mirror of
https://github.com/asterisk/asterisk.git
synced 2025-10-31 02:37:10 +00:00
merge new_loader_completion branch, including (at least):
- restructured build tree and makefiles to eliminate recursion problems - support for embedded modules - support for static builds - simpler cross-compilation support - simpler module/loader interface (no exported symbols) git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@40722 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Kevin P. Fleming
688
utils/muted.c
Normal file
688
utils/muted.c
Normal file
@@ -0,0 +1,688 @@
|
||||
/*
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* Asterisk -- An open source telephony toolkit.
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*
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* Copyright (C) 1999 - 2005, Digium, Inc.
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*
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* Mark Spencer <markster@digium.com>
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*
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||||
* Updated for Mac OSX CoreAudio
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||||
* by Josh Roberson <josh@asteriasgi.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 Mute Daemon
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*
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* \author Mark Spencer <markster@digium.com>
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||||
*
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||||
* Updated for Mac OSX CoreAudio
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||||
* \arg Josh Roberson <josh@asteriasgi.com>
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||||
*
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||||
* \note Specially written for Malcolm Davenport, but I think I'll use it too
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||||
* Connects to the Asterisk Manager Interface, AMI, and listens for events
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||||
* on certain devices. If a phone call is connected to one of the devices (phones)
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* the local sound is muted to a lower volume during the call.
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*
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*/
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||||
#ifndef __Darwin__
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#include <linux/soundcard.h>
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#else
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#include <CoreAudio/AudioHardware.h>
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||||
#endif
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||||
#include <stdio.h>
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||||
#include <errno.h>
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||||
#include <stdlib.h>
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#include <unistd.h>
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||||
#include <fcntl.h>
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||||
#include <string.h>
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||||
#include <netdb.h>
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||||
#include <sys/socket.h>
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||||
#include <sys/ioctl.h>
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#include <netinet/in.h>
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#include <arpa/inet.h>
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static char *config = "/etc/muted.conf";
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static char host[256] = "";
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static char user[256] = "";
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static char pass[256] = "";
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static int smoothfade = 0;
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static int mutelevel = 20;
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static int muted = 0;
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static int needfork = 1;
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static int debug = 0;
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static int stepsize = 3;
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#ifndef __Darwin__
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static int mixchan = SOUND_MIXER_VOLUME;
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#endif
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|
||||
struct subchannel {
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char *name;
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||||
struct subchannel *next;
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};
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||||
|
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static struct channel {
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char *tech;
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char *location;
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struct channel *next;
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struct subchannel *subs;
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} *channels;
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static void add_channel(char *tech, char *location)
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{
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struct channel *chan;
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chan = malloc(sizeof(struct channel));
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if (chan) {
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memset(chan, 0, sizeof(struct channel));
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chan->tech = strdup(tech);
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chan->location = strdup(location);
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chan->next = channels;
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channels = chan;
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}
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||||
|
||||
}
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||||
|
||||
static int load_config(void)
|
||||
{
|
||||
FILE *f;
|
||||
char buf[1024];
|
||||
char *val;
|
||||
char *val2;
|
||||
int lineno=0;
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||||
int x;
|
||||
f = fopen(config, "r");
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||||
if (!f) {
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||||
fprintf(stderr, "Unable to open config file '%s': %s\n", config, strerror(errno));
|
||||
return -1;
|
||||
}
|
||||
while(!feof(f)) {
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||||
fgets(buf, sizeof(buf), f);
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||||
if (!feof(f)) {
|
||||
lineno++;
|
||||
val = strchr(buf, '#');
|
||||
if (val) *val = '\0';
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||||
while(strlen(buf) && (buf[strlen(buf) - 1] < 33))
|
||||
buf[strlen(buf) - 1] = '\0';
|
||||
if (!strlen(buf))
|
||||
continue;
|
||||
val = buf;
|
||||
while(*val) {
|
||||
if (*val < 33)
|
||||
break;
|
||||
val++;
|
||||
}
|
||||
if (*val) {
|
||||
*val = '\0';
|
||||
val++;
|
||||
while(*val && (*val < 33)) val++;
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||||
}
|
||||
if (!strcasecmp(buf, "host")) {
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||||
if (val && strlen(val))
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||||
strncpy(host, val, sizeof(host) - 1);
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else
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fprintf(stderr, "host needs an argument (the host) at line %d\n", lineno);
|
||||
} else if (!strcasecmp(buf, "user")) {
|
||||
if (val && strlen(val))
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strncpy(user, val, sizeof(user) - 1);
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||||
else
|
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fprintf(stderr, "user needs an argument (the user) at line %d\n", lineno);
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||||
} else if (!strcasecmp(buf, "pass")) {
|
||||
if (val && strlen(val))
|
||||
strncpy(pass, val, sizeof(pass) - 1);
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||||
else
|
||||
fprintf(stderr, "pass needs an argument (the password) at line %d\n", lineno);
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||||
} else if (!strcasecmp(buf, "smoothfade")) {
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||||
smoothfade = 1;
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||||
} else if (!strcasecmp(buf, "mutelevel")) {
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if (val && (sscanf(val, "%d", &x) == 1) && (x > -1) && (x < 101)) {
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mutelevel = x;
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} else
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||||
fprintf(stderr, "mutelevel must be a number from 0 (most muted) to 100 (no mute) at line %d\n", lineno);
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} else if (!strcasecmp(buf, "channel")) {
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if (val && strlen(val)) {
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val2 = strchr(val, '/');
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if (val2) {
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*val2 = '\0';
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val2++;
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add_channel(val, val2);
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} else
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fprintf(stderr, "channel needs to be of the format Tech/Location at line %d\n", lineno);
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} else
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fprintf(stderr, "channel needs an argument (the channel) at line %d\n", lineno);
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||||
} else {
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||||
fprintf(stderr, "ignoring unknown keyword '%s'\n", buf);
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||||
}
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||||
}
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||||
}
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||||
fclose(f);
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||||
if (!strlen(host))
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fprintf(stderr, "no 'host' specification in config file\n");
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else if (!strlen(user))
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fprintf(stderr, "no 'user' specification in config file\n");
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||||
else if (!channels)
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||||
fprintf(stderr, "no 'channel' specifications in config file\n");
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||||
else
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||||
return 0;
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||||
return -1;
|
||||
}
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||||
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||||
static FILE *astf;
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||||
#ifndef __Darwin__
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||||
static int mixfd;
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||||
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||||
static int open_mixer(void)
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||||
{
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||||
mixfd = open("/dev/mixer", O_RDWR);
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||||
if (mixfd < 0) {
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||||
fprintf(stderr, "Unable to open /dev/mixer: %s\n", strerror(errno));
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||||
return -1;
|
||||
}
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||||
return 0;
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||||
}
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||||
#endif /* !__Darwin */
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||||
|
||||
/*! Connect to the asterisk manager interface */
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||||
static int connect_asterisk(void)
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||||
{
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||||
int sock;
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||||
struct hostent *hp;
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||||
char *ports;
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||||
int port = 5038;
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||||
struct sockaddr_in sin;
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||||
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||||
ports = strchr(host, ':');
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||||
if (ports) {
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||||
*ports = '\0';
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||||
ports++;
|
||||
if ((sscanf(ports, "%d", &port) != 1) || (port < 1) || (port > 65535)) {
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||||
fprintf(stderr, "'%s' is not a valid port number in the hostname\n", ports);
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||||
return -1;
|
||||
}
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||||
}
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||||
hp = gethostbyname(host);
|
||||
if (!hp) {
|
||||
fprintf(stderr, "Can't find host '%s'\n", host);
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||||
return -1;
|
||||
}
|
||||
sock = socket(AF_INET, SOCK_STREAM, 0);
|
||||
if (sock < 0) {
|
||||
fprintf(stderr, "Failed to create socket: %s\n", strerror(errno));
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||||
return -1;
|
||||
}
|
||||
sin.sin_family = AF_INET;
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||||
sin.sin_port = htons(port);
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||||
memcpy(&sin.sin_addr, hp->h_addr, sizeof(sin.sin_addr));
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if (connect(sock, &sin, sizeof(sin))) {
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||||
fprintf(stderr, "Failed to connect to '%s' port '%d': %s\n", host, port, strerror(errno));
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close(sock);
|
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return -1;
|
||||
}
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||||
astf = fdopen(sock, "r+");
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||||
if (!astf) {
|
||||
fprintf(stderr, "fdopen failed: %s\n", strerror(errno));
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||||
close(sock);
|
||||
return -1;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
static char *get_line(void)
|
||||
{
|
||||
static char buf[1024];
|
||||
if (fgets(buf, sizeof(buf), astf)) {
|
||||
while(strlen(buf) && (buf[strlen(buf) - 1] < 33))
|
||||
buf[strlen(buf) - 1] = '\0';
|
||||
return buf;
|
||||
} else
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||||
return NULL;
|
||||
}
|
||||
|
||||
/*! Login to the asterisk manager interface */
|
||||
static int login_asterisk(void)
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||||
{
|
||||
char *welcome;
|
||||
char *resp;
|
||||
if (!(welcome = get_line())) {
|
||||
fprintf(stderr, "disconnected (1)\n");
|
||||
return -1;
|
||||
}
|
||||
fprintf(astf,
|
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"Action: Login\r\n"
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||||
"Username: %s\r\n"
|
||||
"Secret: %s\r\n\r\n", user, pass);
|
||||
if (!(welcome = get_line())) {
|
||||
fprintf(stderr, "disconnected (2)\n");
|
||||
return -1;
|
||||
}
|
||||
if (strcasecmp(welcome, "Response: Success")) {
|
||||
fprintf(stderr, "login failed ('%s')\n", welcome);
|
||||
return -1;
|
||||
}
|
||||
/* Eat the rest of the event */
|
||||
while((resp = get_line()) && strlen(resp));
|
||||
if (!resp) {
|
||||
fprintf(stderr, "disconnected (3)\n");
|
||||
return -1;
|
||||
}
|
||||
fprintf(astf,
|
||||
"Action: Status\r\n\r\n");
|
||||
if (!(welcome = get_line())) {
|
||||
fprintf(stderr, "disconnected (4)\n");
|
||||
return -1;
|
||||
}
|
||||
if (strcasecmp(welcome, "Response: Success")) {
|
||||
fprintf(stderr, "status failed ('%s')\n", welcome);
|
||||
return -1;
|
||||
}
|
||||
/* Eat the rest of the event */
|
||||
while((resp = get_line()) && strlen(resp));
|
||||
if (!resp) {
|
||||
fprintf(stderr, "disconnected (5)\n");
|
||||
return -1;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
static struct channel *find_channel(char *channel)
|
||||
{
|
||||
char tmp[256] = "";
|
||||
char *s, *t;
|
||||
struct channel *chan;
|
||||
strncpy(tmp, channel, sizeof(tmp) - 1);
|
||||
s = strchr(tmp, '/');
|
||||
if (s) {
|
||||
*s = '\0';
|
||||
s++;
|
||||
t = strrchr(s, '-');
|
||||
if (t) {
|
||||
*t = '\0';
|
||||
}
|
||||
if (debug)
|
||||
printf("Searching for '%s' tech, '%s' location\n", tmp, s);
|
||||
chan = channels;
|
||||
while(chan) {
|
||||
if (!strcasecmp(chan->tech, tmp) && !strcasecmp(chan->location, s)) {
|
||||
if (debug)
|
||||
printf("Found '%s'/'%s'\n", chan->tech, chan->location);
|
||||
break;
|
||||
}
|
||||
chan = chan->next;
|
||||
}
|
||||
} else
|
||||
chan = NULL;
|
||||
return chan;
|
||||
}
|
||||
|
||||
#ifndef __Darwin__
|
||||
static int getvol(void)
|
||||
{
|
||||
int vol;
|
||||
|
||||
if (ioctl(mixfd, MIXER_READ(mixchan), &vol)) {
|
||||
#else
|
||||
static float getvol(void)
|
||||
{
|
||||
float volumeL, volumeR, vol;
|
||||
OSStatus err;
|
||||
AudioDeviceID device;
|
||||
UInt32 size;
|
||||
UInt32 channels[2];
|
||||
|
||||
size = sizeof(device);
|
||||
err = AudioHardwareGetProperty(kAudioHardwarePropertyDefaultOutputDevice, &size, &device);
|
||||
size = sizeof(channels);
|
||||
if (!err)
|
||||
err = AudioDeviceGetProperty(device, 0, false, kAudioDevicePropertyPreferredChannelsForStereo, &size, &channels);
|
||||
size = sizeof(vol);
|
||||
if (!err)
|
||||
err = AudioDeviceGetProperty(device, channels[0], false, kAudioDevicePropertyVolumeScalar, &size, &volumeL);
|
||||
if (!err)
|
||||
err = AudioDeviceGetProperty(device, channels[1], false, kAudioDevicePropertyVolumeScalar, &size, &volumeR);
|
||||
if (!err)
|
||||
vol = (volumeL < volumeR) ? volumeR : volumeL;
|
||||
else {
|
||||
#endif
|
||||
fprintf(stderr, "Unable to read mixer volume: %s\n", strerror(errno));
|
||||
return -1;
|
||||
}
|
||||
return vol;
|
||||
}
|
||||
|
||||
#ifndef __Darwin__
|
||||
static int setvol(int vol)
|
||||
#else
|
||||
static int setvol(float vol)
|
||||
#endif
|
||||
{
|
||||
#ifndef __Darwin__
|
||||
if (ioctl(mixfd, MIXER_WRITE(mixchan), &vol)) {
|
||||
#else
|
||||
float volumeL = vol;
|
||||
float volumeR = vol;
|
||||
OSStatus err;
|
||||
AudioDeviceID device;
|
||||
UInt32 size;
|
||||
UInt32 channels[2];
|
||||
|
||||
size = sizeof(device);
|
||||
err = AudioHardwareGetProperty(kAudioHardwarePropertyDefaultOutputDevice, &size, &device);
|
||||
size = sizeof(channels);
|
||||
err = AudioDeviceGetProperty(device, 0, false, kAudioDevicePropertyPreferredChannelsForStereo, &size, &channels);
|
||||
size = sizeof(vol);
|
||||
if (!err)
|
||||
err = AudioDeviceSetProperty(device, 0, channels[0], false, kAudioDevicePropertyVolumeScalar, size, &volumeL);
|
||||
if (!err)
|
||||
err = AudioDeviceSetProperty(device, 0, channels[1], false, kAudioDevicePropertyVolumeScalar, size, &volumeR);
|
||||
if (err) {
|
||||
#endif
|
||||
|
||||
fprintf(stderr, "Unable to write mixer volume: %s\n", strerror(errno));
|
||||
return -1;
|
||||
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
#ifndef __Darwin__
|
||||
static int oldvol = 0;
|
||||
static int mutevol = 0;
|
||||
#else
|
||||
static float oldvol = 0;
|
||||
static float mutevol = 0;
|
||||
#endif
|
||||
|
||||
#ifndef __Darwin__
|
||||
static int mutedlevel(int orig, int mutelevel)
|
||||
{
|
||||
int l = orig >> 8;
|
||||
int r = orig & 0xff;
|
||||
l = (float)(mutelevel) * (float)(l) / 100.0;
|
||||
r = (float)(mutelevel) * (float)(r) / 100.0;
|
||||
|
||||
return (l << 8) | r;
|
||||
#else
|
||||
static float mutedlevel(float orig, float mutelevel)
|
||||
{
|
||||
float master = orig;
|
||||
master = mutelevel * master / 100.0;
|
||||
return master;
|
||||
#endif
|
||||
|
||||
}
|
||||
|
||||
static void mute(void)
|
||||
{
|
||||
#ifndef __Darwin__
|
||||
int vol;
|
||||
int start;
|
||||
int x;
|
||||
#else
|
||||
float vol;
|
||||
float start = 1.0;
|
||||
float x;
|
||||
#endif
|
||||
vol = getvol();
|
||||
oldvol = vol;
|
||||
if (smoothfade)
|
||||
#ifdef __Darwin__
|
||||
start = mutelevel;
|
||||
#else
|
||||
start = 100;
|
||||
else
|
||||
start = mutelevel;
|
||||
#endif
|
||||
for (x=start;x>=mutelevel;x-=stepsize) {
|
||||
mutevol = mutedlevel(vol, x);
|
||||
setvol(mutevol);
|
||||
/* Wait 0.01 sec */
|
||||
usleep(10000);
|
||||
}
|
||||
mutevol = mutedlevel(vol, mutelevel);
|
||||
setvol(mutevol);
|
||||
if (debug)
|
||||
#ifdef __Darwin__
|
||||
printf("Mute from '%f' to '%f'!\n", oldvol, mutevol);
|
||||
#else
|
||||
printf("Mute from '%04x' to '%04x'!\n", oldvol, mutevol);
|
||||
#endif
|
||||
muted = 1;
|
||||
}
|
||||
|
||||
static void unmute(void)
|
||||
{
|
||||
#ifdef __Darwin__
|
||||
float vol;
|
||||
float start;
|
||||
float x;
|
||||
#else
|
||||
int vol;
|
||||
int start;
|
||||
int x;
|
||||
#endif
|
||||
vol = getvol();
|
||||
if (debug)
|
||||
#ifdef __Darwin__
|
||||
printf("Unmute from '%f' (should be '%f') to '%f'!\n", vol, mutevol, oldvol);
|
||||
mutevol = vol;
|
||||
if (vol == mutevol) {
|
||||
#else
|
||||
printf("Unmute from '%04x' (should be '%04x') to '%04x'!\n", vol, mutevol, oldvol);
|
||||
if ((int)vol == mutevol) {
|
||||
#endif
|
||||
if (smoothfade)
|
||||
start = mutelevel;
|
||||
else
|
||||
#ifdef __Darwin__
|
||||
start = 1.0;
|
||||
#else
|
||||
start = 100;
|
||||
#endif
|
||||
for (x=start;x<100;x+=stepsize) {
|
||||
mutevol = mutedlevel(oldvol, x);
|
||||
setvol(mutevol);
|
||||
/* Wait 0.01 sec */
|
||||
usleep(10000);
|
||||
}
|
||||
setvol(oldvol);
|
||||
} else
|
||||
printf("Whoops, it's already been changed!\n");
|
||||
muted = 0;
|
||||
}
|
||||
|
||||
static void check_mute(void)
|
||||
{
|
||||
int offhook = 0;
|
||||
struct channel *chan;
|
||||
chan = channels;
|
||||
while(chan) {
|
||||
if (chan->subs) {
|
||||
offhook++;
|
||||
break;
|
||||
}
|
||||
chan = chan->next;
|
||||
}
|
||||
if (offhook && !muted)
|
||||
mute();
|
||||
else if (!offhook && muted)
|
||||
unmute();
|
||||
}
|
||||
|
||||
static void delete_sub(struct channel *chan, char *name)
|
||||
{
|
||||
struct subchannel *sub, *prev;
|
||||
prev = NULL;
|
||||
sub = chan->subs;
|
||||
while(sub) {
|
||||
if (!strcasecmp(sub->name, name)) {
|
||||
if (prev)
|
||||
prev->next = sub->next;
|
||||
else
|
||||
chan->subs = sub->next;
|
||||
free(sub->name);
|
||||
free(sub);
|
||||
return;
|
||||
}
|
||||
prev = sub;
|
||||
sub = sub->next;
|
||||
}
|
||||
}
|
||||
|
||||
static void append_sub(struct channel *chan, char *name)
|
||||
{
|
||||
struct subchannel *sub;
|
||||
sub = chan->subs;
|
||||
while(sub) {
|
||||
if (!strcasecmp(sub->name, name))
|
||||
return;
|
||||
sub = sub->next;
|
||||
}
|
||||
sub = malloc(sizeof(struct subchannel));
|
||||
if (sub) {
|
||||
memset(sub, 0, sizeof(struct subchannel));
|
||||
sub->name = strdup(name);
|
||||
sub->next = chan->subs;
|
||||
chan->subs = sub;
|
||||
}
|
||||
}
|
||||
|
||||
static void hangup_chan(char *channel)
|
||||
{
|
||||
struct channel *chan;
|
||||
if (debug)
|
||||
printf("Hangup '%s'\n", channel);
|
||||
chan = find_channel(channel);
|
||||
if (chan)
|
||||
delete_sub(chan, channel);
|
||||
check_mute();
|
||||
}
|
||||
|
||||
static void offhook_chan(char *channel)
|
||||
{
|
||||
struct channel *chan;
|
||||
if (debug)
|
||||
printf("Offhook '%s'\n", channel);
|
||||
chan = find_channel(channel);
|
||||
if (chan)
|
||||
append_sub(chan, channel);
|
||||
check_mute();
|
||||
}
|
||||
|
||||
static int wait_event(void)
|
||||
{
|
||||
char *resp;
|
||||
char event[120]="";
|
||||
char channel[120]="";
|
||||
char oldname[120]="";
|
||||
char newname[120]="";
|
||||
|
||||
resp = get_line();
|
||||
if (!resp) {
|
||||
fprintf(stderr, "disconnected (6)\n");
|
||||
return -1;
|
||||
}
|
||||
if (!strncasecmp(resp, "Event: ", strlen("Event: "))) {
|
||||
strncpy(event, resp + strlen("Event: "), sizeof(event) - 1);
|
||||
/* Consume the rest of the non-event */
|
||||
while((resp = get_line()) && strlen(resp)) {
|
||||
if (!strncasecmp(resp, "Channel: ", strlen("Channel: ")))
|
||||
strncpy(channel, resp + strlen("Channel: "), sizeof(channel) - 1);
|
||||
if (!strncasecmp(resp, "Newname: ", strlen("Newname: ")))
|
||||
strncpy(newname, resp + strlen("Newname: "), sizeof(newname) - 1);
|
||||
if (!strncasecmp(resp, "Oldname: ", strlen("Oldname: ")))
|
||||
strncpy(oldname, resp + strlen("Oldname: "), sizeof(oldname) - 1);
|
||||
}
|
||||
if (strlen(channel)) {
|
||||
if (!strcasecmp(event, "Hangup"))
|
||||
hangup_chan(channel);
|
||||
else
|
||||
offhook_chan(channel);
|
||||
}
|
||||
if (strlen(newname) && strlen(oldname)) {
|
||||
if (!strcasecmp(event, "Rename")) {
|
||||
hangup_chan(oldname);
|
||||
offhook_chan(newname);
|
||||
}
|
||||
}
|
||||
} else {
|
||||
/* Consume the rest of the non-event */
|
||||
while((resp = get_line()) && strlen(resp));
|
||||
}
|
||||
if (!resp) {
|
||||
fprintf(stderr, "disconnected (7)\n");
|
||||
return -1;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void usage(void)
|
||||
{
|
||||
printf("Usage: muted [-f] [-d]\n"
|
||||
" -f : Do not fork\n"
|
||||
" -d : Debug (implies -f)\n");
|
||||
}
|
||||
|
||||
int main(int argc, char *argv[])
|
||||
{
|
||||
int x;
|
||||
while((x = getopt(argc, argv, "fhd")) > 0) {
|
||||
switch(x) {
|
||||
case 'd':
|
||||
debug = 1;
|
||||
needfork = 0;
|
||||
break;
|
||||
case 'f':
|
||||
needfork = 0;
|
||||
break;
|
||||
case 'h':
|
||||
/* Fall through */
|
||||
default:
|
||||
usage();
|
||||
exit(1);
|
||||
}
|
||||
}
|
||||
if (load_config())
|
||||
exit(1);
|
||||
#ifndef __Darwin__
|
||||
if (open_mixer())
|
||||
exit(1);
|
||||
#endif
|
||||
if (connect_asterisk()) {
|
||||
#ifndef __Darwin__
|
||||
close(mixfd);
|
||||
#endif
|
||||
exit(1);
|
||||
}
|
||||
if (login_asterisk()) {
|
||||
#ifndef __Darwin__
|
||||
close(mixfd);
|
||||
#endif
|
||||
fclose(astf);
|
||||
exit(1);
|
||||
}
|
||||
if (needfork)
|
||||
daemon(0,0);
|
||||
for(;;) {
|
||||
if (wait_event()) {
|
||||
fclose(astf);
|
||||
while(connect_asterisk()) {
|
||||
sleep(5);
|
||||
}
|
||||
if (login_asterisk()) {
|
||||
fclose(astf);
|
||||
exit(1);
|
||||
}
|
||||
}
|
||||
}
|
||||
exit(0);
|
||||
}
|
||||
Reference in New Issue
Block a user