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230 lines
7.1 KiB
C
230 lines
7.1 KiB
C
/*
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* Asterisk -- An open source telephony toolkit.
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*
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* Copyright (C) 2013 Digium, Inc.
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*
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* Richard Mudgett <rmudgett@digium.com>
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*
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* See http://www.asterisk.org for more information about
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* the Asterisk project. Please do not directly contact
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* any of the maintainers of this project for assistance;
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* the project provides a web site, mailing lists and IRC
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* channels for your use.
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*
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* This program is free software, distributed under the terms of
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* the GNU General Public License Version 2. See the LICENSE file
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* at the top of the source tree.
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*/
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/*!
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* \file
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* \brief After Bridge Execution API
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*
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* \author Richard Mudgett <rmudgett@digium.com>
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*
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* See Also:
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* \arg \ref AstCREDITS
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*/
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#ifndef _ASTERISK_BRIDGING_AFTER_H
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#define _ASTERISK_BRIDGING_AFTER_H
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#if defined(__cplusplus) || defined(c_plusplus)
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extern "C" {
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#endif
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/*! Reason the after bridge callback will not be called. */
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enum ast_bridge_after_cb_reason {
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/*! The datastore is being destroyed. Likely due to hangup. (Enum value must be zero.) */
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AST_BRIDGE_AFTER_CB_REASON_DESTROY,
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/*! Something else replaced the callback with another. */
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AST_BRIDGE_AFTER_CB_REASON_REPLACED,
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/*! The callback was removed because of a masquerade. (fixup) */
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AST_BRIDGE_AFTER_CB_REASON_MASQUERADE,
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/*! The channel was departed from the bridge. */
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AST_BRIDGE_AFTER_CB_REASON_DEPART,
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/*! Was explicitly removed by external code. */
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AST_BRIDGE_AFTER_CB_REASON_REMOVED,
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/*! The channel failed to enter the bridge. */
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AST_BRIDGE_AFTER_CB_REASON_IMPART_FAILED,
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};
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/*!
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* \brief Set channel to goto specific location after the bridge.
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* \since 12.0.0
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*
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* \param chan Channel to setup after bridge goto location.
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* \param context Context to goto after bridge.
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* \param exten Exten to goto after bridge.
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* \param priority Priority to goto after bridge.
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*
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* \note chan is locked by this function.
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*
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* Add a channel datastore to setup the goto location when the
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* channel leaves the bridge and run a PBX from there.
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*/
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void ast_bridge_set_after_goto(struct ast_channel *chan, const char *context, const char *exten, int priority);
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/*!
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* \brief Set channel to run the h exten after the bridge.
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* \since 12.0.0
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*
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* \param chan Channel to setup after bridge goto location.
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* \param context Context to goto after bridge.
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*
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* \note chan is locked by this function.
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*
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* Add a channel datastore to setup the goto location when the
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* channel leaves the bridge and run a PBX from there.
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*/
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void ast_bridge_set_after_h(struct ast_channel *chan, const char *context);
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/*!
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* \brief Set channel to go on in the dialplan after the bridge.
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* \since 12.0.0
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*
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* \param chan Channel to setup after bridge goto location.
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* \param context Current context of the caller channel.
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* \param exten Current exten of the caller channel.
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* \param priority Current priority of the caller channel
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* \param parseable_goto User specified goto string from dialplan.
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*
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* \note chan is locked by this function.
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*
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* Add a channel datastore to setup the goto location when the
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* channel leaves the bridge and run a PBX from there.
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*
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* If parseable_goto then use the given context/exten/priority
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* as the relative position for the parseable_goto.
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* Else goto the given context/exten/priority+1.
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*/
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void ast_bridge_set_after_go_on(struct ast_channel *chan, const char *context, const char *exten, int priority, const char *parseable_goto);
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/*!
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* \brief Setup any after bridge goto location to begin execution.
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* \since 12.0.0
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*
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* \param chan Channel to setup after bridge goto location.
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*
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* \note chan is locked by this function.
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*
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* Pull off any after bridge goto location datastore and setup for
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* dialplan execution there.
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*
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* \retval 0 on success. The goto location is set for a PBX to run it.
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* \retval non-zero on error or no goto location.
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*
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* \note If the after bridge goto is set to run an h exten it is
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* run here immediately.
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*/
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int ast_bridge_setup_after_goto(struct ast_channel *chan);
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/*!
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* \brief Run any after bridge callback.
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* \since 12.0.0
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*
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* \param chan Channel to run after bridge callback.
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*/
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void ast_bridge_run_after_callback(struct ast_channel *chan);
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/*!
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* \brief Run discarding any after bridge callbacks.
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* \since 12.0.0
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*
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* \param chan Channel to run after bridge callback.
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* \param reason
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*/
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void ast_bridge_discard_after_callback(struct ast_channel *chan, enum ast_bridge_after_cb_reason reason);
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/*!
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* \brief Run a PBX on any after bridge goto location.
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* \since 12.0.0
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*
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* \param chan Channel to execute after bridge goto location.
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*
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* \note chan is locked by this function.
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*
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* Pull off any after bridge goto location datastore and run a PBX at that
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* location.
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*
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* \note On return, the chan pointer is no longer valid because
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* the channel has hung up.
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*/
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void ast_bridge_run_after_goto(struct ast_channel *chan);
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/*!
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* \brief Discard channel after bridge goto location.
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* \since 12.0.0
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*
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* \param chan Channel to discard after bridge goto location.
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*
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* \note chan is locked by this function.
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*/
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void ast_bridge_discard_after_goto(struct ast_channel *chan);
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/*!
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* \brief Read after bridge goto if it exists
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* \since 12.0.0
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*
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* \param chan Channel to read the after bridge goto parseable goto string from
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* \param buffer Buffer to write the after bridge goto data to
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* \param buf_size size of the buffer being written to
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*/
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void ast_bridge_read_after_goto(struct ast_channel *chan, char *buffer, size_t buf_size);
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/*!
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* \brief After bridge callback failed.
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* \since 12.0.0
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*
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* \param reason Reason callback is failing.
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* \param data Extra data what setup the callback wanted to pass.
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*
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* \note Called when the channel leaves the bridging system or
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* is destroyed.
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*/
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typedef void (*ast_bridge_after_cb_failed)(enum ast_bridge_after_cb_reason reason, void *data);
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/*!
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* \brief After bridge callback function.
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* \since 12.0.0
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*
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* \param chan Channel just leaving bridging system.
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* \param data Extra data what setup the callback wanted to pass.
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*/
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typedef void (*ast_bridge_after_cb)(struct ast_channel *chan, void *data);
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/*!
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* \brief Setup an after bridge callback for when the channel leaves the bridging system.
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* \since 12.0.0
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*
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* \param chan Channel to setup an after bridge callback on.
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* \param callback Function to call when the channel leaves the bridging system.
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* \param failed Function to call when it will not be calling the callback.
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* \param data Extra data to pass with the callback.
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*
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* \note chan is locked by this function.
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*
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* \note failed is called when the channel leaves the bridging
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* system or is destroyed.
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*
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* \retval 0 on success.
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* \retval -1 on error.
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*/
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int ast_bridge_set_after_callback(struct ast_channel *chan, ast_bridge_after_cb callback, ast_bridge_after_cb_failed failed, void *data);
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/*!
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* \brief Get a string representation of an after bridge callback reason
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* \since 12.0.0
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*
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* \param reason The reason to interpret to a string
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* \retval NULL Unrecognized reason
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* \retval non-NULL String representation of reason
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*/
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const char *ast_bridge_after_cb_reason_string(enum ast_bridge_after_cb_reason reason);
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#if defined(__cplusplus) || defined(c_plusplus)
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}
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#endif
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#endif /* _ASTERISK_BRIDGING_H */
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