#include "miner.h"
#include "ntp.h"
-#ifdef WIN32
-#include <string.h>
-#endif
-
using namespace std;
static const int MAX_OUTBOUND_CONNECTIONS = 16;
// We now get our external IP from the IRC server first and only use this as a backup
bool GetMyExternalIP(CNetAddr& ipRet)
{
- struct sockaddr_in mapped;
+ struct sockaddr_in mapped = {};
auto rnd = GetRand(numeric_limits<uint64_t>::max());
const char *srv;
int rc = GetExternalIPbySTUN(rnd, &mapped, &srv);
}
}
+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;
#ifndef WIN32
#ifdef SO_NOSIGPIPE
// Different way of disabling SIGPIPE on BSD
- setsockopt(hListenSocket, SOL_SOCKET, SO_NOSIGPIPE, (void*)&nOne, sizeof(int));
+ if (setsockopt(hListenSocket, SOL_SOCKET, SO_NOSIGPIPE, (void*)&nOne, sizeof(int)) == SOCKET_ERROR)
+ {
+ printf("WARNING: setsockopt failed\n");
+ //TODO: work around problem - may be add CloseSocket and return false?
+ }
#endif
// Allow binding if the port is still in TIME_WAIT state after
// the program was closed and restarted. Not an issue on windows!
- setsockopt(hListenSocket, SOL_SOCKET, SO_REUSEADDR, (void*)&nOne, sizeof(int));
+ if (setsockopt(hListenSocket, SOL_SOCKET, SO_REUSEADDR, (void*)&nOne, sizeof(int)) == SOCKET_ERROR)
+ {
+ printf("WARNING: setsockopt failed\n");
+ //TODO: work around problem - may be add CloseSocket and return false?
+ }
#endif
#ifdef WIN32
{
strError = strprintf("Error: Couldn't set properties on socket for incoming connections (error %d)", WSAGetLastError());
printf("%s\n", strError.c_str());
+ CloseSocket(hSocket);
return false;
}
if (addrBind.IsIPv6()) {
#ifdef IPV6_V6ONLY
#ifdef WIN32
- setsockopt(hListenSocket, IPPROTO_IPV6, IPV6_V6ONLY, (const char*)&nOne, sizeof(int));
+ if (setsockopt(hListenSocket, IPPROTO_IPV6, IPV6_V6ONLY, (const char*)&nOne, sizeof(int)) == SOCKET_ERROR)
+ {
+ printf("WARNING: setsockopt failed\n");
+ //TODO: work around problem - may be add CloseSocket and return false?
+ }
#else
- setsockopt(hListenSocket, IPPROTO_IPV6, IPV6_V6ONLY, (void*)&nOne, sizeof(int));
+ if (setsockopt(hListenSocket, IPPROTO_IPV6, IPV6_V6ONLY, (void*)&nOne, sizeof(int)) == SOCKET_ERROR)
+ {
+ printf("WARNING: setsockopt failed\n");
+ //TODO: work around problem - may be add CloseSocket and return false?
+ }
#endif
#endif
#ifdef WIN32
- int nProtLevel = PROTECTION_LEVEL_UNRESTRICTED;
- setsockopt(hListenSocket, IPPROTO_IPV6, IPV6_PROTECTION_LEVEL, (const char*)&nProtLevel, sizeof(int));
+ int nProtLevel = PROTECTION_LEVEL_UNRESTRICTED;
+ if (setsockopt(hListenSocket, IPPROTO_IPV6, IPV6_PROTECTION_LEVEL, (const char*)&nProtLevel, sizeof(int)) == SOCKET_ERROR)
+ {
+ printf("WARNING: setsockopt failed\n");
+ //TODO: work around problem - may be add CloseSocket and return false?
+ }
#endif
}
#endif
}
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);
git://git.novaco.in / novacoin.git / blobdiff