complete the rename of MuxMon to MixMonitor
git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@6885 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
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846b39a9f1
commit
e6fc49806d
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@ -1,456 +0,0 @@
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/*
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* Asterisk -- An open source telephony toolkit.
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*
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* Copyright (C) 2005, Anthony Minessale II
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* Copyright (C) 2005, Digium, Inc.
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*
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* Mark Spencer <markster@digium.com>
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* Kevin P. Fleming <kpfleming@digium.com>
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*
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* Based on app_muxmon.c provided by
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* Anthony Minessale II <anthmct@yahoo.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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* \brief muxmon() - record a call natively
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*/
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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 "asterisk.h"
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ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
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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/lock.h"
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#include "asterisk/cli.h"
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#include "asterisk/options.h"
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#include "asterisk/app.h"
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#include "asterisk/linkedlists.h"
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#define get_volfactor(x) x ? ((x > 0) ? (1 << x) : ((1 << abs(x)) * -1)) : 0
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static const char *tdesc = "Mixed Audio Monitoring Application";
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static const char *app = "MixMonitor";
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static const char *synopsis = "Record a call and mix the audio during the recording";
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static const char *desc = ""
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" MixMonitor(<file>.<ext>[|<options>[|<command>]])\n\n"
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"Records the audio on the current channel to the specified file.\n"
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"If the filename is an absolute path, uses that path, otherwise\n"
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"creates the file in the configured monitoring directory from\n"
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"asterisk.conf.\n\n"
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"Valid options:\n"
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" a - Append to the file instead of overwriting it.\n"
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" b - Only save audio to the file while the channel is bridged.\n"
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" Note: does not include conferences.\n"
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" v(<x>) - Adjust the heard volume by a factor of <x> (range -4 to 4)\n"
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" V(<x>) - Adjust the spoken volume by a factor of <x> (range -4 to 4)\n"
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" W(<x>) - Adjust the both heard and spoken volumes by a factor of <x>\n"
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" (range -4 to 4)\n\n"
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"<command> will be executed when the recording is over\n"
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"Any strings matching ^{X} will be unescaped to ${X} and \n"
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"all variables will be evaluated at that time.\n"
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"The variable MIXMONITOR_FILENAME will contain the filename used to record.\n"
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"";
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STANDARD_LOCAL_USER;
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LOCAL_USER_DECL;
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static const char *mixmonitor_spy_type = "MixMonitor";
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struct mixmonitor {
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struct ast_channel *chan;
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char *filename;
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char *post_process;
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unsigned int flags;
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int readvol;
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int writevol;
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};
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enum {
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MUXFLAG_APPEND = (1 << 1),
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MUXFLAG_BRIDGED = (1 << 2),
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MUXFLAG_VOLUME = (1 << 3),
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MUXFLAG_READVOLUME = (1 << 4),
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MUXFLAG_WRITEVOLUME = (1 << 5),
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} mixmonitor_flags;
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AST_DECLARE_OPTIONS(mixmonitor_opts,{
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['a'] = { MUXFLAG_APPEND },
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['b'] = { MUXFLAG_BRIDGED },
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['v'] = { MUXFLAG_READVOLUME, 1 },
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['V'] = { MUXFLAG_WRITEVOLUME, 2 },
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['W'] = { MUXFLAG_VOLUME, 3 },
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});
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static void stopmon(struct ast_channel *chan, struct ast_channel_spy *spy)
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{
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/* If our status has changed, then the channel we're spying on is gone....
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DON'T TOUCH IT!!! RUN AWAY!!! */
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if (spy->status != CHANSPY_RUNNING)
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return;
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if (!chan)
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return;
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ast_mutex_lock(&chan->lock);
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ast_channel_spy_remove(chan, spy);
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ast_mutex_unlock(&chan->lock);
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}
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static int startmon(struct ast_channel *chan, struct ast_channel_spy *spy)
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{
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struct ast_channel *peer;
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int res;
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if (!chan)
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return -1;
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ast_mutex_lock(&chan->lock);
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res = ast_channel_spy_add(chan, spy);
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ast_mutex_unlock(&chan->lock);
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if (!res && ast_test_flag(chan, AST_FLAG_NBRIDGE) && (peer = ast_bridged_channel(chan)))
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ast_softhangup(peer, AST_SOFTHANGUP_UNBRIDGE);
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return res;
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}
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#define SAMPLES_PER_FRAME 160
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static void *mixmonitor_thread(void *obj)
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{
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struct mixmonitor *mixmonitor = obj;
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struct ast_channel_spy spy;
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struct ast_filestream *fs = NULL;
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char *ext, *name;
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unsigned int oflags;
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struct ast_frame *f;
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char post_process[1024] = "";
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STANDARD_INCREMENT_USECOUNT;
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name = ast_strdupa(mixmonitor->chan->name);
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oflags = O_CREAT|O_WRONLY;
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oflags |= ast_test_flag(mixmonitor, MUXFLAG_APPEND) ? O_APPEND : O_TRUNC;
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if ((ext = strchr(mixmonitor->filename, '.'))) {
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*(ext++) = '\0';
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} else {
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ext = "raw";
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}
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fs = ast_writefile(mixmonitor->filename, ext, NULL, oflags, 0, 0644);
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if (!fs) {
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ast_log(LOG_ERROR, "Cannot open %s.%s\n", mixmonitor->filename, ext);
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goto out;
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}
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if (ast_test_flag(mixmonitor, MUXFLAG_APPEND))
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ast_seekstream(fs, 0, SEEK_END);
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memset(&spy, 0, sizeof(spy));
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ast_set_flag(&spy, CHANSPY_FORMAT_AUDIO);
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ast_set_flag(&spy, CHANSPY_MIXAUDIO);
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spy.type = mixmonitor_spy_type;
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spy.status = CHANSPY_RUNNING;
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spy.read_queue.format = AST_FORMAT_SLINEAR;
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spy.write_queue.format = AST_FORMAT_SLINEAR;
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if (mixmonitor->readvol) {
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ast_set_flag(&spy, CHANSPY_READ_VOLADJUST);
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spy.read_vol_adjustment = mixmonitor->readvol;
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}
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if (mixmonitor->writevol) {
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ast_set_flag(&spy, CHANSPY_WRITE_VOLADJUST);
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spy.write_vol_adjustment = mixmonitor->writevol;
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}
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ast_mutex_init(&spy.lock);
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if (startmon(mixmonitor->chan, &spy)) {
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ast_log(LOG_WARNING, "Unable to add '%s' spy to channel '%s'\n",
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spy.type, mixmonitor->chan->name);
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goto out2;
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}
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if (option_verbose > 1)
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ast_verbose(VERBOSE_PREFIX_2 "Begin MixMonitor Recording %s\n", name);
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while (1) {
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struct ast_frame *next;
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int write;
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ast_mutex_lock(&spy.lock);
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ast_channel_spy_trigger_wait(&spy);
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if (ast_check_hangup(mixmonitor->chan) || spy.status != CHANSPY_RUNNING) {
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ast_mutex_unlock(&spy.lock);
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break;
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}
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while (1) {
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if (!(f = ast_channel_spy_read_frame(&spy, SAMPLES_PER_FRAME)))
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break;
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write = (!ast_test_flag(mixmonitor, MUXFLAG_BRIDGED) ||
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ast_bridged_channel(mixmonitor->chan));
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/* it is possible for ast_channel_spy_read_frame() to return a chain
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of frames if a queue flush was necessary, so process them
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*/
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for (; f; f = next) {
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next = f->next;
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if (write)
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ast_writestream(fs, f);
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ast_frfree(f);
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}
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}
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ast_mutex_unlock(&spy.lock);
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}
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if (mixmonitor->post_process) {
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char *p;
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for (p = mixmonitor->post_process; *p ; p++) {
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if (*p == '^' && *(p+1) == '{') {
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*p = '$';
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}
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}
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pbx_substitute_variables_helper(mixmonitor->chan, mixmonitor->post_process, post_process, sizeof(post_process) - 1);
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}
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stopmon(mixmonitor->chan, &spy);
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if (option_verbose > 1)
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ast_verbose(VERBOSE_PREFIX_2 "End MixMonitor Recording %s\n", name);
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if (!ast_strlen_zero(post_process)) {
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if (option_verbose > 2)
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ast_verbose(VERBOSE_PREFIX_2 "Executing [%s]\n", post_process);
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ast_safe_system(post_process);
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}
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out2:
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ast_mutex_destroy(&spy.lock);
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if (fs)
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ast_closestream(fs);
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out:
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free(mixmonitor);
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STANDARD_DECREMENT_USECOUNT;
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return NULL;
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}
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static void launch_monitor_thread(struct ast_channel *chan, const char *filename, unsigned int flags,
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int readvol, int writevol, const char *post_process)
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{
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pthread_attr_t attr;
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pthread_t thread;
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struct mixmonitor *mixmonitor;
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int len;
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len = sizeof(*mixmonitor) + strlen(filename) + 1;
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if (post_process && !ast_strlen_zero(post_process))
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len += strlen(post_process) + 1;
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if (!(mixmonitor = calloc(1, len))) {
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ast_log(LOG_ERROR, "Memory Error!\n");
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return;
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}
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mixmonitor->chan = chan;
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mixmonitor->filename = (char *) mixmonitor + sizeof(*mixmonitor);
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strcpy(mixmonitor->filename, filename);
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if (post_process && !ast_strlen_zero(post_process)) {
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mixmonitor->post_process = mixmonitor->filename + strlen(filename) + 1;
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strcpy(mixmonitor->post_process, post_process);
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}
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mixmonitor->readvol = readvol;
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mixmonitor->writevol = writevol;
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mixmonitor->flags = flags;
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pthread_attr_init(&attr);
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pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
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ast_pthread_create(&thread, &attr, mixmonitor_thread, mixmonitor);
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pthread_attr_destroy(&attr);
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}
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static int mixmonitor_exec(struct ast_channel *chan, void *data)
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{
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int x, readvol = 0, writevol = 0;
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struct localuser *u;
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struct ast_flags flags = {0};
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char *parse;
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AST_DECLARE_APP_ARGS(args,
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AST_APP_ARG(filename);
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AST_APP_ARG(options);
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AST_APP_ARG(post_process);
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);
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if (ast_strlen_zero(data)) {
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ast_log(LOG_WARNING, "MixMonitor requires an argument (filename)\n");
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return -1;
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}
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LOCAL_USER_ADD(u);
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if (!(parse = ast_strdupa(data))) {
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ast_log(LOG_WARNING, "Memory Error!\n");
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LOCAL_USER_REMOVE(u);
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return -1;
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}
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AST_STANDARD_APP_ARGS(args, parse);
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if (ast_strlen_zero(args.filename)) {
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ast_log(LOG_WARNING, "Muxmon requires an argument (filename)\n");
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LOCAL_USER_REMOVE(u);
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return -1;
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}
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if (args.options) {
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char *opts[3] = { NULL, };
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ast_parseoptions(mixmonitor_opts, &flags, opts, args.options);
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if (ast_test_flag(&flags, MUXFLAG_READVOLUME)) {
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if (!opts[0] || ast_strlen_zero(opts[0])) {
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ast_log(LOG_WARNING, "No volume level was provided for the heard volume ('v') option.\n");
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} else if ((sscanf(opts[0], "%d", &x) != 1) || (x < -4) || (x > 4)) {
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ast_log(LOG_NOTICE, "Heard volume must be a number between -4 and 4, not '%s'\n", opts[0]);
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} else {
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readvol = get_volfactor(x);
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}
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}
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if (ast_test_flag(&flags, MUXFLAG_WRITEVOLUME)) {
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if (!opts[1] || ast_strlen_zero(opts[1])) {
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ast_log(LOG_WARNING, "No volume level was provided for the spoken volume ('V') option.\n");
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} else if ((sscanf(opts[1], "%d", &x) != 1) || (x < -4) || (x > 4)) {
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ast_log(LOG_NOTICE, "Spoken volume must be a number between -4 and 4, not '%s'\n", opts[1]);
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} else {
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writevol = get_volfactor(x);
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}
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}
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if (ast_test_flag(&flags, MUXFLAG_VOLUME)) {
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if (!opts[2] || ast_strlen_zero(opts[2])) {
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ast_log(LOG_WARNING, "No volume level was provided for the combined volume ('W') option.\n");
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} else if ((sscanf(opts[2], "%d", &x) != 1) || (x < -4) || (x > 4)) {
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ast_log(LOG_NOTICE, "Combined volume must be a number between -4 and 4, not '%s'\n", opts[2]);
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} else {
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readvol = writevol = get_volfactor(x);
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}
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}
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}
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/* if not provided an absolute path, use the system-configured monitoring directory */
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if (args.filename[0] != '/') {
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char *build;
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build = alloca(strlen(ast_config_AST_MONITOR_DIR) + strlen(args.filename) + 3);
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sprintf(build, "%s/%s", ast_config_AST_MONITOR_DIR, args.filename);
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args.filename = build;
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}
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pbx_builtin_setvar_helper(chan, "MIXMONITOR_FILENAME", args.filename);
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launch_monitor_thread(chan, args.filename, flags.flags, readvol, writevol, args.post_process);
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LOCAL_USER_REMOVE(u);
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return 0;
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}
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static int mixmonitor_cli(int fd, int argc, char **argv)
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{
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struct ast_channel *chan;
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if (argc < 3)
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return RESULT_SHOWUSAGE;
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if (!(chan = ast_get_channel_by_name_prefix_locked(argv[2], strlen(argv[2])))) {
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ast_cli(fd, "No channel matching '%s' found.\n", argv[2]);
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return RESULT_SUCCESS;
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}
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if (!strcasecmp(argv[1], "start"))
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mixmonitor_exec(chan, argv[3]);
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else if (!strcasecmp(argv[1], "stop"))
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ast_channel_spy_stop_by_type(chan, mixmonitor_spy_type);
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ast_mutex_unlock(&chan->lock);
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return RESULT_SUCCESS;
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}
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static struct ast_cli_entry cli_mixmonitor = {
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{ "mixmonitor", NULL, NULL },
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mixmonitor_cli,
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"Execute a MixMonitor command",
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"mixmonitor <start|stop> <chan_name> [<args>]"
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};
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int unload_module(void)
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{
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int res;
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res = ast_cli_unregister(&cli_mixmonitor);
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res |= ast_unregister_application(app);
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STANDARD_HANGUP_LOCALUSERS;
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return res;
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}
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int load_module(void)
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{
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int res;
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res = ast_cli_register(&cli_mixmonitor);
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res |= ast_register_application(app, mixmonitor_exec, synopsis, desc);
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return res;
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}
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char *description(void)
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{
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return (char *) 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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