userInterface.cpp
上传用户:romrleung
上传日期:2022-05-23
资源大小:18897k
文件大小:3k
- /* Copyright (C) 2003 MySQL AB
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
- /***************************************************************
- * I N C L U D E D F I L E S *
- ***************************************************************/
- #include <ndb_global.h>
- #include <time.h>
- #include "ndb_schema.hpp"
- #include "ndb_error.hpp"
- #include "userInterface.h"
- #include <NdbMutex.h>
- #include <NdbThread.h>
- #include <NdbTick.h>
- #include <NdbApi.hpp>
- #include <NdbOut.hpp>
- /***************************************************************
- * L O C A L C O N S T A N T S *
- ***************************************************************/
- /***************************************************************
- * L O C A L D A T A S T R U C T U R E S *
- ***************************************************************/
- /***************************************************************
- * L O C A L F U N C T I O N S *
- ***************************************************************/
- #ifndef NDB_WIN32
- #include <unistd.h>
- #endif
- static NdbMutex* startupMutex = NdbMutex_Create();
- Ndb*
- asyncDbConnect(int parallellism){
- NdbMutex_Lock(startupMutex);
- Ndb * pNDB = new Ndb("");
-
- pNDB->init(parallellism + 1);
-
- while(pNDB->waitUntilReady() != 0){
- }
-
- NdbMutex_Unlock(startupMutex);
- return pNDB;
- }
- void
- asyncDbDisconnect(Ndb* pNDB)
- {
- delete pNDB;
- }
- double
- userGetTime(void)
- {
- static bool initialized = false;
- static NDB_TICKS initSecs = 0;
- static Uint32 initMicros = 0;
- double timeValue = 0;
- if ( !initialized ) {
- initialized = true;
- NdbTick_CurrentMicrosecond(&initSecs, &initMicros);
- timeValue = 0.0;
- } else {
- NDB_TICKS secs = 0;
- Uint32 micros = 0;
- NdbTick_CurrentMicrosecond(&secs, µs);
- double s = (double)secs - (double)initSecs;
- double us = (double)micros - (double)initMicros;
-
- timeValue = s + (us / 1000000.0);
- }
- return timeValue;
- }
- void showTime()
- {
- char buf[128];
- struct tm* tm_now;
- time_t now;
- now = ::time((time_t*)NULL);
- tm_now = ::gmtime(&now);
- BaseString::snprintf(buf, 128,
- "%d-%.2d-%.2d %.2d:%.2d:%.2d",
- tm_now->tm_year + 1900,
- tm_now->tm_mon,
- tm_now->tm_mday,
- tm_now->tm_hour,
- tm_now->tm_min,
- tm_now->tm_sec);
- ndbout_c("Time: %s", buf);
- }