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| version 1.1.2.24, 2011/12/16 12:16:17 | version 1.1.2.29, 2012/01/05 10:01:20 |
|---|---|
| Line 79 stopSession(struct tagSession *sess) | Line 79 stopSession(struct tagSession *sess) |
| mqtt_msg_t msg = { NULL, 0 }; | mqtt_msg_t msg = { NULL, 0 }; |
| int ret; | int ret; |
| ioTRACE(4); | |
| assert(sess); | |
| pthread_mutex_lock(&mtx_sess); | pthread_mutex_lock(&mtx_sess); |
| TAILQ_REMOVE(&Sessions, sess, sess_node); | TAILQ_REMOVE(&Sessions, sess, sess_node); |
| pthread_mutex_unlock(&mtx_sess); | pthread_mutex_unlock(&mtx_sess); |
| Line 89 stopSession(struct tagSession *sess) | Line 93 stopSession(struct tagSession *sess) |
| else { | else { |
| ioDEBUG(5, "Sended %d bytes for disconnect", ret); | ioDEBUG(5, "Sended %d bytes for disconnect", ret); |
| free(msg.msg_base); | free(msg.msg_base); |
| msg.msg_len = 0; | memset(&msg, 0, sizeof msg); |
| } | } |
| ioDEBUG(1, "Close socket=%d", sess->sess_sock); | ioDEBUG(1, "Close socket=%d", sess->sess_sock); |
| finiSession(sess); | finiSession(sess); |
| call.LOG(logg, "Session %s stopped from %s for user %s.\n", sess->sess_cid, | |
| sess->sess_addr, sess->sess_user); | |
| } | } |
| static int | |
| KASession(struct tagSession *sess) | |
| { | |
| u_char basebuf[USHRT_MAX]; | |
| mqtt_msg_t msg = { NULL, 0 }, buf = { basebuf, sizeof basebuf }; | |
| int ret; | |
| struct pollfd pfd; | |
| ioTRACE(4); | |
| assert(sess); | |
| /* ping request */ | |
| ret = mqtt_msgPINGREQ(&msg); | |
| if ((ret = send(sess->sess_sock, msg.msg_base, ret, 0)) == -1) { | |
| ioDEBUG(3, "Error:: send(%d) #%d - %s", sess->sess_sock, errno, strerror(errno)); | |
| return -1; | |
| } else { | |
| ioDEBUG(5, "Sended %d bytes for ping request", ret); | |
| free(msg.msg_base); | |
| memset(&msg, 0, sizeof msg); | |
| } | |
| pfd.fd = sess->sess_sock; | |
| pfd.events = POLLIN | POLLPRI; | |
| if ((ret = poll(&pfd, 1, sess->sess_ka)) == -1 || | |
| pfd.revents & (POLLERR | POLLHUP | POLLNVAL)) { | |
| ioDEBUG(3, "Error:: poll(%d) #%d - %s", sess->sess_sock, errno, strerror(errno)); | |
| return -1; | |
| } else if (!ret) { | |
| /* problem!!! session is abandoned ... must be disconnect! */ | |
| return 1; | |
| } | |
| /* receive & decode packet */ | |
| if (recv(sess->sess_sock, buf.msg_base, buf.msg_len, 0) == -1) { | |
| ioDEBUG(3, "Error:: recv(%d) #%d - %s", sess->sess_sock, errno, strerror(errno)); | |
| return -1; | |
| } | |
| if (mqtt_readPINGRESP(&buf)) { | |
| /* problem!!! session is broken, not hear ping response ... must be disconnect! */ | |
| return 2; | |
| } | |
| /* Keep Alive is OK! */ | |
| return 0; | |
| } | |
| static void * | static void * |
| thrSession(struct tagSession *sess) | thrSession(struct tagSession *sess) |
| { | { |
| pthread_cleanup_push((void(*)(void*)) stopSession, sess); | u_char basebuf[USHRT_MAX]; |
| mqtt_msg_t msg = { NULL, 0 }, buf = { basebuf, sizeof basebuf }; | |
| int ret; | |
| struct pollfd pfd; | |
| struct mqtthdr *hdr; | |
| pthread_cleanup_push((void(*)(void*)) stopSession, sess); | |
| ioTRACE(2); | ioTRACE(2); |
| pfd.fd = sess->sess_sock; | |
| pfd.events = POLLIN | POLLPRI; | |
| while (!Kill) { | |
| if ((ret = poll(&pfd, 1, sess->sess_ka)) == -1 || | |
| pfd.revents & (POLLERR | POLLHUP | POLLNVAL)) { | |
| ioDEBUG(3, "Error:: poll(%d) #%d - %s", sess->sess_sock, errno, strerror(errno)); | |
| break; | |
| } else if (!ret && (ret = KASession(sess))) { | |
| call.LOG(logg, "Session %s keep-alive missing from %s for user %s ...\n", | |
| sess->sess_cid, sess->sess_addr, sess->sess_user); | |
| break; | |
| } | |
| /* receive & decode packet */ | |
| if ((ret = recv(sess->sess_sock, buf.msg_base, buf.msg_len, 0)) == -1) { | |
| ioDEBUG(3, "Error:: recv(%d) #%d - %s", sess->sess_sock, errno, strerror(errno)); | |
| break; | |
| } else if (!ret) { | |
| ioDEBUG(4, "Session %s EOF received.", sess->sess_cid); | |
| break; | |
| } else | |
| hdr = (struct mqtthdr*) buf.msg_base; | |
| /* dispatch message type */ | |
| switch (hdr->mqtt_msg.type) { | |
| default: | |
| ioDEBUG(5, "Error:: Session %s, wrong command %d - DISCARDED", | |
| sess->sess_cid, hdr->mqtt_msg.type); | |
| break; | |
| } | |
| } | |
| pthread_cleanup_pop(42); | pthread_cleanup_pop(42); |
| pthread_exit(NULL); | pthread_exit(NULL); |
| } | } |
| Line 120 startSession(sched_task_t *task) | Line 210 startSession(sched_task_t *task) |
| ioTRACE(4); | ioTRACE(4); |
| assert(task); | |
| sess = initSession(TASK_FD(task), TASK_ARG(task)); | sess = initSession(TASK_FD(task), TASK_ARG(task)); |
| if (!sess) { | if (!sess) { |
| io_freeVar(TASK_ARG(task)); | io_freeVar(TASK_ARG(task)); |
| Line 162 startSession(sched_task_t *task) | Line 254 startSession(sched_task_t *task) |
| ioDEBUG(2, "Old session %s should be disconnect!", sess->sess_cid); | ioDEBUG(2, "Old session %s should be disconnect!", sess->sess_cid); |
| TAILQ_FOREACH(s, &Sessions, sess_node) | TAILQ_FOREACH(s, &Sessions, sess_node) |
| if (!strcmp(s->sess_cid, sess->sess_cid)) { | if (!strcmp(s->sess_cid, sess->sess_cid)) { |
| /* found stale session & disconnect it! */ | |
| stopSession(s); | stopSession(s); |
| break; | break; |
| } | } |
| Line 186 startSession(sched_task_t *task) | Line 279 startSession(sched_task_t *task) |
| } else { | } else { |
| ioDEBUG(5, "Sended %d bytes", ret); | ioDEBUG(5, "Sended %d bytes", ret); |
| free(msg.msg_base); | free(msg.msg_base); |
| msg.msg_len = 0; | memset(&msg, 0, sizeof msg); |
| } | } |
| /* Start session thread OK ... */ | /* Start session thread OK ... */ |
| Line 210 end: /* close client connection */ | Line 303 end: /* close client connection */ |
| } else { | } else { |
| ioDEBUG(5, "Sended %d bytes", ret); | ioDEBUG(5, "Sended %d bytes", ret); |
| free(msg.msg_base); | free(msg.msg_base); |
| msg.msg_len = 0; | memset(&msg, 0, sizeof msg); |
| } | } |
| ioDEBUG(1, "Close client %s with socket=%d", sess->sess_addr, sess->sess_sock); | ioDEBUG(1, "Close client %s with socket=%d", sess->sess_addr, sess->sess_sock); |