refine mqtt client codes.
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fcdd364921
commit
82d74b6f08
@ -19,6 +19,7 @@
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#include "utility/secure.hpp"
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extern zlog_category_t *zct;
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extern zlog_category_t *zbt;
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static char res_topic[100];
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static char req_topic[100];
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@ -42,7 +43,7 @@ void register_collback(connect_callback connect_c, message_callback message_c, s
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}
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int data_publish(const char *str, const char *topic) {
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int iRet = -1;
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int ret = -1;
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if (mosq != NULL) {
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std::string strTopic = std::string(topic);
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if (strTopic.find("cmd") != std::string::npos || strTopic.find("configureInfo") != std::string::npos) {
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@ -50,37 +51,52 @@ int data_publish(const char *str, const char *topic) {
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char *base64_aes = new char[pData.length() * 2];
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memset(base64_aes, 0, pData.length() * 2);
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secure::instance().Base64Encode((unsigned char *)pData.c_str(), base64_aes, pData.length());
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iRet = mosquitto_publish(mosq, &mid_sent, topic, strlen(base64_aes), base64_aes, ud.topic_qos, false);
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ret = mosquitto_publish(mosq, &mid_sent, topic, strlen(base64_aes), base64_aes, ud.topic_qos, false);
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if (base64_aes != NULL) delete[] base64_aes;
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if (ret != MOSQ_ERR_SUCCESS) {
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zlog_error(zct, "fail to send mqtt msg, ret: [%s], topic: %s, str: %s", mosquitto_strerror(ret), topic, str);
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}
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} else {
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iRet = mosquitto_publish(mosq, &mid_sent, topic, strlen(str), str, ud.topic_qos, false);
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ret = mosquitto_publish(mosq, &mid_sent, topic, strlen(str), str, ud.topic_qos, false);
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if (ret != MOSQ_ERR_SUCCESS) {
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zlog_error(zct, "fail to send mqtt msg, ret: [%s], topic: %s, str: %s", mosquitto_strerror(ret), topic, str);
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}
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}
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if (iRet != 0) {
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}
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if (ret != 0) {
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disconnect();
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}
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return iRet;
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return ret;
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}
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int data_publish_wave(WAVE_CONTAIN *str, const char *topic) {
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int iRet = -1;
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int ret = -1;
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if (mosq != NULL) {
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zlog_info(zct, "data_publish:Unit : %s type:%d flag : %d channelid : %s total : %d count : %d number :%d floats:%f floate:%f\n", str->SensorEngineeringUnit, str->type, str->flag, str->channelId, str->total, str->count, str->number, str->waveData[0],
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str->waveData[(str->number - 2)]);
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iRet = mosquitto_publish(mosq, &mid_sent, topic, sizeof(WAVE_CONTAIN), str, ud.topic_qos, false);
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ret = mosquitto_publish(mosq, &mid_sent, topic, sizeof(WAVE_CONTAIN), str, ud.topic_qos, false);
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if (ret != MOSQ_ERR_SUCCESS) {
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zlog_error(zct, "fail to send mqtt msg, ret: [%s], topic: %s, str: %s", mosquitto_strerror(ret), topic, str);
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}
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return iRet;
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}
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return ret;
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}
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int subscribe(const char *topic, int qos) {
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int iret = mosquitto_subscribe(mosq, NULL, topic, qos);
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return iret;
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int ret = mosquitto_subscribe(mosq, NULL, topic, qos);
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if (ret != MOSQ_ERR_SUCCESS) {
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zlog_error(zct, "fail to subscribe, ret: [%s], topic: %s", mosquitto_strerror(ret), topic);
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}
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return ret;
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}
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int unsubscribe(const char *topic) {
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int iret = mosquitto_unsubscribe(mosq, NULL, topic);
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return iret;
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int ret = mosquitto_unsubscribe(mosq, NULL, topic);
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if (ret != MOSQ_ERR_SUCCESS) {
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zlog_error(zct, "fail to unsubscribe, ret: [%s], topic: %s", mosquitto_strerror(ret), topic);
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}
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return ret;
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}
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int disconnect() { return mosquitto_disconnect(mosq); }
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@ -94,7 +110,6 @@ int start_client(const char *boardname, const char *gwid, const char *gwip, cons
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char *bind_address = NULL;
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int keepalive = 60;
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bool clean_session = true;
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bool debug = true;
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int rc = 0;
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char hostname[256];
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int len;
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@ -105,7 +120,6 @@ int start_client(const char *boardname, const char *gwid, const char *gwip, cons
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char *will_topic = NULL;
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char *psk = NULL;
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char *psk_identity = NULL;
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bool use_srv = false;
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mqttsdata_t mqttsdata;
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signal(SIGCHLD, SIG_IGN); // signal函数作用：为一个信号注册一个信号处理函数。其中SIGCHLD：在一个进程终止或者停止时，将SIGCHLD信号发送给父进程。而信号处理函数是一个函数指针，不过它使用的是预定义函数SIG_IGN(忽视信号)
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signal(SIGPIPE, SIG_IGN);
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@ -115,7 +129,6 @@ int start_client(const char *boardname, const char *gwid, const char *gwip, cons
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}
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int qos = readIntValue("config", "qos", (char *)GlobalConfig::Config_G.c_str());
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mosquitto_lib_init(); //使用mosquitto库函数前需进行初始化
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memset(&mqttsdata, 0, sizeof(mqttsdata_t));
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memcpy(mqttsdata.gwid, gwid, strlen(gwid));
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@ -142,11 +155,13 @@ int start_client(const char *boardname, const char *gwid, const char *gwip, cons
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}
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char userName[100];
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memset(userName, 0, 100);
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sprintf(userName, "%s", username.c_str());
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char passWord[100];
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memset(passWord, 0, 100);
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sprintf(passWord, "%s", password.c_str());
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zlog_info(zct,"userName = %s , passWord = %s", userName, passWord);
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zlog_info(zbt, "userName = %s , passWord = %s", userName, passWord);
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ud.username = userName;
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ud.password = passWord;
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@ -158,6 +173,7 @@ int start_client(const char *boardname, const char *gwid, const char *gwip, cons
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ud.topic_count++;
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ud.topics = (char **)realloc(ud.topics, ud.topic_count * sizeof(char *));
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if (ud.topics == NULL) {
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zlog_error(zbt, "fail to realloc for ud.topics");
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return 1;
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}
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@ -174,77 +190,28 @@ int start_client(const char *boardname, const char *gwid, const char *gwip, cons
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sprintf(will_payload, "{\"cmd\":\"15\",\"gwID\":\"%s\"}", mqttsdata.gwid);
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will_payloadlen = strlen(will_payload);
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zlog_info(zct, "will_payload:%s,will_payloadlen:%ld", will_payload, will_payloadlen);
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if (clean_session == false && (id_prefix || !id)) {
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if (!ud.quiet) zlog_error(zct, "Error: You must provide a client id if you are using the -c option.");
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return 1;
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}
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if (ud.topic_count == 0) {
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zlog_error(zct, "Error: You must specify a topic to subscribe to.");
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return 1;
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}
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if (!will_topic) {
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zlog_error(zct, "Error: Will payload given, but no will topic given.");
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return 1;
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}
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if (will_retain && !will_topic) {
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zlog_error(zct, "Error: Will retain given, but no will topic given.");
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return 1;
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}
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if (ud.password && !ud.username) {
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if (!ud.quiet) zlog_error(zct, "Warning: Not using password since username not set.");
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}
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if (psk && !psk_identity) {
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if (!ud.quiet) zlog_error(zct, "Error: --psk-identity required if --psk used.");
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return 1;
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}
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if (id_prefix) {
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id = (char *)malloc(strlen(id_prefix) + 10);
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if (!id) {
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if (!ud.quiet) zlog_error(zct, "Error: Out of memory.");
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mosquitto_lib_cleanup();
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return 1;
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}
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snprintf(id, strlen(id_prefix) + 10, "%s%d", id_prefix, getpid());
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} else if (!id) {
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hostname[0] = '\0';
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gethostname(hostname, 256);
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hostname[255] = '\0';
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len = strlen("mosqsub/-") + 6 + strlen(hostname);
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id = (char *)malloc(len);
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if (!id) {
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if (!ud.quiet) zlog_error(zct, "Error: Out of memory.\n");
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mosquitto_lib_init();
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mosq = mosquitto_new(NULL, true, &ud);
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if (!mosq) {
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zlog_error(zct, "fail to mosquitto_new, errno:%d", errno);
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free(ud.topics);
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mosquitto_lib_cleanup();
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return 1;
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}
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snprintf(id, len, "mosqsub/%s-%s", GlobalConfig::ZigbeeInfo_G.PanID.c_str(), hostname);
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if (strlen(id) > MOSQ_MQTT_ID_MAX_LENGTH) {
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/* Enforce maximum client id length of 23 characters */
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id[MOSQ_MQTT_ID_MAX_LENGTH] = '\0';
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}
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}
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zlog_info(zct, "id:%s", id);
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mosq = mosquitto_new(id, clean_session, &ud);
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if (!mosq) {
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switch (errno) {
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case ENOMEM:
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if (!ud.quiet) zlog_error(zct, "Error: Out of memory.");
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break;
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case EINVAL:
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if (!ud.quiet) zlog_error(zct, "Error: Invalid id and/or clean_session .");
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break;
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}
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mosquitto_lib_cleanup();
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return 1;
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}
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if (debug) {
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mosquitto_log_callback_set(mosq, my_log_callback);
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}
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if (!psk) {
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psk = (char *)malloc(32 * sizeof(char));
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if (!psk) {
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free(ud.topics);
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mosquitto_destroy(mosq);
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mosquitto_lib_cleanup();
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zlog_error(zct, "Error: No free space 1");
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return -1;
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}
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@ -252,68 +219,55 @@ int start_client(const char *boardname, const char *gwid, const char *gwip, cons
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snprintf(psk, 32, "%d", getpid());
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psk_identity = (char *)malloc(32 * sizeof(char));
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if (!psk_identity) {
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free(ud.topics);
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mosquitto_destroy(mosq);
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mosquitto_lib_cleanup();
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zlog_error(zct, "Error: No free space 2");
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free(psk);
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return -1;
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}
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strncpy(psk_identity, psk, 32);
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}
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if (will_topic && mosquitto_will_set(mosq, will_topic, will_payloadlen, will_payload, will_qos, will_retain)) {
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if (!ud.quiet) zlog_error(zct, "Error: Problem setting will.");
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mosquitto_lib_cleanup();
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free(psk);
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free(psk_identity);
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return 1;
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if (mosquitto_will_set(mosq, will_topic, will_payloadlen, will_payload, will_qos, will_retain)) {
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zlog_error(zct, "Error: Problem setting will.");
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goto mosq_free;
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}
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if (ud.username && mosquitto_username_pw_set(mosq, ud.username, ud.password)) {
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if (!ud.quiet) zlog_error(zct, "Error: Problem setting username and password.");
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mosquitto_lib_cleanup();
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free(psk);
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free(psk_identity);
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return 1;
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zlog_error(zct, "Error: Problem setting username and password.");
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goto mosq_free;
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}
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mosquitto_connect_callback_set(mosq, my_connect_callback);
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mosquitto_disconnect_callback_set(mosq, my_disconnect_callback);
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mosquitto_message_callback_set(mosq, my_message_callback);
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mosquitto_publish_callback_set(mosq, my_publish_callback);
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if (debug) {
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mosquitto_subscribe_callback_set(mosq, my_subscribe_callback);
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}
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if (use_srv) {
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rc = mosquitto_connect_srv(mosq, host, keepalive, bind_address);
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} else {
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rc = mosquitto_connect_bind(mosq, host, port, keepalive, bind_address);
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}
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zlog_info(zct, "host = %s port = %d rc = %d", host, port, rc);
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if (rc) {
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if (!ud.quiet) {
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if (rc == MOSQ_ERR_ERRNO) {
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} else {
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zlog_error(zct, "Unable to connect (%d).", rc);
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}
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}
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goto mosq_free;
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}
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rc = mosquitto_loop_forever(mosq, -1, 1);
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if (rc) {
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zlog_error(zct, "Error: %s", mosquitto_strerror(rc));
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}
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mosq_free:
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mosquitto_destroy(mosq);
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mosquitto_lib_cleanup();
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if (ud.topics != NULL) {
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free(ud.topics);
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free(id);
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}
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if (psk) {
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free(psk);
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}
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if (psk_identity) {
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free(psk_identity);
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ud.topics = NULL;
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id = NULL;
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mosq = NULL;
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}
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sleep(1);
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return 0;
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}
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@ -447,8 +447,9 @@ void StartMqttClient() {
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std::string salt;
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register_collback(my_connect_callback, my_message_callback, my_subscribe_callback, my_log_callback, my_disconnect_callback, my_publish_callback);
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start_client(strEqupNo.c_str(), GlobalConfig::MacAddr_G.c_str(), GlobalConfig::ServerIP.c_str(), strVersion.c_str(), "11111111", salt);
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zlog_error(zct, "fail to connect server");
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}
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sleep(3);
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sleep(10);
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}
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}
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