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nntpchan/contrib/backends/nntpchan-daemon/libnntpchan/event.cpp
2018-05-06 08:48:44 -04:00

72 lines
1.2 KiB
C++

#include <fcntl.h>
constexpr size_t ev_buffsz = 512;
#ifdef __linux__
#include "epoll.hpp"
typedef nntpchan::ev::EpollLoop<ev_buffsz> LoopImpl;
#else
#ifdef __FreeBSD__
#include "kqueue.hpp"
typedef nntpchan::ev::KqueueLoop<ev_buffsz> LoopImpl;
#else
#ifdef __netbsd__
typedef nntpchan::ev::KqueueLoop<ev_buffsz> LoopImpl;
#else
#error "unsupported platform"
#endif
#endif
#endif
namespace nntpchan
{
namespace ev
{
bool ev::Loop::BindTCP(const sockaddr *addr, ev::io *handler)
{
assert(handler->acceptable());
socklen_t slen;
switch (addr->sa_family)
{
case AF_INET:
slen = sizeof(sockaddr_in);
break;
case AF_INET6:
slen = sizeof(sockaddr_in6);
break;
case AF_UNIX:
slen = sizeof(sockaddr_un);
break;
default:
return false;
}
int fd = socket(addr->sa_family, SOCK_STREAM | SOCK_NONBLOCK, 0);
if (fd == -1)
{
return false;
}
if (bind(fd, addr, slen) == -1)
{
::close(fd);
return false;
}
if (listen(fd, 5) == -1)
{
::close(fd);
return false;
}
handler->fd = fd;
return TrackConn(handler);
}
bool Loop::SetNonBlocking(ev::io *handler)
{
return fcntl(handler->fd, F_SETFL, fcntl(handler->fd, F_GETFL, 0) | O_NONBLOCK) != -1;
}
}
ev::Loop *NewMainLoop() { return new LoopImpl; }
}