353 lines
11 KiB
C
353 lines
11 KiB
C
/****************************************************************************
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* This file is part of the project AqHome.
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* AqHome (c) by 2024 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 "./init.h"
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#include "./aqhome_react_p.h"
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#include "aqhome-react/units/u_timer.h"
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#include "aqhome-react/units/u_varchanges.h"
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#include "aqhome/aqhome.h"
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#include "aqhome/ipc/endpoint_ipc.h"
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#include "aqhome/ipc/endpoint_ipcclient.h"
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#include "aqhome/mqtt/endpoint_mqttc.h"
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#include <gwenhywfar/endpoint_multilayer.h>
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#include <gwenhywfar/args.h>
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#include <gwenhywfar/debug.h>
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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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/* ------------------------------------------------------------------------------------------------
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* defines
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* ------------------------------------------------------------------------------------------------
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*/
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#define I18N(msg) msg
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#define I18S(msg) msg
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/* ------------------------------------------------------------------------------------------------
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* forward declarations
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* ------------------------------------------------------------------------------------------------
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*/
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static int _createPidFile(const char *pidFilename);
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static int _setupBroker(AQHOME_REACT *aqh, GWEN_DB_NODE *dbArgs);
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static void _setupBuiltinUnits(AQHOME_REACT *aqh);
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static int _readArgs(int argc, char **argv, GWEN_DB_NODE *dbArgs);
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/* ------------------------------------------------------------------------------------------------
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* implementations
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* ------------------------------------------------------------------------------------------------
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*/
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int AqHomeReact_Init(AQHOME_REACT *aqh, int argc, char **argv)
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{
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int rv;
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GWEN_DB_NODE *dbArgs;
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const char *s;
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dbArgs=GWEN_DB_Group_new("args");
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rv=_readArgs(argc, argv, dbArgs);
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if (rv<0) {
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DBG_ERROR(NULL, "Error reading args (%d)", rv);
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return rv;
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}
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AQH_MergeConfigFileIntoConfig(dbArgs, "ConfigFile");
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aqh->dbArgs=dbArgs;
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s=GWEN_DB_GetCharValue(dbArgs, "loglevel", 0, NULL);
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if (s && *s) {
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GWEN_LOGGER_LEVEL ll;
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ll=GWEN_Logger_Name2Level(s);
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GWEN_Logger_SetLevel(NULL, ll);
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}
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aqh->timeout=GWEN_DB_GetIntValue(dbArgs, "timeout", 0, 0);
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s=GWEN_DB_GetCharValue(dbArgs, "pidfile", 0, AQHOME_REACT_DEFAULT_PIDFILE);
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if (s && *s) {
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AqHomeReact_SetPidFile(aqh, s);
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rv=_createPidFile(s);
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if (rv<0) {
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DBG_ERROR(NULL, "Error creating PID file (%d)", rv);
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return rv;
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}
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}
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_setupBuiltinUnits(aqh);
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rv=_setupBroker(aqh, dbArgs);
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if (rv<0) {
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DBG_ERROR(NULL, "Error setting up connection to broker (%d)", rv);
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return rv;
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}
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return 0;
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}
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int _createPidFile(const char *pidFilename)
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{
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FILE *f;
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int pidfd;
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if (remove(pidFilename)==0) {
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DBG_ERROR(0, "Old PID file existed, removed. (Unclean shutdown?)");
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}
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#ifdef HAVE_SYS_STAT_H
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pidfd = open(pidFilename, O_EXCL|O_CREAT|O_WRONLY, S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH);
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if (pidfd < 0) {
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DBG_ERROR(NULL, "Could not create PID file \"%s\" (%s), aborting.", pidFilename, strerror(errno));
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return GWEN_ERROR_IO;
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}
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f = fdopen(pidfd, "w");
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#else /* HAVE_STAT_H */
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f=fopen(pidFilename,"w+");
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#endif /* HAVE_STAT_H */
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/* write pid */
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#ifdef HAVE_GETPID
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fprintf(f,"%d\n",getpid());
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#else
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fprintf(f,"-1\n");
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#endif
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if (fclose(f)) {
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DBG_ERROR(0, "Could not close PID file \"%s\" (%s), aborting.", pidFilename, strerror(errno));
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return GWEN_ERROR_IO;
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}
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return 0;
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}
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int _setupBroker(AQHOME_REACT *aqh, GWEN_DB_NODE *dbArgs)
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{
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const char *brokerAddress;
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int brokerPort;
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const char *brokerClientId;
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brokerAddress=GWEN_DB_GetCharValue(dbArgs, "brokerAddress", 0, NULL);
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if (!(brokerAddress && *brokerAddress))
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brokerAddress=GWEN_DB_GetCharValue(dbArgs, "ConfigFile/brokerAddress", 0, "127.0.0.1");
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brokerPort=GWEN_DB_GetIntValue(dbArgs, "brokerPort", 0, -1);
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if (brokerPort<0)
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brokerPort=GWEN_DB_GetIntValue(dbArgs, "ConfigFile/brokerPort", 0, AQHOME_REACT_DEFAULT_BROKER_PORT);
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brokerClientId=GWEN_DB_GetCharValue(dbArgs, "brokerClientId", 0, AQHOME_REACT_DEFAULT_BROKER_CLIENTID);
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if (brokerAddress && *brokerAddress && brokerPort) {
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GWEN_MSG_ENDPOINT *ep;
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GWEN_MSG_ENDPOINT *ipcBaseEndpoint;
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int rv;
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ep=AQH_ClientIpcEndpoint_new("brokerIpcClient", 0);
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GWEN_MsgEndpoint_AddFlags(ep, AQH_IPCENDPOINT_FLAGS_WANTUPDATES);
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ipcBaseEndpoint=AQH_IpcEndpoint_CreateIpcTcpClient(brokerAddress, brokerPort, "brokerPhysEndpoint", 0);
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AQH_IpcEndpoint_SetServiceName(ipcBaseEndpoint, brokerClientId);
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GWEN_MsgEndpoint_Tree2_AddChild(ep, ipcBaseEndpoint);
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aqh->brokerEndpoint=ep;
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rv=GWEN_MultilayerEndpoint_StartConnect(ep);
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if (rv<0 && rv!=GWEN_ERROR_IN_PROGRESS) {
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DBG_ERROR(NULL, "Error connecting to broker server %s:%d (%d), will retry later", brokerAddress, brokerPort, rv);
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return rv;
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}
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}
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return 0;
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}
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void _setupBuiltinUnits(AQHOME_REACT *aqh)
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{
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AQHREACT_UNIT *unit;
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unit=AqHomeReact_UnitTimer_new();
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AQHREACT_Unit_SetId(unit, ".timer");
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AQHREACT_Unit_List_Add(unit, aqh->unitList);
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aqh->timerUnit=unit;
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unit=AqHomeReact_UnitVarChanges_new();
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AQHREACT_Unit_SetId(unit, ".updatedValue");
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AQHREACT_Unit_List_Add(unit, aqh->unitList);
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aqh->varChangeUnit=unit;
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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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"loglevel", /* name */
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0, /* minnum */
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1, /* maxnum */
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"L", /* short option */
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"loglevel", /* long option */
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I18S("Specify loglevel"), /* short description */
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I18S("Specify loglevel") /* 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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"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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"brokerAddress", /* name */
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0, /* minnum */
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1, /* maxnum */
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"ba", /* short option */
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"brokeraddress", /* long option */
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I18S("Specify the address of the broker server to connect to (disabled if missing)"),
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I18S("Specify the address of the broker 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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"brokerPort", /* name */
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0, /* minnum */
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1, /* maxnum */
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"bp", /* short option */
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"brokerport", /* long option */
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I18S("Specify the port of the broker server (default: 1899)"),
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I18S("Specify the port of the broker server (default: 1899)")
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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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"brokerClientId", /* name */
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0, /* minnum */
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1, /* maxnum */
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NULL, /* short option */
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"brokerclientid", /* long option */
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I18S("Specify client id for the broker server (default: \"nodes\")"),
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I18S("Specify client id for the broker server (default: \"nodes\")")
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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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"pidfile", /* name */
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0, /* minnum */
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1, /* maxnum */
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"p", /* short option */
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"pidfile", /* long option */
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I18S("Specify the PID file"),
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I18S("Specify the PID file")
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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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"timeout", /* name */
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0, /* minnum */
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1, /* maxnum */
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"T", /* short option */
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"timeout", /* long option */
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I18S("Specify timeout in second (default: no timeout)"),
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I18S("Specify timeout in second (default: no timeout)")
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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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"devicefile", /* name */
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0, /* minnum */
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1, /* maxnum */
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"d", /* short option */
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"devicefile", /* long option */
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I18S("Specify the device file"),
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I18S("Specify the device file")
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},
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{
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GWEN_ARGS_FLAGS_HELP | GWEN_ARGS_FLAGS_LAST, /* flags */
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GWEN_ArgsType_Int, /* type */
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"help", /* name */
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0, /* minnum */
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0, /* maxnum */
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"h", /* short option */
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"help",
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I18S("Show this help screen."),
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I18S("Show this help screen.")
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}
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};
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rv=GWEN_Args_Check(argc, argv, 1, 0, args, dbArgs);
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if (rv==GWEN_ARGS_RESULT_ERROR) {
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fprintf(stderr, "ERROR: Could not parse arguments main\n");
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return GWEN_ERROR_INVALID;
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}
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else if (rv==GWEN_ARGS_RESULT_HELP) {
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GWEN_BUFFER *ubuf;
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ubuf=GWEN_Buffer_new(0, 1024, 0, 1);
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GWEN_Buffer_AppendArgs(ubuf,
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I18N("This is version %s.\nUsage: %s [OPTIONS]\n\nOptions:\n"),
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AQHOME_VERSION_STRING,
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argv[0]);
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if (GWEN_Args_Usage(args, ubuf, GWEN_ArgsOutType_Txt)) {
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fprintf(stderr, "ERROR: Could not create help string\n");
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return 1;
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}
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GWEN_Buffer_AppendString(ubuf, "\n");
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fprintf(stdout, "%s\n", GWEN_Buffer_GetStart(ubuf));
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GWEN_Buffer_free(ubuf);
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return GWEN_ERROR_CLOSE;
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}
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return 0;
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}
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