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rpc: Add listen address to incoming connections in getpeerinfo

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This adds the listening address on which incoming connections were received to the
CNode and CNodeStats structures.

The address is reported in `getpeerinfo`.

This can be useful for distinguishing connections received on different listening ports
(e.g. when using a different listening port for Tor hidden service connections)
or different networks.
This commit is contained in:
Wladimir J. van der Laan
2017-05-30 11:59:42 +02:00
parent 400fdd08cc
commit a7e3c2814c
5 changed files with 46 additions and 13 deletions
Download Patch File Download Diff File Expand all files Collapse all files

32
src/net.cpp
View File

@@ -340,6 +340,22 @@ bool CConnman::CheckIncomingNonce(uint64_t nonce)
return true;
}
/** Get the bind address for a socket as CAddress */
static CAddress GetBindAddress(SOCKET sock)
{
CAddress addr_bind;
struct sockaddr_storage sockaddr_bind;
socklen_t sockaddr_bind_len = sizeof(sockaddr_bind);
if (sock != INVALID_SOCKET) {
if (!getsockname(sock, (struct sockaddr*)&sockaddr_bind, &sockaddr_bind_len)) {
addr_bind.SetSockAddr((const struct sockaddr*)&sockaddr_bind);
} else {
LogPrint(BCLog::NET, "Warning: getsockname failed\n");
}
}
return addr_bind;
}
CNode* CConnman::ConnectNode(CAddress addrConnect, const char *pszDest, bool fCountFailure)
{
if (pszDest == NULL) {
@@ -393,7 +409,8 @@ CNode* CConnman::ConnectNode(CAddress addrConnect, const char *pszDest, bool fCo
// Add node
NodeId id = GetNewNodeId();
uint64_t nonce = GetDeterministicRandomizer(RANDOMIZER_ID_LOCALHOSTNONCE).Write(id).Finalize();
CNode* pnode = new CNode(id, nLocalServices, GetBestHeight(), hSocket, addrConnect, CalculateKeyedNetGroup(addrConnect), nonce, pszDest ? pszDest : "", false);
CAddress addr_bind = GetBindAddress(hSocket);
CNode* pnode = new CNode(id, nLocalServices, GetBestHeight(), hSocket, addrConnect, CalculateKeyedNetGroup(addrConnect), nonce, addr_bind, pszDest ? pszDest : "", false);
pnode->nServicesExpected = ServiceFlags(addrConnect.nServices & nRelevantServices);
pnode->AddRef();
@@ -635,6 +652,7 @@ void CNode::copyStats(CNodeStats &stats)
stats.nodeid = this->GetId();
X(nServices);
X(addr);
X(addrBind);
{
LOCK(cs_filter);
X(fRelayTxes);
@@ -1036,9 +1054,11 @@ void CConnman::AcceptConnection(const ListenSocket& hListenSocket) {
int nInbound = 0;
int nMaxInbound = nMaxConnections - (nMaxOutbound + nMaxFeeler);
if (hSocket != INVALID_SOCKET)
if (!addr.SetSockAddr((const struct sockaddr*)&sockaddr))
if (hSocket != INVALID_SOCKET) {
if (!addr.SetSockAddr((const struct sockaddr*)&sockaddr)) {
LogPrintf("Warning: Unknown socket family\n");
}
}
bool whitelisted = hListenSocket.whitelisted || IsWhitelistedRange(addr);
{
@@ -1092,8 +1112,9 @@ void CConnman::AcceptConnection(const ListenSocket& hListenSocket) {
NodeId id = GetNewNodeId();
uint64_t nonce = GetDeterministicRandomizer(RANDOMIZER_ID_LOCALHOSTNONCE).Write(id).Finalize();
CAddress addr_bind = GetBindAddress(hSocket);
CNode* pnode = new CNode(id, nLocalServices, GetBestHeight(), hSocket, addr, CalculateKeyedNetGroup(addr), nonce, "", true);
CNode* pnode = new CNode(id, nLocalServices, GetBestHeight(), hSocket, addr, CalculateKeyedNetGroup(addr), nonce, addr_bind, "", true);
pnode->AddRef();
pnode->fWhitelisted = whitelisted;
GetNodeSignals().InitializeNode(pnode, *this);
@@ -2639,9 +2660,10 @@ int CConnman::GetBestHeight() const
unsigned int CConnman::GetReceiveFloodSize() const { return nReceiveFloodSize; }
unsigned int CConnman::GetSendBufferSize() const{ return nSendBufferMaxSize; }
CNode::CNode(NodeId idIn, ServiceFlags nLocalServicesIn, int nMyStartingHeightIn, SOCKET hSocketIn, const CAddress& addrIn, uint64_t nKeyedNetGroupIn, uint64_t nLocalHostNonceIn, const std::string& addrNameIn, bool fInboundIn) :
CNode::CNode(NodeId idIn, ServiceFlags nLocalServicesIn, int nMyStartingHeightIn, SOCKET hSocketIn, const CAddress& addrIn, uint64_t nKeyedNetGroupIn, uint64_t nLocalHostNonceIn, const CAddress &addrBindIn, const std::string& addrNameIn, bool fInboundIn) :
nTimeConnected(GetSystemTimeInSeconds()),
addr(addrIn),
addrBind(addrBindIn),
fInbound(fInboundIn),
nKeyedNetGroup(nKeyedNetGroupIn),
addrKnown(5000, 0.001),