/*
 * Copyright (c) 2009 Lukas Mejdrech
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * - Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * - 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.
 * - The name of the author may not be used to endorse or promote products
 *   derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
 */

/** @addtogroup socket
 *  @{
 */

/** @file
 *  Socket messages.
 *  @see socket.h
 */


#ifndef __NET_SOCKET_MESSAGES_H__
#define __NET_SOCKET_MESSAGES_H__

#include <ipc/ipc.h>
#include <ipc/net.h>

#include <net/socket_codes.h>

/** Socket client messages.
 */
typedef enum{
	/** Creates a new socket.
	 *  @see socket()
	 */
	NET_SOCKET = NET_SOCKET_FIRST,
	/** Binds the socket.
	 *  @see bind()
	 */
	NET_SOCKET_BIND,
	/** Creates a new socket.
	 *  @see socket()
	 */
	NET_SOCKET_LISTEN,
	/** Accepts an incomming connection.
	 *  @see accept()
	 */
	NET_SOCKET_ACCEPT,
	/** Connects the socket.
	 *  @see connect()
	 */
	NET_SOCKET_CONNECT,
	/** Closes the socket.
	 *  @see closesocket()
	 */
	NET_SOCKET_CLOSE,
	/** Sends data via the stream socket.
	 *  @see send()
	 */
	NET_SOCKET_SEND,
	/** Sends data via the datagram socket.
	 *  @see sendto()
	 */
	NET_SOCKET_SENDTO,
	/** Receives data from the stream socket.
	 *  @see socket()
	 */
	NET_SOCKET_RECV,
	/** Receives data from the datagram socket.
	 *  @see socket()
	 */
	NET_SOCKET_RECVFROM,
	/** Gets the socket option.
	 *  @see getsockopt()
	 */
	NET_SOCKET_GETSOCKOPT,
	/** Sets the socket option.
	 *  @see setsockopt()
	 */
	NET_SOCKET_SETSOCKOPT,
	/** New socket for acceptence notification message.
	 */
	NET_SOCKET_ACCEPTED,
	/** New data received notification message.
	 */
	NET_SOCKET_RECEIVED,
	/** New socket data fragment size notification message.
	 */
	NET_SOCKET_DATA_FRAGMENT_SIZE
} socket_messages;

/** @name Socket specific message parameters definitions
 */
/*@{*/

/** Sets the socket identifier in the message answer.
 *  @param[out] answer The message answer structure.
 */
#define SOCKET_SET_SOCKET_ID(answer, value) \
	{ipcarg_t argument = (ipcarg_t) (value); IPC_SET_ARG1(answer, argument);}

/** Returns the socket identifier message parameter.
 *  @param[in] call The message call structure.
 */
#define SOCKET_GET_SOCKET_ID(call) \
	({int socket_id = (int) IPC_GET_ARG1(call); socket_id;})

/** Sets the read data length in the message answer.
 *  @param[out] answer The message answer structure.
 */
#define SOCKET_SET_READ_DATA_LENGTH(answer, value) \
	{ipcarg_t argument = (ipcarg_t) (value); IPC_SET_ARG1(answer, argument);}

/** Returns the read data length message parameter.
 *  @param[in] call The message call structure.
 */
#define SOCKET_GET_READ_DATA_LENGTH(call) \
	({int data_length = (int) IPC_GET_ARG1(call); data_length;})

/** Returns the backlog message parameter.
 *  @param[in] call The message call structure.
 */
#define SOCKET_GET_BACKLOG(call) \
	({int backlog = (int) IPC_GET_ARG2(call); backlog;})

/** Returns the option level message parameter.
 *  @param[in] call The message call structure.
 */
#define SOCKET_GET_OPT_LEVEL(call) \
	({int opt_level = (int) IPC_GET_ARG2(call); opt_level;})

/** Returns the data fragment size message parameter.
 *  @param[in] call The message call structure.
 */
#define SOCKET_GET_DATA_FRAGMENT_SIZE(call) \
	({size_t size = (size_t) IPC_GET_ARG2(call); size;})

/** Sets the data fragment size in the message answer.
 *  @param[out] answer The message answer structure.
 */
#define SOCKET_SET_DATA_FRAGMENT_SIZE(answer, value) \
	{ipcarg_t argument = (ipcarg_t) (value); IPC_SET_ARG2(answer, argument);}

/** Sets the address length in the message answer.
 *  @param[out] answer The message answer structure.
 */
#define SOCKET_SET_ADDRESS_LENGTH(answer, value) \
	{ipcarg_t argument = (ipcarg_t) (value); IPC_SET_ARG3(answer, argument);}

/** Returns the address length message parameter.
 *  @param[in] call The message call structure.
 */
#define SOCKET_GET_ADDRESS_LENGTH(call) \
	({socklen_t address_length = (socklen_t) IPC_GET_ARG3(call); address_length;})

/** Sets the header size in the message answer.
 *  @param[out] answer The message answer structure.
 */
#define SOCKET_SET_HEADER_SIZE(answer, value) \
	\
	{ipcarg_t argument = (ipcarg_t) (value); IPC_SET_ARG3(answer, argument);}

/** Returns the header size message parameter.
 *  @param[in] call The message call structure.
 */
#define SOCKET_GET_HEADER_SIZE(call) \
	({size_t size = (size_t) IPC_GET_ARG3(call); size;})

/** Returns the flags message parameter.
 *  @param[in] call The message call structure.
 */
#define SOCKET_GET_FLAGS(call) \
	({int flags = (int) IPC_GET_ARG4(call); flags;})

/** Returns the option name message parameter.
 *  @param[in] call The message call structure.
 */
#define SOCKET_GET_OPT_NAME(call) \
	({int opt_name = (int) IPC_GET_ARG4(call); opt_name;})

/** Returns the data fragments message parameter.
 *  @param[in] call The message call structure.
 */
#define SOCKET_GET_DATA_FRAGMENTS(call) \
	({int fragments = (int) IPC_GET_ARG5(call); fragments;})

/** Returns the new socket identifier message parameter.
 *  @param[in] call The message call structure.
 */
#define SOCKET_GET_NEW_SOCKET_ID(call) \
	({int socket_id = (int) IPC_GET_ARG5(call); socket_id;})

/*@}*/

#endif

/** @}
 */