|
|
| version 1.1.1.1.2.11, 2012/04/27 16:17:11 | version 1.1.1.1.2.14, 2012/05/05 13:10:24 |
|---|---|
| Line 411 mqtt_subCopy(mqtt_subscr_t * __restrict dst, mqtt_subs | Line 411 mqtt_subCopy(mqtt_subscr_t * __restrict dst, mqtt_subs |
| memcpy(dst->sub_topic.msg_base, src->sub_topic.msg_base, | memcpy(dst->sub_topic.msg_base, src->sub_topic.msg_base, |
| dst->sub_topic.msg_len); | dst->sub_topic.msg_len); |
| } | } |
| } else { | |
| /* | |
| if (dst->sub_topic.msg_base) | |
| free(dst->sub_topic.msg_base); | |
| */ | |
| dst->sub_topic.msg_base = NULL; | |
| dst->sub_topic.msg_len = 0; | |
| } | } |
| if (src->sub_value.msg_base) { | if (src->sub_value.msg_base) { |
| dst->sub_value.msg_base = malloc(src->sub_value.msg_len + 1); | dst->sub_value.msg_base = malloc(src->sub_value.msg_len + 1); |
| Line 426 mqtt_subCopy(mqtt_subscr_t * __restrict dst, mqtt_subs | Line 433 mqtt_subCopy(mqtt_subscr_t * __restrict dst, mqtt_subs |
| memcpy(dst->sub_value.msg_base, src->sub_value.msg_base, | memcpy(dst->sub_value.msg_base, src->sub_value.msg_base, |
| dst->sub_value.msg_len); | dst->sub_value.msg_len); |
| } | } |
| } else { | |
| /* | |
| if (dst->sub_value.msg_base) | |
| free(dst->sub_value.msg_base); | |
| */ | |
| dst->sub_value.msg_base = NULL; | |
| dst->sub_value.msg_len = 0; | |
| } | } |
| dst->sub_ret = src->sub_ret; | dst->sub_ret = src->sub_ret; |
| Line 590 mqtt_sqlTopic(const char *csInput, char * __restrict p | Line 604 mqtt_sqlTopic(const char *csInput, char * __restrict p |
| *s = *pos; | *s = *pos; |
| } | } |
| return ret; | |
| } | |
| /* | |
| * mqtt_KeepAlive() - Keep Alive check routine | |
| * | |
| * @sock = connected socket | |
| * @ka = keep alive timeout | |
| * @tries = tries for receive correct ping response, usually ==1 | |
| * return: -1 error, 0 host is alive, 1 timeout session or 2 broken session | |
| */ | |
| int | |
| mqtt_KeepAlive(int sock, u_short ka, u_char tries) | |
| { | |
| int ret = 0; | |
| struct pollfd pfd; | |
| mqtt_msg_t msg = { NULL, 0 }; | |
| if (sock < 3) | |
| return -1; /* error */ | |
| pfd.fd = sock; | |
| pfd.events = POLLOUT; | |
| if ((ret = poll(&pfd, 1, ka * 1000)) == -1 || | |
| pfd.revents & (POLLERR | POLLHUP | POLLNVAL)) { | |
| LOGERR; | |
| return -1; /* error */ | |
| } else if (!ret) | |
| return 1; /* session is abandoned ... must be disconnect! */ | |
| /* ping request */ | |
| if ((ret = mqtt_msgPINGREQ(&msg)) == -1) | |
| return -1; /* error */ | |
| if ((ret = send(sock, msg.msg_base, ret, MSG_NOSIGNAL)) == -1) { | |
| LOGERR; | |
| goto end; | |
| } | |
| pfd.events = POLLIN | POLLPRI; | |
| while (tries--) { | |
| if ((ret = poll(&pfd, 1, ka * 1000)) == -1 || | |
| pfd.revents & (POLLERR | POLLHUP | POLLNVAL)) { | |
| LOGERR; | |
| break; | |
| } else if (!ret) { | |
| ret = 1; /* session is abandoned ... must be disconnect! */ | |
| continue; | |
| } | |
| /* receive & decode packet */ | |
| if ((ret = recv(sock, msg.msg_base, msg.msg_len, 0)) == -1) { | |
| LOGERR; | |
| break; | |
| } | |
| if (!mqtt_readPINGRESP(&msg)) { | |
| ret = 0; /* Host is alive */ | |
| break; | |
| } else | |
| ret = 2; /* Session is broken ... must be disconnect! */ | |
| } | |
| end: | |
| free(msg.msg_base); | |
| return ret; | return ret; |
| } | } |