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/*

 * 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 net

 *  @{

 */

/** @file

 *  Networking common message definitions.

 */

#ifndef __NET_MESSAGES_H__

#define __NET_MESSAGES_H__

#include <async.h>

#include <ipc/ipc.h>

#include <ipc/services.h>

#include "include/device.h"

#include "structures/measured_strings.h"

#include "structures/packet/packet.h"

/** @name Networking message counts

 */

/*@{*/

/** The number of network interface driver messages.

 */

#define NET_NETIF_COUNT		6

/** The number of general networking messages.

 */

#define NET_NET_COUNT		3

/** The number of network interface layer messages.

 */

#define NET_NIL_COUNT		7

/** The number of Ethernet messages.

 */

#define NET_ETH_COUNT		0

/** The number of inter-network messages.

 */

#define NET_IL_COUNT		6

/** The number of IP messages.

 */

#define NET_IP_COUNT		4

/** The number of ARP messages.

 */

#define NET_ARP_COUNT		5

/** The number of ICMP messages.

 */

#define NET_ICMP_COUNT		6

/** The number of transport layer messages.

 */

#define NET_TL_COUNT		1

/** The number of UDP messages.

 */

#define NET_UDP_COUNT		0

/** The number of TCP messages.

 */

#define NET_TCP_COUNT		0

/** The number of packet management system messages.

 */

#define NET_PACKET_COUNT	5

/** The number of socket messages.

 */

#define NET_SOCKET_COUNT	14

/*@}*/

/** @name Networking message intervals

 */

/*@{*/

/** The first networking message.

 */

#define NET_FIRST			2000

/** The first network interface layer message.

 */

#define NET_NETIF_FIRST		NET_FIRST

/** The last network interface layer message.

 */

#define NET_NETIF_LAST		( NET_NETIF_FIRST + NET_NETIF_COUNT )

/** The first general networking message.

 */

#define NET_NET_FIRST		( NET_NETIF_LAST + 0 )

/** The last general networking message.

 */

#define NET_NET_LAST		( NET_NET_FIRST + NET_NET_COUNT )

/** The first network interface layer message.

 */

#define NET_NIL_FIRST		( NET_NET_LAST + 0 )

/** The last network interface layer message.

 */

#define NET_NIL_LAST		( NET_NIL_FIRST + NET_NIL_COUNT )

/** The first Ethernet message.

 */

#define NET_ETH_FIRST		( NET_NIL_LAST + 0 )

/** The last Ethernet message.

 */

#define NET_ETH_LAST		( NET_ETH_FIRST + NET_ETH_COUNT )

/** The first inter-network message.

 */

#define NET_IL_FIRST		( NET_ETH_LAST + 0 )

/** The last inter-network message.

 */

#define NET_IL_LAST			( NET_IL_FIRST + NET_IL_COUNT )

/** The first IP message.

 */

#define NET_IP_FIRST		( NET_IL_LAST + 0 )

/** The last IP message.

 */

#define NET_IP_LAST			( NET_IP_FIRST + NET_IP_COUNT )

/** The first ARP message.

 */

#define NET_ARP_FIRST		( NET_IP_LAST + 0 )

/** The last ARP message.

 */

#define NET_ARP_LAST		( NET_ARP_FIRST + NET_ARP_COUNT )

/** The first ICMP message.

 */

#define NET_ICMP_FIRST		( NET_ARP_LAST + 0 )

/** The last ICMP message.

 */

#define NET_ICMP_LAST		( NET_ICMP_FIRST + NET_ICMP_COUNT )

/** The first ICMP message.

 */

#define NET_TL_FIRST		( NET_ICMP_LAST + 0 )

/** The last ICMP message.

 */

#define NET_TL_LAST			( NET_TL_FIRST + NET_TL_COUNT )

/** The first UDP message.

 */

#define NET_UDP_FIRST		( NET_TL_LAST + 0 )

/** The last UDP message.

 */

#define NET_UDP_LAST		( NET_UDP_FIRST + NET_UDP_COUNT )

/** The first TCP message.

 */

#define NET_TCP_FIRST		( NET_UDP_LAST + 0 )

/** The last TCP message.

 */

#define NET_TCP_LAST		( NET_TCP_FIRST + NET_TCP_COUNT )

/** The first socket message.

 */

#define NET_SOCKET_FIRST	( NET_TCP_LAST + 0 )

/** The last socket message.

 */

#define NET_SOCKET_LAST		( NET_SOCKET_FIRST + NET_SOCKET_COUNT )

/** The first packet management system message.

 */

#define NET_PACKET_FIRST	( NET_SOCKET_LAST + 0 )

/** The last packet management system message.

 */

#define NET_PACKET_LAST		( NET_PACKET_FIRST + NET_PACKET_COUNT )

/** The last networking message.

 */

#define NET_LAST			NET_PACKET_LAST

/** The number of networking messages.

 */

#define NET_COUNT			( NET_LAST - NET_FIRST )

/** Returns a value indicating whether the value is in the interval.

 *  @param[in] item The value to be checked.

 *  @param[in] first_inclusive The first value in the interval inclusive.

 *  @param[in] last_exclusive The first value after the interval.

 */

#define IS_IN_INTERVAL( item, first_inclusive, last_exclusive )	((( item ) >= ( first_inclusive )) && (( item ) < ( last_exclusive )))

/** Returns a value indicating whether the IPC call is a generic networking message.

 *  @param[in] call The IPC call to be checked.

 */

#define IS_NET_MESSAGE( call )			IS_IN_INTERVAL( IPC_GET_METHOD( * call ), NET_FIRST, NET_LAST )

/** Returns a value indicating whether the IPC call is a generic networking message.

 *  @param[in] call The IPC call to be checked.

 */

#define IS_NET_NET_MESSAGE( call )		IS_IN_INTERVAL( IPC_GET_METHOD( * call ), NET_NET_FIRST, NET_NET_LAST )

/** Returns a value indicating whether the IPC call is a network interface layer message.

 *  @param[in] call The IPC call to be checked.

 */

#define IS_NET_NIL_MESSAGE( call )		IS_IN_INTERVAL( IPC_GET_METHOD( * call ), NET_NIL_FIRST, NET_NIL_LAST )

/** Returns a value indicating whether the IPC call is an Ethernet message.

 *  @param[in] call The IPC call to be checked.

 */

#define IS_NET_ETH_MESSAGE( call )		IS_IN_INTERVAL( IPC_GET_METHOD( * call ), NET_ETH_FIRST, NET_ETH_LAST )

/** Returns a value indicating whether the IPC call is an inter-network layer message.

 *  @param[in] call The IPC call to be checked.

 */

#define IS_NET_IL_MESSAGE( call )		IS_IN_INTERVAL( IPC_GET_METHOD( * call ), NET_IL_FIRST, NET_IL_LAST )

/** Returns a value indicating whether the IPC call is an IP message.

 *  @param[in] call The IPC call to be checked.

 */

#define IS_NET_IP_MESSAGE( call )		IS_IN_INTERVAL( IPC_GET_METHOD( * call ), NET_IP_FIRST, NET_IP_LAST )

/** Returns a value indicating whether the IPC call is an ARP message.

 *  @param[in] call The IPC call to be checked.

 */

#define IS_NET_ARP_MESSAGE( call )		IS_IN_INTERVAL( IPC_GET_METHOD( * call ), NET_ARP_FIRST, NET_ARP_LAST )

/** Returns a value indicating whether the IPC call is an ICMP message.

 *  @param[in] call The IPC call to be checked.

 */

#define IS_NET_ICMP_MESSAGE( call )		IS_IN_INTERVAL( IPC_GET_METHOD( * call ), NET_ICMP_FIRST, NET_ICMP_LAST )

/** Returns a value indicating whether the IPC call is a transport layer message.

 *  @param[in] call The IPC call to be checked.

 */

#define IS_NET_TL_MESSAGE( call )		IS_IN_INTERVAL( IPC_GET_METHOD( * call ), NET_TL_FIRST, NET_TL_LAST )

/** Returns a value indicating whether the IPC call is a UDP message.

 *  @param[in] call The IPC call to be checked.

 */

#define IS_NET_UDP_MESSAGE( call )		IS_IN_INTERVAL( IPC_GET_METHOD( * call ), NET_UDP_FIRST, NET_UDP_LAST )

/** Returns a value indicating whether the IPC call is a TCP message.

 *  @param[in] call The IPC call to be checked.

 */

#define IS_NET_TCP_MESSAGE( call )		IS_IN_INTERVAL( IPC_GET_METHOD( * call ), NET_TCP_FIRST, NET_TCP_LAST )

/** Returns a value indicating whether the IPC call is a socket message.

 *  @param[in] call The IPC call to be checked.

 */

#define IS_NET_SOCKET_MESSAGE( call )	IS_IN_INTERVAL( IPC_GET_METHOD( * call ), NET_SOCKET_FIRST, NET_SOCKET_LAST )

/** Returns a value indicating whether the IPC call is a packet manaagement system message.

 *  @param[in] call The IPC call to be checked.

 */

#define IS_NET_PACKET_MESSAGE( call )	IS_IN_INTERVAL( IPC_GET_METHOD( * call ), NET_PACKET_FIRST, NET_PACKET_LAST )

/*@}*/

/** @name Networking specific message parameters definitions

 */

/*@{*/

/** Returns the device identifier message parameter.

 *  @param[in] call The message call structure.

 */

#define IPC_GET_DEVICE( call )		( device_id_t ) IPC_GET_ARG1( * call )

/** Returns the packet identifier message parameter.

 *  @param[in] call The message call structure.

 */

#define IPC_GET_PACKET( call )		( packet_id_t ) IPC_GET_ARG2( * call )

/** Returns the count message parameter.

 *  @param[in] call The message call structure.

 */

#define IPC_GET_COUNT( call )		( size_t ) IPC_GET_ARG2( * call )

/** Returns the device state message parameter.

 *  @param[in] call The message call structure.

 */

#define IPC_GET_STATE( call )		( device_state_t ) IPC_GET_ARG2( * call )

/** Returns the maximum transmission unit message parameter.

 *  @param[in] call The message call structure.

 */

#define IPC_GET_MTU( call )			( size_t ) IPC_GET_ARG2( * call )

/** Returns the device driver service message parameter.

 *  @param[in] call The message call structure.

 */

#define IPC_GET_SERVICE( call )		( services_t ) IPC_GET_ARG3( * call )

/** Returns the target service message parameter.

 *  @param[in] call The message call structure.

 */

#define IPC_GET_TARGET( call )		( services_t ) IPC_GET_ARG3( * call )

/** Returns the sender service message parameter.

 *  @param[in] call The message call structure.

 */

#define IPC_GET_SENDER( call )		( services_t ) IPC_GET_ARG3( * call )

/** Returns the error service message parameter.

 *  @param[in] call The message call structure.

 */

#define IPC_GET_ERROR( call )		( services_t ) IPC_GET_ARG4( * call )

/** Returns the phone message parameter.

 *  @param[in] call The message call structure.

 */

#define IPC_GET_PHONE( call )		( int ) IPC_GET_ARG5( * call )

/** Sets the device identifier in the message answer.

 *  @param[out] answer The message answer structure.

 */

#define IPC_SET_DEVICE( answer )	(( device_id_t * ) & IPC_GET_ARG1( * answer ))

/** Sets the minimum address length in the message answer.

 *  @param[out] answer The message answer structure.

 */

#define IPC_SET_ADDR( answer )		(( size_t * ) & IPC_GET_ARG1( * answer ))

/** Sets the minimum prefix size in the message answer.

 *  @param[out] answer The message answer structure.

 */

#define IPC_SET_PREFIX( answer )	(( size_t * ) & IPC_GET_ARG2( * answer ))

/** Sets the maximum content size in the message answer.

 *  @param[out] answer The message answer structure.

 */

#define IPC_SET_CONTENT( answer )	(( size_t * ) & IPC_GET_ARG3( * answer ))

/** Sets the minimum suffix size in the message answer.

 *  @param[out] answer The message answer structure.

 */

#define IPC_SET_SUFFIX( answer )	(( size_t * ) & IPC_GET_ARG4( * answer ))

/*@}*/

/** Returns the address.

 *  @param[in] phone The service module phone.

 *  @param[in] message The service specific message.

 *  @param[in] device_id The device identifier.

 *  @param[out] address The desired address.

 *  @param[out] data The address data container.

 *  @returns EOK on success.

 *  @returns EBADMEM if the address parameter and/or the data parameter is NULL.

 *  @returns Other error codes as defined for the specific service message.

 */

static inline int generic_get_addr_req( int phone, int message, device_id_t device_id, measured_string_ref * address, char ** data ){

	aid_t			message_id;

	ipcarg_t		result;

	int				string;

	if( !( address && data )) return EBADMEM;

	message_id = async_send_1( phone, ( ipcarg_t ) message, ( ipcarg_t ) device_id, NULL );

	string = measured_strings_return( phone, address, data, 1 );

	async_wait_for( message_id, & result );

	if(( string == EOK ) && ( result != EOK )){

		free( * address );

		free( * data );

	}

	return ( int ) result;

}

/** Translates the given strings.

 *  Allocates and returns the needed memory block as the data parameter.

 *  @param[in] phone The service module phone.

 *  @param[in] message The service specific message.

 *  @param[in] device_id The device identifier.

 *  @param[in] service The module service.

 *  @param[in] configuration The key strings.

 *  @param[in] count The number of configuration keys.

 *  @param[out] translation The translated values.

 *  @param[out] data The translation data container.

 *  @returns EOK on success.

 *  @returns EINVAL if the configuration parameter is NULL.

 *  @returns EINVAL if the count parameter is zero (0).

 *  @returns EBADMEM if the translation or the data parameters are NULL.

 *  @returns Other error codes as defined for the specific service message.

 */

static inline int	generic_translate_req( int phone, int message, device_id_t device_id, services_t service, measured_string_ref configuration, size_t count, measured_string_ref * translation, char ** data ){

	aid_t			message_id;

	ipcarg_t		result;

	int				string;

	if( !( configuration && ( count > 0 ))) return EINVAL;

	if( !( translation && data )) return EBADMEM;

	message_id = async_send_3( phone, ( ipcarg_t ) message, ( ipcarg_t ) device_id, ( ipcarg_t ) count, ( ipcarg_t ) service, NULL );

	measured_strings_send( phone, configuration, count );

	string = measured_strings_return( phone, translation, data, count );

	async_wait_for( message_id, & result );

	if(( string == EOK ) && ( result != EOK )){

		free( * translation );

		free( * data );

	}

	return ( int ) result;

}

/** Sends the packet queue.

 *  @param[in] phone The service module phone.

 *  @param[in] message The service specific message.

 *  @param[in] device_id The device identifier.

 *  @param[in] packet_id The packet or the packet queue identifier.

 *  @param[in] sender The sending module service.

 *  @param[in] error The error module service.

 *  @returns EOK on success.

 */

static inline int	generic_send_msg( int phone, int message, device_id_t device_id, packet_id_t packet_id, services_t sender, services_t error ){

	if( error ){

		async_msg_4( phone, ( ipcarg_t ) message, ( ipcarg_t ) device_id, ( ipcarg_t ) packet_id, ( ipcarg_t ) sender, ( ipcarg_t ) error );

	}else{

		async_msg_3( phone, ( ipcarg_t ) message, ( ipcarg_t ) device_id, ( ipcarg_t ) packet_id, ( ipcarg_t ) sender );

	}

	return EOK;

}

/** Returns the device packet dimensions for sending.

 *  @param[in] phone The service module phone.

 *  @param[in] message The service specific message.

 *  @param[in] device_id The device identifier.

 *  @param[out] addr_len The minimum reserved address length.

 *  @param[out] prefix The minimum reserved prefix size.

 *  @param[out] content The maximum content size.

 *  @param[out] suffix The minimum reserved suffix size.

 *  @returns EOK on success.

 *  @returns Other error codes as defined for the specific service message.

 */

static inline int	generic_packet_size_req( int phone, int message, device_id_t device_id, size_t * addr_len, size_t * prefix, size_t * content, size_t * suffix ){

	return ( int ) async_req_1_4( phone, ( ipcarg_t ) message, ( ipcarg_t ) device_id, ( ipcarg_t * ) addr_len, ( ipcarg_t * ) prefix, ( ipcarg_t * ) content, ( ipcarg_t * ) suffix );

}

/** Notifies the module about the device state change.

 *  @param[in] phone The service module phone.

 *  @param[in] message The service specific message.

 *  @param[in] device_id The device identifier.

 *  @param[in] state The new device state.

 *  @param[in] target The target module service.

 *  @returns EOK on success.

 */

static inline int	generic_device_state_msg( int phone, int message, device_id_t device_id, int state, services_t target ){

	async_msg_3( phone, ( ipcarg_t ) message, ( ipcarg_t ) device_id, ( ipcarg_t ) state, target );

	return EOK;

}

/** Passes the packet queue to the module.

 *  @param[in] phone The service module phone.

 *  @param[in] message The service specific message.

 *  @param[in] device_id The device identifier.

 *  @param[in] packet_id The received packet or the received packet queue identifier.

 *  @param[in] target The target module service.

 *  @param[in] error The error module service.

 *  @returns EOK on success.

 */

static inline int	generic_received_msg( int phone, int message, device_id_t device_id, packet_id_t packet_id, services_t target, services_t error ){

	if( error ){

		async_msg_4( phone, ( ipcarg_t ) message, ( ipcarg_t ) device_id, ( ipcarg_t ) packet_id, ( ipcarg_t ) target, ( ipcarg_t ) error );

	}else{

		async_msg_3( phone, ( ipcarg_t ) message, ( ipcarg_t ) device_id, ( ipcarg_t ) packet_id, ( ipcarg_t ) target );

	}

	return EOK;

}

/** Notifies a module about the device.

 *  @param[in] phone The service module phone.

 *  @param[in] message The service specific message.

 *  @param[in] device_id The device identifier.

 *  @param[in] arg2 The second argument of the message.

 *  @param[in] service The device module service.

 *  @returns EOK on success.

 *  @returns Other error codes as defined for the specific service message.

 */

static inline int	generic_device_req( int phone, int message, device_id_t device_id, int arg2, services_t service ){

	return ( int ) async_req_3_0( phone, ( ipcarg_t ) message, ( ipcarg_t ) device_id, ( ipcarg_t ) arg2, ( ipcarg_t ) service );

}

#endif

/** @}

 */