nntpchan/contrib/backends/nntpchan-daemon/libnntpchan/event.cpp

#include <fcntl.h>
#ifdef __linux__
#include "epoll.hpp"
typedef nntpchan::ev::EpollLoop LoopImpl;
#else
#ifdef __freebsd__
#include "kqueue.hpp"
typedef nntpchan::ev::KqueueLoop LoopImpl;
#else
#ifdef __netbsd__
typedef nntpchan::ev::KqueueLoop 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;
  }
}