91 lines
2.0 KiB
C++
91 lines
2.0 KiB
C++
/*
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* synergy -- mouse and keyboard sharing utility
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* Copyright (C) 2002 Chris Schoeneman
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*
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* This package is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* found in the file COPYING that should have accompanied this file.
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*
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* This package is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include "CTCPListenSocket.h"
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#include "CTCPSocket.h"
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#include "CNetworkAddress.h"
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#include "XIO.h"
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#include "XSocket.h"
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#include "CThread.h"
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//
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// CTCPListenSocket
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//
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CTCPListenSocket::CTCPListenSocket()
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{
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m_fd = CNetwork::socket(PF_INET, SOCK_STREAM, 0);
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if (m_fd == CNetwork::Null) {
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throw XSocketCreate();
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}
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}
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CTCPListenSocket::~CTCPListenSocket()
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{
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try {
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close();
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}
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catch (...) {
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// ignore
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}
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}
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void
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CTCPListenSocket::bind(const CNetworkAddress& addr)
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{
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if (CNetwork::bind(m_fd, addr.getAddress(),
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addr.getAddressLength()) == CNetwork::Error) {
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if (CNetwork::getsockerror() == CNetwork::kEADDRINUSE) {
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throw XSocketAddressInUse();
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}
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throw XSocketBind();
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}
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if (CNetwork::listen(m_fd, 3) == CNetwork::Error) {
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throw XSocketBind();
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}
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}
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IDataSocket*
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CTCPListenSocket::accept()
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{
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// accept asynchronously so we can check for cancellation
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CNetwork::PollEntry pfds[1];
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pfds[0].fd = m_fd;
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pfds[0].events = CNetwork::kPOLLIN;
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for (;;) {
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CThread::testCancel();
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const int status = CNetwork::poll(pfds, 1, 10);
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if (status > 0 && (pfds[0].revents & CNetwork::kPOLLIN) != 0) {
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CNetwork::Address addr;
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CNetwork::AddressLength addrlen = sizeof(addr);
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CNetwork::Socket fd = CNetwork::accept(m_fd, &addr, &addrlen);
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if (fd != CNetwork::Null) {
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return new CTCPSocket(fd);
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}
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}
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}
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}
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void
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CTCPListenSocket::close()
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{
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if (m_fd == CNetwork::Null) {
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throw XIOClosed();
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}
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if (CNetwork::close(m_fd) == CNetwork::Error) {
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throw XIOClose();
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}
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m_fd = CNetwork::Null;
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}
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