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  1. /***************************************************************************
  2. * Copyright (C) 2005 by Dominic Rath *
  3. * Dominic.Rath@gmx.de *
  4. * *
  5. * Copyright (C) 2007,2008 √ėyvind Harboe *
  6. * oyvind.harboe@zylin.com *
  7. * *
  8. * Copyright (C) 2008 by Spencer Oliver *
  9. * spen@spen-soft.co.uk *
  10. * *
  11. * This program is free software; you can redistribute it and/or modify *
  12. * it under the terms of the GNU General Public License as published by *
  13. * the Free Software Foundation; either version 2 of the License, or *
  14. * (at your option) any later version. *
  15. * *
  16. * This program is distributed in the hope that it will be useful, *
  17. * but WITHOUT ANY WARRANTY; without even the implied warranty of *
  18. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
  19. * GNU General Public License for more details. *
  20. * *
  21. * You should have received a copy of the GNU General Public License *
  22. * along with this program; if not, write to the *
  23. * Free Software Foundation, Inc., *
  24. * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
  25. ***************************************************************************/
  26. #ifndef SERVER_H
  27. #define SERVER_H
  28. #include <helper/log.h>
  29. #ifdef HAVE_NETINET_IN_H
  30. #include <netinet/in.h>
  31. #endif
  32. enum connection_type {
  33. CONNECTION_TCP,
  34. CONNECTION_PIPE,
  35. CONNECTION_STDINOUT
  36. };
  37. struct connection {
  38. int fd;
  39. int fd_out; /* When using pipes we're writing to a different fd */
  40. struct sockaddr_in sin;
  41. struct command_context *cmd_ctx;
  42. struct service *service;
  43. int input_pending;
  44. void *priv;
  45. struct connection *next;
  46. };
  47. typedef int (*new_connection_handler_t)(struct connection *connection);
  48. typedef int (*input_handler_t)(struct connection *connection);
  49. typedef int (*connection_closed_handler_t)(struct connection *connection);
  50. struct service {
  51. const char *name;
  52. enum connection_type type;
  53. const char *port;
  54. unsigned short portnumber;
  55. int fd;
  56. struct sockaddr_in sin;
  57. int max_connections;
  58. struct connection *connections;
  59. new_connection_handler_t new_connection;
  60. input_handler_t input;
  61. connection_closed_handler_t connection_closed;
  62. void *priv;
  63. struct service *next;
  64. };
  65. int add_service(char *name, const char *port,
  66. int max_connections, new_connection_handler_t new_connection_handler,
  67. input_handler_t in_handler, connection_closed_handler_t close_handler,
  68. void *priv);
  69. int server_preinit(void);
  70. int server_init(struct command_context *cmd_ctx);
  71. int server_quit(void);
  72. int server_loop(struct command_context *command_context);
  73. int server_register_commands(struct command_context *context);
  74. int connection_write(struct connection *connection, const void *data, int len);
  75. int connection_read(struct connection *connection, void *data, int len);
  76. /**
  77. * Used by server_loop(), defined in server_stubs.c
  78. */
  79. void openocd_sleep_prelude(void);
  80. /**
  81. * Used by server_loop(), defined in server_stubs.c
  82. */
  83. void openocd_sleep_postlude(void);
  84. /**
  85. * Defines an extended command handler function declaration to enable
  86. * access to (and manipulation of) the server port number.
  87. * Call server_port like a normal COMMAND_HANDLER with an extra @a out parameter
  88. * to receive the specified port number.
  89. */
  90. #define SERVER_PIPE_COMMAND() \
  91. COMMAND_HELPER(server_pipe_command, const char **out)
  92. SERVER_PIPE_COMMAND();
  93. #define SERVER_PORT_COMMAND() \
  94. COMMAND_HELPER(server_port_command, unsigned short *out)
  95. SERVER_PORT_COMMAND();
  96. #define ERROR_SERVER_REMOTE_CLOSED (-400)
  97. #define ERROR_CONNECTION_REJECTED (-401)
  98. #endif /* SERVER_H */