void CounterMonitor::decrement() {
if (atomic_fetch_sub(&counter_, 1) == 1) {
monitor_.notifyAll();
}
}
void Master::start()
{
//init script
Config *pConfig = Config::getInstance();
if(!pConfig->sScriptFile.empty()){
pScript = new Script();
if(!pScript->load(pConfig->sScriptFile)){
printf("init script failed\n");
return ;
}
}
//session initialize
Session::init();
//create share memory
if(!createGlobals()){
return ;
}
//create server
pServer = new Server(NULL);
if(pServer->createTcpServer(pConfig->nPort) != 0){
printf("create tcp server failed, port=%d, errno=%d, errstr=%s\n",
pConfig->nPort, errno, strerror(errno));
return ;
}
//create worker
pWorkers = (Worker**)zmalloc(pConfig->nWorkers * sizeof(Worker*));
bUseAcceptMutex = pConfig->nWorkers > 1;
for(int i = 0; i < pConfig->nWorkers; ++i){
pWorkers[i] = new Worker(this, i);
pWorkers[i]->start();
}
//set title
char title[256];
snprintf(title, 256, "fooking gateway master, %s", pConfig->sFile.c_str());
utils::setProcTitle(title);
//init signal
setupSignal();
//started log
LOG_INFO("server started, listenfd=%d, port=%d", pServer->getSocket().getFd(), pConfig->nPort);
//wait worker exit
bRunning = true;
while(bRunning)
{
int ret = 0;
int pid = ::wait(&ret);
if(pid <= 0){
continue;
}
int found = -1;
for(int i = 0; i < pConfig->nWorkers; ++i){
Worker *pWorker = pWorkers[i];
if(pWorker->getPid() == pid){
found = pWorker->id();
delete pWorker;
break;
}
}
if(found == -1){
LOG_ERR("worker exited, not found workerid");
}else{
LOG_INFO("worker exited, id=%d, pid=%d", found, pid);
atomic_fetch_sub(&pGlobals->clients, pGlobals->workerClients[found]);
pGlobals->workerClients[found] = 0;
//free lock
if(bUseAcceptMutex){
UnLockAcceptMutex(&pGlobals->lock, pid);
}
//restart
pWorkers[found] = new Worker(this, found);
pWorkers[found]->start();
}
}
}
unsigned aa_mem_ref_dec_atomic( _Atomic unsigned *count )
{
return atomic_fetch_sub(count, 1);
}
