SS7 work in proggress.

git-svn-id: http://voip.null.ro/svn/yate@831 acf43c95-373e-0410-b603-e72c3f656dc1
This commit is contained in:
paulc 2006-06-02 15:11:32 +00:00
parent f73c76515f
commit 9f0daebea3
8 changed files with 878 additions and 15 deletions

View File

@ -18,6 +18,9 @@ OBJS = engine.o address.o sigcall.o sigtran.o \
interface.o layer2.o layer3.o \
router.o sccp.o tcap.o \
q921.o q931.o
LIBD_VER:= libyatess7.so.@PACKAGE_VERSION@
LIBD_DEV:= libyatess7.so
LIBD:= ../../$(LIBD_VER) ../../$(LIBD_DEV)
DOCS = classes.png
LOCALFLAGS =
@ -32,7 +35,7 @@ exec_prefix = @exec_prefix@
-include YateLocal.mak
.PHONY: all debug ddebug xdebug docs
all: $(LIBS) $(PROGS)
all: $(LIBS) $(LIBD) $(PROGS)
docs: $(DOCS)
@ -51,7 +54,7 @@ strip: all
.PHONY: clean
clean:
@-$(RM) $(PROGS) $(LIBS) $(OBJS) core 2>/dev/null
@-$(RM) $(PROGS) $(LIBS) $(LIBD) $(OBJS) core 2>/dev/null
%.o: @srcdir@/%.cpp $(INCFILES)
$(COMPILE) -c $<
@ -59,10 +62,16 @@ clean:
Makefile: @srcdir@/Makefile.in ../../config.status
cd ../.. && ./config.status
yate-%: @srcdir@/main-%.cpp $(MKDEPS) libyatess7.a ../../libyate.so $(INCFILES)
../../$(LIBD_VER): $(OBJS)
$(LINK) -shared -o $@ -Wl,--soname=$(LIBD_VER) $^
../../$(LIBD_DEV): ../../$(LIBD_VER)
cd ../.. && ln -sf $(LIBD_VER) $(LIBD_DEV)
yate-%: @srcdir@/main-%.cpp $(MKDEPS) $(LIBS) ../../libyate.so $(INCFILES)
$(COMPILE) -o $@ $(LOCALFLAGS) $< $(LIBTHR) $(LDFLAGS) $(LOCALLIBS)
libyatess7.a: $(OBJS)
$(LIBS): $(OBJS)
$(AR) rcs $@ $^
yate-ss7test: LOCALLIBS += -L. -lyatess7

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@ -35,7 +35,12 @@ void SignallingInterface::attach(SignallingReceiver* receiver)
{
if (m_receiver == receiver)
return;
Debug(engine(),DebugStub,"Please implement SignallingReceiver::attach()");
Debug(engine(),DebugStub,"Please implement SignallingInterface::attach()");
m_receiver = receiver;
if (!receiver)
return;
insert(receiver);
receiver->attach(this);
}
bool SignallingInterface::control(Operation oper, NamedList* params)

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@ -49,7 +49,7 @@ bool SS7Layer2::control(Operation oper, NamedList* params)
SS7MTP2::SS7MTP2(unsigned int status)
: Mutex(false), m_status(status),
m_bsn(0), m_fsn(0), m_bib(false), m_fib(false)
m_bsn(127), m_fsn(127), m_bib(true), m_fib(true)
{
}
@ -109,7 +109,7 @@ bool SS7MTP2::transmitMSU(const SS7MSU& msu)
buf[1] = m_fib ? m_fsn | 0x80 : m_fsn;
m_fsn = (m_fsn + 1) & 0x7f;
m_queue.append(packet);
return transmitPacket(*packet,false);
return transmitPacket(*packet,false,SignallingInterface::SS7Msu);
}
// Decode a received packet into signalling units
@ -187,7 +187,7 @@ bool SS7MTP2::transmitLSSU(unsigned int status)
buf[0] = m_bib ? m_bsn | 0x80 : m_bsn;
buf[1] = m_fib ? m_fsn | 0x80 : m_fsn;
DataBlock packet(buf,buf[2]+3,false);
bool ok = transmitPacket(packet,true);
bool ok = transmitPacket(packet,true,SignallingInterface::SS7Lssu);
unlock();
packet.clear(false);
return ok;
@ -203,7 +203,7 @@ bool SS7MTP2::transmitFISU()
buf[0] = m_bib ? m_bsn | 0x80 : m_bsn;
buf[1] = m_fib ? m_fsn | 0x80 : m_fsn;
DataBlock packet(buf,3,false);
bool ok = transmitPacket(packet,true);
bool ok = transmitPacket(packet,true,SignallingInterface::SS7Fisu);
unlock();
packet.clear(false);
return ok;

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@ -26,9 +26,13 @@ int main()
ifdefs.addParam("card","wanpipe1");
ifdefs.addParam("device","w1g1");
SignallingInterface* iface = static_cast<SignallingInterface*>(SignallingFactory::build(ifdefs,&ifdefs));
link->SignallingReceiver::attach(iface);
if (iface) {
link->SignallingReceiver::attach(iface);
iface->control(SignallingInterface::Enable);
}
else
Debug(DebugWarn,"Failed to create '%s'",ifdefs.c_str());
engine->start("SS7test",Thread::Normal,20000);
iface->control(SignallingInterface::Enable);
Thread::msleep(100);
delete engine;
Output("SS7 library test stopped");

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@ -57,15 +57,17 @@ class SS7Router;
class SS7TCAP;
class ISDNLayer3;
// Macro to create a factory that builds a component by class name
#define YSIGFACTORY(clas,iface) \
class clas ## Factory : public SignallingFactory \
{ \
protected: \
virtual void* create(const String& type, const NamedList& name) \
{ return (name == #clas) ? static_cast<iface*>(new clas) : 0; } \
{ return (type == #clas) ? static_cast<iface*>(new clas) : 0; } \
}; \
static clas ## Factory s_ ## clas ## Factory
// Macro to create a factory that calls a component's static create method
#define YSIGFACTORY2(clas,iface) \
class clas ## Factory : public SignallingFactory \
{ \
@ -368,6 +370,17 @@ public:
TxUnderrun,
};
/**
* Packet types
*/
enum PacketType {
Unknown = 0,
SS7Fisu,
SS7Lssu,
SS7Msu,
Q921
};
/**
* Destructor, stops and detaches the interface
*/
@ -403,9 +416,10 @@ protected:
* @param packet Packet data to send
* @param repeat Continuously send a copy of the packet while no other
* data is available for transmission
* @param type Type of the packet to send
* @return True if the interface accepted the packet
*/
virtual bool transmitPacket(const DataBlock& packet, bool repeat) = 0;
virtual bool transmitPacket(const DataBlock& packet, bool repeat, PacketType type) = 0;
/**
* Push a valid received Signalling Packet up the protocol stack.
@ -468,10 +482,11 @@ protected:
* @param packet Packet data to send
* @param repeat Continuously send a copy of the packet while no other
* data is available for transmission
* @param type Type of the packet to send
* @return True if the interface accepted the packet
*/
inline bool transmitPacket(const DataBlock& packet, bool repeat)
{ return m_interface && m_interface->transmitPacket(packet,repeat); }
inline bool transmitPacket(const DataBlock& packet, bool repeat, SignallingInterface::PacketType type = SignallingInterface::Unknown)
{ return m_interface && m_interface->transmitPacket(packet,repeat,type); }
/**
* Process a Signalling Packet received by the interface

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@ -168,6 +168,10 @@ zapchan.yate: LOCALFLAGS = libypri.o -lpri
wpchan.yate: libypri.o
wpchan.yate: LOCALFLAGS = libypri.o -lpri
ysigchan.yate wpcard.yate: ../libyatess7.so
ysigchan.yate wpcard.yate: LOCALFLAGS = -I../contrib/yss7
ysigchan.yate wpcard.yate: LOCALLIBS = -lyatess7
h323chan.yate: LOCALFLAGS = -DPHAS_TEMPLATES -D_REENTRANT -DP_HAS_SEMAPHORES @H323_INC@
h323chan.yate: LOCALLIBS = @H323_LIB@
@ -217,6 +221,11 @@ gtk2/gtk2mozilla.yate: MODFLAGS = $(MODRELAX)
rmanager.yate: LOCALFLAGS = $(COREDUMP_INC)
rmanager.yate: LOCALLIBS = $(COREDUMP_LIB)
../libyatess7.so:
$(MAKE) -C ../contrib/yss7
../contrib/yss7/libyatess7.a:
$(MAKE) -C ../contrib/yss7
../contrib/iax/libiax.a:
$(MAKE) -C ../contrib/iax

729
modules/wpcard.cpp Normal file
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@ -0,0 +1,729 @@
/**
* wpcard.cpp
* This file is part of the YATE Project http://YATE.null.ro
*
* Wanpipe PRI cards signalling and data driver
*
* Yet Another Telephony Engine - a fully featured software PBX and IVR
* Copyright (C) 2004-2006 Null Team
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* 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. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include <yatess7.h>
#ifdef _WINDOWS
#error This module is not for Windows
#else
extern "C" {
#define INVALID_HANDLE_VALUE (-1)
#define __LINUX__
#include <linux/if_wanpipe.h>
#include <linux/if.h>
#include <linux/wanpipe.h>
#include <linux/wanpipe_cfg.h>
#include <linux/sdla_bitstrm.h>
};
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
#include <sys/ioctl.h>
#include <fcntl.h>
#define WP_HEADER 16
#define WP_RD_ERROR 0
#define WP_RD_STAMP_LO 1
#define WP_RD_STAMP_HI 2
#define WP_WR_TYPE 0
#define WP_WR_FORCE 1
#define WP_ERR_FIFO 0x01
#define WP_ERR_CRC 0x02
#define WP_ERR_ABORT 0x04
#define MAX_PACKET 1200
using namespace TelEngine;
namespace { // anonymous
class WpSigThread;
class WpInterface : public SignallingInterface
{
friend class WpSigThread;
public:
static void* create(const String& type, const NamedList& name);
WpInterface(const char* card, const char* device);
virtual ~WpInterface();
virtual bool transmitPacket(const DataBlock& packet, bool repeat, PacketType type);
virtual bool control(Operation oper, NamedList* params);
protected:
virtual void timerTick(const Time& when);
void receiveAttempt();
private:
bool openSocket();
Socket m_socket;
String m_card;
String m_device;
WpSigThread* m_thread;
bool m_received;
};
class WpSigThread : public Thread
{
public:
inline WpSigThread(WpInterface* iface)
: m_interface(iface)
{ }
virtual ~WpSigThread();
virtual void run();
private:
WpInterface* m_interface;
};
YSIGFACTORY2(WpInterface,SignallingInterface);
//class WpSigFactory : public SignallingFactory
void* WpInterface::create(const String& type, const NamedList& name)
{
if (type == "WpInterface")
return static_cast<WpInterface*>(new WpInterface(name.getValue("card"),name.getValue("device")));
return 0;
}
WpInterface::WpInterface(const char* card, const char* device)
: m_card(card), m_device(device), m_thread(0), m_received(false)
{
Debug(DebugAll,"WpInterface::WpInterface('%s','%s') [%p]",
card,device,this);
}
WpInterface::~WpInterface()
{
Debug(DebugAll,"WpInterface::~WpInterface() [%p]",this);
if (m_thread) {
m_thread->cancel();
while (m_thread)
Thread::yield();
// m_thread = 0;
}
m_socket.terminate();
}
bool WpInterface::transmitPacket(const DataBlock& packet, bool repeat, PacketType type)
{
if (!m_socket.valid())
return false;
int sz = WP_HEADER + packet.length();
DataBlock data(0,WP_HEADER);
data += packet;
unsigned char* d = static_cast<unsigned char*>(data.data());
if (repeat)
d[WP_WR_FORCE] = 1;
switch (type) {
case SS7Fisu:
d[WP_WR_TYPE] = WANOPT_SS7_FISU;
break;
case SS7Lssu:
d[WP_WR_TYPE] = WANOPT_SS7_LSSU;
break;
default:
break;
}
int w = m_socket.send(data.data(),data.length());
if (Socket::socketError() == w) {
DDebug(toString(),DebugWarn,"Error on sending packet of %u bytes: %d: %s [%p]",
packet.length(),m_socket.error(),::strerror(m_socket.error()),this);
return false;
}
if (w != sz) {
DDebug(toString(),DebugWarn,"Sent %d instead of %d bytes [%p]",w,sz,this);
return false;
}
XDebug(toString(),DebugAll,"Successfully sent %d bytes packet [%p]",w,this);
return true;
}
void WpInterface::receiveAttempt()
{
if (!m_socket.valid())
return;
unsigned char buf[WP_HEADER + MAX_PACKET];
int r = m_socket.recv(buf,sizeof(buf));
if (Socket::socketError() == r) {
if (m_socket.canRetry())
return;
DDebug(toString(),DebugWarn,"Error on reading packet: %d: %s [%p]",
m_socket.error(),::strerror(m_socket.error()),this);
return;
}
if (r > WP_HEADER) {
r -= WP_HEADER;
XDebug(toString(),DebugAll,"Received %d bytes packet [%p]",r,this);
if (buf[WP_RD_ERROR]) {
DDebug(toString(),DebugWarn,"Packet got error: %u [%p]",
buf[WP_RD_ERROR],this);
if (buf[WP_RD_ERROR] & WP_ERR_FIFO)
notify(RxOverflow);
if (buf[WP_RD_ERROR] & WP_ERR_CRC)
notify(CksumError);
if (buf[WP_RD_ERROR] & WP_ERR_ABORT)
notify(AlignError);
return;
}
m_received = true;
DataBlock data(buf+WP_HEADER,r);
receivedPacket(data);
data.clear(false);
}
}
bool WpInterface::openSocket()
{
Debug(DebugAll,"WpInterface::openSocket() [%p]",this);
if (!m_socket.create(AF_WANPIPE,SOCK_RAW)) {
Debug(DebugGoOn,"Wanpipe failed to create socket, error %d: %s",
m_socket.error(),::strerror(m_socket.error()));
return false;
}
// Bind to the card/interface
struct wan_sockaddr_ll sa;
memset(&sa,0,sizeof(struct wan_sockaddr_ll));
::strncpy((char*)sa.sll_device,m_device.safe(),sizeof(sa.sll_device));
::strncpy((char*)sa.sll_card,m_card.safe(),sizeof(sa.sll_card));
sa.sll_protocol = htons(PVC_PROT);
sa.sll_family=AF_WANPIPE;
if (!m_socket.bind((struct sockaddr *)&sa, sizeof(sa))) {
Debug(DebugGoOn,"Wanpipe failed to bind socket, error %d: %s",
m_socket.error(),::strerror(m_socket.error()));
m_socket.terminate();
return false;
}
if (!m_socket.setBlocking(false)) {
Debug(DebugGoOn,"Wanpipe failed to set socket non-blocking, error %d: %s",
m_socket.error(),::strerror(m_socket.error()));
m_socket.terminate();
return false;
}
return true;
}
bool WpInterface::control(Operation oper, NamedList* params)
{
switch (oper) {
case Enable:
if (!(m_socket.valid() || openSocket()))
return false;
if (!m_thread)
m_thread = new WpSigThread(this);
return m_thread->startup();
case Query:
return m_socket.valid() && m_thread && m_thread->running();
default:
return SignallingInterface::control(oper,params);
}
}
void WpInterface::timerTick(const Time& when)
{
if (m_received)
m_received = false;
else {
XDebug(toString(),DebugAll,"Not received any packets in the last tick [%p]",this);
}
}
WpSigThread::~WpSigThread()
{
Debug(DebugAll,"WpSigThread::~WpSigThread() [%p]",this);
if (m_interface)
m_interface->m_thread = 0;
}
void WpSigThread::run()
{
Debug(DebugAll,"WpSigThread::run() [%p]",this);
for (;;) {
Thread::yield(true);
if (m_interface)
m_interface->receiveAttempt();
}
}
#if 0
class WpChan;
class WpSpan : public PriSpan, public Thread
{
friend class WpData;
friend class WpDriver;
public:
virtual ~WpSpan();
virtual void run();
inline int overRead() const
{ return m_overRead; }
private:
WpSpan(struct pri *_pri, PriDriver* driver, int span, int first, int chans, int dchan, Configuration& cfg, const String& sect, HANDLE fd);
HANDLE m_fd;
WpData *m_data;
int m_overRead;
};
class WpChan : public PriChan
{
friend class WpSource;
friend class WpConsumer;
friend class WpData;
public:
WpChan(const PriSpan *parent, int chan, unsigned int bufsize);
virtual ~WpChan();
virtual bool openData(const char* format, int echoTaps);
private:
WpSource* m_wp_s;
WpConsumer* m_wp_c;
};
class WpData : public Thread
{
public:
WpData(WpSpan* span, const char* card, const char* device, Configuration& cfg, const String& sect);
~WpData();
virtual void run();
private:
WpSpan* m_span;
HANDLE m_fd;
unsigned char* m_buffer;
WpChan **m_chans;
int m_samples;
bool m_swap;
unsigned char m_rdError;
unsigned char m_wrError;
};
#define MAX_DATA_ERRORS 250
static int wp_recv(HANDLE fd, void *buf, int buflen, int flags = 0)
{
int r = ::recv(fd,buf,buflen,flags);
return r;
}
static int wp_send(HANDLE fd, void *buf, int buflen, int flags = 0)
{
int w = ::send(fd,buf,buflen,flags);
return w;
}
static int wp_read(struct pri *pri, void *buf, int buflen)
{
buflen -= 2;
int sz = buflen+WP_HEADER;
char *tmp = (char*)::calloc(sz,1);
XDebug("wp_read",DebugAll,"pre buf=%p len=%d tmp=%p sz=%d",buf,buflen,tmp,sz);
int r = wp_recv((HANDLE)::pri_fd(pri),tmp,sz,MSG_NOSIGNAL);
XDebug("wp_read",DebugAll,"post r=%d",r);
if (r > 0) {
r -= WP_HEADER;
if ((r > 0) && (r <= buflen)) {
WpSpan* span = (WpSpan*)::pri_get_userdata(pri);
if (span)
r -= span->overRead();
DDebug("wp_read",DebugAll,"Transferring %d for %p",r,pri);
::memcpy(buf,tmp+WP_HEADER,r);
r += 2;
}
}
::free(tmp);
return r;
}
static int wp_write(struct pri *pri, void *buf, int buflen)
{
buflen -= 2;
int sz = buflen+WP_HEADER;
char *tmp = (char*)::calloc(sz,1);
::memcpy(tmp+WP_HEADER,buf,buflen);
XDebug("wp_write",DebugAll,"pre buf=%p len=%d tmp=%p sz=%d",buf,buflen,tmp,sz);
int w = wp_send((HANDLE)::pri_fd(pri),tmp,sz,0);
XDebug("wp_write",DebugAll,"post w=%d",w);
if (w > 0) {
w -= WP_HEADER;
DDebug("wp_write",DebugAll,"Transferred %d for %p",w,pri);
w += 2;
}
::free(tmp);
return w;
}
static bool wp_select(HANDLE fd,int samp,bool* errp = 0)
{
fd_set rdfds;
fd_set errfds;
FD_ZERO(&rdfds);
FD_SET(fd,&rdfds);
FD_ZERO(&errfds);
FD_SET(fd,&errfds);
struct timeval tv;
tv.tv_sec = 0;
tv.tv_usec = samp*125;
int sel = ::select(fd+1, &rdfds, NULL, errp ? &errfds : NULL, &tv);
if (sel < 0)
Debug(DebugWarn,"Wanpipe select failed on %d: error %d: %s",
fd,errno,::strerror(errno));
if (errp)
*errp = FD_ISSET(fd,&errfds);
return FD_ISSET(fd,&rdfds);
}
void wp_close(HANDLE fd)
{
if (fd == INVALID_HANDLE_VALUE)
return;
::close(fd);
}
static HANDLE wp_open(const char* card, const char* device)
{
DDebug(DebugAll,"wp_open('%s','%s')",card,device);
if (null(card) || null(device))
return INVALID_HANDLE_VALUE;
HANDLE fd = ::socket(AF_WANPIPE, SOCK_RAW, 0);
if (fd == INVALID_HANDLE_VALUE) {
Debug(DebugGoOn,"Wanpipe failed to create socket: error %d: %s",
errno,::strerror(errno));
return fd;
}
// Bind to the card/interface
struct wan_sockaddr_ll sa;
memset(&sa,0,sizeof(struct wan_sockaddr_ll));
::strncpy((char*)sa.sll_device,device,sizeof(sa.sll_device));
::strncpy((char*)sa.sll_card,card,sizeof(sa.sll_card));
sa.sll_protocol = htons(PVC_PROT);
sa.sll_family=AF_WANPIPE;
if (::bind(fd, (struct sockaddr *)&sa, sizeof(sa)) < 0) {
Debug(DebugGoOn,"Wanpipe failed to bind %d: error %d: %s",
fd,errno,::strerror(errno));
wp_close(fd);
fd = INVALID_HANDLE_VALUE;
}
return fd;
}
static struct pri* wp_create(const char* card, const char* device, int nettype, int swtype)
{
DDebug(DebugAll,"wp_create('%s','%s',%d,%d)",card,device,nettype,swtype);
HANDLE fd = wp_open(card,device);
if (fd == INVALID_HANDLE_VALUE)
return 0;
struct pri* p = ::pri_new_cb((int)fd, nettype, swtype, wp_read, wp_write, 0);
if (!p)
wp_close(fd);
return p;
}
WpSpan::WpSpan(struct pri *_pri, PriDriver* driver, int span, int first, int chans, int dchan, Configuration& cfg, const String& sect, HANDLE fd)
: PriSpan(_pri,driver,span,first,chans,dchan,cfg,sect), Thread("WpSpan"),
m_fd(fd), m_data(0), m_overRead(0)
{
Debug(&__plugin,DebugAll,"WpSpan::WpSpan() [%p]",this);
m_overRead = cfg.getIntValue(sect,"overread",cfg.getIntValue("general","overread",0));
}
WpSpan::~WpSpan()
{
Debug(&__plugin,DebugAll,"WpSpan::~WpSpan() [%p]",this);
m_ok = false;
delete m_data;
wp_close(m_fd);
m_fd = INVALID_HANDLE_VALUE;
}
void WpSpan::run()
{
Debug(&__plugin,DebugAll,"WpSpan::run() [%p]",this);
for (;;) {
bool rd = wp_select(m_fd,5); // 5 bytes per smallest q921 frame
Thread::check();
runEvent(!rd);
}
}
WpSource::WpSource(WpChan *owner, const char* format, unsigned int bufsize)
: PriSource(owner,format,bufsize),
m_bufpos(0)
{
Debug(m_owner,DebugAll,"WpSource::WpSource(%p) [%p]",owner,this);
static_cast<WpChan*>(m_owner)->m_wp_s = this;
}
WpSource::~WpSource()
{
Debug(m_owner,DebugAll,"WpSource::~WpSource() [%p]",this);
static_cast<WpChan*>(m_owner)->m_wp_s = 0;
}
void WpSource::put(unsigned char val)
{
((char*)m_buffer.data())[m_bufpos] = val;
if (++m_bufpos >= m_buffer.length()) {
m_bufpos = 0;
Forward(m_buffer);
}
}
WpConsumer::WpConsumer(WpChan *owner, const char* format, unsigned int bufsize)
: PriConsumer(owner,format,bufsize), Fifo(2*bufsize)
{
Debug(m_owner,DebugAll,"WpConsumer::WpConsumer(%p) [%p]",owner,this);
static_cast<WpChan*>(m_owner)->m_wp_c = this;
}
WpConsumer::~WpConsumer()
{
Debug(m_owner,DebugAll,"WpConsumer::~WpConsumer() [%p]",this);
static_cast<WpChan*>(m_owner)->m_wp_c = 0;
if (m_overruns.events())
Debug(m_owner,DebugMild,"Consumer had %u overruns (%lu bytes)",
m_overruns.events(),m_overruns.bytes());
}
void WpConsumer::Consume(const DataBlock &data, unsigned long tStamp)
{
unsigned int err = put((const unsigned char*)data.data(),data.length());
if (err)
m_overruns.update(err);
}
static Thread::Priority cfgPriority(Configuration& cfg, const String& sect)
{
String tmp(cfg.getValue(sect,"thread"));
if (tmp.null())
tmp = cfg.getValue("general","thread");
return Thread::priority(tmp);
}
WpData::WpData(WpSpan* span, const char* card, const char* device, Configuration& cfg, const String& sect)
: Thread("WpData",cfgPriority(cfg,sect)), m_span(span), m_fd(INVALID_HANDLE_VALUE),
m_buffer(0), m_chans(0), m_samples(50), m_swap(true), m_rdError(0), m_wrError(0)
{
Debug(&__plugin,DebugAll,"WpData::WpData(%p,'%s','%s') [%p]",
span,card,device,this);
HANDLE fd = wp_open(card,device);
if (fd != INVALID_HANDLE_VALUE) {
m_fd = fd;
m_span->m_data = this;
}
if (m_span->chans() == 24)
// for T1 we typically have 23 B channels so we adjust the number
// of samples to get multiple of 32 bit and also reduce overhead
m_samples = 64;
m_samples = cfg.getIntValue("general","samples",m_samples);
m_samples = cfg.getIntValue(sect,"samples",m_samples);
m_swap = cfg.getBoolValue("general","bitswap",m_swap);
m_swap = cfg.getBoolValue(sect,"bitswap",m_swap);
}
WpData::~WpData()
{
Debug(&__plugin,DebugAll,"WpData::~WpData() [%p]",this);
m_span->m_data = 0;
wp_close(m_fd);
m_fd = INVALID_HANDLE_VALUE;
if (m_buffer)
::free(m_buffer);
if (m_chans)
delete[] m_chans;
}
void WpData::run()
{
Debug(&__plugin,DebugAll,"WpData::run() [%p]",this);
int bchans = m_span->bchans();
int buflen = m_samples*bchans;
int sz = buflen+WP_HEADER;
m_buffer = (unsigned char*)::malloc(sz);
// Build a compacted list of allocated B channels
m_chans = new WpChan* [bchans];
int b = 0;
for (int n = 0; n < bchans; n++) {
while (!m_span->m_chans[b])
b++;
m_chans[n] = static_cast<WpChan*>(m_span->m_chans[b++]);
DDebug(&__plugin,DebugInfo,"wpdata ch[%d]=%d (%p)",n,m_chans[n]->chan(),m_chans[n]);
}
while (m_span && (m_fd >= 0)) {
Thread::check();
bool oob = false;
bool rd = wp_select(m_fd,m_samples,&oob);
if (oob) {
XDebug("wpdata_recv_oob",DebugAll,"pre buf=%p len=%d sz=%d",m_buffer,buflen,sz);
int r = wp_recv(m_fd,m_buffer,sz,MSG_OOB);
XDebug("wpdata_recv_oob",DebugAll,"post r=%d",r);
if (r > 0)
Debug(&__plugin,DebugInfo,"Read %d bytes of OOB data on span %d [%p]",
r,m_span->span(),this);
}
if (rd) {
m_buffer[0] = 0;
XDebug("wpdata_recv",DebugAll,"pre buf=%p len=%d sz=%d",m_buffer,buflen,sz);
int r = wp_recv(m_fd,m_buffer,sz,0/*MSG_NOSIGNAL*/);
XDebug("wpdata_recv",DebugAll,"post r=%d",r);
r -= WP_HEADER;
if (m_buffer[0]) {
if (!m_rdError)
Debug(&__plugin,DebugWarn,"Read data error 0x%02X on span %d [%p]",
m_buffer[0],m_span->span(),this);
if (m_rdError < MAX_DATA_ERRORS)
m_rdError++;
}
else
m_rdError = 0;
// We should have read N bytes for each B channel
if ((r > 0) && ((r % bchans) == 0)) {
r /= bchans;
const unsigned char* dat = m_buffer + WP_HEADER;
m_span->lock();
for (int n = r; n > 0; n--)
for (b = 0; b < bchans; b++) {
WpSource *s = m_chans[b]->m_wp_s;
if (s)
s->put(m_swap ? PriDriver::bitswap(*dat) : *dat);
dat++;
}
m_span->unlock();
}
int wr = m_samples;
::memset(m_buffer,0,WP_HEADER);
unsigned char* dat = m_buffer + WP_HEADER;
m_span->lock();
for (int n = wr; n > 0; n--) {
for (b = 0; b < bchans; b++) {
WpConsumer *c = m_chans[b]->m_wp_c;
unsigned char d = c ? c->get() : 0xff;
*dat++ = m_swap ? PriDriver::bitswap(d) : d;
}
}
m_span->unlock();
wr = (wr * bchans) + WP_HEADER;
XDebug("wpdata_send",DebugAll,"pre buf=%p len=%d sz=%d",m_buffer,wr,sz);
int w = wp_send(m_fd,m_buffer,wr,MSG_DONTWAIT);
XDebug("wpdata_send",DebugAll,"post w=%d",w);
if (w != wr) {
if (!m_wrError)
Debug(&__plugin,DebugWarn,"Wrote %d data bytes instead of %d on span %d [%p]",
w,wr,m_span->span(),this);
if (m_wrError < MAX_DATA_ERRORS)
m_wrError++;
}
else
m_wrError = 0;
}
}
}
WpChan::WpChan(const PriSpan *parent, int chan, unsigned int bufsize)
: PriChan(parent,chan,bufsize), m_wp_s(0), m_wp_c(0)
{
}
WpChan::~WpChan()
{
closeData();
}
bool WpChan::openData(const char* format, int echoTaps)
{
if (echoTaps)
Debug(DebugWarn,"Echo cancellation requested but not available in wanpipe");
m_span->lock();
setSource(new WpSource(this,format,m_bufsize));
getSource()->deref();
setConsumer(new WpConsumer(this,format,m_bufsize));
getConsumer()->deref();
m_span->unlock();
return true;
}
PriSpan* WpDriver::createSpan(PriDriver* driver, int span, int first, int chans, Configuration& cfg, const String& sect)
{
Debug(this,DebugAll,"WpDriver::createSpan(%p,%d,%d,%d) [%p]",driver,span,first,chans,this);
int netType = -1;
int swType = -1;
int dchan = -1;
netParams(cfg,sect,chans,&netType,&swType,&dchan);
String card;
card << "wanpipe" << span;
card = cfg.getValue(sect,"card",card);
String dev;
dev << "w" << span << "g1";
pri* p = wp_create(card,cfg.getValue(sect,"dgroup",dev),netType,swType);
if (!p)
return 0;
WpSpan *ps = new WpSpan(p,driver,span,first,chans,dchan,cfg,sect,(HANDLE)::pri_fd(p));
ps->startup();
dev.clear();
dev << "w" << span << "g2";
WpData* dat = new WpData(ps,card,cfg.getValue(sect,"bgroup",dev),cfg,sect);
dat->startup();
return ps;
}
PriChan* WpDriver::createChan(const PriSpan* span, int chan, unsigned int bufsize)
{
Debug(this,DebugAll,"WpDriver::createChan(%p,%d,%u) [%p]",span,chan,bufsize,this);
return new WpChan(span,chan,bufsize);
}
WpDriver::WpDriver()
: PriDriver("wp")
{
Output("Loaded module Wanpipe");
}
WpDriver::~WpDriver()
{
Output("Unloading module Wanpipe");
}
void WpDriver::initialize()
{
Output("Initializing module Wanpipe");
init("wpchan");
}
#endif // 0
}; // anonymous namespace
#endif /* _WINDOWS */
/* vi: set ts=8 sw=4 sts=4 noet: */

92
modules/ysigchan.cpp Normal file
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@ -0,0 +1,92 @@
/**
* ysigchan.cpp
* This file is part of the YATE Project http://YATE.null.ro
*
* Yet Another Signalling Channel
*
* Yet Another Telephony Engine - a fully featured software PBX and IVR
* Copyright (C) 2004-2006 Null Team
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* 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. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include <yatephone.h>
#include <yatess7.h>
using namespace TelEngine;
namespace { // anonymous
class SigDriver : public Driver
{
public:
SigDriver();
~SigDriver();
virtual void initialize();
virtual bool msgExecute(Message& msg, String& dest);
inline SignallingEngine* engine() const
{ return m_engine; }
private:
void buildStack();
SignallingEngine* m_engine;
};
static SigDriver plugin;
bool SigDriver::msgExecute(Message& msg, String& dest)
{
Debug(this,DebugStub,"Signalling call!");
return false;
}
SigDriver::SigDriver()
: Driver("ss7","fixchans"), m_engine(0)
{
Output("Loaded module Signalling Channel");
}
SigDriver::~SigDriver()
{
Output("Unloading module Signalling Channel");
}
void SigDriver::buildStack()
{
m_engine = new SignallingEngine;
NamedList ifdefs("WpInterface");
ifdefs.addParam("card","wanpipe9");
ifdefs.addParam("device","w9g1");
SignallingInterface* iface = static_cast<SignallingInterface*>(SignallingFactory::build(ifdefs,&ifdefs));
if (!iface) {
Debug(this,DebugGoOn,"Failed to create interface '%s'",ifdefs.c_str());
return;
}
SS7MTP2* link = new SS7MTP2;
m_engine->insert(link);
link->SignallingReceiver::attach(iface);
m_engine->start("SS7test",Thread::Normal,20000);
iface->control(SignallingInterface::Enable);
}
void SigDriver::initialize()
{
Output("Initializing module Signalling Channel");
setup();
if (!m_engine)
buildStack();
}
}; // anonymous namespace
/* vi: set ts=8 sw=4 sts=4 noet: */