source: xplcommon/src/xplcommon/posix/LocalClientSocket.cc@ 15:b55872ac53a8

// Copyright (c) 2012 by István Váradi

// This file is part of libxplcommon, a common utility library for
// development related to X-Plane

// 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 "LocalClientSocket.h"

#include "Connector.h"
#include "LocalServerSocket.h"

#include <sys/socket.h>

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

using xplcommon::posix::LocalClientSocket;
using xplcommon::posix::Connector;

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

/**
 * The connector class used by the local client.
 */
class LocalClientSocket::LocalConnector : public Connector
{
private:
    /**
     * The reference to the corresponding socket's address.
     */
    const struct sockaddr_un& address;

public:
    /**
     * Create the connector for the given local client socket.
     */
    LocalConnector(LocalClientSocket* socket);

protected:
    /**
     * Get the address.
     */
    virtual const struct sockaddr* getAddress(size_t& addrlen);
};

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

inline
LocalClientSocket::LocalConnector::LocalConnector(LocalClientSocket* socket) :
    Connector(socket),
    address(socket->sun)
{
}

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

const struct sockaddr*
LocalClientSocket::LocalConnector::getAddress(size_t& addrlen)
{
    addrlen = sizeof(address);
    return reinterpret_cast<const struct sockaddr*>(&address);
}

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

LocalClientSocket::LocalClientSocket(const char* name, Waiter* waiter,
                                     size_t readingCapacity,
                                     size_t writingCapacity) :
    ClientSocket(AF_UNIX, SOCK_STREAM, waiter, 0,
                 readingCapacity, writingCapacity)
{
    sun.sun_family = AF_UNIX;
    LocalServerSocket::setupPath(sun, name);
}

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

Connector* LocalClientSocket::createConnector()
{
    return new LocalConnector(this);
}

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

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