You have created a cluster, a table group and the PLAYERONLINECNT
table.
The description file table_test.xml of the PLAYERONLINECNT
table is as follows:
<?xml version="1.0" encoding="GBK" standalone="yes" ?>
<metalib name="tcaplus_tb" tagsetversion="1" version="1">
<struct name="PLAYERONLINECNT" version="1" primarykey="TimeStamp,GameSvrID" splittablekey="TimeStamp">
<entry name="TimeStamp" type="uint32" desc="Measured in minutes" />
<entry name="GameSvrID" type="string" size="64" />
<entry name="GameAppID" type="string" size="64" desc="gameapp id" />
<entry name="OnlineCntIOS" type="uint32" defaultvalue="0" desc="The number of iOS online users" />
<entry name="OnlineCntAndroid" type="uint32" defaultvalue="0" desc="The number of Android online users" />
<entry name="BinaryLen" type="smalluint" defaultvalue="1" desc="Data length of the data source; skip the source check when the length is 0."/>
<entry name="binary" type="tinyint" desc="Binary" count= "1000" refer="BinaryLen" />
<entry name="binary2" type="tinyint" desc="Binary 2" count= "1000" refer="BinaryLen" />
<entry name="strstr" type="string" size="64" desc="String"/>
<index name="index_id" column="TimeStamp"/>
</struct>
</metalib>
// Access address of the target cluster
static const char DIR_URL_ARRAY[][TCAPLUS_MAX_STRING_LENGTH] =
{
"tcp://10.191.***.99:9999",
"tcp://10.191.***.88:9999"
};
// The number of target cluster addresses
static const int32_t DIR_URL_COUNT = 2;
// Cluster ID of the target business
static const int32_t APP_ID = 3;
// Table group ID of the target business
static const int32_t ZONE_ID = 1;
// Target business password
static const char * SIGNATURE = "*******";
// Table name "PLAYERONLINECNT" of the target business
static const char * TABLE_NAME = "PLAYERONLINECNT";
Log configuration file: tlogconf.xml
// TCaplus service log class
TcaplusService::TLogger* g_pstTlogger;
LPTLOGCATEGORYINST g_pstLogHandler;
LPTLOGCTX g_pstLogCtx;
int32_t InitLog()
{
// Absolute path of the log configuration file
const char* sLogConfFile = "tlogconf.xml";
// Log class name
const char* sCategoryName = "mytest";
// Initialize the log handle using the configuration file
g_pstLogCtx = tlog_init_from_file(sLogConfFile);
if (NULL == g_pstLogCtx)
{
fprintf(stderr, "tlog_init_from_file failed.\n");
return -1;
}
// Get the log class
g_pstLogHandler = tlog_get_category(g_pstLogCtx, sCategoryName);
if (NULL == g_pstLogHandler)
{
fprintf(stderr, "tlog_get_category(mytest) failed.\n");
return -2;
}
// Initialize the log handle
g_pstTlogger = new TcaplusService::TLogger(g_pstLogHandler);
if (NULL == g_pstTlogger)
{
fprintf(stderr, "TcaplusService::TLogger failed.\n");
return -3;
}
return 0;
}
// The client main class of the TCaplus service API
TcaplusService::TcaplusServer g_stTcapSvr;
// Meta information for the table
extern unsigned char g_szMetalib_tcaplus_tb[];
LPTDRMETA g_szTableMeta = NULL;
int32_t InitServiceAPI()
{
// Initialize
int32_t iRet = g_stTcapSvr.Init(g_pstTlogger, /*module_id*/0, /*app id*/APP_ID, /*zone id*/ZONE_ID, /*signature*/SIGNATURE);
if (0 != iRet)
{
tlog_error(g_pstLogHandler, 0, 0, "g_stTcapSvr.Init failed, iRet: %d.", iRet);
return iRet;
}
// Add the directory server
for (int32_t i = 0; i< DIR_URL_COUNT; i++)
{
iRet = g_stTcapSvr.AddDirServerAddress(DIR_URL_ARRAY[i]);
if (0 != iRet)
{
tlog_error(g_pstLogHandler, 0, 0, "g_stTcapSvr.AddDirServerAddress(%s) failed, iRet: %d.", DIR_URL_ARRAY[i], iRet);
return iRet;
}
}
// Get the meta description of the table
g_szTableMeta = tdr_get_meta_by_name((LPTDRMETALIB)g_szMetalib_tcaplus_tb, TABLE_NAME);
if(NULL == g_szTableMeta)
{
tlog_error(g_pstLogHandler, 0, 0,"tdr_get_meta_by_name(%s) failed.", TABLE_NAME);
return -1;
}
// Register the data table (connect to the directory server, verify the password, and get the table routing) with 10-second timeout period
iRet = g_stTcapSvr.RegistTable(TABLE_NAME, g_szTableMeta, /*timeout_ms*/10000);
if(0 != iRet)
{
tlog_error(g_pstLogHandler, 0, 0, "g_stTcapSvr.RegistTable(%s) failed, iRet: %d.", TABLE_NAME, iRet);
return iRet;
}
// Connect to all TcaplusDB proxy servers corresponding to the table
iRet = g_stTcapSvr.ConnectAll(/*timeout_ms*/10000, 0);
if(0 != iRet)
{
tlog_error(g_pstLogHandler, 0, 0, "g_stTcapSvr.ConnectAll failed, iRet: %d.", iRet);
return iRet;
}
return 0;
}
int32_t SendDeleteRequest()
{
// Request object class
TcaplusService::TcaplusServiceRequest* pstRequest = g_stTcapSvr.GetRequest(TABLE_NAME);
if (NULL == pstRequest)
{
tlog_error(g_pstLogHandler, 0, 0, "g_stTcapSvr.GetRequest(%s) failed.", TABLE_NAME);
return -1;
}
// Initialize the request object
int iRet = pstRequest->Init(TCAPLUS_API_DELETE_REQ, NULL, 0, 0, 0, 0);
if(0 != iRet)
{
tlog_error(g_pstLogHandler, 0, 0, "pstRequest->Init(TCAPLUS_API_DELETE_REQ) failed, iRet: %d.", iRet);
return iRet;
}
// Add a record to the table according to the request
TcaplusService::TcaplusServiceRecord* pstRecord = pstRequest->AddRecord();
if (NULL == pstRecord)
{
tlog_error(g_pstLogHandler, 0, 0, "pstRequest->AddRecord() failed.");
return -1;
}
PLAYERONLINECNT stPLAYERONLINECNT;
memset(&stPLAYERONLINECNT, 0, sizeof(stPLAYERONLINECNT));
// Specify the information of the key to be deleted
stPLAYERONLINECNT.dwTimeStamp = 1;
snprintf(stPLAYERONLINECNT.szGameSvrID, sizeof(stPLAYERONLINECNT.szGameSvrID), "%s", "mysvrid");
// Set the record based on the TDR description
iRet = pstRecord->SetData(&stPLAYERONLINECNT, sizeof(stPLAYERONLINECNT));
if(0 != iRet)
{
tlog_error(g_pstLogHandler, 0, 0, "pstRecord->SetData() failed, iRet: %d.", iRet);
return iRet;
}
// Send the request packet
iRet= g_stTcapSvr.SendRequest(pstRequest);
if(0 != iRet)
{
tlog_error(g_pstLogHandler, 0, 0, "g_stTcapSvr.SendRequest failed, iRet: %d.", iRet);
return iRet;
}
return 0;
}
int RecvResp(TcaplusServiceResponse*& response)
{
// Block the reception of response packets 5,000 times with each block lasting for 1 ms
unsigned int sleep_us = 1000;
unsigned int sleep_count = 5000;
do
{
usleep(sleep_us);
response = NULL;
int ret = g_stTcapSvr.RecvResponse(response);
if (ret < 0)
{
tlog_error(g_pstLogHandler, 0, 0, "tcaplus_server.RecvResponse failed. ret:%d", ret);
return ret;
}
// Receive a response packet
if (1 == ret)
{
break;
}
} while ((--sleep_count) > 0);
// Timeout period: 5 seconds
if (0 == sleep_count)
{
tlog_error(g_pstLogHandler, 0, 0, "tcaplus_server.RecvResponse wait timeout.");
return -1;
}
return 0;
}
Please refer to main.cpp.
int main(void) {
// Initialize the log
int ret = InitLog();
if ( ret != 0)
{
printf("init log failed\n");
return -1;
}
// Initialize the API client
ret = InitServiceAPI();
if ( ret != 0)
{
printf("init InitServiceAPI failed\n");
return -1;
}
// Send the request
ret = SendDeleteRequest();
if (0 != ret)
{
printf("SendDeleteRequest failed\n");
return -1;
}
// Receive the response
TcaplusServiceResponse* response = NULL;
ret = RecvResp(response);
if (0 != ret)
{
printf("RecvResp failed\n");
return -1;
}
// Get the result, where "0" indicates success
int32_t result = response->GetResult();
if (0 != result)
{
printf("the result is %d\n", result);
return -1;
}
return 0;
}
Was this page helpful?