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Added -whiteconnections=<n> option

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This sets aside a number of connection slots for whitelisted peers,
useful for ensuring your local users and miners can always get in,
even if your limit on inbound connections has already been reached.
This commit is contained in:
Josh Lehan
2014-11-16 03:19:23 -08:00
parent ab0ec67903
commit e3cae52538
3 changed files with 68 additions and 11 deletions
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12
src/net.cpp
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@@ -79,6 +79,7 @@ uint64_t nLocalHostNonce = 0;
static std::vector<ListenSocket> vhListenSocket;
CAddrMan addrman;
int nMaxConnections = 125;
int nWhiteConnections = 0;
bool fAddressesInitialized = false;
vector<CNode*> vNodes;
@@ -827,6 +828,7 @@ void ThreadSocketHandler()
SOCKET hSocket = accept(hListenSocket.socket, (struct sockaddr*)&sockaddr, &len);
CAddress addr;
int nInbound = 0;
int nMaxInbound = nMaxConnections - MAX_OUTBOUND_CONNECTIONS;
if (hSocket != INVALID_SOCKET)
if (!addr.SetSockAddr((const struct sockaddr*)&sockaddr))
@@ -846,8 +848,14 @@ void ThreadSocketHandler()
if (nErr != WSAEWOULDBLOCK)
LogPrintf("socket error accept failed: %s\n", NetworkErrorString(nErr));
}
else if (nInbound >= nMaxConnections - MAX_OUTBOUND_CONNECTIONS)
else if (nInbound >= nMaxInbound)
{
LogPrint("net", "connection from %s dropped (full)\n", addr.ToString());
CloseSocket(hSocket);
}
else if (!whitelisted && (nInbound >= (nMaxInbound - nWhiteConnections)))
{
LogPrint("net", "connection from %s dropped (non-whitelisted)\n", addr.ToString());
CloseSocket(hSocket);
}
else if (CNode::IsBanned(addr) && !whitelisted)
@@ -861,6 +869,8 @@ void ThreadSocketHandler()
pnode->AddRef();
pnode->fWhitelisted = whitelisted;
LogPrint("net", "connection from %s accepted\n", addr.ToString());
{
LOCK(cs_vNodes);
vNodes.push_back(pnode);