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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 <sys/ioctl.h>
#include <string>
#include <algorithm>
CEventManager::CEventManager() {}
int fdHandleWrite(int fd, uint32_t mask, void* data) {
const auto PEVMGR = (CEventManager*)data;
return PEVMGR->onFDWrite(fd, mask);
}
int socket2HandleWrite(int fd, uint32_t mask, void* data) {
const auto PEVMGR = (CEventManager*)data;
return PEVMGR->onSocket2Write(fd, mask);
}
void CEventManager::startThread() {
m_iSocketFD = socket(AF_UNIX, SOCK_STREAM | SOCK_CLOEXEC, 0);
if (m_iSocketFD < 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 = g_pCompositor->m_szInstancePath + "/.socket2.sock";
strncpy(SERVERADDRESS.sun_path, socketPath.c_str(), sizeof(SERVERADDRESS.sun_path) - 1);
bind(m_iSocketFD, (sockaddr*)&SERVERADDRESS, SUN_LEN(&SERVERADDRESS));
// 10 max queued.
listen(m_iSocketFD, 10);
m_pEventSource = wl_event_loop_add_fd(g_pCompositor->m_sWLEventLoop, m_iSocketFD, WL_EVENT_READABLE, socket2HandleWrite, this);
}
int CEventManager::onSocket2Write(int fd, uint32_t mask) {
if (mask & WL_EVENT_ERROR || mask & WL_EVENT_HANGUP) {
Debug::log(ERR, "Socket2 hangup?? IPC broke");
wl_event_source_remove(m_pEventSource);
close(fd);
return 0;
}
sockaddr_in clientAddress;
socklen_t clientSize = sizeof(clientAddress);
const auto ACCEPTEDCONNECTION = accept4(m_iSocketFD, (sockaddr*)&clientAddress, &clientSize, SOCK_CLOEXEC | SOCK_NONBLOCK);
if (ACCEPTEDCONNECTION > 0) {
Debug::log(LOG, "Socket2 accepted a new client at FD {}", ACCEPTEDCONNECTION);
// add to event loop so we can close it when we need to
m_dAcceptedSocketFDs.push_back(
std::make_pair<>(ACCEPTEDCONNECTION, wl_event_loop_add_fd(g_pCompositor->m_sWLEventLoop, ACCEPTEDCONNECTION, WL_EVENT_READABLE, fdHandleWrite, this)));
} else {
Debug::log(ERR, "Socket2 failed receiving connection, errno: {}", errno);
close(fd);
}
return 0;
}
int CEventManager::onFDWrite(int fd, uint32_t mask) {
auto removeFD = [this](int fd) -> void {
for (auto it = m_dAcceptedSocketFDs.begin(); it != m_dAcceptedSocketFDs.end();) {
if (it->first == fd) {
wl_event_source_remove(it->second); // remove this fd listener
it = m_dAcceptedSocketFDs.erase(it);
} else {
it++;
}
}
close(fd);
};
if (mask & WL_EVENT_ERROR || mask & WL_EVENT_HANGUP) {
// remove, hanged up
removeFD(fd);
return 0;
}
int availableBytes;
if (ioctl(fd, FIONREAD, &availableBytes) == -1) {
Debug::log(ERR, "fd {} sent invalid data (1)", fd);
removeFD(fd);
return 0;
}
char buf[availableBytes];
const auto RECEIVED = recv(fd, buf, availableBytes, 0);
if (RECEIVED == -1) {
Debug::log(ERR, "fd {} sent invalid data (2)", fd);
removeFD(fd);
return 0;
}
return 0;
}
void CEventManager::flushEvents() {
eventQueueMutex.lock();
for (auto& ev : m_dQueuedEvents) {
std::string eventString = (ev.event + ">>" + ev.data).substr(0, 1022) + "\n";
for (auto& fd : m_dAcceptedSocketFDs) {
try {
write(fd.first, eventString.c_str(), eventString.length());
} catch (...) {}
}
}
m_dQueuedEvents.clear();
eventQueueMutex.unlock();
}
void CEventManager::postEvent(const SHyprIPCEvent event) {
if (g_pCompositor->m_bIsShuttingDown) {
Debug::log(WARN, "Suppressed (ignoreevents true / shutting down) event of type {}, content: {}", event.event, event.data);
return;
}
std::thread(
[this](SHyprIPCEvent ev) {
std::replace(ev.data.begin(), ev.data.end(), '\n', ' ');
eventQueueMutex.lock();
m_dQueuedEvents.push_back(ev);
eventQueueMutex.unlock();
flushEvents();
},
event)
.detach();
}
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