705 lines
20 KiB
C
705 lines
20 KiB
C
/****************************************************************************
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* This file is part of the project AqHome.
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* AqHome (c) by 2023 Martin Preuss, all rights reserved.
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*
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* The license for this file can be found in the file COPYING which you
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* should have received along with this file.
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****************************************************************************/
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include <aqhome/api.h>
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#include <aqhome/aqhome.h>
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#include <aqhome/msgmanager.h>
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#include <aqhome/msg/endpoint_log.h>
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#include <aqhome/msg/endpoint_write.h>
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#include <aqhome/msg/endpoint_tty.h>
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#include <aqhome/ipc/endpoint_node_ipc_tcpd.h>
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#include <aqhome/mqtt/endpoint_mqttc.h>
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#include <aqhome/msg/msg_node.h>
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#include <gwenhywfar/gwenhywfar.h>
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#include <gwenhywfar/args.h>
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#include <gwenhywfar/logger.h>
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#include <gwenhywfar/db.h>
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#include <gwenhywfar/debug.h>
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#include <gwenhywfar/cgui.h>
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#ifdef HAVE_SIGNAL_H
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# include <signal.h>
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#endif
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#ifdef HAVE_SYS_TYPES_H
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# include <sys/types.h>
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#endif
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#ifdef HAVE_SYS_STAT_H
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# include <sys/stat.h>
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#endif
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#include <unistd.h>
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#include <stdio.h>
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#include <fcntl.h>
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#include <errno.h>
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#include <string.h>
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#include <time.h>
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#define I18N(msg) msg
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#define I18S(msg) msg
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static int _serve(GWEN_DB_NODE *dbArgs);
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static GWEN_MSG_ENDPOINT_MGR *_setupService(GWEN_DB_NODE *dbArgs);
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static int _setupTty(GWEN_MSG_ENDPOINT_MGR *emgr, GWEN_DB_NODE *dbArgs);
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static int _setupLog(GWEN_MSG_ENDPOINT_MGR *emgr, GWEN_DB_NODE *dbArgs);
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static int _setupWriter(GWEN_MSG_ENDPOINT_MGR *emgr, GWEN_DB_NODE *dbArgs);
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static int _setupIpc(GWEN_MSG_ENDPOINT_MGR *emgr, GWEN_DB_NODE *dbArgs);
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static int _setupMqtt(GWEN_MSG_ENDPOINT_MGR *emgr, GWEN_DB_NODE *dbArgs);
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static int _readArgs(int argc, char **argv, GWEN_DB_NODE *dbArgs);
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static int _createPidFile(const char *pidFilename);
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#ifdef HAVE_SIGNAL_H
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static int _setSignalHandlers(void);
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static int _setupSigAction(struct sigaction *sa, int sig);
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static void _signalHandler(int s);
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static struct sigaction saINT,saTERM, saHUP, saTSTP, saCONT;
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#endif
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static int stopService=0;
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int main(int argc, char **argv)
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{
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GWEN_DB_NODE *dbArgs;
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int rv;
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GWEN_GUI *gui;
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const char *s;
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rv=GWEN_Init();
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if (rv) {
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fprintf(stderr, "ERROR: Unable to init Gwen.\n");
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return 2;
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}
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GWEN_Logger_Open(0, "aqhomed", 0, GWEN_LoggerType_Console, GWEN_LoggerFacility_User);
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GWEN_Logger_SetLevel(0, GWEN_LoggerLevel_Warning);
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GWEN_Logger_SetLevel(0, GWEN_LoggerLevel_Info);
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rv=AQH_Init();
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if (rv<0) {
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DBG_INFO(NULL, "here (%d)", rv);
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return 2;
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}
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dbArgs=GWEN_DB_Group_new("arguments");
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rv=_readArgs(argc, argv, dbArgs);
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if (rv<0) {
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DBG_INFO(NULL, "here (%d)", rv);
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return 2;
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}
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else if (rv==1) {
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DBG_INFO(NULL, "Help printed, done");
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return 0;
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}
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gui=GWEN_Gui_CGui_new();
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s=GWEN_DB_GetCharValue(dbArgs, "charset", 0, NULL);
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if (s && *s)
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GWEN_Gui_SetCharSet(gui, s);
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GWEN_Gui_SetGui(gui);
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rv=_serve(dbArgs);
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if (rv<0) {
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DBG_INFO(NULL, "here (%d)", rv);
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return 2;
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}
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GWEN_DB_Group_free(dbArgs);
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GWEN_Gui_SetGui(NULL);
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GWEN_Gui_free(gui);
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return 0;
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}
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int _serve(GWEN_DB_NODE *dbArgs)
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{
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const char *pidFile;
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GWEN_MSG_ENDPOINT_MGR *emgr;
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int rv;
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int timeout;
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time_t startTime;
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startTime=time(NULL);
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rv=_setSignalHandlers();
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if (rv<0) {
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DBG_INFO(NULL, "here (%d)", rv);
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return rv;
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}
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timeout=GWEN_DB_GetIntValue(dbArgs, "timeout", 0, 0);
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pidFile=GWEN_DB_GetCharValue(dbArgs, "pidfile", 0, "aqhomed.pid");
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if (pidFile && *pidFile) {
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rv=_createPidFile(pidFile);
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if (rv<0) {
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DBG_INFO(NULL, "here (%d)", rv);
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return rv;
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}
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}
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emgr=_setupService(dbArgs);
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if (emgr==NULL) {
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DBG_INFO(NULL, "Error setting up service");
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return GWEN_ERROR_GENERIC;
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}
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while(!stopService) {
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DBG_DEBUG(NULL, "Next loop");
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AQH_MsgManager_LoopOnce(emgr);
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if (timeout) {
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time_t now;
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now=time(NULL);
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if ((now-startTime)>timeout) {
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DBG_INFO(NULL, "Timeout, stopping service");
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break;
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}
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}
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}
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if (pidFile && *pidFile)
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remove(pidFile);
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GWEN_MsgEndpointMgr_free(emgr);
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return 0;
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}
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GWEN_MSG_ENDPOINT_MGR *_setupService(GWEN_DB_NODE *dbArgs)
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{
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GWEN_MSG_ENDPOINT_MGR *emgr;
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int nodeAddress;
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const char *dbfile;
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int rv;
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nodeAddress=GWEN_DB_GetIntValue(dbArgs, "nodeAddress", 0, 240);
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dbfile=GWEN_DB_GetCharValue(dbArgs, "dbfile", 0, "aqhome.db");
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emgr=AQH_MsgManager_new(nodeAddress & 0xff);
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if (dbfile && *dbfile)
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AQH_MsgManager_SetDbFilename(emgr, dbfile);
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rv=_setupTty(emgr, dbArgs);
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if (rv<0) {
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DBG_INFO(NULL, "here (%d)", rv);
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GWEN_MsgEndpointMgr_free(emgr);
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return NULL;
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}
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rv=_setupLog(emgr, dbArgs);
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if (rv<0) {
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DBG_INFO(NULL, "here (%d)", rv);
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GWEN_MsgEndpointMgr_free(emgr);
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return NULL;
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}
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rv=_setupWriter(emgr, dbArgs);
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if (rv<0) {
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DBG_INFO(NULL, "here (%d)", rv);
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GWEN_MsgEndpointMgr_free(emgr);
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return NULL;
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}
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rv=_setupIpc(emgr, dbArgs);
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if (rv<0) {
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DBG_INFO(NULL, "here (%d)", rv);
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GWEN_MsgEndpointMgr_free(emgr);
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return NULL;
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}
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rv=_setupMqtt(emgr, dbArgs);
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if (rv<0) {
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DBG_INFO(NULL, "here (%d)", rv);
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GWEN_MsgEndpointMgr_free(emgr);
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return NULL;
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}
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return emgr;
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}
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int _setupTty(GWEN_MSG_ENDPOINT_MGR *emgr, GWEN_DB_NODE *dbArgs)
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{
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const char *devicePath;
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devicePath=GWEN_DB_GetCharValue(dbArgs, "device", 0, "/dev/ttyUSB0");
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if (devicePath && *devicePath) {
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GWEN_MSG_ENDPOINT *epTty;
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epTty=AQH_TtyNodeEndpoint_new(devicePath, AQH_MSGMGR_ENDPOINTGROUP_NODE);
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if (epTty==NULL) {
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DBG_ERROR(NULL, "Error creating endpoint TTY");
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return GWEN_ERROR_GENERIC;
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}
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GWEN_MsgEndpoint_SetAcceptedGroupIds(epTty, AQH_MSGMGR_ENDPOINTGROUP_NODE);
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GWEN_MsgEndpointMgr_AddEndpoint(emgr, epTty);
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}
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else {
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DBG_ERROR(NULL, "Missing device path");
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return GWEN_ERROR_GENERIC;
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}
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return 0;
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}
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int _setupLog(GWEN_MSG_ENDPOINT_MGR *emgr, GWEN_DB_NODE *dbArgs)
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{
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const char *logFile;
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logFile=GWEN_DB_GetCharValue(dbArgs, "logfile", 0, NULL);
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if (logFile && *logFile) {
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GWEN_MSG_ENDPOINT *epLog;
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epLog=AQH_LogEndpoint_new(logFile, AQH_MSGMGR_ENDPOINTGROUP_NODE);
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if (epLog==NULL) {
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DBG_ERROR(AQH_LOGDOMAIN, "Error creating endpoint LOG");
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return GWEN_ERROR_GENERIC;
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}
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GWEN_MsgEndpoint_SetAcceptedGroupIds(epLog, AQH_MSGMGR_ENDPOINTGROUP_NODE);
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GWEN_MsgEndpointMgr_AddEndpoint(emgr, epLog);
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}
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return 0;
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}
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int _setupWriter(GWEN_MSG_ENDPOINT_MGR *emgr, GWEN_DB_NODE *dbArgs)
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{
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const char *writeToFolder;
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writeToFolder=GWEN_DB_GetCharValue(dbArgs, "writeToFolder", 0, NULL);
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if (writeToFolder && *writeToFolder) {
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GWEN_MSG_ENDPOINT *epWrite;
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epWrite=AQH_WriteEndpoint_new(writeToFolder, AQH_MSGMGR_ENDPOINTGROUP_NODE);
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if (epWrite==NULL) {
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DBG_ERROR(AQH_LOGDOMAIN, "Error creating endpoint WRITE");
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return GWEN_ERROR_GENERIC;
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}
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GWEN_MsgEndpoint_SetAcceptedGroupIds(epWrite, AQH_MSG_TYPEGROUP_INFO | AQH_MSG_TYPEGROUP_VALUES);
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GWEN_MsgEndpointMgr_AddEndpoint(emgr, epWrite);
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}
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return 0;
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}
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int _setupIpc(GWEN_MSG_ENDPOINT_MGR *emgr, GWEN_DB_NODE *dbArgs)
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{
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const char *tcpAddress;
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int tcpPort;
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tcpAddress=GWEN_DB_GetCharValue(dbArgs, "tcpAddress", 0, NULL);
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tcpPort=GWEN_DB_GetIntValue(dbArgs, "tcpPort", 0, 45454);
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if (tcpAddress && *tcpAddress && tcpPort) {
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GWEN_MSG_ENDPOINT *epTcp;
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epTcp=AQH_TcpdIpcNodeEndpoint_new(tcpAddress, tcpPort, NULL, AQH_MSGMGR_ENDPOINTGROUP_NODE|AQH_MSGMGR_ENDPOINTGROUP_IPC);
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if (epTcp==NULL) {
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DBG_ERROR(AQH_LOGDOMAIN, "Error creating endpoint TCP");
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return GWEN_ERROR_GENERIC;
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}
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GWEN_MsgEndpoint_SetAcceptedGroupIds(epTcp, AQH_MSGMGR_ENDPOINTGROUP_NODE | AQH_MSGMGR_ENDPOINTGROUP_IPC);
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GWEN_MsgEndpointMgr_AddEndpoint(emgr, epTcp);
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}
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return 0;
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}
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int _setupMqtt(GWEN_MSG_ENDPOINT_MGR *emgr, GWEN_DB_NODE *dbArgs)
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{
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const char *mqttAddress;
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int mqttPort;
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const char *mqttClientId;
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const char *mqttTopicPrefix;
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int mqttKeepAlive;
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mqttAddress=GWEN_DB_GetCharValue(dbArgs, "mqttAddress", 0, NULL);
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mqttPort=GWEN_DB_GetIntValue(dbArgs, "mqttPort", 0, 1883);
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mqttClientId=GWEN_DB_GetCharValue(dbArgs, "mqttClientId", 0, "aqhomed");
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mqttTopicPrefix=GWEN_DB_GetCharValue(dbArgs, "mqttTopicPrefix", 0, "aqhome/sensors");
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mqttKeepAlive=GWEN_DB_GetIntValue(dbArgs, "mqttKeepAlive", 0, 600);
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if (mqttAddress && *mqttAddress && mqttPort) {
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GWEN_MSG_ENDPOINT *epMqtt;
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DBG_INFO(AQH_LOGDOMAIN, "Connecting to %s (port %d)", mqttAddress, mqttPort);
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epMqtt=AQH_MqttClientEndpoint_new(mqttAddress, mqttPort, NULL, AQH_MSGMGR_ENDPOINTGROUP_MQTT);
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if (epMqtt==NULL) {
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DBG_ERROR(AQH_LOGDOMAIN, "Error creating endpoint TCP");
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return GWEN_ERROR_GENERIC;
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}
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GWEN_MsgEndpoint_SetAcceptedGroupIds(epMqtt, AQH_MSGMGR_ENDPOINTGROUP_NODE | AQH_MSGMGR_ENDPOINTGROUP_MQTT);
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if (mqttClientId && *mqttClientId)
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AQH_MqttClientEndpoint_SetClientId(epMqtt, mqttClientId);
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if (mqttTopicPrefix && *mqttTopicPrefix)
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AQH_MqttClientEndpoint_SetTopicPrefix(epMqtt, mqttTopicPrefix);
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AQH_MqttClientEndpoint_SetKeepAliveTime(epMqtt, mqttKeepAlive);
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GWEN_MsgEndpointMgr_AddEndpoint(emgr, epMqtt);
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}
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return 0;
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}
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int _readArgs(int argc, char **argv, GWEN_DB_NODE *dbArgs)
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{
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int rv;
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const GWEN_ARGS args[]= {
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{
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GWEN_ARGS_FLAGS_HAS_ARGUMENT, /* flags */
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GWEN_ArgsType_Char, /* type */
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"cfgdir", /* name */
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0, /* minnum */
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1, /* maxnum */
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"D", /* short option */
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"cfgdir", /* long option */
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I18S("Specify the configuration folder"),
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I18S("Specify the configuration folder")
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},
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{
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GWEN_ARGS_FLAGS_HAS_ARGUMENT, /* flags */
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GWEN_ArgsType_Char, /* type */
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"charset", /* name */
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0, /* minnum */
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1, /* maxnum */
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0, /* short option */
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"charset", /* long option */
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I18S("Specify the output character set"), /* short description */
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I18S("Specify the output character set") /* long description */
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},
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{
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GWEN_ARGS_FLAGS_HAS_ARGUMENT, /* flags */
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GWEN_ArgsType_Char, /* type */
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"device", /* name */
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0, /* minnum */
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1, /* maxnum */
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"d", /* short option */
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"device", /* long option */
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I18S("Specify the device to communicate with (e.g. /dev/ttyUSB0)"),
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I18S("Specify the device to communicate with (e.g. /dev/ttyUSB0)")
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},
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{
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GWEN_ARGS_FLAGS_HAS_ARGUMENT, /* flags */
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GWEN_ArgsType_Int, /* type */
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"nodeAddress", /* name */
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0, /* minnum */
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1, /* maxnum */
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"n", /* short option */
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"node", /* long option */
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I18S("Specify the node address for the AqHome node adaptor (default 240)"),
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I18S("Specify the node address for the AqHome node adaptor (default 240)")
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},
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{
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GWEN_ARGS_FLAGS_HAS_ARGUMENT, /* flags */
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GWEN_ArgsType_Char, /* type */
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"logFile", /* name */
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0, /* minnum */
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1, /* maxnum */
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"l", /* short option */
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"logfile", /* long option */
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I18S("Specify a logfile to log received messages to"),
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I18S("Specify a logfile to log received messages to")
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},
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{
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GWEN_ARGS_FLAGS_HAS_ARGUMENT, /* flags */
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GWEN_ArgsType_Char, /* type */
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"tcpAddress", /* name */
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0, /* minnum */
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1, /* maxnum */
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"t", /* short option */
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"tcpaddress", /* long option */
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I18S("Specify the TCP address to listen on (disabled if missing)"),
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I18S("Specify the TCP address to listen on (disabled if missing)")
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},
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{
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GWEN_ARGS_FLAGS_HAS_ARGUMENT, /* flags */
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GWEN_ArgsType_Int, /* type */
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"tcpPort", /* name */
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0, /* minnum */
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1, /* maxnum */
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"P", /* short option */
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"tcpport", /* long option */
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I18S("Specify the TCP port to listen on"),
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I18S("Specify the TCP port to listen on")
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},
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{
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GWEN_ARGS_FLAGS_HAS_ARGUMENT, /* flags */
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GWEN_ArgsType_Char, /* type */
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"mqttAddress", /* name */
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0, /* minnum */
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1, /* maxnum */
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"ma", /* short option */
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"mqttaddress", /* long option */
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I18S("Specify the address of the MQTT server to connect to (disabled if missing)"),
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I18S("Specify the address of the MQTT server to connect to (disabled if missing)")
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},
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{
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GWEN_ARGS_FLAGS_HAS_ARGUMENT, /* flags */
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GWEN_ArgsType_Int, /* type */
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"mqttPort", /* name */
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0, /* minnum */
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1, /* maxnum */
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"mp", /* short option */
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"mqttport", /* long option */
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I18S("Specify the port of the MQTT server (default: 1883)"),
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I18S("Specify the port of the MQTT server (default: 1883)")
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},
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{
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GWEN_ARGS_FLAGS_HAS_ARGUMENT, /* flags */
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GWEN_ArgsType_Char, /* type */
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"mqttClientId", /* name */
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0, /* minnum */
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1, /* maxnum */
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NULL, /* short option */
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"mqttclientid", /* long option */
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I18S("Specify client id for the MQTT server (default: \"aqhomed\")"),
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I18S("Specify client id for the MQTT server (default: \"aqhomed\")")
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},
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{
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GWEN_ARGS_FLAGS_HAS_ARGUMENT, /* flags */
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GWEN_ArgsType_Char, /* type */
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"mqttTopicPrefix", /* name */
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0, /* minnum */
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1, /* maxnum */
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"mt", /* short option */
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"mqtttopicprefix", /* long option */
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I18S("Specify prefix of MQTT topics when publishing (defaults to \"aqhome/sensors\")"),
|
|
I18S("Specify prefix of MQTT topics when publishing (defaults to \"aqhome/sensors\")")
|
|
},
|
|
{
|
|
GWEN_ARGS_FLAGS_HAS_ARGUMENT, /* flags */
|
|
GWEN_ArgsType_Int, /* type */
|
|
"mqttKeepAlive", /* name */
|
|
0, /* minnum */
|
|
1, /* maxnum */
|
|
"mk", /* short option */
|
|
"mqttkeepalive", /* long option */
|
|
I18S("Specify keepalive time in seconds (defaults: 600)"),
|
|
I18S("Specify keepalive time in seconds (defaults: 600)")
|
|
},
|
|
{
|
|
GWEN_ARGS_FLAGS_HAS_ARGUMENT, /* flags */
|
|
GWEN_ArgsType_Char, /* type */
|
|
"dbfile", /* name */
|
|
0, /* minnum */
|
|
1, /* maxnum */
|
|
"db", /* short option */
|
|
"dbfile", /* long option */
|
|
I18S("Specify DB file to read/write node database"),
|
|
I18S("Specify DB file to read/write node database")
|
|
},
|
|
{
|
|
GWEN_ARGS_FLAGS_HAS_ARGUMENT, /* flags */
|
|
GWEN_ArgsType_Char, /* type */
|
|
"writeToFolder", /* name */
|
|
0, /* minnum */
|
|
1, /* maxnum */
|
|
"W", /* short option */
|
|
NULL, /* long option */
|
|
I18S("Specify folder to write received values to"),
|
|
I18S("Specify folder to write received values to")
|
|
},
|
|
{
|
|
GWEN_ARGS_FLAGS_HAS_ARGUMENT, /* flags */
|
|
GWEN_ArgsType_Char, /* type */
|
|
"pidfile", /* name */
|
|
0, /* minnum */
|
|
1, /* maxnum */
|
|
"p", /* short option */
|
|
"pidfile", /* long option */
|
|
I18S("Specify the PID file"),
|
|
I18S("Specify the PID file")
|
|
},
|
|
{
|
|
GWEN_ARGS_FLAGS_HAS_ARGUMENT, /* flags */
|
|
GWEN_ArgsType_Int, /* type */
|
|
"timeout", /* name */
|
|
0, /* minnum */
|
|
1, /* maxnum */
|
|
"T", /* short option */
|
|
"timeout", /* long option */
|
|
I18S("Specify timeout in second (default: no timeout)"),
|
|
I18S("Specify timeout in second (default: no timeout)")
|
|
},
|
|
{
|
|
GWEN_ARGS_FLAGS_HELP | GWEN_ARGS_FLAGS_LAST, /* flags */
|
|
GWEN_ArgsType_Int, /* type */
|
|
"help", /* name */
|
|
0, /* minnum */
|
|
0, /* maxnum */
|
|
"h", /* short option */
|
|
"help",
|
|
I18S("Show this help screen."),
|
|
I18S("Show this help screen.")
|
|
}
|
|
};
|
|
|
|
rv=GWEN_Args_Check(argc, argv, 1, 0, args, dbArgs);
|
|
if (rv==GWEN_ARGS_RESULT_ERROR) {
|
|
fprintf(stderr, "ERROR: Could not parse arguments main\n");
|
|
return GWEN_ERROR_INVALID;
|
|
}
|
|
else if (rv==GWEN_ARGS_RESULT_HELP) {
|
|
GWEN_BUFFER *ubuf;
|
|
|
|
ubuf=GWEN_Buffer_new(0, 1024, 0, 1);
|
|
GWEN_Buffer_AppendArgs(ubuf,
|
|
I18N("This is version %s.\nUsage: %s [OPTIONS]\n\nOptions:\n"),
|
|
AQHOME_VERSION_STRING,
|
|
argv[0]);
|
|
if (GWEN_Args_Usage(args, ubuf, GWEN_ArgsOutType_Txt)) {
|
|
fprintf(stderr, "ERROR: Could not create help string\n");
|
|
return 1;
|
|
}
|
|
GWEN_Buffer_AppendString(ubuf, "\n");
|
|
|
|
fprintf(stdout, "%s\n", GWEN_Buffer_GetStart(ubuf));
|
|
GWEN_Buffer_free(ubuf);
|
|
return GWEN_ERROR_CLOSE;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
|
|
|
|
int _setSignalHandlers(void)
|
|
{
|
|
#ifdef HAVE_SIGNAL_H
|
|
int rv;
|
|
|
|
rv=_setupSigAction(&saINT, SIGINT);
|
|
if (rv)
|
|
return rv;
|
|
|
|
rv=_setupSigAction(&saTERM, SIGTERM);
|
|
if (rv)
|
|
return rv;
|
|
|
|
rv=_setupSigAction(&saHUP, SIGHUP);
|
|
if (rv)
|
|
return rv;
|
|
|
|
# ifdef SIGTSTP
|
|
rv=_setupSigAction(&saTSTP, SIGTSTP);
|
|
if (rv)
|
|
return rv;
|
|
# endif
|
|
|
|
# ifdef SIGCONT
|
|
rv=_setupSigAction(&saCONT, SIGCONT);
|
|
if (rv)
|
|
return rv;
|
|
# endif
|
|
#endif
|
|
return 0;
|
|
}
|
|
|
|
|
|
|
|
int _setupSigAction(struct sigaction *sa, int sig)
|
|
{
|
|
sa->sa_handler=_signalHandler;
|
|
sigemptyset(&sa->sa_mask);
|
|
sa->sa_flags=0;
|
|
if (sigaction(sig, sa, 0)) {
|
|
DBG_ERROR(NULL, "Could not setup signal handler for signal %d", sig);
|
|
return GWEN_ERROR_IO;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
|
|
void _signalHandler(int s)
|
|
{
|
|
switch(s) {
|
|
case SIGINT:
|
|
case SIGTERM:
|
|
case SIGHUP:
|
|
DBG_WARN(0, "Received signal %d, stopping service in next loop.",s);
|
|
stopService=1;
|
|
break;
|
|
default:
|
|
DBG_WARN(0, "Unknown signal %d",s);
|
|
break;
|
|
}
|
|
}
|
|
|
|
|
|
|
|
int _createPidFile(const char *pidFilename)
|
|
{
|
|
FILE *f;
|
|
int pidfd;
|
|
|
|
if (remove(pidFilename)==0) {
|
|
DBG_ERROR(0, "Old PID file existed, removed. (Unclean shutdown?)");
|
|
}
|
|
|
|
#ifdef HAVE_SYS_STAT_H
|
|
pidfd = open(pidFilename, O_EXCL|O_CREAT|O_WRONLY, S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH);
|
|
if (pidfd < 0) {
|
|
DBG_ERROR(NULL, "Could not create PID file \"%s\" (%s), aborting.", pidFilename, strerror(errno));
|
|
return GWEN_ERROR_IO;
|
|
}
|
|
|
|
f = fdopen(pidfd, "w");
|
|
#else /* HAVE_STAT_H */
|
|
f=fopen(pidFilename,"w+");
|
|
#endif /* HAVE_STAT_H */
|
|
|
|
/* write pid */
|
|
#ifdef HAVE_GETPID
|
|
fprintf(f,"%d\n",getpid());
|
|
#else
|
|
fprintf(f,"-1\n");
|
|
#endif
|
|
if (fclose(f)) {
|
|
DBG_ERROR(0, "Could not close PID file \"%s\" (%s), aborting.", pidFilename, strerror(errno));
|
|
return GWEN_ERROR_IO;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|