source: vscpl/src/hu/varadiistvan/scpl/io/_win32/TCPConnector.cc@ 33:ba64bedf956d

// Copyright (c) 2022 by István Váradi

// This file is part of VSCPL, a simple cross-platform utility library

// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:

// 1. Redistributions of source code must retain the above copyright notice, this
//    list of conditions and the following disclaimer.
// 2. Redistributions in binary form must reproduce the above copyright notice,
//    this list of conditions and the following disclaimer in the documentation
//    and/or other materials provided with the distribution.

// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
// ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
// ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

// The views and conclusions contained in the software and documentation are those
// of the authors and should not be interpreted as representing official policies,
// either expressed or implied, of the FreeBSD Project.

//------------------------------------------------------------------------------

#include "TCPConnector.h"

#include <cstdio>

//------------------------------------------------------------------------------

using hu::varadiistvan::scpl::io::TCPConnector;

//------------------------------------------------------------------------------

bool TCPConnector::connect()
{
    if (connected) return true;
    if (failed()) return false;

    bool result = false;
    if (checkWaitedResult(result)) {
        return result;
    }

    if (overlapped!=0) {
        overlapped->reset();
        socket.setNonBlocking(*overlapped, FD_CONNECT|FD_CLOSE);
    }

    if (socket.connect(address)) {
        connected = true;
        return true;
    } else {
        if (!socket.failed()) {
            if (overlapped!=0) {
                socket.addToWaiter(*overlapped);
            }
        }
        return false;
    }
}

//------------------------------------------------------------------------------

void TCPConnector::handleWaitedResult(DWORD size)
{
    connected = true;
}

//------------------------------------------------------------------------------

// Local Variables:
// mode: C++
// c-basic-offset: 4
// indent-tabs-mode: nil
// End: