【TcaplusDB知识库】插入数据示例(TDR表)
前提
成功创建：集群，表格组，PLAYERONLINECNT表
PLAYERONLINECNT表描述文件table_test.xml如下：
<?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="单位为分钟" />
<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="ios在线人数" />
<entry name="OnlineCntAndroid" type="uint32" defaultvalue="0" desc="android在线人数" />
<entry name="BinaryLen" type="smalluint" defaultvalue="1" desc="数据来源数据长度；长度为0时，忽略来源检查"/>
<entry name="binary" type="tinyint" desc="二进制" count= "1000" refer="BinaryLen" />
<entry name="binary2" type="tinyint" desc="二进制2" count= "1000" refer="BinaryLen" />
<entry name="strstr" type="string" size="64" desc="字符串"/>
<index name="index_id" column="TimeStamp"/>
</struct>
</metalib> 定义配置参数
// 目标业务的tcapdir地址
static const char DIR_URL_ARRAY[][TCAPLUS_MAX_STRING_LENGTH] =
{
"tcp://10.191.***.99:9999",
"tcp://10.191.***.88:9999"
};
// 目标业务的tcapdir 地址个数
static const int32_t DIR_URL_COUNT = 2;
// 目标业务的集群ID
static const int32_t APP_ID = 3;
// 目标业务的表格组ID
static const int32_t ZONE_ID = 1;
// 目标业务的业务密码
static const char * SIGNATURE = "*******";
// 目标业务的表名 PLAYERONLINECNT
static const char * TABLE_NAME = "PLAYERONLINECNT"; 初始化TcaplusAPI日志句柄
日志配置文件：tlogconf.xml
//TCaplus service 日志类
TcaplusService::TLogger* g_pstTlogger;
LPTLOGCATEGORYINST g_pstLogHandler;
LPTLOGCTX g_pstLogCtx;
int32_t InitLog()
{
// 日志配置文件的绝对路径
const char* sLogConfFile = "tlogconf.xml";
// 日志类名
const char* sCategoryName = "mytest";
//从配置文件初始化日志句柄
g_pstLogCtx = tlog_init_from_file(sLogConfFile);
if (NULL == g_pstLogCtx)
{
fprintf(stderr, "tlog_init_from_file failed.\n");
return -1;
}
// 获取日志类
g_pstLogHandler = tlog_get_category(g_pstLogCtx, sCategoryName);
if (NULL == g_pstLogHandler)
{
fprintf(stderr, "tlog_get_category(mytest) failed.\n");
return -2;
}
// 初始化日志句柄
g_pstTlogger = new TcaplusService::TLogger(g_pstLogHandler);
if (NULL == g_pstTlogger)
{
fprintf(stderr, "TcaplusService::TLogger failed.\n");
return -3;
}
return 0;
} 初始化TcaplusAPI客户端
//TCaplus service API的客户端主类
TcaplusService::TcaplusServer g_stTcapSvr;
//表的meta信息
extern unsigned char g_szMetalib_tcaplus_tb[];
LPTDRMETA g_szTableMeta = NULL;
int32_t InitServiceAPI()
{
// 初始化
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;
}
// 添加目录服务器
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;
}
}
// 取得表的meta描述
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;
}
// 注册数据表（连接dir服务器，认证，获取表路由），10s超时
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;
}
// 连接表对应的所有tcaplus proxy服务器
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;
} 通过API发送replace请求
也可以发送TCAPLUS_API_INSERT_REQ插入数据，数据存在会返回失败
TCAPLUS_API_REPLACE_REQ插入数据，数据存在会替换
int32_t SendReplaceRequest()
{
// 请求对象类
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;
}
//初始化请求对象
int iRet = pstRequest->Init(TCAPLUS_API_REPLACE_REQ, NULL, 0, 0, 0, 0);
if(0 != iRet)
{
tlog_error(g_pstLogHandler, 0, 0, "pstRequest->Init(TCAPLUS_API_REPLACE_REQ) failed, iRet: %d.", iRet);
return iRet;
}
//为请求添加表记录
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));
// 设置更新的key信息
stPLAYERONLINECNT.dwTimeStamp = 1;
snprintf(stPLAYERONLINECNT.szGameSvrID, sizeof(stPLAYERONLINECNT.szGameSvrID), "%s", "mysvrid");
// 设置更新的value信息
snprintf(stPLAYERONLINECNT.szGameAppID, sizeof(stPLAYERONLINECNT.szGameAppID), "%s", "myappid");
stPLAYERONLINECNT.dwOnlineCntIOS = 1;
stPLAYERONLINECNT.dwOnlineCntAndroid = 1;
// 设置基于TDR描述设置record数据
iRet = pstRecord->SetData(&stPLAYERONLINECNT, sizeof(stPLAYERONLINECNT));
if(0 != iRet)
{
tlog_error(g_pstLogHandler, 0, 0, "pstRecord->SetData() failed, iRet: %d.", iRet);
return iRet;
}
// 获取结果异步事务ID
uint64_t asyncid = response->GetAsynID();
// 设置用户缓存，应答将携带返回
iRet = pstRequest->SetUserBuff(&stPLAYERONLINECNT, sizeof(stPLAYERONLINECNT));
if(0 != iRet)
{
tlog_error(g_pstLogHandler, 0, 0, "pstRequest->SetUserBuff() failed, iRet: %d.", iRet);
return iRet;
}
// 发送请求消息包
iRet= g_stTcapSvr.SendRequest(pstRequest);
if(0 != iRet)
{
tlog_error(g_pstLogHandler, 0, 0, "g_stTcapSvr.SendRequest failed, iRet: %d.", iRet);
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