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  1. /*
  2.  * Copyright (c) 2008 Lukas Mejdrech
  3.  * All rights reserved.
  4.  *
  5.  * Redistribution and use in source and binary forms, with or without
  6.  * modification, are permitted provided that the following conditions
  7.  * are met:
  8.  *
  9.  * - Redistributions of source code must retain the above copyright
  10.  *   notice, this list of conditions and the following disclaimer.
  11.  * - Redistributions in binary form must reproduce the above copyright
  12.  *   notice, this list of conditions and the following disclaimer in the
  13.  *   documentation and/or other materials provided with the distribution.
  14.  * - The name of the author may not be used to endorse or promote products
  15.  *   derived from this software without specific prior written permission.
  16.  *
  17.  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  18.  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  19.  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  20.  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  21.  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  22.  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  23.  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  24.  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25.  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  26.  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27.  */
  28.  
  29. /** @addtogroup tcp
  30.  *  @{
  31.  */
  32.  
  33. /** @file
  34.  *  \todo
  35.  */
  36.  
  37. #include <async.h>
  38. #include <stdio.h>
  39.  
  40. #include <ipc/ipc.h>
  41. #include <ipc/services.h>
  42.  
  43. #include "../../err.h"
  44. #include "../../messages.h"
  45. #include "../../modules.h"
  46. #include "../../structures/packet/packet_client.h"
  47.  
  48. #include "../../include/ip_client.h"
  49. #include "../../include/ip_interface.h"
  50. #include "../../include/ip_protocols.h"
  51. #include "../../include/icmp_interface.h"
  52.  
  53. #include "../../socket/socket_core.h"
  54.  
  55. #include "../tl_messages.h"
  56.  
  57. #include "tcp.h"
  58. #include "tcp_module.h"
  59.  
  60. /** Free ports pool start.
  61.  */
  62. #define TCP_FREE_PORTS_START    1025
  63.  
  64. /** Free ports pool end.
  65.  */
  66. #define TCP_FREE_PORTS_END      65535
  67.  
  68. /** TCP global data.
  69.  */
  70. tcp_globals_t   tcp_globals;
  71.  
  72. int tcp_received_msg( device_id_t device_id, packet_t packet, services_t receiver, services_t error );
  73.  
  74. /** Initializes the module.
  75.  */
  76. int tcp_initialize( async_client_conn_t client_connection ){
  77.     ERROR_DECLARE;
  78.  
  79.     fibril_rwlock_initialize( & tcp_globals.lock );
  80.     fibril_rwlock_write_lock( & tcp_globals.lock );
  81.     tcp_globals.icmp_phone = icmp_connect_module( SERVICE_ICMP );
  82.     if( tcp_globals.icmp_phone < 0 ){
  83.         return tcp_globals.icmp_phone;
  84.     }
  85.     tcp_globals.ip_phone = ip_bind_service( SERVICE_IP, IPPROTO_TCP, SERVICE_TCP, client_connection, tcp_received_msg );
  86.     if( tcp_globals.ip_phone < 0 ){
  87.         return tcp_globals.ip_phone;
  88.     }
  89.     ERROR_PROPAGATE( socket_ports_initialize( & tcp_globals.sockets ));
  90.     tcp_globals.last_used_port = TCP_FREE_PORTS_START - 1;
  91.     fibril_rwlock_write_unlock( & tcp_globals.lock );
  92.     return EOK;
  93. }
  94.  
  95. int tcp_received_msg( device_id_t device_id, packet_t packet, services_t receiver, services_t error ){
  96.     // TODO received
  97.     //  TODO remove debug dump:
  98.     uint8_t *   data;
  99.     data = packet_get_data( packet );
  100.     printf( "Receiving packet:\n\tid\t= %d\n\tlength\t= %d\n\tdata\t= %.2hhX %.2hhX %.2hhX %.2hhX:%.2hhX %.2hhX %.2hhX %.2hhX:%.2hhX %.2hhX %.2hhX %.2hhX:%.2hhX %.2hhX %.2hhX %.2hhX:%.2hhX %.2hhX %.2hhX %.2hhX:%.2hhX %.2hhX\n\t\t%.2hhX %.2hhX:%.2hhX %.2hhX %.2hhX %.2hhX:%.2hhX %.2hhX %.2hhX %.2hhX:%.2hhX %.2hhX %.2hhX %.2hhX:%.2hhX %.2hhX %.2hhX %.2hhX:%.2hhX %.2hhX %.2hhX %.2hhX:%.2hhX %.2hhX %.2hhX %.2hhX:%.2hhX %.2hhX %.2hhX %.2hhX:%.2hhX %.2hhX %.2hhX %.2hhX:%.2hhX %.2hhX %.2hhX %.2hhX\n", packet_get_id( packet ), packet_get_data_length( packet ), data[ 0 ], data[ 1 ], data[ 2 ], data[ 3 ], data[ 4 ], data[ 5 ], data[ 6 ], data[ 7 ], data[ 8 ], data[ 9 ], data[ 10 ], data[ 11 ], data[ 12 ], data[ 13 ], data[ 14 ], data[ 15 ], data[ 16 ], data[ 17 ], data[ 18 ], data[ 19 ], data[ 20 ], data[ 21 ], data[ 22 ], data[ 23 ], data[ 24 ], data[ 25 ], data[ 26 ], data[ 27 ], data[ 28 ], data[ 29 ], data[ 30 ], data[ 31 ], data[ 32 ], data[ 33 ], data[ 34 ], data[ 35 ], data[ 36 ], data[ 37 ], data[ 38 ], data[ 39 ], data[ 40 ], data[ 41 ], data[ 42 ], data[ 43 ], data[ 44 ], data[ 45 ], data[ 46 ], data[ 47 ], data[ 48 ], data[ 49 ], data[ 50 ], data[ 51 ], data[ 52 ], data[ 53 ], data[ 54 ], data[ 55 ], data[ 56 ], data[ 57 ], data[ 58 ], data[ 59 ] );
  101.     pq_release( tcp_globals.net_phone, packet_get_id( packet ));
  102.  
  103.     return EOK;
  104. }
  105.  
  106. int tcp_message( ipc_callid_t callid, ipc_call_t * call, ipc_call_t * answer, int * answer_count ){
  107.     ERROR_DECLARE;
  108.  
  109.     packet_t    packet;
  110.  
  111.     * answer_count = 0;
  112.     switch( IPC_GET_METHOD( * call )){
  113.         case IPC_M_PHONE_HUNGUP:
  114.             return EOK;
  115.         case NET_TL_RECEIVED:
  116.             ERROR_PROPAGATE( packet_translate( tcp_globals.net_phone, & packet, IPC_GET_PACKET( call )));
  117.             return tcp_received_msg( IPC_GET_DEVICE( call ), packet, SERVICE_TCP, IPC_GET_ERROR( call ));
  118.     }
  119.     return ENOTSUP;
  120. }
  121.  
  122. /** @}
  123.  */
  124.