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restarter2.cpp
Package: mysql-4.1.16-win-src.zip [view]
Upload User: romrleung
Upload Date: 2022-05-23
Package Size: 18897k
Code Size: 4k
Category:
MySQL
Development Platform:
Visual C++
- /* 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 */
- #include <string.h>
- #include <NdbMain.h>
- #include <OutputStream.hpp>
- #include <NdbOut.hpp>
- #include <NdbSleep.h>
- #include <getarg.h>
- #include <NdbRestarter.hpp>
- #include <NDBT.hpp>
- int main(int argc, const char** argv){
- ndb_init();
- const char* _hostName = NULL;
- int _loops = 10;
- int _wait = 15;
- int _help = 0;
- #if 0
- int _crash = 0;
- int _abort = 0;
- #endif
- struct getargs args[] = {
- { "seconds", 's', arg_integer, &_wait, "Seconds to wait between each restart(0=random)", "secs" },
- { "loops", 'l', arg_integer, &_loops, "Number of loops", "loops 0=forever"},
- #if 0
- // Not yet!
- { "abort", 'a', arg_flag, &_abort, "Restart abort"},
- { "crash", 'c', arg_flag, &_crash, "Crash instead of restart"},
- #endif
- { "usage", '?', arg_flag, &_help, "Print help", "" }
- };
- int num_args = sizeof(args) / sizeof(args[0]);
- int optind = 0;
- char desc[] =
- "hostname:portn"
- "This program will connect to the mgmsrv of a NDB cluster.n"
- "It will wait for all nodes to be started, then restart all nodesn"
- "into nostart state. Then after a random delay it will tell all nodesn"
- "to start. It will do this loop number of timesn";
- if(getarg(args, num_args, argc, argv, &optind) || _help) {
- arg_printusage(args, num_args, argv[0], desc);
- return NDBT_ProgramExit(NDBT_WRONGARGS);
- }
- _hostName = argv[optind];
- NdbRestarter restarter(_hostName);
- #if 0
- if(_abort && _crash){
- g_err << "You can't specify both abort and crash" << endl;
- arg_printusage(args, num_args, argv[0], desc);
- return NDBT_ProgramExit(NDBT_WRONGARGS);
- }
- if(_abort){
- restarter.setRestartType(NdbRestarter::AbortRestart);
- }
- if(_crash){
- restarter.setRestartType(NdbRestarter::Crash);
- }
- #endif
- int l = 0;
- while (_loops == 0 || l<_loops){
- g_info << "Waiting for cluster to start" << endl;
- while(restarter.waitClusterStarted(120) != 0){
- g_warning << "Ndb failed to start in 2 minutes" << endl;
- }
- int seconds = _wait;
- if(seconds==0)
- seconds = (rand() % 120) + 1; // Create random value max 120 secs
- g_info << "Waiting for "<<seconds<<" secs" << endl;
- NdbSleep_SecSleep(seconds);
- g_info << l << ": restarting all nodes with nostart" << endl;
- const bool b = (restarter.restartAll(false, true, false) == 0);
- assert(b);
- g_info << "Waiting for cluster to enter nostart" << endl;
- while(restarter.waitClusterNoStart(120) != 0){
- g_warning << "Ndb failed to enter no start in 2 minutes" << endl;
- }
- seconds = _wait;
- if(seconds==0)
- seconds = (rand() % 120) + 1; // Create random value max 120 secs
- g_info << "Waiting for " <<seconds<<" secs" << endl;
- NdbSleep_SecSleep(seconds);
- g_info << l << ": Telling all nodes to start" << endl;
- const bool b2 = (restarter.startAll() == 0);
- assert(b2);
- l++;
- }
- return NDBT_ProgramExit(NDBT_OK);
- }