Stop processing messages on full send buffer and dont disconnect.

Also decrease default send/receive buffer sizes from 10 to 5 mb
as this patch makes it easy for a node to fill both instead of
only send.
This commit is contained in:
Matt Corallo
2012-03-21 22:10:50 -04:00
parent bcf0f41171
commit 9d6cd04b3b
4 changed files with 14 additions and 17 deletions

View File

@@ -2632,25 +2632,21 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv)
// Send the rest of the chain
if (pindex)
pindex = pindex->pnext;
int nLimit = 500 + locator.GetDistanceBack();
unsigned int nBytes = 0;
int nLimit = 500;
printf("getblocks %d to %s limit %d\n", (pindex ? pindex->nHeight : -1), hashStop.ToString().substr(0,20).c_str(), nLimit);
for (; pindex; pindex = pindex->pnext)
{
if (pindex->GetBlockHash() == hashStop)
{
printf(" getblocks stopping at %d %s (%u bytes)\n", pindex->nHeight, pindex->GetBlockHash().ToString().substr(0,20).c_str(), nBytes);
printf(" getblocks stopping at %d %s\n", pindex->nHeight, pindex->GetBlockHash().ToString().substr(0,20).c_str());
break;
}
pfrom->PushInventory(CInv(MSG_BLOCK, pindex->GetBlockHash()));
CBlock block;
block.ReadFromDisk(pindex, true);
nBytes += block.GetSerializeSize(SER_NETWORK, PROTOCOL_VERSION);
if (--nLimit <= 0 || nBytes >= SendBufferSize()/2)
if (--nLimit <= 0)
{
// When this block is requested, we'll send an inv that'll make them
// getblocks the next batch of inventory.
printf(" getblocks stopping at limit %d %s (%u bytes)\n", pindex->nHeight, pindex->GetBlockHash().ToString().substr(0,20).c_str(), nBytes);
printf(" getblocks stopping at limit %d %s\n", pindex->nHeight, pindex->GetBlockHash().ToString().substr(0,20).c_str());
pfrom->hashContinue = pindex->GetBlockHash();
break;
}
@@ -2910,6 +2906,10 @@ bool ProcessMessages(CNode* pfrom)
loop
{
// Don't bother if send buffer is too full to respond anyway
if (pfrom->vSend.size() >= SendBufferSize())
break;
// Scan for message start
CDataStream::iterator pstart = search(vRecv.begin(), vRecv.end(), BEGIN(pchMessageStart), END(pchMessageStart));
int nHeaderSize = vRecv.GetSerializeSize(CMessageHeader());