void CMsregPacketHeader::ReadDataFromFile(CFile& cfFile, DWORD& dwChecksum)
{
// Read inherited data.
CMsregPacket::ReadDataFromFile(cfFile, dwChecksum);
// Read customer ID.
m_csCustomerId = ReadString(cfFile, dwChecksum);
// Read packet count.
DWORD dwPackets = ReadDword(cfFile, dwChecksum);
// Read packets.
DeleteAllPackets();
for (DWORD i = 0; i < dwPackets; i++)
{
AddPacket(ReadPacket(cfFile));
}
}
static unsigned DoAccess( void )
{
unsigned left;
unsigned len;
unsigned i;
unsigned piece;
_DBG_EnterFunc( "DoAccess()" );
_DBG_Writeln( "StartPacket" );
StartPacket();
if( Out_Mx_Num == 0 ) {
/* Tell the server we're not expecting anything back */
*(access_req *)In_Mx_Ptr[0].ptr |= 0x80;
}
for( i = 0; i < In_Mx_Num; ++i ) {
_DBG_Writeln( "AddPacket" );
AddPacket( In_Mx_Ptr[i].len, In_Mx_Ptr[i].ptr );
}
*(access_req *)In_Mx_Ptr[0].ptr &= ~0x80;
_DBG_Writeln( "PutPacket" );
PutPacket();
if( Out_Mx_Num != 0 ) {
_DBG_Writeln( "GetPacket" );
len = GetPacket();
left = len;
for( i = 0; i < Out_Mx_Num && left > 0; ++i ) {
if( left > Out_Mx_Ptr[i].len ) {
piece = Out_Mx_Ptr[i].len;
} else {
piece = left;
}
_DBG_Writeln( "RemovePacket" );
RemovePacket( piece, Out_Mx_Ptr[i].ptr );
left -= piece;
}
} else {
len = 0;
left = 0;
}
_DBG_ExitFunc( "DoAccess()" );
return( len - left );
}
static trap_elen DoAccess( void )
{
trap_elen left;
trap_elen len;
trap_elen i;
trap_elen piece;
_DBG_EnterFunc( "DoAccess()" );
_DBG_Writeln( "StartPacket" );
StartPacket();
if( Out_Mx_Num == 0 ) {
/* Tell the server we're not expecting anything back */
TRP_REQUEST( In_Mx_Ptr ) |= 0x80;
}
for( i = 0; i < In_Mx_Num; ++i ) {
_DBG_Writeln( "AddPacket" );
AddPacket( In_Mx_Ptr[i].ptr, In_Mx_Ptr[i].len );
}
TRP_REQUEST( In_Mx_Ptr ) &= ~0x80;
_DBG_Writeln( "PutPacket" );
PutPacket();
if( Out_Mx_Num != 0 ) {
_DBG_Writeln( "GetPacket" );
len = GetPacket();
left = len;
for( i = 0; i < Out_Mx_Num && left > 0; ++i ) {
if( left > Out_Mx_Ptr[i].len ) {
piece = Out_Mx_Ptr[i].len;
} else {
piece = left;
}
_DBG_Writeln( "RemovePacket" );
RemovePacket( Out_Mx_Ptr[i].ptr, piece );
left -= piece;
}
} else {
len = 0;
left = 0;
}
_DBG_ExitFunc( "DoAccess()" );
return( len - left );
}
Startup::~Startup() {
AddPacket(0);
SendTo(GetCurrentProcess()->GetName());
}
void CRecordingBuffer::Update()
{
SRecording_FrameData packet;
packet.frametime = gEnv->pTimer->GetFrameStartTime().GetSeconds();
AddPacket(packet);
}
void Optimise_Plc(PLC *plc)
{
TAG *btag=NULL; // Base Tag for optimized Packet
PACKET *packet=NULL;
int bfindex=0,findex=0,bfunc=0,func=0;
int MaxRealPacketSize=50;
int MaxEltByPacket=MaxRealPacketSize;
TrieChListe(&(plc->Tags),&compare_plc);
LISTE *tags=&(plc->Tags);
LISTE *packets=&(plc->Packets);
Log(LOG_DEBUG,"Optimise Plc: %s (%d Tags)\n",plc->PlcName,tags->Count);
ELEMENT *elt=GetFirst(tags);
while (elt!=NULL)
{
if (btag==NULL)
{
btag=elt->Data;
bfindex=_MBGetC_F_Index(btag->Address);
//bfunc=_MBGetC_F_Index(btag->Address);
bfunc=FTable[bfindex].Read_Function;
elt=GetNext(tags,elt);
continue;
} else
{
TAG *tag=elt->Data;
findex=_MBGetC_F_Index(btag->Address);
//func=_MBGetC_F_Index(tag->Address);
func=FTable[findex].Read_Function;
if ((bfunc==func)&&(_MBGetAddress(btag->Address)+MaxEltByPacket>=_MBGetAddress(tag->Address)))
{
if (packet==NULL) // create a new packet
{
packet=malloc(sizeof(PACKET));
if (packet!=NULL) // new packet
{
AddChListe(packets,packet);
memset(packet,0,sizeof(PACKET));
AddPacket(packet,btag); // base tag
memcpy(packet->BaseAddress,btag->Address,sizeof(packet->BaseAddress));
RemoveChListe(tags,btag);
} else Log(LOG_CRIT,"Optimise_Plc : Unable to allocate memory: %s\n",strerror(errno));
};
if (packet!=NULL) // add to actual packet
{
AddPacket(packet,tag);
tag->Index=_MBGetAddress(tag->Address)-_MBGetAddress(btag->Address);//-1;
elt=GetNext(tags,elt);
RemoveChListe(tags,tag);
packet->NumElt=_MBGetAddress(tag->Address)-_MBGetAddress(btag->Address)+_MBGetDataSize(FTable[findex].DataType);
continue;
}
} else
{
btag=NULL; // if not, there is no possibility of optimization
packet=NULL;
continue;
}
elt=GetNext(tags,elt);
}
}
}
RTPPacket* FECDecoder::Recover()
{
BYTE aux[8];
QWORD lostMask = 0;
//Check we have media pacekts
if (!medias.size())
//Exit
return NULL;
//Get First packet
RTPPacket* first = medias.begin()->second;
//Get the SSRC
DWORD ssrc = first->GetSSRC();
//Get first media packet
DWORD minSeq = first->GetExtSeqNum();
//Iterator on seq
DWORD lastSeq = minSeq;
//Set to 0
memset(aux,0,8);
//Create writter
BitWritter w(aux,8);
//vector of lost pacekt seq
std::vector<DWORD> losts;
//For each media packet
for (RTPOrderedPackets::iterator it=medias.begin();it!=medias.end();++it)
{
//Get seq
DWORD cur = it->first;
//Insert lost
for (DWORD i=lastSeq+1;i<cur;++i)
{
//set mask bit to not present
w.Put(1,0);
//Add to the vecotr
losts.push_back(i);
}
//Set last seq
lastSeq = cur;
//set mask bit to present
w.Put(1,1);
}
//End it
w.Flush();
//Get mask
lostMask = get8(aux,0);
//Check we have lost pacekts
if (!losts.size())
//Exit
return NULL;
//For each lost packet
for(std::vector<DWORD>::iterator it=losts.begin();it!=losts.end();++it)
{
//Get lost packet sequence
DWORD seq = *it;
//Search FEC packets associated this media packet
for (FECOrderedData::iterator it2 = codes.begin();it2!=codes.end();++it2)
{
//Get FEC packet
FECData *fec = it2->second;
//Check if it is associated with this media pacekt in level 0
if (!fec->IsProtectedAtLevel0(seq))
//Next
continue;
//Get the seq difference between fec data and the media
// fec seq has to be <= media seq it fec data protect media data)
DWORD diff = seq-fec->GetBaseExtSeq();
//Shit mask of the lost packets to check the present ones from the base seq
QWORD mediaMask = lostMask << (fec->GetBaseExtSeq()-minSeq);
//Remove lost packet bit from the fec mask
QWORD fecMask = fec->GetLevel0Mask() & ~(((QWORD)1)<<(64-diff-1));
//Compare needed pacekts with actual pacekts, to check if we have all of them except the missing
if ((fecMask & mediaMask) == fecMask)
{
//Rocovered media data
BYTE recovered[MTU+SRTP_MAX_TRAILER_LEN] ZEROALIGNEDTO32;
//Get attributes
bool p = fec->GetRecoveryP();
bool x = fec->GetRecoveryX();
BYTE cc = fec->GetRecoveryCC();
bool m = fec->GetRecoveryM();
BYTE pt = fec->GetRecoveryType();
DWORD ts = fec->GetRecoveryTimestamp();
WORD l = fec->GetRecoveryLength();
//Get protection length
DWORD level0Size = fec->GetLevel0Size();
//Ensure there is enought size
if (level0Size>MTU)
{
//Error
Error("-FEC level 0 data size too big [%d]\n",level0Size);
//Skip this one
continue;
}
//Copy data
memcpy(recovered,fec->GetLevel0Data(),level0Size);
//Set value in temp buffer
set8(aux,0,fecMask);
//Get bit reader
BitReader r(aux,8);
//Read all media packet
while(r.Left())
{
//If the media packet is used to reconstrud the packet
if (r.Get(1))
{
//Get media packet
RTPPacket* media = medias[fec->GetBaseExtSeq()+r.GetPos()-1];
//Calculate receovered attributes
p ^= media->GetP();
x ^= media->GetX();
cc ^= media->GetCC();
m ^= media->GetMark();
pt ^= media->GetType();
ts ^= media->GetTimestamp();
l ^= media->GetMediaLength();
//Get data
BYTE *payload = media->GetMediaData();
//Calculate the xor
for (int i=0;i<fmin(media->GetMediaLength(),level0Size);++i)
//XOR
recovered[i] ^= payload[i];
}
}
//Create new video packet
RTPPacket* packet = new RTPPacket(MediaFrame::Video,pt);
//Set values
packet->SetP(p);
packet->SetX(x);
packet->SetMark(m);
packet->SetTimestamp(ts);
//Set sequence number
packet->SetSeqNum(seq);
//Set seq cycles
packet->SetSeqCycles(fec->GetBaseSeqCylcles());
//Set ssrc
packet->SetSSRC(ssrc);
//Set payload and recovered length
if (!packet->SetPayloadWithExtensionData(recovered,l))
{
//Delete packet
delete(packet);
//Error
Error("-FEC payload of recovered packet to big [%u]\n",(unsigned int)l);
//Skip
continue;
}
Debug("-recovered packet len:%u ts:%u pts:%u seq:%d\n",l,ts,packet->GetTimestamp() ,packet->GetSeqNum());
//Append the packet to the media packet list
if (AddPacket(packet))
//Return it if contained media
return packet;
else
//Discard and continue
delete(packet);
}
}
}
//Nothing found
return NULL;
}
unsigned ReqProg_load( void )
{
char buffer[160];
char *src;
char *dst;
char *name;
char *endparm;
char *err;
tiny_ret_t rc;
prog_load_ret *ret;
unsigned_16 len;
SaveVectors( OrigVectors );
_DBG_EnterFunc( "AccLoadProg()" );
ret = GetOutPtr( 0 );
src = name = GetInPtr( sizeof( prog_load_req ) );
rc = FindFilePath( src, buffer, DosXExtList );
endparm = LinkParm;
while( *endparm++ != '\0' ) {} // skip program name
strcpy( endparm, buffer );
err = RemoteLink( LinkParm, 0 );
if( err != NULL ) {
_DBG_Writeln( "Can't RemoteLink" );
TinyWrite( TINY_ERR, err, strlen( err ) );
LoadError = err;
ret->err = 1;
len = 0;
} else {
if( TINY_OK( rc ) ) {
while( *src++ != '\0' ) {}
len = GetTotalSize() - ( src - name ) - sizeof( prog_load_req );
dst = (char *)buffer;
while( *dst++ != '\0' ) {};
memcpy( dst, src, len );
dst += len;
_DBG_Writeln( "StartPacket" );
StartPacket();
_DBG_Writeln( "AddPacket" );
AddPacket( sizeof( prog_load_req ), In_Mx_Ptr[0].ptr );
_DBG_Writeln( "AddPacket" );
AddPacket( dst - buffer, buffer );
_DBG_Writeln( "PutPacket" );
PutPacket();
_DBG_Writeln( "GetPacket" );
len = GetPacket();
_DBG_Writeln( "RemovePacket" );
RemovePacket( sizeof( *ret ), ret );
} else {
len = DoAccess();
}
_DBG_Writeln( "Linked --" );
if( ret->err != 0 ) {
get_err_text_req erracc;
prog_kill_req killacc;
int msg_len;
_DBG_Writeln( "loadret->errcode != 0" );
if( LoadError == NULL ) {
_DBG_Writeln( "making a REQ_GET_ERR_TEXT request" );
erracc.req = REQ_GET_ERR_TEXT;
erracc.err = ret->err;
_DBG_Writeln( "StartPacket" );
StartPacket();
_DBG_Writeln( "AddPacket" );
AddPacket( sizeof( erracc ), &erracc );
_DBG_Writeln( "PutPacket" );
PutPacket();
_DBG_Writeln( "GetPacket" );
msg_len = GetPacket();
_DBG_Writeln( "RemovePacket" );
RemovePacket( msg_len, FailMsg );
_DBG_Write( "FailMsg : " );
_DBG_NoTabWriteln( FailMsg );
LoadError = FailMsg;
}
_DBG_Writeln( "making a REQ_PROG_KILL request" );
killacc.req = REQ_PROG_KILL;
_DBG_Writeln( "StartPacket" );
StartPacket();
_DBG_Writeln( "AddPacket" );
AddPacket( sizeof( killacc ), &killacc );
_DBG_Writeln( "PutPacket" );
PutPacket();
_DBG_Writeln( "GetPacket" );
GetPacket();
//RemovePacket( msg_len, &erracc );
RemoteUnLink();
TaskLoaded = FALSE;
}
}
if( ret->err == 0 ) {
_DBG_Writeln( "loadret->error_code == 0" );
TaskLoaded = TRUE;
}
SaveVectors( LoadVectors );
SaveVectors( CurrVectors );
_DBG_ExitFunc( "AccLoadProg()" );
return( len );
}
trap_retval ReqProg_load( void )
{
char buffer[160];
char *src;
char *dst;
char *name;
char *endparm;
const char *err;
tiny_ret_t rc;
prog_load_ret *ret;
trap_elen len;
SaveVectors( OrigVectors );
_DBG_EnterFunc( "AccLoadProg()" );
ret = GetOutPtr( 0 );
src = name = GetInPtr( sizeof( prog_load_req ) );
rc = FindProgFile( src, buffer, DosExtList );
endparm = LinkParms;
while( *endparm++ != '\0' ) {} // skip trap parameters
strcpy( endparm, buffer ); // add command line
// result is as follow
// "trap parameters string"+"\0"+"command line string"+"\0"
err = RemoteLink( LinkParms, false );
if( err != NULL ) {
_DBG_Writeln( "Can't RemoteLink" );
TinyWrite( TINY_ERR, err, strlen( err ) );
LoadError = err;
ret->err = 1;
len = 0;
} else {
if( TINY_OK( rc ) ) {
while( *src++ != '\0' ) {}
len = GetTotalSize() - ( src - name ) - sizeof( prog_load_req );
dst = (char *)buffer;
while( *dst++ != '\0' ) {};
memcpy( dst, src, len );
dst += len;
_DBG_Writeln( "StartPacket" );
StartPacket();
_DBG_Writeln( "AddPacket" );
AddPacket( In_Mx_Ptr[0].ptr, sizeof( prog_load_req ) );
_DBG_Writeln( "AddPacket" );
AddPacket( buffer, dst - buffer );
_DBG_Writeln( "PutPacket" );
PutPacket();
_DBG_Writeln( "GetPacket" );
len = GetPacket();
_DBG_Writeln( "RemovePacket" );
RemovePacket( ret, sizeof( *ret ) );
} else {
len = DoAccess();
}
_DBG_Writeln( "Linked --" );
if( ret->err != 0 ) {
get_err_text_req erracc;
prog_kill_req killacc;
trap_elen msg_len;
_DBG_Writeln( "loadret->errcode != 0" );
if( LoadError == NULL ) {
_DBG_Writeln( "making a REQ_GET_ERR_TEXT request" );
erracc.req = REQ_GET_ERR_TEXT;
erracc.err = ret->err;
_DBG_Writeln( "StartPacket" );
StartPacket();
_DBG_Writeln( "AddPacket" );
AddPacket( &erracc, sizeof( erracc ) );
_DBG_Writeln( "PutPacket" );
PutPacket();
_DBG_Writeln( "GetPacket" );
msg_len = GetPacket();
_DBG_Writeln( "RemovePacket" );
RemovePacket( FailMsg, msg_len );
_DBG_Write( "FailMsg : " );
_DBG_NoTabWriteln( FailMsg );
LoadError = FailMsg;
}
_DBG_Writeln( "making a REQ_PROG_KILL request" );
killacc.req = REQ_PROG_KILL;
_DBG_Writeln( "StartPacket" );
StartPacket();
_DBG_Writeln( "AddPacket" );
AddPacket( &killacc, sizeof( killacc ) );
_DBG_Writeln( "PutPacket" );
PutPacket();
_DBG_Writeln( "GetPacket" );
GetPacket();
//RemovePacket( &erracc, msg_len );
RemoteUnLink();
TaskLoaded = false;
}
}
if( ret->err == 0 ) {
_DBG_Writeln( "loadret->error_code == 0" );
TaskLoaded = true;
}
SaveVectors( LoadVectors );
SaveVectors( CurrVectors );
_DBG_ExitFunc( "AccLoadProg()" );
return( len );
}
//*****************************************************************************
void PACKET_STREAM::AddPacket(PACKET_HANDLER* Packet, void* Buffer)
{
AddPacket(Packet->GetId(), Packet->GetSize(), Buffer);
}
