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#include "EventManager.hpp"
#include "../Compositor.hpp"
#include <errno.h>
#include <fcntl.h>
#include <netinet/in.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/socket.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <sys/un.h>
#include <unistd.h>
#include <string>
CEventManager::CEventManager() {
}
int fdHandleWrite(int fd, uint32_t mask, void* data) {
if (mask & WL_EVENT_ERROR || mask & WL_EVENT_HANGUP) {
// remove, hanged up
const auto ACCEPTEDFDS = (std::deque<std::pair<int, wl_event_source*>>*)data;
for (auto it = ACCEPTEDFDS->begin(); it != ACCEPTEDFDS->end(); ) {
if (it->first == fd) {
wl_event_source_remove(it->second); // remove this fd listener
it = ACCEPTEDFDS->erase(it);
} else {
it++;
}
}
}
return 0;
}
void CEventManager::startThread() {
m_tThread = std::thread([&]() {
const auto SOCKET = socket(AF_UNIX, SOCK_STREAM, 0);
if (SOCKET < 0) {
Debug::log(ERR, "Couldn't start the Hyprland Socket 2. (1) IPC will not work.");
return;
}
sockaddr_un SERVERADDRESS = {.sun_family = AF_UNIX};
std::string socketPath = "/tmp/hypr/" + g_pCompositor->m_szInstanceSignature + "/.socket2.sock";
strcpy(SERVERADDRESS.sun_path, socketPath.c_str());
bind(SOCKET, (sockaddr*)&SERVERADDRESS, SUN_LEN(&SERVERADDRESS));
// 10 max queued.
listen(SOCKET, 10);
sockaddr_in clientAddress;
socklen_t clientSize = sizeof(clientAddress);
Debug::log(LOG, "Hypr socket 2 started at %s", socketPath.c_str());
while (1) {
const auto ACCEPTEDCONNECTION = accept(SOCKET, (sockaddr*)&clientAddress, &clientSize);
if (ACCEPTEDCONNECTION > 0) {
// new connection!
int flagsNew = fcntl(ACCEPTEDCONNECTION, F_GETFL, 0);
fcntl(ACCEPTEDCONNECTION, F_SETFL, flagsNew | O_NONBLOCK);
Debug::log(LOG, "Socket 2 accepted a new client at FD %d", ACCEPTEDCONNECTION);
// add to event loop so we can close it when we need to
m_dAcceptedSocketFDs.push_back({ACCEPTEDCONNECTION, wl_event_loop_add_fd(g_pCompositor->m_sWLEventLoop, ACCEPTEDCONNECTION, WL_EVENT_READABLE, fdHandleWrite, &m_dAcceptedSocketFDs)});
}
ensureFDsValid();
}
close(SOCKET);
});
m_tThread.detach();
}
void CEventManager::ensureFDsValid() {
static char readBuf[1024] = {0};
// pong if all FDs valid
for (auto it = m_dAcceptedSocketFDs.begin(); it != m_dAcceptedSocketFDs.end();) {
auto sizeRead = recv(it->first, &readBuf, 1024, 0);
if (sizeRead != 0) {
it++;
continue;
}
// invalid!
Debug::log(LOG, "Removed invalid socket (2) FD: %d", *it);
it = m_dAcceptedSocketFDs.erase(it);
}
}
void CEventManager::flushEvents() {
ensureFDsValid();
eventQueueMutex.lock();
for (auto& ev : m_dQueuedEvents) {
std::string eventString = (ev.event + ">>" + ev.data).substr(0, 1022) + "\n";
for (auto& fd : m_dAcceptedSocketFDs) {
write(fd.first, eventString.c_str(), eventString.length());
}
}
m_dQueuedEvents.clear();
eventQueueMutex.unlock();
}
void CEventManager::postEvent(const SHyprIPCEvent event, bool force) {
if ((m_bIgnoreEvents && !force) || g_pCompositor->m_bIsShuttingDown) {
Debug::log(WARN, "Suppressed (ignoreevents true / shutting down) event of type %s, content: %s",event.event.c_str(), event.data.c_str());
return;
}
std::thread([&](const SHyprIPCEvent ev) {
eventQueueMutex.lock();
m_dQueuedEvents.push_back(ev);
eventQueueMutex.unlock();
flushEvents();
}, event).detach();
}
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