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gr_esb_bridge.cpp
514 lines | 18.0 KiB | text/x-c | CppLexer
/*------------------------------------------------------------------------------
-- This file is a part of the SocExplorer Software
-- Copyright (C) 2014, Plasma Physics Laboratory - CNRS
--
-- 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 3 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-------------------------------------------------------------------------------*/
/*-- Author : Alexis Jeandet
-- Mail : alexis.jeandet@member.fsf.org
----------------------------------------------------------------------------*/
#include "gr_esb_bridge.h"
#include "gr_esb_ui.h"
#include <unistd.h>
#include "spw.h"
#include <socexplorerengine.h>
GR_ESB_bridge::GR_ESB_bridge(socexplorerplugin *parent) :
abstractSpwBridge(parent)
{
this->p_GUI = new GR_ESB_ui();
this->manager = new GR_ESB_Manager(parent,this);
connect((GR_ESB_ui*)(this->p_GUI),SIGNAL(ipchanged(QString)),this,SLOT(setIP(QString)));
connect((GR_ESB_ui*)(this->p_GUI),SIGNAL(vlinkchanged(QString)),this,SLOT(setVirtualLink(QString)));
connect((GR_ESB_ui*)(this->p_GUI),SIGNAL(connectClicked()),this,SLOT(toggleBridgeConnection()));
this->manager->virtualLinkIndex = 0;
this->manager->start();
}
GR_ESB_bridge::~GR_ESB_bridge()
{
this->manager->requestInterruption();
while(this->manager->isRunning());
}
void GR_ESB_bridge::toggleBridgeConnection()
{
if(this->plugin->isConnected())
{
this->disconnectBridge();
}
else
{
this->connectBridge();
}
}
bool GR_ESB_bridge::connectBridge()
{
if(this->manager->connectBridge())
{
((GR_ESB_ui*)this->p_GUI)->lock(true);
emit setConnected(true);
return true;
}
return false;
}
bool GR_ESB_bridge::disconnectBridge()
{
if(this->manager->disconnectBridge())
{
((GR_ESB_ui*)this->p_GUI)->lock(false);
emit setConnected(false);
return true;
}
return false;
}
void GR_ESB_bridge::setIP(QString ip)
{
this->manager->IP = ip;
}
void GR_ESB_bridge::setVirtualLink(QString vlink)
{
//vlink = vlink.section(,0,0);
vlink.remove("Virtual link");
bool success;
int vlinkTmp = vlink.toInt(&success);
if(success)
{
setVirtualLink(vlinkTmp);
}
}
void GR_ESB_bridge::setVirtualLink(qint32 vlink)
{
if(vlink<6 && vlink>=0)
{
this->manager->virtualLinkIndex = vlink;
}
}
unsigned int GR_ESB_bridge::Write(unsigned int *Value, unsigned int count, unsigned int address)
{
char writeBuffer[RMAP_WRITE_PACKET_MIN_SZ((RMAP_MAX_XFER_SIZE*4))];
char *RMAPAckBuff;
int transactionID = 0;
int written=0;
SocExplorerEngine::message(this->plugin,"Enter Write function",2);
QProgressBar* progress=NULL;
SocExplorerAutoProgressBar autopb;
if(count>RMAP_MAX_XFER_SIZE)
{
progress= SocExplorerEngine::getProgressBar("Writing on SPW @0x"+QString::number(address,16)+" %v of "+QString::number(count)+" words ",count);
autopb.setProgressBar(progress);
}
//Quite stupide loop, I guess that I always get the number of byte I asked for!
while(count>=RMAP_MAX_XFER_SIZE)
{
for(int i=0;i<(RMAP_MAX_XFER_SIZE);i++)
{
writeBuffer[RMAP_WRITE_HEADER_MIN_SZ+(i*4)+0] = (char)(((unsigned int)Value[i+written]>>24)&0xFF);
writeBuffer[RMAP_WRITE_HEADER_MIN_SZ+(i*4)+1] = (char)(((unsigned int)Value[i+written]>>16)&0xFF);
writeBuffer[RMAP_WRITE_HEADER_MIN_SZ+(i*4)+2] = (char)(((unsigned int)Value[i+written]>>8)&0xFF);
writeBuffer[RMAP_WRITE_HEADER_MIN_SZ+(i*4)+3] = (char)(((unsigned int)Value[i+written])&0xFF);
}
transactionID=manager->getRMAPtransactionID();
SocExplorerEngine::message(this->plugin,QString("Sending Write request with ID=%1").arg(transactionID),2);
RMAP_build_tx_request_header(
this->manager->destinationLogicalAddress,
this->manager->destinationKey,
this->manager->sourceLogicalAddress,
transactionID,
address+(written*4),
RMAP_MAX_XFER_SIZE*4,
writeBuffer);
manager->sendPacket(writeBuffer,RMAP_WRITE_PACKET_MIN_SZ(RMAP_MAX_XFER_SIZE*4));
manager->getRMAPanswer(transactionID,&RMAPAckBuff);
free(RMAPAckBuff);
written+=RMAP_MAX_XFER_SIZE;
count-=RMAP_MAX_XFER_SIZE;
progress->setValue(written);
qApp->processEvents();
}
if(count>0)
{
for(int i=0;i<((int)count);i++)
{
writeBuffer[RMAP_WRITE_HEADER_MIN_SZ+(i*4)+0] = (char)(((unsigned int)Value[i+written]>>24)&0xFF);
writeBuffer[RMAP_WRITE_HEADER_MIN_SZ+(i*4)+1] = (char)(((unsigned int)Value[i+written]>>16)&0xFF);
writeBuffer[RMAP_WRITE_HEADER_MIN_SZ+(i*4)+2] = (char)(((unsigned int)Value[i+written]>>8)&0xFF);
writeBuffer[RMAP_WRITE_HEADER_MIN_SZ+(i*4)+3] = (char)(((unsigned int)Value[i+written])&0xFF);
}
transactionID=manager->getRMAPtransactionID();
SocExplorerEngine::message(this->plugin,QString("Sending Write request with ID=%1").arg(transactionID),2);
RMAP_build_tx_request_header(
this->manager->destinationLogicalAddress,
this->manager->destinationKey,
this->manager->sourceLogicalAddress,
transactionID,
address+(written*4),
count*4,
writeBuffer);
manager->sendPacket(writeBuffer,RMAP_WRITE_PACKET_MIN_SZ(count*4));
manager->getRMAPanswer(transactionID,&RMAPAckBuff);
free(RMAPAckBuff);
written+=count;
if(progress!=NULL)
{
progress->setValue(written);
qApp->processEvents();
}
}
return written;
}
unsigned int GR_ESB_bridge::Read(unsigned int *Value, unsigned int count, unsigned int address)
{
char requestBuffer[RMAP_READ_HEADER_MIN_SZ];
char* RMAP_AnswerBuffer;
requestBuffer[0]=this->manager->linkNumber;//Link number
int transactionID = 0;
int read=0;
QProgressBar* progress=NULL;
SocExplorerAutoProgressBar autopb;
if(count>RMAP_MAX_XFER_SIZE)
{
progress= SocExplorerEngine::getProgressBar("Reading on SPW @0x"+QString::number(address,16)+" %v of "+QString::number(count)+" words ",count);
autopb.setProgressBar(progress);
}
SocExplorerEngine::message(this->plugin,QString("Enter read function, count=%1, RMAP_MAX_XFER_SIZE=%2").arg(count).arg(RMAP_MAX_XFER_SIZE),2);
//Quite stupide loop, I guess that I always get the number of byte I asked for!
while((int)count>=(int)RMAP_MAX_XFER_SIZE)
{
transactionID = manager->getRMAPtransactionID();
SocExplorerEngine::message(this->plugin,QString("New transactionID:%1").arg(transactionID),2);
RMAP_build_rx_request_header(
this->manager->destinationLogicalAddress,
this->manager->destinationKey,
this->manager->sourceLogicalAddress,
transactionID,
address+(read*4),
RMAP_MAX_XFER_SIZE*4,
requestBuffer);
manager->sendPacket(requestBuffer,RMAP_READ_HEADER_MIN_SZ);
int len=manager->getRMAPanswer(transactionID,&RMAP_AnswerBuffer);
if(len==-1)
{
this->toggleBridgeConnection();
return 0;
}
for(int i=0;i<((len-13)/4);i++)
{
Value[read+i] = 0x0FF & ((unsigned int)RMAP_AnswerBuffer[(4*i)+12]);
Value[read+i] = (Value[read+i]<<8) + (0x0FF & ((unsigned int)RMAP_AnswerBuffer[(4*i)+13]));
Value[read+i] = (Value[read+i]<<8) + (0x0FF & ((unsigned int)RMAP_AnswerBuffer[(4*i)+14]));
Value[read+i] = (Value[read+i]<<8) + (0x0FF & ((unsigned int)RMAP_AnswerBuffer[(4*i)+15]));
}
free(RMAP_AnswerBuffer);
read+=RMAP_MAX_XFER_SIZE;
count-=RMAP_MAX_XFER_SIZE;
if(progress!=NULL)
{
progress->setValue(read);
qApp->processEvents();
}
}
if((int)count>0)
{
transactionID = manager->getRMAPtransactionID();
SocExplorerEngine::message(this->plugin,QString("New transactionID: %1").arg(transactionID),2);
SocExplorerEngine::message(this->plugin,QString("Building request with:"),2);
SocExplorerEngine::message(this->plugin,QString("Address = %1").arg(address+(read*4),8,16),2);
SocExplorerEngine::message(this->plugin,QString("Size = %1").arg(count*4),2);
SocExplorerEngine::message(this->plugin,QString("Size + 13 = %1").arg((count*4)+13),2);
RMAP_build_rx_request_header(
this->manager->destinationLogicalAddress,
this->manager->destinationKey,
this->manager->sourceLogicalAddress,
transactionID,
address+(read*4),
count*4,
requestBuffer);
manager->sendPacket(requestBuffer,RMAP_READ_HEADER_MIN_SZ);
int len=manager->getRMAPanswer(transactionID,&RMAP_AnswerBuffer);
if(len==-1)
{
this->toggleBridgeConnection();
return 0;
}
for(int i=0;i<((len-13)/4);i++)
{
Value[read+i] = 0x0FF & ((unsigned int)RMAP_AnswerBuffer[(4*i)+12]);
Value[read+i] = (Value[read+i]<<8) + (0x0FF & ((unsigned int)RMAP_AnswerBuffer[(4*i)+13]));
Value[read+i] = (Value[read+i]<<8) + (0x0FF & ((unsigned int)RMAP_AnswerBuffer[(4*i)+14]));
Value[read+i] = (Value[read+i]<<8) + (0x0FF & ((unsigned int)RMAP_AnswerBuffer[(4*i)+15]));
}
free(RMAP_AnswerBuffer);
read+=count;
if(progress!=NULL)
{
progress->setValue(read);
qApp->processEvents();
}
}
return read;
}
int GR_ESB_bridge::pushRMAPPacket(char *packet, int size)
{
return this->manager->sendPacket(packet,size);
}
GR_ESB_Manager::GR_ESB_Manager(socexplorerplugin *plugin, QObject *parent)
:abstractSpwManager(plugin, parent)
{
this->sourceLogicalAddress=32;
this->destinationLogicalAddress=254;
this->destinationKey=2;
connect(&(this->Read_soc),SIGNAL(readyRead()),this,SLOT(readyRead()));
}
GR_ESB_Manager::~GR_ESB_Manager()
{
}
void GR_ESB_Manager::__processPacket(packetBuffer_t *packet)
{
if(packet->complete)
{
if(packet->buffer[1]==(char)SPW_PROTO_ID_RMAP) //RMAP packet
{
RMAP_Answer* RMapPacket;
SocExplorerEngine::message(this->plugin,"Got RMAP packet",2);
SocExplorerEngine::message(this->plugin,QString("Rmap packet size %1").arg(packet->PacketLen),2);
char* packetbuffer = (char*)malloc(packet->PacketLen);
if(packetbuffer)
{
memcpy(packetbuffer,packet->buffer,packet->PacketLen);
this->handleMutex->unlock();
if(packet->PacketLen==8)
{
RMapPacket=new RMAP_Answer(RMAP_get_transactionID(packetbuffer),packetbuffer,packet->PacketLen);
}
else
{
RMapPacket=new RMAP_Answer(RMAP_get_transactionID(packetbuffer),packetbuffer,packet->PacketLen);
}
RMAP_AnswersMtx->lock();
RMAP_Answers.append(RMapPacket);
RMAP_AnswersMtx->unlock();
RMAP_AnswersSem->release();
}
}
else //any non-rmap packet will be pushed to the network
{
char* packetbuffer = (char*)malloc(packet->PacketLen);
if(packetbuffer)
{
memcpy(packetbuffer,packet->buffer,packet->PacketLen);
emit emitPacket(packetbuffer,packet->PacketLen);
SocExplorerEngine::message(this->plugin,"Got SPW packet",2);
}
}
}
}
QByteArray GR_ESB_Manager::__processData(const QByteArray &data, packetBuffer_t *buffer)
{
if(buffer->complete)
{
if(Q_UNLIKELY(data.size()<=4))
return data;
buffer->PacketLen= ((int)data.at(3)& 0x0FF) + (((int)data.at(2)& 0x0FF)<<8) + (((int)data.at(1)& 0x0FF)<<16);
if(buffer->PacketLen>(data.size()-4))
{
memcpy(buffer->buffer,data.data()+4,data.size()-4);
buffer->complete=false;
buffer->index=data.size()-4;
}
else
{
memcpy(buffer->buffer,data.data()+4,data.size()-4);
buffer->PacketLen = data.size()-4;
buffer->index=data.size()-4;
buffer->complete=true;
__processPacket(buffer);
int len = buffer->PacketLen;
buffer->PacketLen = 0;
buffer->index=0;
if((data.size()-4-len))
{
return __processData(data.right((data.size()-4-len)),buffer);
}
}
}
else
{
if(buffer->PacketLen>(data.size()+buffer->index))
{
memcpy(buffer->buffer+buffer->index,data.data(),data.size());
buffer->complete=false;
buffer->index+=data.size();
}
else
{
memcpy(buffer->buffer+buffer->index,data.data(),buffer->PacketLen-buffer->index);
buffer->complete=true;
buffer->index+=data.size();
__processPacket(buffer);
int len = buffer->PacketLen;
buffer->PacketLen = 0;
buffer->index=0;
if((data.size()-len))
{
return __processData(data.right((data.size()-len)),buffer);
}
}
}
return QByteArray();
}
void GR_ESB_Manager::run()
{
char bufferData[(RMAP_MAX_XFER_SIZE*4)+50];
packetBuffer_t buffer={bufferData,0,0,true};
SocExplorerEngine::message(this->plugin,"Starting GRESB pooling thread",1);
QByteArray data;
while (!this->isInterruptionRequested())
{
if(this->connected)
{
SocExplorerEngine::message(this->plugin,"Looking for new RMAP packets",8);
if(!incomingPackets.isEmpty())
{
incomingPacketsMutex.lock();
data.append(incomingPackets.dequeue());
this->incomingPacketsMutex.unlock();
data = __processData(data,&buffer);
}
}
else
{
//do some sanity checks!
usleep(RMAPtimeout/2);
}
usleep(1000);
}
SocExplorerEngine::message(this->plugin,"Exiting Startdundee USB pooling thread",1);
}
bool GR_ESB_Manager::connectBridge()
{
int timeout=60;
this->connected = false;
if(this->Read_soc.state()==QTcpSocket::UnconnectedState)
{
this->Read_soc.connectToHost(IP,gresb_Conf[virtualLinkIndex].Receive_port);
this->Read_soc.waitForConnected(30000);
}
if(this->Write_soc.state()==QTcpSocket::UnconnectedState)
{
this->Write_soc.connectToHost(IP,gresb_Conf[virtualLinkIndex].Transmit_port);
this->Write_soc.waitForConnected(30000);
}
while((this->Read_soc.state()!=QTcpSocket::ConnectedState) && (this->Write_soc.state()!=QTcpSocket::ConnectedState))
{
usleep(100000);
if(timeout--==0)return false;
}
this->connected = true;
return true;
}
bool GR_ESB_Manager::disconnectBridge()
{
int timeout=60;
if(this->Read_soc.state()!=QTcpSocket::UnconnectedState)
{
this->Read_soc.disconnectFromHost();
this->Read_soc.waitForDisconnected(30000);
}
if(this->Write_soc.state()!=QTcpSocket::UnconnectedState)
{
this->Write_soc.disconnectFromHost();
this->Write_soc.waitForDisconnected(30000);
}
while((this->Read_soc.state()!=QTcpSocket::UnconnectedState) && (this->Write_soc.state()!=QTcpSocket::UnconnectedState))
{
usleep(100000);
if(timeout--==0)return false;
}
return true;
}
bool GR_ESB_Manager::sendPacket(char *packet, int size)
{
bool result = false;
char protocoleIdentifier;
SocExplorerEngine::message(this->plugin,"Sending SPW packet",2);
if(Q_UNLIKELY(this->Write_soc.state()!=QAbstractSocket::ConnectedState))
{
SocExplorerEngine::message(this->plugin,"Socket closed",2);
//TODO handle disconnection
}
char* SPWpacket = (char*)malloc(size+4);
if(SPWpacket!=NULL)
{
SPWpacket[0]=0; //Protocol = spw
memcpy(SPWpacket+4,packet,size);
SPWpacket[1]=(size>>16) & 0x0FF;
SPWpacket[2]=(size>>8) & 0x0FF;
SPWpacket[3]=size & 0x0FF;
this->handleMutex->lock();
result = ((size+4) == this->Write_soc.write(SPWpacket,size+4));
this->Write_soc.flush();
this->handleMutex->unlock();
free(SPWpacket);
}
if (Q_UNLIKELY(!result))
{
SocExplorerEngine::message(this->plugin,"ERR sending the READ command ",2);
return false;
}
else
{
emit bytesTransmittedToSpw( size-1 ); // -1 is for removing the first bytes added to the packet to route to the right link
// read the protocole identifier
protocoleIdentifier = packet[2];
if (protocoleIdentifier == SPW_PROTO_ID_CCSDS)
emit ccsdsPacketTransmittedToSpw();
SocExplorerEngine::message(this->plugin,"Packet sent",2);
}
return true;
}
void GR_ESB_Manager::readyRead()
{
incomingPacketsMutex.lock();
incomingPackets.append(Read_soc.readAll());
incomingPacketsMutex.unlock();
}