Error:: regcomp(%s) %s\n", (char*) + st->st_subscr.sub_topic.msg_base, szStr); + } + if (!regexec(&re, psTopic, 1, &match, 0)) { + /* MATCH */ + p = mkPkt(sess->sess_buf->msg_base, datlen); + schedWrite(root, sendPacket, p, s->sess_sock, NULL, 0); + } + + regfree(&re); + } + } + return 0; } static int -pubAck(struct tagSession *sess, u_short mid, char * __restrict psTopic, - int topicLen, char * __restrict data, int datlen) +pubAck(struct tagSession *sess, u_short mid, char * __restrict psTopic, int datlen) { + ait_val_t *p = NULL; + struct tagSession *s = NULL; + struct tagStore *st = NULL; + regex_t re; + regmatch_t match; + int ret, flg = 0; + char szStr[STRSIZ]; + struct mqtthdr *hdr; + + p = mkPkt(sess->sess_buf->msg_base, datlen); + hdr = (struct mqtthdr*) sess->sess_buf->msg_base; + + /* write topic to database */ + call.WritePUB_topic(&cfg, pub, sess->sess_cid, mid, psTopic, AIT_GET_BUF(p), AIT_LEN(p), + sess->sess_user, sess->sess_addr, hdr->mqtt_msg.retain); + + TAILQ_FOREACH(s, &Sessions, sess_node) { + SLIST_FOREACH(st, &s->sess_subscr, st_node) { + if ((ret = regcomp(&re, st->st_subscr.sub_topic.msg_base, REG_EXTENDED))) { + regerror(ret, &re, szStr, sizeof szStr); + regfree(&re); + ioDEBUG(3, "Error:: regcomp(%s) %s\n", (char*) + st->st_subscr.sub_topic.msg_base, szStr); + } + if (!regexec(&re, psTopic, 1, &match, 0)) { + flg = 1; /* MATCH */ + schedWrite(root, sendPacket, p, s->sess_sock, NULL, 0); + } + + regfree(&re); + } + } + + /* if subscriber not found then free packet */ + if (!flg) + freePkt(&p); + + call.DeletePUB_topic(&cfg, pub, sess->sess_cid, mid, psTopic, sess->sess_user, sess->sess_addr, -1); return 0; } static int -pubExactly(struct tagSession *sess, u_short mid, char * __restrict psTopic, - int topicLen, char * __restrict data, int datlen) +pubExactly(struct tagSession *sess, u_short mid, char * __restrict psTopic, int datlen) { return 0; } @@ -31,10 +143,10 @@ cmdPUBLISH(void *srv, int len, void *arg) { struct mqtthdr *hdr; struct tagSession *sess = (struct tagSession*) arg; - void *data = NULL; char szTopic[STRSIZ] = { 0 }; int siz = 0; u_short mid = 0; + ait_val_t *p = NULL; ioTRACE(2); @@ -42,7 +154,7 @@ cmdPUBLISH(void *srv, int len, void *arg) return -1; ioDEBUG(5, "Exec PUBLISH session"); - siz = mqtt_readPUBLISH(sess->sess_buf, szTopic, sizeof szTopic, &mid, &data); + siz = mqtt_readPUBLISH(sess->sess_buf, szTopic, sizeof szTopic, &mid, NULL); if (siz == -1) { ioDEBUG(5, "Error:: in readPUBLISH #%d - %s", mqtt_GetErrno(), mqtt_GetError()); return 0; @@ -51,38 +163,34 @@ cmdPUBLISH(void *srv, int len, void *arg) hdr = (struct mqtthdr*) sess->sess_buf->msg_base; switch (hdr->mqtt_msg.qos) { case MQTT_QOS_ACK: - pubAck(sess, mid, szTopic, sizeof szTopic, data, siz); + if (pubAck(sess, mid, szTopic, mqtt_pktLen(hdr))) + return 0; siz = mqtt_msgPUBACK(sess->sess_buf, mid); if (siz == -1) { ioDEBUG(5, "Error:: in msgPUBACK #%d - %s", mqtt_GetErrno(), mqtt_GetError()); - goto end; + return 0; } break; case MQTT_QOS_EXACTLY: - pubExactly(sess, mid, szTopic, sizeof szTopic, data, siz); + if (pubExactly(sess, mid, szTopic, mqtt_pktLen(hdr))) + return 0; siz = mqtt_msgPUBREC(sess->sess_buf, mid); if (siz == -1) { ioDEBUG(5, "Error:: in msgPUBREC #%d - %s", mqtt_GetErrno(), mqtt_GetError()); - goto end; + return 0; } break; case MQTT_QOS_ONCE: - pubOnce(sess, mid, szTopic, sizeof szTopic, data, siz); + pubOnce(sess, szTopic, mqtt_pktLen(hdr)); default: - goto end; + return 0; } - if ((siz = send(sess->sess_sock, sess->sess_buf->msg_base, siz, MSG_NOSIGNAL)) == -1) - ioSYSERR(0); - else { - ioDEBUG(5, "Sended %d bytes.", siz); - memset(sess->sess_buf->msg_base, 0, sess->sess_buf->msg_len); - } -end: - if (data) - free(data); + p = mkPkt(sess->sess_buf->msg_base, siz); + memset(sess->sess_buf->msg_base, 0, sess->sess_buf->msg_len); + schedWrite(root, sendPacket, p, sess->sess_sock, NULL, 0); return 0; } @@ -92,6 +200,7 @@ cmdPUBREL(void *srv, int len, void *arg) struct tagSession *sess = (struct tagSession*) arg; int siz = 0; u_short mid = 0; + ait_val_t *p = NULL; ioTRACE(2); @@ -111,14 +220,12 @@ cmdPUBREL(void *srv, int len, void *arg) if (siz == -1) { ioDEBUG(5, "Error:: in msgPUBCOMP #%d - %s", mqtt_GetErrno(), mqtt_GetError()); return 0; - } - if ((siz = send(sess->sess_sock, sess->sess_buf->msg_base, siz, MSG_NOSIGNAL)) == -1) - ioSYSERR(0); - else { - ioDEBUG(5, "Sended %d bytes.", siz); + } else { + p = mkPkt(sess->sess_buf->msg_base, siz); memset(sess->sess_buf->msg_base, 0, sess->sess_buf->msg_len); } + schedWrite(root, sendPacket, p, sess->sess_sock, NULL, 0); return 0; } @@ -133,6 +240,7 @@ cmdSUBSCRIBE(void *srv, int len, void *arg) struct tagStore *store; char buf[BUFSIZ]; void *ptr; + ait_val_t *p = NULL; ioTRACE(2); @@ -147,18 +255,18 @@ cmdSUBSCRIBE(void *srv, int len, void *arg) } /* add to db */ - for (i = 0; i < siz; i++) { + for (i = 0; i < siz; i++, subs[i].sub_ret = MQTT_QOS_DENY) { /* convert topic to sql search statement */ if (mqtt_sqlTopic(subs[i].sub_topic.msg_base, buf, sizeof buf) == -1) { ioDEBUG(5, "Error:: in db #%d - %s", mqtt_GetErrno(), mqtt_GetError()); - goto end; + continue; } if (call.WritePUB_subscribe(&cfg, pub, sess->sess_cid, mid, buf, sess->sess_user, sess->sess_addr, subs[i].sub_ret) > 0) { - store = malloc(sizeof(struct tagStore)); + store = io_malloc(sizeof(struct tagStore)); if (!store) { ioSYSERR(0); - goto end; + continue; } else { store->st_msgid = mid; mqtt_subCopy(&store->st_subscr, &subs[i]); @@ -168,29 +276,28 @@ cmdSUBSCRIBE(void *srv, int len, void *arg) SLIST_INSERT_HEAD(&sess->sess_subscr, store, st_node); /* convert topic to regexp */ - if (mqtt_expandTopic(subs[i].sub_topic.msg_base, buf, sizeof buf, 1, 0) == -1) { + if (mqtt_expandTopic(subs[i].sub_topic.msg_base, buf, sizeof buf, 1, 1) == -1) { ioDEBUG(5, "Error:: in regexp #%d - %s", mqtt_GetErrno(), mqtt_GetError()); - goto end; + + subs[i].sub_ret = MQTT_QOS_DENY; } else { ptr = realloc(store->st_subscr.sub_topic.msg_base, strlen(buf) + 1); - if (!ptr) { + if (!ptr) ioSYSERR(0); - goto end; - } else { + else { store->st_subscr.sub_topic.msg_base = ptr; store->st_subscr.sub_topic.msg_len = strlen(buf) + 1; memcpy(store->st_subscr.sub_topic.msg_base, buf, store->st_subscr.sub_topic.msg_len); } - } - call.LOG(logg, "Added [%s] SUBSCRIBE '%s'(%d) from %s\n", sess->sess_cid, - store->st_subscr.sub_topic.msg_base, - store->st_subscr.sub_topic.msg_len, sess->sess_addr); + call.LOG(logg, "Added [%s] SUBSCRIBE '%s'(%d) from %s\n", sess->sess_cid, + store->st_subscr.sub_topic.msg_base, + store->st_subscr.sub_topic.msg_len, sess->sess_addr); - subs[i].sub_ret = MQTT_QOS_PASS; - } else - subs[i].sub_ret = MQTT_QOS_DENY; + subs[i].sub_ret = MQTT_QOS_PASS; + } + } } /* send acknowledge */ @@ -198,13 +305,12 @@ cmdSUBSCRIBE(void *srv, int len, void *arg) if (siz == -1) { ioDEBUG(5, "Error:: in msgSUBACK #%d - %s", mqtt_GetErrno(), mqtt_GetError()); goto end; - } - if ((siz = send(sess->sess_sock, sess->sess_buf->msg_base, siz, MSG_NOSIGNAL)) == -1) - ioSYSERR(0); - else { - ioDEBUG(5, "Sended %d bytes.", siz); + } else { + p = mkPkt(sess->sess_buf->msg_base, siz); memset(sess->sess_buf->msg_base, 0, sess->sess_buf->msg_len); } + + schedWrite(root, sendPacket, p, sess->sess_sock, NULL, 0); end: mqtt_subFree(&subs); return 0; @@ -219,6 +325,7 @@ cmdUNSUBSCRIBE(void *srv, int len, void *arg) u_short mid = 0; register int i; struct tagStore *store, *tmp; + ait_val_t *p = NULL; ioTRACE(2); @@ -245,7 +352,7 @@ cmdUNSUBSCRIBE(void *srv, int len, void *arg) free(store->st_subscr.sub_topic.msg_base); if (store->st_subscr.sub_value.msg_base) free(store->st_subscr.sub_value.msg_base); - free(store); + io_free(store); } } @@ -258,13 +365,12 @@ cmdUNSUBSCRIBE(void *srv, int len, void *arg) if (siz == -1) { ioDEBUG(5, "Error:: in msgUNSUBACK #%d - %s", mqtt_GetErrno(), mqtt_GetError()); goto end; - } - if ((siz = send(sess->sess_sock, sess->sess_buf->msg_base, siz, MSG_NOSIGNAL)) == -1) - ioSYSERR(0); - else { - ioDEBUG(5, "Sended %d bytes.", siz); + } else { + p = mkPkt(sess->sess_buf->msg_base, siz); memset(sess->sess_buf->msg_base, 0, sess->sess_buf->msg_len); } + + schedWrite(root, sendPacket, p, sess->sess_sock, NULL, 0); end: mqtt_subFree(&subs); return 0; @@ -275,6 +381,7 @@ cmdPINGREQ(void *srv, int len, void *arg) { struct tagSession *sess = (struct tagSession*) arg; int siz = 0; + ait_val_t *p = NULL; ioTRACE(2); @@ -286,15 +393,12 @@ cmdPINGREQ(void *srv, int len, void *arg) if (siz == -1) { ioDEBUG(5, "Error:: in msgPINGRESP #%d - %s", mqtt_GetErrno(), mqtt_GetError()); return 0; - } - if ((siz = send(sess->sess_sock, sess->sess_buf->msg_base, siz, MSG_NOSIGNAL)) == -1) { - ioSYSERR(0); - return 0; } else { - ioDEBUG(5, "Sended %d bytes.", siz); + p = mkPkt(sess->sess_buf->msg_base, siz); memset(sess->sess_buf->msg_base, 0, sess->sess_buf->msg_len); } + schedWrite(root, sendPacket, p, sess->sess_sock, NULL, 0); return 0; } @@ -329,7 +433,7 @@ cmdCONNECT(void *srv, int len, void *arg) if (store->st_subscr.sub_value.msg_base) free(store->st_subscr.sub_value.msg_base); - free(store); + io_free(store); } if (sess->sess_will.msg)