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socket2: receive bytes to avoid endless loops

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This commit is contained in:
vaxerski 2023-04-08 23:14:12 +01:00
parent b32af6ebfb
commit e4e653ada6
1 changed files with 24 additions and 2 deletions
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26
src/managers/EventManager.cpp
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@ -12,14 +12,15 @@
#include <sys/types.h>
#include <sys/un.h>
#include <unistd.h>
#include <sys/ioctl.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
auto removeFD = [&](int fd) -> void {
const auto ACCEPTEDFDS = (std::deque<std::pair<int, wl_event_source*>>*)data;
for (auto it = ACCEPTEDFDS->begin(); it != ACCEPTEDFDS->end();) {
if (it->first == fd) {
@ -29,6 +30,27 @@ int fdHandleWrite(int fd, uint32_t mask, void* data) {
it++;
}
}
};
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 %d 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 %d sent invalid data (2)", fd);
removeFD(fd);
return 0;
}
return 0;