yate/modules/wavefile.cpp

1230 lines
31 KiB
C++

/**
* wavefile.cpp
* This file is part of the YATE Project http://YATE.null.ro
*
* Wave file driver (record+playback)
*
* Yet Another Telephony Engine - a fully featured software PBX and IVR
* Copyright (C) 2004-2014 Null Team
*
* This software is distributed under multiple licenses;
* see the COPYING file in the main directory for licensing
* information for this specific distribution.
*
* This use of this software may be subject to additional restrictions.
* See the LEGAL file in the main directory for details.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*/
#include <yatephone.h>
#include <string.h>
using namespace TelEngine;
namespace { // anonymous
class WaveSource : public ThreadedSource
{
public:
static WaveSource* create(const String& file, CallEndpoint* chan,
bool autoclose, bool autorepeat, const NamedString* param);
~WaveSource();
virtual void run();
virtual void cleanup();
virtual void attached(bool added);
void setNotify(const String& id);
private:
WaveSource(const char* file, CallEndpoint* chan, bool autoclose);
void init(const String& file, bool autorepeat);
void detectAuFormat();
void detectWavFormat();
void detectIlbcFormat();
bool computeDataRate();
void notify(WaveSource* source, const char* reason = 0);
CallEndpoint* m_chan;
Stream* m_stream;
DataBlock m_data;
bool m_swap;
unsigned m_rate;
unsigned m_brate;
int64_t m_repeatPos;
unsigned m_total;
u_int64_t m_time;
String m_id;
bool m_autoclose;
bool m_nodata;
};
class WaveConsumer : public DataConsumer
{
public:
enum Header {
None = 0,
Au,
Ilbc,
};
WaveConsumer(const String& file, CallEndpoint* chan, unsigned maxlen,
const char* format, bool append, const NamedString* param);
~WaveConsumer();
virtual bool setFormat(const DataFormat& format);
virtual unsigned long Consume(const DataBlock& data, unsigned long tStamp, unsigned long flags);
virtual void attached(bool added);
inline void setNotify(const String& id)
{ m_id = id; }
private:
void writeIlbcHeader() const;
void writeAuHeader();
CallEndpoint* m_chan;
Stream* m_stream;
bool m_swap;
bool m_locked;
bool m_created;
Header m_header;
unsigned m_total;
unsigned m_maxlen;
u_int64_t m_time;
String m_id;
};
class WaveChan : public Channel
{
public:
WaveChan(const String& file, bool record, unsigned maxlen, const NamedList& msg, const NamedString* param = 0);
~WaveChan();
bool attachSource(const char* source);
bool attachConsumer(const char* consumer);
};
class Disconnector : public Thread
{
public:
Disconnector(CallEndpoint* chan, const String& id, WaveSource* source, WaveConsumer* consumer, bool disc, const char* reason = 0);
virtual ~Disconnector();
virtual void run();
bool init();
private:
RefPointer<CallEndpoint> m_chan;
Message* m_msg;
WaveSource* m_source;
WaveConsumer* m_consumer;
bool m_disc;
};
class AttachHandler;
class WaveFileDriver : public Driver
{
public:
WaveFileDriver();
virtual void initialize();
virtual bool msgExecute(Message& msg, String& dest);
protected:
void statusParams(String& str);
private:
AttachHandler* m_handler;
};
Mutex s_statsMutex(false,"WaveFile::stats");
Mutex s_srcMutex(false,"WaveFile::src");
Mutex s_consMutex(false,"WaveFile::cons");
int s_reading = 0;
int s_writing = 0;
bool s_dataPadding = true;
bool s_pubReadable = false;
INIT_PLUGIN(WaveFileDriver);
class AttachHandler : public MessageHandler
{
public:
AttachHandler()
: MessageHandler("chan.attach",100,__plugin.name())
{ }
virtual bool received(Message &msg);
};
class RecordHandler : public MessageHandler
{
public:
RecordHandler()
: MessageHandler("chan.record",100,__plugin.name())
{ }
virtual bool received(Message &msg);
};
typedef struct {
uint32_t sign;
uint32_t offs;
uint32_t len;
uint32_t form;
uint32_t freq;
uint32_t chan;
} AuHeader;
#define ILBC_HEADER_LEN 9
static const char* ilbcFormat(Stream& stream)
{
char header[ILBC_HEADER_LEN+1];
if (stream.readData(&header,ILBC_HEADER_LEN) == ILBC_HEADER_LEN) {
header[ILBC_HEADER_LEN] = '\0';
if (::strcmp(header,"#!iLBC20\n") == 0)
return "ilbc20";
else if (::strcmp(header,"#!iLBC30\n") == 0)
return "ilbc30";
}
return 0;
}
WaveSource* WaveSource::create(const String& file, CallEndpoint* chan, bool autoclose, bool autorepeat, const NamedString* param)
{
WaveSource* tmp = new WaveSource(file,chan,autoclose);
NamedPointer* ptr = YOBJECT(NamedPointer,param);
if (ptr) {
Stream* stream = YOBJECT(Stream,ptr);
if (stream) {
DDebug(&__plugin,DebugInfo,"WaveSource using Stream %p [%p]",stream,tmp);
tmp->m_stream = stream;
ptr->takeData();
}
else {
DataBlock* data = YOBJECT(DataBlock,ptr);
if (data) {
DDebug(&__plugin,DebugInfo,"WaveSource using DataBlock %p len=%u [%p]",
data,data->length(),tmp);
tmp->m_stream = new MemoryStream(*data);
}
}
}
tmp->init(file,autorepeat);
return tmp;
}
void WaveSource::init(const String& file, bool autorepeat)
{
if (!m_stream) {
if (file == "-") {
m_nodata = true;
m_rate = 8000;
m_brate = 8000;
start("Wave Source");
return;
}
m_stream = new File;
if (!static_cast<File*>(m_stream)->openPath(file,false,true,false,false,true)) {
Debug(DebugWarn,"Opening '%s': error %d: %s",
file.c_str(), m_stream->error(), ::strerror(m_stream->error()));
delete m_stream;
m_stream = 0;
m_format.clear();
notify(this,"error");
return;
}
}
if (file.endsWith(".gsm"))
m_format = "gsm";
else if (file.endsWith(".alaw") || file.endsWith(".A"))
m_format = "alaw";
else if (file.endsWith(".mulaw") || file.endsWith(".u"))
m_format = "mulaw";
else if (file.endsWith(".2slin"))
m_format = "2*slin";
else if (file.endsWith(".2alaw"))
m_format = "2*alaw";
else if (file.endsWith(".2mulaw"))
m_format = "2*mulaw";
else if (file.endsWith(".ilbc20"))
m_format = "ilbc20";
else if (file.endsWith(".ilbc30"))
m_format = "ilbc30";
else if (file.endsWith(".g729"))
m_format = "g729";
else if (file.endsWith(".au"))
detectAuFormat();
else if (file.endsWith(".wav"))
detectWavFormat();
else if (file.endsWith(".lbc"))
detectIlbcFormat();
else if (!file.endsWith(".slin"))
Debug(DebugMild,"Unknown format for playback file '%s', assuming signed linear",file.c_str());
if (computeDataRate()) {
if (autorepeat)
m_repeatPos = m_stream->seek(Stream::SeekCurrent);
start("Wave Source");
}
else {
Debug(DebugWarn,"Unable to compute data rate for file '%s'",file.c_str());
notify(this,"error");
}
}
WaveSource::WaveSource(const char* file, CallEndpoint* chan, bool autoclose)
: m_chan(chan), m_stream(0), m_swap(false), m_rate(8000), m_brate(0), m_repeatPos(-1),
m_total(0), m_time(0), m_autoclose(autoclose),
m_nodata(false)
{
Debug(&__plugin,DebugAll,"WaveSource::WaveSource(\"%s\",%p) [%p]",file,chan,this);
s_statsMutex.lock();
s_reading++;
s_statsMutex.unlock();
}
WaveSource::~WaveSource()
{
Debug(&__plugin,DebugAll,"WaveSource::~WaveSource() [%p] total=%u stamp=%lu",this,m_total,timeStamp());
stop();
if (m_time) {
m_time = Time::now() - m_time;
if (m_time) {
m_time = (m_total*(u_int64_t)1000000 + m_time/2) / m_time;
Debug(&__plugin,DebugInfo,"WaveSource rate=" FMT64U " b/s",m_time);
}
}
delete m_stream;
m_stream = 0;
s_statsMutex.lock();
s_reading--;
s_statsMutex.unlock();
}
void WaveSource::detectAuFormat()
{
AuHeader header;
if ((m_stream->readData(&header,sizeof(header)) != sizeof(header)) ||
(ntohl(header.sign) != 0x2E736E64)) {
Debug(DebugMild,"Invalid .au file header, assuming raw signed linear");
m_stream->seek(0);
return;
}
m_stream->seek(ntohl(header.offs));
int samp = ntohl(header.freq);
int chan = ntohl(header.chan);
m_rate = samp;
m_brate = samp;
switch (ntohl(header.form)) {
case 1:
m_format = "mulaw";
break;
case 27:
m_format = "alaw";
break;
case 3:
m_brate *= 2;
m_swap = true;
break;
default:
Debug(DebugMild,"Unknown .au format 0x%0X, assuming signed linear",ntohl(header.form));
}
if (samp != 8000)
m_format << "/" << samp;
if (chan > 1) {
m_format = String(chan) + "*" + m_format;
m_brate *= chan;
}
}
void WaveSource::detectWavFormat()
{
Debug(DebugMild,".wav not supported yet, assuming raw signed linear");
}
void WaveSource::detectIlbcFormat()
{
const char* fmt = ilbcFormat(*m_stream);
if (fmt) {
m_format = fmt;
return;
}
Debug(DebugMild,"Invalid iLBC file, assuming raw signed linear");
m_stream->seek(0);
}
bool WaveSource::computeDataRate()
{
if (m_brate)
return true;
const FormatInfo* info = m_format.getInfo();
if (!info)
return false;
m_rate = info->sampleRate;
m_brate = info->dataRate();
return (m_brate != 0);
}
void WaveSource::run()
{
unsigned long ts = 0;
int r = 0;
// internally reference if used for override or replace purpose
bool noChan = (0 == m_chan);
// wait until at least one consumer is attached
unsigned int fast = 4;
while (!r) {
lock();
r = m_consumers.count();
unlock();
if (r)
;
else if (fast) {
--fast;
Thread::yield();
}
else
Thread::idle();
if (!looping(noChan)) {
notify(0,"replaced");
return;
}
}
unsigned int blen = (m_brate*20)/1000;
DDebug(&__plugin,DebugAll,"Consumer found, starting to play data with rate %d [%p]",m_brate,this);
m_data.assign(0,blen);
u_int64_t tpos = 0;
m_time = tpos;
while ((r > 0) && looping(noChan)) {
r = m_stream ? m_stream->readData(m_data.data(),m_data.length()) : m_data.length();
if (r < 0) {
if (m_stream->canRetry()) {
if (looping(noChan)) {
r = 1;
continue;
}
r = 0;
}
break;
}
// start counting time after the first successful read
if (!tpos)
m_time = tpos = Time::now();
if (!r) {
if (m_repeatPos >= 0) {
DDebug(&__plugin,DebugAll,"Autorepeating from offset " FMT64 " [%p]",
m_repeatPos,this);
m_stream->seek(m_repeatPos);
m_data.assign(0,blen);
r = 1;
continue;
}
break;
}
if (r < (int)m_data.length()) {
// if desired and possible extend last byte to fill buffer
if (s_dataPadding && ((m_format == "mulaw") || (m_format == "alaw"))) {
unsigned char* d = (unsigned char*)m_data.data();
unsigned char last = d[r-1];
while (r < (int)m_data.length())
d[r++] = last;
}
else
m_data.assign(m_data.data(),r);
}
if (m_swap) {
uint16_t* p = (uint16_t*)m_data.data();
for (int i = 0; i < r; i+= 2) {
*p = ntohs(*p);
++p;
}
}
int64_t dly = tpos - Time::now();
if (dly > 0) {
XDebug(&__plugin,DebugAll,"WaveSource sleeping for " FMT64 " usec",dly);
Thread::usleep((unsigned long)dly);
}
if (!looping(noChan))
break;
Forward(m_data,ts);
ts += m_data.length()*m_rate/m_brate;
m_total += r;
tpos += (r*(u_int64_t)1000000/m_brate);
}
if (r)
notify(0,"replaced");
else {
Debug(&__plugin,DebugAll,"WaveSource '%s' end of data (%u played) chan=%p [%p]",
m_id.c_str(),m_total,m_chan,this);
notify(this,"eof");
}
}
void WaveSource::cleanup()
{
RefPointer<CallEndpoint> chan;
if (m_chan) {
s_srcMutex.lock();
chan = m_chan;
m_chan = 0;
s_srcMutex.unlock();
}
Debug(&__plugin,DebugAll,"WaveSource cleanup, total=%u, chan=%p [%p]",
m_total,(void*)chan,this);
if (chan)
chan->clearData(this);
ThreadedSource::cleanup();
}
void WaveSource::attached(bool added)
{
if (!added && m_chan && !m_chan->alive()) {
DDebug(&__plugin,DebugInfo,"WaveSource clearing dead chan %p [%p]",m_chan,this);
m_chan = 0;
}
}
void WaveSource::setNotify(const String& id)
{
m_id = id;
if (!(m_stream || m_nodata))
notify(this);
}
void WaveSource::notify(WaveSource* source, const char* reason)
{
RefPointer<CallEndpoint> chan;
if (m_chan) {
s_srcMutex.lock();
if (source)
chan = m_chan;
m_chan = 0;
s_srcMutex.unlock();
}
if (!chan) {
if (m_id) {
DDebug(&__plugin,DebugAll,"WaveSource enqueueing notify message [%p]",this);
Message* m = new Message("chan.notify");
m->addParam("targetid",m_id);
if (reason)
m->addParam("reason",reason);
Engine::enqueue(m);
}
}
else if (m_id || m_autoclose) {
DDebug(&__plugin,DebugInfo,"Preparing '%s' disconnector for '%s' chan %p '%s' source=%p [%p]",
reason,m_id.c_str(),(void*)chan,chan->id().c_str(),source,this);
Disconnector *disc = new Disconnector(chan,m_id,source,0,m_autoclose,reason);
if (!disc->init() && m_autoclose)
chan->clearData(source);
}
stop();
}
WaveConsumer::WaveConsumer(const String& file, CallEndpoint* chan, unsigned maxlen,
const char* format, bool append, const NamedString* param)
: m_chan(chan), m_stream(0), m_swap(false), m_locked(false), m_created(true), m_header(None),
m_total(0), m_maxlen(maxlen), m_time(0)
{
Debug(&__plugin,DebugAll,"WaveConsumer::WaveConsumer(\"%s\",%p,%u,\"%s\",%s,%p) [%p]",
file.c_str(),chan,maxlen,format,String::boolText(append),param,this);
s_statsMutex.lock();
s_writing++;
s_statsMutex.unlock();
if (format) {
m_locked = true;
m_format = format;
}
NamedPointer* ptr = YOBJECT(NamedPointer,param);
if (ptr) {
m_stream = YOBJECT(Stream,ptr);
if (m_stream) {
DDebug(&__plugin,DebugInfo,"WaveConsumer using Stream %p [%p]",m_stream,this);
ptr->takeData();
}
}
if (file == "-")
return;
else if (file.endsWith(".gsm"))
m_format = "gsm";
else if (file.endsWith(".alaw") || file.endsWith(".A"))
m_format = "alaw";
else if (file.endsWith(".mulaw") || file.endsWith(".u"))
m_format = "mulaw";
else if (file.endsWith(".2slin"))
m_format = "2*slin";
else if (file.endsWith(".2alaw"))
m_format = "2*alaw";
else if (file.endsWith(".2mulaw"))
m_format = "2*mulaw";
else if (file.endsWith(".ilbc20"))
m_format = "ilbc20";
else if (file.endsWith(".ilbc30"))
m_format = "ilbc30";
else if (file.endsWith(".g729"))
m_format = "g729";
else if (file.endsWith(".lbc")) {
m_header = Ilbc;
if (!m_format.startsWith("ilbc"))
m_locked = false;
}
else if (file.endsWith(".au"))
m_header = Au;
else if (!file.endsWith(".slin"))
Debug(DebugMild,"Unknown format for recorded file '%s', assuming signed linear",file.c_str());
if (m_stream)
return;
m_stream = new File;
if (!static_cast<File*>(m_stream)->openPath(file,true,append,true,append,true,s_pubReadable)) {
Debug(DebugWarn,"Creating '%s': error %d: %s",
file.c_str(), m_stream->error(), ::strerror(m_stream->error()));
delete m_stream;
m_stream = 0;
return;
}
if (append && m_stream->seek(Stream::SeekEnd) > 0) {
// remember to skip writing the header when appending to non-empty file
m_created = false;
switch (m_header) {
// TODO: Au
case Ilbc:
if (m_stream->seek(0) == 0) {
const char* fmt = ilbcFormat(*m_stream);
m_stream->seek(Stream::SeekEnd);
if (fmt) {
if (m_format != fmt)
Debug(DebugInfo,"Detected format %s for file '%s'",fmt,file.c_str());
m_locked = true;
m_format = fmt;
}
else
Debug(DebugMild,"Could not detect iLBC format of '%s'",file.c_str());
}
break;
default:
break;
}
}
}
WaveConsumer::~WaveConsumer()
{
Debug(&__plugin,DebugAll,"WaveConsumer::~WaveConsumer() [%p] total=%u stamp=%lu",this,m_total,timeStamp());
if (m_time) {
m_time = Time::now() - m_time;
if (m_time) {
m_time = (m_total*(u_int64_t)1000000 + m_time/2) / m_time;
Debug(&__plugin,DebugInfo,"WaveConsumer rate=" FMT64U " b/s",m_time);
}
}
delete m_stream;
m_stream = 0;
s_statsMutex.lock();
s_writing--;
s_statsMutex.unlock();
}
void WaveConsumer::writeIlbcHeader() const
{
if (m_format == "ilbc20")
m_stream->writeData("#!iLBC20\n",ILBC_HEADER_LEN);
else if (m_format == "ilbc30")
m_stream->writeData("#!iLBC30\n",ILBC_HEADER_LEN);
else
Debug(DebugMild,"Invalid iLBC format '%s', not writing header",m_format.c_str());
}
void WaveConsumer::writeAuHeader()
{
AuHeader header;
String fmt = m_format;
int chans = 1;
int rate = 8000;
int sep = fmt.find('*');
if (sep > 0)
fmt >> chans >> "*";
sep = fmt.find('/');
if (sep > 0) {
rate = fmt.substr(sep+1).toInteger(rate);
fmt.assign(fmt,sep);
}
if (fmt == "slin") {
m_swap = true;
header.form = htonl(3);
}
else if (fmt == "mulaw")
header.form = htonl(1);
else if (fmt == "alaw")
header.form = htonl(27);
else {
Debug(DebugMild,"Invalid au format '%s', not writing header",m_format.c_str());
return;
}
header.sign = htonl(0x2E736E64);
header.offs = htonl(sizeof(header));
header.freq = htonl(rate);
header.chan = htonl(chans);
header.len = 0;
m_stream->writeData(&header,sizeof(header));
}
bool WaveConsumer::setFormat(const DataFormat& format)
{
if (m_locked || (format == "slin"))
return false;
bool ok = false;
switch (m_header) {
case Ilbc:
if ((format == "ilbc20") || (format == "ilbc30"))
ok = true;
else if (!m_format.startsWith("ilbc")) {
m_format = "ilbc20";
Debug(DebugNote,"WaveConsumer switching to default '%s'",m_format.c_str());
}
break;
case Au:
if ((format.find("mulaw") >= 0) || (format.find("alaw") >= 0) || (format.find("slin") >= 0))
ok = true;
break;
default:
break;
}
if (ok) {
DDebug(DebugInfo,"WaveConsumer new format '%s'",format.c_str());
m_format = format;
m_locked = true;
return true;
}
return false;
}
unsigned long WaveConsumer::Consume(const DataBlock& data, unsigned long tStamp, unsigned long flags)
{
if (!data.null()) {
if (!m_time)
m_time = Time::now();
if (m_stream) {
if (m_created) {
m_created = false;
switch (m_header) {
case Ilbc:
writeIlbcHeader();
break;
case Au:
writeAuHeader();
break;
default:
break;
}
}
if (m_swap) {
unsigned int n = data.length();
DataBlock swapped(0,n);
const uint16_t* s = (const uint16_t*)data.data();
uint16_t* d = (uint16_t*)swapped.data();
for (unsigned int i = 0; i < n; i+= 2)
*d++ = htons(*s++);
m_stream->writeData(swapped);
}
else
m_stream->writeData(data);
}
m_total += data.length();
if (m_maxlen && (m_total >= m_maxlen)) {
m_maxlen = 0;
delete m_stream;
m_stream = 0;
RefPointer<CallEndpoint> chan;
if (m_chan) {
s_consMutex.lock();
chan = m_chan;
m_chan = 0;
s_consMutex.unlock();
}
if (chan) {
DDebug(&__plugin,DebugInfo,"Preparing 'maxlen' disconnector for '%s' chan %p '%s' in consumer [%p]",
m_id.c_str(),(void*)chan,chan->id().c_str(),this);
Disconnector *disc = new Disconnector(chan,m_id,0,this,false,"maxlen");
disc->init();
}
}
return invalidStamp();
}
return 0;
}
void WaveConsumer::attached(bool added)
{
if (!added && m_chan && !m_chan->alive()) {
DDebug(&__plugin,DebugInfo,"WaveConsumer clearing dead chan %p [%p]",m_chan,this);
m_chan = 0;
}
}
Disconnector::Disconnector(CallEndpoint* chan, const String& id, WaveSource* source, WaveConsumer* consumer, bool disc, const char* reason)
: Thread("WaveDisconnector"),
m_chan(chan), m_msg(0), m_source(0), m_consumer(consumer), m_disc(disc)
{
if (id) {
Message* m = new Message("chan.notify");
if (m_chan)
m->addParam("id",m_chan->id());
m->addParam("targetid",id);
if (reason)
m->addParam("reason",reason);
m->userData(m_chan);
m_msg = m;
}
}
Disconnector::~Disconnector()
{
if (m_msg) {
DDebug(&__plugin,DebugAll,"Disconnector enqueueing notify message [%p]",this);
Engine::enqueue(m_msg);
}
}
bool Disconnector::init()
{
if (error() || !startup()) {
Debug(&__plugin,DebugCrit,"Error starting disconnector thread %p",this);
delete this;
return false;
}
return true;
}
void Disconnector::run()
{
DDebug(&__plugin,DebugAll,"Disconnector::run() chan=%p msg=%p source=%p disc=%s [%p]",
(void*)m_chan,m_msg,m_source,String::boolText(m_disc),this);
if (!m_chan)
return;
if (m_source) {
if (!m_chan->clearData(m_source))
Debug(&__plugin,DebugNote,"Source %p in channel %p was replaced with %p",
m_source,(void*)m_chan,m_chan->getSource());
if (m_disc)
m_chan->disconnect("eof");
}
else {
if (m_msg)
m_chan->clearData(m_consumer);
else
m_chan->disconnect();
}
}
WaveChan::WaveChan(const String& file, bool record, unsigned maxlen, const NamedList& msg, const NamedString* param)
: Channel(__plugin)
{
Debug(this,DebugAll,"WaveChan::WaveChan(%s) [%p]",(record ? "record" : "play"),this);
if (record) {
setConsumer(new WaveConsumer(file,this,maxlen,msg.getValue("format"),
msg.getBoolValue("append"),param));
getConsumer()->deref();
}
else {
setSource(WaveSource::create(file,this,true,msg.getBoolValue("autorepeat"),param));
getSource()->deref();
}
}
WaveChan::~WaveChan()
{
Debug(this,DebugAll,"WaveChan::~WaveChan() %s [%p]",id().c_str(),this);
}
bool WaveChan::attachSource(const char* source)
{
if (TelEngine::null(source))
return false;
Message m("chan.attach");
m.userData(this);
m.addParam("id",id());
m.addParam("source",source);
m.addParam("single",String::boolText(true));
return Engine::dispatch(m);
}
bool WaveChan::attachConsumer(const char* consumer)
{
if (TelEngine::null(consumer))
return false;
Message m("chan.attach");
m.userData(this);
m.addParam("id",id());
m.addParam("consumer",consumer);
m.addParam("single",String::boolText(true));
return Engine::dispatch(m);
}
bool AttachHandler::received(Message &msg)
{
int more = 4;
String src(msg.getValue("source"));
if (src.null())
more--;
else {
static const Regexp r("^wave/\\([^/]*\\)/\\(.*\\)$");
if (src.matches(r)) {
if (src.matchString(1) == "play") {
src = src.matchString(2);
more--;
}
else {
Debug(DebugWarn,"Could not attach source with method '%s', use 'play'",
src.matchString(1).c_str());
src.clear();
}
}
else
src.clear();
}
String cons(msg.getValue("consumer"));
if (cons.null())
more--;
else {
static const Regexp r("^wave/\\([^/]*\\)/\\(.*\\)$");
if (cons.matches(r)) {
if (cons.matchString(1) == "record") {
cons = cons.matchString(2);
more--;
}
else {
Debug(DebugWarn,"Could not attach consumer with method '%s', use 'record'",
cons.matchString(1).c_str());
cons.clear();
}
}
else
cons.clear();
}
String ovr(msg.getValue("override"));
if (ovr.null())
more--;
else {
static const Regexp r("^wave/\\([^/]*\\)/\\(.*\\)$");
if (ovr.matches(r)) {
if (ovr.matchString(1) == "play") {
ovr = ovr.matchString(2);
more--;
}
else {
Debug(DebugWarn,"Could not attach override with method '%s', use 'play'",
ovr.matchString(1).c_str());
ovr.clear();
}
}
else
ovr.clear();
}
String repl(msg.getValue("replace"));
if (repl.null())
more--;
else {
static const Regexp r("^wave/\\([^/]*\\)/\\(.*\\)$");
if (repl.matches(r)) {
if (repl.matchString(1) == "play") {
repl = repl.matchString(2);
more--;
}
else {
Debug(DebugWarn,"Could not attach replacement with method '%s', use 'play'",
repl.matchString(1).c_str());
repl.clear();
}
}
else
repl.clear();
}
if (src.null() && cons.null() && ovr.null() && repl.null())
return false;
// if single attach was requested we can return true if everything is ok
bool ret = msg.getBoolValue("single");
CallEndpoint* ch = YOBJECT(CallEndpoint,msg.userData());
if (!ch) {
if (!src.null())
Debug(DebugWarn,"Wave source '%s' attach request with no data channel!",src.c_str());
if (!cons.null())
Debug(DebugWarn,"Wave consumer '%s' attach request with no data channel!",cons.c_str());
if (!ovr.null())
Debug(DebugWarn,"Wave override '%s' attach request with no data channel!",ovr.c_str());
return false;
}
const char* notify = msg.getValue("notify");
unsigned int maxlen = msg.getIntValue("maxlen");
if (!src.null()) {
WaveSource* s = WaveSource::create(src,ch,false,msg.getBoolValue("autorepeat"),msg.getParam("source"));
ch->setSource(s);
s->setNotify(msg.getValue("notify_source",notify));
s->deref();
msg.clearParam("source");
}
if (!cons.null()) {
WaveConsumer* c = new WaveConsumer(cons,ch,maxlen,msg.getValue("format"),
msg.getBoolValue("append"),msg.getParam("consumer"));
c->setNotify(msg.getValue("notify_consumer",notify));
ch->setConsumer(c);
c->deref();
msg.clearParam("consumer");
}
while (!ovr.null()) {
DataEndpoint::commonMutex().lock();
RefPointer<DataConsumer> c = ch->getConsumer();
DataEndpoint::commonMutex().unlock();
if (!c) {
Debug(DebugWarn,"Wave override '%s' attach request with no consumer!",ovr.c_str());
ret = false;
break;
}
WaveSource* s = WaveSource::create(ovr,0,false,msg.getBoolValue("autorepeat"),msg.getParam("override"));
s->setNotify(msg.getValue("notify_override",notify));
if (DataTranslator::attachChain(s,c,true))
msg.clearParam("override");
else {
Debug(DebugWarn,"Failed to override attach wave '%s' to consumer %p",
ovr.c_str(),(void*)c);
ret = false;
}
s->deref();
break;
}
while (!repl.null()) {
DataEndpoint::commonMutex().lock();
RefPointer<DataConsumer> c = ch->getConsumer();
DataEndpoint::commonMutex().unlock();
if (!c) {
Debug(DebugWarn,"Wave replacement '%s' attach request with no consumer!",repl.c_str());
ret = false;
break;
}
WaveSource* s = WaveSource::create(repl,0,false,msg.getBoolValue("autorepeat"),msg.getParam("replace"));
s->setNotify(msg.getValue("notify_replace",notify));
if (DataTranslator::attachChain(s,c,false))
msg.clearParam("replace");
else {
Debug(DebugWarn,"Failed to replacement attach wave '%s' to consumer %p",
repl.c_str(),(void*)c);
ret = false;
}
s->deref();
break;
}
// Stop dispatching if we handled all requested
return ret && !more;
}
bool RecordHandler::received(Message &msg)
{
int more = 2;
String c1(msg.getValue("call"));
if (c1.null())
more--;
else {
static const Regexp r("^wave/\\([^/]*\\)/\\(.*\\)$");
if (c1.matches(r)) {
if (c1.matchString(1) == "record") {
c1 = c1.matchString(2);
more--;
}
else {
Debug(DebugWarn,"Could not attach call recorder with method '%s', use 'record'",
c1.matchString(1).c_str());
c1.clear();
}
}
else
c1.clear();
}
String c2(msg.getValue("peer"));
if (c2.null())
more--;
else {
static const Regexp r("^wave/\\([^/]*\\)/\\(.*\\)$");
if (c2.matches(r)) {
if (c2.matchString(1) == "record") {
c2 = c2.matchString(2);
more--;
}
else {
Debug(DebugWarn,"Could not attach peer recorder with method '%s', use 'record'",
c2.matchString(1).c_str());
c2.clear();
}
}
else
c2.clear();
}
if (c1.null() && c2.null())
return false;
const char* notify = msg.getValue("notify");
unsigned int maxlen = msg.getIntValue("maxlen");
CallEndpoint* ch = YOBJECT(CallEndpoint,msg.userData());
RefPointer<DataEndpoint> de = YOBJECT(DataEndpoint,msg.userData());
if (ch && !de) {
de = ch->setEndpoint();
if (!de)
return false;
}
if (!de) {
if (!c1.null())
Debug(DebugWarn,"Wave source '%s' call record with no data channel!",c1.c_str());
if (!c2.null())
Debug(DebugWarn,"Wave source '%s' peer record with no data channel!",c2.c_str());
return false;
}
bool append = msg.getBoolValue("append");
const char* format = msg.getValue("format");
if (!c1.null()) {
WaveConsumer* c = new WaveConsumer(c1,ch,maxlen,format,append,msg.getParam("call"));
c->setNotify(msg.getValue("notify_call",notify));
de->setCallRecord(c);
c->deref();
}
if (!c2.null()) {
WaveConsumer* c = new WaveConsumer(c2,ch,maxlen,format,append,msg.getParam("peer"));
c->setNotify(msg.getValue("notify_peer",notify));
de->setPeerRecord(c);
c->deref();
}
// Stop dispatching if we handled all requested
return !more;
}
bool WaveFileDriver::msgExecute(Message& msg, String& dest)
{
static const Regexp r("^\\([^/]*\\)/\\(.*\\)$");
if (!dest.matches(r))
return false;
bool meth = false;
if (dest.matchString(1) == "record")
meth = true;
else if (dest.matchString(1) != "play") {
Debug(DebugWarn,"Invalid wavefile method '%s', use 'record' or 'play'",
dest.matchString(1).c_str());
return false;
}
unsigned int maxlen = msg.getIntValue("maxlen");
CallEndpoint* ch = YOBJECT(CallEndpoint,msg.userData());
if (ch) {
Debug(this,DebugInfo,"%s wave file '%s'", (meth ? "Record to" : "Play from"),
dest.matchString(2).c_str());
WaveChan *c = new WaveChan(dest.matchString(2),meth,maxlen,msg,msg.getParam("callto"));
c->initChan();
if (meth)
c->attachSource(msg.getValue("source"));
else
c->attachConsumer(msg.getValue("consumer"));
if (ch->connect(c,msg.getValue("reason"))) {
c->callConnect(msg);
msg.setParam("peerid",c->id());
c->deref();
return true;
}
else {
c->destruct();
return false;
}
}
Message m("call.route");
m.copyParams(msg,msg[YSTRING("copyparams")]);
m.clearParam(YSTRING("callto"));
m.clearParam(YSTRING("id"));
m.setParam("module",name());
m.setParam("cdrtrack",String::boolText(false));
m.copyParam(msg,YSTRING("called"));
m.copyParam(msg,YSTRING("caller"));
m.copyParam(msg,YSTRING("callername"));
String callto(msg.getValue(YSTRING("direct")));
if (callto.null()) {
const char *targ = msg.getValue(YSTRING("target"));
if (!targ)
targ = msg.getValue(YSTRING("called"));
if (!targ) {
Debug(DebugWarn,"Wave outgoing call with no target!");
return false;
}
m.setParam("called",targ);
if (!m.getValue(YSTRING("caller")))
m.setParam("caller",prefix() + dest);
if (!Engine::dispatch(m)) {
Debug(DebugWarn,"Wave outgoing call but no route!");
return false;
}
callto = m.retValue();
m.retValue().clear();
}
m = "call.execute";
m.setParam("callto",callto);
WaveChan *c = new WaveChan(dest.matchString(2),meth,maxlen,msg);
c->initChan();
if (meth)
c->attachSource(msg.getValue("source"));
else
c->attachConsumer(msg.getValue("consumer"));
m.setParam("id",c->id());
m.userData(c);
if (Engine::dispatch(m)) {
msg.setParam("id",c->id());
msg.copyParam(m,YSTRING("peerid"));
c->deref();
return true;
}
Debug(DebugWarn,"Wave outgoing call not accepted!");
c->destruct();
return false;
}
void WaveFileDriver::statusParams(String& str)
{
str.append("play=",",") << s_reading;
str << ",record=" << s_writing;
Driver::statusParams(str);
}
WaveFileDriver::WaveFileDriver()
: Driver("wave","misc"), m_handler(0)
{
Output("Loaded module WaveFile");
}
void WaveFileDriver::initialize()
{
Output("Initializing module WaveFile");
setup();
s_dataPadding = Engine::config().getBoolValue("hacks","datapadding",true);
s_pubReadable = Engine::config().getBoolValue("hacks","wavepubread",false);
if (!m_handler) {
m_handler = new AttachHandler;
Engine::install(m_handler);
Engine::install(new RecordHandler);
}
}
}; // anonymous namespace
/* vi: set ts=8 sw=4 sts=4 noet: */