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Refactor: AcceptConnection

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This commit is contained in:
Patrick Strateman 2015-08-13 02:00:10 -07:00
parent 49793fbb09
commit 541a1dd9e6
1 changed files with 62 additions and 58 deletions
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120
src/net.cpp
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@ -776,6 +776,67 @@ void SocketSendData(CNode *pnode)
static list<CNode*> vNodesDisconnected;
static void AcceptConnection(const ListenSocket& hListenSocket) {
struct sockaddr_storage sockaddr;
socklen_t len = sizeof(sockaddr);
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))
LogPrintf("Warning: Unknown socket family\n");
bool whitelisted = hListenSocket.whitelisted || CNode::IsWhitelistedRange(addr);
{
LOCK(cs_vNodes);
BOOST_FOREACH(CNode* pnode, vNodes)
if (pnode->fInbound)
nInbound++;
}
if (hSocket == INVALID_SOCKET)
{
int nErr = WSAGetLastError();
if (nErr != WSAEWOULDBLOCK)
LogPrintf("socket error accept failed: %s\n", NetworkErrorString(nErr));
}
else if (!IsSelectableSocket(hSocket))
{
LogPrintf("connection from %s dropped: non-selectable socket\n", addr.ToString());
CloseSocket(hSocket);
}
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)
{
LogPrintf("connection from %s dropped (banned)\n", addr.ToString());
CloseSocket(hSocket);
}
else
{
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);
}
}
}
void ThreadSocketHandler()
{
unsigned int nPrevNodeCount = 0;
@ -933,64 +994,7 @@ void ThreadSocketHandler()
{
if (hListenSocket.socket != INVALID_SOCKET && FD_ISSET(hListenSocket.socket, &fdsetRecv))
{
struct sockaddr_storage sockaddr;
socklen_t len = sizeof(sockaddr);
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))
LogPrintf("Warning: Unknown socket family\n");
bool whitelisted = hListenSocket.whitelisted || CNode::IsWhitelistedRange(addr);
{
LOCK(cs_vNodes);
BOOST_FOREACH(CNode* pnode, vNodes)
if (pnode->fInbound)
nInbound++;
}
if (hSocket == INVALID_SOCKET)
{
int nErr = WSAGetLastError();
if (nErr != WSAEWOULDBLOCK)
LogPrintf("socket error accept failed: %s\n", NetworkErrorString(nErr));
}
else if (!IsSelectableSocket(hSocket))
{
LogPrintf("connection from %s dropped: non-selectable socket\n", addr.ToString());
CloseSocket(hSocket);
}
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)
{
LogPrintf("connection from %s dropped (banned)\n", addr.ToString());
CloseSocket(hSocket);
}
else
{
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);
}
}
AcceptConnection(hListenSocket);
}
}