version 1.2.2.15, 2012/04/25 16:36:26
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version 1.2.2.34, 2012/05/28 08:08:21
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Line 5
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Line 5
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#include "mqttd_calls.h" |
#include "mqttd_calls.h" |
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static void *startSession(sched_task_t *task); |
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static pthread_attr_t attr; |
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static inline struct tagSession * |
static inline struct tagSession * |
initSession(int sock, ait_val_t * __restrict v) |
initSession(int sock, ait_val_t * __restrict v) |
{ |
{ |
Line 20 initSession(int sock, ait_val_t * __restrict v)
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Line 16 initSession(int sock, ait_val_t * __restrict v)
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if (!v) |
if (!v) |
return NULL; |
return NULL; |
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sess = malloc(sizeof(struct tagSession)); | sess = io_malloc(sizeof(struct tagSession)); |
if (!sess) { |
if (!sess) { |
ioSYSERR(0); |
ioSYSERR(0); |
io_freeVar(v); |
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return NULL; |
return NULL; |
} else |
} else |
memset(sess, 0, sizeof(struct tagSession)); |
memset(sess, 0, sizeof(struct tagSession)); |
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pthread_mutex_init(&sess->sess_mtx, NULL); |
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SLIST_INIT(&sess->sess_subscr); |
SLIST_INIT(&sess->sess_subscr); |
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str = cfg_getAttribute(&cfg, "mqttd", "retry"); |
str = cfg_getAttribute(&cfg, "mqttd", "retry"); |
Line 41 initSession(int sock, ait_val_t * __restrict v)
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Line 34 initSession(int sock, ait_val_t * __restrict v)
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sess->sess_buf = mqtt_msgAlloc(USHRT_MAX); |
sess->sess_buf = mqtt_msgAlloc(USHRT_MAX); |
if (!sess->sess_buf) { |
if (!sess->sess_buf) { |
ioLIBERR(mqtt); |
ioLIBERR(mqtt); |
free(sess); | io_free(sess); |
io_freeVar(v); | |
return NULL; |
return NULL; |
} |
} |
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/* init server actor */ |
/* init server actor */ |
sess->sess_srv = mqtt_srv_Init(sock, sess->sess_buf); | sess->sess_srv = mqtt_srv_Init(sock, sess->sess_buf, sess->sess_ka); |
if (!sess->sess_srv) { |
if (!sess->sess_srv) { |
ioDEBUG(3, "Error:: in srv_Init #%d - %s", mqtt_GetErrno(), mqtt_GetError()); |
ioDEBUG(3, "Error:: in srv_Init #%d - %s", mqtt_GetErrno(), mqtt_GetError()); |
mqtt_msgFree(&sess->sess_buf, 42); |
mqtt_msgFree(&sess->sess_buf, 42); |
free(sess); | io_free(sess); |
io_freeVar(v); | |
return NULL; |
return NULL; |
} else { |
} else { |
mqtt_srv_setCmd(sess->sess_srv, MQTT_TYPE_CONNECT, cmdCONNECT); |
mqtt_srv_setCmd(sess->sess_srv, MQTT_TYPE_CONNECT, cmdCONNECT); |
Line 66 initSession(int sock, ait_val_t * __restrict v)
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Line 57 initSession(int sock, ait_val_t * __restrict v)
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sess->sess_sock = sock; |
sess->sess_sock = sock; |
strlcpy(sess->sess_addr, (char*) AIT_GET_STR(v), sizeof sess->sess_addr); |
strlcpy(sess->sess_addr, (char*) AIT_GET_STR(v), sizeof sess->sess_addr); |
io_freeVar(v); |
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return sess; |
return sess; |
} |
} |
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Line 80 finiSession(struct tagSession *sess)
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Line 70 finiSession(struct tagSession *sess)
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if (!sess) |
if (!sess) |
return; |
return; |
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if (call.FiniSessPUB) | if (sess->sess_clean) { |
call.FiniSessPUB(&cfg, pub, sess->sess_cid, sess->sess_user, "%"); | 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); |
| } |
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SESS_ELEM_LOCK(sess); |
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while ((store = SLIST_FIRST(&sess->sess_subscr))) { |
while ((store = SLIST_FIRST(&sess->sess_subscr))) { |
SLIST_REMOVE_HEAD(&sess->sess_subscr, st_node); |
SLIST_REMOVE_HEAD(&sess->sess_subscr, st_node); |
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Line 93 finiSession(struct tagSession *sess)
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Line 87 finiSession(struct tagSession *sess)
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if (store->st_subscr.sub_value.msg_base) |
if (store->st_subscr.sub_value.msg_base) |
free(store->st_subscr.sub_value.msg_base); |
free(store->st_subscr.sub_value.msg_base); |
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free(store); | io_free(store); |
} |
} |
SESS_ELEM_UNLOCK(sess); |
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pthread_mutex_destroy(&sess->sess_mtx); |
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if (sess->sess_will.msg) |
if (sess->sess_will.msg) |
free(sess->sess_will.msg); |
free(sess->sess_will.msg); |
Line 109 finiSession(struct tagSession *sess)
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Line 101 finiSession(struct tagSession *sess)
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mqtt_srv_Fini(&sess->sess_srv); |
mqtt_srv_Fini(&sess->sess_srv); |
mqtt_msgFree(&sess->sess_buf, 42); |
mqtt_msgFree(&sess->sess_buf, 42); |
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free(sess); | io_free(sess); |
} |
} |
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static void | static void * |
stopSession(struct tagSession *sess) | leaveClient(sched_task_t *task) |
{ |
{ |
mqtt_msg_t msg = { NULL, 0 }; | struct tagSession *sess; |
int ret; |
int ret; |
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ioTRACE(4); |
ioTRACE(4); |
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assert(task); |
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sess = TASK_ARG(task); |
assert(sess); |
assert(sess); |
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SESS_LOCK; |
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TAILQ_REMOVE(&Sessions, sess, sess_node); |
TAILQ_REMOVE(&Sessions, sess, sess_node); |
SESS_UNLOCK; |
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ret = mqtt_msgDISCONNECT(&msg); | ret = mqtt_msgDISCONNECT(sess->sess_buf); |
send(sess->sess_sock, msg.msg_base, ret, MSG_NOSIGNAL); | send(TASK_FD(task), sess->sess_buf->msg_base, ret, MSG_NOSIGNAL); |
free(msg.msg_base); | |
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ioDEBUG(1, "Close socket=%d", sess->sess_sock); | ioDEBUG(1, "Close socket=%ld", (long) TASK_FD(task)); |
finiSession(sess); | |
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call.LOG(logg, "Session %s stopped from %s for user %s.\n", sess->sess_cid, |
call.LOG(logg, "Session %s stopped from %s for user %s.\n", sess->sess_cid, |
sess->sess_addr, sess->sess_user); |
sess->sess_addr, sess->sess_user); |
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finiSession(sess); |
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return NULL; |
} |
} |
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static void * |
static void * |
thrSession(struct tagSession *sess) | dispatchSession(sched_task_t *task) |
{ |
{ |
int ret, locKill = 42; | int ret, len = 0; |
struct pollfd pfd; | struct tagSession *sess; |
struct mqtthdr *hdr; | |
ait_val_t *v; | |
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pthread_cleanup_push((void(*)(void*)) stopSession, sess); |
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ioTRACE(2); |
ioTRACE(2); |
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pfd.fd = sess->sess_sock; | assert(task); |
pfd.events = POLLIN | POLLPRI; | |
while (!Kill && locKill) { | |
if ((ret = poll(&pfd, 1, sess->sess_ka * 1000)) == -1 || | |
pfd.revents & (POLLERR | POLLHUP | POLLNVAL)) { | |
ioDEBUG(3, "Error:: poll(%d) #%d - %s", sess->sess_sock, errno, strerror(errno)); | |
break; | |
} else if (!ret && (ret = mqtt_KeepAlive(sess->sess_sock, sess->sess_ka, 1))) { | |
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, sess->sess_buf->msg_base, sess->sess_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*) sess->sess_buf->msg_base; | |
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/* dispatch message type */ | sess = TASK_ARG(task); |
if (mqtt_srv_Dispatch(sess->sess_srv, sess)) | assert(sess); |
ioLIBERR(mqtt); | |
switch (hdr->mqtt_msg.type) { | |
case MQTT_TYPE_CONNECT: | |
ioDEBUG(5, "Exec CONNECT session"); | |
if ((v = io_allocVar())) { | |
AIT_SET_STR(v, sess->sess_addr); | |
if (!schedEvent(root, startSession, v, (u_long) sess->sess_sock, sess, ret)) | |
io_freeVar(v); | |
} else | |
ioLIBERR(mqtt); | |
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SESS_LOCK; | /* receive & decode packet */ |
TAILQ_REMOVE(&Sessions, sess, sess_node); | if ((ret = recv(TASK_FD(task), sess->sess_buf->msg_base, sess->sess_buf->msg_len, 0)) == -1) { |
SESS_UNLOCK; | ioDEBUG(3, "Error:: recv(%d) #%d - %s", sess->sess_sock, errno, strerror(errno)); |
| TAILQ_REMOVE(&Sessions, sess, sess_node); |
| finiSession(sess); |
| return NULL; |
| } else if (!ret) { |
| ioDEBUG(4, "Session %s EOF received.", sess->sess_cid); |
| TAILQ_REMOVE(&Sessions, sess, sess_node); |
| finiSession(sess); |
| return NULL; |
| } |
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locKill ^= locKill; | do { |
break; | /* dispatch message type */ |
case MQTT_TYPE_DISCONNECT: | if ((len = mqtt_srv_Dispatch(sess->sess_srv, ret, sess)) < 0) { |
ioDEBUG(5, "Exec DISCONNECT session"); | if (len == -1) { |
SESS_LOCK; | ioLIBERR(mqtt); |
| finiSession(sess); |
| } else if (len == -2) { |
TAILQ_REMOVE(&Sessions, sess, sess_node); |
TAILQ_REMOVE(&Sessions, sess, sess_node); |
SESS_UNLOCK; |
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finiSession(sess); |
finiSession(sess); |
locKill ^= locKill; | } else if (len == -3) |
continue; | schedEvent(root, startSession, NULL, (u_long) TASK_FD(task), sess, ret); |
case MQTT_TYPE_PUBLISH: | } else |
ioDEBUG(5, "Exec PUBLISH topic QoS=%d", hdr->mqtt_msg.qos); | ret -= len; |
/* | } while (len > 0 && ret > 0); |
if (cmdPUBLISH(sess)) | |
locKill ^= locKill; | |
*/ | |
break; | |
case MQTT_TYPE_PUBREL: | |
break; | |
case MQTT_TYPE_SUBSCRIBE: | |
break; | |
case MQTT_TYPE_UNSUBSCRIBE: | |
break; | |
case MQTT_TYPE_PINGREQ: | |
ioDEBUG(5, "Exec PINGREQ session"); | |
break; | |
case MQTT_TYPE_PINGRESP: | |
ioDEBUG(5, "Exec PINGRESP session"); | |
break; | |
default: | |
ioDEBUG(5, "Error:: Session %s, wrong command %d - DISCARDED", | |
sess->sess_cid, hdr->mqtt_msg.type); | |
break; | |
} | |
} | |
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pthread_cleanup_pop(locKill); | if (len >= 0 && !schedRead(root, dispatchSession, TASK_ARG(task), TASK_FD(task), NULL, 0)) { |
pthread_exit(NULL); | ioLIBERR(sched); |
| TAILQ_REMOVE(&Sessions, sess, sess_node); |
| finiSession(sess); |
| } |
return NULL; |
return NULL; |
} |
} |
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static void * | void * |
startSession(sched_task_t *task) |
startSession(sched_task_t *task) |
{ |
{ |
u_char basebuf[USHRT_MAX]; |
u_char basebuf[USHRT_MAX]; |
mqtt_msg_t msg = { NULL, 0 }, buf = { basebuf, sizeof basebuf }; | mqtt_msg_t buf = { basebuf, sizeof basebuf }; |
mqtthdr_connflgs_t flg; |
mqtthdr_connflgs_t flg; |
mqtthdr_connack_t cack; |
mqtthdr_connack_t cack; |
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ait_val_t *v; |
struct tagSession *s, *sess = NULL; |
struct tagSession *s, *sess = NULL; |
int ret; | int ret, wlen; |
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ioTRACE(4); |
ioTRACE(4); |
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assert(task); |
assert(task); |
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if (!TASK_DATA(task)) { |
if (!TASK_DATA(task)) { |
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v = TASK_ARG(task); |
/* flow from accept new clients */ |
/* flow from accept new clients */ |
sess = initSession(TASK_FD(task), TASK_ARG(task)); | sess = initSession(TASK_FD(task), v); |
| io_freeVar(&v); |
if (!sess) { |
if (!sess) { |
io_freeVar(TASK_ARG(task)); |
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close(TASK_FD(task)); |
close(TASK_FD(task)); |
return NULL; |
return NULL; |
} |
} |
Line 260 startSession(sched_task_t *task)
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Line 212 startSession(sched_task_t *task)
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} |
} |
} else { |
} else { |
sess = TASK_DATA(task); |
sess = TASK_DATA(task); |
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assert(sess); |
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buf.msg_len = TASK_DATLEN(task) > sizeof basebuf ? sizeof basebuf : TASK_DATLEN(task); |
buf.msg_len = TASK_DATLEN(task) > sizeof basebuf ? sizeof basebuf : TASK_DATLEN(task); |
memcpy(buf.msg_base, sess->sess_buf->msg_base, buf.msg_len); |
memcpy(buf.msg_base, sess->sess_buf->msg_base, buf.msg_len); |
} |
} |
Line 277 startSession(sched_task_t *task)
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Line 231 startSession(sched_task_t *task)
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sess->sess_will.qos = flg.will_qos; |
sess->sess_will.qos = flg.will_qos; |
sess->sess_will.retain = flg.will_retain; |
sess->sess_will.retain = flg.will_retain; |
sess->sess_will.flag = flg.will_flg; |
sess->sess_will.flag = flg.will_flg; |
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sess->sess_srv->timeout = sess->sess_ka; |
} |
} |
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/* check online table for user */ |
/* check online table for user */ |
Line 290 startSession(sched_task_t *task)
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Line 246 startSession(sched_task_t *task)
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ret = MQTT_RETCODE_ACCEPTED; |
ret = MQTT_RETCODE_ACCEPTED; |
} |
} |
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/* db management */ |
if (call.FiniSessPUB(&cfg, pub, sess->sess_cid, sess->sess_user, "%") > 0) { |
if (call.FiniSessPUB(&cfg, pub, sess->sess_cid, sess->sess_user, "%") > 0) { |
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! */ |
/* found stale session & disconnect it! */ |
stopSession(s); | schedWrite(root, leaveClient, sess, TASK_FD(task), NULL, 0); |
break; |
break; |
} |
} |
} |
} |
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if (call.InitSessPUB(&cfg, pub, sess->sess_cid, sess->sess_user, sess->sess_addr, |
if (call.InitSessPUB(&cfg, pub, sess->sess_cid, sess->sess_user, sess->sess_addr, |
sess->sess_will.flag, sess->sess_will.topic, sess->sess_will.msg, |
sess->sess_will.flag, sess->sess_will.topic, sess->sess_will.msg, |
sess->sess_will.qos, sess->sess_will.retain) == -1) { |
sess->sess_will.qos, sess->sess_will.retain) == -1) { |
Line 311 startSession(sched_task_t *task)
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Line 267 startSession(sched_task_t *task)
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sess->sess_cid, sess->sess_addr, sess->sess_user); |
sess->sess_cid, sess->sess_addr, sess->sess_user); |
ret = MQTT_RETCODE_ACCEPTED; |
ret = MQTT_RETCODE_ACCEPTED; |
} |
} |
| /* clean/load session if requested */ |
ret = mqtt_msgCONNACK(&msg, ret); | if (sess->sess_clean) { |
if ((ret = send(sess->sess_sock, msg.msg_base, ret, 0)) == -1) { | if (call.DeletePUB_subscribe) |
ioDEBUG(3, "Error:: send(%d) #%d - %s", sess->sess_sock, errno, strerror(errno)); | call.DeletePUB_subscribe(&cfg, pub, sess->sess_cid, "%", sess->sess_user, "%"); |
finiSession(sess); | if (call.WipePUB_topic) |
return NULL; | call.WipePUB_topic(&cfg, pub, sess->sess_cid, sess->sess_user, -1); |
} else { |
} else { |
ioDEBUG(5, "Sended %d bytes", ret); | // todo: read_sql subs and prepare publish |
free(msg.msg_base); | |
memset(&msg, 0, sizeof msg); | |
} |
} |
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/* Start session thread OK ... */ | /* Start session task OK ... */ |
SESS_LOCK; | if (!schedRead(root, dispatchSession, sess, TASK_FD(task), NULL, 0)) { |
TAILQ_INSERT_TAIL(&Sessions, sess, sess_node); | ioLIBERR(sched); |
pthread_create(&sess->sess_tid, &attr, (void*(*)(void*)) thrSession, sess); | ret = MQTT_RETCODE_DENIED; |
SESS_UNLOCK; | } else |
| TAILQ_INSERT_TAIL(&Sessions, sess, sess_node); |
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call.LOG(logg, "Session %s started from %s for user %s (timeout=%d) OK!\n", sess->sess_cid, |
call.LOG(logg, "Session %s started from %s for user %s (timeout=%d) OK!\n", sess->sess_cid, |
sess->sess_addr, sess->sess_user, sess->sess_ka); |
sess->sess_addr, sess->sess_user, sess->sess_ka); |
return NULL; |
|
end: /* close client connection */ |
end: /* close client connection */ |
ret = mqtt_msgCONNACK(&msg, ret); | wlen = mqtt_msgCONNACK(sess->sess_buf, ret); |
if ((ret = send(sess->sess_sock, msg.msg_base, ret, 0)) == -1) { | if ((wlen = send(TASK_FD(task), sess->sess_buf->msg_base, wlen, 0)) == -1) { |
ioDEBUG(3, "Error:: send(%d) #%d - %s", sess->sess_sock, errno, strerror(errno)); | ioDEBUG(3, "Error:: send(%ld) #%d - %s", (long) TASK_FD(task), errno, strerror(errno)); |
} else { | } else |
ioDEBUG(5, "Sended %d bytes", ret); | ioDEBUG(5, "Sended %d bytes", wlen); |
free(msg.msg_base); | |
memset(&msg, 0, sizeof msg); | |
} | |
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ioDEBUG(1, "Close client %s with socket=%d", sess->sess_addr, sess->sess_sock); | if (ret != MQTT_RETCODE_ACCEPTED) { |
finiSession(sess); | ioDEBUG(1, "Close client %s with socket=%ld", sess->sess_addr, (long) TASK_FD(task)); |
| finiSession(sess); |
| } |
return NULL; |
return NULL; |
} |
} |
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Line 363 acceptClient(sched_task_t *task)
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Line 316 acceptClient(sched_task_t *task)
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if ((cli = accept(TASK_FD(task), &sa.sa, &sslen)) == -1) |
if ((cli = accept(TASK_FD(task), &sa.sa, &sslen)) == -1) |
goto end; |
goto end; |
else |
else |
fcntl(TASK_FD(task), F_SETFL, fcntl(TASK_FD(task), F_GETFL, 0) | O_NONBLOCK); | fcntl(cli, F_SETFL, fcntl(cli, F_GETFL, 0) | O_NONBLOCK); |
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v = io_allocVar(); |
v = io_allocVar(); |
if (!v) { |
if (!v) { |
Line 373 acceptClient(sched_task_t *task)
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Line 326 acceptClient(sched_task_t *task)
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} else { |
} else { |
memset(str, 0, sizeof str); |
memset(str, 0, sizeof str); |
snprintf(str, sizeof str, "%s:%hu", io_n2addr(&sa, v), io_n2port(&sa)); |
snprintf(str, sizeof str, "%s:%hu", io_n2addr(&sa, v), io_n2port(&sa)); |
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AIT_FREE_VAL(v); |
AIT_SET_STR(v, str); |
AIT_SET_STR(v, str); |
} |
} |
ioDEBUG(1, "Connected client with socket=%d from %s", cli, AIT_GET_STR(v)); |
ioDEBUG(1, "Connected client with socket=%d from %s", cli, AIT_GET_STR(v)); |
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if (!schedRead(root, startSession, v, cli, NULL, 0)) { |
if (!schedRead(root, startSession, v, cli, NULL, 0)) { |
io_freeVar(v); | io_freeVar(&v); |
close(cli); |
close(cli); |
ioDEBUG(1, "Terminated client with socket=%d", cli); |
ioDEBUG(1, "Terminated client with socket=%d", cli); |
} |
} |
end: |
end: |
if (!schedRead(TASK_ROOT(task), acceptClient, NULL, TASK_FD(task), NULL, 0)) | if (!schedRead(root, acceptClient, NULL, TASK_FD(task), NULL, 0)) |
ioLIBERR(sched); |
ioLIBERR(sched); |
return NULL; |
return NULL; |
} |
} |
Line 393 end:
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Line 347 end:
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int |
int |
Run(int sock) |
Run(int sock) |
{ |
{ |
struct tagPub *pub; | struct tagSession *sess; |
struct timespec pl = { 0, 100000000 }; |
struct timespec pl = { 0, 100000000 }; |
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ioTRACE(1); |
ioTRACE(1); |
Line 410 Run(int sock)
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Line 364 Run(int sock)
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return -1; |
return -1; |
} |
} |
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pthread_attr_init(&attr); |
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pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED); |
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schedPolling(root, &pl, NULL); |
schedPolling(root, &pl, NULL); |
schedRun(root, &Kill); |
schedRun(root, &Kill); |
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pthread_attr_destroy(&attr); |
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/* free all undeleted elements into lists */ |
/* free all undeleted elements into lists */ |
PUBS_LOCK; | TAILQ_FOREACH(sess, &Sessions, sess_node) { |
TAILQ_FOREACH(pub, &Pubs, pub_node) { | TAILQ_REMOVE(&Sessions, sess, sess_node); |
TAILQ_REMOVE(&Pubs, pub, pub_node); | |
|
|
AIT_FREE_VAL(&pub->pub_name); | finiSession(sess); |
if (pub->pub_packet.msg_base) | |
free(pub->pub_packet.msg_base); | |
} |
} |
PUBS_UNLOCK; |
|
return 0; |
return 0; |
} |
} |