375 lines
12 KiB
C++
375 lines
12 KiB
C++
#include <signal.h>
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#include <stdio.h>
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#include <assert.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <string.h>
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#include <malloc.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <memory.h>
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#include <errno.h>
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#include <json/json.h>
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#include <sys/types.h>
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#include "SH_MqttClient.h"
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#include "../common/SH_global.h"
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#include "../secure/SH_Secure.hpp"
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static char res_topic[100];
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static char req_topic[100];
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struct mosquitto *mosq = NULL;
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static int mid_sent = 0;
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struct userdata ud;
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connect_callback my_connect_callback = NULL;
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disconnect_callback my_disconnect_callback = NULL;
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message_callback my_message_callback = NULL;
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subscribe_callback my_subscribe_callback = NULL;
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log_callback my_log_callback = NULL;
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publish_callback my_publish_callback = NULL;
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void register_collback(connect_callback connect_c,
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message_callback message_c,
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subscribe_callback subscribe_c,
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log_callback log_c,
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disconnect_callback disconnect_c,
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publish_callback publish_c)
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{
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my_connect_callback = connect_c;
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my_message_callback = message_c;
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my_subscribe_callback = subscribe_c;
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my_log_callback = log_c;
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my_disconnect_callback = disconnect_c;
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my_publish_callback = publish_c;
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}
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int data_publish(const char *str, const char *topic)
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{
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int iRet = -1;
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if(mosq != NULL){
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//print_blue("data_publish: %s %s\n", str, topic);
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std::string strTopic = std::string(topic);
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if (strTopic.find("cmd") != std::string::npos || \
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strTopic.find("configureInfo") != std::string::npos ) {
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std::string pData = (std::string)str;
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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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//char *base64_data = new char[pData.length() * 2];
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//memset(base64_data, 0, pData.length() *2);
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//Secure::instance()->Base64Decode(base64_aes, (unsigned char*)base64_data);
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//std::string pData = std::string(base64_data);
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if(base64_aes != NULL)
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delete[] base64_aes;
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// free(out);
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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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}
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}
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if(iRet != 0)
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{
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disconnect();
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}
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return iRet;
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}
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int data_publish_wave(WAVE_CONTAIN *str, const char *topic)
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{
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int iRet = -1;
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if(mosq != NULL){
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print_blue("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],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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}
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return iRet;
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}
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int subscribe(const char* topic, int qos)
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{
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int iret = mosquitto_subscribe(mosq, NULL, topic, qos);
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return iret;
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}
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int unsubscribe(const char* topic)
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{
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int iret = mosquitto_unsubscribe(mosq, NULL, topic);
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return iret;
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}
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int disconnect()
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{
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return mosquitto_disconnect(mosq);
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}
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int reconnect()
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{
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return mosquitto_reconnect(mosq);
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}
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int start_client(const char *boardname, const char *gwid, const char* gwip, const char *gwver, const char *gwcode, std::string &salt)
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{
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char *id = NULL;
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char *id_prefix = NULL;
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char *host;
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int port = 51613;
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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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char err[1024];
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int len;
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char will_payload[100];
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long will_payloadlen = 0;
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int will_qos = 0;
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bool will_retain = false;
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char *will_topic = NULL;
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bool insecure = false;
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char *tls_version = NULL;
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char *psk = NULL;
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char *psk_identity = NULL;
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char *ciphers = 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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int reconnect = 0;
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if (my_connect_callback == NULL || my_message_callback == NULL || my_subscribe_callback == NULL || my_log_callback == NULL) {
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print_info("please call the register_collback function first.\n");
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return -1;
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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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// mqttsdata.username = "admin";
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// mqttsdata.password = "password";
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salt = std::string(mqttsdata.salt);
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memset(&ud, 0, sizeof(struct userdata));
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ud.eol = true;
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char localip[100];
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sprintf(localip, "%s", gwip);
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host = localip;
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mqttsdata.port = GlobalConfig::ServerPort;
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port = GlobalConfig::ServerPort;
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#ifdef WIFI_MODULE
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mqttsdata.qos = 0;
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#else
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mqttsdata.qos = qos;
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#endif
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print_info("mqttsdata.qos = %d\n",mqttsdata.qos);
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// std::string username = "root";
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// std::string password = "xom!*283#@XHG";
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std::string username = ReadStrByOpt(SERVERCONFIG, "Server", "UserName");
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std::string password = ReadStrByOpt(SERVERCONFIG, "Server", "Password");
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if(username == "" || password == ""){
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username = "chaos";
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password = "HSD272*#xkd";
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}
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char userName[100];
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sprintf(userName, "%s", username.c_str());
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char passWord[100];
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sprintf(passWord, "%s", password.c_str());
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print_info("userName = %s , passWord = %s\n",userName,passWord);
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ud.username = userName;
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ud.password = passWord;
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ud.gwid = mqttsdata.gwid;
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ud.dataUrl = mqttsdata.dataUrl;
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ud.fsUrl = mqttsdata.fsUrl;
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will_qos = mqttsdata.qos;
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ud.topic_qos = will_qos;
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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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return 1;
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}
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memset(req_topic, 0, 100);
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sprintf(req_topic, "dev/cidwcc");
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ud.topics[ud.topic_count - 1] = req_topic;
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ud.verbose = 1;
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//fprintf(stderr, "topic = %s!!!!!!!!!!!\n", ud.topics[ud.topic_count - 1]);
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memset(res_topic, 0, 100);
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sprintf(res_topic, "gw/will");
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print_info("res_topic:%s\n", res_topic);
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will_topic = res_topic;
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ud.resp_topic = res_topic;
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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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print_info("will_payload:%s,will_payloadlen:%ld\n", will_payload, will_payloadlen);
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if (clean_session == false && (id_prefix || !id)){
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if (!ud.quiet) fprintf(stderr, "Error: You must provide a client id if you are using the -c option.\n");
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return 1;
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}
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if (ud.topic_count == 0){
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fprintf(stderr, "Error: You must specify a topic to subscribe to.\n");
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return 1;
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}
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if (will_payload && !will_topic){
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fprintf(stderr, "Error: Will payload given, but no will topic given.\n");
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return 1;
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}
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if (will_retain && !will_topic){
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fprintf(stderr, "Error: Will retain given, but no will topic given.\n");
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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) fprintf(stderr, "Warning: Not using password since username not set.\n");
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}
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if (psk && !psk_identity){
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if (!ud.quiet) fprintf(stderr, "Error: --psk-identity required if --psk used.\n");
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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) fprintf(stderr, "Error: Out of memory.\n");
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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) fprintf(stderr, "Error: Out of memory.\n");
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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/%d-%s", getpid(), 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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print_info("id:%s\n", 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) fprintf(stderr, "Error: Out of memory.\n");
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break;
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case EINVAL:
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if (!ud.quiet) fprintf(stderr, "Error: Invalid id and/or clean_session .\n");
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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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fprintf(stderr, "Error: No free space %d\n", __LINE__);
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return -1;
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}
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memset(psk, 0, 32);
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snprintf(psk, 32, "%ld", getpid());
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psk_identity = (char *)malloc(32 * sizeof(char));
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if (!psk_identity) {
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fprintf(stderr, "Error: No free space %d\n", __LINE__);
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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) fprintf(stderr, "Error: Problem setting will.\n");
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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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}
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if (ud.username && mosquitto_username_pw_set(mosq, ud.username, ud.password)) {
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if (!ud.quiet) fprintf(stderr, "Error: Problem setting username and password.\n");
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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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}
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// if (insecure && mosquitto_tls_insecure_set(mosq, false)){
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// if (!ud.quiet) fprintf(stderr, "Error: Problem setting TLS insecure option.\n");
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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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// }
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// if (psk && mosquitto_tls_psk_set(mosq, psk, psk_identity, NULL)){
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// if (!ud.quiet) fprintf(stderr, "Error: Problem setting TLS-PSK options.\n");
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// mosquitto_lib_cleanup();
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// return 1;
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// }
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// if (tls_version && mosquitto_tls_opts_set(mosq, 0, tls_version, ciphers)){
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// if (!ud.quiet) fprintf(stderr, "Error: Problem setting TLS options.\n");
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// mosquitto_lib_cleanup();
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// return 1;
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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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}
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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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print_info("host = %s port = %d rc = %d\n",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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//strerror_r(errno, err, 1024);
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//fprintf(stderr, "Error_: %s\n", err);
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//print_info("%s",stderr);
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}
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else{
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fprintf(stderr, "Unable to connect (%d).\n", rc);
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print_info("%s",stderr);
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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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{
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fprintf(stderr, "Error: %s\n", mosquitto_strerror(rc));
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print_info("%s",stderr);
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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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free(ud.topics);
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free(id);
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free(psk);
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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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sleep(1);
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}
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