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/*
* Copyright (C) 2003-2014 The Music Player Daemon Project
* http://www.musicpd.org
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef MPD_SERVER_SOCKET_HXX
#define MPD_SERVER_SOCKET_HXX
#include <list>
#include <stddef.h>
struct sockaddr;
class EventLoop;
class Error;
class AllocatedPath;
typedef void (*server_socket_callback_t)(int fd,
const struct sockaddr *address,
size_t address_length, int uid,
void *ctx);
class OneServerSocket;
/**
* A socket that accepts incoming stream connections (e.g. TCP).
*/
class ServerSocket {
friend class OneServerSocket;
EventLoop &loop;
std::list<OneServerSocket> sockets;
unsigned next_serial;
public:
ServerSocket(EventLoop &_loop);
~ServerSocket();
EventLoop &GetEventLoop() {
return loop;
}
private:
OneServerSocket &AddAddress(const sockaddr &address, size_t length);
/**
* Add a listener on a port on all IPv4 interfaces.
*
* @param port the TCP port
*/
void AddPortIPv4(unsigned port);
/**
* Add a listener on a port on all IPv6 interfaces.
*
* @param port the TCP port
*/
void AddPortIPv6(unsigned port);
public:
/**
* Add a listener on a port on all interfaces.
*
* @param port the TCP port
* @param error_r location to store the error occurring, or nullptr to
* ignore errors
* @return true on success
*/
bool AddPort(unsigned port, Error &error);
/**
* Resolves a host name, and adds listeners on all addresses in the
* result set.
*
* @param hostname the host name to be resolved
* @param port the TCP port
* @param error_r location to store the error occurring, or nullptr to
* ignore errors
* @return true on success
*/
bool AddHost(const char *hostname, unsigned port, Error &error);
/**
* Add a listener on a Unix domain socket.
*
* @param path the absolute socket path
* @param error_r location to store the error occurring, or nullptr to
* ignore errors
* @return true on success
*/
bool AddPath(AllocatedPath &&path, Error &error);
/**
* Add a socket descriptor that is accepting connections. After this
* has been called, don't call server_socket_open(), because the
* socket is already open.
*/
bool AddFD(int fd, Error &error);
bool Open(Error &error);
void Close();
protected:
virtual void OnAccept(int fd, const sockaddr &address,
size_t address_length, int uid) = 0;
};
#endif
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