mirror of https://github.com/Icinga/icinga2.git
134 lines
2.2 KiB
C++
134 lines
2.2 KiB
C++
#include "i2-base.h"
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using namespace icinga;
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list<Socket::WeakPtr> Socket::Sockets;
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Socket::Socket(void)
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{
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m_FD = INVALID_SOCKET;
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}
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Socket::~Socket(void)
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{
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Close(true);
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}
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void Socket::Start(void)
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{
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OnException += bind_weak(&Socket::ExceptionEventHandler, shared_from_this());
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Sockets.push_front(static_pointer_cast<Socket>(shared_from_this()));
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}
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void Socket::Stop(void)
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{
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Sockets.remove_if(weak_ptr_eq_raw<Socket>(this));
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}
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void Socket::SetFD(SOCKET fd)
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{
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unsigned long lTrue = 1;
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if (fd != INVALID_SOCKET)
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ioctlsocket(fd, FIONBIO, &lTrue);
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m_FD = fd;
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}
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SOCKET Socket::GetFD(void) const
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{
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return m_FD;
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}
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void Socket::Close(void)
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{
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Close(false);
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}
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void Socket::Close(bool from_dtor)
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{
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if (m_FD != INVALID_SOCKET) {
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closesocket(m_FD);
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m_FD = INVALID_SOCKET;
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/* nobody can possibly have a valid event subscription when the destructor has been called */
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if (!from_dtor) {
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EventArgs::Ptr ea = make_shared<EventArgs>();
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ea->Source = shared_from_this();
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OnClosed(ea);
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}
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}
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if (!from_dtor)
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Stop();
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}
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string Socket::FormatErrorCode(int code)
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{
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char *message;
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string result = "Unknown socket error.";
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#ifdef _WIN32
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if (FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM, NULL, code, 0, (char *)&message, 0, NULL) != 0) {
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result = string(message);
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LocalFree(message);
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}
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#else /* _WIN32 */
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if (code != 0)
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message = strerror(code);
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result = string(message);
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#endif /* _WIN32 */
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return result;
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}
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int Socket::ExceptionEventHandler(EventArgs::Ptr ea)
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{
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int opt;
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socklen_t optlen = sizeof(opt);
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int rc = getsockopt(GetFD(), SOL_SOCKET, SO_ERROR, (char *)&opt, &optlen);
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if (rc < 0) {
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Close();
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return 0;
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}
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if (opt != 0) {
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SocketErrorEventArgs::Ptr ea = make_shared<SocketErrorEventArgs>();
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ea->Code = opt;
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ea->Message = FormatErrorCode(opt);
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OnError(ea);
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Close();
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}
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return 0;
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}
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void Socket::CloseAllSockets(void)
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{
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for (list<Socket::WeakPtr>::iterator i = Sockets.begin(); i != Sockets.end(); ) {
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Socket::Ptr socket = i->lock();
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i++;
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if (socket == NULL)
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continue;
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socket->Close();
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}
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}
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bool Socket::WantsToRead(void) const
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{
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return false;
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}
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bool Socket::WantsToWrite(void) const
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{
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return false;
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}
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