public int GetChainAfterChunk(long chunk, List <ChunkListAndChainId> chainsChunksList)
{
Chain chain;
if (!GetChain(chainId4Lookup, out chain))
{
LogUtility.LogUtility.LogFile("Cannot get chain!!!! " + Convert.ToString(chainId4Lookup), ModuleLogLevel);
CannotGetChain++;
return(-1);
}
//LogUtility.LogUtility.LogFile("chain " + Convert.ToString(ch) + " chunks " + Convert.ToString(chain.chunkIds.Length), ModuleLogLevel);
int chunk_idx;
if (!FindChunkInChain(chain.chunkIds, chunk, out chunk_idx))
{
// LogUtility.LogUtility.LogFile("Cannot find chunk!!!! " + Convert.ToString(chunkList[chunkListIdx]) + " in chain " + Convert.ToString(ch), ModuleLogLevel);
CannotFindChunkInChain++;
return(-2);
}
ChunkListAndChainId chunkListAndChainId = new ChunkListAndChainId();
chunkListAndChainId.chainId = chainId4Lookup;
chunkListAndChainId.chunks = chain.chunkIds;
chunkListAndChainId.firstChunkIdx = (uint)chunk_idx + 1;
chainsChunksList.Add(chunkListAndChainId);
return(0);
}
public int ChainMatch(List <long> chunkList, int chunkListIdx, List <ChunkListAndChainId> chainsChunksList, List <long> sentChainsList)
{
Chain chain;
uint longest_chain = 0;
int foundChainLength;
ChunkCB chunkCB;
ChunkListAndChainId chunkListAndChainId;
bool AtLeastEqualChainFound = false;
#if false
if (chunkMap.TryGetValue(chunkId, out chunkCB))
#else
if (!GetChunkCB(chunkList[chunkListIdx], out chunkCB))
#endif
{
// LogUtility.LogUtility.LogFile("Cannot get chunk " + Convert.ToString(chunkList[chunkListIdx]), LogUtility.LogLevels.LEVEL_LOG_MEDIUM);
return(-1);
}
// LogUtility.LogUtility.LogFile("****chunk to math found " + Convert.ToString(PackChunking.chunkToLen(chunkList[chunkListIdx])), ModuleLogLevel);
foreach (long ch in chunkCB.chains)
{
if (sentChainsList.Contains(ch))
{
AtLeastEqualChainFound = true;
LogUtility.LogUtility.LogFile("Chain already sent " + Convert.ToString(ch), ModuleLogLevel);
continue;
}
if (!GetChain(ch, out chain))
{
LogUtility.LogUtility.LogFile("Cannot get chain!!!! " + Convert.ToString(ch), ModuleLogLevel);
CannotGetChain++;
continue;
}
//LogUtility.LogUtility.LogFile("chain " + Convert.ToString(ch) + " chunks " + Convert.ToString(chain.chunkIds.Length), ModuleLogLevel);
int chunk_idx;
if (!FindChunkInChain(chain.chunkIds, chunkList[chunkListIdx], out chunk_idx))
{
// LogUtility.LogUtility.LogFile("Cannot find chunk!!!! " + Convert.ToString(chunkList[chunkListIdx]) + " in chain " + Convert.ToString(ch), ModuleLogLevel);
CannotFindChunkInChain++;
continue;
}
//LogUtility.LogUtility.LogFile("chunk id in chain " + Convert.ToString(chunk_idx), ModuleLogLevel);
foundChainLength = CompareChains(chunkList, chunkListIdx + 1, chain.chunkIds, chunk_idx + 1);
switch (foundChainLength)
{
case -1: /* different */
//Vadim 10/01/13 chainId4Lookup = 0;
chainId4Lookup = 0; //Vadim 28/01/13
DifferentChains++;
break;
case 0: /* match but no longer */
//LogUtility.LogUtility.LogFile("equal chain found " + Convert.ToString(longest_chain) , ModuleLogLevel);
FoundEqualChains++;
AtLeastEqualChainFound = true;
if (chainId4Lookup == 0)
{
// LogUtility.LogUtility.LogFile("equal chain found " + Convert.ToString(longest_chain), ModuleLogLevel);
chainId4Lookup = ch;
}
break;
default:
{
LongerChainsFound++;
if (foundChainLength > longest_chain)
{
longest_chain = (uint)foundChainLength;
chainId4Lookup = ch;
}
AtLeastEqualChainFound = true;
// LogUtility.LogUtility.LogFile("****longer chain found " + Convert.ToString(longest_chain), ModuleLogLevel);
bool chainFound = false;
foreach (ChunkListAndChainId c in chainsChunksList)
{
if (c.chainId == ch)
{
//LogUtility.LogUtility.LogFile("****already in list", ModuleLogLevel);
chainFound = true;
}
}
if (!chainFound)
{
chunkListAndChainId = new ChunkListAndChainId();
chunkListAndChainId.chainId = ch;
chunkListAndChainId.chunks = chain.chunkIds;
chunkListAndChainId.firstChunkIdx = (uint)chunk_idx + (uint)(chunkList.Count - chunkListIdx);
chainsChunksList.Add(chunkListAndChainId);
// LogUtility.LogUtility.LogFile("****added to list, first chunk " + Convert.ToString(chunkListAndChainId.firstChunkIdx), ModuleLogLevel);
}
}
break;
}
}
if (!AtLeastEqualChainFound)
{
return(-1);
}
//chainId4Lookup = 0;
return((int)longest_chain);
}
