version 1.2.2.24, 2012/06/20 14:51:38
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version 1.3, 2012/07/03 09:02:50
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#include "global.h" |
#include "global.h" |
#include "mqttd.h" |
#include "mqttd.h" |
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#include "utils.h" |
#include "rtlm.h" |
#include "rtlm.h" |
#include "mqttd_calls.h" |
#include "mqttd_calls.h" |
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static inline struct tagPkt * | static inline ait_val_t * |
mkPkt(void * __restrict data, int dlen) |
mkPkt(void * __restrict data, int dlen) |
{ |
{ |
struct tagPkt *p = NULL; | ait_val_t *p = NULL; |
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p = io_malloc(sizeof(struct tagPkt)); | if (!(p = io_allocVar())) { |
if (!p) { | |
ioDEBUG(7, "Error:: in send packet prepare #%d - %s", io_GetErrno(), io_GetError()); |
ioDEBUG(7, "Error:: in send packet prepare #%d - %s", io_GetErrno(), io_GetError()); |
return NULL; |
return NULL; |
} else |
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memset(p, 0, sizeof(struct tagPkt)); |
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p->pkt_data = io_allocVar(); |
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if (!p->pkt_data) { |
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ioDEBUG(7, "Error:: in send packet prepare #%d - %s", io_GetErrno(), io_GetError()); |
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io_free(p); |
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return NULL; |
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} |
} |
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if (data && dlen > 0) |
if (data && dlen > 0) |
AIT_SET_BUF(p->pkt_data, data, dlen); | AIT_SET_BUF(p, data, dlen); |
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return p; |
return p; |
} |
} |
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static inline void |
static inline void |
freePkt(struct tagPkt * __restrict p) | freePkt(ait_val_t ** __restrict p) |
{ |
{ |
if (!p) |
if (!p) |
return; |
return; |
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io_freeVar(&p->pkt_data); | io_freeVar(p); |
io_free(p); | |
} |
} |
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static void * |
static void * |
sendPacket(sched_task_t *task) |
sendPacket(sched_task_t *task) |
{ |
{ |
struct tagPkt *p = TASK_ARG(task); | ait_val_t *p = TASK_ARG(task); |
register int n, slen; |
register int n, slen; |
u_char *pos; |
u_char *pos; |
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if (!p || !p->pkt_data || AIT_ISEMPTY(p->pkt_data)) { | if (!p || AIT_ISEMPTY(p)) { |
ioDEBUG(9, "Error:: invalid packet or found empty content ..."); |
ioDEBUG(9, "Error:: invalid packet or found empty content ..."); |
return NULL; |
return NULL; |
} |
} |
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for (slen = AIT_LEN(p->pkt_data), pos = AIT_GET_BUF(p->pkt_data); slen > 0; | ioDEBUG(7, "Send packet length %d for socket %d\n", AIT_LEN(p), (u_int) TASK_FD(task)); |
slen -= n, pos += n) { | |
| for (slen = AIT_LEN(p), pos = AIT_GET_BUF(p); slen > 0; slen -= n, pos += n) { |
n = send(TASK_FD(task), pos, slen, MSG_NOSIGNAL); |
n = send(TASK_FD(task), pos, slen, MSG_NOSIGNAL); |
if (n == -1) { |
if (n == -1) { |
ioSYSERR(0); |
ioSYSERR(0); |
Line 60 sendPacket(sched_task_t *task)
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Line 52 sendPacket(sched_task_t *task)
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} |
} |
} |
} |
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freePkt(p); | freePkt(&p); |
return NULL; |
return NULL; |
} |
} |
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/* --------------------------------------------------- */ |
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static int |
static int |
pubOnce(struct tagSession *sess, char * __restrict psTopic, int datlen) | search4send(struct tagSession * __restrict sess, const char *topic, int datlen, char qos) |
{ |
{ |
struct tagPkt *p = NULL; |
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struct tagSession *s = NULL; |
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struct tagStore *st = NULL; |
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regex_t re; |
regex_t re; |
regmatch_t match; |
regmatch_t match; |
int ret; | ait_val_t *p = NULL; |
| struct tagSession *s = NULL; |
| struct tagStore *st_, *st = NULL; |
char szStr[STRSIZ]; |
char szStr[STRSIZ]; |
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int ret; |
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assert(sess); |
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TAILQ_FOREACH(s, &Sessions, sess_node) { |
TAILQ_FOREACH(s, &Sessions, sess_node) { |
SLIST_FOREACH(st, &s->sess_subscr, st_node) { | SLIST_FOREACH_SAFE(st, &s->sess_subscr, st_node, st_) { |
if ((ret = regcomp(&re, st->st_subscr.sub_topic.msg_base, REG_EXTENDED))) { | /* check for QoS */ |
regerror(ret, &re, szStr, sizeof szStr); | if (st->st_subscr.sub_ret >= qos) { |
| if ((ret = regcomp(&re, st->st_subscr.sub_topic.msg_base, REG_EXTENDED))) { |
| regerror(ret, &re, szStr, sizeof szStr); |
| regfree(&re); |
| ioDEBUG(3, "Error:: regcomp(%s) %s\n", (char*) |
| st->st_subscr.sub_topic.msg_base, szStr); |
| } |
| if (!regexec(&re, topic, 1, &match, 0)) { |
| /* MATCH */ |
| p = mkPkt(sess->sess_buf->msg_base, datlen); |
| schedWrite(root, sendPacket, p, s->sess_sock, NULL, 0); |
| } |
| |
regfree(&re); |
regfree(&re); |
ioDEBUG(3, "Error:: regcomp(%s) %s\n", (char*) |
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st->st_subscr.sub_topic.msg_base, szStr); |
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} |
} |
if (!regexec(&re, psTopic, 1, &match, 0)) { |
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/* MATCH */ |
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ioDEBUG(1, "+++ dlen=%d\n", datlen); |
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p = mkPkt(sess->sess_buf->msg_base, datlen); |
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schedWrite(root, sendPacket, p, s->sess_sock, NULL, 0); |
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} |
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regfree(&re); |
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} |
} |
} |
} |
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return 0; |
return 0; |
} |
} |
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/* --------------------------------------------------- */ |
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void * |
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sendRetain(sched_task_t *task) |
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{ |
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mqtt_subscr_t *subs, *s; |
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struct tagSession *sess; |
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int siz; |
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ioTRACE(2); |
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assert(task); |
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sess = TASK_ARG(task); |
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assert(sess); |
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if (!sess->sess_buf) { |
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ioDEBUG(9, "WARNING! No allocated buffer!?!\n"); |
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return NULL; |
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} |
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subs = call.ReadPUB_topic(&cfg, pub, "%", "%", 1); |
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if (!subs) |
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return NULL; |
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for (s = subs; s && s->sub_topic.msg_base; s++) { |
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siz = s->sub_value.msg_len; |
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memcpy(sess->sess_buf->msg_base, s->sub_value.msg_base, |
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MIN(sess->sess_buf->msg_len, s->sub_value.msg_len)); |
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ioDEBUG(7, "Sending retain message %d bytes, QoS %hhd topic '%s' data length %d\n", |
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siz, s->sub_ret, (char*) s->sub_topic.msg_base, s->sub_value.msg_len); |
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if (siz > 0) |
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search4send(sess, s->sub_topic.msg_base, siz, s->sub_ret); |
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} |
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mqtt_subFree(&subs); |
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return NULL; |
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} |
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int |
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pubWill(struct tagSession * __restrict sess) |
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{ |
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int datlen; |
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ioTRACE(2); |
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/* prepare will packet */ |
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datlen = mqtt_msgPUBLISH(sess->sess_buf, sess->sess_will.topic, 0xDEAD, 0, 1, 0, |
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sess->sess_will.msg, sess->sess_will.msg ? strlen(sess->sess_will.msg) : 0); |
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if (datlen == -1) |
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return -1; /* error */ |
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return search4send(sess, sess->sess_will.topic, datlen, MQTT_QOS_ACK); |
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} |
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static int |
static int |
pubAck(struct tagSession *sess, char * __restrict psTopic, int datlen) | pubOnce(struct tagSession *sess, char * __restrict psTopic, int datlen) |
{ |
{ |
return 0; | return search4send(sess, psTopic, datlen, MQTT_QOS_ONCE); |
} |
} |
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static int |
static int |
pubExactly(struct tagSession *sess, char * __restrict psTopic, int datlen) | pubAck(struct tagSession *sess, u_short mid, char * __restrict psTopic, int datlen) |
{ |
{ |
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struct mqtthdr *hdr = (struct mqtthdr*) sess->sess_buf->msg_base; |
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/* write topic to database */ |
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call.DeletePUB_topic(&cfg, pub, sess->sess_cid, mid, psTopic, sess->sess_user, |
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sess->sess_addr, hdr->mqtt_msg.retain); |
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call.WritePUB_topic(&cfg, pub, sess->sess_cid, mid, psTopic, |
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sess->sess_buf->msg_base, datlen, sess->sess_user, sess->sess_addr, |
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hdr->mqtt_msg.qos, hdr->mqtt_msg.retain); |
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search4send(sess, psTopic, datlen, MQTT_QOS_ACK); |
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/* delete not retain message */ |
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call.DeletePUB_topic(&cfg, pub, sess->sess_cid, mid, psTopic, sess->sess_user, |
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sess->sess_addr, 0); |
return 0; |
return 0; |
} |
} |
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static int |
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pubExactly(struct tagSession *sess, u_short mid, char * __restrict psTopic, int datlen) |
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{ |
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struct mqtthdr *hdr = (struct mqtthdr*) sess->sess_buf->msg_base; |
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/* write topic to database */ |
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call.DeletePUB_topic(&cfg, pub, sess->sess_cid, mid, psTopic, sess->sess_user, |
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sess->sess_addr, hdr->mqtt_msg.retain); |
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call.WritePUB_topic(&cfg, pub, sess->sess_cid, mid, psTopic, |
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sess->sess_buf->msg_base, datlen, sess->sess_user, sess->sess_addr, |
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hdr->mqtt_msg.qos, hdr->mqtt_msg.retain); |
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return search4send(sess, psTopic, datlen, MQTT_QOS_EXACTLY); |
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} |
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int |
int |
cmdPUBLISH(void *srv, int len, void *arg) |
cmdPUBLISH(void *srv, int len, void *arg) |
{ |
{ |
Line 120 cmdPUBLISH(void *srv, int len, void *arg)
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Line 198 cmdPUBLISH(void *srv, int len, void *arg)
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char szTopic[STRSIZ] = { 0 }; |
char szTopic[STRSIZ] = { 0 }; |
int siz = 0; |
int siz = 0; |
u_short mid = 0; |
u_short mid = 0; |
struct tagPkt *p = NULL; | ait_val_t *p = NULL; |
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ioTRACE(2); |
ioTRACE(2); |
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Line 134 cmdPUBLISH(void *srv, int len, void *arg)
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Line 212 cmdPUBLISH(void *srv, int len, void *arg)
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return 0; |
return 0; |
} |
} |
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/* duplicate packet for retransmit to subscribers */ |
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/* |
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pubpkt = mqtt_msgDup(sess->sess_buf); |
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if (!pubpkt) { |
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ioDEBUG(5, "Error:: in duplicate packet #%d - %s", mqtt_GetErrno(), mqtt_GetError()); |
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return 0; |
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} else |
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*/ |
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hdr = (struct mqtthdr*) sess->sess_buf->msg_base; |
hdr = (struct mqtthdr*) sess->sess_buf->msg_base; |
switch (hdr->mqtt_msg.qos) { |
switch (hdr->mqtt_msg.qos) { |
case MQTT_QOS_ACK: |
case MQTT_QOS_ACK: |
pubAck(sess, szTopic, mqtt_pktLen(hdr)); | if (pubAck(sess, mid, szTopic, mqtt_pktLen(hdr))) |
| return 0; |
siz = mqtt_msgPUBACK(sess->sess_buf, mid); |
siz = mqtt_msgPUBACK(sess->sess_buf, mid); |
if (siz == -1) { |
if (siz == -1) { |
ioDEBUG(5, "Error:: in msgPUBACK #%d - %s", |
ioDEBUG(5, "Error:: in msgPUBACK #%d - %s", |
Line 155 cmdPUBLISH(void *srv, int len, void *arg)
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Line 225 cmdPUBLISH(void *srv, int len, void *arg)
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} |
} |
break; |
break; |
case MQTT_QOS_EXACTLY: |
case MQTT_QOS_EXACTLY: |
pubExactly(sess, szTopic, mqtt_pktLen(hdr)); | if (pubExactly(sess, mid, szTopic, mqtt_pktLen(hdr))) |
| return 0; |
siz = mqtt_msgPUBREC(sess->sess_buf, mid); |
siz = mqtt_msgPUBREC(sess->sess_buf, mid); |
if (siz == -1) { |
if (siz == -1) { |
ioDEBUG(5, "Error:: in msgPUBREC #%d - %s", |
ioDEBUG(5, "Error:: in msgPUBREC #%d - %s", |
Line 181 cmdPUBREL(void *srv, int len, void *arg)
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Line 252 cmdPUBREL(void *srv, int len, void *arg)
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struct tagSession *sess = (struct tagSession*) arg; |
struct tagSession *sess = (struct tagSession*) arg; |
int siz = 0; |
int siz = 0; |
u_short mid = 0; |
u_short mid = 0; |
struct tagPkt *p = NULL; | ait_val_t *p = NULL; |
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ioTRACE(2); |
ioTRACE(2); |
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Line 195 cmdPUBREL(void *srv, int len, void *arg)
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Line 266 cmdPUBREL(void *srv, int len, void *arg)
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return 0; |
return 0; |
} |
} |
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// TODO:: Delete from database topic | /* delete not retain message */ |
| call.DeletePUB_topic(&cfg, pub, sess->sess_cid, mid, "%", sess->sess_user, |
| sess->sess_addr, 0); |
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siz = mqtt_msgPUBCOMP(sess->sess_buf, mid); |
siz = mqtt_msgPUBCOMP(sess->sess_buf, mid); |
if (siz == -1) { |
if (siz == -1) { |
ioDEBUG(5, "Error:: in msgPUBCOMP #%d - %s", mqtt_GetErrno(), mqtt_GetError()); |
ioDEBUG(5, "Error:: in msgPUBCOMP #%d - %s", mqtt_GetErrno(), mqtt_GetError()); |
return 0; |
return 0; |
} else { |
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p = mkPkt(sess->sess_buf->msg_base, siz); |
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memset(sess->sess_buf->msg_base, 0, sess->sess_buf->msg_len); |
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} |
} |
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p = mkPkt(sess->sess_buf->msg_base, siz); |
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memset(sess->sess_buf->msg_base, 0, sess->sess_buf->msg_len); |
schedWrite(root, sendPacket, p, sess->sess_sock, NULL, 0); |
schedWrite(root, sendPacket, p, sess->sess_sock, NULL, 0); |
return 0; |
return 0; |
} |
} |
Line 221 cmdSUBSCRIBE(void *srv, int len, void *arg)
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Line 293 cmdSUBSCRIBE(void *srv, int len, void *arg)
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struct tagStore *store; |
struct tagStore *store; |
char buf[BUFSIZ]; |
char buf[BUFSIZ]; |
void *ptr; |
void *ptr; |
struct tagPkt *p = NULL; | ait_val_t *p = NULL; |
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ioTRACE(2); |
ioTRACE(2); |
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Line 237 cmdSUBSCRIBE(void *srv, int len, void *arg)
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Line 309 cmdSUBSCRIBE(void *srv, int len, void *arg)
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/* add to db */ |
/* add to db */ |
for (i = 0; i < siz; i++) { |
for (i = 0; i < siz; i++) { |
/* convert topic to sql search statement */ | store = io_malloc(sizeof(struct tagStore)); |
if (mqtt_sqlTopic(subs[i].sub_topic.msg_base, buf, sizeof buf) == -1) { | if (!store) { |
ioDEBUG(5, "Error:: in db #%d - %s", mqtt_GetErrno(), mqtt_GetError()); | ioSYSERR(0); |
goto end; | continue; |
| } else { |
| store->st_msgid = mid; |
| mqtt_subCopy(&store->st_subscr, &subs[i]); |
| subs[i].sub_ret = MQTT_QOS_DENY; |
} |
} |
if (call.WritePUB_subscribe(&cfg, pub, sess->sess_cid, mid, buf, | |
sess->sess_user, sess->sess_addr, subs[i].sub_ret) > 0) { | /* add to cache */ |
store = io_malloc(sizeof(struct tagStore)); | SLIST_INSERT_HEAD(&sess->sess_subscr, store, st_node); |
if (!store) { | |
| /* convert topic to regexp */ |
| if (mqtt_expandTopic(subs[i].sub_topic.msg_base, buf, sizeof buf, 1, 1) == -1) { |
| ioDEBUG(5, "Error:: in regexp #%d - %s", mqtt_GetErrno(), mqtt_GetError()); |
| } else { |
| ptr = realloc(store->st_subscr.sub_topic.msg_base, strlen(buf) + 1); |
| if (!ptr) { |
ioSYSERR(0); |
ioSYSERR(0); |
goto end; | continue; |
} else { |
} else { |
store->st_msgid = mid; | store->st_subscr.sub_topic.msg_base = ptr; |
mqtt_subCopy(&store->st_subscr, &subs[i]); | store->st_subscr.sub_topic.msg_len = strlen(buf) + 1; |
| memcpy(store->st_subscr.sub_topic.msg_base, buf, |
| store->st_subscr.sub_topic.msg_len); |
} |
} |
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/* add to cache */ | /* store to db */ |
SLIST_INSERT_HEAD(&sess->sess_subscr, store, st_node); | call.WritePUB_subscribe(&cfg, pub, sess->sess_cid, mid, buf, |
| sess->sess_user, sess->sess_addr, store->st_subscr.sub_ret); |
| /* subscribe pass */ |
| subs[i].sub_ret = MQTT_QOS_PASS; |
|
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/* convert topic to regexp */ | call.LOG(logg, "Added [%s] SUBSCRIBE '%s'(%d) QoS=%d from %s\n", sess->sess_cid, |
if (mqtt_expandTopic(subs[i].sub_topic.msg_base, buf, sizeof buf, 1, 1) == -1) { | store->st_subscr.sub_topic.msg_base, |
ioDEBUG(5, "Error:: in regexp #%d - %s", mqtt_GetErrno(), mqtt_GetError()); | store->st_subscr.sub_topic.msg_len, |
| store->st_subscr.sub_ret, sess->sess_addr); |
subs[i].sub_ret = MQTT_QOS_DENY; | } |
} else { | |
ptr = realloc(store->st_subscr.sub_topic.msg_base, strlen(buf) + 1); | |
if (!ptr) { | |
ioSYSERR(0); | |
| |
subs[i].sub_ret = MQTT_QOS_DENY; | |
} else { | |
store->st_subscr.sub_topic.msg_base = ptr; | |
store->st_subscr.sub_topic.msg_len = strlen(buf) + 1; | |
memcpy(store->st_subscr.sub_topic.msg_base, buf, | |
store->st_subscr.sub_topic.msg_len); | |
} | |
| |
call.LOG(logg, "Added [%s] SUBSCRIBE '%s'(%d) from %s\n", sess->sess_cid, | |
store->st_subscr.sub_topic.msg_base, | |
store->st_subscr.sub_topic.msg_len, sess->sess_addr); | |
| |
subs[i].sub_ret = MQTT_QOS_PASS; | |
} | |
} else | |
subs[i].sub_ret = MQTT_QOS_DENY; | |
} |
} |
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/* send acknowledge */ |
/* send acknowledge */ |
Line 309 cmdUNSUBSCRIBE(void *srv, int len, void *arg)
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Line 375 cmdUNSUBSCRIBE(void *srv, int len, void *arg)
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u_short mid = 0; |
u_short mid = 0; |
register int i; |
register int i; |
struct tagStore *store, *tmp; |
struct tagStore *store, *tmp; |
struct tagPkt *p = NULL; | ait_val_t *p = NULL; |
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ioTRACE(2); |
ioTRACE(2); |
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Line 365 cmdPINGREQ(void *srv, int len, void *arg)
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Line 431 cmdPINGREQ(void *srv, int len, void *arg)
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{ |
{ |
struct tagSession *sess = (struct tagSession*) arg; |
struct tagSession *sess = (struct tagSession*) arg; |
int siz = 0; |
int siz = 0; |
struct tagPkt *p = NULL; | ait_val_t *p = NULL; |
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ioTRACE(2); |
ioTRACE(2); |
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Line 390 int
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Line 456 int
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cmdCONNECT(void *srv, int len, void *arg) |
cmdCONNECT(void *srv, int len, void *arg) |
{ |
{ |
struct tagStore *store; |
struct tagStore *store; |
struct tagPkt *p; |
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struct tagSession *sess = (struct tagSession*) arg; |
struct tagSession *sess = (struct tagSession*) arg; |
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ioTRACE(2); |
ioTRACE(2); |
Line 401 cmdCONNECT(void *srv, int len, void *arg)
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Line 466 cmdCONNECT(void *srv, int len, void *arg)
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ioDEBUG(5, "Exec CONNECT session"); |
ioDEBUG(5, "Exec CONNECT session"); |
TAILQ_REMOVE(&Sessions, sess, sess_node); |
TAILQ_REMOVE(&Sessions, sess, sess_node); |
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schedCancelby(root, taskTIMER, CRITERIA_CALL, sendRetain, NULL); |
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if (sess->sess_clean) { |
if (sess->sess_clean) { |
if (call.FiniSessPUB) |
if (call.FiniSessPUB) |
call.FiniSessPUB(&cfg, pub, sess->sess_cid, sess->sess_user, "%"); |
call.FiniSessPUB(&cfg, pub, sess->sess_cid, sess->sess_user, "%"); |
Line 421 cmdCONNECT(void *srv, int len, void *arg)
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Line 488 cmdCONNECT(void *srv, int len, void *arg)
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io_free(store); |
io_free(store); |
} |
} |
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while ((p = SLIST_FIRST(&sess->sess_sndpkt))) { | if (sess->sess_will.flag) |
SLIST_REMOVE_HEAD(&sess->sess_sndpkt, pkt_node); | pubWill(sess); |
| |
io_freeVar(&p->pkt_data); | |
io_free(p); | |
} | |
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if (sess->sess_will.msg) |
if (sess->sess_will.msg) |
free(sess->sess_will.msg); |
free(sess->sess_will.msg); |