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Refactor: Bail early in AcceptConnection

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This commit is contained in:
Patrick Strateman 2015-08-13 02:16:46 -07:00
parent 541a1dd9e6
commit 1ef4817614
1 changed files with 22 additions and 15 deletions
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37
src/net.cpp
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@ -801,39 +801,46 @@ static void AcceptConnection(const ListenSocket& hListenSocket) {
int nErr = WSAGetLastError();
if (nErr != WSAEWOULDBLOCK)
LogPrintf("socket error accept failed: %s\n", NetworkErrorString(nErr));
return;
}
else if (!IsSelectableSocket(hSocket))
if (!IsSelectableSocket(hSocket))
{
LogPrintf("connection from %s dropped: non-selectable socket\n", addr.ToString());
CloseSocket(hSocket);
return;
}
else if (nInbound >= nMaxInbound)
if (nInbound >= nMaxInbound)
{
LogPrint("net", "connection from %s dropped (full)\n", addr.ToString());
CloseSocket(hSocket);
return;
}
else if (!whitelisted && (nInbound >= (nMaxInbound - nWhiteConnections)))
if (!whitelisted && (nInbound >= (nMaxInbound - nWhiteConnections)))
{
LogPrint("net", "connection from %s dropped (non-whitelisted)\n", addr.ToString());
CloseSocket(hSocket);
return;
}
else if (CNode::IsBanned(addr) && !whitelisted)
if (CNode::IsBanned(addr) && !whitelisted)
{
LogPrintf("connection from %s dropped (banned)\n", addr.ToString());
CloseSocket(hSocket);
return;
}
else
CNode* pnode = new CNode(hSocket, addr, "", true);
pnode->AddRef();
pnode->fWhitelisted = whitelisted;
LogPrint("net", "connection from %s accepted\n", addr.ToString());
{
CNode* pnode = new CNode(hSocket, addr, "", true);
pnode->AddRef();
pnode->fWhitelisted = whitelisted;
LogPrint("net", "connection from %s accepted\n", addr.ToString());
{
LOCK(cs_vNodes);
vNodes.push_back(pnode);
}
LOCK(cs_vNodes);
vNodes.push_back(pnode);
}
}