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f5c18f62a1
git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@3277 65c4cc65-6c06-0410-ace0-fbb531ad65f3
130 lines
2.5 KiB
C
Executable File
130 lines
2.5 KiB
C
Executable File
/*
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* Asterisk -- A telephony toolkit for Linux.
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*
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* Wait for Ring Application
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*
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* Copyright (C) 2003, Digium
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*
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* Mark Spencer <markster@linux-support.net>
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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
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*/
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#include <sys/types.h>
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#include <asterisk/file.h>
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#include <asterisk/logger.h>
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#include <asterisk/channel.h>
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#include <asterisk/pbx.h>
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#include <asterisk/module.h>
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#include <asterisk/options.h>
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#include <asterisk/lock.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <string.h>
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#include <stdlib.h>
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static char *synopsis = "Wait for Ring Application";
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static char *tdesc = "Waits until first ring after time";
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static char *desc = " WaitForRing(timeout)\n"
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"Returns 0 after waiting at least timeout seconds. and\n"
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"only after the next ring has completed. Returns 0 on\n"
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"success or -1 on hangup\n";
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static char *app = "WaitForRing";
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STANDARD_LOCAL_USER;
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LOCAL_USER_DECL;
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static int waitforring_exec(struct ast_channel *chan, void *data)
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{
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struct localuser *u;
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struct ast_frame *f;
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int res = 0;
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int ms;
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if (!data || (sscanf(data, "%d", &ms) != 1)) {
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ast_log(LOG_WARNING, "WaitForRing requires an argument (minimum seconds)\n");
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return 0;
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}
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ms *= 1000;
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LOCAL_USER_ADD(u);
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while(ms > 0) {
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ms = ast_waitfor(chan, ms);
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if (ms < 0) {
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res = ms;
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break;
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}
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if (ms > 0) {
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f = ast_read(chan);
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if (!f) {
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res = -1;
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break;
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}
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if ((f->frametype == AST_FRAME_CONTROL) && (f->subclass == AST_CONTROL_RING)) {
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if (option_verbose > 2)
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ast_verbose(VERBOSE_PREFIX_3 "Got a ring but still waiting for timeout\n");
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}
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ast_frfree(f);
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}
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}
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/* Now we're really ready for the ring */
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if (!res) {
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ms = 99999999;
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while(ms > 0) {
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ms = ast_waitfor(chan, ms);
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if (ms < 0) {
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res = ms;
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break;
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}
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if (ms > 0) {
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f = ast_read(chan);
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if (!f) {
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res = -1;
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break;
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}
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if ((f->frametype == AST_FRAME_CONTROL) && (f->subclass == AST_CONTROL_RING)) {
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if (option_verbose > 2)
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ast_verbose(VERBOSE_PREFIX_3 "Got a ring after the timeout\n");
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ast_frfree(f);
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break;
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}
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ast_frfree(f);
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}
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}
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}
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LOCAL_USER_REMOVE(u);
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return res;
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}
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int unload_module(void)
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{
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STANDARD_HANGUP_LOCALUSERS;
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return ast_unregister_application(app);
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}
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int load_module(void)
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{
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return ast_register_application(app, waitforring_exec, synopsis, desc);
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}
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char *description(void)
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{
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return tdesc;
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}
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int usecount(void)
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{
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int res;
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STANDARD_USECOUNT(res);
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return res;
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}
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char *key()
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{
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return ASTERISK_GPL_KEY;
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}
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