1654 lines
54 KiB
C
1654 lines
54 KiB
C
/*
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* Asterisk -- An open source telephony toolkit.
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*
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* A full-featured Find-Me/Follow-Me Application
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*
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* Copyright (C) 2005-2006, BJ Weschke All Rights Reserved.
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*
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* BJ Weschke <bweschke@btwtech.com>
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*
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* This code is released by the author with no restrictions on usage.
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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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*/
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/*! \file
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*
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* \brief Find-Me Follow-Me application
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*
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* \author BJ Weschke <bweschke@btwtech.com>
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*
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* \ingroup applications
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*/
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/*! \li \ref app_followme.c uses the configuration file \ref followme.conf
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* \addtogroup configuration_file Configuration Files
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*/
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/*!
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* \page followme.conf followme.conf
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* \verbinclude followme.conf.sample
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*/
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/*** MODULEINFO
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<support_level>core</support_level>
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***/
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#include "asterisk.h"
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#include <signal.h>
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#include "asterisk/paths.h" /* use ast_config_AST_SPOOL_DIR */
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#include "asterisk/lock.h"
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#include "asterisk/file.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/translate.h"
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#include "asterisk/say.h"
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#include "asterisk/features.h"
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#include "asterisk/musiconhold.h"
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#include "asterisk/cli.h"
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#include "asterisk/manager.h"
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#include "asterisk/config.h"
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#include "asterisk/utils.h"
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#include "asterisk/causes.h"
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#include "asterisk/astdb.h"
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#include "asterisk/dsp.h"
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#include "asterisk/app.h"
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#include "asterisk/stasis_channels.h"
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#include "asterisk/max_forwards.h"
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#define REC_FORMAT "sln"
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/*** DOCUMENTATION
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<application name="FollowMe" language="en_US">
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<synopsis>
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Find-Me/Follow-Me application.
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</synopsis>
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<syntax>
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<parameter name="followmeid" required="true" />
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<parameter name="options">
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<optionlist>
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<option name="a">
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<para>Record the caller's name so it can be announced to the
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callee on each step.</para>
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</option>
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<option name="B" argsep="^">
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<para>Before initiating the outgoing call(s), Gosub to the specified
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location using the current channel.</para>
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<argument name="context" required="false" />
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<argument name="exten" required="false" />
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<argument name="priority" required="true" hasparams="optional" argsep="^">
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<argument name="arg1" multiple="true" required="true" />
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<argument name="argN" />
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</argument>
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</option>
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<option name="b" argsep="^">
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<para>Before initiating an outgoing call, Gosub to the specified
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location using the newly created channel. The Gosub will be
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executed for each destination channel.</para>
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<argument name="context" required="false" />
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<argument name="exten" required="false" />
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<argument name="priority" required="true" hasparams="optional" argsep="^">
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<argument name="arg1" multiple="true" required="true" />
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<argument name="argN" />
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</argument>
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</option>
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<option name="d">
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<para>Disable the 'Please hold while we try to connect your call' announcement.</para>
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</option>
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<option name="I">
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<para>Asterisk will ignore any connected line update requests
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it may receive on this dial attempt.</para>
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</option>
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<option name="l">
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<para>Disable local call optimization so that applications with
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audio hooks between the local bridge don't get dropped when the
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calls get joined directly.</para>
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</option>
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<option name="N">
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<para>Don't answer the incoming call until we're ready to
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connect the caller or give up.</para>
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<note>
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<para>This option is ignored if the call is already answered.</para>
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</note>
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<note>
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<para>If the call is not already answered, the 'a' and 's'
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options are ignored while the 'd' option is implicitly enabled.</para>
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</note>
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</option>
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<option name="n">
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<para>Playback the unreachable status message if we've run out
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of steps or the callee has elected not to be reachable.</para>
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</option>
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<option name="s">
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<para>Playback the incoming status message prior to starting
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the follow-me step(s)</para>
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</option>
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</optionlist>
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</parameter>
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</syntax>
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<description>
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<para>This application performs Find-Me/Follow-Me functionality for the caller
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as defined in the profile matching the <replaceable>followmeid</replaceable> parameter in
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<filename>followme.conf</filename>. If the specified <replaceable>followmeid</replaceable>
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profile doesn't exist in <filename>followme.conf</filename>, execution will be returned
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to the dialplan and call execution will continue at the next priority.</para>
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<para>Returns -1 on hangup.</para>
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</description>
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</application>
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***/
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static char *app = "FollowMe";
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/*! Maximum accept/decline DTMF string plus terminator. */
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#define MAX_YN_STRING 20
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/*! \brief Number structure */
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struct number {
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char number[512]; /*!< Phone Number(s) and/or Extension(s) */
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long timeout; /*!< Dial Timeout, if used. */
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int order; /*!< The order to dial in */
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AST_LIST_ENTRY(number) entry; /*!< Next Number record */
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};
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/*! \brief Data structure for followme scripts */
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struct call_followme {
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ast_mutex_t lock;
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char name[AST_MAX_EXTENSION]; /*!< Name - FollowMeID */
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char moh[MAX_MUSICCLASS]; /*!< Music On Hold Class to be used */
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char context[AST_MAX_CONTEXT]; /*!< Context to dial from */
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unsigned int active; /*!< Profile is active (1), or disabled (0). */
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int realtime; /*!< Cached from realtime */
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/*! Allow callees to accept/reject the forwarded call */
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unsigned int enable_callee_prompt:1;
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char takecall[MAX_YN_STRING]; /*!< Digit mapping to take a call */
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char nextindp[MAX_YN_STRING]; /*!< Digit mapping to decline a call */
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char callfromprompt[PATH_MAX]; /*!< Sound prompt name and path */
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char norecordingprompt[PATH_MAX]; /*!< Sound prompt name and path */
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char optionsprompt[PATH_MAX]; /*!< Sound prompt name and path */
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char plsholdprompt[PATH_MAX]; /*!< Sound prompt name and path */
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char statusprompt[PATH_MAX]; /*!< Sound prompt name and path */
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char sorryprompt[PATH_MAX]; /*!< Sound prompt name and path */
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char connprompt[PATH_MAX]; /*!< Sound prompt name and path */
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AST_LIST_HEAD_NOLOCK(numbers, number) numbers; /*!< Head of the list of follow-me numbers */
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AST_LIST_HEAD_NOLOCK(blnumbers, number) blnumbers; /*!< Head of the list of black-listed numbers */
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AST_LIST_HEAD_NOLOCK(wlnumbers, number) wlnumbers; /*!< Head of the list of white-listed numbers */
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AST_LIST_ENTRY(call_followme) entry; /*!< Next Follow-Me record */
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};
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struct fm_args {
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char *mohclass;
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AST_LIST_HEAD_NOLOCK(cnumbers, number) cnumbers;
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/*! Gosub app arguments for outgoing calls. NULL if not supplied. */
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const char *predial_callee;
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/*! Accumulated connected line information from inbound call. */
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struct ast_party_connected_line connected_in;
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/*! Accumulated connected line information from outbound call. */
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struct ast_party_connected_line connected_out;
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/*! TRUE if connected line information from inbound call changed. */
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unsigned int pending_in_connected_update:1;
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/*! TRUE if connected line information from outbound call is available. */
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unsigned int pending_out_connected_update:1;
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/*! TRUE if caller has a pending hold request for the winning call. */
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unsigned int pending_hold:1;
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/*! TRUE if callees will be prompted to answer */
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unsigned int enable_callee_prompt:1;
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/*! Music On Hold Class suggested by caller hold for winning call. */
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char suggested_moh[MAX_MUSICCLASS];
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char context[AST_MAX_CONTEXT];
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char namerecloc[PATH_MAX];
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char takecall[MAX_YN_STRING]; /*!< Digit mapping to take a call */
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char nextindp[MAX_YN_STRING]; /*!< Digit mapping to decline a call */
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char callfromprompt[PATH_MAX]; /*!< Sound prompt name and path */
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char norecordingprompt[PATH_MAX]; /*!< Sound prompt name and path */
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char optionsprompt[PATH_MAX]; /*!< Sound prompt name and path */
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char plsholdprompt[PATH_MAX]; /*!< Sound prompt name and path */
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char statusprompt[PATH_MAX]; /*!< Sound prompt name and path */
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char sorryprompt[PATH_MAX]; /*!< Sound prompt name and path */
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char connprompt[PATH_MAX]; /*!< Sound prompt name and path */
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struct ast_flags followmeflags;
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};
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struct findme_user {
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struct ast_channel *ochan;
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/*! Accumulated connected line information from outgoing call. */
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struct ast_party_connected_line connected;
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long digts;
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int ynidx;
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int state;
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char dialarg[768];
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/*! Collected digits to accept/decline the call. */
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char yn[MAX_YN_STRING];
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/*! TRUE if the outgoing call is answered. */
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unsigned int answered:1;
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/*! TRUE if connected line information is available. */
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unsigned int pending_connected_update:1;
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AST_LIST_ENTRY(findme_user) entry;
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};
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enum {
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FOLLOWMEFLAG_STATUSMSG = (1 << 0),
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FOLLOWMEFLAG_RECORDNAME = (1 << 1),
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FOLLOWMEFLAG_UNREACHABLEMSG = (1 << 2),
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FOLLOWMEFLAG_DISABLEHOLDPROMPT = (1 << 3),
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FOLLOWMEFLAG_NOANSWER = (1 << 4),
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FOLLOWMEFLAG_DISABLEOPTIMIZATION = (1 << 5),
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FOLLOWMEFLAG_IGNORE_CONNECTEDLINE = (1 << 6),
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FOLLOWMEFLAG_PREDIAL_CALLER = (1 << 7),
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FOLLOWMEFLAG_PREDIAL_CALLEE = (1 << 8),
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};
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enum {
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FOLLOWMEFLAG_ARG_PREDIAL_CALLER,
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FOLLOWMEFLAG_ARG_PREDIAL_CALLEE,
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/* note: this entry _MUST_ be the last one in the enum */
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FOLLOWMEFLAG_ARG_ARRAY_SIZE
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};
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AST_APP_OPTIONS(followme_opts, {
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AST_APP_OPTION('a', FOLLOWMEFLAG_RECORDNAME),
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AST_APP_OPTION_ARG('B', FOLLOWMEFLAG_PREDIAL_CALLER, FOLLOWMEFLAG_ARG_PREDIAL_CALLER),
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AST_APP_OPTION_ARG('b', FOLLOWMEFLAG_PREDIAL_CALLEE, FOLLOWMEFLAG_ARG_PREDIAL_CALLEE),
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AST_APP_OPTION('d', FOLLOWMEFLAG_DISABLEHOLDPROMPT),
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AST_APP_OPTION('I', FOLLOWMEFLAG_IGNORE_CONNECTEDLINE),
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AST_APP_OPTION('l', FOLLOWMEFLAG_DISABLEOPTIMIZATION),
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AST_APP_OPTION('N', FOLLOWMEFLAG_NOANSWER),
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AST_APP_OPTION('n', FOLLOWMEFLAG_UNREACHABLEMSG),
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AST_APP_OPTION('s', FOLLOWMEFLAG_STATUSMSG),
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});
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static const char *featuredigittostr;
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static int featuredigittimeout = 5000; /*!< Feature Digit Timeout */
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static const char *defaultmoh = "default"; /*!< Default Music-On-Hold Class */
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static char takecall[MAX_YN_STRING] = "1";
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static char nextindp[MAX_YN_STRING] = "2";
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static int enable_callee_prompt = 1;
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static char callfromprompt[PATH_MAX] = "followme/call-from";
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static char norecordingprompt[PATH_MAX] = "followme/no-recording";
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static char optionsprompt[PATH_MAX] = "followme/options";
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static char plsholdprompt[PATH_MAX] = "followme/pls-hold-while-try";
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static char statusprompt[PATH_MAX] = "followme/status";
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static char sorryprompt[PATH_MAX] = "followme/sorry";
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static char connprompt[PATH_MAX] = "";
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static AST_RWLIST_HEAD_STATIC(followmes, call_followme);
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AST_LIST_HEAD_NOLOCK(findme_user_listptr, findme_user);
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static void free_numbers(struct call_followme *f)
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{
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/* Free numbers attached to the profile */
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struct number *prev;
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while ((prev = AST_LIST_REMOVE_HEAD(&f->numbers, entry)))
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/* Free the number */
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ast_free(prev);
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AST_LIST_HEAD_INIT_NOLOCK(&f->numbers);
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while ((prev = AST_LIST_REMOVE_HEAD(&f->blnumbers, entry)))
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/* Free the blacklisted number */
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ast_free(prev);
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AST_LIST_HEAD_INIT_NOLOCK(&f->blnumbers);
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while ((prev = AST_LIST_REMOVE_HEAD(&f->wlnumbers, entry)))
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/* Free the whitelisted number */
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ast_free(prev);
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AST_LIST_HEAD_INIT_NOLOCK(&f->wlnumbers);
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}
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/*! \brief Allocate and initialize followme profile */
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static struct call_followme *alloc_profile(const char *fmname)
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{
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struct call_followme *f;
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if (!(f = ast_calloc(1, sizeof(*f))))
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return NULL;
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ast_mutex_init(&f->lock);
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ast_copy_string(f->name, fmname, sizeof(f->name));
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AST_LIST_HEAD_INIT_NOLOCK(&f->numbers);
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AST_LIST_HEAD_INIT_NOLOCK(&f->blnumbers);
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AST_LIST_HEAD_INIT_NOLOCK(&f->wlnumbers);
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return f;
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}
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static void init_profile(struct call_followme *f, int activate)
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{
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f->enable_callee_prompt = enable_callee_prompt;
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f->context[0] = '\0';
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ast_copy_string(f->moh, defaultmoh, sizeof(f->moh));
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ast_copy_string(f->takecall, takecall, sizeof(f->takecall));
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ast_copy_string(f->nextindp, nextindp, sizeof(f->nextindp));
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ast_copy_string(f->callfromprompt, callfromprompt, sizeof(f->callfromprompt));
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ast_copy_string(f->norecordingprompt, norecordingprompt, sizeof(f->norecordingprompt));
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ast_copy_string(f->optionsprompt, optionsprompt, sizeof(f->optionsprompt));
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ast_copy_string(f->plsholdprompt, plsholdprompt, sizeof(f->plsholdprompt));
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ast_copy_string(f->statusprompt, statusprompt, sizeof(f->statusprompt));
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ast_copy_string(f->sorryprompt, sorryprompt, sizeof(f->sorryprompt));
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ast_copy_string(f->connprompt, connprompt, sizeof(f->connprompt));
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if (activate) {
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f->active = 1;
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}
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}
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/*! \brief Set parameter in profile from configuration file */
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static void profile_set_param(struct call_followme *f, const char *param, const char *val, int linenum, int failunknown)
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{
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if (!strcasecmp(param, "musicclass") || !strcasecmp(param, "musiconhold") || !strcasecmp(param, "music"))
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ast_copy_string(f->moh, val, sizeof(f->moh));
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else if (!strcasecmp(param, "context"))
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ast_copy_string(f->context, val, sizeof(f->context));
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else if (!strcasecmp(param, "enable_callee_prompt"))
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f->enable_callee_prompt = ast_true(val);
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else if (!strcasecmp(param, "takecall"))
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ast_copy_string(f->takecall, val, sizeof(f->takecall));
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else if (!strcasecmp(param, "declinecall"))
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ast_copy_string(f->nextindp, val, sizeof(f->nextindp));
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else if (!strcasecmp(param, "call-from-prompt") || !strcasecmp(param, "call_from_prompt"))
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ast_copy_string(f->callfromprompt, val, sizeof(f->callfromprompt));
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else if (!strcasecmp(param, "followme-norecording-prompt") || !strcasecmp(param, "norecording_prompt"))
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ast_copy_string(f->norecordingprompt, val, sizeof(f->norecordingprompt));
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else if (!strcasecmp(param, "followme-options-prompt") || !strcasecmp(param, "options_prompt"))
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ast_copy_string(f->optionsprompt, val, sizeof(f->optionsprompt));
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else if (!strcasecmp(param, "followme-pls-hold-prompt") || !strcasecmp(param, "pls_hold_prompt"))
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ast_copy_string(f->plsholdprompt, val, sizeof(f->plsholdprompt));
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else if (!strcasecmp(param, "followme-status-prompt") || !strcasecmp(param, "status_prompt"))
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ast_copy_string(f->statusprompt, val, sizeof(f->statusprompt));
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else if (!strcasecmp(param, "followme-sorry-prompt") || !strcasecmp(param, "sorry_prompt"))
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ast_copy_string(f->sorryprompt, val, sizeof(f->sorryprompt));
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else if (!strcasecmp(param, "followme-connecting-prompt") || !strcasecmp(param, "connecting_prompt")) {
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ast_copy_string(f->connprompt, val, sizeof(f->connprompt));
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} else if (failunknown) {
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if (linenum >= 0)
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ast_log(LOG_WARNING, "Unknown keyword in profile '%s': %s at line %d of followme.conf\n", f->name, param, linenum);
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else
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ast_log(LOG_WARNING, "Unknown keyword in profile '%s': %s\n", f->name, param);
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}
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}
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/*! \brief Add a new number */
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static struct number *create_followme_number(const char *number, int timeout, int numorder)
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{
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struct number *cur;
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char *buf = ast_strdupa(number);
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char *tmp;
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if (!(cur = ast_calloc(1, sizeof(*cur))))
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return NULL;
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cur->timeout = timeout;
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if ((tmp = strchr(buf, ',')))
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*tmp = '\0';
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ast_copy_string(cur->number, buf, sizeof(cur->number));
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cur->order = numorder;
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ast_debug(1, "Created a number, %s, order of , %d, with a timeout of %ld.\n", cur->number, cur->order, cur->timeout);
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return cur;
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}
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/*! \brief Reload followme application module */
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static int reload_followme(int reload)
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{
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struct call_followme *f;
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struct ast_config *cfg;
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char *cat = NULL, *tmp;
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struct ast_variable *var;
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struct number *cur, *nm;
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int timeout;
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int numorder;
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const char* enable_callee_prompt_str;
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const char *takecallstr;
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const char *declinecallstr;
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const char *tmpstr;
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struct ast_flags config_flags = { reload ? CONFIG_FLAG_FILEUNCHANGED : 0 };
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if (!(cfg = ast_config_load("followme.conf", config_flags))) {
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ast_log(LOG_WARNING, "No follow me config file (followme.conf), so no follow me\n");
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return 0;
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} else if (cfg == CONFIG_STATUS_FILEUNCHANGED) {
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return 0;
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} else if (cfg == CONFIG_STATUS_FILEINVALID) {
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ast_log(LOG_ERROR, "Config file followme.conf is in an invalid format. Aborting.\n");
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return 0;
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}
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AST_RWLIST_WRLOCK(&followmes);
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/* Reset Global Var Values */
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featuredigittimeout = 5000;
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/* Mark all profiles as inactive for the moment */
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AST_RWLIST_TRAVERSE(&followmes, f, entry) {
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f->active = 0;
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}
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featuredigittostr = ast_variable_retrieve(cfg, "general", "featuredigittimeout");
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|
|
if (!ast_strlen_zero(featuredigittostr)) {
|
|
if (!sscanf(featuredigittostr, "%30d", &featuredigittimeout))
|
|
featuredigittimeout = 5000;
|
|
}
|
|
|
|
if ((enable_callee_prompt_str = ast_variable_retrieve(cfg, "general",
|
|
"enable_callee_prompt")) &&
|
|
!ast_strlen_zero(enable_callee_prompt_str)) {
|
|
enable_callee_prompt = ast_true(enable_callee_prompt_str);
|
|
}
|
|
|
|
if ((takecallstr = ast_variable_retrieve(cfg, "general", "takecall")) && !ast_strlen_zero(takecallstr)) {
|
|
ast_copy_string(takecall, takecallstr, sizeof(takecall));
|
|
}
|
|
|
|
if ((declinecallstr = ast_variable_retrieve(cfg, "general", "declinecall")) && !ast_strlen_zero(declinecallstr)) {
|
|
ast_copy_string(nextindp, declinecallstr, sizeof(nextindp));
|
|
}
|
|
|
|
if ((tmpstr = ast_variable_retrieve(cfg, "general", "call-from-prompt")) && !ast_strlen_zero(tmpstr)) {
|
|
ast_copy_string(callfromprompt, tmpstr, sizeof(callfromprompt));
|
|
} else if ((tmpstr = ast_variable_retrieve(cfg, "general", "call_from_prompt")) && !ast_strlen_zero(tmpstr)) {
|
|
ast_copy_string(callfromprompt, tmpstr, sizeof(callfromprompt));
|
|
}
|
|
|
|
if ((tmpstr = ast_variable_retrieve(cfg, "general", "norecording-prompt")) && !ast_strlen_zero(tmpstr)) {
|
|
ast_copy_string(norecordingprompt, tmpstr, sizeof(norecordingprompt));
|
|
} else if ((tmpstr = ast_variable_retrieve(cfg, "general", "norecording_prompt")) && !ast_strlen_zero(tmpstr)) {
|
|
ast_copy_string(norecordingprompt, tmpstr, sizeof(norecordingprompt));
|
|
}
|
|
|
|
|
|
if ((tmpstr = ast_variable_retrieve(cfg, "general", "options-prompt")) && !ast_strlen_zero(tmpstr)) {
|
|
ast_copy_string(optionsprompt, tmpstr, sizeof(optionsprompt));
|
|
} else if ((tmpstr = ast_variable_retrieve(cfg, "general", "options_prompt")) && !ast_strlen_zero(tmpstr)) {
|
|
ast_copy_string(optionsprompt, tmpstr, sizeof(optionsprompt));
|
|
}
|
|
|
|
if ((tmpstr = ast_variable_retrieve(cfg, "general", "pls-hold-prompt")) && !ast_strlen_zero(tmpstr)) {
|
|
ast_copy_string(plsholdprompt, tmpstr, sizeof(plsholdprompt));
|
|
} else if ((tmpstr = ast_variable_retrieve(cfg, "general", "pls_hold_prompt")) && !ast_strlen_zero(tmpstr)) {
|
|
ast_copy_string(plsholdprompt, tmpstr, sizeof(plsholdprompt));
|
|
}
|
|
|
|
if ((tmpstr = ast_variable_retrieve(cfg, "general", "status-prompt")) && !ast_strlen_zero(tmpstr)) {
|
|
ast_copy_string(statusprompt, tmpstr, sizeof(statusprompt));
|
|
} else if ((tmpstr = ast_variable_retrieve(cfg, "general", "status_prompt")) && !ast_strlen_zero(tmpstr)) {
|
|
ast_copy_string(statusprompt, tmpstr, sizeof(statusprompt));
|
|
}
|
|
|
|
if ((tmpstr = ast_variable_retrieve(cfg, "general", "sorry-prompt")) && !ast_strlen_zero(tmpstr)) {
|
|
ast_copy_string(sorryprompt, tmpstr, sizeof(sorryprompt));
|
|
} else if ((tmpstr = ast_variable_retrieve(cfg, "general", "sorry_prompt")) && !ast_strlen_zero(tmpstr)) {
|
|
ast_copy_string(sorryprompt, tmpstr, sizeof(sorryprompt));
|
|
}
|
|
|
|
if ((tmpstr = ast_variable_retrieve(cfg, "general", "connecting-prompt")) && !ast_strlen_zero(tmpstr)) {
|
|
ast_copy_string(connprompt, tmpstr, sizeof(connprompt));
|
|
} else if ((tmpstr = ast_variable_retrieve(cfg, "general", "connecting_prompt")) && !ast_strlen_zero(tmpstr)) {
|
|
ast_copy_string(connprompt, tmpstr, sizeof(connprompt));
|
|
}
|
|
|
|
|
|
/* Chug through config file */
|
|
while ((cat = ast_category_browse(cfg, cat))) {
|
|
int new = 0;
|
|
|
|
if (!strcasecmp(cat, "general"))
|
|
continue;
|
|
|
|
/* Look for an existing one */
|
|
AST_LIST_TRAVERSE(&followmes, f, entry) {
|
|
if (!strcasecmp(f->name, cat))
|
|
break;
|
|
}
|
|
|
|
ast_debug(1, "New profile %s.\n", cat);
|
|
|
|
if (!f) {
|
|
/* Make one then */
|
|
f = alloc_profile(cat);
|
|
new = 1;
|
|
}
|
|
|
|
/* Totally fail if we fail to find/create an entry */
|
|
if (!f)
|
|
continue;
|
|
|
|
if (!new)
|
|
ast_mutex_lock(&f->lock);
|
|
/* Re-initialize the profile */
|
|
init_profile(f, 1);
|
|
free_numbers(f);
|
|
var = ast_variable_browse(cfg, cat);
|
|
while (var) {
|
|
if (!strcasecmp(var->name, "number")) {
|
|
int idx = 0;
|
|
char copy[strlen(var->value) + 1];
|
|
char *numberstr;
|
|
|
|
/* Add a new number */
|
|
strcpy(copy, var->value); /* safe */
|
|
numberstr = copy;
|
|
if ((tmp = strchr(numberstr, ','))) {
|
|
*tmp++ = '\0';
|
|
timeout = atoi(tmp);
|
|
if (timeout < 0) {
|
|
timeout = 25;
|
|
}
|
|
if ((tmp = strchr(tmp, ','))) {
|
|
*tmp++ = '\0';
|
|
numorder = atoi(tmp);
|
|
if (numorder < 0)
|
|
numorder = 0;
|
|
} else
|
|
numorder = 0;
|
|
} else {
|
|
timeout = 25;
|
|
numorder = 0;
|
|
}
|
|
|
|
if (!numorder) {
|
|
idx = 1;
|
|
AST_LIST_TRAVERSE(&f->numbers, nm, entry)
|
|
idx++;
|
|
numorder = idx;
|
|
}
|
|
cur = create_followme_number(numberstr, timeout, numorder);
|
|
if (cur) {
|
|
AST_LIST_INSERT_TAIL(&f->numbers, cur, entry);
|
|
}
|
|
} else {
|
|
profile_set_param(f, var->name, var->value, var->lineno, 1);
|
|
ast_debug(2, "Logging parameter %s with value %s from lineno %d\n", var->name, var->value, var->lineno);
|
|
}
|
|
var = var->next;
|
|
} /* End while(var) loop */
|
|
|
|
if (!new)
|
|
ast_mutex_unlock(&f->lock);
|
|
else
|
|
AST_RWLIST_INSERT_HEAD(&followmes, f, entry);
|
|
}
|
|
|
|
ast_config_destroy(cfg);
|
|
|
|
AST_RWLIST_UNLOCK(&followmes);
|
|
|
|
return 1;
|
|
}
|
|
|
|
static void publish_dial_end_event(struct ast_channel *in, struct findme_user_listptr *findme_user_list, struct ast_channel *exception, const char *status)
|
|
{
|
|
struct findme_user *tmpuser;
|
|
|
|
AST_LIST_TRAVERSE(findme_user_list, tmpuser, entry) {
|
|
if (tmpuser->ochan && tmpuser->ochan != exception) {
|
|
ast_channel_publish_dial(in, tmpuser->ochan, NULL, status);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void clear_caller(struct findme_user *tmpuser)
|
|
{
|
|
struct ast_channel *outbound;
|
|
|
|
if (!tmpuser->ochan) {
|
|
/* Call already cleared. */
|
|
return;
|
|
}
|
|
|
|
outbound = tmpuser->ochan;
|
|
ast_hangup(outbound);
|
|
tmpuser->ochan = NULL;
|
|
}
|
|
|
|
static void clear_unanswered_calls(struct findme_user_listptr *findme_user_list)
|
|
{
|
|
struct findme_user *tmpuser;
|
|
|
|
AST_LIST_TRAVERSE(findme_user_list, tmpuser, entry) {
|
|
if (!tmpuser->answered) {
|
|
clear_caller(tmpuser);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void destroy_calling_node(struct findme_user *node)
|
|
{
|
|
clear_caller(node);
|
|
ast_party_connected_line_free(&node->connected);
|
|
ast_free(node);
|
|
}
|
|
|
|
static void destroy_calling_tree(struct findme_user_listptr *findme_user_list)
|
|
{
|
|
struct findme_user *fmuser;
|
|
|
|
while ((fmuser = AST_LIST_REMOVE_HEAD(findme_user_list, entry))) {
|
|
destroy_calling_node(fmuser);
|
|
}
|
|
}
|
|
|
|
static struct ast_channel *wait_for_winner(struct findme_user_listptr *findme_user_list, struct number *nm, struct ast_channel *caller, struct fm_args *tpargs)
|
|
{
|
|
struct ast_party_connected_line connected;
|
|
struct ast_channel *watchers[256];
|
|
int pos;
|
|
struct ast_channel *winner;
|
|
struct ast_frame *f;
|
|
struct findme_user *tmpuser;
|
|
int to = 0;
|
|
int livechannels;
|
|
int tmpto;
|
|
long totalwait = 0, wtd = 0, towas = 0;
|
|
char *callfromname;
|
|
char *pressbuttonname;
|
|
|
|
/* ------------ wait_for_winner_channel start --------------- */
|
|
|
|
callfromname = ast_strdupa(tpargs->callfromprompt);
|
|
pressbuttonname = ast_strdupa(tpargs->optionsprompt);
|
|
|
|
totalwait = nm->timeout * 1000;
|
|
|
|
for (;;) {
|
|
to = 1000;
|
|
pos = 1;
|
|
livechannels = 0;
|
|
watchers[0] = caller;
|
|
|
|
winner = NULL;
|
|
AST_LIST_TRAVERSE(findme_user_list, tmpuser, entry) {
|
|
if (!tmpuser->ochan) {
|
|
continue;
|
|
}
|
|
if (tmpuser->state == 3) {
|
|
tmpuser->digts += (towas - wtd);
|
|
}
|
|
if (tmpuser->digts && (tmpuser->digts > featuredigittimeout)) {
|
|
ast_verb(3, "<%s> We've been waiting for digits longer than we should have.\n",
|
|
ast_channel_name(tmpuser->ochan));
|
|
if (tpargs->enable_callee_prompt) {
|
|
if (!ast_strlen_zero(tpargs->namerecloc)) {
|
|
tmpuser->state = 1;
|
|
tmpuser->digts = 0;
|
|
if (!ast_streamfile(tmpuser->ochan, callfromname, ast_channel_language(tmpuser->ochan))) {
|
|
ast_sched_runq(ast_channel_sched(tmpuser->ochan));
|
|
} else {
|
|
ast_log(LOG_WARNING, "Unable to playback %s.\n", callfromname);
|
|
clear_caller(tmpuser);
|
|
continue;
|
|
}
|
|
} else {
|
|
tmpuser->state = 2;
|
|
tmpuser->digts = 0;
|
|
if (!ast_streamfile(tmpuser->ochan, tpargs->norecordingprompt, ast_channel_language(tmpuser->ochan)))
|
|
ast_sched_runq(ast_channel_sched(tmpuser->ochan));
|
|
else {
|
|
ast_log(LOG_WARNING, "Unable to playback %s.\n", tpargs->norecordingprompt);
|
|
clear_caller(tmpuser);
|
|
continue;
|
|
}
|
|
}
|
|
} else {
|
|
tmpuser->state = 3;
|
|
}
|
|
}
|
|
if (ast_channel_stream(tmpuser->ochan)) {
|
|
ast_sched_runq(ast_channel_sched(tmpuser->ochan));
|
|
tmpto = ast_sched_wait(ast_channel_sched(tmpuser->ochan));
|
|
if (tmpto > 0 && tmpto < to)
|
|
to = tmpto;
|
|
else if (tmpto < 0 && !ast_channel_timingfunc(tmpuser->ochan)) {
|
|
ast_stopstream(tmpuser->ochan);
|
|
switch (tmpuser->state) {
|
|
case 1:
|
|
ast_verb(3, "<%s> Playback of the call-from file appears to be done.\n",
|
|
ast_channel_name(tmpuser->ochan));
|
|
if (!ast_streamfile(tmpuser->ochan, tpargs->namerecloc, ast_channel_language(tmpuser->ochan))) {
|
|
tmpuser->state = 2;
|
|
} else {
|
|
ast_log(LOG_NOTICE, "<%s> Unable to playback %s. Maybe the caller didn't record their name?\n",
|
|
ast_channel_name(tmpuser->ochan), tpargs->namerecloc);
|
|
memset(tmpuser->yn, 0, sizeof(tmpuser->yn));
|
|
tmpuser->ynidx = 0;
|
|
if (!ast_streamfile(tmpuser->ochan, pressbuttonname, ast_channel_language(tmpuser->ochan)))
|
|
tmpuser->state = 3;
|
|
else {
|
|
ast_log(LOG_WARNING, "Unable to playback %s.\n", pressbuttonname);
|
|
clear_caller(tmpuser);
|
|
continue;
|
|
}
|
|
}
|
|
break;
|
|
case 2:
|
|
ast_verb(3, "<%s> Playback of name file appears to be done.\n",
|
|
ast_channel_name(tmpuser->ochan));
|
|
memset(tmpuser->yn, 0, sizeof(tmpuser->yn));
|
|
tmpuser->ynidx = 0;
|
|
if (!ast_streamfile(tmpuser->ochan, pressbuttonname, ast_channel_language(tmpuser->ochan))) {
|
|
tmpuser->state = 3;
|
|
} else {
|
|
clear_caller(tmpuser);
|
|
continue;
|
|
}
|
|
break;
|
|
case 3:
|
|
ast_verb(3, "<%s> Playback of the next step file appears to be done.\n",
|
|
ast_channel_name(tmpuser->ochan));
|
|
tmpuser->digts = 0;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
watchers[pos++] = tmpuser->ochan;
|
|
livechannels++;
|
|
}
|
|
if (!livechannels) {
|
|
ast_verb(3, "No live channels left for this step.\n");
|
|
return NULL;
|
|
}
|
|
|
|
tmpto = to;
|
|
towas = to;
|
|
winner = ast_waitfor_n(watchers, pos, &to);
|
|
tmpto -= to;
|
|
totalwait -= tmpto;
|
|
wtd = to;
|
|
if (totalwait <= 0) {
|
|
ast_verb(3, "We've hit our timeout for this step. Dropping unanswered calls and starting the next step.\n");
|
|
clear_unanswered_calls(findme_user_list);
|
|
return NULL;
|
|
}
|
|
if (winner) {
|
|
/* Need to find out which channel this is */
|
|
if (winner != caller) {
|
|
/* The winner is an outgoing channel. */
|
|
AST_LIST_TRAVERSE(findme_user_list, tmpuser, entry) {
|
|
if (tmpuser->ochan == winner) {
|
|
break;
|
|
}
|
|
}
|
|
} else {
|
|
tmpuser = NULL;
|
|
}
|
|
|
|
f = ast_read(winner);
|
|
if (f) {
|
|
if (f->frametype == AST_FRAME_CONTROL) {
|
|
switch (f->subclass.integer) {
|
|
case AST_CONTROL_HANGUP:
|
|
ast_verb(3, "%s received a hangup frame.\n", ast_channel_name(winner));
|
|
if (f->data.uint32) {
|
|
ast_channel_hangupcause_set(winner, f->data.uint32);
|
|
}
|
|
if (!tmpuser) {
|
|
ast_verb(3, "The calling channel hungup. Need to drop everyone.\n");
|
|
publish_dial_end_event(caller, findme_user_list, NULL, "CANCEL");
|
|
ast_frfree(f);
|
|
return NULL;
|
|
}
|
|
clear_caller(tmpuser);
|
|
break;
|
|
case AST_CONTROL_ANSWER:
|
|
if (!tmpuser) {
|
|
/* The caller answered? We want an outgoing channel to answer. */
|
|
break;
|
|
}
|
|
ast_verb(3, "%s answered %s\n", ast_channel_name(winner), ast_channel_name(caller));
|
|
ast_channel_publish_dial(caller, winner, NULL, "ANSWER");
|
|
publish_dial_end_event(caller, findme_user_list, winner, "CANCEL");
|
|
tmpuser->answered = 1;
|
|
/* If call has been answered, then the eventual hangup is likely to be normal hangup */
|
|
ast_channel_hangupcause_set(winner, AST_CAUSE_NORMAL_CLEARING);
|
|
ast_channel_hangupcause_set(caller, AST_CAUSE_NORMAL_CLEARING);
|
|
if (tpargs->enable_callee_prompt) {
|
|
ast_verb(3, "Starting playback of %s\n", callfromname);
|
|
if (!ast_strlen_zero(tpargs->namerecloc)) {
|
|
if (!ast_streamfile(winner, callfromname, ast_channel_language(winner))) {
|
|
ast_sched_runq(ast_channel_sched(winner));
|
|
tmpuser->state = 1;
|
|
} else {
|
|
ast_log(LOG_WARNING, "Unable to playback %s.\n", callfromname);
|
|
clear_caller(tmpuser);
|
|
}
|
|
} else {
|
|
tmpuser->state = 2;
|
|
if (!ast_streamfile(tmpuser->ochan, tpargs->norecordingprompt, ast_channel_language(tmpuser->ochan)))
|
|
ast_sched_runq(ast_channel_sched(tmpuser->ochan));
|
|
else {
|
|
ast_log(LOG_WARNING, "Unable to playback %s.\n", tpargs->norecordingprompt);
|
|
clear_caller(tmpuser);
|
|
}
|
|
}
|
|
} else {
|
|
ast_verb(3, "Skip playback of caller name / norecording\n");
|
|
tmpuser->state = 2;
|
|
}
|
|
break;
|
|
case AST_CONTROL_BUSY:
|
|
ast_verb(3, "%s is busy\n", ast_channel_name(winner));
|
|
if (tmpuser) {
|
|
/* Outbound call was busy. Drop it. */
|
|
ast_channel_publish_dial(caller, winner, NULL, "BUSY");
|
|
clear_caller(tmpuser);
|
|
}
|
|
break;
|
|
case AST_CONTROL_CONGESTION:
|
|
ast_verb(3, "%s is circuit-busy\n", ast_channel_name(winner));
|
|
if (tmpuser) {
|
|
/* Outbound call was congested. Drop it. */
|
|
ast_channel_publish_dial(caller, winner, NULL, "CONGESTION");
|
|
clear_caller(tmpuser);
|
|
}
|
|
break;
|
|
case AST_CONTROL_RINGING:
|
|
ast_verb(3, "%s is ringing\n", ast_channel_name(winner));
|
|
ast_channel_publish_dial(caller, winner, NULL, "RINGING");
|
|
break;
|
|
case AST_CONTROL_PROGRESS:
|
|
ast_verb(3, "%s is making progress\n", ast_channel_name(winner));
|
|
ast_channel_publish_dial(caller, winner, NULL, "PROGRESS");
|
|
break;
|
|
case AST_CONTROL_VIDUPDATE:
|
|
ast_verb(3, "%s requested a video update\n", ast_channel_name(winner));
|
|
break;
|
|
case AST_CONTROL_SRCUPDATE:
|
|
ast_verb(3, "%s requested a source update\n", ast_channel_name(winner));
|
|
break;
|
|
case AST_CONTROL_PROCEEDING:
|
|
ast_verb(3, "%s is proceeding\n", ast_channel_name(winner));
|
|
ast_channel_publish_dial(caller, winner, NULL, "PROCEEDING");
|
|
break;
|
|
case AST_CONTROL_HOLD:
|
|
ast_verb(3, "%s placed call on hold\n", ast_channel_name(winner));
|
|
if (!tmpuser) {
|
|
/* Caller placed outgoing calls on hold. */
|
|
tpargs->pending_hold = 1;
|
|
if (f->data.ptr) {
|
|
ast_copy_string(tpargs->suggested_moh, f->data.ptr,
|
|
sizeof(tpargs->suggested_moh));
|
|
} else {
|
|
tpargs->suggested_moh[0] = '\0';
|
|
}
|
|
} else {
|
|
/*
|
|
* Outgoing call placed caller on hold.
|
|
*
|
|
* Ignore because the outgoing call should not be able to place
|
|
* the caller on hold until after they are bridged.
|
|
*/
|
|
}
|
|
break;
|
|
case AST_CONTROL_UNHOLD:
|
|
ast_verb(3, "%s removed call from hold\n", ast_channel_name(winner));
|
|
if (!tmpuser) {
|
|
/* Caller removed outgoing calls from hold. */
|
|
tpargs->pending_hold = 0;
|
|
} else {
|
|
/*
|
|
* Outgoing call removed caller from hold.
|
|
*
|
|
* Ignore because the outgoing call should not be able to place
|
|
* the caller on hold until after they are bridged.
|
|
*/
|
|
}
|
|
break;
|
|
case AST_CONTROL_OFFHOOK:
|
|
case AST_CONTROL_FLASH:
|
|
/* Ignore going off hook and flash */
|
|
break;
|
|
case AST_CONTROL_CONNECTED_LINE:
|
|
if (ast_test_flag(&tpargs->followmeflags, FOLLOWMEFLAG_IGNORE_CONNECTEDLINE)) {
|
|
ast_verb(3, "Connected line update from %s prevented.\n",
|
|
ast_channel_name(winner));
|
|
break;
|
|
}
|
|
if (!tmpuser) {
|
|
/*
|
|
* Hold connected line update from caller until we have a
|
|
* winner.
|
|
*/
|
|
ast_verb(3,
|
|
"%s connected line has changed. Saving it until we have a winner.\n",
|
|
ast_channel_name(winner));
|
|
ast_party_connected_line_set_init(&connected, &tpargs->connected_in);
|
|
if (!ast_connected_line_parse_data(f->data.ptr, f->datalen, &connected)) {
|
|
ast_party_connected_line_set(&tpargs->connected_in,
|
|
&connected, NULL);
|
|
tpargs->pending_in_connected_update = 1;
|
|
}
|
|
ast_party_connected_line_free(&connected);
|
|
} else {
|
|
ast_verb(3,
|
|
"%s connected line has changed. Saving it until answer.\n",
|
|
ast_channel_name(winner));
|
|
ast_party_connected_line_set_init(&connected, &tmpuser->connected);
|
|
if (!ast_connected_line_parse_data(f->data.ptr, f->datalen, &connected)) {
|
|
ast_party_connected_line_set(&tmpuser->connected,
|
|
&connected, NULL);
|
|
tmpuser->pending_connected_update = 1;
|
|
}
|
|
ast_party_connected_line_free(&connected);
|
|
}
|
|
break;
|
|
case AST_CONTROL_REDIRECTING:
|
|
/*
|
|
* Ignore because we are masking the FollowMe search progress to
|
|
* the caller.
|
|
*/
|
|
break;
|
|
case AST_CONTROL_PVT_CAUSE_CODE:
|
|
ast_indicate_data(caller, f->subclass.integer, f->data.ptr, f->datalen);
|
|
break;
|
|
case -1:
|
|
ast_verb(3, "%s stopped sounds\n", ast_channel_name(winner));
|
|
break;
|
|
default:
|
|
ast_debug(1, "Dunno what to do with control type %d from %s\n",
|
|
f->subclass.integer, ast_channel_name(winner));
|
|
break;
|
|
}
|
|
}
|
|
if (!tpargs->enable_callee_prompt && tmpuser) {
|
|
ast_debug(1, "Taking call with no prompt\n");
|
|
ast_frfree(f);
|
|
return tmpuser->ochan;
|
|
}
|
|
if (tmpuser && tmpuser->state == 3 && f->frametype == AST_FRAME_DTMF) {
|
|
int cmp_len;
|
|
|
|
if (ast_channel_stream(winner))
|
|
ast_stopstream(winner);
|
|
tmpuser->digts = 0;
|
|
ast_debug(1, "DTMF received: %c\n", (char) f->subclass.integer);
|
|
if (tmpuser->ynidx < ARRAY_LEN(tmpuser->yn) - 1) {
|
|
tmpuser->yn[tmpuser->ynidx++] = f->subclass.integer;
|
|
} else {
|
|
/* Discard oldest digit. */
|
|
memmove(tmpuser->yn, tmpuser->yn + 1,
|
|
sizeof(tmpuser->yn) - 2 * sizeof(tmpuser->yn[0]));
|
|
tmpuser->yn[ARRAY_LEN(tmpuser->yn) - 2] = f->subclass.integer;
|
|
}
|
|
ast_debug(1, "DTMF string: %s\n", tmpuser->yn);
|
|
cmp_len = strlen(tpargs->takecall);
|
|
if (cmp_len <= tmpuser->ynidx
|
|
&& !strcmp(tmpuser->yn + (tmpuser->ynidx - cmp_len), tpargs->takecall)) {
|
|
ast_debug(1, "Match to take the call!\n");
|
|
ast_frfree(f);
|
|
return tmpuser->ochan;
|
|
}
|
|
cmp_len = strlen(tpargs->nextindp);
|
|
if (cmp_len <= tmpuser->ynidx
|
|
&& !strcmp(tmpuser->yn + (tmpuser->ynidx - cmp_len), tpargs->nextindp)) {
|
|
ast_debug(1, "Declined to take the call.\n");
|
|
clear_caller(tmpuser);
|
|
}
|
|
}
|
|
|
|
ast_frfree(f);
|
|
} else {
|
|
ast_debug(1, "we didn't get a frame. hanging up.\n");
|
|
if (!tmpuser) {
|
|
/* Caller hung up. */
|
|
ast_verb(3, "The calling channel hungup. Need to drop everyone.\n");
|
|
return NULL;
|
|
}
|
|
/* Outgoing channel hung up. */
|
|
ast_channel_publish_dial(caller, winner, NULL, "NOANSWER");
|
|
clear_caller(tmpuser);
|
|
}
|
|
} else {
|
|
ast_debug(1, "timed out waiting for action\n");
|
|
}
|
|
}
|
|
|
|
/* Unreachable. */
|
|
}
|
|
|
|
/*!
|
|
* \internal
|
|
* \brief Find an extension willing to take the call.
|
|
*
|
|
* \param tpargs Active Followme config.
|
|
* \param caller Channel initiating the outgoing calls.
|
|
*
|
|
* \retval winner Winning outgoing call.
|
|
* \retval NULL if could not find someone to take the call.
|
|
*/
|
|
static struct ast_channel *findmeexec(struct fm_args *tpargs, struct ast_channel *caller)
|
|
{
|
|
struct number *nm;
|
|
struct ast_channel *winner = NULL;
|
|
char num[512];
|
|
int dg, idx;
|
|
char *rest, *number;
|
|
struct findme_user *tmpuser;
|
|
struct findme_user *fmuser;
|
|
struct findme_user_listptr findme_user_list = AST_LIST_HEAD_NOLOCK_INIT_VALUE;
|
|
struct findme_user_listptr new_user_list = AST_LIST_HEAD_NOLOCK_INIT_VALUE;
|
|
|
|
for (idx = 1; !ast_check_hangup(caller); ++idx) {
|
|
/* Find next followme numbers to dial. */
|
|
AST_LIST_TRAVERSE(&tpargs->cnumbers, nm, entry) {
|
|
if (nm->order == idx) {
|
|
break;
|
|
}
|
|
}
|
|
if (!nm) {
|
|
ast_verb(3, "No more steps left.\n");
|
|
break;
|
|
}
|
|
|
|
ast_debug(2, "Number(s) %s timeout %ld\n", nm->number, nm->timeout);
|
|
|
|
/*
|
|
* Put all active outgoing channels into autoservice.
|
|
*
|
|
* This needs to be done because ast_exists_extension() may put
|
|
* the caller into autoservice.
|
|
*/
|
|
AST_LIST_TRAVERSE(&findme_user_list, tmpuser, entry) {
|
|
if (tmpuser->ochan) {
|
|
ast_autoservice_start(tmpuser->ochan);
|
|
}
|
|
}
|
|
|
|
/* Create all new outgoing calls */
|
|
ast_copy_string(num, nm->number, sizeof(num));
|
|
for (number = num; number; number = rest) {
|
|
struct ast_channel *outbound;
|
|
|
|
rest = strchr(number, '&');
|
|
if (rest) {
|
|
*rest++ = 0;
|
|
}
|
|
|
|
/* We check if the extension exists, before creating the ast_channel struct */
|
|
if (!ast_exists_extension(caller, tpargs->context, number, 1, S_COR(ast_channel_caller(caller)->id.number.valid, ast_channel_caller(caller)->id.number.str, NULL))) {
|
|
ast_log(LOG_ERROR, "Extension '%s@%s' doesn't exist\n", number, tpargs->context);
|
|
continue;
|
|
}
|
|
|
|
tmpuser = ast_calloc(1, sizeof(*tmpuser));
|
|
if (!tmpuser) {
|
|
continue;
|
|
}
|
|
|
|
if (ast_strlen_zero(tpargs->context)) {
|
|
snprintf(tmpuser->dialarg, sizeof(tmpuser->dialarg), "%s%s",
|
|
number,
|
|
ast_test_flag(&tpargs->followmeflags, FOLLOWMEFLAG_DISABLEOPTIMIZATION)
|
|
? "/n" : "/m");
|
|
} else {
|
|
snprintf(tmpuser->dialarg, sizeof(tmpuser->dialarg), "%s@%s%s",
|
|
number, tpargs->context,
|
|
ast_test_flag(&tpargs->followmeflags, FOLLOWMEFLAG_DISABLEOPTIMIZATION)
|
|
? "/n" : "/m");
|
|
}
|
|
|
|
outbound = ast_request("Local", ast_channel_nativeformats(caller), NULL, caller,
|
|
tmpuser->dialarg, &dg);
|
|
if (!outbound) {
|
|
ast_log(LOG_WARNING, "Unable to allocate a channel for Local/%s cause: %s\n",
|
|
tmpuser->dialarg, ast_cause2str(dg));
|
|
ast_free(tmpuser);
|
|
continue;
|
|
}
|
|
|
|
ast_channel_lock_both(caller, outbound);
|
|
ast_connected_line_copy_from_caller(ast_channel_connected(outbound), ast_channel_caller(caller));
|
|
ast_channel_inherit_variables(caller, outbound);
|
|
ast_channel_datastore_inherit(caller, outbound);
|
|
ast_max_forwards_decrement(outbound);
|
|
ast_channel_language_set(outbound, ast_channel_language(caller));
|
|
ast_channel_req_accountcodes(outbound, caller, AST_CHANNEL_REQUESTOR_BRIDGE_PEER);
|
|
ast_channel_musicclass_set(outbound, ast_channel_musicclass(caller));
|
|
ast_channel_unlock(outbound);
|
|
ast_channel_unlock(caller);
|
|
|
|
tmpuser->ochan = outbound;
|
|
tmpuser->state = 0;
|
|
AST_LIST_INSERT_TAIL(&new_user_list, tmpuser, entry);
|
|
}
|
|
|
|
/*
|
|
* PREDIAL: Run gosub on all of the new callee channels
|
|
*
|
|
* We run the callee predial before ast_call() in case the user
|
|
* wishes to do something on the newly created channels before
|
|
* the channel does anything important.
|
|
*/
|
|
if (tpargs->predial_callee && !AST_LIST_EMPTY(&new_user_list)) {
|
|
/* Put caller into autoservice. */
|
|
ast_autoservice_start(caller);
|
|
|
|
/* Run predial on all new outgoing calls. */
|
|
AST_LIST_TRAVERSE(&new_user_list, tmpuser, entry) {
|
|
ast_pre_call(tmpuser->ochan, tpargs->predial_callee);
|
|
}
|
|
|
|
/* Take caller out of autoservice. */
|
|
if (ast_autoservice_stop(caller)) {
|
|
/*
|
|
* Caller hungup.
|
|
*
|
|
* Destoy all new outgoing calls.
|
|
*/
|
|
while ((tmpuser = AST_LIST_REMOVE_HEAD(&new_user_list, entry))) {
|
|
destroy_calling_node(tmpuser);
|
|
}
|
|
|
|
/* Take all active outgoing channels out of autoservice. */
|
|
AST_LIST_TRAVERSE(&findme_user_list, tmpuser, entry) {
|
|
if (tmpuser->ochan) {
|
|
ast_autoservice_stop(tmpuser->ochan);
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* Start all new outgoing calls */
|
|
AST_LIST_TRAVERSE_SAFE_BEGIN(&new_user_list, tmpuser, entry) {
|
|
ast_verb(3, "calling Local/%s\n", tmpuser->dialarg);
|
|
if (ast_call(tmpuser->ochan, tmpuser->dialarg, 0)) {
|
|
ast_verb(3, "couldn't reach at this number.\n");
|
|
AST_LIST_REMOVE_CURRENT(entry);
|
|
|
|
/* Destroy this failed new outgoing call. */
|
|
destroy_calling_node(tmpuser);
|
|
continue;
|
|
}
|
|
|
|
ast_channel_publish_dial(caller, tmpuser->ochan, tmpuser->dialarg, NULL);
|
|
}
|
|
AST_LIST_TRAVERSE_SAFE_END;
|
|
|
|
/* Take all active outgoing channels out of autoservice. */
|
|
AST_LIST_TRAVERSE_SAFE_BEGIN(&findme_user_list, tmpuser, entry) {
|
|
if (tmpuser->ochan && ast_autoservice_stop(tmpuser->ochan)) {
|
|
/* Existing outgoing call hungup. */
|
|
AST_LIST_REMOVE_CURRENT(entry);
|
|
destroy_calling_node(tmpuser);
|
|
}
|
|
}
|
|
AST_LIST_TRAVERSE_SAFE_END;
|
|
|
|
if (AST_LIST_EMPTY(&new_user_list)) {
|
|
/* No new channels remain at this order level. If there were any at all. */
|
|
continue;
|
|
}
|
|
|
|
/* Add new outgoing channels to the findme list. */
|
|
AST_LIST_APPEND_LIST(&findme_user_list, &new_user_list, entry);
|
|
|
|
winner = wait_for_winner(&findme_user_list, nm, caller, tpargs);
|
|
if (!winner) {
|
|
/* Remove all dead outgoing nodes. */
|
|
AST_LIST_TRAVERSE_SAFE_BEGIN(&findme_user_list, tmpuser, entry) {
|
|
if (!tmpuser->ochan) {
|
|
AST_LIST_REMOVE_CURRENT(entry);
|
|
destroy_calling_node(tmpuser);
|
|
}
|
|
}
|
|
AST_LIST_TRAVERSE_SAFE_END;
|
|
continue;
|
|
}
|
|
|
|
/* Destroy losing calls up to the winner. The rest will be destroyed later. */
|
|
while ((fmuser = AST_LIST_REMOVE_HEAD(&findme_user_list, entry))) {
|
|
if (fmuser->ochan == winner) {
|
|
/*
|
|
* Pass any connected line info up.
|
|
*
|
|
* NOTE: This code must be in line with destroy_calling_node().
|
|
*/
|
|
tpargs->connected_out = fmuser->connected;
|
|
tpargs->pending_out_connected_update = fmuser->pending_connected_update;
|
|
ast_free(fmuser);
|
|
break;
|
|
} else {
|
|
/* Destroy losing call. */
|
|
destroy_calling_node(fmuser);
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
destroy_calling_tree(&findme_user_list);
|
|
return winner;
|
|
}
|
|
|
|
static struct call_followme *find_realtime(const char *name)
|
|
{
|
|
struct ast_variable *var;
|
|
struct ast_variable *v;
|
|
struct ast_config *cfg;
|
|
const char *catg;
|
|
struct call_followme *new_follower;
|
|
struct ast_str *str;
|
|
|
|
str = ast_str_create(16);
|
|
if (!str) {
|
|
return NULL;
|
|
}
|
|
|
|
var = ast_load_realtime("followme", "name", name, SENTINEL);
|
|
if (!var) {
|
|
ast_free(str);
|
|
return NULL;
|
|
}
|
|
|
|
if (!(new_follower = alloc_profile(name))) {
|
|
ast_variables_destroy(var);
|
|
ast_free(str);
|
|
return NULL;
|
|
}
|
|
init_profile(new_follower, 0);
|
|
|
|
for (v = var; v; v = v->next) {
|
|
if (!strcasecmp(v->name, "active")) {
|
|
if (ast_false(v->value)) {
|
|
ast_mutex_destroy(&new_follower->lock);
|
|
ast_free(new_follower);
|
|
ast_variables_destroy(var);
|
|
ast_free(str);
|
|
return NULL;
|
|
}
|
|
} else {
|
|
profile_set_param(new_follower, v->name, v->value, 0, 0);
|
|
}
|
|
}
|
|
|
|
ast_variables_destroy(var);
|
|
new_follower->realtime = 1;
|
|
|
|
/* Load numbers */
|
|
cfg = ast_load_realtime_multientry("followme_numbers", "ordinal LIKE", "%", "name",
|
|
name, SENTINEL);
|
|
if (!cfg) {
|
|
ast_mutex_destroy(&new_follower->lock);
|
|
ast_free(new_follower);
|
|
ast_free(str);
|
|
return NULL;
|
|
}
|
|
|
|
for (catg = ast_category_browse(cfg, NULL); catg; catg = ast_category_browse(cfg, catg)) {
|
|
const char *numstr;
|
|
const char *timeoutstr;
|
|
const char *ordstr;
|
|
int timeout;
|
|
struct number *cur;
|
|
|
|
if (!(numstr = ast_variable_retrieve(cfg, catg, "phonenumber"))) {
|
|
continue;
|
|
}
|
|
if (!(timeoutstr = ast_variable_retrieve(cfg, catg, "timeout"))
|
|
|| sscanf(timeoutstr, "%30d", &timeout) != 1
|
|
|| timeout < 1) {
|
|
timeout = 25;
|
|
}
|
|
/* This one has to exist; it was part of the query */
|
|
ordstr = ast_variable_retrieve(cfg, catg, "ordinal");
|
|
ast_str_set(&str, 0, "%s", numstr);
|
|
if ((cur = create_followme_number(ast_str_buffer(str), timeout, atoi(ordstr)))) {
|
|
AST_LIST_INSERT_TAIL(&new_follower->numbers, cur, entry);
|
|
}
|
|
}
|
|
ast_config_destroy(cfg);
|
|
|
|
ast_free(str);
|
|
return new_follower;
|
|
}
|
|
|
|
static void end_bridge_callback(void *data)
|
|
{
|
|
char buf[80];
|
|
time_t end;
|
|
struct ast_channel *chan = data;
|
|
|
|
time(&end);
|
|
|
|
ast_channel_lock(chan);
|
|
snprintf(buf, sizeof(buf), "%d", ast_channel_get_up_time(chan));
|
|
pbx_builtin_setvar_helper(chan, "ANSWEREDTIME", buf);
|
|
snprintf(buf, sizeof(buf), "%d", ast_channel_get_duration(chan));
|
|
pbx_builtin_setvar_helper(chan, "DIALEDTIME", buf);
|
|
ast_channel_unlock(chan);
|
|
}
|
|
|
|
static void end_bridge_callback_data_fixup(struct ast_bridge_config *bconfig, struct ast_channel *originator, struct ast_channel *terminator)
|
|
{
|
|
bconfig->end_bridge_callback_data = originator;
|
|
}
|
|
|
|
static int app_exec(struct ast_channel *chan, const char *data)
|
|
{
|
|
struct fm_args *targs;
|
|
struct ast_bridge_config config;
|
|
struct call_followme *f;
|
|
struct number *nm, *newnm;
|
|
int res = 0;
|
|
char *argstr;
|
|
struct ast_channel *caller;
|
|
struct ast_channel *outbound;
|
|
AST_DECLARE_APP_ARGS(args,
|
|
AST_APP_ARG(followmeid);
|
|
AST_APP_ARG(options);
|
|
);
|
|
char *opt_args[FOLLOWMEFLAG_ARG_ARRAY_SIZE];
|
|
int max_forwards;
|
|
|
|
if (ast_strlen_zero(data)) {
|
|
ast_log(LOG_WARNING, "%s requires an argument (followmeid)\n", app);
|
|
return -1;
|
|
}
|
|
|
|
ast_channel_lock(chan);
|
|
max_forwards = ast_max_forwards_get(chan);
|
|
ast_channel_unlock(chan);
|
|
|
|
if (max_forwards <= 0) {
|
|
ast_log(LOG_WARNING, "Unable to execute FollowMe on channel %s. Max forwards exceeded\n",
|
|
ast_channel_name(chan));
|
|
return -1;
|
|
}
|
|
|
|
argstr = ast_strdupa((char *) data);
|
|
|
|
AST_STANDARD_APP_ARGS(args, argstr);
|
|
|
|
if (ast_strlen_zero(args.followmeid)) {
|
|
ast_log(LOG_WARNING, "%s requires an argument (followmeid)\n", app);
|
|
return -1;
|
|
}
|
|
|
|
targs = ast_calloc(1, sizeof(*targs));
|
|
if (!targs) {
|
|
return -1;
|
|
}
|
|
|
|
AST_RWLIST_RDLOCK(&followmes);
|
|
AST_RWLIST_TRAVERSE(&followmes, f, entry) {
|
|
if (!strcasecmp(f->name, args.followmeid) && (f->active))
|
|
break;
|
|
}
|
|
AST_RWLIST_UNLOCK(&followmes);
|
|
|
|
ast_debug(1, "New profile %s.\n", args.followmeid);
|
|
|
|
if (!f) {
|
|
f = find_realtime(args.followmeid);
|
|
}
|
|
|
|
if (!f) {
|
|
ast_log(LOG_WARNING, "Profile requested, %s, not found in the configuration.\n", args.followmeid);
|
|
ast_free(targs);
|
|
return 0;
|
|
}
|
|
|
|
/* XXX TODO: Reinsert the db check value to see whether or not follow-me is on or off */
|
|
if (args.options) {
|
|
ast_app_parse_options(followme_opts, &targs->followmeflags, opt_args, args.options);
|
|
}
|
|
|
|
/* Lock the profile lock and copy out everything we need to run with before unlocking it again */
|
|
ast_mutex_lock(&f->lock);
|
|
targs->enable_callee_prompt = f->enable_callee_prompt;
|
|
targs->mohclass = ast_strdupa(f->moh);
|
|
ast_copy_string(targs->context, f->context, sizeof(targs->context));
|
|
ast_copy_string(targs->takecall, f->takecall, sizeof(targs->takecall));
|
|
ast_copy_string(targs->nextindp, f->nextindp, sizeof(targs->nextindp));
|
|
ast_copy_string(targs->callfromprompt, f->callfromprompt, sizeof(targs->callfromprompt));
|
|
ast_copy_string(targs->norecordingprompt, f->norecordingprompt, sizeof(targs->norecordingprompt));
|
|
ast_copy_string(targs->optionsprompt, f->optionsprompt, sizeof(targs->optionsprompt));
|
|
ast_copy_string(targs->plsholdprompt, f->plsholdprompt, sizeof(targs->plsholdprompt));
|
|
ast_copy_string(targs->statusprompt, f->statusprompt, sizeof(targs->statusprompt));
|
|
ast_copy_string(targs->sorryprompt, f->sorryprompt, sizeof(targs->sorryprompt));
|
|
ast_copy_string(targs->connprompt, f->connprompt, sizeof(targs->connprompt));
|
|
/* Copy the numbers we're going to use into another list in case the master list should get modified
|
|
(and locked) while we're trying to do a follow-me */
|
|
AST_LIST_HEAD_INIT_NOLOCK(&targs->cnumbers);
|
|
AST_LIST_TRAVERSE(&f->numbers, nm, entry) {
|
|
newnm = create_followme_number(nm->number, nm->timeout, nm->order);
|
|
if (newnm) {
|
|
AST_LIST_INSERT_TAIL(&targs->cnumbers, newnm, entry);
|
|
}
|
|
}
|
|
ast_mutex_unlock(&f->lock);
|
|
|
|
/* PREDIAL: Preprocess any callee gosub arguments. */
|
|
if (ast_test_flag(&targs->followmeflags, FOLLOWMEFLAG_PREDIAL_CALLEE)
|
|
&& !ast_strlen_zero(opt_args[FOLLOWMEFLAG_ARG_PREDIAL_CALLEE])) {
|
|
ast_replace_subargument_delimiter(opt_args[FOLLOWMEFLAG_ARG_PREDIAL_CALLEE]);
|
|
targs->predial_callee =
|
|
ast_app_expand_sub_args(chan, opt_args[FOLLOWMEFLAG_ARG_PREDIAL_CALLEE]);
|
|
}
|
|
|
|
/* PREDIAL: Run gosub on the caller's channel */
|
|
if (ast_test_flag(&targs->followmeflags, FOLLOWMEFLAG_PREDIAL_CALLER)
|
|
&& !ast_strlen_zero(opt_args[FOLLOWMEFLAG_ARG_PREDIAL_CALLER])) {
|
|
ast_replace_subargument_delimiter(opt_args[FOLLOWMEFLAG_ARG_PREDIAL_CALLER]);
|
|
ast_app_exec_sub(NULL, chan, opt_args[FOLLOWMEFLAG_ARG_PREDIAL_CALLER], 0);
|
|
}
|
|
|
|
/* Forget the 'N' option if the call is already up. */
|
|
if (ast_channel_state(chan) == AST_STATE_UP) {
|
|
ast_clear_flag(&targs->followmeflags, FOLLOWMEFLAG_NOANSWER);
|
|
}
|
|
|
|
if (ast_test_flag(&targs->followmeflags, FOLLOWMEFLAG_NOANSWER)) {
|
|
ast_indicate(chan, AST_CONTROL_RINGING);
|
|
} else {
|
|
/* Answer the call */
|
|
if (ast_channel_state(chan) != AST_STATE_UP) {
|
|
ast_answer(chan);
|
|
}
|
|
|
|
if (ast_test_flag(&targs->followmeflags, FOLLOWMEFLAG_STATUSMSG)) {
|
|
ast_stream_and_wait(chan, targs->statusprompt, "");
|
|
}
|
|
|
|
if (ast_test_flag(&targs->followmeflags, FOLLOWMEFLAG_RECORDNAME)) {
|
|
int duration = 5;
|
|
|
|
snprintf(targs->namerecloc, sizeof(targs->namerecloc), "%s/followme.%s",
|
|
ast_config_AST_SPOOL_DIR, ast_channel_uniqueid(chan));
|
|
if (ast_play_and_record(chan, "vm-rec-name", targs->namerecloc, 5, REC_FORMAT, &duration,
|
|
NULL, ast_dsp_get_threshold_from_settings(THRESHOLD_SILENCE), 0, NULL) < 0) {
|
|
goto outrun;
|
|
}
|
|
if (!ast_fileexists(targs->namerecloc, NULL, ast_channel_language(chan))) {
|
|
targs->namerecloc[0] = '\0';
|
|
}
|
|
}
|
|
|
|
if (!ast_test_flag(&targs->followmeflags, FOLLOWMEFLAG_DISABLEHOLDPROMPT)) {
|
|
if (ast_streamfile(chan, targs->plsholdprompt, ast_channel_language(chan))) {
|
|
goto outrun;
|
|
}
|
|
if (ast_waitstream(chan, "") < 0)
|
|
goto outrun;
|
|
}
|
|
ast_moh_start(chan, targs->mohclass, NULL);
|
|
}
|
|
|
|
ast_channel_lock(chan);
|
|
ast_connected_line_copy_from_caller(&targs->connected_in, ast_channel_caller(chan));
|
|
ast_channel_unlock(chan);
|
|
|
|
outbound = findmeexec(targs, chan);
|
|
if (!outbound) {
|
|
if (ast_test_flag(&targs->followmeflags, FOLLOWMEFLAG_NOANSWER)) {
|
|
if (ast_channel_state(chan) != AST_STATE_UP) {
|
|
ast_answer(chan);
|
|
}
|
|
} else {
|
|
ast_moh_stop(chan);
|
|
}
|
|
|
|
if (ast_test_flag(&targs->followmeflags, FOLLOWMEFLAG_UNREACHABLEMSG)) {
|
|
ast_stream_and_wait(chan, targs->sorryprompt, "");
|
|
}
|
|
res = 0;
|
|
} else {
|
|
caller = chan;
|
|
|
|
/* Play "connecting" message to the winner, if configured. */
|
|
if (!ast_strlen_zero(targs->connprompt)) {
|
|
ast_autoservice_start(caller);
|
|
ast_stream_and_wait(outbound, targs->connprompt, "");
|
|
ast_autoservice_stop(caller);
|
|
}
|
|
|
|
/* Bridge the two channels. */
|
|
|
|
memset(&config, 0, sizeof(config));
|
|
ast_set_flag(&(config.features_callee), AST_FEATURE_REDIRECT);
|
|
ast_set_flag(&(config.features_callee), AST_FEATURE_AUTOMON);
|
|
ast_set_flag(&(config.features_caller), AST_FEATURE_AUTOMON);
|
|
config.end_bridge_callback = end_bridge_callback;
|
|
config.end_bridge_callback_data = chan;
|
|
config.end_bridge_callback_data_fixup = end_bridge_callback_data_fixup;
|
|
|
|
/* Update connected line to caller if available. */
|
|
if (targs->pending_out_connected_update) {
|
|
if (ast_channel_connected_line_sub(outbound, caller, &targs->connected_out, 0)) {
|
|
ast_channel_update_connected_line(caller, &targs->connected_out, NULL);
|
|
}
|
|
}
|
|
|
|
if (ast_test_flag(&targs->followmeflags, FOLLOWMEFLAG_NOANSWER)) {
|
|
if (ast_channel_state(caller) != AST_STATE_UP) {
|
|
ast_answer(caller);
|
|
}
|
|
} else {
|
|
ast_moh_stop(caller);
|
|
}
|
|
|
|
/* Be sure no generators are left on it */
|
|
ast_deactivate_generator(caller);
|
|
/* Make sure channels are compatible */
|
|
res = ast_channel_make_compatible(caller, outbound);
|
|
if (res < 0) {
|
|
ast_log(LOG_WARNING, "Had to drop call because I couldn't make %s compatible with %s\n", ast_channel_name(caller), ast_channel_name(outbound));
|
|
ast_autoservice_chan_hangup_peer(caller, outbound);
|
|
goto outrun;
|
|
}
|
|
|
|
/* Update connected line to winner if changed. */
|
|
if (targs->pending_in_connected_update) {
|
|
if (ast_channel_connected_line_sub(caller, outbound, &targs->connected_in, 0)) {
|
|
ast_channel_update_connected_line(outbound, &targs->connected_in, NULL);
|
|
}
|
|
}
|
|
|
|
/* Put winner on hold if caller requested. */
|
|
if (targs->pending_hold) {
|
|
if (ast_strlen_zero(targs->suggested_moh)) {
|
|
ast_indicate_data(outbound, AST_CONTROL_HOLD, NULL, 0);
|
|
} else {
|
|
ast_indicate_data(outbound, AST_CONTROL_HOLD,
|
|
targs->suggested_moh, strlen(targs->suggested_moh) + 1);
|
|
}
|
|
}
|
|
|
|
res = ast_bridge_call(caller, outbound, &config);
|
|
}
|
|
|
|
outrun:
|
|
while ((nm = AST_LIST_REMOVE_HEAD(&targs->cnumbers, entry))) {
|
|
ast_free(nm);
|
|
}
|
|
if (!ast_strlen_zero(targs->namerecloc)) {
|
|
int ret;
|
|
char fn[PATH_MAX + sizeof(REC_FORMAT)];
|
|
|
|
snprintf(fn, sizeof(fn), "%s.%s", targs->namerecloc,
|
|
REC_FORMAT);
|
|
ret = unlink(fn);
|
|
if (ret != 0) {
|
|
ast_log(LOG_NOTICE, "Failed to delete recorded name file %s: %d (%s)\n",
|
|
fn, errno, strerror(errno));
|
|
} else {
|
|
ast_debug(2, "deleted recorded prompt %s.\n", fn);
|
|
}
|
|
}
|
|
ast_free((char *) targs->predial_callee);
|
|
ast_party_connected_line_free(&targs->connected_in);
|
|
ast_party_connected_line_free(&targs->connected_out);
|
|
ast_free(targs);
|
|
|
|
if (f->realtime) {
|
|
/* Not in list */
|
|
free_numbers(f);
|
|
ast_free(f);
|
|
}
|
|
|
|
return res;
|
|
}
|
|
|
|
static int unload_module(void)
|
|
{
|
|
struct call_followme *f;
|
|
|
|
ast_unregister_application(app);
|
|
|
|
/* Free Memory. Yeah! I'm free! */
|
|
AST_RWLIST_WRLOCK(&followmes);
|
|
while ((f = AST_RWLIST_REMOVE_HEAD(&followmes, entry))) {
|
|
free_numbers(f);
|
|
ast_free(f);
|
|
}
|
|
|
|
AST_RWLIST_UNLOCK(&followmes);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*!
|
|
* \brief Load the module
|
|
*
|
|
* Module loading including tests for configuration or dependencies.
|
|
* This function can return AST_MODULE_LOAD_FAILURE, AST_MODULE_LOAD_DECLINE,
|
|
* or AST_MODULE_LOAD_SUCCESS. If a dependency or environment variable fails
|
|
* tests return AST_MODULE_LOAD_FAILURE. If the module can not load the
|
|
* configuration file or other non-critical problem return
|
|
* AST_MODULE_LOAD_DECLINE. On success return AST_MODULE_LOAD_SUCCESS.
|
|
*/
|
|
static int load_module(void)
|
|
{
|
|
if(!reload_followme(0))
|
|
return AST_MODULE_LOAD_DECLINE;
|
|
|
|
return ast_register_application_xml(app, app_exec);
|
|
}
|
|
|
|
static int reload(void)
|
|
{
|
|
reload_followme(1);
|
|
|
|
return 0;
|
|
}
|
|
|
|
AST_MODULE_INFO(ASTERISK_GPL_KEY, AST_MODFLAG_DEFAULT, "Find-Me/Follow-Me Application",
|
|
.support_level = AST_MODULE_SUPPORT_CORE,
|
|
.load = load_module,
|
|
.unload = unload_module,
|
|
.reload = reload,
|
|
);
|