icinga2/base/socket.cpp

108 lines
1.7 KiB
C++

#include "i2-base.h"
using namespace icinga;
Socket::CollectionType Socket::Sockets;
Socket::Socket(void)
{
m_FD = INVALID_SOCKET;
}
Socket::~Socket(void)
{
CloseInternal(true);
}
void Socket::Start(void)
{
assert(m_FD != INVALID_SOCKET);
OnException += bind_weak(&Socket::ExceptionEventHandler, shared_from_this());
Sockets.push_back(static_pointer_cast<Socket>(shared_from_this()));
}
void Socket::Stop(void)
{
Sockets.remove_if(weak_ptr_eq_raw<Socket>(this));
}
void Socket::SetFD(SOCKET fd)
{
unsigned long lTrue = 1;
if (fd != INVALID_SOCKET)
ioctlsocket(fd, FIONBIO, &lTrue);
m_FD = fd;
}
SOCKET Socket::GetFD(void) const
{
return m_FD;
}
void Socket::Close(void)
{
CloseInternal(false);
}
void Socket::CloseInternal(bool from_dtor)
{
if (m_FD != INVALID_SOCKET) {
closesocket(m_FD);
m_FD = INVALID_SOCKET;
/* nobody can possibly have a valid event subscription when the
destructor has been called */
if (!from_dtor) {
EventArgs ea;
ea.Source = shared_from_this();
OnClosed(ea);
}
}
if (!from_dtor)
Stop();
}
void Socket::HandleSocketError(void)
{
int opt;
socklen_t optlen = sizeof(opt);
int rc = getsockopt(GetFD(), SOL_SOCKET, SO_ERROR, (char *)&opt, &optlen);
if (rc >= 0 && opt != 0) {
SocketErrorEventArgs sea;
sea.Code = opt;
#ifdef _WIN32
sea.Message = Win32Exception::FormatErrorCode(sea.Code);
#else /* _WIN32 */
sea.Message = PosixException::FormatErrorCode(sea.Code);
#endif /* _WIN32 */
OnError(sea);
}
Close();
return;
}
int Socket::ExceptionEventHandler(const EventArgs& ea)
{
HandleSocketError();
return 0;
}
bool Socket::WantsToRead(void) const
{
return false;
}
bool Socket::WantsToWrite(void) const
{
return false;
}