diff options
author | Wladimir J. van der Laan <laanwj@gmail.com> | 2014-08-21 05:17:21 +0200 |
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committer | Wladimir J. van der Laan <laanwj@gmail.com> | 2014-08-26 13:25:21 +0200 |
commit | 651480c8e453e7df9d735f684e6a3e368c777ac0 (patch) | |
tree | 8e65497aec4660779c8b9faedcb62251fc3d5ab0 | |
parent | 610a8c075958aa95b97f62a7ab020a543694c23d (diff) |
move functions in main and net to implementation files
-rw-r--r-- | src/main.cpp | 61 | ||||
-rw-r--r-- | src/main.h | 64 | ||||
-rw-r--r-- | src/net.cpp | 154 | ||||
-rw-r--r-- | src/net.h | 158 |
4 files changed, 226 insertions, 211 deletions
diff --git a/src/main.cpp b/src/main.cpp index 947494ce62..d9f897f447 100644 --- a/src/main.cpp +++ b/src/main.cpp @@ -4655,7 +4655,68 @@ bool SendMessages(CNode* pto, bool fSendTrickle) } +bool CBlockUndo::WriteToDisk(CDiskBlockPos &pos, const uint256 &hashBlock) +{ + // Open history file to append + CAutoFile fileout = CAutoFile(OpenUndoFile(pos), SER_DISK, CLIENT_VERSION); + if (!fileout) + return error("CBlockUndo::WriteToDisk : OpenUndoFile failed"); + + // Write index header + unsigned int nSize = fileout.GetSerializeSize(*this); + fileout << FLATDATA(Params().MessageStart()) << nSize; + + // Write undo data + long fileOutPos = ftell(fileout); + if (fileOutPos < 0) + return error("CBlockUndo::WriteToDisk : ftell failed"); + pos.nPos = (unsigned int)fileOutPos; + fileout << *this; + + // calculate & write checksum + CHashWriter hasher(SER_GETHASH, PROTOCOL_VERSION); + hasher << hashBlock; + hasher << *this; + fileout << hasher.GetHash(); + + // Flush stdio buffers and commit to disk before returning + fflush(fileout); + if (!IsInitialBlockDownload()) + FileCommit(fileout); + + return true; +} + +bool CBlockUndo::ReadFromDisk(const CDiskBlockPos &pos, const uint256 &hashBlock) +{ + // Open history file to read + CAutoFile filein = CAutoFile(OpenUndoFile(pos, true), SER_DISK, CLIENT_VERSION); + if (!filein) + return error("CBlockUndo::ReadFromDisk : OpenBlockFile failed"); + + // Read block + uint256 hashChecksum; + try { + filein >> *this; + filein >> hashChecksum; + } + catch (std::exception &e) { + return error("%s : Deserialize or I/O error - %s", __func__, e.what()); + } + + // Verify checksum + CHashWriter hasher(SER_GETHASH, PROTOCOL_VERSION); + hasher << hashBlock; + hasher << *this; + if (hashChecksum != hasher.GetHash()) + return error("CBlockUndo::ReadFromDisk : Checksum mismatch"); + + return true; +} + std::string CBlockFileInfo::ToString() const { + return strprintf("CBlockFileInfo(blocks=%u, size=%u, heights=%u...%u, time=%s...%s)", nBlocks, nSize, nHeightFirst, nHeightLast, DateTimeStrFormat("%Y-%m-%d", nTimeFirst).c_str(), DateTimeStrFormat("%Y-%m-%d", nTimeLast).c_str()); + } diff --git a/src/main.h b/src/main.h index 886cac1507..0db631f6d6 100644 --- a/src/main.h +++ b/src/main.h @@ -312,64 +312,8 @@ public: READWRITE(vtxundo); ) - bool WriteToDisk(CDiskBlockPos &pos, const uint256 &hashBlock) - { - // Open history file to append - CAutoFile fileout = CAutoFile(OpenUndoFile(pos), SER_DISK, CLIENT_VERSION); - if (!fileout) - return error("CBlockUndo::WriteToDisk : OpenUndoFile failed"); - - // Write index header - unsigned int nSize = fileout.GetSerializeSize(*this); - fileout << FLATDATA(Params().MessageStart()) << nSize; - - // Write undo data - long fileOutPos = ftell(fileout); - if (fileOutPos < 0) - return error("CBlockUndo::WriteToDisk : ftell failed"); - pos.nPos = (unsigned int)fileOutPos; - fileout << *this; - - // calculate & write checksum - CHashWriter hasher(SER_GETHASH, PROTOCOL_VERSION); - hasher << hashBlock; - hasher << *this; - fileout << hasher.GetHash(); - - // Flush stdio buffers and commit to disk before returning - fflush(fileout); - if (!IsInitialBlockDownload()) - FileCommit(fileout); - - return true; - } - - bool ReadFromDisk(const CDiskBlockPos &pos, const uint256 &hashBlock) - { - // Open history file to read - CAutoFile filein = CAutoFile(OpenUndoFile(pos, true), SER_DISK, CLIENT_VERSION); - if (!filein) - return error("CBlockUndo::ReadFromDisk : OpenBlockFile failed"); - - // Read block - uint256 hashChecksum; - try { - filein >> *this; - filein >> hashChecksum; - } - catch (std::exception &e) { - return error("%s : Deserialize or I/O error - %s", __func__, e.what()); - } - - // Verify checksum - CHashWriter hasher(SER_GETHASH, PROTOCOL_VERSION); - hasher << hashBlock; - hasher << *this; - if (hashChecksum != hasher.GetHash()) - return error("CBlockUndo::ReadFromDisk : Checksum mismatch"); - - return true; - } + bool WriteToDisk(CDiskBlockPos &pos, const uint256 &hashBlock); + bool ReadFromDisk(const CDiskBlockPos &pos, const uint256 &hashBlock); }; @@ -625,9 +569,7 @@ public: SetNull(); } - std::string ToString() const { - return strprintf("CBlockFileInfo(blocks=%u, size=%u, heights=%u...%u, time=%s...%s)", nBlocks, nSize, nHeightFirst, nHeightLast, DateTimeStrFormat("%Y-%m-%d", nTimeFirst).c_str(), DateTimeStrFormat("%Y-%m-%d", nTimeLast).c_str()); - } + std::string ToString() const; // update statistics (does not update nSize) void AddBlock(unsigned int nHeightIn, uint64_t nTimeIn) { diff --git a/src/net.cpp b/src/net.cpp index cae9b70da7..440c271a5e 100644 --- a/src/net.cpp +++ b/src/net.cpp @@ -2037,3 +2037,157 @@ bool CAddrDB::Read(CAddrMan& addr) return true; } + +unsigned int ReceiveFloodSize() { return 1000*GetArg("-maxreceivebuffer", 5*1000); } +unsigned int SendBufferSize() { return 1000*GetArg("-maxsendbuffer", 1*1000); } + +CNode::CNode(SOCKET hSocketIn, CAddress addrIn, std::string addrNameIn, bool fInboundIn) : ssSend(SER_NETWORK, INIT_PROTO_VERSION), setAddrKnown(5000) +{ + nServices = 0; + hSocket = hSocketIn; + nRecvVersion = INIT_PROTO_VERSION; + nLastSend = 0; + nLastRecv = 0; + nSendBytes = 0; + nRecvBytes = 0; + nTimeConnected = GetTime(); + addr = addrIn; + addrName = addrNameIn == "" ? addr.ToStringIPPort() : addrNameIn; + nVersion = 0; + strSubVer = ""; + fWhitelisted = false; + fOneShot = false; + fClient = false; // set by version message + fInbound = fInboundIn; + fNetworkNode = false; + fSuccessfullyConnected = false; + fDisconnect = false; + nRefCount = 0; + nSendSize = 0; + nSendOffset = 0; + hashContinue = 0; + pindexLastGetBlocksBegin = 0; + hashLastGetBlocksEnd = 0; + nStartingHeight = -1; + fStartSync = false; + fGetAddr = false; + fRelayTxes = false; + setInventoryKnown.max_size(SendBufferSize() / 1000); + pfilter = new CBloomFilter(); + nPingNonceSent = 0; + nPingUsecStart = 0; + nPingUsecTime = 0; + fPingQueued = false; + + { + LOCK(cs_nLastNodeId); + id = nLastNodeId++; + } + + if (fLogIPs) + LogPrint("net", "Added connection to %s peer=%d\n", addrName, id); + else + LogPrint("net", "Added connection peer=%d\n", id); + + // Be shy and don't send version until we hear + if (hSocket != INVALID_SOCKET && !fInbound) + PushVersion(); + + GetNodeSignals().InitializeNode(GetId(), this); +} + +CNode::~CNode() +{ + CloseSocket(hSocket); + + if (pfilter) + delete pfilter; + + GetNodeSignals().FinalizeNode(GetId()); +} + +void CNode::AskFor(const CInv& inv) +{ + // We're using mapAskFor as a priority queue, + // the key is the earliest time the request can be sent + int64_t nRequestTime; + limitedmap<CInv, int64_t>::const_iterator it = mapAlreadyAskedFor.find(inv); + if (it != mapAlreadyAskedFor.end()) + nRequestTime = it->second; + else + nRequestTime = 0; + LogPrint("net", "askfor %s %d (%s) peer=%d\n", inv.ToString(), nRequestTime, DateTimeStrFormat("%H:%M:%S", nRequestTime/1000000).c_str(), id); + + // Make sure not to reuse time indexes to keep things in the same order + int64_t nNow = GetTimeMicros() - 1000000; + static int64_t nLastTime; + ++nLastTime; + nNow = std::max(nNow, nLastTime); + nLastTime = nNow; + + // Each retry is 2 minutes after the last + nRequestTime = std::max(nRequestTime + 2 * 60 * 1000000, nNow); + if (it != mapAlreadyAskedFor.end()) + mapAlreadyAskedFor.update(it, nRequestTime); + else + mapAlreadyAskedFor.insert(std::make_pair(inv, nRequestTime)); + mapAskFor.insert(std::make_pair(nRequestTime, inv)); +} + +void CNode::BeginMessage(const char* pszCommand) EXCLUSIVE_LOCK_FUNCTION(cs_vSend) +{ + ENTER_CRITICAL_SECTION(cs_vSend); + assert(ssSend.size() == 0); + ssSend << CMessageHeader(pszCommand, 0); + LogPrint("net", "sending: %s ", pszCommand); +} + +void CNode::AbortMessage() UNLOCK_FUNCTION(cs_vSend) +{ + ssSend.clear(); + + LEAVE_CRITICAL_SECTION(cs_vSend); + + LogPrint("net", "(aborted)\n"); +} + +void CNode::EndMessage() UNLOCK_FUNCTION(cs_vSend) +{ + // The -*messagestest options are intentionally not documented in the help message, + // since they are only used during development to debug the networking code and are + // not intended for end-users. + if (mapArgs.count("-dropmessagestest") && GetRand(GetArg("-dropmessagestest", 2)) == 0) + { + LogPrint("net", "dropmessages DROPPING SEND MESSAGE\n"); + AbortMessage(); + return; + } + if (mapArgs.count("-fuzzmessagestest")) + Fuzz(GetArg("-fuzzmessagestest", 10)); + + if (ssSend.size() == 0) + return; + + // Set the size + unsigned int nSize = ssSend.size() - CMessageHeader::HEADER_SIZE; + memcpy((char*)&ssSend[CMessageHeader::MESSAGE_SIZE_OFFSET], &nSize, sizeof(nSize)); + + // Set the checksum + uint256 hash = Hash(ssSend.begin() + CMessageHeader::HEADER_SIZE, ssSend.end()); + unsigned int nChecksum = 0; + memcpy(&nChecksum, &hash, sizeof(nChecksum)); + assert(ssSend.size () >= CMessageHeader::CHECKSUM_OFFSET + sizeof(nChecksum)); + memcpy((char*)&ssSend[CMessageHeader::CHECKSUM_OFFSET], &nChecksum, sizeof(nChecksum)); + + LogPrint("net", "(%d bytes) peer=%d\n", nSize, id); + + std::deque<CSerializeData>::iterator it = vSendMsg.insert(vSendMsg.end(), CSerializeData()); + ssSend.GetAndClear(*it); + nSendSize += (*it).size(); + + // If write queue empty, attempt "optimistic write" + if (it == vSendMsg.begin()) + SocketSendData(this); + + LEAVE_CRITICAL_SECTION(cs_vSend); +} @@ -51,8 +51,8 @@ static const bool DEFAULT_UPNP = USE_UPNP; static const bool DEFAULT_UPNP = false; #endif -inline unsigned int ReceiveFloodSize() { return 1000*GetArg("-maxreceivebuffer", 5*1000); } -inline unsigned int SendBufferSize() { return 1000*GetArg("-maxsendbuffer", 1*1000); } +unsigned int ReceiveFloodSize(); +unsigned int SendBufferSize(); void AddOneShot(std::string strDest); bool RecvLine(SOCKET hSocket, std::string& strLine); @@ -300,70 +300,8 @@ public: // Whether a ping is requested. bool fPingQueued; - CNode(SOCKET hSocketIn, CAddress addrIn, std::string addrNameIn = "", bool fInboundIn=false) : ssSend(SER_NETWORK, INIT_PROTO_VERSION), setAddrKnown(5000) - { - nServices = 0; - hSocket = hSocketIn; - nRecvVersion = INIT_PROTO_VERSION; - nLastSend = 0; - nLastRecv = 0; - nSendBytes = 0; - nRecvBytes = 0; - nTimeConnected = GetTime(); - addr = addrIn; - addrName = addrNameIn == "" ? addr.ToStringIPPort() : addrNameIn; - nVersion = 0; - strSubVer = ""; - fWhitelisted = false; - fOneShot = false; - fClient = false; // set by version message - fInbound = fInboundIn; - fNetworkNode = false; - fSuccessfullyConnected = false; - fDisconnect = false; - nRefCount = 0; - nSendSize = 0; - nSendOffset = 0; - hashContinue = 0; - pindexLastGetBlocksBegin = 0; - hashLastGetBlocksEnd = 0; - nStartingHeight = -1; - fStartSync = false; - fGetAddr = false; - fRelayTxes = false; - setInventoryKnown.max_size(SendBufferSize() / 1000); - pfilter = new CBloomFilter(); - nPingNonceSent = 0; - nPingUsecStart = 0; - nPingUsecTime = 0; - fPingQueued = false; - - { - LOCK(cs_nLastNodeId); - id = nLastNodeId++; - } - - if (fLogIPs) - LogPrint("net", "Added connection to %s peer=%d\n", addrName, id); - else - LogPrint("net", "Added connection peer=%d\n", id); - - // Be shy and don't send version until we hear - if (hSocket != INVALID_SOCKET && !fInbound) - PushVersion(); - - GetNodeSignals().InitializeNode(GetId(), this); - } - - ~CNode() - { - CloseSocket(hSocket); - - if (pfilter) - delete pfilter; - - GetNodeSignals().FinalizeNode(GetId()); - } + CNode(SOCKET hSocketIn, CAddress addrIn, std::string addrNameIn = "", bool fInboundIn=false); + ~CNode(); private: // Network usage totals @@ -452,96 +390,16 @@ public: } } - void AskFor(const CInv& inv) - { - // We're using mapAskFor as a priority queue, - // the key is the earliest time the request can be sent - int64_t nRequestTime; - limitedmap<CInv, int64_t>::const_iterator it = mapAlreadyAskedFor.find(inv); - if (it != mapAlreadyAskedFor.end()) - nRequestTime = it->second; - else - nRequestTime = 0; - LogPrint("net", "askfor %s %d (%s) peer=%d\n", inv.ToString(), nRequestTime, DateTimeStrFormat("%H:%M:%S", nRequestTime/1000000).c_str(), id); - - // Make sure not to reuse time indexes to keep things in the same order - int64_t nNow = GetTimeMicros() - 1000000; - static int64_t nLastTime; - ++nLastTime; - nNow = std::max(nNow, nLastTime); - nLastTime = nNow; - - // Each retry is 2 minutes after the last - nRequestTime = std::max(nRequestTime + 2 * 60 * 1000000, nNow); - if (it != mapAlreadyAskedFor.end()) - mapAlreadyAskedFor.update(it, nRequestTime); - else - mapAlreadyAskedFor.insert(std::make_pair(inv, nRequestTime)); - mapAskFor.insert(std::make_pair(nRequestTime, inv)); - } - - + void AskFor(const CInv& inv); // TODO: Document the postcondition of this function. Is cs_vSend locked? - void BeginMessage(const char* pszCommand) EXCLUSIVE_LOCK_FUNCTION(cs_vSend) - { - ENTER_CRITICAL_SECTION(cs_vSend); - assert(ssSend.size() == 0); - ssSend << CMessageHeader(pszCommand, 0); - LogPrint("net", "sending: %s ", pszCommand); - } + void BeginMessage(const char* pszCommand) EXCLUSIVE_LOCK_FUNCTION(cs_vSend); // TODO: Document the precondition of this function. Is cs_vSend locked? - void AbortMessage() UNLOCK_FUNCTION(cs_vSend) - { - ssSend.clear(); - - LEAVE_CRITICAL_SECTION(cs_vSend); - - LogPrint("net", "(aborted)\n"); - } + void AbortMessage() UNLOCK_FUNCTION(cs_vSend); // TODO: Document the precondition of this function. Is cs_vSend locked? - void EndMessage() UNLOCK_FUNCTION(cs_vSend) - { - // The -*messagestest options are intentionally not documented in the help message, - // since they are only used during development to debug the networking code and are - // not intended for end-users. - if (mapArgs.count("-dropmessagestest") && GetRand(GetArg("-dropmessagestest", 2)) == 0) - { - LogPrint("net", "dropmessages DROPPING SEND MESSAGE\n"); - AbortMessage(); - return; - } - if (mapArgs.count("-fuzzmessagestest")) - Fuzz(GetArg("-fuzzmessagestest", 10)); - - if (ssSend.size() == 0) - return; - - // Set the size - unsigned int nSize = ssSend.size() - CMessageHeader::HEADER_SIZE; - memcpy((char*)&ssSend[CMessageHeader::MESSAGE_SIZE_OFFSET], &nSize, sizeof(nSize)); - - // Set the checksum - uint256 hash = Hash(ssSend.begin() + CMessageHeader::HEADER_SIZE, ssSend.end()); - unsigned int nChecksum = 0; - memcpy(&nChecksum, &hash, sizeof(nChecksum)); - assert(ssSend.size () >= CMessageHeader::CHECKSUM_OFFSET + sizeof(nChecksum)); - memcpy((char*)&ssSend[CMessageHeader::CHECKSUM_OFFSET], &nChecksum, sizeof(nChecksum)); - - LogPrint("net", "(%d bytes) peer=%d\n", nSize, id); - - std::deque<CSerializeData>::iterator it = vSendMsg.insert(vSendMsg.end(), CSerializeData()); - ssSend.GetAndClear(*it); - nSendSize += (*it).size(); - - // If write queue empty, attempt "optimistic write" - if (it == vSendMsg.begin()) - SocketSendData(this); - - LEAVE_CRITICAL_SECTION(cs_vSend); - } + void EndMessage() UNLOCK_FUNCTION(cs_vSend); void PushVersion(); |