RtpPacket * AsfReader::ReadNextRtpPacket() //读取下一个Packet ，并将其转化为RtpPacket
{
while(1)
{
BYTE* buf = ReadNextPacket();
if( buf == NULL ) return NULL;
AsfPacket* asfPack = AsfPacket::CreatePacket( buf, pHeadObj->PacketSize );
if( asfPack == NULL ) continue;
RtpPacket * pa = Packet2Rtp( asfPack );
delete asfPack;
delete[] buf;
return pa;
}
}
Core::CBlock* Miner::GetBlock(int nTimeout)
{
Packet* packet = new Packet();
packet->SetHeader(GET_BLOCK);
this->WritePacket(packet);
delete(packet);
Packet RESPONSE = ReadNextPacket(nTimeout);
if(RESPONSE.IsNull())
return NULL;
Core::CBlock* BLOCK = DeserializeBlock(RESPONSE.GetData());
ResetPacket();
return BLOCK;
}
unsigned int Miner::GetHeight(int nTimeout)
{
Packet* packet = new Packet();
packet->SetHeader((unsigned char)GET_HEIGHT);
this->WritePacket(packet);
delete(packet);
Packet RESPONSE = ReadNextPacket(nTimeout);
if(RESPONSE.IsNull())
return 0;
if(RESPONSE.GetData().size() == 0)
{
return 0;
}
unsigned int nHeight = bytes2uint(RESPONSE.GetData());
ResetPacket();
return nHeight;
}
unsigned char Miner::SubmitBlock(uint512 hashMerkleRoot, unsigned long long nNonce, int nTimeout)
{
Packet* PACKET = new Packet();
PACKET->SetHeader(SUBMIT_BLOCK);
PACKET->SetData(hashMerkleRoot.GetBytes());
std::vector<unsigned char> NONCE = uint2bytes64(nNonce);
std::vector<unsigned char> pckt = PACKET->GetData();
pckt.insert(pckt.end(), NONCE.begin(), NONCE.end());
PACKET->SetData(pckt);
PACKET->SetLength(72);
this->WritePacket(PACKET);
delete(PACKET);
Packet RESPONSE = ReadNextPacket(nTimeout);
if(RESPONSE.IsNull())
return 0;
ResetPacket();
return RESPONSE.GetHeader();
}
void RecoverState(QHLP_PAR *qhlp)
{
ISI_DL snapshot;
ISI_DL_SYS sys;
QDPLUS_PKT pkt;
struct { ISI_SEQNO seqno; UINT32 index; } beg, end;
static char *fid = "RecoverState";
/* Get the current state of the disk loop */
if (!isidlSnapshot(qhlp->input.dl, &snapshot, &sys)) {
LogMsg("%s: isidlSnapshot failed: %s", fid, strerror(errno));
Exit(MY_MOD_ID + 3);
}
/* If there isn't any preserved state, then configure to dump the entire QDP disk loop */
if (qhlp->qdplus->state != QDPLUS_STATE_OK) {
LogMsg("no valid HLP state data found, default to oldest QDP data available");
history.nxtndx = snapshot.sys->index.oldest;
history.endndx = snapshot.sys->index.yngest;
if (!VerifyIndicies(&snapshot)) Exit(MY_MOD_ID + 4);
qdplusSetLcqStateFlag(qhlp->qdplus, QDP_LCQ_STATE_PRODUCTION);
LogMsg("going into production mode with nxtndx=0x%08x, endndx=0x%08x\n", history.nxtndx, history.endndx);
return;
}
/* We have state... find the range of packets to preload */
if (!qdplusStateSeqnoLimits(qhlp->qdplus, &beg.seqno, &end.seqno)) {
LogMsg("%s: qdplusStateSeqnoLimits: %s", fid, strerror(errno));
Exit(MY_MOD_ID + 5);
}
if (isiIsUndefinedSeqno(&beg.seqno) || isiIsUndefinedSeqno(&end.seqno)) {
LogMsg("empty HLP state data found, default to oldest QDP data available");
history.nxtndx = snapshot.sys->index.oldest;
history.endndx = snapshot.sys->index.yngest;
if (!VerifyIndicies(&snapshot)) Exit(MY_MOD_ID + 6);
qdplusSetLcqStateFlag(qhlp->qdplus, QDP_LCQ_STATE_PRODUCTION);
LogMsg("going into production mode with nxtndx=0x%08x, endndx=0x%08x\n", history.nxtndx, history.endndx);
return;
}
if (!isiIsAbsoluteSeqno(&beg.seqno) || !isiIsAbsoluteSeqno(&end.seqno)) {
LogMsg("%s: unexpected non-absolute sequence numbers", fid);
Exit(MY_MOD_ID + 7);
}
beg.index = isidlSearchDiskLoopForSeqno(&snapshot, &beg.seqno, ISI_UNDEFINED_INDEX, ISI_UNDEFINED_INDEX);
LogMsg("beg.seqno = %s, beg.index = 0x%08x\n", isiSeqnoString(&beg.seqno, NULL), beg.index);
end.index = isidlSearchDiskLoopForSeqno(&snapshot, &end.seqno, ISI_UNDEFINED_INDEX, ISI_UNDEFINED_INDEX);
LogMsg("end.seqno = %s, end.index = 0x%08x\n", isiSeqnoString(&end.seqno, NULL), end.index);
/* If we can't find the desired packets (disk loop overwritten?) then start with current data */
if (!isiIsValidIndex(beg.index) || !isiIsValidIndex(end.index)) {
LogMsg("unable to locate dl indices for HLP state data, default to start with current QDP data");
history.nxtndx = snapshot.sys->index.yngest;
history.endndx = snapshot.sys->index.yngest;
if (!VerifyIndicies(&snapshot)) Exit(MY_MOD_ID + 8);
qdplusSetLcqStateFlag(qhlp->qdplus, QDP_LCQ_STATE_PRODUCTION);
LogMsg("going into production mode with nxtndx=0x%08x, endndx=0x%08x\n", history.nxtndx, history.endndx);
return;
}
/* We know where to find the data to backfill, set up reader accordingly */
history.nxtndx = beg.index;
history.endndx = end.index;
if (!VerifyIndicies(&snapshot)) Exit(MY_MOD_ID + 9);
/* Backfill the LCQ */
qdplusSetLcqStateFlag(qhlp->qdplus, QDP_LCQ_STATE_INITIALIZE);
LogMsg("recovering state with data from indicies 0x%08x through 0x%08x", history.nxtndx, history.endndx);
do {
QuitOnShutdown(MY_MOD_ID + 9);
ReadNextPacket(qhlp, &pkt);
if (qdplusProcessPacket(qhlp->qdplus, &pkt) == NULL) {
LogMsg("%s: qdplusProcessPacket failed: %s", fid, strerror(errno));
Exit(MY_MOD_ID + 10);
}
} while (history.status == DATA_AVAILABLE);
qdplusSetLcqStateFlag(qhlp->qdplus, QDP_LCQ_STATE_PRODUCTION);
LogMsg("state recovery complete");
}
