threaddata.cpp
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#include "threaddata.h"
#include <string>
#include <sstream>
ThreadData::ThreadData(int threadnr, std::shared_ptr<SubscriptionStore> &subscriptionStore) :
subscriptionStore(subscriptionStore),
threadnr(threadnr)
{
epollfd = check<std::runtime_error>(epoll_create(999));
event_fd = eventfd(0, EFD_NONBLOCK);
struct epoll_event ev;
memset(&ev, 0, sizeof (struct epoll_event));
ev.data.fd = event_fd;
ev.events = EPOLLIN;
check<std::runtime_error>(epoll_ctl(epollfd, EPOLL_CTL_ADD, event_fd, &ev));
}
void ThreadData::moveThreadHere(std::thread &&thread)
{
this->thread = std::move(thread);
pthread_t native = this->thread.native_handle();
std::ostringstream threadName;
threadName << "FlashMQ T " << threadnr;
threadName.flush();
pthread_setname_np(native, threadName.str().c_str());
}
void ThreadData::quit()
{
running = false;
thread.join();
}
void ThreadData::giveClient(Client_p client)
{
clients_by_fd_mutex.lock();
int fd = client->getFd();
clients_by_fd[fd] = client;
clients_by_fd_mutex.unlock();
struct epoll_event ev;
memset(&ev, 0, sizeof (struct epoll_event));
ev.data.fd = fd;
ev.events = EPOLLIN;
check<std::runtime_error>(epoll_ctl(epollfd, EPOLL_CTL_ADD, fd, &ev));
}
Client_p ThreadData::getClient(int fd)
{
std::lock_guard<std::mutex> lck(clients_by_fd_mutex);
return this->clients_by_fd[fd];
}
void ThreadData::removeClient(Client_p client)
{
client->markAsDisconnecting();
std::lock_guard<std::mutex> lck(clients_by_fd_mutex);
clients_by_fd.erase(client->getFd());
subscriptionStore->removeClient(client);
}
void ThreadData::removeClient(int fd)
{
std::lock_guard<std::mutex> lck(clients_by_fd_mutex);
auto client_it = this->clients_by_fd.find(fd);
if (client_it != this->clients_by_fd.end())
{
client_it->second->markAsDisconnecting();
subscriptionStore->removeClient(client_it->second);
this->clients_by_fd.erase(fd);
}
}
std::shared_ptr<SubscriptionStore> &ThreadData::getSubscriptionStore()
{
return subscriptionStore;
}
void ThreadData::wakeUpThread()
{
uint64_t one = 1;
write(event_fd, &one, sizeof(uint64_t));
}
void ThreadData::addToReadyForDequeuing(Client_p &client)
{
std::lock_guard<std::mutex> lock(readForDequeuingMutex);
this->readyForDequeueing.insert(client);
}
void ThreadData::clearReadyForDequeueing()
{
std::lock_guard<std::mutex> lock(readForDequeuingMutex);
this->readyForDequeueing.clear();
}