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app_meetme.c
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/*
* Asterisk -- An open source telephony toolkit.
*
* Copyright (C) 1999 - 2007, Digium, Inc.
*
* Mark Spencer <markster@digium.com>
*
* See http://www.asterisk.org for more information about
* the Asterisk project. Please do not directly contact
* any of the maintainers of this project for assistance;
* the project provides a web site, mailing lists and IRC
* channels for your use.
*
* This program is free software, distributed under the terms of
* the GNU General Public License Version 2. See the LICENSE file
* at the top of the source tree.
*/
/*! \file
*
* \brief Meet me conference bridge
*
* \author Mark Spencer <markster@digium.com>
*
* \ingroup applications
*/
/*! \li \ref app_meetme.c uses configuration file \ref meetme.conf
* \addtogroup configuration_file Configuration Files
*/
/*!
* \page meetme.conf meetme.conf
* \verbinclude meetme.conf.sample
*/
/*** MODULEINFO
<depend>dahdi</depend>
<defaultenabled>no</defaultenabled>
<support_level>deprecated</support_level>
<replacement>app_confbridge</replacement>
<deprecated_in>19</deprecated_in>
<removed_in>21</removed_in>
***/
#include "asterisk.h"
#include <dahdi/user.h>
#include "asterisk/lock.h"
#include "asterisk/file.h"
#include "asterisk/channel.h"
#include "asterisk/pbx.h"
#include "asterisk/module.h"
#include "asterisk/config.h"
#include "asterisk/app.h"
#include "asterisk/dsp.h"
#include "asterisk/musiconhold.h"
#include "asterisk/manager.h"
#include "asterisk/cli.h"
#include "asterisk/say.h"
#include "asterisk/utils.h"
#include "asterisk/translate.h"
#include "asterisk/ulaw.h"
#include "asterisk/astobj2.h"
#include "asterisk/devicestate.h"
#include "asterisk/dial.h"
#include "asterisk/causes.h"
#include "asterisk/paths.h"
#include "asterisk/test.h"
#include "asterisk/stasis.h"
#include "asterisk/stasis_channels.h"
#include "asterisk/stasis_message_router.h"
#include "asterisk/json.h"
#include "asterisk/format_compatibility.h"
#include "enter.h"
#include "leave.h"
/*** DOCUMENTATION
<application name="MeetMe" language="en_US">
<synopsis>
MeetMe conference bridge.
</synopsis>
<syntax>
<parameter name="confno">
<para>The conference number</para>
</parameter>
<parameter name="options">
<optionlist>
<option name="a">
<para>Set admin mode.</para>
</option>
<option name="A">
<para>Set marked mode.</para>
</option>
<option name="b">
<para>Run AGI script specified in <variable>MEETME_AGI_BACKGROUND</variable>
Default: <literal>conf-background.agi</literal>.</para>
<note><para>This does not work with non-DAHDI channels in the same
conference).</para></note>
</option>
<option name="c">
<para>Announce user(s) count on joining a conference.</para>
</option>
<option name="C">
<para>Continue in dialplan when kicked out of conference.</para>
</option>
<option name="d">
<para>Dynamically add conference.</para>
</option>
<option name="D">
<para>Dynamically add conference, prompting for a PIN.</para>
</option>
<option name="e">
<para>Select an empty conference.</para>
</option>
<option name="E">
<para>Select an empty pinless conference.</para>
</option>
<option name="F">
<para>Pass DTMF through the conference.</para>
</option>
<option name="G">
<argument name="x" required="true">
<para>The file to playback</para>
</argument>
<para>Play an intro announcement in conference.</para>
</option>
<option name="i">
<para>Announce user join/leave with review.</para>
</option>
<option name="I">
<para>Announce user join/leave without review.</para>
</option>
<option name="k">
<para>Close the conference if there's only one active participant left at exit.</para>
</option>
<option name="l">
<para>Set listen only mode (Listen only, no talking).</para>
</option>
<option name="m">
<para>Set initially muted.</para>
</option>
<option name="M" hasparams="optional">
<para>Enable music on hold when the conference has a single caller. Optionally,
specify a musiconhold class to use. If one is not provided, it will use the
channel's currently set music class, or <literal>default</literal>.</para>
<argument name="class" required="true" />
</option>
<option name="n">
<para>Disable the denoiser. By default, if <literal>func_speex</literal> is loaded, Asterisk
will apply a denoiser to channels in the MeetMe conference. However, channel
drivers that present audio with a varying rate will experience degraded
performance with a denoiser attached. This parameter allows a channel joining
the conference to choose not to have a denoiser attached without having to
unload <literal>func_speex</literal>.</para>
</option>
<option name="o">
<para>Set talker optimization - treats talkers who aren't speaking as
being muted, meaning (a) No encode is done on transmission and (b)
Received audio that is not registered as talking is omitted causing no
buildup in background noise.</para>
</option>
<option name="p" hasparams="optional">
<para>Allow user to exit the conference by pressing <literal>#</literal> (default)
or any of the defined keys. Dial plan execution will continue at the next
priority following MeetMe. The key used is set to channel variable
<variable>MEETME_EXIT_KEY</variable>.</para>
<argument name="keys" required="true" />
<note>
<para>Option <literal>s</literal> has priority for <literal>*</literal>
since it cannot change its activation code.</para>
</note>
</option>
<option name="P">
<para>Always prompt for the pin even if it is specified.</para>
</option>
<option name="q">
<para>Quiet mode (don't play enter/leave sounds).</para>
</option>
<option name="r">
<para>Record conference (records as <variable>MEETME_RECORDINGFILE</variable>
using format <variable>MEETME_RECORDINGFORMAT</variable>. Default filename is
<literal>meetme-conf-rec-${CONFNO}-${UNIQUEID}</literal> and the default format is
wav.</para>
</option>
<option name="s">
<para>Present menu (user or admin) when <literal>*</literal> is received
(send to menu).</para>
</option>
<option name="t">
<para>Set talk only mode. (Talk only, no listening).</para>
</option>
<option name="T">
<para>Set talker detection (sent to manager interface and meetme list).</para>
</option>
<option name="v" hasparams="optional">
<para>Announce when a user is joining or leaving the conference. Use the voicemail greeting as the announcement.
If the i or I options are set, the application will fall back to them if no voicemail greeting can be found.</para>
<argument name="mailbox@[context]" required="true">
<para>The mailbox and voicemail context to play from. If no context provided, assumed context is default.</para>
</argument>
</option>
<option name="w" hasparams="optional">
<para>Wait until the marked user enters the conference.</para>
<argument name="secs" required="true" />
</option>
<option name="x">
<para>Leave the conference when the last marked user leaves.</para>
</option>
<option name="X">
<para>Allow user to exit the conference by entering a valid single digit
extension <variable>MEETME_EXIT_CONTEXT</variable> or the current context
if that variable is not defined.</para>
<note>
<para>Option <literal>s</literal> has priority for <literal>*</literal>
since it cannot change its activation code.</para>
</note>
</option>
<option name="1">
<para>Do not play message when first person enters</para>
</option>
<option name="S">
<para>Kick the user <replaceable>x</replaceable> seconds <emphasis>after</emphasis> he entered into
the conference.</para>
<argument name="x" required="true" />
</option>
<option name="L" argsep=":">
<para>Limit the conference to <replaceable>x</replaceable> ms. Play a warning when
<replaceable>y</replaceable> ms are left. Repeat the warning every <replaceable>z</replaceable> ms.
The following special variables can be used with this option:</para>
<variablelist>
<variable name="CONF_LIMIT_TIMEOUT_FILE">
<para>File to play when time is up.</para>
</variable>
<variable name="CONF_LIMIT_WARNING_FILE">
<para>File to play as warning if <replaceable>y</replaceable> is defined. The
default is to say the time remaining.</para>
</variable>
</variablelist>
<argument name="x" />
<argument name="y" />
<argument name="z" />
</option>
</optionlist>
</parameter>
<parameter name="pin" />
</syntax>
<description>
<para>Enters the user into a specified MeetMe conference. If the <replaceable>confno</replaceable>
is omitted, the user will be prompted to enter one. User can exit the conference by hangup, or
if the <literal>p</literal> option is specified, by pressing <literal>#</literal>.</para>
<note><para>The DAHDI kernel modules and a functional DAHDI timing source (see dahdi_test)
must be present for conferencing to operate properly. In addition, the chan_dahdi channel driver
must be loaded for the <literal>i</literal> and <literal>r</literal> options to operate at
all.</para></note>
</description>
<see-also>
<ref type="application">MeetMeCount</ref>
<ref type="application">MeetMeAdmin</ref>
<ref type="application">MeetMeChannelAdmin</ref>
</see-also>
</application>
<application name="MeetMeCount" language="en_US">
<synopsis>
MeetMe participant count.
</synopsis>
<syntax>
<parameter name="confno" required="true">
<para>Conference number.</para>
</parameter>
<parameter name="var" />
</syntax>
<description>
<para>Plays back the number of users in the specified MeetMe conference.
If <replaceable>var</replaceable> is specified, playback will be skipped and the value
will be returned in the variable. Upon application completion, MeetMeCount will hangup
the channel, unless priority <literal>n+1</literal> exists, in which case priority progress will
continue.</para>
</description>
<see-also>
<ref type="application">MeetMe</ref>
</see-also>
</application>
<application name="MeetMeAdmin" language="en_US">
<synopsis>
MeetMe conference administration.
</synopsis>
<syntax>
<parameter name="confno" required="true" />
<parameter name="command" required="true">
<optionlist>
<option name="e">
<para>Eject last user that joined.</para>
</option>
<option name="E">
<para>Extend conference end time, if scheduled.</para>
</option>
<option name="k">
<para>Kick one user out of conference.</para>
</option>
<option name="K">
<para>Kick all users out of conference.</para>
</option>
<option name="l">
<para>Unlock conference.</para>
</option>
<option name="L">
<para>Lock conference.</para>
</option>
<option name="m">
<para>Unmute one user.</para>
</option>
<option name="M">
<para>Mute one user.</para>
</option>
<option name="n">
<para>Unmute all users in the conference.</para>
</option>
<option name="N">
<para>Mute all non-admin users in the conference.</para>
</option>
<option name="r">
<para>Reset one user's volume settings.</para>
</option>
<option name="R">
<para>Reset all users volume settings.</para>
</option>
<option name="s">
<para>Lower entire conference speaking volume.</para>
</option>
<option name="S">
<para>Raise entire conference speaking volume.</para>
</option>
<option name="t">
<para>Lower one user's talk volume.</para>
</option>
<option name="T">
<para>Raise one user's talk volume.</para>
</option>
<option name="u">
<para>Lower one user's listen volume.</para>
</option>
<option name="U">
<para>Raise one user's listen volume.</para>
</option>
<option name="v">
<para>Lower entire conference listening volume.</para>
</option>
<option name="V">
<para>Raise entire conference listening volume.</para>
</option>
</optionlist>
</parameter>
<parameter name="user" />
</syntax>
<description>
<para>Run admin <replaceable>command</replaceable> for conference <replaceable>confno</replaceable>.</para>
<para>Will additionally set the variable <variable>MEETMEADMINSTATUS</variable> with one of
the following values:</para>
<variablelist>
<variable name="MEETMEADMINSTATUS">
<value name="NOPARSE">
Invalid arguments.
</value>
<value name="NOTFOUND">
User specified was not found.
</value>
<value name="FAILED">
Another failure occurred.
</value>
<value name="OK">
The operation was completed successfully.
</value>
</variable>
</variablelist>
</description>
<see-also>
<ref type="application">MeetMe</ref>
</see-also>
</application>
<application name="MeetMeChannelAdmin" language="en_US">
<synopsis>
MeetMe conference Administration (channel specific).
</synopsis>
<syntax>
<parameter name="channel" required="true" />
<parameter name="command" required="true">
<optionlist>
<option name="k">
<para>Kick the specified user out of the conference he is in.</para>
</option>
<option name="m">
<para>Unmute the specified user.</para>
</option>
<option name="M">
<para>Mute the specified user.</para>
</option>
</optionlist>
</parameter>
</syntax>
<description>
<para>Run admin <replaceable>command</replaceable> for a specific
<replaceable>channel</replaceable> in any conference.</para>
</description>
</application>
<function name="MEETME_INFO" language="en_US">
<synopsis>
Query a given conference of various properties.
</synopsis>
<syntax>
<parameter name="keyword" required="true">
<para>Options:</para>
<enumlist>
<enum name="lock">
<para>Boolean of whether the corresponding conference is locked.</para>
</enum>
<enum name="parties">
<para>Number of parties in a given conference</para>
</enum>
<enum name="activity">
<para>Duration of conference in seconds.</para>
</enum>
<enum name="dynamic">
<para>Boolean of whether the corresponding conference is dynamic.</para>
</enum>
</enumlist>
</parameter>
<parameter name="confno" required="true">
<para>Conference number to retrieve information from.</para>
</parameter>
</syntax>
<description />
<see-also>
<ref type="application">MeetMe</ref>
<ref type="application">MeetMeCount</ref>
<ref type="application">MeetMeAdmin</ref>
<ref type="application">MeetMeChannelAdmin</ref>
</see-also>
</function>
<manager name="MeetmeMute" language="en_US">
<synopsis>
Mute a Meetme user.
</synopsis>
<syntax>
<xi:include xpointer="xpointer(/docs/manager[@name='Login']/syntax/parameter[@name='ActionID'])" />
<parameter name="Meetme" required="true" />
<parameter name="Usernum" required="true" />
</syntax>
<description>
</description>
</manager>
<manager name="MeetmeUnmute" language="en_US">
<synopsis>
Unmute a Meetme user.
</synopsis>
<syntax>
<xi:include xpointer="xpointer(/docs/manager[@name='Login']/syntax/parameter[@name='ActionID'])" />
<parameter name="Meetme" required="true" />
<parameter name="Usernum" required="true" />
</syntax>
<description>
</description>
</manager>
<manager name="MeetmeList" language="en_US">
<synopsis>
List participants in a conference.
</synopsis>
<syntax>
<xi:include xpointer="xpointer(/docs/manager[@name='Login']/syntax/parameter[@name='ActionID'])" />
<parameter name="Conference" required="false">
<para>Conference number.</para>
</parameter>
</syntax>
<description>
<para>Lists all users in a particular MeetMe conference.
MeetmeList will follow as separate events, followed by a final event called
MeetmeListComplete.</para>
</description>
</manager>
<manager name="MeetmeListRooms" language="en_US">
<synopsis>
List active conferences.
</synopsis>
<syntax>
<xi:include xpointer="xpointer(/docs/manager[@name='Login']/syntax/parameter[@name='ActionID'])" />
</syntax>
<description>
<para>Lists data about all active conferences.
MeetmeListRooms will follow as separate events, followed by a final event called
MeetmeListRoomsComplete.</para>
</description>
</manager>
<managerEvent language="en_US" name="MeetmeJoin">
<managerEventInstance class="EVENT_FLAG_CALL">
<synopsis>Raised when a user joins a MeetMe conference.</synopsis>
<syntax>
<parameter name="Meetme">
<para>The identifier for the MeetMe conference.</para>
</parameter>
<parameter name="User">
<para>The identifier of the MeetMe user who joined.</para>
</parameter>
<channel_snapshot/>
</syntax>
<see-also>
<ref type="managerEvent">MeetmeLeave</ref>
<ref type="application">MeetMe</ref>
</see-also>
</managerEventInstance>
</managerEvent>
<managerEvent language="en_US" name="MeetmeLeave">
<managerEventInstance class="EVENT_FLAG_CALL">
<synopsis>Raised when a user leaves a MeetMe conference.</synopsis>
<syntax>
<xi:include xpointer="xpointer(/docs/managerEvent[@name='MeetmeJoin']/managerEventInstance/syntax/parameter)" />
<channel_snapshot/>
<parameter name="Duration">
<para>The length of time in seconds that the Meetme user was in the conference.</para>
</parameter>
</syntax>
<see-also>
<ref type="managerEvent">MeetmeJoin</ref>
</see-also>
</managerEventInstance>
</managerEvent>
<managerEvent language="en_US" name="MeetmeEnd">
<managerEventInstance class="EVENT_FLAG_CALL">
<synopsis>Raised when a MeetMe conference ends.</synopsis>
<syntax>
<xi:include xpointer="xpointer(/docs/managerEvent[@name='MeetmeJoin']/managerEventInstance/syntax/parameter[@name='Meetme'])" />
</syntax>
<see-also>
<ref type="managerEvent">MeetmeJoin</ref>
</see-also>
</managerEventInstance>
</managerEvent>
<managerEvent language="en_US" name="MeetmeTalkRequest">
<managerEventInstance class="EVENT_FLAG_CALL">
<synopsis>Raised when a MeetMe user has started talking.</synopsis>
<syntax>
<xi:include xpointer="xpointer(/docs/managerEvent[@name='MeetmeJoin']/managerEventInstance/syntax/parameter)" />
<channel_snapshot/>
<parameter name="Duration">
<para>The length of time in seconds that the Meetme user has been in the conference at the time of this event.</para>
</parameter>
<parameter name="Status">
<enumlist>
<enum name="on"/>
<enum name="off"/>
</enumlist>
</parameter>
</syntax>
</managerEventInstance>
</managerEvent>
<managerEvent language="en_US" name="MeetmeTalking">
<managerEventInstance class="EVENT_FLAG_CALL">
<synopsis>Raised when a MeetMe user begins or ends talking.</synopsis>
<syntax>
<xi:include xpointer="xpointer(/docs/managerEvent[@name='MeetmeJoin']/managerEventInstance/syntax/parameter)" />
<channel_snapshot/>
<xi:include xpointer="xpointer(/docs/managerEvent[@name='MeetmeTalkRequest']/managerEventInstance/syntax/parameter)" />
</syntax>
</managerEventInstance>
</managerEvent>
<managerEvent language="en_US" name="MeetmeMute">
<managerEventInstance class="EVENT_FLAG_CALL">
<synopsis>Raised when a MeetMe user is muted or unmuted.</synopsis>
<syntax>
<xi:include xpointer="xpointer(/docs/managerEvent[@name='MeetmeJoin']/managerEventInstance/syntax/parameter)" />
<channel_snapshot/>
<xi:include xpointer="xpointer(/docs/managerEvent[@name='MeetmeTalkRequest']/managerEventInstance/syntax/parameter)" />
</syntax>
</managerEventInstance>
</managerEvent>
<managerEvent language="en_US" name="MeetmeList">
<managerEventInstance class="EVENT_FLAG_CALL">
<synopsis>Raised in response to a MeetmeList command.</synopsis>
<syntax>
<parameter name="Conference">
<para>Conference ID.</para>
</parameter>
<parameter name="UserNumber">
<para>User ID.</para>
</parameter>
<parameter name="CallerIDNum">
<para>Caller ID number.</para>
</parameter>
<parameter name="CallerIDName">
<para>Caller ID name.</para>
</parameter>
<parameter name="ConnectedLineNum">
<para>Connected Line number.</para>
</parameter>
<parameter name="ConnectedLineName">
<para>Connected Line name.</para>
</parameter>
<parameter name="Channel">
<para>Channel name</para>
</parameter>
<parameter name="Admin">
<para>Whether or not the user is an admin.</para>
</parameter>
<parameter name="Role">
<para>User role. Can be "Listen only", "Talk only", or "Talk and listen".</para>
</parameter>
<parameter name="MarkedUser">
<para>Whether or not the user is a marked user.</para>
</parameter>
<parameter name="Muted">
<para>Whether or not the user is currently muted.</para>
</parameter>
<parameter name="Talking">
<para>Whether or not the user is currently talking.</para>
</parameter>
</syntax>
<see-also>
<ref type="manager">MeetmeList</ref>
<ref type="application">MeetMe</ref>
</see-also>
</managerEventInstance>
</managerEvent>
<managerEvent language="en_US" name="MeetmeListRooms">
<managerEventInstance class="EVENT_FLAG_CALL">
<synopsis>Raised in response to a MeetmeListRooms command.</synopsis>
<syntax>
<parameter name="Conference">
<para>Conference ID.</para>
</parameter>
<parameter name="Parties">
<para>Number of parties in the conference.</para>
</parameter>
<parameter name="Marked">
<para>Number of marked users in the conference.</para>
</parameter>
<parameter name="Activity">
<para>Total duration of conference in HH:MM:SS format.</para>
</parameter>
<parameter name="Creation">
<para>How the conference was created: "Dyanmic" or "Static".</para>
</parameter>
<parameter name="Locked">
<para>Whether or not the conference is locked.</para>
</parameter>
</syntax>
<see-also>
<ref type="manager">MeetmeListRooms</ref>
<ref type="application">MeetMe</ref>
</see-also>
</managerEventInstance>
</managerEvent>
***/
#define CONFIG_FILE_NAME "meetme.conf"
#define STR_CONCISE "concise"
/*! each buffer is 20ms, so this is 640ms total */
#define DEFAULT_AUDIO_BUFFERS 32
/*! String format for scheduled conferences */
#define DATE_FORMAT "%Y-%m-%d %H:%M:%S"
enum {
ADMINFLAG_MUTED = (1 << 1), /*!< User is muted */
ADMINFLAG_SELFMUTED = (1 << 2), /*!< User muted self */
ADMINFLAG_KICKME = (1 << 3), /*!< User has been kicked */
/*! User has requested to speak */
ADMINFLAG_T_REQUEST = (1 << 4),
ADMINFLAG_HANGUP = (1 << 5), /*!< User will be leaving the conference */
};
#define MEETME_DELAYDETECTTALK 300
#define MEETME_DELAYDETECTENDTALK 1000
#define AST_FRAME_BITS 32
enum volume_action {
VOL_UP,
VOL_DOWN
};
enum entrance_sound {
ENTER,
LEAVE
};
enum recording_state {
MEETME_RECORD_OFF,
MEETME_RECORD_STARTED,
MEETME_RECORD_ACTIVE,
MEETME_RECORD_TERMINATE
};
#define CONF_SIZE 320
enum {
/*! user has admin access on the conference */
CONFFLAG_ADMIN = (1 << 0),
/*! If set the user can only receive audio from the conference */
CONFFLAG_MONITOR = (1 << 1),
/*! If set asterisk will exit conference when key defined in p() option is pressed */
CONFFLAG_KEYEXIT = (1 << 2),
/*! If set asterisk will provide a menu to the user when '*' is pressed */
CONFFLAG_STARMENU = (1 << 3),
/*! If set the use can only send audio to the conference */
CONFFLAG_TALKER = (1 << 4),
/*! If set there will be no enter or leave sounds */
CONFFLAG_QUIET = (1 << 5),
/*! If set, when user joins the conference, they will be told the number
* of users that are already in */
CONFFLAG_ANNOUNCEUSERCOUNT = (1 << 6),
/*! Set to run AGI Script in Background */
CONFFLAG_AGI = (1 << 7),
/*! Set to have music on hold when user is alone in conference */
CONFFLAG_MOH = (1 << 8),
/*! If set, the channel will leave the conference if all marked users leave */
CONFFLAG_MARKEDEXIT = (1 << 9),
/*! If set, the MeetMe will wait until a marked user enters */
CONFFLAG_WAITMARKED = (1 << 10),
/*! If set, the MeetMe will exit to the specified context */
CONFFLAG_EXIT_CONTEXT = (1 << 11),
/*! If set, the user will be marked */
CONFFLAG_MARKEDUSER = (1 << 12),
/*! If set, user will be ask record name on entry of conference */
CONFFLAG_INTROUSER = (1 << 13),
/*! If set, the MeetMe will be recorded */
CONFFLAG_RECORDCONF = (1<< 14),
/*! If set, the user will be monitored if the user is talking or not */
CONFFLAG_MONITORTALKER = (1 << 15),
CONFFLAG_DYNAMIC = (1 << 16),
CONFFLAG_DYNAMICPIN = (1 << 17),
CONFFLAG_EMPTY = (1 << 18),
CONFFLAG_EMPTYNOPIN = (1 << 19),
CONFFLAG_ALWAYSPROMPT = (1 << 20),
/*! If set, treat talking users as muted users */
CONFFLAG_OPTIMIZETALKER = (1 << 21),
/*! If set, won't speak the extra prompt when the first person
* enters the conference */
CONFFLAG_NOONLYPERSON = (1 << 22),
/*! If set, user will be asked to record name on entry of conference
* without review */
CONFFLAG_INTROUSERNOREVIEW = (1 << 23),
/*! If set, the user will be initially self-muted */
CONFFLAG_STARTMUTED = (1 << 24),
/*! Pass DTMF through the conference */
CONFFLAG_PASS_DTMF = (1 << 25),
/*! If set, the user should continue in the dialplan if kicked out */
CONFFLAG_KICK_CONTINUE = (1 << 26),
CONFFLAG_DURATION_STOP = (1 << 27),
CONFFLAG_DURATION_LIMIT = (1 << 28),
};
/* These flags are defined separately because we ran out of bits that an enum can be used to represent.
If you add new flags, be sure to do it in the same way that these are. */
/*! Do not write any audio to this channel until the state is up. */
#define CONFFLAG_NO_AUDIO_UNTIL_UP (1ULL << 31)
#define CONFFLAG_INTROMSG (1ULL << 32) /*!< If set play an intro announcement at start of conference */
#define CONFFLAG_INTROUSER_VMREC (1ULL << 33)
/*! If there's only one person left in a conference when someone leaves, kill the conference */
#define CONFFLAG_KILL_LAST_MAN_STANDING (1ULL << 34)
/*! If set, don't enable a denoiser for the channel */
#define CONFFLAG_DONT_DENOISE (1ULL << 35)
enum {
OPT_ARG_WAITMARKED = 0,
OPT_ARG_EXITKEYS = 1,
OPT_ARG_DURATION_STOP = 2,
OPT_ARG_DURATION_LIMIT = 3,
OPT_ARG_MOH_CLASS = 4,
OPT_ARG_INTROMSG = 5,
OPT_ARG_INTROUSER_VMREC = 6,
OPT_ARG_ARRAY_SIZE = 7,
};
AST_APP_OPTIONS(meetme_opts, BEGIN_OPTIONS
AST_APP_OPTION('A', CONFFLAG_MARKEDUSER ),
AST_APP_OPTION('a', CONFFLAG_ADMIN ),
AST_APP_OPTION('b', CONFFLAG_AGI ),
AST_APP_OPTION('c', CONFFLAG_ANNOUNCEUSERCOUNT ),
AST_APP_OPTION('C', CONFFLAG_KICK_CONTINUE),
AST_APP_OPTION('D', CONFFLAG_DYNAMICPIN ),
AST_APP_OPTION('d', CONFFLAG_DYNAMIC ),
AST_APP_OPTION('E', CONFFLAG_EMPTYNOPIN ),
AST_APP_OPTION('e', CONFFLAG_EMPTY ),
AST_APP_OPTION('F', CONFFLAG_PASS_DTMF ),
AST_APP_OPTION_ARG('G', CONFFLAG_INTROMSG, OPT_ARG_INTROMSG ),
AST_APP_OPTION_ARG('v', CONFFLAG_INTROUSER_VMREC , OPT_ARG_INTROUSER_VMREC),
AST_APP_OPTION('i', CONFFLAG_INTROUSER ),
AST_APP_OPTION('I', CONFFLAG_INTROUSERNOREVIEW ),
AST_APP_OPTION('k', CONFFLAG_KILL_LAST_MAN_STANDING ),
AST_APP_OPTION_ARG('M', CONFFLAG_MOH, OPT_ARG_MOH_CLASS ),
AST_APP_OPTION('m', CONFFLAG_STARTMUTED ),
AST_APP_OPTION('n', CONFFLAG_DONT_DENOISE ),
AST_APP_OPTION('o', CONFFLAG_OPTIMIZETALKER ),
AST_APP_OPTION('P', CONFFLAG_ALWAYSPROMPT ),
AST_APP_OPTION_ARG('p', CONFFLAG_KEYEXIT, OPT_ARG_EXITKEYS ),
AST_APP_OPTION('q', CONFFLAG_QUIET ),
AST_APP_OPTION('r', CONFFLAG_RECORDCONF ),
AST_APP_OPTION('s', CONFFLAG_STARMENU ),
AST_APP_OPTION('T', CONFFLAG_MONITORTALKER ),
AST_APP_OPTION('l', CONFFLAG_MONITOR ),
AST_APP_OPTION('t', CONFFLAG_TALKER ),
AST_APP_OPTION_ARG('w', CONFFLAG_WAITMARKED, OPT_ARG_WAITMARKED ),
AST_APP_OPTION('X', CONFFLAG_EXIT_CONTEXT ),
AST_APP_OPTION('x', CONFFLAG_MARKEDEXIT ),
AST_APP_OPTION('1', CONFFLAG_NOONLYPERSON ),
AST_APP_OPTION_ARG('S', CONFFLAG_DURATION_STOP, OPT_ARG_DURATION_STOP),
AST_APP_OPTION_ARG('L', CONFFLAG_DURATION_LIMIT, OPT_ARG_DURATION_LIMIT),
END_OPTIONS );
static const char * const app = "MeetMe";
static const char * const app2 = "MeetMeCount";
static const char * const app3 = "MeetMeAdmin";
static const char * const app4 = "MeetMeChannelAdmin";
/* Lookup RealTime conferences based on confno and current time */
static int rt_schedule;
static int fuzzystart;
static int earlyalert;
static int endalert;
static int extendby;
/*! Log participant count to the RealTime backend */
static int rt_log_members;
#define MAX_CONFNUM 80
#define MAX_PIN 80
#define OPTIONS_LEN 100
/* Enough space for "<conference #>,<pin>,<admin pin>" followed by a 0 byte. */
#define MAX_SETTINGS (MAX_CONFNUM + MAX_PIN + MAX_PIN + 3)
enum announcetypes {
CONF_HASJOIN,
CONF_HASLEFT
};
struct announce_listitem {
AST_LIST_ENTRY(announce_listitem) entry;
char namerecloc[PATH_MAX]; /*!< Name Recorded file Location */
char language[MAX_LANGUAGE];
struct ast_channel *confchan;
int confusers;
int vmrec;
enum announcetypes announcetype;
};
/*! \brief The MeetMe Conference object */
struct ast_conference {
ast_mutex_t playlock; /*!< Conference specific lock (players) */
ast_mutex_t listenlock; /*!< Conference specific lock (listeners) */
char confno[MAX_CONFNUM]; /*!< Conference */
struct ast_channel *chan; /*!< Announcements channel */
struct ast_channel *lchan; /*!< Listen/Record channel */
int fd; /*!< Announcements fd */
int dahdiconf; /*!< DAHDI Conf # */
int users; /*!< Number of active users */
int markedusers; /*!< Number of marked users */
int maxusers; /*!< Participant limit if scheduled */
int endalert; /*!< When to play conf ending message */
time_t start; /*!< Start time (s) */
int refcount; /*!< reference count of usage */
enum recording_state recording:2; /*!< recording status */
unsigned int isdynamic:1; /*!< Created on the fly? */
unsigned int locked:1; /*!< Is the conference locked? */
unsigned int gmuted:1; /*!< Is the conference globally muted? (all non-admins) */
pthread_t recordthread; /*!< thread for recording */
ast_mutex_t recordthreadlock; /*!< control threads trying to start recordthread */
pthread_attr_t attr; /*!< thread attribute */
char *recordingfilename; /*!< Filename to record the Conference into */
char *recordingformat; /*!< Format to record the Conference in */
char pin[MAX_PIN]; /*!< If protected by a PIN */
char pinadmin[MAX_PIN]; /*!< If protected by a admin PIN */
char uniqueid[32];
long endtime; /*!< When to end the conf if scheduled */
const char *useropts; /*!< RealTime user flags */
const char *adminopts; /*!< RealTime moderator flags */
const char *bookid; /*!< RealTime conference id */
struct ast_frame *transframe[32];
struct ast_frame *origframe;
struct ast_trans_pvt *transpath[32];
struct ao2_container *usercontainer;
AST_LIST_ENTRY(ast_conference) list;
/* announce_thread related data */
pthread_t announcethread;
ast_mutex_t announcethreadlock;
unsigned int announcethread_stop:1;
ast_cond_t announcelist_addition;
AST_LIST_HEAD_NOLOCK(, announce_listitem) announcelist;
ast_mutex_t announcelistlock;
};
static AST_LIST_HEAD_STATIC(confs, ast_conference);
static unsigned int conf_map[1024] = {0, };
struct volume {
int desired; /*!< Desired volume adjustment */
int actual; /*!< Actual volume adjustment (for channels that can't adjust) */
};
/*! \brief The MeetMe User object */
struct ast_conf_user {
int user_no; /*!< User Number */
struct ast_flags64 userflags; /*!< Flags as set in the conference */
int adminflags; /*!< Flags set by the Admin */
struct ast_channel *chan; /*!< Connected channel */
int talking; /*!< Is user talking */
int dahdichannel; /*!< Is a DAHDI channel */
char usrvalue[50]; /*!< Custom User Value */
char namerecloc[PATH_MAX]; /*!< Name Recorded file Location */
time_t jointime; /*!< Time the user joined the conference */
time_t kicktime; /*!< Time the user will be kicked from the conference */
struct timeval start_time; /*!< Time the user entered into the conference */
long timelimit; /*!< Time limit for the user to be in the conference L(x:y:z) */
long play_warning; /*!< Play a warning when 'y' ms are left */
long warning_freq; /*!< Repeat the warning every 'z' ms */
const char *warning_sound; /*!< File to play as warning if 'y' is defined */
const char *end_sound; /*!< File to play when time is up. */
struct volume talk;
struct volume listen;
AST_LIST_ENTRY(ast_conf_user) list;
};
/*! \brief The number of audio buffers to be allocated on pseudo channels
* when in a conference */
static int audio_buffers;
/*! \brief Map 'volume' levels from -5 through +5 into decibel (dB)
* settings for channel drivers.
*
* \note these are not a straight linear-to-dB
* conversion... the numbers have been modified
* to give the user a better level of adjustability.
*/
static const char gain_map[] = {
-15,
-13,
-10,
-6,
0,
0,
0,
6,
10,
13,
15,
};
/* Routes the various meetme message types to the meetme stasis callback function to turn them into events */
static struct stasis_message_router *meetme_event_message_router;
STASIS_MESSAGE_TYPE_DEFN_LOCAL(meetme_join_type);
STASIS_MESSAGE_TYPE_DEFN_LOCAL(meetme_leave_type);
STASIS_MESSAGE_TYPE_DEFN_LOCAL(meetme_end_type);
STASIS_MESSAGE_TYPE_DEFN_LOCAL(meetme_mute_type);
STASIS_MESSAGE_TYPE_DEFN_LOCAL(meetme_talking_type);
STASIS_MESSAGE_TYPE_DEFN_LOCAL(meetme_talk_request_type);
static void meetme_stasis_cb(void *data, struct stasis_subscription *sub,
struct stasis_message *message);
static void meetme_stasis_cleanup(void)
{
if (meetme_event_message_router) {
stasis_message_router_unsubscribe(meetme_event_message_router);
meetme_event_message_router = NULL;
}
STASIS_MESSAGE_TYPE_CLEANUP(meetme_join_type);
STASIS_MESSAGE_TYPE_CLEANUP(meetme_leave_type);
STASIS_MESSAGE_TYPE_CLEANUP(meetme_end_type);
STASIS_MESSAGE_TYPE_CLEANUP(meetme_mute_type);
STASIS_MESSAGE_TYPE_CLEANUP(meetme_talking_type);
STASIS_MESSAGE_TYPE_CLEANUP(meetme_talk_request_type);
}
static int meetme_stasis_init(void)
{
STASIS_MESSAGE_TYPE_INIT(meetme_join_type);
STASIS_MESSAGE_TYPE_INIT(meetme_leave_type);
STASIS_MESSAGE_TYPE_INIT(meetme_end_type);
STASIS_MESSAGE_TYPE_INIT(meetme_mute_type);
STASIS_MESSAGE_TYPE_INIT(meetme_talking_type);
STASIS_MESSAGE_TYPE_INIT(meetme_talk_request_type);
meetme_event_message_router = stasis_message_router_create(
ast_channel_topic_all());
if (!meetme_event_message_router) {
meetme_stasis_cleanup();
return -1;
}
if (stasis_message_router_add(meetme_event_message_router,
meetme_join_type(),
meetme_stasis_cb,
NULL)) {