This is the fifth patch in a series meant to reduce the bulk of pbx.c. This moves ast_switch functions to their own source. Change-Id: Ic2592a18a5c4d8a3c2dcf9786c9a6f650a8c628e
134 lines
3 KiB
C
134 lines
3 KiB
C
/*
|
|
* Asterisk -- An open source telephony toolkit.
|
|
*
|
|
* Copyright (C) 2016, CFWare, LLC
|
|
*
|
|
* Corey Farrell <git@cfware.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 PBX switch routines.
|
|
*
|
|
* \author Corey Farrell <git@cfware.com>
|
|
*/
|
|
|
|
/*** MODULEINFO
|
|
<support_level>core</support_level>
|
|
***/
|
|
|
|
#include "asterisk.h"
|
|
|
|
ASTERISK_REGISTER_FILE()
|
|
|
|
#include "asterisk/_private.h"
|
|
#include "asterisk/cli.h"
|
|
#include "asterisk/linkedlists.h"
|
|
#include "asterisk/pbx.h"
|
|
#include "pbx_private.h"
|
|
|
|
static AST_RWLIST_HEAD_STATIC(switches, ast_switch);
|
|
|
|
struct ast_switch *pbx_findswitch(const char *sw)
|
|
{
|
|
struct ast_switch *asw;
|
|
|
|
AST_RWLIST_RDLOCK(&switches);
|
|
AST_RWLIST_TRAVERSE(&switches, asw, list) {
|
|
if (!strcasecmp(asw->name, sw))
|
|
break;
|
|
}
|
|
AST_RWLIST_UNLOCK(&switches);
|
|
|
|
return asw;
|
|
}
|
|
|
|
/*
|
|
* Append to the list. We don't have a tail pointer because we need
|
|
* to scan the list anyways to check for duplicates during insertion.
|
|
*/
|
|
int ast_register_switch(struct ast_switch *sw)
|
|
{
|
|
struct ast_switch *tmp;
|
|
|
|
AST_RWLIST_WRLOCK(&switches);
|
|
AST_RWLIST_TRAVERSE(&switches, tmp, list) {
|
|
if (!strcasecmp(tmp->name, sw->name)) {
|
|
AST_RWLIST_UNLOCK(&switches);
|
|
ast_log(LOG_WARNING, "Switch '%s' already found\n", sw->name);
|
|
return -1;
|
|
}
|
|
}
|
|
AST_RWLIST_INSERT_TAIL(&switches, sw, list);
|
|
AST_RWLIST_UNLOCK(&switches);
|
|
|
|
return 0;
|
|
}
|
|
|
|
void ast_unregister_switch(struct ast_switch *sw)
|
|
{
|
|
AST_RWLIST_WRLOCK(&switches);
|
|
AST_RWLIST_REMOVE(&switches, sw, list);
|
|
AST_RWLIST_UNLOCK(&switches);
|
|
}
|
|
|
|
/*! \brief handle_show_switches: CLI support for listing registered dial plan switches */
|
|
static char *handle_show_switches(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
|
|
{
|
|
struct ast_switch *sw;
|
|
|
|
switch (cmd) {
|
|
case CLI_INIT:
|
|
e->command = "core show switches";
|
|
e->usage =
|
|
"Usage: core show switches\n"
|
|
" List registered switches\n";
|
|
return NULL;
|
|
case CLI_GENERATE:
|
|
return NULL;
|
|
}
|
|
|
|
AST_RWLIST_RDLOCK(&switches);
|
|
|
|
if (AST_RWLIST_EMPTY(&switches)) {
|
|
AST_RWLIST_UNLOCK(&switches);
|
|
ast_cli(a->fd, "There are no registered alternative switches\n");
|
|
return CLI_SUCCESS;
|
|
}
|
|
|
|
ast_cli(a->fd, "\n -= Registered Asterisk Alternative Switches =-\n");
|
|
AST_RWLIST_TRAVERSE(&switches, sw, list)
|
|
ast_cli(a->fd, "%s: %s\n", sw->name, sw->description);
|
|
|
|
AST_RWLIST_UNLOCK(&switches);
|
|
|
|
return CLI_SUCCESS;
|
|
}
|
|
|
|
static struct ast_cli_entry sw_cli[] = {
|
|
AST_CLI_DEFINE(handle_show_switches, "Show alternative switches"),
|
|
};
|
|
|
|
static void unload_pbx_switch(void)
|
|
{
|
|
ast_cli_unregister_multiple(sw_cli, ARRAY_LEN(sw_cli));
|
|
}
|
|
|
|
int load_pbx_switch(void)
|
|
{
|
|
ast_cli_register_multiple(sw_cli, ARRAY_LEN(sw_cli));
|
|
ast_register_cleanup(unload_pbx_switch);
|
|
|
|
return 0;
|
|
}
|