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54a8f1a396
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
3.0 KiB
C
134 lines
3.0 KiB
C
/*
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* Asterisk -- An open source telephony toolkit.
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*
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* Copyright (C) 2016, CFWare, LLC
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*
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* Corey Farrell <git@cfware.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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/*! \file
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*
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* \brief PBX switch routines.
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*
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* \author Corey Farrell <git@cfware.com>
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*/
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/*** MODULEINFO
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<support_level>core</support_level>
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***/
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#include "asterisk.h"
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ASTERISK_REGISTER_FILE()
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#include "asterisk/_private.h"
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#include "asterisk/cli.h"
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#include "asterisk/linkedlists.h"
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#include "asterisk/pbx.h"
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#include "pbx_private.h"
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static AST_RWLIST_HEAD_STATIC(switches, ast_switch);
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struct ast_switch *pbx_findswitch(const char *sw)
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{
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struct ast_switch *asw;
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AST_RWLIST_RDLOCK(&switches);
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AST_RWLIST_TRAVERSE(&switches, asw, list) {
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if (!strcasecmp(asw->name, sw))
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break;
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}
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AST_RWLIST_UNLOCK(&switches);
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return asw;
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}
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/*
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* Append to the list. We don't have a tail pointer because we need
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* to scan the list anyways to check for duplicates during insertion.
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*/
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int ast_register_switch(struct ast_switch *sw)
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{
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struct ast_switch *tmp;
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AST_RWLIST_WRLOCK(&switches);
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AST_RWLIST_TRAVERSE(&switches, tmp, list) {
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if (!strcasecmp(tmp->name, sw->name)) {
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AST_RWLIST_UNLOCK(&switches);
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ast_log(LOG_WARNING, "Switch '%s' already found\n", sw->name);
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return -1;
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}
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}
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AST_RWLIST_INSERT_TAIL(&switches, sw, list);
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AST_RWLIST_UNLOCK(&switches);
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return 0;
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}
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void ast_unregister_switch(struct ast_switch *sw)
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{
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AST_RWLIST_WRLOCK(&switches);
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AST_RWLIST_REMOVE(&switches, sw, list);
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AST_RWLIST_UNLOCK(&switches);
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}
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/*! \brief handle_show_switches: CLI support for listing registered dial plan switches */
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static char *handle_show_switches(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
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{
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struct ast_switch *sw;
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switch (cmd) {
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case CLI_INIT:
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e->command = "core show switches";
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e->usage =
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"Usage: core show switches\n"
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" List registered switches\n";
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return NULL;
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case CLI_GENERATE:
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return NULL;
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}
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AST_RWLIST_RDLOCK(&switches);
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if (AST_RWLIST_EMPTY(&switches)) {
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AST_RWLIST_UNLOCK(&switches);
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ast_cli(a->fd, "There are no registered alternative switches\n");
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return CLI_SUCCESS;
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}
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ast_cli(a->fd, "\n -= Registered Asterisk Alternative Switches =-\n");
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AST_RWLIST_TRAVERSE(&switches, sw, list)
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ast_cli(a->fd, "%s: %s\n", sw->name, sw->description);
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AST_RWLIST_UNLOCK(&switches);
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return CLI_SUCCESS;
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}
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static struct ast_cli_entry sw_cli[] = {
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AST_CLI_DEFINE(handle_show_switches, "Show alternative switches"),
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};
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static void unload_pbx_switch(void)
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{
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ast_cli_unregister_multiple(sw_cli, ARRAY_LEN(sw_cli));
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}
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int load_pbx_switch(void)
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{
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ast_cli_register_multiple(sw_cli, ARRAY_LEN(sw_cli));
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ast_register_cleanup(unload_pbx_switch);
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return 0;
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}
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