src/server/server.h

   1 /***************************************************************************
   2  *   Copyright (C) 2005 by Dominic Rath                                    *
   3  *   Dominic.Rath@gmx.de                                                   *
   4  *                                                                         *
   5  *   Copyright (C) 2007,2008 Øyvind 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
  29 #include <helper/log.h>
  30
  31 #ifdef HAVE_NETINET_IN_H
  32 #include <netinet/in.h>
  33 #endif
  34
  35 enum connection_type
  36 {
  37         CONNECTION_TCP,
  38         CONNECTION_PIPE
  39 };
  40
  41 struct connection
  42 {
  43         int fd;
  44         struct sockaddr_in sin;
  45         struct command_context *cmd_ctx;
  46         struct service *service;
  47         int input_pending;
  48         void *priv;
  49         struct connection *next;
  50 };
  51
  52 typedef int (*new_connection_handler_t)(struct connection *connection);
  53 typedef int (*input_handler_t)(struct connection *connection);
  54 typedef int (*connection_closed_handler_t)(struct connection *connection);
  55
  56 struct service
  57 {
  58         char *name;
  59         enum connection_type type;
  60         unsigned short port;
  61         int fd;
  62         struct sockaddr_in sin;
  63         int max_connections;
  64         struct connection *connections;
  65         new_connection_handler_t new_connection;
  66         input_handler_t input;
  67         connection_closed_handler_t connection_closed;
  68         void *priv;
  69         struct service *next;
  70 };
  71
  72 int add_service(char *name, enum connection_type type, unsigned short port,
  73                 int max_connections, new_connection_handler_t new_connection_handler,
  74                 input_handler_t in_handler, connection_closed_handler_t close_handler,
  75                 void *priv);
  76
  77 int server_init(struct command_context *cmd_ctx);
  78 int server_quit(void);
  79
  80 int server_loop(struct command_context *command_context);
  81
  82 int server_register_commands(struct command_context *context);
  83
  84 /**
  85  * Used by server_loop(), defined in server_stubs.c, httpd.c, or ecosboard.c
  86  */
  87 void openocd_sleep_prelude(void);
  88 /**
  89  * Used by server_loop(), defined in server_stubs.c, httpd.c, or ecosboard.c
  90  */
  91 void openocd_sleep_postlude(void);
  92
  93 /**
  94  * Defines an extended command handler function declaration to enable
  95  * access to (and manipulation of) the server port number.
  96  * Call server_port like a normal COMMAND_HANDLER with an extra @a out parameter
  97  * to receive the specified port number.
  98  */
  99 #define SERVER_PORT_COMMAND() \
 100                 COMMAND_HELPER(server_port_command, unsigned short *out)
 101
 102 SERVER_PORT_COMMAND();
 103
 104 extern int server_use_pipes;
 105
 106 #define ERROR_SERVER_REMOTE_CLOSED      (-400)
 107 #define ERROR_CONNECTION_REJECTED       (-401)
 108
 109 #endif /* SERVER_H */