/**************************************************************************** * This file is part of the project AqHome. * AqHome (c) by 2023 Martin Preuss, all rights reserved. * * The license for this file can be found in the file COPYING which you * should have received along with this file. ****************************************************************************/ #ifdef HAVE_CONFIG_H # include #endif #include "./getlastdatapoint.h" #include "../utils.h" #include "aqhome/aqhome.h" #include "aqhome/msg/msg_node.h" #include "aqhome/ipc/msg_ipc_result.h" #include "aqhome/ipc/data/msg_data_getdata.h" #include "aqhome/ipc/data/msg_data_multidata.h" #include "aqhome/ipc/data/ipc_data.h" #include "aqhome/ipc/msg_ipc_tag16.h" #include #include #include #include #include #include #define I18S(msg) msg #define I18N(msg) GWEN_I18N_Translate(PACKAGE, msg) /* ------------------------------------------------------------------------------------------------ * forward declarations * ------------------------------------------------------------------------------------------------ */ static int _doGetLastDataPoint(GWEN_DB_NODE *dbArgs); static void _sendCommand(GWEN_MSG_ENDPOINT *epTcp, const char *valueName); static int _awaitAndHandleResponse(GWEN_MSG_ENDPOINT *epTcp, int timeoutInSeconds); static int _handleDataResponse(GWEN_MSG *msg); /* ------------------------------------------------------------------------------------------------ * code * ------------------------------------------------------------------------------------------------ */ int AQH_Tool_GetLastDataPoint(GWEN_DB_NODE *dbGlobalArgs, int argc, char **argv) { GWEN_DB_NODE *dbLocalArgs; int rv; const GWEN_ARGS args[]= { { GWEN_ARGS_FLAGS_HAS_ARGUMENT, /* flags */ GWEN_ArgsType_Char, /* type */ "brokerAddress", /* name */ 0, /* minnum */ 1, /* maxnum */ "t", /* short option */ "tcpaddress", /* long option */ I18S("Specify TCP address to connect to (defaults to 127.0.0.1)"), I18S("Specify TCP address to connect to (defaults to 127.0.0.1)") }, { GWEN_ARGS_FLAGS_HAS_ARGUMENT, /* flags */ GWEN_ArgsType_Int, /* type */ "brokerPort", /* name */ 0, /* minnum */ 1, /* maxnum */ "P", /* short option */ "tcpport", /* long option */ I18S("Specify the TCP port to listen on"), I18S("Specify the TCP port to listen on") }, { GWEN_ARGS_FLAGS_HAS_ARGUMENT, /* flags */ GWEN_ArgsType_Int, /* type */ "timeout", /* name */ 0, /* minnum */ 1, /* maxnum */ "T", /* short option */ NULL, /* long option */ I18S("Specify timeout in seconds for response"), I18S("Specify timeout in seconds for response") }, { GWEN_ARGS_FLAGS_HAS_ARGUMENT, /* flags */ GWEN_ArgsType_Char, /* type */ "valueName", /* name */ 1, /* minnum */ 1, /* maxnum */ "N", /* short option */ "valuename", /* long option */ I18S("Name/path of the value to add (e.g. server/temp/system)"), I18S("Name/path of the value to add (e.g. server/temp/system)") }, { GWEN_ARGS_FLAGS_HAS_ARGUMENT, /* flags */ GWEN_ArgsType_Char, /* type */ "brokerClientId", /* name */ 0, /* minnum */ 1, /* maxnum */ "c", /* short option */ "clientid", /* long option */ I18S("Specify CLIENTID"), I18S("Specify CLIENTID") }, { GWEN_ARGS_FLAGS_HAS_ARGUMENT, /* flags */ GWEN_ArgsType_Char, /* type */ "userId", /* name */ 0, /* minnum */ 1, /* maxnum */ "u", /* short option */ "userid", /* long option */ I18S("Specify user id"), I18S("Specify user id") }, { GWEN_ARGS_FLAGS_HAS_ARGUMENT, /* flags */ GWEN_ArgsType_Char, /* type */ "password", /* name */ 0, /* minnum */ 1, /* maxnum */ "p", /* short option */ "password", /* long option */ I18S("Specify service password"), I18S("Specify service password") }, { GWEN_ARGS_FLAGS_HELP | GWEN_ARGS_FLAGS_LAST, /* flags */ GWEN_ArgsType_Int, /* type */ "help", /* name */ 0, /* minnum */ 0, /* maxnum */ "h", /* short option */ "help", /* long option */ "Show this help screen", /* short description */ "Show this help screen" /* long description */ } }; dbLocalArgs=GWEN_DB_GetGroup(dbGlobalArgs, GWEN_DB_FLAGS_DEFAULT, "local"); rv=GWEN_Args_Check(argc, argv, 1, GWEN_ARGS_MODE_ALLOW_FREEPARAM, args, dbLocalArgs); if (rv==GWEN_ARGS_RESULT_ERROR) { fprintf(stderr, "ERROR: Could not parse arguments\n"); return 1; } else if (rv==GWEN_ARGS_RESULT_HELP) { GWEN_BUFFER *ubuf; ubuf=GWEN_Buffer_new(0, 1024, 0, 1); if (GWEN_Args_Usage(args, ubuf, GWEN_ArgsOutType_Txt)) { fprintf(stderr, "ERROR: Could not create help string\n"); return 1; } fprintf(stderr, "%s\n", GWEN_Buffer_GetStart(ubuf)); GWEN_Buffer_free(ubuf); return 0; } AQH_MergeConfigFileIntoConfig(dbLocalArgs, "ConfigFile"); return _doGetLastDataPoint(dbLocalArgs); } int _doGetLastDataPoint(GWEN_DB_NODE *dbArgs) { GWEN_MSG_ENDPOINT *epTcp; int timeoutInSeconds; const char *valueName; int rv; timeoutInSeconds=GWEN_DB_GetIntValue(dbArgs, "timeout", 0, 5); valueName=GWEN_DB_GetCharValue(dbArgs, "valueName", 0, NULL); epTcp=Utils_SetupBrokerClientEndpoint(dbArgs, 0); if (epTcp==NULL) { DBG_ERROR(NULL, "ERROR creating TCP connection"); return 2; } /*fprintf(stdout, "Sending GetLastDataPoint request (%s)\n", valueName);*/ _sendCommand(epTcp, valueName); rv=_awaitAndHandleResponse(epTcp, timeoutInSeconds); if (rv!=0) { DBG_INFO(NULL, "here (%d)", rv); GWEN_MsgEndpoint_free(epTcp); return rv; } GWEN_MsgEndpoint_free(epTcp); return 0; } void _sendCommand(GWEN_MSG_ENDPOINT *epTcp, const char *valueName) { GWEN_MSG *msgOut; msgOut=AQH_GetDataDataIpcMsg_new(AQH_MSGTYPE_IPC_DATA_GETLASTDATA_REQ, valueName, 0, 0, 1); GWEN_MsgEndpoint_AddSendMessage(epTcp, msgOut); } int _awaitAndHandleResponse(GWEN_MSG_ENDPOINT *epTcp, int timeoutInSeconds) { GWEN_MSG *msg; uint16_t code; msg=Utils_WaitForSpecificIpcMessage(epTcp, AQH_MSGTYPE_IPC_DATA_GETLASTDATA_RSP, timeoutInSeconds); if (msg) { code=GWEN_IpcMsg_GetCode(msg); if (code==AQH_MSGTYPE_IPC_DATA_GETLASTDATA_RSP) { int rv; rv=_handleDataResponse(msg); GWEN_Msg_free(msg); return rv; } else if (code==AQH_MSGTYPE_IPC_DATA_RESULT) { uint32_t resultCode; resultCode=AQH_ResultIpcMsg_GetResultCode(msg); fprintf(stderr, "ERROR: %d\n", resultCode); GWEN_Msg_free(msg); return 3; } else { DBG_INFO(NULL, "Unexpected message \"%d\"", code); GWEN_Msg_free(msg); return 3; } } else { DBG_ERROR(NULL, "No response received"); return 2; } } int _handleDataResponse(GWEN_MSG *msg) { AQH_VALUE *value; const GWEN_TAG16 *tag; const char *valueUnits; unsigned int numberOfPoints; const uint64_t *dataPoints; AQH_MultiDataDataIpcMsg_Parse(msg, 0); value=AQH_MultiDataDataIpcMsg_ReadValue(msg); valueUnits=value?AQH_Value_GetValueUnits(value):NULL; tag=AQH_Tag16IpcMsg_FindFirstTagByType(msg, AQH_MSGDATA_MULTIDATA_TAGS_DATA); numberOfPoints=(tag?GWEN_Tag16_GetTagLength(tag):0)/(2*sizeof(uint64_t)); dataPoints=tag?((const uint64_t*) GWEN_Tag16_GetTagData(tag)):NULL; if (numberOfPoints>0 && dataPoints) { uint64_t timestamp; union {double f; uint64_t i;} u; timestamp=dataPoints[0]; u.i=dataPoints[1]; Utils_PrintSingleDataPoint(timestamp, u.f, valueUnits); } AQH_Value_free(value); return 0; }