version 1.1.2.6, 2011/12/01 14:41:11
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version 1.1.2.18, 2011/12/14 12:45:30
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#include "global.h" |
#include "global.h" |
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#include "rtlm.h" |
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#include "mqttd.h" |
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static inline struct tagSession * |
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initSession(int sock, ait_val_t * __restrict v) |
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{ |
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struct tagSession *sess = NULL; |
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const char *str; |
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FTRACE(5); |
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if (!v) |
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return NULL; |
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sess = malloc(sizeof(struct tagSession)); |
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if (!sess) { |
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VERB(3) syslog(LOG_ERR, "Error:: in malloc #%d - %s", errno, strerror(errno)); |
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io_freeVar(v); |
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return NULL; |
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} else |
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memset(sess, 0, sizeof(struct tagSession)); |
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str = (const char*) cfg_GetAttribute(&cfg, CFG("mqttd"), CFG("retry")); |
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if (!str) |
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sess->sess_retry = DEFAULT_RETRY; |
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else |
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sess->sess_retry = strtol(str, NULL, 0); |
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sess->sess_buf = mqtt_msgAlloc(0); |
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if (!sess->sess_buf) { |
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VERB(3) syslog(LOG_ERR, "Error:: in msgAlloc #%d - %s", mqtt_GetErrno(), mqtt_GetError()); |
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free(sess); |
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io_freeVar(v); |
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return NULL; |
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} |
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sess->sess_sock = sock; |
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strlcpy(sess->sess_addr, AIT_GET_STR(v), sizeof sess->sess_addr); |
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io_freeVar(v); |
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return sess; |
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} |
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static void |
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finiSession(struct tagSession *sess) |
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{ |
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register int i; |
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struct tagStore *store; |
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FTRACE(5); |
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if (!sess) |
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return; |
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for (i = 0; i < MQTT_QOS_RESERVED; i++) |
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while ((store = SLIST_FIRST(&sess->sess_store[i]))) { |
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SLIST_REMOVE_HEAD(&sess->sess_store[i], st_node); |
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free(store); |
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} |
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if (sess->sess_will.msg) |
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free(sess->sess_will.msg); |
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if (sess->sess_will.topic) |
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free(sess->sess_will.topic); |
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if (sess->sess_sock > STDERR_FILENO) { |
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shutdown(sess->sess_sock, SHUT_RDWR); |
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close(sess->sess_sock); |
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} |
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mqtt_msgFree(&sess->sess_buf, 42); |
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free(sess); |
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} |
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static void * |
static void * |
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thrSession(struct tagSession *sess) |
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{ |
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void thrClean(struct tagSession *sess) |
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{ |
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pthread_mutex_lock(&mtx_sess); |
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TAILQ_REMOVE(&Sessions, sess, sess_node); |
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pthread_mutex_unlock(&mtx_sess); |
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VERB(1) syslog(LOG_DEBUG, "Close socket=%d", sess->sess_sock); |
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finiSession(sess); |
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} |
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pthread_cleanup_push((void(*)(void*)) thrClean, sess); |
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FTRACE(2); |
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pthread_cleanup_pop(42); |
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pthread_exit(NULL); |
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} |
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static void * |
startSession(sched_task_t *task) |
startSession(sched_task_t *task) |
{ |
{ |
mqtt_msg_t *buf; | u_char basebuf[USHRT_MAX]; |
mqtt_cb_t cbs[MQTT_TYPE_MAX + 1] = { 0 }; | mqtt_msg_t msg = { NULL, 0 }, buf = { basebuf, sizeof basebuf }; |
int ret = 0; | mqtthdr_connflgs_t flg; |
| mqtthdr_connack_t cack; |
| struct tagSession *sess = NULL; |
| int ret; |
| pthread_attr_t attr; |
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FTRACE(4); |
FTRACE(4); |
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buf = mqtt_msgAlloc(USHRT_MAX); | sess = initSession(TASK_FD(task), TASK_ARG(task)); |
if (!buf) { | if (!sess) { |
syslog(LOG_ERR, "Error:: allocate message buf (%d) #%d - %s", (int) TASK_FD(task), | io_freeVar(TASK_ARG(task)); |
mqtt_GetErrno(), mqtt_GetError()); | close(TASK_FD(task)); |
| return NULL; |
| } |
| |
| /* receive & decode packet */ |
| if (recv(sess->sess_sock, buf.msg_base, buf.msg_len, 0) == -1) { |
| VERB(3) syslog(LOG_ERR, "Error:: recv(%d) #%d - %s", sess->sess_sock, errno, strerror(errno)); |
| finiSession(sess); |
| return NULL; |
| } |
| cack = mqtt_readCONNECT(&buf, &sess->sess_ka, sess->sess_cid, sizeof sess->sess_cid, |
| sess->sess_user, sizeof sess->sess_user, sess->sess_pass, sizeof sess->sess_pass, |
| &sess->sess_will.topic, &sess->sess_will.msg); |
| ret = cack.retcode; |
| flg.flags = cack.reserved; |
| if (flg.reserved) { |
| VERB(3) syslog(LOG_ERR, "Error:: in MQTT protocol #%d - %s", mqtt_GetErrno(), mqtt_GetError()); |
goto end; |
goto end; |
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} else { |
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sess->sess_clean = flg.clean_sess; |
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sess->sess_will.qos = flg.will_qos; |
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sess->sess_will.retain = flg.will_retain; |
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sess->sess_will.flag = flg.will_flg; |
} |
} |
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if (recv(TASK_FD(task), buf->msg_base, buf->msg_len, 0) == -1) { | /* check online table for user */ |
syslog(LOG_ERR, "Error:: recv(%d) #%d - %s", (int) TASK_FD(task), | if (call.LoginACC(&cfg, acc, sess->sess_user, sess->sess_pass) < 1) { |
errno, strerror(errno)); | VERB(1) syslog(LOG_WARNING, "Login:: DENIED for username %s and password %s", |
mqtt_msgFree(&buf, 42); | sess->sess_user, sess->sess_pass); |
goto end; |
goto end; |
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} else |
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VERB(1) syslog(LOG_WARNING, "Login:: ALLOWED for username %s ...", sess->sess_user); |
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ret = mqtt_msgCONNACK(&msg, ret); |
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if ((ret = send(sess->sess_sock, msg.msg_base, ret, 0)) == -1) { |
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VERB(3) syslog(LOG_ERR, "Error:: send(%d) #%d - %s", sess->sess_sock, errno, strerror(errno)); |
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finiSession(sess); |
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return NULL; |
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} else { |
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VERB(5) ioLOGGER(LOG_DEBUG, "Sended %d bytes", ret); |
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mqtt_msgFree((mqtt_msg_t**) &msg, 0); |
} |
} |
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ret = mqttDispatcher(cbs, buf); | /* Start session thread OK ... */ |
| pthread_attr_init(&attr); |
| pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED); |
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mqtt_msgFree(&buf, 42); | pthread_mutex_lock(&mtx_sess); |
| TAILQ_INSERT_TAIL(&Sessions, sess, sess_node); |
| pthread_create(&sess->sess_tid, &attr, (void*(*)(void*)) thrSession, sess); |
| pthread_mutex_unlock(&mtx_sess); |
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switch (ret) { | VERB(1) ioLOGGER(LOG_DEBUG, "ConnID=%s(%s) for %s login OK!", |
case -1: | sess->sess_cid, sess->sess_user, sess->sess_addr); |
syslog(LOG_ERR, "Error:: in MQTT protocol #%d - %s", mqtt_GetErrno(), mqtt_GetError()); | |
break; | pthread_attr_destroy(&attr); |
default: | return NULL; |
return NULL; | |
} | |
end: /* close client connection */ |
end: /* close client connection */ |
close(TASK_FD(task)); | ret = mqtt_msgCONNACK(&msg, ret); |
VERB(1) syslog(LOG_DEBUG, "Close client %s with socket=%d", | if ((ret = send(sess->sess_sock, msg.msg_base, ret, 0)) == -1) { |
(char*) TASK_ARG(task), (int) TASK_FD(task)); | VERB(3) syslog(LOG_ERR, "Error:: send(%d) #%d - %s", sess->sess_sock, errno, strerror(errno)); |
if (TASK_ARG(task)) | } else { |
free(TASK_ARG(task)); | VERB(5) ioLOGGER(LOG_DEBUG, "Sended %d bytes", ret); |
| mqtt_msgFree((mqtt_msg_t**) &msg, 0); |
| } |
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| VERB(1) ioLOGGER(LOG_DEBUG, "Close client %s with socket=%d", sess->sess_addr, sess->sess_sock); |
| finiSession(sess); |
return NULL; |
return NULL; |
} |
} |
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Line 50 static void *
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Line 187 static void *
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thrSched(void *arg __unused) |
thrSched(void *arg __unused) |
{ |
{ |
FTRACE(1); |
FTRACE(1); |
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struct tagSession *sess; |
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schedRun(root, (intptr_t*) &Kill); |
schedRun(root, (intptr_t*) &Kill); |
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TAILQ_FOREACH(sess, &Sessions, sess_node) |
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if (sess->sess_tid) |
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pthread_cancel(sess->sess_tid); |
pthread_exit(NULL); |
pthread_exit(NULL); |
} |
} |
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Line 61 Run(int sock)
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Line 203 Run(int sock)
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io_sockaddr_t sa; |
io_sockaddr_t sa; |
socklen_t sslen = sizeof sa.ss; |
socklen_t sslen = sizeof sa.ss; |
int cli; |
int cli; |
char *str = NULL, szAddr[STRSIZ] = { 0 }; |
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pthread_t tid; |
pthread_t tid; |
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ait_val_t *v; |
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FTRACE(1); |
FTRACE(1); |
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Line 71 Run(int sock)
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Line 213 Run(int sock)
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return -1; |
return -1; |
} else |
} else |
pthread_detach(tid); |
pthread_detach(tid); |
VERB(2) syslog(LOG_DEBUG, "Run scheduler management thread"); | VERB(2) ioLOGGER(LOG_DEBUG, "Run scheduler management thread"); |
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if (listen(sock, SOMAXCONN) == -1) { |
if (listen(sock, SOMAXCONN) == -1) { |
syslog(LOG_ERR, "Error:: listen(%d) #%d - %s\n", sock, errno, strerror(errno)); |
syslog(LOG_ERR, "Error:: listen(%d) #%d - %s\n", sock, errno, strerror(errno)); |
Line 83 Run(int sock)
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Line 225 Run(int sock)
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if ((cli = accept(sock, &sa.sa, &sslen)) == -1) { |
if ((cli = accept(sock, &sa.sa, &sslen)) == -1) { |
syslog(LOG_ERR, "Error:: accept() #%d - %s", errno, strerror(errno)); |
syslog(LOG_ERR, "Error:: accept() #%d - %s", errno, strerror(errno)); |
continue; |
continue; |
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} |
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v = io_allocVar(); |
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if (!v) { |
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ioLIBERR(mqtt); |
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break; |
} else |
} else |
VERB(1) { | io_n2addr(&sa, v); |
switch (sa.sa.sa_family) { | VERB(1) ioLOGGER(LOG_DEBUG, "Connected client with socket=%d from %s:%d", cli, |
case AF_INET: | AIT_GET_STR(v), io_n2port(&sa)); |
inet_ntop(AF_INET, &sa.sin.sin_addr, szAddr, sslen); | |
snprintf(szAddr, sizeof szAddr, "%s:%d", | |
szAddr, ntohs(sa.sin.sin_port)); | |
break; | |
case AF_INET6: | |
inet_ntop(AF_INET6, &sa.sin6.sin6_addr, szAddr, sslen); | |
snprintf(szAddr, sizeof szAddr, "%s:%d", | |
szAddr, ntohs(sa.sin6.sin6_port)); | |
break; | |
case AF_LOCAL: | |
strlcpy(szAddr, sa.sun.sun_path, sizeof szAddr); | |
break; | |
default: | |
close(cli); | |
syslog(LOG_ERR, "Error:: unsupported address type %d", | |
sa.sa.sa_family); | |
continue; | |
} | |
str = strdup(szAddr); | |
syslog(LOG_DEBUG, "Connected client with socket=%d from %s", cli, str); | |
} | |
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if (!schedRead(root, startSession, str, cli)) { | if (!schedRead(root, startSession, v, cli)) { |
| io_freeVar(v); |
close(cli); |
close(cli); |
VERB(1) syslog(LOG_DEBUG, "Terminated client with socket=%d", cli); | VERB(1) ioLOGGER(LOG_DEBUG, "Terminated client with socket=%d", cli); |
if (str) | |
free(str); | |
} |
} |
} |
} |
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