Version 0.2.0 from FTP

git-svn-id: http://svn.digium.com/svn/zaptel/trunk@73 5390a7c7-147a-4af0-8ec9-7488f05a26cb

1 files changed, 140 insertions, 0 deletions

diff --git a/ztmonitor.c b/ztmonitor.c
new file mode 100755
index 0000000..d10f47e
--- /dev/null
+++ b/ztmonitor.c
@@ -0,0 +1,140 @@
+/*
+ * Monitor a Zaptel Channel
+ *
+ * Written by Mark Spencer <markster@linux-support.net>
+ * Based on previous works, designs, and architectures conceived and
+ * written by Jim Dixon <jim@lambdatel.com>.
+ *
+ * Copyright (C) 2001 Jim Dixon / Zapata Telephony.
+ * Copyright (C) 2001 Linux Support Services, Inc.
+ *
+ * All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under thet erms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 
+ *
+ * Primary Author: Mark Spencer <markster@linux-support.net>
+ *
+ */
+
+#include <stdio.h> 
+#include <getopt.h>
+#include <string.h>
+#include <stdarg.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <sys/ioctl.h>
+#include <fcntl.h>
+#include <errno.h>
+#ifdef STANDALONE_ZAPATA
+#include "zaptel.h"
+#include "tonezone.h"
+#else
+#include <linux/zaptel.h>
+#include <tonezone.h>
+#endif
+#include <linux/soundcard.h>
+
+int audio_open(void)
+{
+	int fd;
+	int speed = 8000;
+	int fmt = AFMT_S16_LE;
+	int stereo = 0;
+	fd = open("/dev/dsp", O_WRONLY);
+	if (fd < 0) {
+		fprintf(stderr, "Unable to open /dev/dsp: %s\n", strerror(errno));
+		return -1;
+	}
+	/* Step 1: Signed linear */
+	if (ioctl(fd, SNDCTL_DSP_SETFMT, &fmt) < 0) {
+		fprintf(stderr, "ioctl(SETFMT) failed: %s\n", strerror(errno));
+		close(fd);
+		return -1;
+	}
+	/* Step 2: Make non-stereo */
+	if (ioctl(fd, SNDCTL_DSP_STEREO, &stereo) < 0) {
+		fprintf(stderr, "ioctl(STEREO) failed: %s\n", strerror(errno));
+		close(fd);
+		return -1;
+	}
+	/* Step 3: Make 8000 Hz */
+	if (ioctl(fd, SNDCTL_DSP_SPEED, &speed) < 0) {
+		fprintf(stderr, "ioctl(SPEED) failed: %s\n", strerror(errno));
+		close(fd);
+		return -1;
+	}
+	if (speed != 8000) 
+		fprintf(stderr, "Warning: Requested 8000 Hz, got %d\n", speed);
+	return fd;
+}
+
+int pseudo_open(void)
+{
+	int fd;
+	int x = 1;
+	fd = open("/dev/zap/pseudo", O_RDWR);
+	if (fd < 0) {
+		fprintf(stderr, "Unable to open pseudo channel: %s\n", strerror(errno));
+		return -1;
+	}
+	if (ioctl(fd, ZT_SETLINEAR, &x)) {
+		fprintf(stderr, "Unable to set linear mode: %s\n", strerror(errno));
+		close(fd);
+		return -1;
+	}
+	x = 240;
+	if (ioctl(fd, ZT_SET_BLOCKSIZE, &x)) {
+		fprintf(stderr, "unable to set sane block size: %s\n", strerror(errno));
+		close(fd);
+		return -1;
+	}
+	return fd;
+}
+
+int main(int argc, char *argv[])
+{
+	int afd, pfd;
+	char buf[8192];
+	int res;
+	struct zt_confinfo zc;
+
+	if ((argc < 2) || (atoi(argv[1]) < 1)) {
+		fprintf(stderr, "Usage: ztmonitor <channel num>\n");
+		exit(1);
+	}
+	/* Open audio */
+	if ((afd = audio_open()) < 0)
+		exit(1);
+	/* Open Pseudo device */
+	if ((pfd = pseudo_open()) < 0)
+		exit(1);
+	/* Conference them */
+	memset(&zc, 0, sizeof(zc));
+	zc.chan = 0;
+	zc.confno = atoi(argv[1]);
+	zc.confmode = ZT_CONF_MONITORBOTH;
+	if (ioctl(pfd, ZT_SETCONF, &zc) < 0) {
+		fprintf(stderr, "Unable to monitor: %s\n", strerror(errno));
+		exit(1);
+	}
+	/* Now, copy from pseudo to audio */
+	for (;;) {
+		res = read(pfd, buf, sizeof(buf));
+		if (res < 1) 
+			break;
+		write(afd, buf, res);
+	}
+	exit(0);
+}