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transceiver.cpp
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transceiver.cpp
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/**
* tranceiver.cpp
* This file is part of the Yate-BTS Project http://www.yatebts.com
*
* Tranceiver implementation
*
* Yet Another Telephony Engine - Base Transceiver Station
* Copyright (C) 2014 Null Team Impex SRL
*
* 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 "transceiver.h"
#include <stdio.h>
#include <string.h>
// Socket read/write
#ifdef XDEBUG
#define TRANSCEIVER_DEBUG_SOCKET
#else
//#define TRANSCEIVER_DEBUG_SOCKET
#endif
#ifdef XDEBUG
//#define TRANSCEIVER_DEBUGGER_FUNC
#endif
#ifdef TRANSCEIVER_DEBUGGER_FUNC
#define DBGFUNC_TRXOBJ(func,obj) \
Debugger debugger(DebugAll,func," %s[%p]",TelEngine::c_safe(obj->prefix()),obj)
#else
#define DBGFUNC_TRXOBJ(func,obj) {}
#endif
#define FILLER_FRAMES_MIN 102
#define AVEREGE_NOISE_LENGTH 102
#define BOARD_SHIFT 4
// Dump data when entering in qmf() function
//#define TRANSCEIVER_DUMP_QMF_IN
// Dump data after applying QMF frequency shifting
//#define TRANSCEIVER_DUMP_QMF_FREQSHIFTED
// Dump QMF half band filter data
//#define TRANSCEIVER_DUMP_QMF_HALFBANDFILTER
// Dump input data on ARFCN process start / exit
//#define TRANSCEIVER_DUMP_ARFCN_PROCESS_IN
//#define TRANSCEIVER_DUMP_ARFCN_PROCESS_OUT
// Dump the RX data for testing.
//#define TRANSCEIVER_DUMP_RX_DEBUG
// Dump only the input vector and the output data for RX
//#define TRANSCEIVER_DUMP_RX_INPUT_OUTPUT
// Dump Demodulator performance
//#define TRANSCEIVER_DUMP_DEMOD_PERF
// Minimum data length for radio Rx burst to be processed by an ARFCN
#define ARFCN_RXBURST_LEN 156
namespace TelEngine {
class TrxWorker : public Thread, public GenObject
{
public:
enum Type {
RadioRead = 0x0001,
TrxReadCtrl = 0x0002,
TrxRadioIn = 0x0004,
ARFCNData = 0x0008,
ARFCNRx = 0x0010,
TrxRadioOut = 0x0020,
RadioMask = RadioRead | TrxRadioIn | TrxRadioOut | ARFCNData | ARFCNRx,
};
TrxWorker(unsigned int type, TransceiverObj* obj)
: Thread(lookup(type,s_name)), m_type(type), m_obj(obj)
{}
~TrxWorker()
{ notify(); }
virtual void cleanup()
{ notify(); }
static bool create(Thread*& th, int type, TransceiverObj* o);
static void cancelThreads(TransceiverObj* o, unsigned int waitMs1, Thread** th1,
unsigned int waitMs2 = 0, Thread** th2 = 0);
static void softCancel(unsigned int mask = 0xffffffff);
static const TokenDict s_name[];
static const TokenDict s_info[];
static Mutex s_mutex;
protected:
virtual void run();
void notify(bool final = true);
static ObjList s_threads;
unsigned int m_type;
TransceiverObj* m_obj;
};
/** TODO NOTE
* The following code is for testing purpose
*/
static ObjList s_indata;
static Mutex s_inDataLoker;
class RxInData : public GenObject
{
public:
inline RxInData(const ComplexVector& v, const GSMTime& t)
: m_data(v), m_time(t)
{}
ComplexVector m_data;
GSMTime m_time;
static void add(const ComplexVector& v, const GSMTime& t)
{
Lock myLock(s_inDataLoker);
RxInData* in = new RxInData(v,t);
s_indata.append(in);
if (s_indata.count() > 100) {
ObjList* o = s_indata.skipNull();
if (o)
o->remove();
}
}
static void dump(const GSMTime& t) {
RxInData* d = 0;
Lock myLock(s_inDataLoker);
for (ObjList* o = s_indata.skipNull(); o;) {
RxInData* rx = static_cast<RxInData*>(o->get());
if (t > rx->m_time) {
o->remove();
o = o->skipNull();
continue;
}
if (rx->m_time == t) {
TelEngine::destruct(d);
d = static_cast<RxInData*>(o->remove(false));
o = o->skipNull();
continue;
}
o = o->skipNext();
}
if (!d) {
Debug(DebugWarn,"Unable to find Input Data!!");
return;
}
String dump;
Complex::dump(dump,d->m_data.data(),d->m_data.length());
::printf("input-data:%s",dump.c_str());
TelEngine::destruct(d);
}
};
class FileDataDumper : public Thread
{
public:
FileDataDumper(const String& fileName);
void addData(const ComplexVector& v);
static bool start(FileDataDumper*& ptr, const String& fileName);
static inline void stop(FileDataDumper*& ptr) {
if (!ptr)
return;
ptr->cancel();
ptr = 0;
}
protected:
virtual void run();
private:
ObjList m_list;
String m_fileName;
Mutex m_mutex;
};
FileDataDumper::FileDataDumper(const String& fileName)
: Thread("TrxFileDump"),
m_fileName(fileName),
m_mutex(false,"TrxFileDump")
{
}
void FileDataDumper::addData(const ComplexVector& v)
{
static int s_counter = 0;
static GSMTime t;
s_counter++;
if ((s_counter % 1001) != 0)
return;
s_counter = 0;
Lock myLock(m_mutex);
m_list.append(new RxInData(v,t));
}
bool FileDataDumper::start(FileDataDumper*& ptr, const String& fileName)
{
stop(ptr);
ptr = new FileDataDumper(fileName);
if (!ptr->startup()) {
delete ptr;
ptr = 0;
}
return ptr != 0;
}
void FileDataDumper::run()
{
File f;
if (!f.openPath(m_fileName,true,false,true)) {
Debug(DebugNote,"Unable to open dump file %s",m_fileName.c_str());
return;
}
while (!Thread::check(false)) {
Lock myLock(m_mutex);
ObjList* o = m_list.skipNull();
RxInData* in = o ? static_cast<RxInData*>(o->remove(false)) : 0;
myLock.drop();
if (!in) {
Thread::idle();
continue;
}
String s;
Complex::dump(s,in->m_data.data(),in->m_data.length());
s << "\r\n";
f.writeData(s.c_str(),s.length());
TelEngine::destruct(in);
}
Debug(DebugTest,"Data write finished!");
}
/** TODO NOTE
* End test code */
ObjList TrxWorker::s_threads;
Mutex TrxWorker::s_mutex(false,"TrxWorkers");
static FileDataDumper* s_dumper = 0;
const TokenDict TrxWorker::s_name[] = {
{"ARFCNData", ARFCNData},
{"ARFCNRx", ARFCNRx},
{"TrxReadCtrl", TrxReadCtrl},
{"TrxRadioIn", TrxRadioIn},
{"TrxRadioOut", TrxRadioOut},
{"RadioRead", RadioRead},
{0,0},
};
const TokenDict TrxWorker::s_info[] = {
{"Data socket read", ARFCNData},
{"Radio input process", ARFCNRx},
{"Control socket read", TrxReadCtrl},
{"Radio input process", TrxRadioIn},
{"Radio device send", TrxRadioOut},
{"Radio device read", RadioRead},
{0,0},
};
bool TrxWorker::create(Thread*& th, int type, TransceiverObj* o)
{
if (!o)
return 0;
if (th)
cancelThreads(o,20,&th);
Lock lck(s_mutex);
TrxWorker* tmp = new TrxWorker(type,o);
if (tmp->startup()) {
th = tmp;
return true;
}
th = 0;
lck.drop();
delete tmp;
Alarm(o,"system",DebugWarn,"%sFailed to start '%s' worker thread [%p]",
(o ? o->prefix() : ""),lookup(type,s_name),o);
return false;
}
void TrxWorker::softCancel(unsigned int mask)
{
Lock lck(s_mutex);
for (ObjList* o = s_threads.skipNull(); o; o = o->skipNext()) {
TrxWorker* t = static_cast<TrxWorker*>(o->get());
if (!t->alive())
continue;
if ((t->m_type & mask) != 0)
t->cancel(false);
}
}
static inline void setDebugLevel(DebugEnabler* enabler, const String* str)
{
if (enabler && str)
enabler->debugLevel(str->toInteger(enabler->debugLevel()));
}
// Calculate a number of thread idle intervals from a period
// Return a non 0 value
static inline unsigned int threadIdleIntervals(unsigned int intervalMs)
{
intervalMs = (unsigned int)(intervalMs / Thread::idleMsec());
return intervalMs ? intervalMs : 1;
}
static inline void hardCancel(Thread*& t, TransceiverObj* o, Mutex* mtx = 0)
{
if (!t)
return;
Lock lck(mtx);
if (!t)
return;
Debug(o,DebugWarn,"%sHard cancelling worker thread (%p) '%s' [%p]",
(o ? o->prefix() : ""),t,t->name(),o);
t->cancel(true);
t = 0;
}
static inline void checkHardCancel(Thread*& t, unsigned int& wait, TransceiverObj* dbg,
Mutex* mtx)
{
if (!(wait && t))
return;
wait--;
if (!wait)
hardCancel(t,dbg,mtx);
}
// Cancel threads, wait for them to terminate
// waitMs: Interval to wait before hard cancelling them
void TrxWorker::cancelThreads(TransceiverObj* o, unsigned int waitMs1, Thread** th1,
unsigned int waitMs2, Thread** th2)
{
DBGFUNC_TRXOBJ("cancelThreads()",o);
Lock lck(s_mutex);
Thread* dummy = 0;
Thread*& t1 = th1 ? *th1 : dummy;
Thread*& t2 = th2 ? *th2 : dummy;
if (!(t1 || t2))
return;
if (t1)
t1->cancel(false);
if (t2)
t2->cancel(false);
if (waitMs1)
waitMs1 = threadIdleIntervals(waitMs1);
if (waitMs2)
waitMs2 = threadIdleIntervals(waitMs2);
bool stop = false;
while ((t1 || t2) && !stop) {
lck.drop();
Thread::idle();
stop = Thread::check(false);
if (!stop && (waitMs1 || waitMs2)) {
checkHardCancel(t1,waitMs1,o,&s_mutex);
checkHardCancel(t2,waitMs2,o,&s_mutex);
}
lck.acquire(s_mutex);
}
hardCancel(t1,o);
hardCancel(t2,o);
}
void TrxWorker::run()
{
if (!m_obj)
return;
s_mutex.lock();
s_threads.append(this)->setDelete(false);
s_mutex.unlock();
DDebug(m_obj,DebugAll,"%s%s thread (%p) started [%p]",
m_obj->prefix(),lookup(m_type,s_info),this,m_obj);
switch (m_type) {
case ARFCNData:
(static_cast<ARFCNSocket*>(m_obj))->runReadDataSocket();
break;
case ARFCNRx:
(static_cast<ARFCN*>(m_obj))->runRadioDataProcess();
break;
case TrxReadCtrl:
(static_cast<Transceiver*>(m_obj))->runReadCtrlSocket();
break;
case TrxRadioIn:
(static_cast<Transceiver*>(m_obj))->runRadioDataProcess();
break;
case TrxRadioOut:
(static_cast<Transceiver*>(m_obj))->runRadioSendData();
break;
case RadioRead:
(static_cast<RadioIface*>(m_obj))->runReadRadio();
break;
default:
Debug(m_obj,DebugStub,"TrxWorker::run() type=%d not handled",m_type);
}
notify(false);
}
void TrxWorker::notify(bool final)
{
s_mutex.lock();
s_threads.remove(this,false);
s_mutex.unlock();
TransceiverObj* obj = m_obj;
m_obj = 0;
if (!obj)
return;
const char* s = lookup(m_type,s_info);
if (!final)
Debug(obj,DebugAll,"%s%s thread (%p) terminated [%p]",obj->prefix(),s,this,obj);
else {
Alarm(obj,"system",DebugWarn,"%s%s thread (%p) abnormally terminated [%p]",
obj->prefix(),s,this,obj);
if (obj->transceiver())
obj->transceiver()->fatalError();
}
obj->workerTerminated(this);
}
}; // namespace TelEngine
using namespace TelEngine;
enum Command
{
CmdUnknown = 0,
CmdHandover,
CmdNoHandover,
CmdSetSlot,
CmdSetPower,
CmdAdjPower,
CmdSetTxAtten,
CmdRxTune,
CmdTxTune,
CmdReadFactory,
CmdSetTsc,
CmdSetMaxDelay,
CmdSetRxGain,
CmdPowerOn,
CmdPowerOff,
CmdCustom,
CmdManageTx,
CmdNoise,
CmdFreqOffset
};
static const TokenDict s_cmdName[] = {
{"HANDOVER", CmdHandover},
{"NOHANDOVER", CmdNoHandover},
{"SETSLOT", CmdSetSlot},
{"SETPOWER", CmdSetPower},
{"ADJPOWER", CmdAdjPower},
{"SETTXATTEN", CmdSetTxAtten},
{"RXTUNE", CmdRxTune},
{"TXTUNE", CmdTxTune},
{"READFACTORY", CmdReadFactory},
{"SETTSC", CmdSetTsc},
{"SETMAXDLY", CmdSetMaxDelay},
{"SETRXGAIN", CmdSetRxGain},
{"POWERON", CmdPowerOn},
{"POWEROFF", CmdPowerOff},
{"CUSTOM", CmdCustom},
{"MANAGETX", CmdManageTx},
{"NOISELEV", CmdNoise},
{"SETFREQOFFSET",CmdFreqOffset},
{0,0}
};
static const TokenDict s_cmdErrorName[] = {
{"Unknown command", Transceiver::CmdEUnkCmd},
{"Failure", Transceiver::CmdEFailure},
{"Invalid/missing parameter(s)", Transceiver::CmdEInvalidParam},
{"Invalid state", Transceiver::CmdEInvalidState},
{"Invalid ARFCN", Transceiver::CmdEInvalidARFCN},
{0,0}
};
static const TokenDict s_stateName[] = {
{"Invalid", Transceiver::Invalid},
{"Idle", Transceiver::Idle},
{"PowerOff", Transceiver::PowerOff},
{"PowerOn", Transceiver::PowerOn},
{0,0}
};
static const TokenDict s_gsmSlotType[] = {
{"I", ARFCN::ChanI},
{"II", ARFCN::ChanII},
{"III", ARFCN::ChanIII},
{"IV", ARFCN::ChanIV},
{"V", ARFCN::ChanV},
{"VI", ARFCN::ChanVI},
{"VII", ARFCN::ChanVII},
{"Fill", ARFCN::ChanFill},
{"None", ARFCN::ChanNone},
{"IGPRS", ARFCN::ChanIGPRS},
{0,0}
};
static const TokenDict s_gsmBurstType[] = {
{"Normal", ARFCN::BurstNormal},
{"Access", ARFCN::BurstAccess},
{"Idle", ARFCN::BurstIdle},
{"None", ARFCN::BurstNone},
{"Unknown", ARFCN::BurstUnknown},
{"Check", ARFCN::BurstCheck},
{0,0}
};
struct QMFBlockDesc
{
const char* name;
unsigned int arfcn;
float freqShiftValue;
};
static const QMFBlockDesc s_qmfBlock4[15] = {
{"Q", 0xffffffff, (float)(PI / 2)},
{"QL", 0xffffffff, (float)(0.749149017394489)},
{"QH", 0xffffffff, (float)(2.3924436361953)},
{"QLL", 0xffffffff, (float)(-0.821647309400407)},
{"QLH", 0xffffffff, (float)(0.821647309400407)},
{"QHL", 0xffffffff, (float)(-0.821647309400407)},
{"QHH", 0xffffffff, (float)(0.821647309400407)},
{"QLLL", 0, (float)(-PI / 4)},
{"QLLH", 0xffffffff, 0},
{"QLHL", 1, (float)(-PI / 4)},
{"QLHH", 0xffffffff, 0},
{"QHLL", 2, (float)(-PI / 4)},
{"QHLH", 0xffffffff, 0},
{"QHHL", 3, (float)(-PI / 4)},
{"QHHH", 0xffffffff, 0}
};
static inline const char* trxStateName(int stat)
{
return lookup(stat,Transceiver::dictStateName());
}
static inline bool trxShouldExit(Transceiver* trx)
{
return trx && trx->shouldStop();
}
static inline bool thShouldExit(Transceiver* trx)
{
return Thread::check(false) || trxShouldExit(trx);
}
static inline unsigned int getUInt(const NamedList& p, const String& param,
unsigned int defVal = 1, unsigned int minVal = 1,
unsigned int maxVal = (unsigned int)INT_MAX)
{
return (unsigned int)p.getIntValue(param,defVal,minVal,maxVal);
}
static inline bool setReason(String* dest, const char* src, bool ok = false)
{
if (dest)
*dest = src;
return ok;
}
static inline int getCommand(String& buf, String& cmd)
{
int c = buf.find(" ");
if (c >= 0) {
cmd = buf.substr(0,c);
buf = buf.substr(c + 1);
}
else {
cmd = buf;
buf.clear();
}
return lookup(cmd,s_cmdName);
}
static inline bool buildCmdRsp(String* rsp, const char* cmd, int status,
const char* param = 0)
{
if (rsp) {
*rsp << "RSP " << cmd << " " << status;
rsp->append(param," ");
}
return status == 0;
}
//
// GenQueue
//
GenQueue::GenQueue(unsigned int maxLen, const char* name)
: m_name(name),
m_mutex(false,m_name.safe("GenQueue")),
m_free(maxLen,"GenQueueFree"),
m_used(maxLen,"GenQueueUsed"),
m_empty(true),
m_count(0),
m_max(maxLen)
{
clear();
}
bool GenQueue::add(GenObject* obj, Transceiver* trx)
{
if (!obj)
return false;
m_mutex.lock();
if (m_max <= m_count) {
m_mutex.unlock();
while (!m_free.lock(Thread::idleUsec()))
if (thShouldExit(trx))
return false;
m_mutex.lock();
}
m_data.append(obj);
m_count++;
m_empty = false;
m_mutex.unlock();
if (m_max)
m_used.unlock();
return true;
}
// Wait for an object to be put in the queue.
// Returns when there is something in the queue or the calling thread was
// cancelled or the given transceiver is exiting
bool GenQueue::waitPop(GenObject*& obj, Transceiver* trx)
{
if (m_max)
while (true) {
obj = internalPop();
if (obj) {
m_free.unlock();
return true;
}
if (m_used.lock(Thread::idleUsec())) {
obj = internalPop();
if (obj) {
m_free.unlock();
return true;
}
}
if (thShouldExit(trx))
return false;
}
else
while (true) {
if (!empty()) {
obj = internalPop();
if (obj)
return true;
}
Thread::idle();
if (thShouldExit(trx))
return false;
}
return false;
}
// Clear the queue
void GenQueue::clear()
{
m_mutex.lock();
m_empty = true;
m_count = 0;
m_data.clear();
m_mutex.unlock();
if (!m_max)
return;
// Adjust semaphores
while (m_used.lock(0))
;
for (unsigned int n = m_max + 1; n; n--)
m_free.unlock();
}
GenObject* GenQueue::internalPop()
{
Lock lck(m_mutex);
GenObject* ret = m_data.remove(false);
if (!ret)
return 0;
m_count--;
if (!m_count)
m_empty = true;
return ret;
}
//
// TransceiverObj
//
// Set the transceiver
void TransceiverObj::setTransceiver(Transceiver& t, const char* name)
{
m_transceiver = &t;
m_prefix.clear();
bool noTrx = ((&t) != this);
if (noTrx) {
m_name = t.debugName();
m_prefix << name << ": ";
}
else
m_name = name;
debugName(m_name);
}
// Dump to output a received burst
void TransceiverObj::dumpRecvBurst(const char* str, const GSMTime& time,
const Complex* c, unsigned int len)
{
if (!debugAt(DebugAll))
return;
String tmp;
Complex::dump(tmp,c,len);
Debug(this,DebugAll,"%s%s TN=%u FN=%u len=%u:%s [%p]",
prefix(),TelEngine::c_safe(str),time.tn(),time.fn(),len,
tmp.safe(),this);
}
void demodulatorTestPoint(const String& name, const ComplexVector& out, int arfcn, int start = -1, int len = -1)
{
#ifdef TRANSCEIVER_DUMP_RX_DEBUG
if (start == -1)
start = 0;
int end = start;
if (len == -1 || len > (int)out.length())
end += out.length();
else
end += len;
String dump;
for (int i = start;i < end;i++)
out[i].dump(dump);
::printf("\n%s:%d:%s\n",name.c_str(),arfcn,dump.c_str());
#endif
}
void TransceiverObj::dumpRxData(const char* prefix, unsigned int index, const char* postfix,
const Complex* c, unsigned int len)
{
if (!debugAt(DebugAll))
return;
#ifdef TRANSCEIVER_DUMP_RX_DEBUG
String tmp;
Complex::dump(tmp,c,len);
::printf("\n%s%d%s:%s\n",prefix,index,postfix,tmp.safe());
#endif
}
void TransceiverObj::dumpRxData(const char* prefix, unsigned int index, const char* postfix,
const float* f, unsigned int len)
{
if (!debugAt(DebugAll))
return;
#ifdef TRANSCEIVER_DUMP_RX_DEBUG
String tmp;
FloatVector::dump(tmp,f,len,SigProcUtils::appendFloat);
::printf("\n%s%d%s:%s\n",prefix,index,postfix,tmp.safe());
#endif
}
//
// TransceiverSockIface
//
// Worker terminated notification
void TransceiverObj::workerTerminated(Thread* th)
{
Debug(this,DebugStub,"TransceiverObj::workerTerminated() [%p]",this);
}
//
// TransceiverSockIface
//
// Set a socket address
bool TransceiverSockIface::setAddr(bool local, const char* addr, int port,
TransceiverObj& dbg)
{
String reason;
SocketAddr& sa = local ? m_local : m_remote;
int family = SocketAddr::IPv4;
if (sa.assign(family)) {
if ((!addr || sa.host(addr)) && (local || !sa.isNullAddr())) {
sa.port(port);
DDebug(&dbg,DebugAll,"%sInitialized %s %s address: '%s' [%p]",
dbg.prefix(),name().c_str(),(local ? "local" : "remote"),
sa.addr().c_str(),&dbg);
return true;
}
reason = "invalid address";
}
else
reason << "failed to assign family " << family <<
" (" << SocketAddr::lookupFamily(family) << ")";
Alarm(&dbg,"config",DebugNote,
"%sFailed to initialize %s %s address (addr='%s' port=%d): %s [%p]",
dbg.prefix(),name().c_str(),(local ? "local" : "remote"),
addr,port,reason.c_str(),&dbg);
return false;
}
// Prepare the socket: create, set reuse, bind, set unblocking mode
// Don't terminate the socket on failure
bool TransceiverSockIface::initSocket(TransceiverObj& dbg)
{
terminate();
const char* error = 0;
while (true) {
if (!m_socket.create(m_local.family(),SOCK_DGRAM,IPPROTO_UDP)) {
error = "create failed";
break;
}
m_socket.setReuse();
if (!m_socket.bind(m_local)) {
error = "failed to bind";
break;
}
if (!m_socket.setBlocking(false)) {
error = "failed to set non blocking mode";
break;
}
break;
}
if (!error) {
Debug(&dbg,DebugInfo,"%sSocket(%s) bound on %s [%p]",
dbg.prefix(),name().c_str(),m_local.addr().c_str(),&dbg);
return true;
}
String s;
Thread::errorString(s,m_socket.error());
Alarm(&dbg,"socket",DebugWarn,"%sSocket(%s) %s (addr=%s): %d %s [%p]",
dbg.prefix(),name().c_str(),error,m_local.addr().c_str(),
m_socket.error(),s.c_str(),&dbg);
return false;
}
// Read from socket. Call Thread::idle() if nothing is read
int TransceiverSockIface::readSocket(TransceiverObj& dbg)
{
const char* error = 0;
bool sel = m_socket.canSelect();
if (sel) {
bool canRead = false;
bool ok = m_socket.select(&canRead,0,0,Thread::idleUsec());
if (thShouldExit(dbg.transceiver()))
return 0;
if (ok) {
if (!canRead)
return 0;
}
else if (m_socket.canRetry()) {
Thread::idle();
return 0;
}
else
error = "select";
}
if (!error) {
int r = m_socket.recvFrom((void*)m_readBuffer.data(),m_readBuffer.length());
if (r > 0) {
#ifdef TRANSCEIVER_DEBUG_SOCKET
String tmp;
if (m_text)
tmp.assign((const char*)m_readBuffer.data(),m_readBuffer.length());
else
tmp.hexify((void*)m_readBuffer.data(),r,' ');
Debug(&dbg,DebugAll,"%sSocket(%s) read %d bytes: %s [%p]",
dbg.prefix(),name().c_str(),r,tmp.c_str(),&dbg);
#endif
return r;
}
if (!r || m_socket.canRetry()) {
if (!sel)
Thread::idle();
return 0;
}
error = "read";
}
String s;
Thread::errorString(s,m_socket.error());
Alarm(&dbg,"socket",DebugWarn,"%sSocket(%s) %s failed: %d %s [%p]",
dbg.prefix(),name().c_str(),error,m_socket.error(),s.c_str(),&dbg);
return -1;
}
// Write to socket
int TransceiverSockIface::writeSocket(const void* buf, unsigned int len,
TransceiverObj& dbg)
{
if (!(buf && len))
return 0;
// NOTE: Handle partial write for stream sockets
for (unsigned int i = 0; i < m_writeAttempts; i++) {
int r = m_socket.sendTo(buf,len,m_remote);
if (r > 0) {
#ifdef TRANSCEIVER_DEBUG_SOCKET
bool dump = true;
#else
bool dump = m_printOne;
#endif
if (dump) {
m_printOne = false;
String tmp;
if (m_text)
tmp.assign((const char*)buf,len);
else
tmp.hexify((void*)buf,len,' ');
Debug(&dbg,DebugAll,"%sSocket(%s) sent %u bytes: %s [%p]",
dbg.prefix(),name().c_str(),len,tmp.c_str(),&dbg);
}
return len;
}
if (thShouldExit(dbg.transceiver()))
return 0;
if (m_socket.canRetry() && i < (m_writeAttempts - 1)) {
Thread::idle();
continue;
}
break;
}
String s;
Thread::errorString(s,m_socket.error());
Alarm(&dbg,"socket",DebugWarn,"%sSocket(%s) send failed: %d %s [%p]",
dbg.prefix(),name().c_str(),m_socket.error(),s.c_str(),&dbg);
return m_socket.canRetry() ? 0 : -1;
}
//
// Transceiver
//
Transceiver::Transceiver(const char* name)
: m_state(Invalid),
m_stateMutex(false,"TrxState"),
m_ctrlReadThread(0),
m_radio(0),
m_radioInThread(0),
m_radioOutThread(0),
m_rxQueue(24,"TrxRxQueue"),
m_oversamplingRate(1),
m_burstMinPower(0),
m_snrThreshold(2),
m_wrtFullScaleThreshold(-2),
m_peakOverMeanThreshold(3),
m_upPowerThreshold(-2),
m_maxPropDelay(63),
m_arfcn(0),
m_arfcnCount(0),
m_arfcnConf(0),
m_clockIface("clock"),
m_startTime(0),
m_clockUpdMutex(false,"TrxClockUpd"),
m_txLatency(2),
m_tsc(0),
m_rxFreq(0),
m_txFreq(0),
m_freqOffset(0),
m_txPower(-10),
m_txAttnOffset(0),
m_sendArfcnFS(0),
m_txTestBurst(0),
m_testMutex(false,"txTest"),
m_dumpOneTx(false),
m_dumpOneRx(false),
m_toaShift(0),
m_error(false),
m_exiting(false),
m_shutdown(false)
{
setTransceiver(*this,name);
DDebug(this,DebugAll,"Transceiver() [%p]",this);
}
Transceiver::~Transceiver()
{
DDebug(this,DebugAll,"~Transceiver() [%p]",this);
stop();
// NOTE: If you need to use m_arfcnCount use it before this line!
// resetARFCNs will set it to 0.
resetARFCNs();
TelEngine::destruct(m_radio);
TelEngine::destruct(m_txTestBurst);
}
// Initialize the transceiver. This method should be called after construction
bool Transceiver::init(RadioIface* radio, const NamedList& params)
{
if (m_state != Invalid) {
reInit(params);
return false;
}
m_error = false;
m_radio = radio;
if (!m_radio) {
Debug(this,DebugFail,"No radio interface [%p]",this);