| 0,0 → 1,125 |
|---|
| /* |
| * 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 packet |
| * @{ |
| */ |
| |
| /** |
| * @file |
| */ |
| |
| #include <async.h> |
| |
| #include <ipc/ipc.h> |
| #include <sys/mman.h> |
| |
| #include "../../err.h" |
| #include "../../messages.h" |
| |
| #include "packet.h" |
| #include "packet_client.h" |
| #include "packet_messages.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 ); |
| |
| int packet_translate( int phone, packet_ref packet, packet_id_t packet_id ){ |
| ERROR_DECLARE; |
| |
| unsigned int size; |
| |
| if( ! packet ) return EINVAL; |
| * packet = pm_find( packet_id ); |
| if( * packet ) return EOK; |
| ERROR_PROPAGATE( async_req_1_1( phone, NET_PACKET_GET_SIZE, packet_id, & size )); |
| return packet_return( phone, packet, packet_id, size ); |
| } |
| |
| int packet_return( int phone, packet_ref packet, packet_id_t packet_id, size_t size ){ |
| ERROR_DECLARE; |
| |
| 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_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, & result ); |
| return result; |
| } |
| |
| packet_t packet_get_4( int phone, size_t max_content, size_t addr_len, size_t max_prefix, size_t max_suffix ){ |
| ERROR_DECLARE; |
| |
| packet_id_t packet_id; |
| unsigned int size; |
| packet_t packet; |
| |
| if( ERROR_OCCURRED( async_req_4_2( phone, NET_PACKET_CREATE_4, max_content, addr_len, max_prefix, max_suffix, ( ipcarg_t * ) & packet_id, & size )) |
| || ERROR_OCCURRED( packet_return( phone, & packet, packet_id, size ))){ |
| return NULL; |
| } |
| return packet; |
| } |
| |
| packet_t packet_get_1( int phone, size_t content ){ |
| ERROR_DECLARE; |
| |
| packet_id_t packet_id; |
| unsigned int size; |
| packet_t packet; |
| |
| if( ERROR_OCCURRED( async_req_1_2( phone, NET_PACKET_CREATE_1, content, ( ipcarg_t * ) & packet_id, & size )) |
| || ERROR_OCCURRED( packet_return( phone, & packet, packet_id, size ))){ |
| return NULL; |
| } |
| return packet; |
| } |
| |
| void pq_release( int phone, packet_id_t packet_id ){ |
| async_msg_1( phone, NET_PACKET_RELEASE, packet_id ); |
| } |
| |
| /** @} |
| */ |
| Property changes: |
|---|
| Added: svn:eol-style |
|---|
| +native |
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| \ No newline at end of property |
|---|