【TcaplusDB知识库】更新数据示例(TDR表)

【TcaplusDB知识库】更新数据示例(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: 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; iInit(TCAPLUS_API_UPDATE_REQ, NULL, 0, 0, 0, 0); if(0 != iRet) { tlog_error(g_pstLogHandler, 0, 0, "pstRequest->Init(TCAPLUS_API_UPDATE_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", "myappid2"); stPLAYERONLINECNT.dwOnlineCntIOS = 2; stPLAYERONLINECNT.dwOnlineCntAndroid = 2; // 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; } // 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); return iRet; } return 0; } 通过API接收响应 int RecvResp(TcaplusServiceResponse*& response) { //此处阻塞收包,每次阻塞1ms,收5000次 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); //5s超时 if (0 == sleep_count) { tlog_error(g_pstLogHandler, 0, 0, "tcaplus_server.RecvResponse wait timeout."); return -1; } return 0; } 示例 main.cpp int main(void) { //初始化日志 int ret = InitLog(); if ( ret != 0) { printf("init log failed\n"); return -1; } //初始化API客户端 ret = InitServiceAPI(); if ( ret != 0) { printf("init InitServiceAPI failed\n"); return -1; } //发送请求 ret = SendUpdateRequest(); if (0 != ret) { printf("SendUpdateRequest failed\n"); return -1; } //接收响应 TcaplusServiceResponse* response = NULL; ret = RecvResp(response); if (0 != ret) { printf("RecvResp failed\n"); return -1; } //获取操作的结果,0表示成功 int32_t result = response->GetResult(); if (0 != result) { printf("the result is %d\n", result); return -1; } return 0; } ​​ TcaplusDB是腾讯出品的分布式NoSQL数据库,存储和调度的代码完全自研。具备缓存+落地融合架构、PB级存储、毫秒级时延、无损水平扩展和复杂数据结构等特性。同时具备丰富的生态、便捷的迁移、极低的运维成本和五个九高可用等特点。客户覆盖游戏、互联网、政务、金融、制造和物联网等领域。

提供全面的网站源码学习交流,小程序、APP、H5、支付、游戏、区块链、商城、直播、影音、小说、公众号等源码学习交流。
精品源码资源网 » 【TcaplusDB知识库】更新数据示例(TDR表)
赞助VIP 享更多特权,立即登录下载海量资源
喜欢我嘛?喜欢就按“ctrl+D”收藏我吧!♡