version 1.1.2.28, 2011/12/16 13:34:41
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version 1.4, 2012/07/03 12:46:00
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/************************************************************************* |
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* (C) 2011 AITNET ltd - Sofia/Bulgaria - <misho@aitbg.com> |
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* by Michael Pounov <misho@openbsd-bg.org> |
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* |
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* $Author$ |
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* $Id$ |
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* |
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************************************************************************** |
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The ELWIX and AITNET software is distributed under the following |
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terms: |
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All of the documentation and software included in the ELWIX and AITNET |
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Releases is copyrighted by ELWIX - Sofia/Bulgaria <info@elwix.org> |
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Copyright 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 |
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by Michael Pounov <misho@elwix.org>. All rights reserved. |
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Redistribution and use in source and binary forms, with or without |
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modification, are permitted provided that the following conditions |
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are met: |
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1. Redistributions of source code must retain the above copyright |
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notice, this list of conditions and the following disclaimer. |
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2. Redistributions in binary form must reproduce the above copyright |
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notice, this list of conditions and the following disclaimer in the |
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documentation and/or other materials provided with the distribution. |
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3. All advertising materials mentioning features or use of this software |
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must display the following acknowledgement: |
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This product includes software developed by Michael Pounov <misho@elwix.org> |
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ELWIX - Embedded LightWeight unIX and its contributors. |
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4. Neither the name of AITNET nor the names of its contributors |
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may be used to endorse or promote products derived from this software |
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without specific prior written permission. |
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THIS SOFTWARE IS PROVIDED BY AITNET AND CONTRIBUTORS ``AS IS'' AND |
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
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FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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SUCH DAMAGE. |
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*/ |
#include "global.h" |
#include "global.h" |
#include "rtlm.h" |
#include "rtlm.h" |
#include "utils.h" |
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#include "mqttd.h" |
#include "mqttd.h" |
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#include "mqttd_calls.h" |
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#include "utils.h" |
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static inline struct tagSession * |
static inline struct tagSession * |
Line 15 initSession(int sock, ait_val_t * __restrict v)
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Line 61 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) { |
ioDEBUG(3, "Error:: in malloc #%d - %s", errno, strerror(errno)); | ioSYSERR(0); |
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 = (const char*) cfg_GetAttribute(&cfg, CFG("mqttd"), CFG("retry")); | SLIST_INIT(&sess->sess_subscr); |
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| str = cfg_getAttribute(&cfg, "mqttd", "retry"); |
if (!str) |
if (!str) |
sess->sess_retry = DEFAULT_RETRY; |
sess->sess_retry = DEFAULT_RETRY; |
else |
else |
sess->sess_retry = strtol(str, NULL, 0); |
sess->sess_retry = strtol(str, NULL, 0); |
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sess->sess_buf = mqtt_msgAlloc(0); | sess->sess_buf = mqtt_msgAlloc(USHRT_MAX); |
if (!sess->sess_buf) { |
if (!sess->sess_buf) { |
ioDEBUG(3, "Error:: in msgAlloc #%d - %s", mqtt_GetErrno(), mqtt_GetError()); | ioLIBERR(mqtt); |
free(sess); | io_free(sess); |
io_freeVar(v); | |
return NULL; |
return NULL; |
} |
} |
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/* init server actor */ |
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sess->sess_srv = mqtt_srv_cliInit(sock, sess->sess_buf, sess->sess_ka, 1); |
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if (!sess->sess_srv) { |
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ioDEBUG(3, "Error:: in srv_Init #%d - %s", mqtt_GetErrno(), mqtt_GetError()); |
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mqtt_msgFree(&sess->sess_buf, 42); |
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io_free(sess); |
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return NULL; |
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} else { |
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mqtt_srv_setCmd(sess->sess_srv, MQTT_TYPE_CONNECT, cmdCONNECT); |
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mqtt_srv_setCmd(sess->sess_srv, MQTT_TYPE_PUBLISH, cmdPUBLISH); |
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mqtt_srv_setCmd(sess->sess_srv, MQTT_TYPE_PUBREL, cmdPUBREL); |
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mqtt_srv_setCmd(sess->sess_srv, MQTT_TYPE_SUBSCRIBE, cmdSUBSCRIBE); |
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mqtt_srv_setCmd(sess->sess_srv, MQTT_TYPE_UNSUBSCRIBE, cmdUNSUBSCRIBE); |
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mqtt_srv_setCmd(sess->sess_srv, MQTT_TYPE_PINGREQ, cmdPINGREQ); |
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mqtt_srv_setCmd(sess->sess_srv, MQTT_TYPE_DISCONNECT, cmdDISCONNECT); |
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} |
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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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static void |
static void |
finiSession(struct tagSession *sess) |
finiSession(struct tagSession *sess) |
{ |
{ |
register int i; |
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struct tagStore *store; |
struct tagStore *store; |
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ioTRACE(5); |
ioTRACE(5); |
Line 54 finiSession(struct tagSession *sess)
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Line 115 finiSession(struct tagSession *sess)
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if (!sess) |
if (!sess) |
return; |
return; |
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for (i = 0; i < MQTT_QOS_RESERVED; i++) | schedCancelby(root, taskTIMER, CRITERIA_CALL, sendRetain, NULL); |
while ((store = SLIST_FIRST(&sess->sess_store[i]))) { | |
SLIST_REMOVE_HEAD(&sess->sess_store[i], st_node); | |
free(store); | |
} | |
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if (sess->sess_will.msg) | if (sess->sess_clean) { |
free(sess->sess_will.msg); | 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) /* only dynamic messages */ |
| call.WipePUB_topic(&cfg, pub, sess->sess_cid, sess->sess_user, 0); |
| } |
| |
| while ((store = SLIST_FIRST(&sess->sess_subscr))) { |
| SLIST_REMOVE_HEAD(&sess->sess_subscr, st_node); |
| |
| if (store->st_subscr.sub_topic.msg_base) |
| free(store->st_subscr.sub_topic.msg_base); |
| if (store->st_subscr.sub_value.msg_base) |
| free(store->st_subscr.sub_value.msg_base); |
| |
| io_free(store); |
| } |
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| if (sess->sess_will.flag) |
| pubWill(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_will.msg) |
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free(sess->sess_will.msg); |
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if (sess->sess_sock > STDERR_FILENO) |
if (sess->sess_sock > STDERR_FILENO) |
srv_Close(sess->sess_sock); |
srv_Close(sess->sess_sock); |
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mqtt_srv_cliFini(&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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pthread_mutex_lock(&mtx_sess); |
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TAILQ_REMOVE(&Sessions, sess, sess_node); |
TAILQ_REMOVE(&Sessions, sess, sess_node); |
pthread_mutex_unlock(&mtx_sess); |
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ret = mqtt_msgDISCONNECT(&msg); | ret = mqtt_msgDISCONNECT(sess->sess_buf); |
if ((ret = send(sess->sess_sock, msg.msg_base, ret, 0)) == -1) | send(TASK_FD(task), sess->sess_buf->msg_base, ret, MSG_NOSIGNAL); |
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); | |
} | |
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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 int | static void * |
KASession(struct tagSession *sess) | dispatchSession(sched_task_t *task) |
{ |
{ |
u_char basebuf[USHRT_MAX]; | int ret, len = 0; |
mqtt_msg_t msg = { NULL, 0 }, buf = { basebuf, sizeof basebuf }; | struct tagSession *sess; |
int ret; | |
struct pollfd pfd; | |
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ioTRACE(4); | ioTRACE(2); |
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assert(task); |
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sess = TASK_ARG(task); |
assert(sess); |
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 */ |
/* receive & decode packet */ |
if (recv(sess->sess_sock, buf.msg_base, buf.msg_len, 0) == -1) { | if ((ret = recv(TASK_FD(task), 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)); |
ioDEBUG(3, "Error:: recv(%d) #%d - %s", sess->sess_sock, errno, strerror(errno)); |
return -1; | 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; |
} |
} |
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! */ | do { |
return 0; | /* dispatch message type */ |
| if ((len = mqtt_srv_cliDispatch(sess->sess_srv, ret, sess)) < 0) { |
| if (len == -1) { |
| ioLIBERR(mqtt); |
| finiSession(sess); |
| } else if (len == -2) { |
| TAILQ_REMOVE(&Sessions, sess, sess_node); |
| finiSession(sess); |
| } else if (len == -3) |
| schedEvent(root, startSession, NULL, (u_long) TASK_FD(task), sess, ret); |
| } else |
| ret -= len; |
| } while (len > 0 && ret > 0); |
| |
| if (len >= 0 && !schedRead(root, dispatchSession, TASK_ARG(task), TASK_FD(task), NULL, 0)) { |
| ioLIBERR(sched); |
| TAILQ_REMOVE(&Sessions, sess, sess_node); |
| finiSession(sess); |
| } |
| return NULL; |
} |
} |
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static void * | static int |
thrSession(struct tagSession *sess) | loadSubscribes(struct tagSession * __restrict sess, mqtt_subscr_t * __restrict subs) |
{ |
{ |
u_char basebuf[USHRT_MAX]; | register int i; |
mqtt_msg_t msg = { NULL, 0 }, buf = { basebuf, sizeof basebuf }; | struct tagStore *store; |
int ret; | |
struct pollfd pfd; | |
struct mqtthdr *hdr; | |
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pthread_cleanup_push((void(*)(void*)) stopSession, sess); | if (!subs) |
ioTRACE(2); | return -1; |
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pfd.fd = sess->sess_sock; | for (i = 0; subs[i].sub_topic.msg_base; i++) { |
pfd.events = POLLIN | POLLPRI; | store = io_malloc(sizeof(struct tagStore)); |
while (!Kill) { | if (!store) { |
if ((ret = poll(&pfd, 1, sess->sess_ka)) == -1 || | ioSYSERR(0); |
pfd.revents & (POLLERR | POLLHUP | POLLNVAL)) { | continue; |
ioDEBUG(3, "Error:: poll(%d) #%d - %s", sess->sess_sock, errno, strerror(errno)); | } else { |
break; | store->st_msgid = 0; |
} else if (!ret && (ret = KASession(sess))) { | mqtt_subCopy(&store->st_subscr, &subs[i]); |
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 */ |
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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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switch (hdr->mqtt_msg.type) { | /* add to cache */ |
default: | SLIST_INSERT_HEAD(&sess->sess_subscr, store, st_node); |
ioDEBUG(5, "Error:: Session %s, wrong command %d - DISCARDED", | |
sess->sess_cid, hdr->mqtt_msg.type); | |
break; | |
} | |
} |
} |
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pthread_cleanup_pop(42); | return 0; |
pthread_exit(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; |
pthread_attr_t attr; | mqtt_subscr_t *subs; |
| struct timespec ts = { RETAIN_TIMEOUT, 0 }; |
| intptr_t sock; |
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ioTRACE(4); |
ioTRACE(4); |
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assert(task); |
assert(task); |
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sess = initSession(TASK_FD(task), TASK_ARG(task)); | if (!TASK_DATA(task)) { |
if (!sess) { | v = TASK_ARG(task); |
io_freeVar(TASK_ARG(task)); | /* flow from accept new clients */ |
close(TASK_FD(task)); | sess = initSession(TASK_FD(task), v); |
return NULL; | io_freeVar(&v); |
} | if (!sess) { |
| close(TASK_FD(task)); |
| return NULL; |
| } |
|
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/* receive & decode packet */ | /* 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) { |
ioDEBUG(3, "Error:: recv(%d) #%d - %s", sess->sess_sock, errno, strerror(errno)); | ioDEBUG(3, "Error:: recv(%d) #%d - %s", sess->sess_sock, errno, strerror(errno)); |
finiSession(sess); | finiSession(sess); |
return NULL; | return NULL; |
| } |
| } else { |
| sess = TASK_DATA(task); |
| assert(sess); |
| |
| 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); |
} |
} |
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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); |
Line 237 startSession(sched_task_t *task)
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Line 310 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 249 startSession(sched_task_t *task)
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Line 324 startSession(sched_task_t *task)
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ioDEBUG(1, "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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/* 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); | sock = s->sess_sock; |
| schedCancelby(root, taskMAX, CRITERIA_FD, (void*) sock, NULL); |
| schedWrite(root, leaveClient, s, s->sess_sock, NULL, 0); |
break; |
break; |
} |
} |
} |
} |
Line 269 startSession(sched_task_t *task)
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Line 348 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) /* delete ALL messages */ |
return NULL; | call.WipePUB_topic(&cfg, pub, sess->sess_cid, sess->sess_user, -1); |
} else { | } else if (call.ReadPUB_subscribe) { |
ioDEBUG(5, "Sended %d bytes", ret); | /* load subscribes */ |
free(msg.msg_base); | subs = call.ReadPUB_subscribe(&cfg, pub, sess->sess_cid, "%"); |
memset(&msg, 0, sizeof msg); | loadSubscribes(sess, subs); |
| mqtt_subFree(&subs); |
} |
} |
|
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/* Start session thread OK ... */ | /* timer event for retain messages */ |
pthread_attr_init(&attr); | if (call.ReadPUB_topic) |
pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED); | schedTimer(root, sendRetain, sess, ts, NULL, 0); |
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pthread_mutex_lock(&mtx_sess); | /* Start session task OK ... */ |
TAILQ_INSERT_TAIL(&Sessions, sess, sess_node); | if (!schedRead(root, dispatchSession, sess, TASK_FD(task), NULL, 0)) { |
pthread_create(&sess->sess_tid, &attr, (void*(*)(void*)) thrSession, sess); | ioLIBERR(sched); |
pthread_mutex_unlock(&mtx_sess); | ret = MQTT_RETCODE_DENIED; |
| } else |
| TAILQ_INSERT_TAIL(&Sessions, sess, sess_node); |
|
|
call.LOG(logg, "Session %s started from %s for user %s 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_addr, sess->sess_user, sess->sess_ka); |
| |
pthread_attr_destroy(&attr); | |
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); | |
} | |
|
|
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; |
} |
} |
|
|
/* ----------------------------------------------------------------------- */ |
|
|
|
static void * |
static void * |
thrSched(void *arg __unused) | acceptClient(sched_task_t *task) |
{ |
{ |
struct tagSession *sess; | int cli; |
| io_sockaddr_t sa; |
| socklen_t sslen = sizeof sa.ss; |
| ait_val_t *v; |
| char str[STRSIZ]; |
|
|
ioTRACE(1); | ioTRACE(4); |
|
|
schedRun(root, &Kill); | assert(task); |
|
|
TAILQ_FOREACH(sess, &Sessions, sess_node) | if ((cli = accept(TASK_FD(task), &sa.sa, &sslen)) == -1) |
if (sess->sess_tid) | goto end; |
pthread_cancel(sess->sess_tid); | |
pthread_exit(NULL); | v = io_allocVar(); |
| if (!v) { |
| ioLIBERR(io); |
| close(cli); |
| goto end; |
| } else { |
| memset(str, 0, sizeof str); |
| snprintf(str, sizeof str, "%s:%hu", io_n2addr(&sa, v), io_n2port(&sa)); |
| AIT_FREE_VAL(v); |
| 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, NULL, 0)) { |
| io_freeVar(&v); |
| close(cli); |
| ioDEBUG(1, "Terminated client with socket=%d", cli); |
| } |
| end: |
| if (!schedRead(root, acceptClient, NULL, TASK_FD(task), NULL, 0)) |
| ioLIBERR(sched); |
| return NULL; |
} |
} |
|
|
|
/* ----------------------------------------------------------------------- */ |
|
|
int |
int |
Run(int sock) |
Run(int sock) |
{ |
{ |
io_sockaddr_t sa; | struct tagSession *sess; |
socklen_t sslen = sizeof sa.ss; | struct timespec pl = { 0, 100000000 }; |
int cli; | |
pthread_t tid; | |
ait_val_t *v; | |
char str[STRSIZ]; | |
|
|
ioTRACE(1); |
ioTRACE(1); |
|
|
if (pthread_create(&tid, NULL, thrSched, NULL)) { | if (mqtt_srv_Listen(sock, 0, 1) == -1) { |
ioLOGERR(0); | ioLIBERR(mqtt); |
return -1; |
return -1; |
} else | } |
pthread_detach(tid); | |
ioDEBUG(2, "Run scheduler management thread"); | |
|
|
if (listen(sock, SOMAXCONN) == -1) { | /* state machine - accept new connections */ |
ioLOGERR(0); | if (!schedRead(root, acceptClient, NULL, sock, NULL, 0)) { |
| ioLIBERR(sched); |
return -1; |
return -1; |
} |
} |
|
|
while (!Kill) { | schedPolling(root, &pl, NULL); |
if ((cli = accept(sock, &sa.sa, &sslen)) == -1) { | schedRun(root, &Kill); |
if (!Kill) | |
continue; | |
ioLOGERR(0); | |
break; | |
} | |
v = io_allocVar(); | |
if (!v) { | |
ioLIBERR(mqtt); | |
break; | |
} else { | |
memset(str, 0, sizeof str); | |
snprintf(str, sizeof str, "%s:%hu", io_n2addr(&sa, 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)) { | schedCancelby(root, taskTIMER, CRITERIA_CALL, sendRetain, NULL); |
io_freeVar(v); | |
close(cli); | |
ioDEBUG(1, "Terminated client with socket=%d", cli); | |
} | |
} | |
|
|
|
/* free all undeleted elements into lists */ |
|
TAILQ_FOREACH(sess, &Sessions, sess_node) { |
|
TAILQ_REMOVE(&Sessions, sess, sess_node); |
|
|
|
finiSession(sess); |
|
} |
return 0; |
return 0; |
} |
} |