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  1. /*
  2.  * Copyright (c) 2009 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 socket
  30.  *  @{
  31.  */
  32.  
  33. /** @file
  34.  *  \todo
  35.  */
  36.  
  37. #ifndef __NET_SOCKET_CORE_H__
  38. #define __NET_SOCKET_CORE_H__
  39.  
  40. #include <sys/types.h>
  41.  
  42. #include "../include/in.h"
  43. #include "../include/device.h"
  44.  
  45. #include "../structures/generic_char_map.h"
  46. #include "../structures/dynamic_fifo.h"
  47. #include "../structures/int_map.h"
  48. #include "../structures/packet/packet.h"
  49.  
  50. #define SOCKET_INITIAL_RECEIVED_SIZE    4
  51. #define SOCKET_MAX_RECEIVED_SIZE        64
  52.  
  53. #define SOCKET_INITIAL_ACCEPTED_SIZE    1
  54. #define SOCKET_MAX_ACCEPTEDED_SIZE      64
  55.  
  56. /** \todo
  57.  */
  58. #define SOCKET_MAP_KEY_LISTENING    "L"
  59.  
  60. typedef struct socket_core  socket_core_t;
  61. typedef socket_core_t *     socket_core_ref;
  62.  
  63. typedef struct socket_port  socket_port_t;
  64. typedef socket_port_t *     socket_port_ref;
  65.  
  66. struct socket_core{
  67.     int             socket_id;
  68.     int             phone;
  69.     int             port;
  70.     dyn_fifo_t      received;
  71.     dyn_fifo_t      accepted;
  72.     void *          specific_data;
  73.     const char *    key;
  74.     size_t          key_length;
  75. };
  76.  
  77. INT_MAP_DECLARE( socket_cores, socket_core_t );
  78.  
  79. GENERIC_CHAR_MAP_DECLARE( socket_port_map, socket_core_ref );
  80.  
  81. INT_MAP_DECLARE( socket_ports, socket_port_t );
  82.  
  83. void    socket_cores_release( int packet_phone, socket_cores_ref local_sockets, socket_ports_ref global_sockets, void ( * socket_release )( socket_core_ref socket ));
  84.  
  85. int socket_bind( socket_cores_ref local_sockets, socket_ports_ref global_sockets, int socket_id, void * addr, size_t addrlen, int free_ports_start, int free_ports_end, int last_used_port );
  86. int socket_bind_free_port( socket_ports_ref global_sockets, socket_core_ref socket, int free_ports_start, int free_ports_end, int last_used_port );
  87. int socket_create( socket_cores_ref local_sockets, int app_phone, void * specific_data, int * socket_id );
  88. int socket_destroy( int packet_phone, int socket_id, socket_cores_ref local_sockets, socket_ports_ref global_sockets, void ( * socket_release )( socket_core_ref socket ));
  89. int socket_reply_packets( packet_t packet, size_t * length );
  90. socket_core_ref socket_port_find( socket_ports_ref global_sockets, int port, const char * key, size_t key_length );
  91. void    socket_port_release( socket_ports_ref global_sockets, socket_core_ref socket );
  92. int socket_port_add( socket_ports_ref global_sockets, int port, socket_core_ref socket, const char * key, size_t key_length );
  93.  
  94. #endif
  95.  
  96. /** @}
  97.  */
  98.