minor fix to batched initial download in case requester has more than 500 block non-main branch

This commit is contained in:
s_nakamoto 2009-11-24 21:04:50 +00:00
parent e4db374421
commit 70918a6645
3 changed files with 24 additions and 3 deletions

View File

@ -1960,8 +1960,8 @@ bool ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv)
// Send the rest of the chain
if (pindex)
pindex = pindex->pnext;
printf("getblocks %d to %s\n", (pindex ? pindex->nHeight : -1), hashStop.ToString().substr(0,16).c_str());
int nLimit = 500;
int nLimit = 500 + locator.GetDistanceBack();
printf("getblocks %d to %s limit %d\n", (pindex ? pindex->nHeight : -1), hashStop.ToString().substr(0,16).c_str(), nLimit);
for (; pindex; pindex = pindex->pnext)
{
if (pindex->GetBlockHash() == hashStop)

21
main.h
View File

@ -1298,6 +1298,27 @@ public:
vHave.push_back(hashGenesisBlock);
}
int GetDistanceBack()
{
// Retrace how far back it was in the sender's branch
int nDistance = 0;
int nStep = 1;
foreach(const uint256& hash, vHave)
{
map<uint256, CBlockIndex*>::iterator mi = mapBlockIndex.find(hash);
if (mi != mapBlockIndex.end())
{
CBlockIndex* pindex = (*mi).second;
if (pindex->IsInMainChain())
return nDistance;
}
nDistance += nStep;
if (nDistance > 10)
nStep *= 2;
}
return nDistance;
}
CBlockIndex* GetBlockIndex()
{
// Find the first block the caller has in the main chain

View File

@ -20,7 +20,7 @@ class CDataStream;
class CAutoFile;
static const int VERSION = 106;
static const char* pszSubVer = " linux-test8";
static const char* pszSubVer = " linux-test9";