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/*
* Asterisk -- A telephony toolkit for Linux.
*
* Channel Management
*
* Copyright (C) 1999, Mark Spencer
*
* Mark Spencer <markster@linux-support.net>
*
* This program is free software, distributed under the terms of
* the GNU General Public License
*/
#include <stdio.h>
#include <stdlib.h>
#include <pthread.h>
#include <string.h>
#include <sys/time.h>
#include <signal.h>
#include <errno.h>
#include <unistd.h>
#include <dirent.h>
#include <asterisk/channel.h>
#include <asterisk/file.h>
#include <asterisk/app.h>
#include <asterisk/dsp.h>
#include <asterisk/logger.h>
#include <asterisk/options.h>
#include "asterisk.h"
#include "astconf.h"
/* set timeout to 0 for "standard" timeouts. Set timeout to -1 for
"ludicrous time" (essentially never times out) */
int ast_app_getdata(struct ast_channel *c, char *prompt, char *s, int maxlen, int timeout)
{
int res,to,fto;
if (prompt) {
res = ast_streamfile(c, prompt, c->language);
if (res < 0)
return res;
}
fto = 6000;
to = 2000;
if (timeout > 0) fto = to = timeout;
if (timeout < 0) fto = to = 1000000000;
res = ast_readstring(c, s, maxlen, to, fto, "#");
return res;
}
int ast_app_getvoice(struct ast_channel *c, char *dest, char *dstfmt, char *prompt, int silence, int maxsec)
{
int res;
struct ast_filestream *writer;
int rfmt;
int totalms, total;
struct ast_frame *f;
struct ast_dsp *sildet;
/* Play prompt if requested */
if (prompt) {
res = ast_streamfile(c, prompt, c->language);
if (res < 0)
return res;
res = ast_waitstream(c,"");
if (res < 0)
return res;
}
rfmt = c->readformat;
res = ast_set_read_format(c, AST_FORMAT_SLINEAR);
if (res < 0) {
ast_log(LOG_WARNING, "Unable to set to linear mode, giving up\n");
return -1;
}
sildet = ast_dsp_new();
if (!sildet) {
ast_log(LOG_WARNING, "Unable to create silence detector :(\n");
return -1;
}
writer = ast_writefile(dest, dstfmt, "Voice file", 0, 0, 0666);
if (!writer) {
ast_log(LOG_WARNING, "Unable to open file '%s' in format '%s' for writing\n", dest, dstfmt);
ast_dsp_free(sildet);
return -1;
}
for(;;) {
if ((res = ast_waitfor(c, 2000)) < 0) {
ast_log(LOG_NOTICE, "Waitfor failed while recording file '%s' format '%s'\n", dest, dstfmt);
break;
}
if (res) {
f = ast_read(c);
if (!f) {
ast_log(LOG_NOTICE, "Hungup while recording file '%s' format '%s'\n", dest, dstfmt);
break;
}
if ((f->frametype == AST_FRAME_DTMF) && (f->subclass == '#')) {
/* Ended happily with DTMF */
ast_frfree(f);
break;
} else if (f->frametype == AST_FRAME_VOICE) {
ast_dsp_silence(sildet, f, &total);
if (total > silence) {
/* Ended happily with silence */
ast_frfree(f);
break;
}
totalms += f->samples / 8;
if (totalms > maxsec * 1000) {
/* Ended happily with too much stuff */
ast_log(LOG_NOTICE, "Constraining voice on '%s' to %d seconds\n", c->name, maxsec);
ast_frfree(f);
break;
}
}
ast_frfree(f);
}
}
res = ast_set_read_format(c, rfmt);
if (res)
ast_log(LOG_WARNING, "Unable to restore read format on '%s'\n", c->name);
ast_dsp_free(sildet);
ast_closestream(writer);
return 0;
}
int ast_app_has_voicemail(char *mailbox)
{
DIR *dir;
struct dirent *de;
char fn[256];
/* If no mailbox, return immediately */
if (!strlen(mailbox))
return 0;
snprintf(fn, sizeof(fn), "%s/vm/%s/INBOX", (char *)ast_config_AST_SPOOL_DIR, mailbox);
dir = opendir(fn);
if (!dir)
return 0;
while ((de = readdir(dir))) {
if (!strncasecmp(de->d_name, "msg", 3))
break;
}
closedir(dir);
if (de)
return 1;
return 0;
}
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