}
}
+CNode::CNode(SOCKET hSocketIn, CAddress addrIn, string addrNameIn, bool fInboundIn) : vSend(SER_NETWORK, MIN_PROTO_VERSION), vRecv(SER_NETWORK, MIN_PROTO_VERSION)
+{
+ nServices = 0;
+ hSocket = hSocketIn;
+ nLastSend = 0;
+ nLastRecv = 0;
+ nSendBytes = 0;
+ nRecvBytes = 0;
+ nLastSendEmpty = GetTime();
+ nTimeConnected = GetTime();
+ nHeaderStart = -1;
+ nMessageStart = numeric_limits<uint32_t>::max();
+ addr = addrIn;
+ addrName = addrNameIn.empty() ? addr.ToStringIPPort() : addrNameIn;
+ nVersion = 0;
+ strSubVer.clear();
+ fOneShot = false;
+ fClient = false; // set by version message
+ fInbound = fInboundIn;
+ fNetworkNode = false;
+ fSuccessfullyConnected = false;
+ fDisconnect = false;
+ nRefCount = 0;
+ nReleaseTime = 0;
+ hashContinue = 0;
+ pindexLastGetBlocksBegin = 0;
+ hashLastGetBlocksEnd = 0;
+ nStartingHeight = -1;
+ nNextLocalAddrSend = 0;
+ nNextAddrSend = 0;
+ nNextInvSend = 0;
+ fStartSync = false;
+ fGetAddr = false;
+ nMisbehavior = 0;
+ hashCheckpointKnown = 0;
+ setInventoryKnown.max_size((size_t)SendBufferSize() / 1000);
+
+ // Be shy and don't send version until we hear
+ if (hSocket != INVALID_SOCKET && !fInbound)
+ PushVersion();
+}
+
+CNode::~CNode()
+{
+ if (hSocket != INVALID_SOCKET)
+ {
+ CloseSocket(hSocket);
+ }
+}
+
+int CNode::GetRefCount()
+{
+ return max(nRefCount, 0) + (GetTime() < nReleaseTime ? 1 : 0);
+}
+
+CNode* CNode::AddRef(int64_t nTimeout)
+{
+ if (nTimeout != 0)
+ nReleaseTime = max(nReleaseTime, GetTime() + nTimeout);
+ else
+ nRefCount++;
+ return this;
+}
+
+void CNode::Release()
+{
+ nRefCount--;
+}
+
+void CNode::AddAddressKnown(const CAddress& addr)
+{
+ setAddrKnown.insert(addr);
+}
+
+void CNode::PushAddress(const CAddress& addr)
+{
+ // Known checking here is only to save space from duplicates.
+ // SendMessages will filter it again for knowns that were added
+ // after addresses were pushed.
+ if (addr.IsValid() && !setAddrKnown.count(addr))
+ vAddrToSend.push_back(addr);
+}
+
+void CNode::AddInventoryKnown(const CInv& inv)
+{
+ {
+ LOCK(cs_inventory);
+ setInventoryKnown.insert(inv);
+ }
+}
+
+void CNode::PushInventory(const CInv& inv)
+{
+ {
+ LOCK(cs_inventory);
+ if (!setInventoryKnown.count(inv))
+ vInventoryToSend.push_back(inv);
+ }
+}
+
+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 = mapAlreadyAskedFor[inv];
+ if (fDebugNet)
+ printf("askfor %s %" PRId64 " (%s)\n", inv.ToString().c_str(), nRequestTime, DateTimeStrFormat("%H:%M:%S", nRequestTime/1000000).c_str());
+
+ // Make sure not to reuse time indexes to keep things in the same order
+ int64_t nNow = (GetTime() - 1) * 1000000;
+ static int64_t nLastTime;
+ ++nLastTime;
+ nNow = max(nNow, nLastTime);
+ nLastTime = nNow;
+
+ // Each retry is 2 minutes after the last
+ nRequestTime = max(nRequestTime + 2 * 60 * 1000000, nNow);
+ mapAskFor.insert({ nRequestTime, inv });
+}
+
+void CNode::BeginMessage(const char* pszCommand)
+{
+ ENTER_CRITICAL_SECTION(cs_vSend);
+ if (nHeaderStart != -1)
+ AbortMessage();
+ nHeaderStart = (int32_t)vSend.size();
+ vSend << CMessageHeader(pszCommand, 0);
+ nMessageStart = (uint32_t)vSend.size();
+ if (fDebug)
+ printf("sending: %s ", pszCommand);
+}
+
+void CNode::AbortMessage()
+{
+ if (nHeaderStart < 0)
+ return;
+ vSend.resize(nHeaderStart);
+ nHeaderStart = -1;
+ nMessageStart = numeric_limits<uint32_t>::max();
+ LEAVE_CRITICAL_SECTION(cs_vSend);
+
+ if (fDebug)
+ printf("(aborted)\n");
+}
+
+void CNode::EndMessage()
+{
+ if (mapArgs.count("-dropmessagestest") && GetRand(atoi(mapArgs["-dropmessagestest"])) == 0)
+ {
+ printf("dropmessages DROPPING SEND MESSAGE\n");
+ AbortMessage();
+ return;
+ }
+
+ if (nHeaderStart < 0)
+ return;
+
+ // Set the size
+ uint32_t nSize = (uint32_t) vSend.size() - nMessageStart;
+ memcpy((char*)&vSend[nHeaderStart] + CMessageHeader::MESSAGE_SIZE_OFFSET, &nSize, sizeof(nSize));
+
+ // Set the checksum
+ auto hash = Hash(vSend.begin() + nMessageStart, vSend.end());
+ uint32_t nChecksum = 0;
+ memcpy(&nChecksum, &hash, sizeof(nChecksum));
+ assert(nMessageStart - nHeaderStart >= CMessageHeader::CHECKSUM_OFFSET + sizeof(nChecksum));
+ memcpy((char*)&vSend[nHeaderStart] + CMessageHeader::CHECKSUM_OFFSET, &nChecksum, sizeof(nChecksum));
+
+ if (fDebug) {
+ printf("(%d bytes)\n", nSize);
+ }
+
+ nHeaderStart = -1;
+ nMessageStart = numeric_limits<uint32_t>::max();
+ LEAVE_CRITICAL_SECTION(cs_vSend);
+}
+
+void CNode::EndMessageAbortIfEmpty()
+{
+ if (nHeaderStart < 0)
+ return;
+ int nSize = (int) vSend.size() - nMessageStart;
+ if (nSize > 0)
+ EndMessage();
+ else
+ AbortMessage();
+}
+
void CNode::CloseSocketDisconnect()
{
fDisconnect = true;
}
instance_of_cnetcleanup;
+inline void RelayInventory(const CInv& inv)
+{
+ // Put on lists to offer to the other nodes
+ {
+ LOCK(cs_vNodes);
+ for(CNode* pnode : vNodes)
+ pnode->PushInventory(inv);
+ }
+}
+
void RelayTransaction(const CTransaction& tx, const uint256& hash)
{
CDataStream ss(SER_NETWORK, PROTOCOL_VERSION);
extern map<CInv, int64_t> mapAlreadyAskedFor;
-
-
class CNodeStats
{
public:
};
-
-
-
-/** Information about a peer */
+// Information about a peer
class CNode
{
public:
CCriticalSection cs_inventory;
multimap<int64_t, CInv> mapAskFor;
- CNode(SOCKET hSocketIn, CAddress addrIn, string addrNameIn = "", bool fInboundIn=false) : vSend(SER_NETWORK, MIN_PROTO_VERSION), vRecv(SER_NETWORK, MIN_PROTO_VERSION)
- {
- nServices = 0;
- hSocket = hSocketIn;
- nLastSend = 0;
- nLastRecv = 0;
- nSendBytes = 0;
- nRecvBytes = 0;
- nLastSendEmpty = GetTime();
- nTimeConnected = GetTime();
- nHeaderStart = -1;
- nMessageStart = numeric_limits<uint32_t>::max();
- addr = addrIn;
- addrName = addrNameIn.empty() ? addr.ToStringIPPort() : addrNameIn;
- nVersion = 0;
- strSubVer.clear();
- fOneShot = false;
- fClient = false; // set by version message
- fInbound = fInboundIn;
- fNetworkNode = false;
- fSuccessfullyConnected = false;
- fDisconnect = false;
- nRefCount = 0;
- nReleaseTime = 0;
- hashContinue = 0;
- pindexLastGetBlocksBegin = 0;
- hashLastGetBlocksEnd = 0;
- nStartingHeight = -1;
- nNextLocalAddrSend = 0;
- nNextAddrSend = 0;
- nNextInvSend = 0;
- fStartSync = false;
- fGetAddr = false;
- nMisbehavior = 0;
- hashCheckpointKnown = 0;
- setInventoryKnown.max_size((size_t)SendBufferSize() / 1000);
-
- // Be shy and don't send version until we hear
- if (hSocket != INVALID_SOCKET && !fInbound)
- PushVersion();
- }
-
- ~CNode()
- {
- if (hSocket != INVALID_SOCKET)
- {
- CloseSocket(hSocket);
- }
- }
-
+ CNode(SOCKET hSocketIn, CAddress addrIn, string addrNameIn = "", bool fInboundIn=false);
+ ~CNode();
private:
// Network usage totals
static uint64_t nTotalBytesSent;
CNode(const CNode&);
void operator=(const CNode&);
-public:
-
-
- int GetRefCount()
- {
- return max(nRefCount, 0) + (GetTime() < nReleaseTime ? 1 : 0);
- }
-
- CNode* AddRef(int64_t nTimeout=0)
- {
- if (nTimeout != 0)
- nReleaseTime = max(nReleaseTime, GetTime() + nTimeout);
- else
- nRefCount++;
- return this;
- }
-
- void Release()
- {
- nRefCount--;
- }
-
-
-
- void AddAddressKnown(const CAddress& addr)
- {
- setAddrKnown.insert(addr);
- }
-
- void PushAddress(const CAddress& addr)
- {
- // Known checking here is only to save space from duplicates.
- // SendMessages will filter it again for knowns that were added
- // after addresses were pushed.
- if (addr.IsValid() && !setAddrKnown.count(addr))
- vAddrToSend.push_back(addr);
- }
-
-
- void AddInventoryKnown(const CInv& inv)
- {
- {
- LOCK(cs_inventory);
- setInventoryKnown.insert(inv);
- }
- }
-
- void PushInventory(const CInv& inv)
- {
- {
- LOCK(cs_inventory);
- if (!setInventoryKnown.count(inv))
- vInventoryToSend.push_back(inv);
- }
- }
-
- 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 = mapAlreadyAskedFor[inv];
- if (fDebugNet)
- printf("askfor %s %" PRId64 " (%s)\n", inv.ToString().c_str(), nRequestTime, DateTimeStrFormat("%H:%M:%S", nRequestTime/1000000).c_str());
-
- // Make sure not to reuse time indexes to keep things in the same order
- int64_t nNow = (GetTime() - 1) * 1000000;
- static int64_t nLastTime;
- ++nLastTime;
- nNow = max(nNow, nLastTime);
- nLastTime = nNow;
-
- // Each retry is 2 minutes after the last
- nRequestTime = max(nRequestTime + 2 * 60 * 1000000, nNow);
- mapAskFor.insert({ nRequestTime, inv });
- }
-
-
-
- void BeginMessage(const char* pszCommand)
- {
- ENTER_CRITICAL_SECTION(cs_vSend);
- if (nHeaderStart != -1)
- AbortMessage();
- nHeaderStart = (int32_t)vSend.size();
- vSend << CMessageHeader(pszCommand, 0);
- nMessageStart = (uint32_t)vSend.size();
- if (fDebug)
- printf("sending: %s ", pszCommand);
- }
-
- void AbortMessage()
- {
- if (nHeaderStart < 0)
- return;
- vSend.resize(nHeaderStart);
- nHeaderStart = -1;
- nMessageStart = numeric_limits<uint32_t>::max();
- LEAVE_CRITICAL_SECTION(cs_vSend);
-
- if (fDebug)
- printf("(aborted)\n");
- }
-
- void EndMessage()
- {
- if (mapArgs.count("-dropmessagestest") && GetRand(atoi(mapArgs["-dropmessagestest"])) == 0)
- {
- printf("dropmessages DROPPING SEND MESSAGE\n");
- AbortMessage();
- return;
- }
-
- if (nHeaderStart < 0)
- return;
-
- // Set the size
- uint32_t nSize = (uint32_t) vSend.size() - nMessageStart;
- memcpy((char*)&vSend[nHeaderStart] + CMessageHeader::MESSAGE_SIZE_OFFSET, &nSize, sizeof(nSize));
-
- // Set the checksum
- auto hash = Hash(vSend.begin() + nMessageStart, vSend.end());
- uint32_t nChecksum = 0;
- memcpy(&nChecksum, &hash, sizeof(nChecksum));
- assert(nMessageStart - nHeaderStart >= CMessageHeader::CHECKSUM_OFFSET + sizeof(nChecksum));
- memcpy((char*)&vSend[nHeaderStart] + CMessageHeader::CHECKSUM_OFFSET, &nChecksum, sizeof(nChecksum));
-
- if (fDebug) {
- printf("(%d bytes)\n", nSize);
- }
-
- nHeaderStart = -1;
- nMessageStart = numeric_limits<uint32_t>::max();
- LEAVE_CRITICAL_SECTION(cs_vSend);
- }
-
- void EndMessageAbortIfEmpty()
- {
- if (nHeaderStart < 0)
- return;
- int nSize = (int) vSend.size() - nMessageStart;
- if (nSize > 0)
- EndMessage();
- else
- AbortMessage();
- }
-
+public:
+ int GetRefCount();
+ CNode* AddRef(int64_t nTimeout=0);
+ void Release();
+ void AddAddressKnown(const CAddress& addr);
+ void PushAddress(const CAddress& addr);
+ void AddInventoryKnown(const CInv& inv);
+ void PushInventory(const CInv& inv);
+ void AskFor(const CInv& inv);
+ void BeginMessage(const char* pszCommand);
+ void AbortMessage();
+ void EndMessage();
+ void EndMessageAbortIfEmpty();
void PushVersion();
-
void PushMessage(const char* pszCommand)
{
try
static uint64_t GetTotalBytesSent();
};
-inline void RelayInventory(const CInv& inv)
-{
- // Put on lists to offer to the other nodes
- {
- LOCK(cs_vNodes);
- for(CNode* pnode : vNodes)
- pnode->PushInventory(inv);
- }
-}
-
class CTransaction;
void RelayTransaction(const CTransaction& tx, const uint256& hash);
void RelayTransaction(const CTransaction& tx, const uint256& hash, const CDataStream& ss);