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destroyed() method instead of the destructor. git-svn-id: http://voip.null.ro/svn/yate@1357 acf43c95-373e-0410-b603-e72c3f656dc1
859 lines
20 KiB
C++
859 lines
20 KiB
C++
/**
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* tonegen.cpp
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* This file is part of the YATE Project http://YATE.null.ro
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*
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* Tones generator
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*
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* Yet Another Telephony Engine - a fully featured software PBX and IVR
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* Copyright (C) 2004-2006 Null Team
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include <yatephone.h>
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#include <string.h>
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#include <stdlib.h>
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#include <math.h>
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#ifndef M_PI
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#define M_PI 3.14159265358979323846
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#endif
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// 40ms silence, 120ms tone, 40ms silence, total 200ms - slow but safe
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#define DTMF_LEN 960
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#define DTMF_GAP 320
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using namespace TelEngine;
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namespace { // anonymous
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static ObjList tones;
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static ObjList datas;
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typedef struct {
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int nsamples;
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const short* data;
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} Tone;
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typedef struct {
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const Tone* tone;
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const char* name;
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const char* alias;
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} ToneDesc;
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class ToneData : public GenObject
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{
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public:
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ToneData(const char* desc);
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inline ToneData(int f1, int f2 = 0, bool modulated = false)
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: m_f1(f1), m_f2(f2), m_mod(modulated), m_data(0)
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{ }
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inline ToneData(const ToneData& original)
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: m_f1(original.f1()), m_f2(original.f2()),
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m_mod(original.modulated()), m_data(0)
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{ }
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virtual ~ToneData();
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inline int f1() const
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{ return m_f1; }
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inline int f2() const
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{ return m_f2; }
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inline bool modulated() const
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{ return m_mod; }
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inline bool valid() const
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{ return m_f1 != 0; }
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inline bool equals(int f1, int f2) const
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{ return (m_f1 == f1) && (m_f2 == f2); }
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inline bool equals(const ToneData& other) const
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{ return (m_f1 == other.f1()) && (m_f2 == other.f2()); }
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const short* data();
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static ToneData* getData(const char* desc);
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private:
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bool parse(const char* desc);
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int m_f1;
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int m_f2;
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bool m_mod;
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const short* m_data;
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};
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class ToneSource : public ThreadedSource
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{
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public:
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virtual void destroyed();
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virtual void run();
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inline const String& name()
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{ return m_name; }
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bool startup();
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static ToneSource* getTone(String& tone);
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static const ToneDesc* getBlock(String& tone);
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static Tone* buildCadence(const String& desc);
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static Tone* buildDtmf(const String& dtmf, int len = DTMF_LEN, int gap = DTMF_GAP);
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protected:
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ToneSource(const ToneDesc* tone = 0);
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virtual void zeroRefs();
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String m_name;
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const Tone* m_tone;
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int m_repeat;
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private:
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DataBlock m_data;
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unsigned m_brate;
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unsigned m_total;
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u_int64_t m_time;
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};
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class TempSource : public ToneSource
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{
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public:
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TempSource(String& desc);
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virtual ~TempSource();
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protected:
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virtual void cleanup();
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private:
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Tone* m_single;
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};
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class ToneChan : public Channel
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{
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public:
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ToneChan(String& tone);
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~ToneChan();
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};
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class AttachHandler : public MessageHandler
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{
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public:
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AttachHandler() : MessageHandler("chan.attach") { }
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virtual bool received(Message& msg);
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};
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class ToneGenDriver : public Driver
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{
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public:
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ToneGenDriver();
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~ToneGenDriver();
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virtual void initialize();
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virtual bool msgExecute(Message& msg, String& dest);
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protected:
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void statusModule(String& str);
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void statusParams(String& str);
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private:
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AttachHandler* m_handler;
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};
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INIT_PLUGIN(ToneGenDriver);
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// 421.052Hz (19 samples @ 8kHz) sine wave, pretty close to standard 425Hz
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static const short tone421hz[] = {
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19,
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3246, 6142, 8371, 9694, 9965, 9157, 7357, 4759, 1645,
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-1645, -4759, -7357, -9157, -9965, -9694, -8371, -6142, -3246,
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0 };
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// 1000Hz (8 samples @ 8kHz) standard digital milliwatt
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static const short tone1000hz[] = {
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8,
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8828, 20860, 20860, 8828,
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-8828, -20860, -20860, -8828
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};
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// 941.176Hz (2*8.5 samples @ 8kHz) sine wave, approximates 950Hz
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static const short tone941hz[] = {
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17,
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6736, 9957, 7980, 1838, -5623, -9617, -8952, -3614,
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3614, 8952, 9617, 5623, -1838, -7980, -9957, -6736,
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0 };
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// 1454.545Hz (2*5.5 samples @ 8kHz) sine wave, approximates 1400Hz
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static const short tone1454hz[] = {
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11,
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9096, 7557, -2816, -9898, -5407,
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5407, 9898, 2816, -7557, -9096,
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0 };
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// 1777.777Hz (2*4.5 samples @ 8kHz) sine wave, approximates 1800Hz
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static const short tone1777hz[] = {
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9,
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9848, 3420, -8659, -6429,
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6429, 8659, -3420, -9848,
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0 };
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static const Tone t_dial[] = { { 8000, tone421hz }, { 0, 0 } };
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static const Tone t_busy[] = { { 4000, tone421hz }, { 4000, 0 }, { 0, 0 } };
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static const Tone t_specdial[] = { { 7600, tone421hz }, { 400, 0 }, { 0, 0 } };
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static const Tone t_ring[] = { { 8000, tone421hz }, { 32000, 0 }, { 0, 0 } };
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static const Tone t_congestion[] = { { 2000, tone421hz }, { 2000, 0 }, { 0, 0 } };
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static const Tone t_outoforder[] = {
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{ 800, tone421hz }, { 800, 0 },
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{ 800, tone421hz }, { 800, 0 },
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{ 800, tone421hz }, { 800, 0 },
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{ 1600, tone421hz }, { 1600, 0 },
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{ 0, 0 } };
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static const Tone t_info[] = {
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{ 2640, tone941hz }, { 240, 0 },
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{ 2640, tone1454hz }, { 240, 0 },
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{ 2640, tone1777hz }, { 8000, 0 },
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{ 0, 0 } };
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static const Tone t_mwatt[] = { { 8000, tone1000hz }, { 0, 0 } };
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static const Tone t_silence[] = { { 8000, 0 }, { 0, 0 } };
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static const Tone t_noise[] = { { 2000, ToneData::getData("noise")->data() }, { 0, 0 } };
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#define MAKE_DTMF(s) { \
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{ DTMF_GAP, 0 }, \
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{ DTMF_LEN, ToneData::getData(s)->data() }, \
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{ DTMF_GAP, 0 }, \
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{ 0, 0 } \
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}
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static const Tone t_dtmf[][4] = {
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MAKE_DTMF("1336+941"),
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MAKE_DTMF("1209+697"),
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MAKE_DTMF("1336+697"),
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MAKE_DTMF("1477+697"),
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MAKE_DTMF("1209+770"),
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MAKE_DTMF("1336+770"),
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MAKE_DTMF("1477+770"),
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MAKE_DTMF("1209+852"),
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MAKE_DTMF("1336+852"),
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MAKE_DTMF("1477+852"),
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MAKE_DTMF("1209+941"),
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MAKE_DTMF("1477+941"),
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MAKE_DTMF("1633+697"),
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MAKE_DTMF("1633+770"),
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MAKE_DTMF("1633+852"),
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MAKE_DTMF("1633+941")
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};
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#undef MAKE_DTMF
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#define MAKE_PROBE(s) { \
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{ 8000, ToneData::getData(s)->data() }, \
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{ 0, 0 } \
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}
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static const Tone t_probes[][2] = {
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MAKE_PROBE("2000+125"),
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MAKE_PROBE("2000*125"),
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MAKE_PROBE("2000*1000"),
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};
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#undef MAKE_PROBE
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static const ToneDesc s_desc[] = {
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{ t_dial, "dial", "dt" },
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{ t_busy, "busy", "bs" },
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{ t_ring, "ring", "rt" },
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{ t_specdial, "specdial", "sd" },
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{ t_congestion, "congestion", "cg" },
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{ t_outoforder, "outoforder", "oo" },
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{ t_info, "info", "in" },
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{ t_mwatt, "milliwatt", "mw" },
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{ t_silence, "silence", 0 },
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{ t_noise, "noise", "cn" },
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{ t_dtmf[0], "dtmf/0", "0" },
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{ t_dtmf[1], "dtmf/1", "1" },
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{ t_dtmf[2], "dtmf/2", "2" },
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{ t_dtmf[3], "dtmf/3", "3" },
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{ t_dtmf[4], "dtmf/4", "4" },
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{ t_dtmf[5], "dtmf/5", "5" },
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{ t_dtmf[6], "dtmf/6", "6" },
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{ t_dtmf[7], "dtmf/7", "7" },
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{ t_dtmf[8], "dtmf/8", "8" },
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{ t_dtmf[9], "dtmf/9", "9" },
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{ t_dtmf[10], "dtmf/*", "*" },
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{ t_dtmf[11], "dtmf/#", "#" },
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{ t_dtmf[12], "dtmf/a", "a" },
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{ t_dtmf[13], "dtmf/b", "b" },
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{ t_dtmf[14], "dtmf/c", "c" },
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{ t_dtmf[15], "dtmf/d", "d" },
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{ t_probes[0], "probe/0", "probe" },
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{ t_probes[1], "probe/1", 0 },
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{ t_probes[2], "probe/2", 0 },
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{ 0, 0, 0 }
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};
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// This function is here mainly to avoid 64bit gcc b0rking optimizations
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static unsigned int byteRate(u_int64_t time, unsigned int bytes)
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{
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if (!(time && bytes))
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return 0;
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time = Time::now() - time;
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if (!time)
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return 0;
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return (unsigned int)((bytes*(u_int64_t)1000000 + time/2) / time);
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}
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ToneData::ToneData(const char* desc)
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: m_f1(0), m_f2(0), m_mod(false), m_data(0)
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{
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if (!parse(desc)) {
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Debug(&__plugin,DebugWarn,"Invalid tone description '%s'",desc);
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m_f1 = m_f2 = 0;
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m_mod = false;
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}
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}
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ToneData::~ToneData()
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{
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if (m_data) {
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::free((void*)m_data);
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m_data = 0;
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}
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}
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// a tone data description is something like "425" or "350+440" or "15*2100"
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bool ToneData::parse(const char* desc)
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{
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if (!desc)
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return false;
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String tmp(desc);
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if (tmp == "noise") {
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m_f1 = -10;
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return true;
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}
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tmp >> m_f1;
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if (!m_f1)
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return false;
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if (m_f1 < -15)
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m_f1 = -15;
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if (tmp) {
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char sep;
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tmp >> sep;
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switch (sep) {
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case '+':
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break;
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case '*':
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m_mod = true;
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break;
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default:
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return false;
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}
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tmp >> m_f2;
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if (!m_f2)
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return false;
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// order components so we can compare correctly
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if (m_f1 < m_f2) {
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int t = m_f1;
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m_f1 = m_f2;
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m_f2 = t;
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}
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}
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return true;
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}
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const short* ToneData::data()
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{
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if (m_f1 && !m_data) {
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// generate the data on first call
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short len = 8000;
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if (m_f1 < 0) {
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Debug(&__plugin,DebugAll,"Building comfort noise at level %d",m_f1);
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// we don't need much memory for noise...
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len /= 8;
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}
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else if (m_f2)
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Debug(&__plugin,DebugAll,"Building tone of %d %s %d Hz",
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m_f1,(m_mod ? "modulated by" : "+"),m_f2);
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else {
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Debug(&__plugin,DebugAll,"Building tone of %d Hz",m_f1);
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// half the buffer for even frequencies
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if ((m_f1 & 1) == 0)
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len /= 2;
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}
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short* dat = (short*)::malloc((len+1)*sizeof(short));
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if (!dat) {
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Debug(&__plugin,DebugGoOn,"ToneData::data() cold not allocate memory for %d elements",len);
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return 0;
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}
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short* tmp = dat;
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*tmp++ = len;
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if (m_f1 < 0) {
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int ofs = 65535 >> (-m_f1);
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int max = 2 * ofs + 1;
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for (int x = 0; x < len; x++)
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*tmp++ = (short)((::random() % max) - ofs);
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}
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else {
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double samp = 2*M_PI/8000;
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for (int x = 0; x < len; x++) {
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double y = ::sin(x*samp*m_f1);
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if (m_f2) {
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double z = ::sin(x*samp*m_f2);
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if (m_mod)
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y *= (1+0.5*z);
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else
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y += z;
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}
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*tmp++ = (short)(y*5000);
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}
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}
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m_data = dat;
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}
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return m_data;
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}
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ToneData* ToneData::getData(const char* desc)
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{
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ToneData td(desc);
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if (!td.valid())
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return 0;
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ObjList* l = &datas;
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for (; l; l = l->next()) {
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ToneData* d = static_cast<ToneData*>(l->get());
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if (d && d->equals(td))
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return d;
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}
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ToneData* d = new ToneData(td);
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datas.append(d);
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return d;
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}
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ToneSource::ToneSource(const ToneDesc* tone)
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: m_tone(0), m_repeat(tone == 0),
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m_data(0,320), m_brate(16000), m_total(0), m_time(0)
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{
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if (tone) {
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m_tone = tone->tone;
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m_name = tone->name;
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}
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Debug(&__plugin,DebugAll,"ToneSource::ToneSource(%p) '%s' [%p]",
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tone,m_name.c_str(),this);
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asyncDelete(true);
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}
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void ToneSource::destroyed()
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{
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Debug(&__plugin,DebugAll,"ToneSource::destroyed() '%s' [%p] total=%u stamp=%lu",
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m_name.c_str(),this,m_total,timeStamp());
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ThreadedSource::destroyed();
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if (m_time)
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Debug(&__plugin,DebugInfo,"ToneSource rate=%u b/s",byteRate(m_time,m_total));
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}
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void ToneSource::zeroRefs()
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{
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Debug(&__plugin,DebugAll,"ToneSource::zeroRefs() '%s' [%p]",m_name.c_str(),this);
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__plugin.lock();
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tones.remove(this,false);
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__plugin.unlock();
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ThreadedSource::zeroRefs();
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}
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bool ToneSource::startup()
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{
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return m_tone && start("ToneSource");
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}
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const ToneDesc* ToneSource::getBlock(String& tone)
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{
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if (tone.trimBlanks().toLower().null())
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return 0;
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const ToneDesc* d = s_desc;
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for (; d->tone; d++) {
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if (tone == d->name)
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return d;
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if (d->alias && (tone == d->alias)) {
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tone = d->name;
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return d;
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}
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}
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return 0;
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}
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// Build an user defined cadence
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Tone* ToneSource::buildCadence(const String& desc)
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{
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// TBD
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return 0;
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}
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// Build a cadence out of DTMFs
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Tone* ToneSource::buildDtmf(const String& dtmf, int len, int gap)
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{
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if (dtmf.null())
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return 0;
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Tone* tmp = (Tone*)::malloc(2*sizeof(Tone)*(dtmf.length()+1));
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if (!tmp)
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return 0;
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Tone* t = tmp;
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for (unsigned int i = 0; i < dtmf.length(); i++) {
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t->nsamples = gap;
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t->data = 0;
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t++;
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int c = dtmf.at(i);
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if ((c >= '0') && (c <= '9'))
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c -= '0';
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else if (c == '*')
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c = 10;
|
|
else if (c == '#')
|
|
c = 11;
|
|
else if ((c >= 'a') && (c <= 'd'))
|
|
c -= ('a' - 12);
|
|
else c = -1;
|
|
|
|
t->nsamples = len;
|
|
t->data = ((c >= 0) && (c < 16)) ? t_dtmf[c][1].data : 0;
|
|
t++;
|
|
}
|
|
|
|
t->nsamples = gap;
|
|
t->data = 0;
|
|
t++;
|
|
t->nsamples = 0;
|
|
t->data = 0;
|
|
|
|
return tmp;
|
|
}
|
|
|
|
ToneSource* ToneSource::getTone(String& tone)
|
|
{
|
|
const ToneDesc* td = ToneSource::getBlock(tone);
|
|
// tone name is now canonical
|
|
ObjList* l = &tones;
|
|
for (; l; l = l->next()) {
|
|
ToneSource* t = static_cast<ToneSource*>(l->get());
|
|
if (t && (t->name() == tone) && t->ref())
|
|
return t;
|
|
}
|
|
ToneSource* t = new ToneSource(td);
|
|
tones.append(t);
|
|
t->startup();
|
|
return t;
|
|
}
|
|
|
|
void ToneSource::run()
|
|
{
|
|
Debug(&__plugin,DebugAll,"ToneSource::run() [%p]",this);
|
|
u_int64_t tpos = Time::now();
|
|
m_time = tpos;
|
|
int samp = 0; // sample number
|
|
int dpos = 1; // position in data
|
|
const Tone* tone = m_tone;
|
|
int nsam = tone->nsamples;
|
|
if (nsam < 0)
|
|
nsam = -nsam;
|
|
while (alive() && m_tone) {
|
|
Thread::check();
|
|
short *d = (short *) m_data.data();
|
|
for (unsigned int i = m_data.length()/2; i--; samp++,dpos++) {
|
|
if (samp >= nsam) {
|
|
// go to the start of the next tone
|
|
samp = 0;
|
|
const Tone *otone = tone;
|
|
tone++;
|
|
if (!tone->nsamples) {
|
|
if ((m_repeat > 0) && !(--m_repeat))
|
|
m_tone = 0;
|
|
tone = m_tone;
|
|
}
|
|
nsam = tone ? tone->nsamples : 32000;
|
|
if (nsam < 0) {
|
|
nsam = -nsam;
|
|
// reset repeat point here
|
|
m_tone = tone;
|
|
}
|
|
if (tone != otone)
|
|
dpos = 1;
|
|
}
|
|
if (tone && tone->data) {
|
|
if (dpos > tone->data[0])
|
|
dpos = 1;
|
|
*d++ = tone->data[dpos];
|
|
}
|
|
else
|
|
*d++ = 0;
|
|
}
|
|
int64_t dly = tpos - Time::now();
|
|
if (dly > 0) {
|
|
XDebug(&__plugin,DebugAll,"ToneSource sleeping for " FMT64 " usec",dly);
|
|
Thread::usleep((unsigned long)dly);
|
|
}
|
|
Forward(m_data,m_total/2);
|
|
m_total += m_data.length();
|
|
tpos += (m_data.length()*(u_int64_t)1000000/m_brate);
|
|
}
|
|
Debug(&__plugin,DebugAll,"ToneSource [%p] end, total=%u (%u b/s)",
|
|
this,m_total,byteRate(m_time,m_total));
|
|
m_time = 0;
|
|
}
|
|
|
|
|
|
TempSource::TempSource(String& desc)
|
|
: m_single(0)
|
|
{
|
|
Debug(&__plugin,DebugAll,"TempSource::TempSource(\"%s\") [%p]",desc.c_str(),this);
|
|
if (desc.null())
|
|
return;
|
|
if (desc.startSkip("*",false))
|
|
m_repeat = 0;
|
|
// try first the named tones
|
|
const ToneDesc* tde = getBlock(desc);
|
|
if (tde) {
|
|
m_tone = tde->tone;
|
|
return;
|
|
}
|
|
// for performance reason accept an entire string of DTMFs
|
|
if (desc.startSkip("dtmfstr/",false)) {
|
|
m_tone = m_single = buildDtmf(desc);
|
|
return;
|
|
}
|
|
// or an entire user defined cadence of tones
|
|
if (desc.startSkip("cadence/",false)) {
|
|
m_tone = m_single = buildCadence(desc);
|
|
return;
|
|
}
|
|
// now try to build a single tone
|
|
ToneData* td = ToneData::getData(desc);
|
|
if (!td)
|
|
return;
|
|
m_single = (Tone*)::malloc(2*sizeof(Tone));
|
|
m_single[0].nsamples = 8000;
|
|
m_single[0].data = td->data();
|
|
m_single[1].nsamples = 0;
|
|
m_single[1].data = 0;
|
|
m_tone = m_single;
|
|
}
|
|
|
|
TempSource::~TempSource()
|
|
{
|
|
Debug(&__plugin,DebugAll,"TempSource::~TempSource() [%p]",this);
|
|
if (m_single) {
|
|
::free(m_single);
|
|
m_single = 0;
|
|
}
|
|
}
|
|
|
|
void TempSource::cleanup()
|
|
{
|
|
ToneSource::cleanup();
|
|
deref();
|
|
}
|
|
|
|
|
|
ToneChan::ToneChan(String& tone)
|
|
: Channel(__plugin)
|
|
{
|
|
Debug(this,DebugAll,"ToneChan::ToneChan(\"%s\") [%p]",tone.c_str(),this);
|
|
// protect the list while the new tone source is added to it
|
|
__plugin.lock();
|
|
ToneSource* t = ToneSource::getTone(tone);
|
|
__plugin.unlock();
|
|
if (t) {
|
|
setSource(t);
|
|
m_address = t->name();
|
|
t->deref();
|
|
}
|
|
else
|
|
Debug(DebugWarn,"No source tone '%s' in ToneChan [%p]",tone.c_str(),this);
|
|
}
|
|
|
|
ToneChan::~ToneChan()
|
|
{
|
|
Debug(this,DebugAll,"ToneChan::~ToneChan() %s [%p]",id().c_str(),this);
|
|
}
|
|
|
|
|
|
bool AttachHandler::received(Message& msg)
|
|
{
|
|
String src(msg.getValue("source"));
|
|
if (!src.startSkip("tone/",false))
|
|
src.clear();
|
|
String ovr(msg.getValue("override"));
|
|
if (!ovr.startSkip("tone/",false))
|
|
ovr.clear();
|
|
String repl(msg.getValue("replace"));
|
|
if (!repl.startSkip("tone/",false))
|
|
repl.clear();
|
|
if (src.null() && ovr.null() && repl.null())
|
|
return false;
|
|
|
|
DataEndpoint* de = static_cast<DataEndpoint*>(msg.userObject("DataEndpoint"));
|
|
if (!de) {
|
|
CallEndpoint* ch = static_cast<CallEndpoint*>(msg.userObject("CallEndpoint"));
|
|
if (ch)
|
|
de = ch->setEndpoint();
|
|
}
|
|
|
|
if (!de) {
|
|
Debug(DebugWarn,"Tone attach request with no control or data channel!");
|
|
return false;
|
|
}
|
|
|
|
// if single attach was requested we can return true if everything is ok
|
|
bool ret = msg.getBoolValue("single");
|
|
|
|
Lock lock(__plugin);
|
|
if (src) {
|
|
ToneSource* t = ToneSource::getTone(src);
|
|
if (t) {
|
|
de->setSource(t);
|
|
t->deref();
|
|
msg.clearParam("source");
|
|
}
|
|
else {
|
|
Debug(DebugWarn,"No source tone '%s' could be attached to %p",src.c_str(),de);
|
|
ret = false;
|
|
}
|
|
}
|
|
if (ovr) {
|
|
DataConsumer* c = de->getConsumer();
|
|
if (c) {
|
|
TempSource* t = new TempSource(ovr);
|
|
if (DataTranslator::attachChain(t,c,true) && t->startup())
|
|
msg.clearParam("override");
|
|
else {
|
|
Debug(DebugWarn,"Override source tone '%s' failed to start [%p]",ovr.c_str(),t);
|
|
ret = false;
|
|
}
|
|
}
|
|
else {
|
|
Debug(DebugWarn,"Requested override '%s' to missing consumer of %p",ovr.c_str(),de);
|
|
ret = false;
|
|
}
|
|
}
|
|
if (repl) {
|
|
DataConsumer* c = de->getConsumer();
|
|
if (c) {
|
|
TempSource* t = new TempSource(repl);
|
|
if (DataTranslator::attachChain(t,c,false) && t->startup())
|
|
msg.clearParam("replace");
|
|
else {
|
|
Debug(DebugWarn,"Replacement source tone '%s' failed to start [%p]",repl.c_str(),t);
|
|
ret = false;
|
|
}
|
|
}
|
|
else {
|
|
Debug(DebugWarn,"Requested replacement '%s' to missing consumer of %p",repl.c_str(),de);
|
|
ret = false;
|
|
}
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
|
|
bool ToneGenDriver::msgExecute(Message& msg, String& dest)
|
|
{
|
|
CallEndpoint* ch = static_cast<CallEndpoint*>(msg.userData());
|
|
if (ch) {
|
|
ToneChan *tc = new ToneChan(dest);
|
|
if (ch->connect(tc,msg.getValue("reason"))) {
|
|
msg.setParam("peerid",tc->id());
|
|
tc->deref();
|
|
}
|
|
else {
|
|
tc->destruct();
|
|
return false;
|
|
}
|
|
}
|
|
else {
|
|
Message m("call.route");
|
|
m.addParam("module",name());
|
|
m.copyParam(msg,"called");
|
|
m.copyParam(msg,"caller");
|
|
m.copyParam(msg,"callername");
|
|
String callto(msg.getValue("direct"));
|
|
if (callto.null()) {
|
|
const char *targ = msg.getValue("target");
|
|
if (!targ)
|
|
targ = msg.getValue("called");
|
|
if (!targ) {
|
|
Debug(DebugWarn,"Tone outgoing call with no target!");
|
|
return false;
|
|
}
|
|
callto = msg.getValue("caller");
|
|
if (callto.null())
|
|
callto << prefix() << dest;
|
|
m.setParam("called",targ);
|
|
m.setParam("caller",callto);
|
|
if ((!Engine::dispatch(m)) || m.retValue().null() || (m.retValue() == "-")) {
|
|
Debug(DebugWarn,"Tone outgoing call but no route!");
|
|
return false;
|
|
}
|
|
callto = m.retValue();
|
|
m.retValue().clear();
|
|
}
|
|
m = "call.execute";
|
|
m.setParam("callto",callto);
|
|
ToneChan *tc = new ToneChan(dest);
|
|
m.setParam("id",tc->id());
|
|
m.userData(tc);
|
|
if (Engine::dispatch(m)) {
|
|
msg.setParam("id",tc->id());
|
|
tc->deref();
|
|
return true;
|
|
}
|
|
Debug(DebugWarn,"Tone outgoing call not accepted!");
|
|
tc->destruct();
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
void ToneGenDriver::statusModule(String& str)
|
|
{
|
|
Module::statusModule(str);
|
|
}
|
|
|
|
void ToneGenDriver::statusParams(String& str)
|
|
{
|
|
str << "tones=" << tones.count() << ",chans=" << channels().count();
|
|
}
|
|
|
|
ToneGenDriver::ToneGenDriver()
|
|
: Driver("tone","misc"), m_handler(0)
|
|
{
|
|
Output("Loaded module ToneGen");
|
|
}
|
|
|
|
ToneGenDriver::~ToneGenDriver()
|
|
{
|
|
Output("Unloading module ToneGen");
|
|
ObjList* l = &channels();
|
|
while (l) {
|
|
ToneChan* t = static_cast<ToneChan *>(l->get());
|
|
if (t)
|
|
t->disconnect("shutdown");
|
|
if (l->get() == t)
|
|
l = l->next();
|
|
}
|
|
lock();
|
|
channels().clear();
|
|
tones.clear();
|
|
unlock();
|
|
}
|
|
|
|
void ToneGenDriver::initialize()
|
|
{
|
|
Output("Initializing module ToneGen");
|
|
setup(0,true); // no need to install notifications
|
|
Driver::initialize();
|
|
if (!m_handler) {
|
|
m_handler = new AttachHandler;
|
|
Engine::install(m_handler);
|
|
installRelay(Halt);
|
|
}
|
|
}
|
|
|
|
}; // anonymous namespace
|
|
|
|
/* vi: set ts=8 sw=4 sts=4 noet: */
|