version 1.1.2.16, 2011/12/12 09:24:25
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version 1.1.2.29, 2012/01/05 10:01:20
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Line 1
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Line 1
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#include "global.h" |
#include "global.h" |
#include "rtlm.h" |
#include "rtlm.h" |
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#include "utils.h" |
#include "mqttd.h" |
#include "mqttd.h" |
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static inline struct tagSession * |
static inline struct tagSession * |
initSession(int sock, char * __restrict addr) | initSession(int sock, ait_val_t * __restrict v) |
{ |
{ |
struct tagSession *sess = NULL; |
struct tagSession *sess = NULL; |
const char *str; |
const char *str; |
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FTRACE(5); | ioTRACE(5); |
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if (!addr) | if (!v) |
return NULL; |
return NULL; |
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sess = malloc(sizeof(struct tagSession)); |
sess = malloc(sizeof(struct tagSession)); |
if (!sess) { |
if (!sess) { |
VERB(3) syslog(LOG_ERR, "Error:: in malloc #%d - %s", errno, strerror(errno)); | ioDEBUG(3, "Error:: in malloc #%d - %s", errno, strerror(errno)); |
| io_freeVar(v); |
return NULL; |
return NULL; |
} else |
} else |
memset(sess, 0, sizeof(struct tagSession)); |
memset(sess, 0, sizeof(struct tagSession)); |
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str = cfg_GetAttribute(&cfg, CFG("mqttd"), CFG("retry")); | str = (const char*) cfg_GetAttribute(&cfg, CFG("mqttd"), CFG("retry")); |
if (!str) |
if (!str) |
sess->sess_retry = DEFAULT_RETRY; |
sess->sess_retry = DEFAULT_RETRY; |
else |
else |
Line 29 initSession(int sock, char * __restrict addr)
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Line 31 initSession(int sock, char * __restrict addr)
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sess->sess_buf = mqtt_msgAlloc(0); |
sess->sess_buf = mqtt_msgAlloc(0); |
if (!sess->sess_buf) { |
if (!sess->sess_buf) { |
VERB(3) syslog(LOG_ERR, "Error:: in msgAlloc #%d - %s", mqtt_GetErrno(), mqtt_GetError()); | ioDEBUG(3, "Error:: in msgAlloc #%d - %s", mqtt_GetErrno(), mqtt_GetError()); |
free(sess); |
free(sess); |
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io_freeVar(v); |
return NULL; |
return NULL; |
} |
} |
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sess->sess_sock = sock; |
sess->sess_sock = sock; |
strlcpy(sess->sess_addr, addr, sizeof sess->sess_addr); | strlcpy(sess->sess_addr, (char*) AIT_GET_STR(v), sizeof sess->sess_addr); |
free(addr); | io_freeVar(v); |
return sess; |
return sess; |
} |
} |
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Line 46 finiSession(struct tagSession *sess)
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Line 49 finiSession(struct tagSession *sess)
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register int i; |
register int i; |
struct tagStore *store; |
struct tagStore *store; |
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FTRACE(5); | ioTRACE(5); |
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if (!sess) |
if (!sess) |
return; |
return; |
Line 62 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); |
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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); | |
} | |
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mqtt_msgFree(&sess->sess_buf, 42); |
mqtt_msgFree(&sess->sess_buf, 42); |
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if (sess->sess_tid) |
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pthread_cancel(sess->sess_tid); |
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free(sess); |
free(sess); |
} |
} |
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static void |
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stopSession(struct tagSession *sess) |
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{ |
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mqtt_msg_t msg = { NULL, 0 }; |
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int ret; |
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ioTRACE(4); |
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assert(sess); |
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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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ret = mqtt_msgDISCONNECT(&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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else { |
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ioDEBUG(5, "Sended %d bytes for disconnect", 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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ioDEBUG(1, "Close socket=%d", sess->sess_sock); |
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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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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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ioTRACE(4); |
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assert(sess); |
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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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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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/* Keep Alive is OK! */ |
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return 0; |
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} |
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static void * |
static void * |
thrSession(struct tagSession *sess) |
thrSession(struct tagSession *sess) |
{ |
{ |
FTRACE(2); | u_char basebuf[USHRT_MAX]; |
| mqtt_msg_t msg = { NULL, 0 }, buf = { basebuf, sizeof basebuf }; |
| int ret; |
| struct pollfd pfd; |
| struct mqtthdr *hdr; |
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TAILQ_REMOVE(&Sessions, sess, sess_node); | pthread_cleanup_push((void(*)(void*)) stopSession, sess); |
| 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_exit(NULL); |
pthread_exit(NULL); |
return NULL; |
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} |
} |
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static void * |
static void * |
startSession(sched_task_t *task) |
startSession(sched_task_t *task) |
{ |
{ |
u_char basebuf[USHRT_MAX]; |
u_char basebuf[USHRT_MAX]; |
mqtt_msg_t 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; |
| pthread_attr_t attr; |
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FTRACE(4); | ioTRACE(4); |
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assert(task); |
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sess = initSession(TASK_FD(task), TASK_ARG(task)); |
sess = initSession(TASK_FD(task), TASK_ARG(task)); |
if (!sess) { |
if (!sess) { |
if (TASK_ARG(task)) | io_freeVar(TASK_ARG(task)); |
free(TASK_ARG(task)); | |
close(TASK_FD(task)); |
close(TASK_FD(task)); |
return NULL; |
return NULL; |
} |
} |
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/* receive & decode packet */ |
if (recv(sess->sess_sock, buf.msg_base, buf.msg_len, 0) == -1) { |
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)); | ioDEBUG(3, "Error:: recv(%d) #%d - %s", sess->sess_sock, errno, strerror(errno)); |
goto end; | finiSession(sess); |
| return NULL; |
} |
} |
cack = mqtt_readCONNECT(&buf, &sess->sess_ka, sess->sess_cid, sizeof sess->sess_cid, |
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_user, sizeof sess->sess_user, sess->sess_pass, sizeof sess->sess_pass, |
&sess->sess_will.topic, &sess->sess_will.msg); |
&sess->sess_will.topic, &sess->sess_will.msg); |
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ret = cack.retcode; |
flg.flags = cack.reserved; |
flg.flags = cack.reserved; |
if (flg.reserved) { |
if (flg.reserved) { |
VERB(3) syslog(LOG_ERR, "Error:: in MQTT protocol #%d - %s", mqtt_GetErrno(), mqtt_GetError()); | ioDEBUG(3, "Error:: in MQTT protocol #%d - %s", mqtt_GetErrno(), mqtt_GetError()); |
goto end; |
goto end; |
} else { |
} else { |
sess->sess_clean = flg.clean_sess; |
sess->sess_clean = flg.clean_sess; |
Line 122 startSession(sched_task_t *task)
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Line 241 startSession(sched_task_t *task)
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} |
} |
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/* check online table for user */ |
/* check online table for user */ |
if (call.LoginACC(&cfg, acc, sess->sess_user, sess->sess_pass)) { | if (call.LoginACC(&cfg, acc, sess->sess_user, sess->sess_pass) < 1) { |
VERB(1) syslog(LOG_WARNING, "Login:: DENIED for username %s and password %s", | ioDEBUG(0, "Login:: DENIED for username %s and password %s", |
sess->sess_user, sess->sess_pass); |
sess->sess_user, sess->sess_pass); |
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ret = MQTT_RETCODE_DENIED; |
goto end; |
goto end; |
} else | } else { |
VERB(1) syslog(LOG_WARNING, "Login:: ALLOWED for username %s ...", sess->sess_user); | ioDEBUG(1, "Login:: ALLOWED for username %s ...", sess->sess_user); |
| ret = MQTT_RETCODE_ACCEPTED; |
| } |
| if (call.FiniSessPUB(&cfg, pub, sess->sess_cid, sess->sess_user, "%") > 0) { |
| ioDEBUG(2, "Old session %s should be disconnect!", sess->sess_cid); |
| TAILQ_FOREACH(s, &Sessions, sess_node) |
| if (!strcmp(s->sess_cid, sess->sess_cid)) { |
| /* found stale session & disconnect it! */ |
| stopSession(s); |
| break; |
| } |
| } |
| 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.qos, sess->sess_will.retain) == -1) { |
| ioDEBUG(0, "Session %s DENIED for username %s", sess->sess_cid, sess->sess_user); |
| ret = MQTT_RETCODE_DENIED; |
| goto end; |
| } else { |
| ioDEBUG(0, "Session %s from %s and username %s is started", |
| sess->sess_cid, sess->sess_addr, sess->sess_user); |
| ret = MQTT_RETCODE_ACCEPTED; |
| } |
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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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ioDEBUG(3, "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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ioDEBUG(5, "Sended %d bytes", 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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/* Start session thread OK ... */ |
/* Start session thread OK ... */ |
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pthread_attr_init(&attr); |
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pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED); |
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pthread_mutex_lock(&mtx_sess); |
TAILQ_INSERT_TAIL(&Sessions, sess, sess_node); |
TAILQ_INSERT_TAIL(&Sessions, sess, sess_node); |
pthread_create(&sess->sess_tid, NULL, (void*(*)(void*)) thrSession, sess); | pthread_create(&sess->sess_tid, &attr, (void*(*)(void*)) thrSession, sess); |
pthread_detach(sess->sess_tid); | pthread_mutex_unlock(&mtx_sess); |
VERB(1) syslog(LOG_DEBUG, "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); |
return NULL; |
return NULL; |
end: /* close client connection */ |
end: /* close client connection */ |
VERB(1) syslog(LOG_DEBUG, "Close client %s with socket=%d", | ret = mqtt_msgCONNACK(&msg, ret); |
(char*) TASK_ARG(task), (int) TASK_FD(task)); | 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", ret); |
| free(msg.msg_base); |
| memset(&msg, 0, sizeof msg); |
| } |
| |
| ioDEBUG(1, "Close client %s with socket=%d", sess->sess_addr, sess->sess_sock); |
finiSession(sess); |
finiSession(sess); |
return NULL; |
return NULL; |
} |
} |
Line 148 end: /* close client connection */
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Line 316 end: /* close client connection */
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static void * |
static void * |
thrSched(void *arg __unused) |
thrSched(void *arg __unused) |
{ |
{ |
FTRACE(1); | struct tagSession *sess; |
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schedRun(root, (intptr_t*) &Kill); | ioTRACE(1); |
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| schedRun(root, &Kill); |
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| TAILQ_FOREACH(sess, &Sessions, sess_node) |
| if (sess->sess_tid) |
| pthread_cancel(sess->sess_tid); |
pthread_exit(NULL); |
pthread_exit(NULL); |
} |
} |
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Line 160 Run(int sock)
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Line 334 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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char str[STRSIZ]; |
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FTRACE(1); | ioTRACE(1); |
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if (pthread_create(&tid, NULL, thrSched, NULL)) { |
if (pthread_create(&tid, NULL, thrSched, NULL)) { |
syslog(LOG_ERR, "Error:: thread scheduler #%d - %s", errno, strerror(errno)); | ioLOGERR(0); |
return -1; |
return -1; |
} else |
} else |
pthread_detach(tid); |
pthread_detach(tid); |
VERB(2) syslog(LOG_DEBUG, "Run scheduler management thread"); | ioDEBUG(2, "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)); | ioLOGERR(0); |
pthread_cancel(tid); | |
return -1; |
return -1; |
} |
} |
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while (!Kill) { |
while (!Kill) { |
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)); | if (!Kill) |
continue; | continue; |
} else | ioLOGERR(0); |
VERB(1) { | break; |
switch (sa.sa.sa_family) { | } |
case AF_INET: | v = io_allocVar(); |
inet_ntop(AF_INET, &sa.sin.sin_addr, szAddr, sslen); | if (!v) { |
snprintf(szAddr, sizeof szAddr, "%s:%d", | ioLIBERR(mqtt); |
szAddr, ntohs(sa.sin.sin_port)); | break; |
break; | } else { |
case AF_INET6: | memset(str, 0, sizeof str); |
inet_ntop(AF_INET6, &sa.sin6.sin6_addr, szAddr, sslen); | snprintf(str, sizeof str, "%s:%hu", io_n2addr(&sa, v), io_n2port(&sa)); |
snprintf(szAddr, sizeof szAddr, "%s:%d", | AIT_SET_STR(v, str); |
szAddr, ntohs(sa.sin6.sin6_port)); | } |
break; | ioDEBUG(1, "Connected client with socket=%d from %s", cli, AIT_GET_STR(v)); |
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); | ioDEBUG(1, "Terminated client with socket=%d", cli); |
if (str) | |
free(str); | |
} |
} |
} |
} |
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