mirror of https://github.com/asterisk/asterisk
One more major refactoring to go. git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@395367 65c4cc65-6c06-0410-ace0-fbb531ad65f3changes/78/78/1
parent
71609d58aa
commit
9d8a5ceb02
@ -0,0 +1,244 @@
|
||||
/*
|
||||
* Asterisk -- An open source telephony toolkit.
|
||||
*
|
||||
* Copyright (C) 2013 Digium, Inc.
|
||||
*
|
||||
* Richard Mudgett <rmudgett@digium.com>
|
||||
*
|
||||
* See http://www.asterisk.org for more information about
|
||||
* the Asterisk project. Please do not directly contact
|
||||
* any of the maintainers of this project for assistance;
|
||||
* the project provides a web site, mailing lists and IRC
|
||||
* channels for your use.
|
||||
*
|
||||
* This program is free software, distributed under the terms of
|
||||
* the GNU General Public License Version 2. See the LICENSE file
|
||||
* at the top of the source tree.
|
||||
*/
|
||||
|
||||
/*!
|
||||
* \file
|
||||
* \brief After Bridge Execution API
|
||||
*
|
||||
* \author Richard Mudgett <rmudgett@digium.com>
|
||||
*
|
||||
* See Also:
|
||||
* \arg \ref AstCREDITS
|
||||
*/
|
||||
|
||||
#ifndef _ASTERISK_BRIDGING_AFTER_H
|
||||
#define _ASTERISK_BRIDGING_AFTER_H
|
||||
|
||||
#if defined(__cplusplus) || defined(c_plusplus)
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
/*! Reason the the after bridge callback will not be called. */
|
||||
enum ast_bridge_after_cb_reason {
|
||||
/*! The datastore is being destroyed. Likely due to hangup. (Enum value must be zero.) */
|
||||
AST_BRIDGE_AFTER_CB_REASON_DESTROY,
|
||||
/*! Something else replaced the callback with another. */
|
||||
AST_BRIDGE_AFTER_CB_REASON_REPLACED,
|
||||
/*! The callback was removed because of a masquerade. (fixup) */
|
||||
AST_BRIDGE_AFTER_CB_REASON_MASQUERADE,
|
||||
/*! The channel was departed from the bridge. */
|
||||
AST_BRIDGE_AFTER_CB_REASON_DEPART,
|
||||
/*! Was explicitly removed by external code. */
|
||||
AST_BRIDGE_AFTER_CB_REASON_REMOVED,
|
||||
};
|
||||
|
||||
/*!
|
||||
* \brief Set channel to goto specific location after the bridge.
|
||||
* \since 12.0.0
|
||||
*
|
||||
* \param chan Channel to setup after bridge goto location.
|
||||
* \param context Context to goto after bridge.
|
||||
* \param exten Exten to goto after bridge.
|
||||
* \param priority Priority to goto after bridge.
|
||||
*
|
||||
* \note chan is locked by this function.
|
||||
*
|
||||
* \details Add a channel datastore to setup the goto location
|
||||
* when the channel leaves the bridge and run a PBX from there.
|
||||
*
|
||||
* \return Nothing
|
||||
*/
|
||||
void ast_bridge_set_after_goto(struct ast_channel *chan, const char *context, const char *exten, int priority);
|
||||
|
||||
/*!
|
||||
* \brief Set channel to run the h exten after the bridge.
|
||||
* \since 12.0.0
|
||||
*
|
||||
* \param chan Channel to setup after bridge goto location.
|
||||
* \param context Context to goto after bridge.
|
||||
*
|
||||
* \note chan is locked by this function.
|
||||
*
|
||||
* \details Add a channel datastore to setup the goto location
|
||||
* when the channel leaves the bridge and run a PBX from there.
|
||||
*
|
||||
* \return Nothing
|
||||
*/
|
||||
void ast_bridge_set_after_h(struct ast_channel *chan, const char *context);
|
||||
|
||||
/*!
|
||||
* \brief Set channel to go on in the dialplan after the bridge.
|
||||
* \since 12.0.0
|
||||
*
|
||||
* \param chan Channel to setup after bridge goto location.
|
||||
* \param context Current context of the caller channel.
|
||||
* \param exten Current exten of the caller channel.
|
||||
* \param priority Current priority of the caller channel
|
||||
* \param parseable_goto User specified goto string from dialplan.
|
||||
*
|
||||
* \note chan is locked by this function.
|
||||
*
|
||||
* \details Add a channel datastore to setup the goto location
|
||||
* when the channel leaves the bridge and run a PBX from there.
|
||||
*
|
||||
* If parseable_goto then use the given context/exten/priority
|
||||
* as the relative position for the parseable_goto.
|
||||
* Else goto the given context/exten/priority+1.
|
||||
*
|
||||
* \return Nothing
|
||||
*/
|
||||
void ast_bridge_set_after_go_on(struct ast_channel *chan, const char *context, const char *exten, int priority, const char *parseable_goto);
|
||||
|
||||
/*!
|
||||
* \brief Setup any after bridge goto location to begin execution.
|
||||
* \since 12.0.0
|
||||
*
|
||||
* \param chan Channel to setup after bridge goto location.
|
||||
*
|
||||
* \note chan is locked by this function.
|
||||
*
|
||||
* \details Pull off any after bridge goto location datastore and
|
||||
* setup for dialplan execution there.
|
||||
*
|
||||
* \retval 0 on success. The goto location is set for a PBX to run it.
|
||||
* \retval non-zero on error or no goto location.
|
||||
*
|
||||
* \note If the after bridge goto is set to run an h exten it is
|
||||
* run here immediately.
|
||||
*/
|
||||
int ast_bridge_setup_after_goto(struct ast_channel *chan);
|
||||
|
||||
/*!
|
||||
* \brief Run any after bridge callback.
|
||||
* \since 12.0.0
|
||||
*
|
||||
* \param chan Channel to run after bridge callback.
|
||||
*
|
||||
* \return Nothing
|
||||
*/
|
||||
void ast_bridge_run_after_callback(struct ast_channel *chan);
|
||||
|
||||
/*!
|
||||
* \brief Run discarding any after bridge callbacks.
|
||||
* \since 12.0.0
|
||||
*
|
||||
* \param chan Channel to run after bridge callback.
|
||||
*
|
||||
* \return Nothing
|
||||
*/
|
||||
void ast_bridge_discard_after_callback(struct ast_channel *chan, enum ast_bridge_after_cb_reason reason);
|
||||
|
||||
/*!
|
||||
* \brief Run a PBX on any after bridge goto location.
|
||||
* \since 12.0.0
|
||||
*
|
||||
* \param chan Channel to execute after bridge goto location.
|
||||
*
|
||||
* \note chan is locked by this function.
|
||||
*
|
||||
* \details Pull off any after bridge goto location datastore
|
||||
* and run a PBX at that location.
|
||||
*
|
||||
* \note On return, the chan pointer is no longer valid because
|
||||
* the channel has hung up.
|
||||
*
|
||||
* \return Nothing
|
||||
*/
|
||||
void ast_bridge_run_after_goto(struct ast_channel *chan);
|
||||
|
||||
/*!
|
||||
* \brief Discard channel after bridge goto location.
|
||||
* \since 12.0.0
|
||||
*
|
||||
* \param chan Channel to discard after bridge goto location.
|
||||
*
|
||||
* \note chan is locked by this function.
|
||||
*
|
||||
* \return Nothing
|
||||
*/
|
||||
void ast_bridge_discard_after_goto(struct ast_channel *chan);
|
||||
|
||||
/*!
|
||||
* \brief Read after bridge goto if it exists
|
||||
* \since 12.0.0
|
||||
*
|
||||
* \param chan Channel to read the after bridge goto parseable goto string from
|
||||
* \param buffer Buffer to write the after bridge goto data to
|
||||
* \param buf_size size of the buffer being written to
|
||||
*/
|
||||
void ast_bridge_read_after_goto(struct ast_channel *chan, char *buffer, size_t buf_size);
|
||||
|
||||
/*!
|
||||
* \brief After bridge callback failed.
|
||||
* \since 12.0.0
|
||||
*
|
||||
* \param reason Reason callback is failing.
|
||||
* \param data Extra data what setup the callback wanted to pass.
|
||||
*
|
||||
* \note Called when the channel leaves the bridging system or
|
||||
* is destroyed.
|
||||
*
|
||||
* \return Nothing
|
||||
*/
|
||||
typedef void (*ast_bridge_after_cb_failed)(enum ast_bridge_after_cb_reason reason, void *data);
|
||||
|
||||
/*!
|
||||
* \brief After bridge callback function.
|
||||
* \since 12.0.0
|
||||
*
|
||||
* \param chan Channel just leaving bridging system.
|
||||
* \param data Extra data what setup the callback wanted to pass.
|
||||
*
|
||||
* \return Nothing
|
||||
*/
|
||||
typedef void (*ast_bridge_after_cb)(struct ast_channel *chan, void *data);
|
||||
|
||||
/*!
|
||||
* \brief Setup an after bridge callback for when the channel leaves the bridging system.
|
||||
* \since 12.0.0
|
||||
*
|
||||
* \param chan Channel to setup an after bridge callback on.
|
||||
* \param callback Function to call when the channel leaves the bridging system.
|
||||
* \param failed Function to call when it will not be calling the callback.
|
||||
* \param data Extra data to pass with the callback.
|
||||
*
|
||||
* \note chan is locked by this function.
|
||||
*
|
||||
* \note failed is called when the channel leaves the bridging
|
||||
* system or is destroyed.
|
||||
*
|
||||
* \retval 0 on success.
|
||||
* \retval -1 on error.
|
||||
*/
|
||||
int ast_bridge_set_after_callback(struct ast_channel *chan, ast_bridge_after_cb callback, ast_bridge_after_cb_failed failed, void *data);
|
||||
|
||||
/*!
|
||||
* \brief Get a string representation of an after bridge callback reason
|
||||
* \since 12.0.0
|
||||
*
|
||||
* \param reason The reason to interpret to a string
|
||||
* \retval NULL Unrecognized reason
|
||||
* \retval non-NULL String representation of reason
|
||||
*/
|
||||
const char *ast_bridge_after_cb_reason_string(enum ast_bridge_after_cb_reason reason);
|
||||
|
||||
#if defined(__cplusplus) || defined(c_plusplus)
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* _ASTERISK_BRIDGING_H */
|
File diff suppressed because it is too large
Load Diff
@ -0,0 +1,640 @@
|
||||
/*
|
||||
* Asterisk -- An open source telephony toolkit.
|
||||
*
|
||||
* Copyright (C) 2007 - 2009, Digium, Inc.
|
||||
*
|
||||
* Richard Mudgett <rmudgett@digium.com>
|
||||
*
|
||||
* See http://www.asterisk.org for more information about
|
||||
* the Asterisk project. Please do not directly contact
|
||||
* any of the maintainers of this project for assistance;
|
||||
* the project provides a web site, mailing lists and IRC
|
||||
* channels for your use.
|
||||
*
|
||||
* This program is free software, distributed under the terms of
|
||||
* the GNU General Public License Version 2. See the LICENSE file
|
||||
* at the top of the source tree.
|
||||
*/
|
||||
|
||||
/*!
|
||||
* \file
|
||||
* \brief After Bridge Execution API
|
||||
*
|
||||
* \author Richard Mudgett <rmudgett@digium.com>
|
||||
*
|
||||
* See Also:
|
||||
* \arg \ref AstCREDITS
|
||||
*/
|
||||
|
||||
/*** MODULEINFO
|
||||
<support_level>core</support_level>
|
||||
***/
|
||||
|
||||
#include "asterisk.h"
|
||||
|
||||
ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
|
||||
|
||||
#include "asterisk/logger.h"
|
||||
#include "asterisk/channel.h"
|
||||
#include "asterisk/pbx.h"
|
||||
#include "asterisk/bridging_after.h"
|
||||
|
||||
struct after_bridge_cb_node {
|
||||
/*! Next list node. */
|
||||
AST_LIST_ENTRY(after_bridge_cb_node) list;
|
||||
/*! Desired callback function. */
|
||||
ast_bridge_after_cb callback;
|
||||
/*! After bridge callback will not be called and destroy any resources data may contain. */
|
||||
ast_bridge_after_cb_failed failed;
|
||||
/*! Extra data to pass to the callback. */
|
||||
void *data;
|
||||
/*! Reason the after bridge callback failed. */
|
||||
enum ast_bridge_after_cb_reason reason;
|
||||
};
|
||||
|
||||
struct after_bridge_cb_ds {
|
||||
/*! After bridge callbacks container. */
|
||||
AST_LIST_HEAD(, after_bridge_cb_node) callbacks;
|
||||
};
|
||||
|
||||
/*!
|
||||
* \internal
|
||||
* \brief Indicate after bridge callback failed.
|
||||
* \since 12.0.0
|
||||
*
|
||||
* \param node After bridge callback node.
|
||||
*
|
||||
* \return Nothing
|
||||
*/
|
||||
static void after_bridge_cb_failed(struct after_bridge_cb_node *node)
|
||||
{
|
||||
if (node->failed) {
|
||||
node->failed(node->reason, node->data);
|
||||
node->failed = NULL;
|
||||
}
|
||||
}
|
||||
|
||||
/*!
|
||||
* \internal
|
||||
* \brief Run discarding any after bridge callbacks.
|
||||
* \since 12.0.0
|
||||
*
|
||||
* \param after_bridge After bridge callback container process.
|
||||
* \param reason Why are we doing this.
|
||||
*
|
||||
* \return Nothing
|
||||
*/
|
||||
static void after_bridge_cb_run_discard(struct after_bridge_cb_ds *after_bridge, enum ast_bridge_after_cb_reason reason)
|
||||
{
|
||||
struct after_bridge_cb_node *node;
|
||||
|
||||
for (;;) {
|
||||
AST_LIST_LOCK(&after_bridge->callbacks);
|
||||
node = AST_LIST_REMOVE_HEAD(&after_bridge->callbacks, list);
|
||||
AST_LIST_UNLOCK(&after_bridge->callbacks);
|
||||
if (!node) {
|
||||
break;
|
||||
}
|
||||
if (!node->reason) {
|
||||
node->reason = reason;
|
||||
}
|
||||
after_bridge_cb_failed(node);
|
||||
ast_free(node);
|
||||
}
|
||||
}
|
||||
|
||||
/*!
|
||||
* \internal
|
||||
* \brief Destroy the after bridge callback datastore.
|
||||
* \since 12.0.0
|
||||
*
|
||||
* \param data After bridge callback data to destroy.
|
||||
*
|
||||
* \return Nothing
|
||||
*/
|
||||
static void after_bridge_cb_destroy(void *data)
|
||||
{
|
||||
struct after_bridge_cb_ds *after_bridge = data;
|
||||
|
||||
after_bridge_cb_run_discard(after_bridge, AST_BRIDGE_AFTER_CB_REASON_DESTROY);
|
||||
|
||||
AST_LIST_HEAD_DESTROY(&after_bridge->callbacks);
|
||||
ast_free(after_bridge);
|
||||
}
|
||||
|
||||
static struct after_bridge_cb_ds *after_bridge_cb_find(struct ast_channel *chan);
|
||||
|
||||
/*!
|
||||
* \internal
|
||||
* \brief Fixup the after bridge callback datastore.
|
||||
* \since 12.0.0
|
||||
*
|
||||
* \param data After bridge callback data to fixup.
|
||||
* \param old_chan The datastore is moving from this channel.
|
||||
* \param new_chan The datastore is moving to this channel.
|
||||
*
|
||||
* \return Nothing
|
||||
*/
|
||||
static void after_bridge_cb_fixup(void *data, struct ast_channel *old_chan, struct ast_channel *new_chan)
|
||||
{
|
||||
struct after_bridge_cb_ds *after_bridge;
|
||||
struct after_bridge_cb_node *node;
|
||||
|
||||
after_bridge = after_bridge_cb_find(new_chan);
|
||||
if (!after_bridge) {
|
||||
return;
|
||||
}
|
||||
|
||||
AST_LIST_LOCK(&after_bridge->callbacks);
|
||||
node = AST_LIST_LAST(&after_bridge->callbacks);
|
||||
if (node && !node->reason) {
|
||||
node->reason = AST_BRIDGE_AFTER_CB_REASON_MASQUERADE;
|
||||
}
|
||||
AST_LIST_UNLOCK(&after_bridge->callbacks);
|
||||
}
|
||||
|
||||
static const struct ast_datastore_info after_bridge_cb_info = {
|
||||
.type = "after-bridge-cb",
|
||||
.destroy = after_bridge_cb_destroy,
|
||||
.chan_fixup = after_bridge_cb_fixup,
|
||||
};
|
||||
|
||||
/*!
|
||||
* \internal
|
||||
* \brief Find an after bridge callback datastore container.
|
||||
* \since 12.0.0
|
||||
*
|
||||
* \param chan Channel to find the after bridge callback container on.
|
||||
*
|
||||
* \retval after_bridge datastore container on success.
|
||||
* \retval NULL on error.
|
||||
*/
|
||||
static struct after_bridge_cb_ds *after_bridge_cb_find(struct ast_channel *chan)
|
||||
{
|
||||
struct ast_datastore *datastore;
|
||||
SCOPED_CHANNELLOCK(lock, chan);
|
||||
|
||||
datastore = ast_channel_datastore_find(chan, &after_bridge_cb_info, NULL);
|
||||
if (!datastore) {
|
||||
return NULL;
|
||||
}
|
||||
return datastore->data;
|
||||
}
|
||||
|
||||
/*!
|
||||
* \internal
|
||||
* \brief Setup/create an after bridge callback datastore container.
|
||||
* \since 12.0.0
|
||||
*
|
||||
* \param chan Channel to setup/create the after bridge callback container on.
|
||||
*
|
||||
* \retval after_bridge datastore container on success.
|
||||
* \retval NULL on error.
|
||||
*/
|
||||
static struct after_bridge_cb_ds *after_bridge_cb_setup(struct ast_channel *chan)
|
||||
{
|
||||
struct ast_datastore *datastore;
|
||||
struct after_bridge_cb_ds *after_bridge;
|
||||
SCOPED_CHANNELLOCK(lock, chan);
|
||||
|
||||
datastore = ast_channel_datastore_find(chan, &after_bridge_cb_info, NULL);
|
||||
if (datastore) {
|
||||
return datastore->data;
|
||||
}
|
||||
|
||||
/* Create a new datastore. */
|
||||
datastore = ast_datastore_alloc(&after_bridge_cb_info, NULL);
|
||||
if (!datastore) {
|
||||
return NULL;
|
||||
}
|
||||
after_bridge = ast_calloc(1, sizeof(*after_bridge));
|
||||
if (!after_bridge) {
|
||||
ast_datastore_free(datastore);
|
||||
return NULL;
|
||||
}
|
||||
AST_LIST_HEAD_INIT(&after_bridge->callbacks);
|
||||
datastore->data = after_bridge;
|
||||
ast_channel_datastore_add(chan, datastore);
|
||||
|
||||
return datastore->data;
|
||||
}
|
||||
|
||||
void ast_bridge_run_after_callback(struct ast_channel *chan)
|
||||
{
|
||||
struct after_bridge_cb_ds *after_bridge;
|
||||
struct after_bridge_cb_node *node;
|
||||
|
||||
after_bridge = after_bridge_cb_find(chan);
|
||||
if (!after_bridge) {
|
||||
return;
|
||||
}
|
||||
|
||||
for (;;) {
|
||||
AST_LIST_LOCK(&after_bridge->callbacks);
|
||||
node = AST_LIST_REMOVE_HEAD(&after_bridge->callbacks, list);
|
||||
AST_LIST_UNLOCK(&after_bridge->callbacks);
|
||||
if (!node) {
|
||||
break;
|
||||
}
|
||||
if (node->reason) {
|
||||
after_bridge_cb_failed(node);
|
||||
} else {
|
||||
node->failed = NULL;
|
||||
node->callback(chan, node->data);
|
||||
}
|
||||
ast_free(node);
|
||||
}
|
||||
}
|
||||
|
||||
void ast_bridge_discard_after_callback(struct ast_channel *chan, enum ast_bridge_after_cb_reason reason)
|
||||
{
|
||||
struct after_bridge_cb_ds *after_bridge;
|
||||
|
||||
after_bridge = after_bridge_cb_find(chan);
|
||||
if (!after_bridge) {
|
||||
return;
|
||||
}
|
||||
|
||||
after_bridge_cb_run_discard(after_bridge, reason);
|
||||
}
|
||||
|
||||
int ast_bridge_set_after_callback(struct ast_channel *chan, ast_bridge_after_cb callback, ast_bridge_after_cb_failed failed, void *data)
|
||||
{
|
||||
struct after_bridge_cb_ds *after_bridge;
|
||||
struct after_bridge_cb_node *new_node;
|
||||
struct after_bridge_cb_node *last_node;
|
||||
|
||||
/* Sanity checks. */
|
||||
ast_assert(chan != NULL);
|
||||
if (!chan || !callback) {
|
||||
return -1;
|
||||
}
|
||||
|
||||
after_bridge = after_bridge_cb_setup(chan);
|
||||
if (!after_bridge) {
|
||||
return -1;
|
||||
}
|
||||
|
||||
/* Create a new callback node. */
|
||||
new_node = ast_calloc(1, sizeof(*new_node));
|
||||
if (!new_node) {
|
||||
return -1;
|
||||
}
|
||||
new_node->callback = callback;
|
||||
new_node->failed = failed;
|
||||
new_node->data = data;
|
||||
|
||||
/* Put it in the container disabling any previously active one. */
|
||||
AST_LIST_LOCK(&after_bridge->callbacks);
|
||||
last_node = AST_LIST_LAST(&after_bridge->callbacks);
|
||||
if (last_node && !last_node->reason) {
|
||||
last_node->reason = AST_BRIDGE_AFTER_CB_REASON_REPLACED;
|
||||
}
|
||||
AST_LIST_INSERT_TAIL(&after_bridge->callbacks, new_node, list);
|
||||
AST_LIST_UNLOCK(&after_bridge->callbacks);
|
||||
return 0;
|
||||
}
|
||||
|
||||
const char *reason_strings[] = {
|
||||
[AST_BRIDGE_AFTER_CB_REASON_DESTROY] = "Channel destroyed (hungup)",
|
||||
[AST_BRIDGE_AFTER_CB_REASON_REPLACED] = "Callback was replaced",
|
||||
[AST_BRIDGE_AFTER_CB_REASON_MASQUERADE] = "Channel masqueraded",
|
||||
[AST_BRIDGE_AFTER_CB_REASON_DEPART] = "Channel was departed from bridge",
|
||||
[AST_BRIDGE_AFTER_CB_REASON_REMOVED] = "Callback was removed",
|
||||
};
|
||||
|
||||
const char *ast_bridge_after_cb_reason_string(enum ast_bridge_after_cb_reason reason)
|
||||
{
|
||||
if (reason < AST_BRIDGE_AFTER_CB_REASON_DESTROY
|
||||
|| AST_BRIDGE_AFTER_CB_REASON_REMOVED < reason
|
||||
|| !reason_strings[reason]) {
|
||||
return "Unknown";
|
||||
}
|
||||
|
||||
return reason_strings[reason];
|
||||
}
|
||||
|
||||
struct after_bridge_goto_ds {
|
||||
/*! Goto string that can be parsed by ast_parseable_goto(). */
|
||||
const char *parseable_goto;
|
||||
/*! Specific goto context or default context for parseable_goto. */
|
||||
const char *context;
|
||||
/*! Specific goto exten or default exten for parseable_goto. */
|
||||
const char *exten;
|
||||
/*! Specific goto priority or default priority for parseable_goto. */
|
||||
int priority;
|
||||
/*! TRUE if the peer should run the h exten. */
|
||||
unsigned int run_h_exten:1;
|
||||
/*! Specific goto location */
|
||||
unsigned int specific:1;
|
||||
};
|
||||
|
||||
/*!
|
||||
* \internal
|
||||
* \brief Destroy the after bridge goto datastore.
|
||||
* \since 12.0.0
|
||||
*
|
||||
* \param data After bridge goto data to destroy.
|
||||
*
|
||||
* \return Nothing
|
||||
*/
|
||||
static void after_bridge_goto_destroy(void *data)
|
||||
{
|
||||
struct after_bridge_goto_ds *after_bridge = data;
|
||||
|
||||
ast_free((char *) after_bridge->parseable_goto);
|
||||
ast_free((char *) after_bridge->context);
|
||||
ast_free((char *) after_bridge->exten);
|
||||
}
|
||||
|
||||
/*!
|
||||
* \internal
|
||||
* \brief Fixup the after bridge goto datastore.
|
||||
* \since 12.0.0
|
||||
*
|
||||
* \param data After bridge goto data to fixup.
|
||||
* \param old_chan The datastore is moving from this channel.
|
||||
* \param new_chan The datastore is moving to this channel.
|
||||
*
|
||||
* \return Nothing
|
||||
*/
|
||||
static void after_bridge_goto_fixup(void *data, struct ast_channel *old_chan, struct ast_channel *new_chan)
|
||||
{
|
||||
/* There can be only one. Discard any already on the new channel. */
|
||||
ast_bridge_discard_after_goto(new_chan);
|
||||
}
|
||||
|
||||
static const struct ast_datastore_info after_bridge_goto_info = {
|
||||
.type = "after-bridge-goto",
|
||||
.destroy = after_bridge_goto_destroy,
|
||||
.chan_fixup = after_bridge_goto_fixup,
|
||||
};
|
||||
|
||||
/*!
|
||||
* \internal
|
||||
* \brief Remove channel goto location after the bridge and return it.
|
||||
* \since 12.0.0
|
||||
*
|
||||
* \param chan Channel to remove after bridge goto location.
|
||||
*
|
||||
* \retval datastore on success.
|
||||
* \retval NULL on error or not found.
|
||||
*/
|
||||
static struct ast_datastore *after_bridge_goto_remove(struct ast_channel *chan)
|
||||
{
|
||||
struct ast_datastore *datastore;
|
||||
|
||||
ast_channel_lock(chan);
|
||||
datastore = ast_channel_datastore_find(chan, &after_bridge_goto_info, NULL);
|
||||
if (datastore && ast_channel_datastore_remove(chan, datastore)) {
|
||||
datastore = NULL;
|
||||
}
|
||||
ast_channel_unlock(chan);
|
||||
|
||||
return datastore;
|
||||
}
|
||||
|
||||
void ast_bridge_discard_after_goto(struct ast_channel *chan)
|
||||
{
|
||||
struct ast_datastore *datastore;
|
||||
|
||||
datastore = after_bridge_goto_remove(chan);
|
||||
if (datastore) {
|
||||
ast_datastore_free(datastore);
|
||||
}
|
||||
}
|
||||
|
||||
void ast_bridge_read_after_goto(struct ast_channel *chan, char *buffer, size_t buf_size)
|
||||
{
|
||||
struct ast_datastore *datastore;
|
||||
struct after_bridge_goto_ds *after_bridge;
|
||||
char *current_pos = buffer;
|
||||
size_t remaining_size = buf_size;
|
||||
|
||||
SCOPED_CHANNELLOCK(lock, chan);
|
||||
|
||||
datastore = ast_channel_datastore_find(chan, &after_bridge_goto_info, NULL);
|
||||
if (!datastore) {
|
||||
buffer[0] = '\0';
|
||||
return;
|
||||
}
|
||||
|
||||
after_bridge = datastore->data;
|
||||
|
||||
if (after_bridge->parseable_goto) {
|
||||
snprintf(buffer, buf_size, "%s", after_bridge->parseable_goto);
|
||||
return;
|
||||
}
|
||||
|
||||
if (!ast_strlen_zero(after_bridge->context)) {
|
||||
snprintf(current_pos, remaining_size, "%s,", after_bridge->context);
|
||||
remaining_size = remaining_size - strlen(current_pos);
|
||||
current_pos += strlen(current_pos);
|
||||
}
|
||||
|
||||
if (after_bridge->run_h_exten) {
|
||||
snprintf(current_pos, remaining_size, "h,");
|
||||
remaining_size = remaining_size - strlen(current_pos);
|
||||
current_pos += strlen(current_pos);
|
||||
} else if (!ast_strlen_zero(after_bridge->exten)) {
|
||||
snprintf(current_pos, remaining_size, "%s,", after_bridge->exten);
|
||||
remaining_size = remaining_size - strlen(current_pos);
|
||||
current_pos += strlen(current_pos);
|
||||
}
|
||||
|
||||
snprintf(current_pos, remaining_size, "%d", after_bridge->priority);
|
||||
}
|
||||
|
||||
int ast_bridge_setup_after_goto(struct ast_channel *chan)
|
||||
{
|
||||
struct ast_datastore *datastore;
|
||||
struct after_bridge_goto_ds *after_bridge;
|
||||
int goto_failed = -1;
|
||||
|
||||
/* Determine if we are going to setup a dialplan location and where. */
|
||||
if (ast_channel_softhangup_internal_flag(chan) & AST_SOFTHANGUP_ASYNCGOTO) {
|
||||
/* An async goto has already setup a location. */
|
||||
ast_channel_clear_softhangup(chan, AST_SOFTHANGUP_ASYNCGOTO);
|
||||
if (!ast_check_hangup(chan)) {
|
||||
goto_failed = 0;
|
||||
}
|
||||
return goto_failed;
|
||||
}
|
||||
|
||||
/* Get after bridge goto datastore. */
|
||||
datastore = after_bridge_goto_remove(chan);
|
||||
if (!datastore) {
|
||||
return goto_failed;
|
||||
}
|
||||
|
||||
after_bridge = datastore->data;
|
||||
if (after_bridge->run_h_exten) {
|
||||
if (ast_exists_extension(chan, after_bridge->context, "h", 1,
|
||||
S_COR(ast_channel_caller(chan)->id.number.valid,
|
||||
ast_channel_caller(chan)->id.number.str, NULL))) {
|
||||
ast_debug(1, "Running after bridge goto h exten %s,h,1\n",
|
||||
ast_channel_context(chan));
|
||||
ast_pbx_h_exten_run(chan, after_bridge->context);
|
||||
}
|
||||
} else if (!ast_check_hangup(chan)) {
|
||||
if (after_bridge->specific) {
|
||||
goto_failed = ast_explicit_goto(chan, after_bridge->context,
|
||||
after_bridge->exten, after_bridge->priority);
|
||||
} else if (!ast_strlen_zero(after_bridge->parseable_goto)) {
|
||||
char *context;
|
||||
char *exten;
|
||||
int priority;
|
||||
|
||||
/* Option F(x) for Bridge(), Dial(), and Queue() */
|
||||
|
||||
/* Save current dialplan location in case of failure. */
|
||||
context = ast_strdupa(ast_channel_context(chan));
|
||||
exten = ast_strdupa(ast_channel_exten(chan));
|
||||
priority = ast_channel_priority(chan);
|
||||
|
||||
/* Set current dialplan position to default dialplan position */
|
||||
ast_explicit_goto(chan, after_bridge->context, after_bridge->exten,
|
||||
after_bridge->priority);
|
||||
|
||||
/* Then perform the goto */
|
||||
goto_failed = ast_parseable_goto(chan, after_bridge->parseable_goto);
|
||||
if (goto_failed) {
|
||||
/* Restore original dialplan location. */
|
||||
ast_channel_context_set(chan, context);
|
||||
ast_channel_exten_set(chan, exten);
|
||||
ast_channel_priority_set(chan, priority);
|
||||
}
|
||||
} else {
|
||||
/* Option F() for Bridge(), Dial(), and Queue() */
|
||||
goto_failed = ast_goto_if_exists(chan, after_bridge->context,
|
||||
after_bridge->exten, after_bridge->priority + 1);
|
||||
}
|
||||
if (!goto_failed) {
|
||||
if (ast_test_flag(ast_channel_flags(chan), AST_FLAG_IN_AUTOLOOP)) {
|
||||
ast_channel_priority_set(chan, ast_channel_priority(chan) + 1);
|
||||
}
|
||||
|
||||
ast_debug(1, "Setup after bridge goto location to %s,%s,%d.\n",
|
||||
ast_channel_context(chan),
|
||||
ast_channel_exten(chan),
|
||||
ast_channel_priority(chan));
|
||||
}
|
||||
}
|
||||
|
||||
/* Discard after bridge goto datastore. */
|
||||
ast_datastore_free(datastore);
|
||||
|
||||
return goto_failed;
|
||||
}
|
||||
|
||||
void ast_bridge_run_after_goto(struct ast_channel *chan)
|
||||
{
|
||||
int goto_failed;
|
||||
|
||||
goto_failed = ast_bridge_setup_after_goto(chan);
|
||||
if (goto_failed || ast_pbx_run(chan)) {
|
||||
ast_hangup(chan);
|
||||
}
|
||||
}
|
||||
|
||||
/*!
|
||||
* \internal
|
||||
* \brief Set after bridge goto location of channel.
|
||||
* \since 12.0.0
|
||||
*
|
||||
* \param chan Channel to setup after bridge goto location.
|
||||
* \param run_h_exten TRUE if the h exten should be run.
|
||||
* \param specific TRUE if the context/exten/priority is exactly specified.
|
||||
* \param context Context to goto after bridge.
|
||||
* \param exten Exten to goto after bridge. (Could be NULL if run_h_exten)
|
||||
* \param priority Priority to goto after bridge.
|
||||
* \param parseable_goto User specified goto string. (Could be NULL)
|
||||
*
|
||||
* \details Add a channel datastore to setup the goto location
|
||||
* when the channel leaves the bridge and run a PBX from there.
|
||||
*
|
||||
* If run_h_exten then execute the h exten found in the given context.
|
||||
* Else if specific then goto the given context/exten/priority.
|
||||
* Else if parseable_goto then use the given context/exten/priority
|
||||
* as the relative position for the parseable_goto.
|
||||
* Else goto the given context/exten/priority+1.
|
||||
*
|
||||
* \return Nothing
|
||||
*/
|
||||
static void __after_bridge_set_goto(struct ast_channel *chan, int run_h_exten, int specific, const char *context, const char *exten, int priority, const char *parseable_goto)
|
||||
{
|
||||
struct ast_datastore *datastore;
|
||||
struct after_bridge_goto_ds *after_bridge;
|
||||
|
||||
/* Sanity checks. */
|
||||
ast_assert(chan != NULL);
|
||||
if (!chan) {
|
||||
return;
|
||||
}
|
||||
if (run_h_exten) {
|
||||
ast_assert(run_h_exten && context);
|
||||
if (!context) {
|
||||
return;
|
||||
}
|
||||
} else {
|
||||
ast_assert(context && exten && 0 < priority);
|
||||
if (!context || !exten || priority < 1) {
|
||||
return;
|
||||
}
|
||||
}
|
||||
|
||||
/* Create a new datastore. */
|
||||
datastore = ast_datastore_alloc(&after_bridge_goto_info, NULL);
|
||||
if (!datastore) {
|
||||
return;
|
||||
}
|
||||
after_bridge = ast_calloc(1, sizeof(*after_bridge));
|
||||
if (!after_bridge) {
|
||||
ast_datastore_free(datastore);
|
||||
return;
|
||||
}
|
||||
|
||||
/* Initialize it. */
|
||||
after_bridge->parseable_goto = ast_strdup(parseable_goto);
|
||||
after_bridge->context = ast_strdup(context);
|
||||
after_bridge->exten = ast_strdup(exten);
|
||||
after_bridge->priority = priority;
|
||||
after_bridge->run_h_exten = run_h_exten ? 1 : 0;
|
||||
after_bridge->specific = specific ? 1 : 0;
|
||||
datastore->data = after_bridge;
|
||||
if ((parseable_goto && !after_bridge->parseable_goto)
|
||||
|| (context && !after_bridge->context)
|
||||
|| (exten && !after_bridge->exten)) {
|
||||
ast_datastore_free(datastore);
|
||||
return;
|
||||
}
|
||||
|
||||
/* Put it on the channel replacing any existing one. */
|
||||
ast_channel_lock(chan);
|
||||
ast_bridge_discard_after_goto(chan);
|
||||
ast_channel_datastore_add(chan, datastore);
|
||||
ast_channel_unlock(chan);
|
||||
}
|
||||
|
||||
void ast_bridge_set_after_goto(struct ast_channel *chan, const char *context, const char *exten, int priority)
|
||||
{
|
||||
__after_bridge_set_goto(chan, 0, 1, context, exten, priority, NULL);
|
||||
}
|
||||
|
||||
void ast_bridge_set_after_h(struct ast_channel *chan, const char *context)
|
||||
{
|
||||
__after_bridge_set_goto(chan, 1, 0, context, NULL, 1, NULL);
|
||||
}
|
||||
|
||||
void ast_bridge_set_after_go_on(struct ast_channel *chan, const char *context, const char *exten, int priority, const char *parseable_goto)
|
||||
{
|
||||
char *p_goto;
|
||||
|
||||
if (!ast_strlen_zero(parseable_goto)) {
|
||||
p_goto = ast_strdupa(parseable_goto);
|
||||
ast_replace_subargument_delimiter(p_goto);
|
||||
} else {
|
||||
p_goto = NULL;
|
||||
}
|
||||
__after_bridge_set_goto(chan, 0, 0, context, exten, priority, p_goto);
|
||||
}
|
File diff suppressed because it is too large
Load Diff
Loading…
Reference in new issue