577 lines
18 KiB
C
577 lines
18 KiB
C
/*
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* FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
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* Copyright (C) 2005/2006, Anthony Minessale II <anthmct@yahoo.com>
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*
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* Version: MPL 1.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
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*
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* The Initial Developer of the Original Code is
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* Anthony Minessale II <anthmct@yahoo.com>
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* Portions created by the Initial Developer are Copyright (C)
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Anthony Minessale II <anthmct@yahoo.com>
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*
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* switch_types.h -- Data Types
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*
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*/
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/*! \file switch_types.h
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\brief Data Types
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*/
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#ifndef SWITCH_TYPES_H
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#define SWITCH_TYPES_H
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#ifdef __cplusplus
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extern "C" {
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#ifdef _FORMATBUG
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}
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#endif
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#endif
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#include <switch.h>
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#include <switch_platform.h>
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#ifdef WIN32
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#define SWITCH_PATH_SEPARATOR "\\"
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#else
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#define SWITCH_PATH_SEPARATOR "/"
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#endif
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#ifndef SWITCH_PREFIX_DIR
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#define SWITCH_PREFIX_DIR "."
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#endif
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#ifndef SWITCH_MOD_DIR
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#define SWITCH_MOD_DIR SWITCH_PREFIX_DIR SWITCH_PATH_SEPARATOR "mod"
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#endif
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#ifndef SWITCH_CONF_DIR
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#define SWITCH_CONF_DIR SWITCH_PREFIX_DIR SWITCH_PATH_SEPARATOR "conf"
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#endif
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#ifndef SWITCH_LOG_DIR
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#define SWITCH_LOG_DIR SWITCH_PREFIX_DIR SWITCH_PATH_SEPARATOR "log"
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#endif
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#ifndef SWITCH_DB_DIR
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#define SWITCH_DB_DIR SWITCH_PREFIX_DIR SWITCH_PATH_SEPARATOR "db"
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#endif
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#ifndef SWITCH_SCRIPT_DIR
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#define SWITCH_SCRIPT_DIR SWITCH_PREFIX_DIR SWITCH_PATH_SEPARATOR "scripts"
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#endif
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struct switch_directories {
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char *base_dir;
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char *mod_dir;
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char *conf_dir;
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char *log_dir;
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char *db_dir;
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char *script_dir;
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char *temp_dir;
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};
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typedef struct switch_directories switch_directories;
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SWITCH_DECLARE_DATA extern switch_directories SWITCH_GLOBAL_dirs;
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#define SWITCH_THREAD_STACKSIZE 512 * 1024
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#define SWITCH_RECCOMMENDED_BUFFER_SIZE 2048
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#define SWITCH_MAX_CODECS 30
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#define SWITCH_MAX_STATE_HANDLERS 30
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#define SWITCH_TRUE 1
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#define SWITCH_FALSE 0
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/*!
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\enum switch_rtp_flag_t
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\brief RTP Related Flags
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<pre>
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SWITCH_RTP_FLAG_NOBLOCK - Do not block
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SWITCH_RTP_FLAG_IO - IO is ready
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SWITCH_RTP_FLAG_USE_TIMER - Timeout Reads and replace with a CNG Frame
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SWITCH_RTP_FLAG_SECURE - Secure RTP
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</pre>
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*/
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typedef enum {
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SWITCH_RTP_FLAG_NOBLOCK = ( 1 << 0),
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SWITCH_RTP_FLAG_IO = (1 << 1),
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SWITCH_RTP_FLAG_USE_TIMER = (1 << 2),
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SWITCH_RTP_FLAG_SECURE = (1 << 3)
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} switch_rtp_flag_t;
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/*!
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\enum switch_priority_t
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\brief Priority Indication
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<pre>
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SWITCH_PRIORITY_NORMAL - Normal Priority
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SWITCH_PRIORITY_LOW - Low Priority
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SWITCH_PRIORITY_HIGH - High Priority
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</pre>
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*/
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typedef enum {
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SWITCH_PRIORITY_NORMAL,
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SWITCH_PRIORITY_LOW,
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SWITCH_PRIORITY_HIGH,
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} switch_priority_t;
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/*!
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\enum switch_ivr_option_t
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\brief Possible options related to ivr functions
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<pre>
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SWITCH_IVR_OPTION_NONE - nothing whatsoever
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SWITCH_IVR_OPTION_ASYNC - Asynchronous (do things in the background when applicable)
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SWITCH_IVR_OPTION_FILE - string argument implies a filename
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</pre>
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*/
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typedef enum {
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SWITCH_IVR_OPTION_NONE = 0,
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SWITCH_IVR_OPTION_ASYNC = (1 << 0),
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SWITCH_IVR_OPTION_FILE = (1 << 1)
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} switch_ivr_option_t;
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/*!
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\enum switch_core_session_message_t
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\brief Possible types of messages for inter-session communication
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<pre>
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SWITCH_MESSAGE_REDIRECT_AUDIO - Indication to redirect audio to another location if possible
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SWITCH_MESSAGE_TRANSMIT_TEXT - A text message
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SWITCH_MESSAGE_INDICATE_PROGRESS - indicate progress
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</pre>
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*/
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typedef enum {
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SWITCH_MESSAGE_REDIRECT_AUDIO,
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SWITCH_MESSAGE_TRANSMIT_TEXT,
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SWITCH_MESSAGE_INDICATE_PROGRESS
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} switch_core_session_message_t;
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/*!
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\enum switch_stack_t
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\brief Expression of how to stack a list
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<pre>
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SWITCH_STACK_BOTTOM - Stack on the bottom
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SWITCH_STACK_TOP - Stack on the top
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</pre>
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*/
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typedef enum {
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SWITCH_STACK_BOTTOM,
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SWITCH_STACK_TOP
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} switch_stack_t;
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/*!
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\enum switch_status
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\brief Common return values
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<pre>
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SWITCH_STATUS_SUCCESS - General Success (common return value for most functions)
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SWITCH_STATUS_FALSE - General Falsehood
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SWITCH_STATUS_TIMEOUT - A Timeout has occured
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SWITCH_STATUS_RESTART - An indication to restart the previous operation
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SWITCH_STATUS_TERM - An indication to terminate
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SWITCH_STATUS_NOTIMPL - An indication that requested resource is not impelemented
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SWITCH_STATUS_MEMERR - General memory error
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SWITCH_STATUS_NOOP - NOTHING
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SWITCH_STATUS_RESAMPLE - An indication that a resample has occured
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SWITCH_STATUS_GENERR - A general Error
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SWITCH_STATUS_INUSE - An indication that requested resource is in use
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SWITCH_STATUS_BREAK - A non-fatal break of an operation
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SWITCH_STATUS_SOCKERR - A socket error
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</pre>
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*/
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typedef enum {
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SWITCH_STATUS_SUCCESS,
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SWITCH_STATUS_FALSE,
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SWITCH_STATUS_TIMEOUT,
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SWITCH_STATUS_RESTART,
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SWITCH_STATUS_TERM,
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SWITCH_STATUS_NOTIMPL,
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SWITCH_STATUS_MEMERR,
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SWITCH_STATUS_NOOP,
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SWITCH_STATUS_RESAMPLE,
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SWITCH_STATUS_GENERR,
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SWITCH_STATUS_INUSE,
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SWITCH_STATUS_BREAK,
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SWITCH_STATUS_SOCKERR
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} switch_status;
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/*!
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\enum switch_log_level
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\brief Log Level Enumeration
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<pre>
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SWITCH_LOG_CONSOLE - Console
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SWITCH_LOG_DEBUG - Debug
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SWITCH_LOG_INFO - Info
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SWITCH_LOG_NOTICE - Notice
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SWITCH_LOG_WARNING - Warning
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SWITCH_LOG_ERR - Error
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SWITCH_LOG_CRIT - Critical
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SWITCH_LOG_ALERT - Alert
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SWITCH_LOG_EMERG - Emergency
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</pre>
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*/
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typedef enum {
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SWITCH_LOG_CONSOLE = 8,
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SWITCH_LOG_DEBUG = 7,
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SWITCH_LOG_INFO = 6,
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SWITCH_LOG_NOTICE = 5,
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SWITCH_LOG_WARNING = 4,
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SWITCH_LOG_ERR = 3,
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SWITCH_LOG_CRIT = 2,
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SWITCH_LOG_ALERT = 1,
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SWITCH_LOG_EMERG = 0
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} switch_log_level;
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typedef switch_status (*switch_log_function)(const char *data, switch_log_level level);
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/*!
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\enum switch_text_channel
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\brief A target to write log/debug info to
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<pre>
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SWITCH_CHANNEL_ID_LOG - Write to the currently defined log
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SWITCH_CHANNEL_ID_LOG_CLEAN - Write to the currently defined log with no extra file/line/date information
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SWITCH_CHANNEL_ID_EVENT - Write to the event engine as a LOG event
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</pre>
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*/
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typedef enum {
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SWITCH_CHANNEL_ID_LOG,
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SWITCH_CHANNEL_ID_LOG_CLEAN,
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SWITCH_CHANNEL_ID_EVENT
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} switch_text_channel;
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#define SWITCH_UUID_FORMATTED_LENGTH APR_UUID_FORMATTED_LENGTH
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#define SWITCH_CHANNEL_LOG SWITCH_CHANNEL_ID_LOG, __FILE__, __FUNCTION__, __LINE__
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#define SWITCH_CHANNEL_LOG_CLEAN SWITCH_CHANNEL_ID_LOG_CLEAN, __FILE__, __FUNCTION__, __LINE__
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#define SWITCH_CHANNEL_EVENT SWITCH_CHANNEL_ID_EVENT, __FILE__, __FUNCTION__, __LINE__
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/*!
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\enum switch_channel_state
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\brief Channel States
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<pre>
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CS_NEW - Channel is newly created
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CS_INIT - Channel has been initilized
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CS_RING - Channel is looking for a dialplan
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CS_TRANSMIT - Channel is in a passive transmit state
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CS_EXECUTE - Channel is executing it's dialplan
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CS_LOOPBACK - Channel is in loopback
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CS_HANGUP - Channel is flagged for hangup and ready to end
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CS_DONE - Channel is ready to be destroyed and out of the state machine
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</pre>
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*/
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typedef enum {
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CS_NEW,
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CS_INIT,
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CS_RING,
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CS_TRANSMIT,
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CS_EXECUTE,
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CS_LOOPBACK,
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CS_HANGUP,
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CS_DONE
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} switch_channel_state;
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/*!
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\enum switch_channel_flag
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\brief Channel Flags
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<pre>
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CF_ANSWERED = (1 << 0) - Channel is answered
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CF_OUTBOUND = (1 << 1) - Channel is an outbound channel
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CF_EARLY_MEDIA = (1 << 2) - Channel is ready for audio before answer
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CF_ORIGINATOR = (1 << 3) - Channel is an originator
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CF_TRANSFER = (1 << 4) - Channel is being transfered
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CF_ACCEPT_CNG = (1 << 5) - Channel will accept CNG frames
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</pre>
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*/
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typedef enum {
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CF_ANSWERED = (1 << 0),
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CF_OUTBOUND = (1 << 1),
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CF_EARLY_MEDIA = (1 << 2),
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CF_ORIGINATOR = (1 << 3),
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CF_TRANSFER = (1 << 4),
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CF_ACCEPT_CNG = (1 << 5)
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} switch_channel_flag;
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/*!
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\enum switch_frame_flag
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\brief Frame Flags
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<pre>
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CF_CNG = (1 << 0) - Frame represents comfort noise
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</pre>
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*/
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typedef enum {
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SFF_CNG = (1 << 0)
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} switch_frame_flag;
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/*!
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\enum switch_signal
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\brief Signals to send to channels
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<pre>
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SWITCH_SIG_KILL - Kill the channel
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</pre>
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*/
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typedef enum {
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SWITCH_SIG_KILL
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} switch_signal;
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/*!
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\enum switch_codec_flag
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\brief Codec related flags
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<pre>
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SWITCH_CODEC_FLAG_ENCODE = (1 << 0) - Codec can encode
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SWITCH_CODEC_FLAG_DECODE = (1 << 1) - Codec can decode
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SWITCH_CODEC_FLAG_SILENCE_START = (1 << 2) - Start period of silence
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SWITCH_CODEC_FLAG_SILENCE_STOP = (1 << 3) - End period of silence
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SWITCH_CODEC_FLAG_SILENCE = (1 << 4) - Silence
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SWITCH_CODEC_FLAG_FREE_POOL = (1 << 5) - Free codec's pool on destruction
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</pre>
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*/
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typedef enum {
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SWITCH_CODEC_FLAG_ENCODE = (1 << 0),
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SWITCH_CODEC_FLAG_DECODE = (1 << 1),
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SWITCH_CODEC_FLAG_SILENCE_START = (1 << 2),
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SWITCH_CODEC_FLAG_SILENCE_STOP = (1 << 3),
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SWITCH_CODEC_FLAG_SILENCE = (1 << 4),
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SWITCH_CODEC_FLAG_FREE_POOL = (1 << 5),
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} switch_codec_flag;
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/*!
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\enum switch_speech_flag
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\brief Speech related flags
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<pre>
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SWITCH_SPEECH_FLAG_TTS = (1 << 0) - Interface can/should convert text to speech.
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SWITCH_SPEECH_FLAG_ASR = (1 << 1) - Interface can/should convert audio to text.
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SWITCH_SPEECH_FLAG_HASTEXT = (1 << 2) - Interface is has text to read.
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SWITCH_SPEECH_FLAG_PEEK = (1 << 3) - Read data but do not erase it.
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SWITCH_SPEECH_FLAG_FREE_POOL = (1 << 4) - Free interface's pool on destruction.
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SWITCH_SPEECH_FLAG_BLOCKING = (1 << 5) - Indicate that a blocking call is desired
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</pre>
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*/
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typedef enum {
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SWITCH_SPEECH_FLAG_TTS = (1 << 0),
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SWITCH_SPEECH_FLAG_ASR = (1 << 1),
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SWITCH_SPEECH_FLAG_HASTEXT = (1 << 2),
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SWITCH_SPEECH_FLAG_PEEK = (1 << 3),
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SWITCH_SPEECH_FLAG_FREE_POOL = (1 << 4),
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SWITCH_SPEECH_FLAG_BLOCKING = (1 << 5),
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} switch_speech_flag;
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/*!
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\enum switch_directory_flag
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\brief Directory Handle related flags
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<pre>
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SWITCH_DIRECTORY_FLAG_FREE_POOL = (1 << 0) - Free interface's pool on destruction.
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</pre>
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*/
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typedef enum {
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SWITCH_DIRECTORY_FLAG_FREE_POOL = (1 << 0),
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} switch_directory_flag;
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/*!
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\enum switch_codec_type
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\brief Codec types
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<pre>
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SWITCH_CODEC_TYPE_AUDIO - Audio Codec
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SWITCH_CODEC_TYPE_VIDEO - Video Codec
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SWITCH_CODEC_TYPE_T38 - T38 Codec
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SWITCH_CODEC_TYPE_APP - Application Codec
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</pre>
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*/
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typedef enum {
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SWITCH_CODEC_TYPE_AUDIO,
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SWITCH_CODEC_TYPE_VIDEO,
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SWITCH_CODEC_TYPE_T38,
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SWITCH_CODEC_TYPE_APP
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} switch_codec_type;
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/*!
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\enum switch_timer_flag
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\brief Timer related flags
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<pre>
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SWITCH_TIMER_FLAG_FREE_POOL = (1 << 0) - Free timer's pool on destruction
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</pre>
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*/
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typedef enum {
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SWITCH_TIMER_FLAG_FREE_POOL = (1 << 0),
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} switch_timer_flag;
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/*!
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\enum switch_file_flag
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\brief File flags
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<pre>
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SWITCH_FILE_FLAG_READ = (1 << 0) - Open for read
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SWITCH_FILE_FLAG_WRITE = (1 << 1) - Open for write
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SWITCH_FILE_FLAG_FREE_POOL = (1 << 2) - Free file handle's pool on destruction
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SWITCH_FILE_DATA_SHORT = (1 << 3) - Read data in shorts
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SWITCH_FILE_DATA_INT = (1 << 4) - Read data in ints
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SWITCH_FILE_DATA_FLOAT = (1 << 5) - Read data in floats
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SWITCH_FILE_DATA_DOUBLE = (1 << 6) - Read data in doubles
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SWITCH_FILE_DATA_RAW = (1 << 7) - Read data as is
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SWITCH_FILE_PAUSE = (1 << 8) - Pause
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</pre>
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*/
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typedef enum {
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SWITCH_FILE_FLAG_READ = (1 << 0),
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SWITCH_FILE_FLAG_WRITE = (1 << 1),
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SWITCH_FILE_FLAG_FREE_POOL = (1 << 2),
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SWITCH_FILE_DATA_SHORT = (1 << 3),
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SWITCH_FILE_DATA_INT = (1 << 4),
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SWITCH_FILE_DATA_FLOAT = (1 << 5),
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SWITCH_FILE_DATA_DOUBLE = (1 << 6),
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SWITCH_FILE_DATA_RAW = (1 << 7),
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SWITCH_FILE_PAUSE = (1 << 8)
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} switch_file_flag;
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typedef enum {
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SWITCH_IO_FLAG_NOOP = 0,
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} switch_io_flag;
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/* make sure this is synced with the EVENT_NAMES array in switch_event.c
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also never put any new ones before EVENT_ALL
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*/
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/*!
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\enum switch_event_t
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\brief Built-in Events
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<pre>
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SWITCH_EVENT_CUSTOM - A custom event
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SWITCH_EVENT_CHANNEL_CREATE - A channel has changed state
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SWITCH_EVENT_CHANNEL_STATE - A channel has changed state
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SWITCH_EVENT_CHANNEL_ANSWER - A channel has been answered
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SWITCH_EVENT_CHANNEL_HANGUP - A channel has been hungup
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SWITCH_EVENT_CHANNEL_EXECUTE - A channel has executed a module's application
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SWITCH_EVENT_CHANNEL_BRIDGE - A channel has bridged to another channel
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SWITCH_EVENT_CHANNEL_UNBRIDGE - A channel has unbridged from another channel
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SWITCH_EVENT_API - An API call has been executed
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SWITCH_EVENT_LOG - A LOG event has been triggered
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SWITCH_EVENT_INBOUND_CHAN - A new inbound channel has been created
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SWITCH_EVENT_OUTBOUND_CHAN - A new outbound channel has been created
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SWITCH_EVENT_STARTUP - The system has been started
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SWITCH_EVENT_SHUTDOWN - The system has been shutdown
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SWITCH_EVENT_PUBLISH - Publish
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SWITCH_EVENT_UNPUBLISH - UnPublish
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SWITCH_EVENT_ALL - All events at once
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</pre>
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*/
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typedef enum {
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SWITCH_EVENT_CUSTOM,
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SWITCH_EVENT_CHANNEL_CREATE,
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SWITCH_EVENT_CHANNEL_STATE,
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SWITCH_EVENT_CHANNEL_ANSWER,
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SWITCH_EVENT_CHANNEL_HANGUP,
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SWITCH_EVENT_CHANNEL_EXECUTE,
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SWITCH_EVENT_CHANNEL_BRIDGE,
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SWITCH_EVENT_CHANNEL_UNBRIDGE,
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SWITCH_EVENT_API,
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SWITCH_EVENT_LOG,
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SWITCH_EVENT_INBOUND_CHAN,
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SWITCH_EVENT_OUTBOUND_CHAN,
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SWITCH_EVENT_STARTUP,
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SWITCH_EVENT_SHUTDOWN,
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SWITCH_EVENT_PUBLISH,
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SWITCH_EVENT_UNPUBLISH,
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SWITCH_EVENT_ALL
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} switch_event_t;
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typedef struct switch_rtp switch_rtp;
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typedef struct switch_core_session_message switch_core_session_message;
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typedef struct switch_audio_resampler switch_audio_resampler;
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typedef struct switch_event_header switch_event_header;
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typedef struct switch_event switch_event;
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typedef struct switch_event_subclass switch_event_subclass;
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typedef struct switch_event_node switch_event_node;
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typedef struct switch_loadable_module switch_loadable_module;
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typedef struct switch_frame switch_frame;
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typedef struct switch_channel switch_channel;
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typedef struct switch_endpoint_interface switch_endpoint_interface;
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typedef struct switch_timer_interface switch_timer_interface;
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typedef struct switch_dialplan_interface switch_dialplan_interface;
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typedef struct switch_codec_interface switch_codec_interface;
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typedef struct switch_application_interface switch_application_interface;
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typedef struct switch_api_interface switch_api_interface;
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typedef struct switch_file_interface switch_file_interface;
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typedef struct switch_file_handle switch_file_handle;
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typedef struct switch_core_session switch_core_session;
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typedef struct switch_loadable_module_interface switch_loadable_module_interface;
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typedef struct switch_caller_profile switch_caller_profile;
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typedef struct switch_caller_step switch_caller_step;
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typedef struct switch_caller_extension switch_caller_extension;
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typedef struct switch_caller_application switch_caller_application;
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typedef struct switch_state_handler_table switch_state_handler_table;
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typedef struct switch_timer switch_timer;
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typedef struct switch_codec switch_codec;
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typedef struct switch_core_thread_session switch_core_thread_session;
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typedef struct switch_codec_implementation switch_codec_implementation;
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typedef struct switch_io_event_hook_outgoing_channel switch_io_event_hook_outgoing_channel;
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typedef struct switch_io_event_hook_answer_channel switch_io_event_hook_answer_channel;
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typedef struct switch_io_event_hook_receive_message switch_io_event_hook_receive_message;
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typedef struct switch_io_event_hook_read_frame switch_io_event_hook_read_frame;
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typedef struct switch_io_event_hook_write_frame switch_io_event_hook_write_frame;
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typedef struct switch_io_event_hook_kill_channel switch_io_event_hook_kill_channel;
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typedef struct switch_io_event_hook_waitfor_read switch_io_event_hook_waitfor_read;
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typedef struct switch_io_event_hook_waitfor_write switch_io_event_hook_waitfor_write;
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typedef struct switch_io_event_hook_send_dtmf switch_io_event_hook_send_dtmf;
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typedef struct switch_io_routines switch_io_routines;
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typedef struct switch_io_event_hooks switch_io_event_hooks;
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typedef struct switch_buffer switch_buffer;
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typedef struct switch_codec_settings switch_codec_settings;
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typedef struct switch_config switch_config;
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typedef struct switch_speech_handle switch_speech_handle;
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typedef struct switch_speech_interface switch_speech_interface;
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typedef struct switch_directory_handle switch_directory_handle;
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typedef struct switch_directory_interface switch_directory_interface;
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typedef void (*switch_application_function)(switch_core_session *, char *);
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typedef void (*switch_event_callback_t)(switch_event *);
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typedef switch_caller_extension *(*switch_dialplan_hunt_function)(switch_core_session *);
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typedef switch_status (*switch_state_handler)(switch_core_session *);
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typedef switch_status (*switch_outgoing_channel_hook)(switch_core_session *, switch_caller_profile *, switch_core_session *);
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typedef switch_status (*switch_answer_channel_hook)(switch_core_session *);
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typedef switch_status (*switch_receive_message_hook)(switch_core_session *, switch_core_session_message *);
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typedef switch_status (*switch_read_frame_hook)(switch_core_session *, switch_frame **, int, switch_io_flag, int);
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typedef switch_status (*switch_write_frame_hook)(switch_core_session *, switch_frame *, int, switch_io_flag, int);
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typedef switch_status (*switch_kill_channel_hook)(switch_core_session *, int);
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typedef switch_status (*switch_waitfor_read_hook)(switch_core_session *, int, int);
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typedef switch_status (*switch_waitfor_write_hook)(switch_core_session *, int, int);
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typedef switch_status (*switch_send_dtmf_hook)(switch_core_session *, char *);
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typedef switch_status (*switch_api_function)(char *in, char *out, switch_size_t outlen);
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typedef switch_status (*switch_dtmf_callback_function)(switch_core_session *session, char *dtmf, void *buf, unsigned int buflen);
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typedef int (*switch_core_db_callback_func)(void *pArg, int argc, char **argv, char **columnNames);
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/* things we don't deserve to know about */
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/*! \brief A channel */
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struct switch_channel;
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/*! \brief A core session representing a call and all of it's resources */
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struct switch_core_session;
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#ifdef __cplusplus
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}
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#endif
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#endif
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