void LoadBalancer::new_worker(size_t i) {
if (worker_proc[i]) {
delete worker_proc[i];
worker_proc[i] = nullptr;
}
if (isFinished())
return;
std::string logfilename = my_config.value("workerlog");
if (logfilename.empty()) {
worker_proc[i] = createWorker(nullptr, no_channels,
static_cast<unsigned int>(i));
} else {
// In logfilename, replace all %d with worker number (i.e. i),
// adjusting to fixed width by filling with zeroes.
auto len = std::to_string(tot_no_workers).size();
auto wno = std::to_string(i);
wno = std::string(len-wno.size(), '0') + wno;
while (true) {
auto pos = logfilename.find("%d");
if (pos == std::string::npos)
break;
logfilename.replace(pos, 2, wno);
}
worker_proc[i] = createWorker(logfilename, no_channels,
static_cast<unsigned int>(i));
}
if (worker_proc[i])
log() << "Created worker " << i << ", pid: " << worker_proc[i]->pid();
}
void WatcherRunner::start() {
// Set worker performance counters to an initial state.
Watcher::resetWorkerCounters(0);
// Enter the watch loop.
do {
if (use_worker_ && !watch(Watcher::getWorker())) {
if (Watcher::fatesBound()) {
// A signal has interrupted the watcher.
break;
}
// The watcher failed, create a worker.
createWorker();
}
// Loop over every managed extension and check sanity.
std::vector<std::string> failing_extensions;
for (const auto& extension : Watcher::extensions()) {
if (!watch(*extension.second)) {
if (!createExtension(extension.first)) {
failing_extensions.push_back(extension.first);
}
}
}
// If any extension creations failed, stop managing them.
for (const auto& failed_extension : failing_extensions) {
Watcher::removeExtensionPath(failed_extension);
}
pauseMilli(getWorkerLimit(INTERVAL) * 1000);
} while (!interrupted() && ok());
}
ClientController::ClientController()
: mThread(new QThread())
{
mWorker = createWorker();
mConnection = createConnection(mWorker);
mThread->start();
}
Worker * createSingleWorker(){
Worker * wp = NULL;
wp = createWorker(1, NULL);
if (wp == NULL){
ntLogging(LOG_FATAL,"createSingleWorker failed");
return NULL;
}
return wp;
}
void ThreadPool::unsafeAddWorkers(std::size_t to_create, PolymorphicWorkerFactory factory, LockPtr lock)
{
this->num_pseudo_workers += to_create;
for (std::size_t i = 0; i < to_create; ++i)
workers.insert(createWorker(factory));
if (lock)
lock->unlock();
}
//! Starts the workpool, creating _minwkrcnt
void start(ushort _minwkrcnt = 0){
Locker<Mutex> lock(mtx);
if(state() == Running){
return;
}
if(state() != Stopped){
doStop(lock, true);
}
wkrcnt = 0;
state(Running);
for(ushort i(0); i < _minwkrcnt; ++i){
createWorker();
}
}
void CController::init()
{
if(mDeviceCount > 0) {
for(int i=0; i<mDeviceCount; ++i)
createWorker(i);
if(!mThreadCont.empty()) {
SHARED_VECQTHREAD::const_iterator it = mThreadCont.begin();
for(; it != mThreadCont.end(); ++it)
it->get()->start(QThread::NormalPriority);
}
mWorkerCont.at(0)->resume();
}
}
void createWorkers(struct config* config) {
config->workers = malloc(sizeof(struct worker*)*config->n_workers);
int i;
for( i = 0; i < config->n_workers; i++) {
config->workers[i] = createWorker(config, i);
}
if(config->n_workers > config->n_connections_total ) {
printf("Overridge n_connections_total because < n_workers\n");
config->n_connections_total = config->n_workers;
}
int total_connections = 0;
for(i = 0; i < config->n_workers; i++) {
int num_worker_connections = config->n_connections_total/config->n_workers + (i < config->n_connections_total % config->n_workers);
printf("num_worker_connections %d\n", num_worker_connections);
total_connections += num_worker_connections;
config->workers[i]->connections = malloc(sizeof(struct conn*) * num_worker_connections);
config->workers[i]->nConnections = num_worker_connections;
config->workers[i]->received_warmup_keys = 0;
int j;
int server=i % config->n_servers;
for(j = 0; j < num_worker_connections; j++) {
config->workers[i]->connections[j] = createConnection(config->server_ip_address[server], config->server_port[server], config->protocol_mode, config->naggles);
}
int rc;
//Create receive thread
rc = pthread_create(&config->workers[i]->thread, NULL, workerFunction, config->workers[i]);
if(rc) {
printf("Error creating receive thread\n");
}
}
printf("Created %d connections total\n", total_connections);
}//createWorkers()
