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version 1.1.2.22, 2011/12/15 12:58:49
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version 1.1.2.29, 2012/01/05 10:01:20
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| #include "global.h" |
#include "global.h" |
| #include "rtlm.h" |
#include "rtlm.h" |
| |
#include "utils.h" |
| #include "mqttd.h" |
#include "mqttd.h" |
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Line 64 finiSession(struct tagSession *sess)
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Line 65 finiSession(struct tagSession *sess)
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| if (sess->sess_will.topic) |
if (sess->sess_will.topic) |
| free(sess->sess_will.topic); |
free(sess->sess_will.topic); |
| |
|
| if (sess->sess_sock > STDERR_FILENO) { | if (sess->sess_sock > STDERR_FILENO) |
| shutdown(sess->sess_sock, SHUT_RDWR); | srv_Close(sess->sess_sock); |
| close(sess->sess_sock); | |
| } | |
| |
|
| mqtt_msgFree(&sess->sess_buf, 42); |
mqtt_msgFree(&sess->sess_buf, 42); |
| |
|
| free(sess); |
free(sess); |
| } |
} |
| |
|
| static void * | static void |
| thrSession(struct tagSession *sess) | stopSession(struct tagSession *sess) |
| { |
{ |
| void thrClean(struct tagSession *sess) | mqtt_msg_t msg = { NULL, 0 }; |
| { | int ret; |
| pthread_mutex_lock(&mtx_sess); | |
| TAILQ_REMOVE(&Sessions, sess, sess_node); | ioTRACE(4); |
| pthread_mutex_unlock(&mtx_sess); | |
| ioDEBUG(1, "Close socket=%d", sess->sess_sock); | assert(sess); |
| finiSession(sess); | |
| | pthread_mutex_lock(&mtx_sess); |
| | TAILQ_REMOVE(&Sessions, sess, sess_node); |
| | pthread_mutex_unlock(&mtx_sess); |
| | |
| | ret = mqtt_msgDISCONNECT(&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)); |
| | else { |
| | ioDEBUG(5, "Sended %d bytes for disconnect", ret); |
| | free(msg.msg_base); |
| | memset(&msg, 0, sizeof msg); |
| } |
} |
| |
|
| pthread_cleanup_push((void(*)(void*)) thrClean, sess); | ioDEBUG(1, "Close socket=%d", sess->sess_sock); |
| | finiSession(sess); |
| |
|
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call.LOG(logg, "Session %s stopped from %s for user %s.\n", sess->sess_cid, |
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sess->sess_addr, sess->sess_user); |
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} |
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|
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static int |
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KASession(struct tagSession *sess) |
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{ |
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u_char basebuf[USHRT_MAX]; |
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mqtt_msg_t msg = { NULL, 0 }, buf = { basebuf, sizeof basebuf }; |
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int ret; |
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struct pollfd pfd; |
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|
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ioTRACE(4); |
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|
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assert(sess); |
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|
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/* ping request */ |
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ret = mqtt_msgPINGREQ(&msg); |
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if ((ret = send(sess->sess_sock, msg.msg_base, ret, 0)) == -1) { |
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ioDEBUG(3, "Error:: send(%d) #%d - %s", sess->sess_sock, errno, strerror(errno)); |
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return -1; |
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} else { |
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ioDEBUG(5, "Sended %d bytes for ping request", ret); |
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free(msg.msg_base); |
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memset(&msg, 0, sizeof msg); |
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} |
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|
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pfd.fd = sess->sess_sock; |
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pfd.events = POLLIN | POLLPRI; |
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if ((ret = poll(&pfd, 1, sess->sess_ka)) == -1 || |
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pfd.revents & (POLLERR | POLLHUP | POLLNVAL)) { |
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ioDEBUG(3, "Error:: poll(%d) #%d - %s", sess->sess_sock, errno, strerror(errno)); |
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return -1; |
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} else if (!ret) { |
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/* problem!!! session is abandoned ... must be disconnect! */ |
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return 1; |
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} |
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/* receive & decode packet */ |
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if (recv(sess->sess_sock, buf.msg_base, buf.msg_len, 0) == -1) { |
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ioDEBUG(3, "Error:: recv(%d) #%d - %s", sess->sess_sock, errno, strerror(errno)); |
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return -1; |
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} |
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if (mqtt_readPINGRESP(&buf)) { |
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/* problem!!! session is broken, not hear ping response ... must be disconnect! */ |
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return 2; |
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} |
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|
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/* Keep Alive is OK! */ |
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return 0; |
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} |
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|
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static void * |
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thrSession(struct tagSession *sess) |
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{ |
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u_char basebuf[USHRT_MAX]; |
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mqtt_msg_t msg = { NULL, 0 }, buf = { basebuf, sizeof basebuf }; |
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int ret; |
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struct pollfd pfd; |
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struct mqtthdr *hdr; |
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|
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pthread_cleanup_push((void(*)(void*)) stopSession, sess); |
| ioTRACE(2); |
ioTRACE(2); |
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|
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pfd.fd = sess->sess_sock; |
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pfd.events = POLLIN | POLLPRI; |
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while (!Kill) { |
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if ((ret = poll(&pfd, 1, sess->sess_ka)) == -1 || |
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pfd.revents & (POLLERR | POLLHUP | POLLNVAL)) { |
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ioDEBUG(3, "Error:: poll(%d) #%d - %s", sess->sess_sock, errno, strerror(errno)); |
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break; |
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} else if (!ret && (ret = KASession(sess))) { |
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call.LOG(logg, "Session %s keep-alive missing from %s for user %s ...\n", |
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sess->sess_cid, sess->sess_addr, sess->sess_user); |
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break; |
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} |
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/* receive & decode packet */ |
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if ((ret = recv(sess->sess_sock, buf.msg_base, buf.msg_len, 0)) == -1) { |
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ioDEBUG(3, "Error:: recv(%d) #%d - %s", sess->sess_sock, errno, strerror(errno)); |
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break; |
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} else if (!ret) { |
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ioDEBUG(4, "Session %s EOF received.", sess->sess_cid); |
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break; |
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} else |
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hdr = (struct mqtthdr*) buf.msg_base; |
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|
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/* dispatch message type */ |
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switch (hdr->mqtt_msg.type) { |
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default: |
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ioDEBUG(5, "Error:: Session %s, wrong command %d - DISCARDED", |
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sess->sess_cid, hdr->mqtt_msg.type); |
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break; |
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} |
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} |
| |
|
| pthread_cleanup_pop(42); |
pthread_cleanup_pop(42); |
| pthread_exit(NULL); |
pthread_exit(NULL); |
| } |
} |
|
Line 101 startSession(sched_task_t *task)
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Line 204 startSession(sched_task_t *task)
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| mqtt_msg_t msg = { NULL, 0 }, buf = { basebuf, sizeof basebuf }; |
mqtt_msg_t msg = { NULL, 0 }, buf = { basebuf, sizeof basebuf }; |
| mqtthdr_connflgs_t flg; |
mqtthdr_connflgs_t flg; |
| mqtthdr_connack_t cack; |
mqtthdr_connack_t cack; |
| struct tagSession *sess = NULL; | struct tagSession *s, *sess = NULL; |
| int ret; |
int ret; |
| pthread_attr_t attr; |
pthread_attr_t attr; |
| |
|
| ioTRACE(4); |
ioTRACE(4); |
| |
|
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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 142 startSession(sched_task_t *task)
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Line 247 startSession(sched_task_t *task)
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| ret = MQTT_RETCODE_DENIED; |
ret = MQTT_RETCODE_DENIED; |
| goto end; |
goto end; |
| } else { |
} else { |
| ioDEBUG(0, "Login:: ALLOWED for username %s ...", sess->sess_user); | ioDEBUG(1, "Login:: ALLOWED for username %s ...", sess->sess_user); |
| ret = MQTT_RETCODE_ACCEPTED; |
ret = MQTT_RETCODE_ACCEPTED; |
| } |
} |
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if (call.FiniSessPUB(&cfg, pub, sess->sess_cid, sess->sess_user, "%") > 0) { |
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ioDEBUG(2, "Old session %s should be disconnect!", sess->sess_cid); |
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TAILQ_FOREACH(s, &Sessions, sess_node) |
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if (!strcmp(s->sess_cid, sess->sess_cid)) { |
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/* found stale session & disconnect it! */ |
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stopSession(s); |
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break; |
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} |
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} |
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if (call.InitSessPUB(&cfg, pub, sess->sess_cid, sess->sess_user, sess->sess_addr, |
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sess->sess_will.flag, sess->sess_will.topic, sess->sess_will.msg, |
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sess->sess_will.qos, sess->sess_will.retain) == -1) { |
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ioDEBUG(0, "Session %s DENIED for username %s", sess->sess_cid, sess->sess_user); |
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ret = MQTT_RETCODE_DENIED; |
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goto end; |
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} else { |
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ioDEBUG(0, "Session %s from %s and username %s is started", |
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sess->sess_cid, sess->sess_addr, sess->sess_user); |
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ret = MQTT_RETCODE_ACCEPTED; |
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} |
| |
|
| ret = mqtt_msgCONNACK(&msg, ret); |
ret = mqtt_msgCONNACK(&msg, ret); |
| if ((ret = send(sess->sess_sock, msg.msg_base, ret, 0)) == -1) { |
if ((ret = send(sess->sess_sock, msg.msg_base, ret, 0)) == -1) { |
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Line 154 startSession(sched_task_t *task)
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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 ... */ |
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Line 166 startSession(sched_task_t *task)
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Line 291 startSession(sched_task_t *task)
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| pthread_create(&sess->sess_tid, &attr, (void*(*)(void*)) thrSession, sess); |
pthread_create(&sess->sess_tid, &attr, (void*(*)(void*)) thrSession, sess); |
| pthread_mutex_unlock(&mtx_sess); |
pthread_mutex_unlock(&mtx_sess); |
| |
|
| ioDEBUG(1, "ConnID=%s(%s) for %s login OK!", sess->sess_cid, sess->sess_user, sess->sess_addr); | call.LOG(logg, "Session %s started from %s for user %s OK!\n", sess->sess_cid, |
| | sess->sess_addr, sess->sess_user); |
| |
|
| pthread_attr_destroy(&attr); |
pthread_attr_destroy(&attr); |
| return NULL; |
return NULL; |
|
Line 177 end: /* close client connection */
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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); |
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Line 210 Run(int sock)
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Line 336 Run(int sock)
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| int cli; |
int cli; |
| pthread_t tid; |
pthread_t tid; |
| ait_val_t *v; |
ait_val_t *v; |
| |
char str[STRSIZ]; |
| |
|
| ioTRACE(1); |
ioTRACE(1); |
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Line 220 Run(int sock)
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Line 347 Run(int sock)
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| pthread_detach(tid); |
pthread_detach(tid); |
| ioDEBUG(2, "Run scheduler management thread"); |
ioDEBUG(2, "Run scheduler management thread"); |
| |
|
| if (listen(sock, 5 /*SOMAXCONN*/) == -1) { | if (listen(sock, SOMAXCONN) == -1) { |
| ioLOGERR(0); |
ioLOGERR(0); |
| return -1; |
return -1; |
| } |
} |
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Line 236 Run(int sock)
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Line 363 Run(int sock)
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| if (!v) { |
if (!v) { |
| ioLIBERR(mqtt); |
ioLIBERR(mqtt); |
| break; |
break; |
| } else | } else { |
| io_n2addr(&sa, v); | memset(str, 0, sizeof str); |
| ioDEBUG(1, "Connected client with socket=%d from %s:%d", cli, | snprintf(str, sizeof str, "%s:%hu", io_n2addr(&sa, v), io_n2port(&sa)); |
| AIT_GET_STR(v), io_n2port(&sa)); | AIT_SET_STR(v, str); |
| | } |
| | ioDEBUG(1, "Connected client with socket=%d from %s", cli, AIT_GET_STR(v)); |
| |
|
| if (!schedRead(root, startSession, v, cli)) { |
if (!schedRead(root, startSession, v, cli)) { |
| io_freeVar(v); |
io_freeVar(v); |