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Ignore whitespace Rev 3911 → Rev 3912

/branches/network/uspace/srv/net/structures/packet/packet_client.c
1,5 → 1,5
/*
* Copyright (c) 2008 Lukas Mejdrech
* Copyright (c) 2009 Lukas Mejdrech
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
26,11 → 26,12
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup net
/** @addtogroup packet
* @{
*/
 
/** @file
* Packet client implementation.
*/
 
#include <async.h>
50,6 → 51,16
#include "packet_header.h"
#include "packet_client.h"
 
/** Obtains the packet from the packet server as the shared memory block.
* Creates the local packet mapping as well.
* @param phone The packet server module phone. Input parameter.
* @param packet The packet reference pointer to store the received packet reference. Output parameter.
* @param packet_id The packet identifier. Input parameter.
* @param size The packet total size in bytes. Input parameter.
* @returns EOK on success.
* \todo ipc_share_in_start() error?
* @returns Other error codes as defined for the pm_add() function.
*/
int packet_return( int phone, packet_ref packet, packet_id_t packet_id, size_t size );
 
packet_t packet_copy( int phone, services_t owner, const packet_t packet ){
74,31 → 85,33
return EOK;
}
 
void * packet_prepend( packet_t packet, size_t length ){
void * packet_prefix( packet_t packet, size_t length ){
if(( ! packet_is_valid( packet )) || ( packet->data_start - sizeof( struct packet ) - 2 * packet->addr_len < length )) return NULL;
packet->data_start -= length;
return ( void * ) packet + packet->data_start;
}
 
void * packet_append( packet_t packet, size_t length ){
void * packet_suffix( packet_t packet, size_t length ){
if(( ! packet_is_valid( packet )) || ( packet->data_end + length >= packet->length )) return NULL;
packet->data_end += length;
return ( void * ) packet + packet->data_end - length;
}
 
int packet_trim( packet_t packet, size_t prefix, size_t sufix ){
if(( ! packet_is_valid( packet )) || ( prefix + sufix > packet->data_end - packet->data_start )) return EINVAL;
int packet_trim( packet_t packet, size_t prefix, size_t suffix ){
if( ! packet_is_valid( packet )) return EINVAL;
if( prefix + suffix > packet->data_end - packet->data_start ) return ENOMEM;
packet->data_start += prefix;
packet->data_end -= sufix;
packet->data_end -= suffix;
return EOK;
}
 
packet_id_t packet_get_id( packet_t packet ){
packet_id_t packet_get_id( const packet_t packet ){
return packet_is_valid( packet ) ? packet->packet_id : 0;
}
 
int packet_get_addr( const packet_t packet, uint8_t ** src, uint8_t ** dest ){
if( !( packet_is_valid( packet ) && src && dest )) return 0;
if( !( packet_is_valid( packet ) && src && dest )) return EINVAL;
if( ! packet->addr_len ) return 0;
* src = ( void * ) packet + packet->src_addr;
* dest = ( void * ) packet + packet->dest_addr;
return packet->addr_len;
116,13 → 129,14
 
packet_mode_t packet_get_mode( const packet_t packet ){
if( packet_is_valid( packet )) return packet->mode;
return PM_ONEWAY;
return PM_ONE_WAY;
}
 
int packet_set_addr( packet_t packet, const uint8_t * src, const uint8_t * dest, size_t addr_len ){
size_t padding;
 
if( !( packet_is_valid( packet ) && ( packet->addr_len >= addr_len ))) return EINVAL;
if( ! packet_is_valid( packet )) return EINVAL;
if( packet->addr_len >= addr_len ) return ENOMEM;
padding = packet->addr_len - addr_len;
if( src ){
memcpy(( void * ) packet + packet->src_addr, src, addr_len );
168,20 → 182,21
 
aid_t message;
ipc_call_t answer;
ipcarg_t result;
 
message = async_send_1( phone, NET_PACKET_GET, packet_id, & answer );
* packet = ( packet_t ) as_get_mappable_page( size );
if( ERROR_OCCURED( ipc_share_in_start_0_0( phone, * packet, size ))
|| ERROR_OCCURED( pm_add( * packet ))){
if( ERROR_OCCURRED( ipc_share_in_start_0_0( phone, * packet, size ))
|| ERROR_OCCURRED( pm_add( * packet ))){
munmap( * packet, size );
async_wait_for( message, NULL );
return ERROR_CODE;
}
async_wait_for( message, NULL );
return EOK;
async_wait_for( message, & result );
return result;
}
 
packet_t packet_get_5( int phone, services_t owner, size_t max_content, size_t addr_len, size_t max_prefix, size_t max_sufix ){
packet_t packet_get_5( int phone, services_t owner, size_t max_content, size_t addr_len, size_t max_prefix, size_t max_suffix ){
ERROR_DECLARE;
 
packet_id_t packet_id;
188,8 → 203,8
unsigned int size;
packet_t packet;
 
if( ERROR_OCCURED( async_req_5_2( phone, NET_PACKET_CREATE_5, owner, max_content, addr_len, max_prefix, max_sufix, & packet_id, & size ))
|| ERROR_OCCURED( packet_return( phone, & packet, packet_id, size ))){
if( ERROR_OCCURRED( async_req_5_2( phone, NET_PACKET_CREATE_5, owner, max_content, addr_len, max_prefix, max_suffix, & packet_id, & size ))
|| ERROR_OCCURRED( packet_return( phone, & packet, packet_id, size ))){
return NULL;
}
return packet;
202,8 → 217,8
unsigned int size;
packet_t packet;
 
if( ERROR_OCCURED( async_req_2_2( phone, NET_PACKET_CREATE_1, owner, content, & packet_id, & size ))
|| ERROR_OCCURED( packet_return( phone, & packet, packet_id, size ))){
if( ERROR_OCCURRED( async_req_2_2( phone, NET_PACKET_CREATE_1, owner, content, & packet_id, & size ))
|| ERROR_OCCURRED( packet_return( phone, & packet, packet_id, size ))){
return NULL;
}
return packet;