00001 /* 00002 * Asterisk -- An open source telephony toolkit. 00003 * 00004 * Copyright (C) 1999 - 2005, Digium, Inc. 00005 * 00006 * Mark Spencer <markster@digium.com> 00007 * 00008 * See http://www.asterisk.org for more information about 00009 * the Asterisk project. Please do not directly contact 00010 * any of the maintainers of this project for assistance; 00011 * the project provides a web site, mailing lists and IRC 00012 * channels for your use. 00013 * 00014 * This program is free software, distributed under the terms of 00015 * the GNU General Public License Version 2. See the LICENSE file 00016 * at the top of the source tree. 00017 */ 00018 00019 /*! \file 00020 * \brief AGI Extension interfaces - Asterisk Gateway Interface 00021 */ 00022 00023 #ifndef _ASTERISK_AGI_H 00024 #define _ASTERISK_AGI_H 00025 00026 #if defined(__cplusplus) || defined(c_plusplus) 00027 extern "C" { 00028 #endif 00029 00030 typedef struct agi_state { 00031 int fd; /* FD for general output */ 00032 int audio; /* FD for audio output */ 00033 int audio_in; /* FD for audio output */ 00034 int ctrl; /* FD for input control */ 00035 unsigned int fast:1; /* flag for fast agi or not */ 00036 } AGI; 00037 00038 typedef struct agi_command { 00039 /* Null terminated list of the words of the command */ 00040 char *cmda[AST_MAX_CMD_LEN]; 00041 /* Handler for the command (channel, AGI state, # of arguments, argument list). 00042 Returns RESULT_SHOWUSAGE for improper arguments */ 00043 int (*handler)(struct ast_channel *chan, AGI *agi, int argc, char *argv[]); 00044 /* Summary of the command (< 60 characters) */ 00045 char *summary; 00046 /* Detailed usage information */ 00047 char *usage; 00048 struct agi_command *next; 00049 } agi_command; 00050 00051 int ast_agi_register(agi_command *cmd); 00052 void ast_agi_unregister(agi_command *cmd); 00053 00054 #if defined(__cplusplus) || defined(c_plusplus) 00055 } 00056 #endif 00057 00058 #endif /* _ASTERISK_AGI_H */