--- mqtt/src/mqttd_calls.c 2012/04/27 16:41:56 1.2.2.8 +++ mqtt/src/mqttd_calls.c 2012/05/22 14:15:04 1.2.2.17 @@ -4,52 +4,126 @@ #include "mqttd_calls.h" +static int +pubOnce(struct tagSession *sess, u_short mid, char * __restrict psTopic, + int topicLen, char * __restrict data, int datlen) +{ + return 0; +} + +static int +pubAck(struct tagSession *sess, u_short mid, char * __restrict psTopic, + int topicLen, char * __restrict data, int datlen) +{ + return 0; +} + +static int +pubExactly(struct tagSession *sess, u_short mid, char * __restrict psTopic, + int topicLen, char * __restrict data, int datlen) +{ + return 0; +} + + int -cmdPUBLISH(void *srv, void *arg) +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; ioTRACE(2); if (!sess) return -1; + ioDEBUG(5, "Exec PUBLISH session"); + siz = mqtt_readPUBLISH(sess->sess_buf, szTopic, sizeof szTopic, &mid, &data); + if (siz == -1) { + ioDEBUG(5, "Error:: in readPUBLISH #%d - %s", mqtt_GetErrno(), mqtt_GetError()); + return 0; + } + hdr = (struct mqtthdr*) sess->sess_buf->msg_base; switch (hdr->mqtt_msg.qos) { - case MQTT_QOS_ONCE: - break; case MQTT_QOS_ACK: + pubAck(sess, mid, szTopic, sizeof szTopic, data, siz); + siz = mqtt_msgPUBACK(sess->sess_buf, mid); + if (siz == -1) { + ioDEBUG(5, "Error:: in msgPUBACK #%d - %s", + mqtt_GetErrno(), mqtt_GetError()); + goto end; + } break; case MQTT_QOS_EXACTLY: + pubExactly(sess, mid, szTopic, sizeof szTopic, data, siz); + siz = mqtt_msgPUBREC(sess->sess_buf, mid); + if (siz == -1) { + ioDEBUG(5, "Error:: in msgPUBREC #%d - %s", + mqtt_GetErrno(), mqtt_GetError()); + goto end; + } break; + case MQTT_QOS_ONCE: + pubOnce(sess, mid, szTopic, sizeof szTopic, data, siz); default: - ioDEBUG(1, "Error:: Unknown QoS %d - rejected publishing request", - hdr->mqtt_msg.qos); - return 0; + 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); + memset(sess->sess_buf->msg_base, 0, sess->sess_buf->msg_len); + } +end: + if (data) + free(data); return 0; } int -cmdPUBREL(void *srv, void *arg) +cmdPUBREL(void *srv, int len, void *arg) { - struct mqtthdr *hdr; struct tagSession *sess = (struct tagSession*) arg; + int siz = 0; + u_short mid = 0; ioTRACE(2); if (!sess) return -1; - hdr = (struct mqtthdr*) sess->sess_buf->msg_base; + ioDEBUG(5, "Exec PUBREL session"); + mid = mqtt_readPUBREL(sess->sess_buf); + if (mid == (u_short) -1) { + ioDEBUG(5, "Error:: in readPUBREL #%d - %s", mqtt_GetErrno(), mqtt_GetError()); + return 0; + } + // TODO:: Delete from database topic + + siz = mqtt_msgPUBCOMP(sess->sess_buf, mid); + 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); + memset(sess->sess_buf->msg_base, 0, sess->sess_buf->msg_len); + } + return 0; } int -cmdSUBSCRIBE(void *srv, void *arg) +cmdSUBSCRIBE(void *srv, int len, void *arg) { struct tagSession *sess = (struct tagSession*) arg; mqtt_subscr_t *subs = NULL; @@ -57,6 +131,8 @@ cmdSUBSCRIBE(void *srv, void *arg) u_short mid = 0; register int i; struct tagStore *store; + char buf[BUFSIZ]; + void *ptr; ioTRACE(2); @@ -72,7 +148,12 @@ cmdSUBSCRIBE(void *srv, void *arg) /* add to db */ for (i = 0; i < siz; i++) { - if (call.WritePUB_subscribe(&cfg, pub, mid, subs[i].sub_topic.msg_base, + /* 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; + } + 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)); if (!store) { @@ -84,10 +165,29 @@ cmdSUBSCRIBE(void *srv, void *arg) } /* add to cache */ - SESS_ELEM_LOCK(sess); SLIST_INSERT_HEAD(&sess->sess_subscr, store, st_node); - SESS_ELEM_UNLOCK(sess); + /* convert topic to regexp */ + if (mqtt_expandTopic(subs[i].sub_topic.msg_base, buf, sizeof buf, 1, 0) == -1) { + ioDEBUG(5, "Error:: in regexp #%d - %s", mqtt_GetErrno(), mqtt_GetError()); + goto end; + } else { + ptr = realloc(store->st_subscr.sub_topic.msg_base, strlen(buf) + 1); + if (!ptr) { + ioSYSERR(0); + goto end; + } 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); + subs[i].sub_ret = MQTT_QOS_PASS; } else subs[i].sub_ret = MQTT_QOS_DENY; @@ -99,7 +199,7 @@ cmdSUBSCRIBE(void *srv, void *arg) 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, 0)) == -1) + if ((siz = send(sess->sess_sock, sess->sess_buf->msg_base, siz, MSG_NOSIGNAL)) == -1) ioSYSERR(0); else { ioDEBUG(5, "Sended %d bytes.", siz); @@ -111,20 +211,67 @@ end: } int -cmdUNSUBSCRIBE(void *srv, void *arg) +cmdUNSUBSCRIBE(void *srv, int len, void *arg) { struct tagSession *sess = (struct tagSession*) arg; + mqtt_subscr_t *subs = NULL; + int siz = 0; + u_short mid = 0; + register int i; + struct tagStore *store, *tmp; ioTRACE(2); if (!sess) return -1; + ioDEBUG(5, "Exec UNSUBSCRIBE session"); + siz = mqtt_readUNSUBSCRIBE(sess->sess_buf, &mid, &subs); + if (siz == -1) { + ioDEBUG(5, "Error:: in readUNSUBSCRIBE #%d - %s", mqtt_GetErrno(), mqtt_GetError()); + return 0; + } + + /* del from db */ + for (i = 0; i < siz; i++) { + SLIST_FOREACH_SAFE(store, &sess->sess_subscr, st_node, tmp) { + if (store->st_subscr.sub_ret == subs[i].sub_ret && + store->st_subscr.sub_topic.msg_base && + !strcmp(store->st_subscr.sub_topic.msg_base, + subs[i].sub_topic.msg_base)) { + SLIST_REMOVE(&sess->sess_subscr, store, tagStore, st_node); + + if (store->st_subscr.sub_topic.msg_base) + 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); + } + } + + call.DeletePUB_subscribe(&cfg, pub, sess->sess_cid, subs[i].sub_topic.msg_base, + sess->sess_user, "%"); + } + + /* send acknowledge */ + siz = mqtt_msgUNSUBACK(sess->sess_buf, mid); + 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); + memset(sess->sess_buf->msg_base, 0, sess->sess_buf->msg_len); + } +end: + mqtt_subFree(&subs); return 0; } int -cmdPINGREQ(void *srv, void *arg) +cmdPINGREQ(void *srv, int len, void *arg) { struct tagSession *sess = (struct tagSession*) arg; int siz = 0; @@ -140,7 +287,7 @@ cmdPINGREQ(void *srv, void *arg) 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, 0)) == -1) { + if ((siz = send(sess->sess_sock, sess->sess_buf->msg_base, siz, MSG_NOSIGNAL)) == -1) { ioSYSERR(0); return 0; } else { @@ -152,7 +299,7 @@ cmdPINGREQ(void *srv, void *arg) } int -cmdCONNECT(void *srv, void *arg) +cmdCONNECT(void *srv, int len, void *arg) { struct tagStore *store; struct tagSession *sess = (struct tagSession*) arg; @@ -163,14 +310,17 @@ cmdCONNECT(void *srv, void *arg) return -1; ioDEBUG(5, "Exec CONNECT session"); - SESS_LOCK; TAILQ_REMOVE(&Sessions, sess, sess_node); - SESS_UNLOCK; - if (call.FiniSessPUB) - call.FiniSessPUB(&cfg, pub, sess->sess_cid, sess->sess_user, "%"); + if (sess->sess_clean) { + if (call.FiniSessPUB) + call.FiniSessPUB(&cfg, pub, sess->sess_cid, sess->sess_user, "%"); + if (call.DeletePUB_subscribe) + call.DeletePUB_subscribe(&cfg, pub, sess->sess_cid, "%", sess->sess_user, "%"); + if (call.WipePUB_topic) + call.WipePUB_topic(&cfg, pub, sess->sess_cid, sess->sess_user, -1); + } - SESS_ELEM_LOCK(sess); while ((store = SLIST_FIRST(&sess->sess_subscr))) { SLIST_REMOVE_HEAD(&sess->sess_subscr, st_node); @@ -181,7 +331,6 @@ cmdCONNECT(void *srv, void *arg) free(store); } - SESS_ELEM_UNLOCK(sess); if (sess->sess_will.msg) free(sess->sess_will.msg); @@ -190,11 +339,12 @@ cmdCONNECT(void *srv, void *arg) call.LOG(logg, "Session %s stopped from %s for user %s.\n", sess->sess_cid, sess->sess_addr, sess->sess_user); - return 0; + + return -3; /* reconnect client */ } int -cmdDISCONNECT(void *srv, void *arg) +cmdDISCONNECT(void *srv, int len, void *arg) { struct tagSession *sess = (struct tagSession*) arg; @@ -204,11 +354,9 @@ cmdDISCONNECT(void *srv, void *arg) return -1; ioDEBUG(5, "Exec DISCONNECT session"); - SESS_LOCK; - TAILQ_REMOVE(&Sessions, sess, sess_node); - SESS_UNLOCK; call.LOG(logg, "Session %s stopped from %s for user %s.\n", sess->sess_cid, sess->sess_addr, sess->sess_user); - return 0; + + return -2; /* must terminate dispatcher */ }