2013-05-14 21:45:08 +00:00
|
|
|
/*
|
|
|
|
* Asterisk -- An open source telephony toolkit.
|
|
|
|
*
|
|
|
|
* Copyright (C) 2013, Digium, Inc.
|
|
|
|
*
|
|
|
|
* David M. Lee, II <dlee@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 Stasis application command support.
|
|
|
|
*
|
|
|
|
* \author David M. Lee, II <dlee@digium.com>
|
|
|
|
*/
|
|
|
|
|
|
|
|
#include "asterisk.h"
|
|
|
|
|
|
|
|
ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
|
|
|
|
|
|
|
|
#include "command.h"
|
|
|
|
|
|
|
|
#include "asterisk/lock.h"
|
|
|
|
#include "asterisk/stasis_app_impl.h"
|
|
|
|
|
|
|
|
struct stasis_app_command {
|
|
|
|
ast_mutex_t lock;
|
|
|
|
ast_cond_t condition;
|
|
|
|
stasis_app_command_cb callback;
|
|
|
|
void *data;
|
2013-12-13 16:38:57 +00:00
|
|
|
int retval;
|
2013-05-14 21:45:08 +00:00
|
|
|
int is_done:1;
|
|
|
|
};
|
|
|
|
|
|
|
|
static void command_dtor(void *obj)
|
|
|
|
{
|
|
|
|
struct stasis_app_command *command = obj;
|
|
|
|
ast_mutex_destroy(&command->lock);
|
|
|
|
ast_cond_destroy(&command->condition);
|
|
|
|
}
|
|
|
|
|
|
|
|
struct stasis_app_command *command_create(
|
|
|
|
stasis_app_command_cb callback, void *data)
|
|
|
|
{
|
|
|
|
RAII_VAR(struct stasis_app_command *, command, NULL, ao2_cleanup);
|
|
|
|
|
|
|
|
command = ao2_alloc(sizeof(*command), command_dtor);
|
|
|
|
if (!command) {
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
ast_mutex_init(&command->lock);
|
|
|
|
ast_cond_init(&command->condition, 0);
|
|
|
|
command->callback = callback;
|
|
|
|
command->data = data;
|
|
|
|
|
|
|
|
ao2_ref(command, +1);
|
|
|
|
return command;
|
|
|
|
}
|
|
|
|
|
2013-12-13 16:38:57 +00:00
|
|
|
void command_complete(struct stasis_app_command *command, int retval)
|
2013-05-14 21:45:08 +00:00
|
|
|
{
|
|
|
|
SCOPED_MUTEX(lock, &command->lock);
|
|
|
|
|
|
|
|
command->is_done = 1;
|
|
|
|
command->retval = retval;
|
|
|
|
ast_cond_signal(&command->condition);
|
|
|
|
}
|
|
|
|
|
2013-12-13 16:38:57 +00:00
|
|
|
int command_join(struct stasis_app_command *command)
|
2013-05-14 21:45:08 +00:00
|
|
|
{
|
|
|
|
SCOPED_MUTEX(lock, &command->lock);
|
|
|
|
while (!command->is_done) {
|
|
|
|
ast_cond_wait(&command->condition, &command->lock);
|
|
|
|
}
|
|
|
|
|
|
|
|
return command->retval;
|
|
|
|
}
|
|
|
|
|
|
|
|
void command_invoke(struct stasis_app_command *command,
|
|
|
|
struct stasis_app_control *control, struct ast_channel *chan)
|
|
|
|
{
|
2013-12-13 16:38:57 +00:00
|
|
|
int retval = command->callback(control, chan, command->data);
|
2013-05-14 21:45:08 +00:00
|
|
|
command_complete(command, retval);
|
|
|
|
}
|
|
|
|
|