// Copyright (c) 2009-2010 Satoshi Nakamoto
// Copyright (c) 2009-2012 The Bitcoin developers
-// Copyright (c) 2012 The PPCoin developers
// Distributed under the MIT/X11 software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#ifndef BITCOIN_NET_H
#define BITCOIN_NET_H
#include <deque>
+#ifndef Q_MOC_RUN
#include <boost/array.hpp>
#include <boost/foreach.hpp>
+#endif
#include <openssl/rand.h>
#ifndef WIN32
#include "netbase.h"
#include "protocol.h"
#include "addrman.h"
+#include "hash.h"
-class CAddrDB;
class CRequestTracker;
class CNode;
class CBlockIndex;
-inline unsigned int ReceiveBufferSize() { return 1000*GetArg("-maxreceivebuffer", 10*1000); }
-inline unsigned int SendBufferSize() { return 1000*GetArg("-maxsendbuffer", 10*1000); }
+inline uint64_t ReceiveBufferSize() { return 1000*GetArg("-maxreceivebuffer", 5*1000); }
+inline uint64_t SendBufferSize() { return 1000*GetArg("-maxsendbuffer", 1*1000); }
+void AddOneShot(std::string strDest);
bool RecvLine(SOCKET hSocket, std::string& strLine);
bool GetMyExternalIP(CNetAddr& ipRet);
void AddressCurrentlyConnected(const CService& addr);
CNode* FindNode(const CNetAddr& ip);
CNode* FindNode(const CService& ip);
-CNode* ConnectNode(CAddress addrConnect, int64 nTimeout=0);
-void MapPort(bool fMapPort);
-bool BindListenPort(std::string& strError=REF(std::string()));
+CNode* ConnectNode(CAddress addrConnect, const char *strDest = NULL, int64_t nTimeout=0);
+bool OpenNetworkConnection(const CAddress& addrConnect, CSemaphoreGrant *grantOutbound = NULL, const char *strDest = NULL, bool fOneShot = false);
+void MapPort();
+unsigned short GetListenPort();
+bool BindListenPort(const CService &bindAddr, std::string& strError=REF(std::string()));
void StartNode(void* parg);
bool StopNode();
enum
{
+ LOCAL_NONE, // unknown
+ LOCAL_IF, // address a local interface listens on
+ LOCAL_BIND, // address explicit bound to
+ LOCAL_UPNP, // address reported by UPnP
+ LOCAL_IRC, // address reported by IRC (deprecated)
+ LOCAL_HTTP, // address reported by whatismyip.com and similar
+ LOCAL_MANUAL, // address explicitly specified (-externalip=)
+
+ LOCAL_MAX
+};
+
+void SetLimited(enum Network net, bool fLimited = true);
+bool IsLimited(enum Network net);
+bool IsLimited(const CNetAddr& addr);
+bool AddLocal(const CService& addr, int nScore = LOCAL_NONE);
+bool AddLocal(const CNetAddr& addr, int nScore = LOCAL_NONE);
+bool SeenLocal(const CService& addr);
+bool IsLocal(const CService& addr);
+bool GetLocal(CService &addr, const CNetAddr *paddrPeer = NULL);
+bool IsReachable(const CNetAddr &addr);
+void SetReachable(enum Network net, bool fFlag = true);
+CAddress GetLocalAddress(const CNetAddr *paddrPeer = NULL);
+
+
+enum
+{
MSG_TX = 1,
MSG_BLOCK,
};
THREAD_SOCKETHANDLER,
THREAD_OPENCONNECTIONS,
THREAD_MESSAGEHANDLER,
- THREAD_MINER,
- THREAD_RPCSERVER,
+ THREAD_RPCLISTENER,
THREAD_UPNP,
THREAD_DNSSEED,
THREAD_ADDEDCONNECTIONS,
THREAD_DUMPADDRESS,
+ THREAD_RPCHANDLER,
THREAD_MINTER,
+ THREAD_SCRIPTCHECK,
THREAD_MAX
};
extern bool fClient;
-extern bool fAllowDNS;
-extern uint64 nLocalServices;
-extern CAddress addrLocalHost;
+extern bool fDiscover;
+extern bool fUseUPnP;
+extern uint64_t nLocalServices;
+extern uint64_t nLocalHostNonce;
extern CAddress addrSeenByPeer;
-extern uint64 nLocalHostNonce;
extern boost::array<int, THREAD_MAX> vnThreadsRunning;
extern CAddrMan addrman;
extern std::vector<CNode*> vNodes;
extern CCriticalSection cs_vNodes;
+extern std::vector<std::string> vAddedNodes;
+extern CCriticalSection cs_vAddedNodes;
extern std::map<CInv, CDataStream> mapRelay;
-extern std::deque<std::pair<int64, CInv> > vRelayExpiration;
+extern std::deque<std::pair<int64_t, CInv> > vRelayExpiration;
extern CCriticalSection cs_mapRelay;
-extern std::map<CInv, int64> mapAlreadyAskedFor;
+extern std::map<CInv, int64_t> mapAlreadyAskedFor;
+
+
+
+class CNodeStats
+{
+public:
+ uint64_t nServices;
+ int64_t nLastSend;
+ int64_t nLastRecv;
+ int64_t nTimeConnected;
+ std::string addrName;
+ int32_t nVersion;
+ std::string strSubVer;
+ bool fInbound;
+ int64_t nReleaseTime;
+ int32_t nStartingHeight;
+ int32_t nMisbehavior;
+ uint64_t nSendBytes;
+ uint64_t nRecvBytes;
+ bool fSyncNode;
+};
{
public:
// socket
- uint64 nServices;
+ uint64_t nServices;
SOCKET hSocket;
CDataStream vSend;
CDataStream vRecv;
+ uint64_t nSendBytes;
+ uint64_t nRecvBytes;
CCriticalSection cs_vSend;
CCriticalSection cs_vRecv;
- int64 nLastSend;
- int64 nLastRecv;
- int64 nLastSendEmpty;
- int64 nTimeConnected;
- int nHeaderStart;
- unsigned int nMessageStart;
+ int64_t nLastSend;
+ int64_t nLastRecv;
+ int64_t nLastSendEmpty;
+ int64_t nTimeConnected;
+ int32_t nHeaderStart;
+ uint32_t nMessageStart;
CAddress addr;
- int nVersion;
+ std::string addrName;
+ CService addrLocal;
+ int32_t nVersion;
std::string strSubVer;
+ bool fOneShot;
bool fClient;
bool fInbound;
bool fNetworkNode;
bool fSuccessfullyConnected;
bool fDisconnect;
- bool fHasGrant; // whether to call semOutbound.post() at disconnect
+ CSemaphoreGrant grantOutbound;
protected:
int nRefCount;
// Denial-of-service detection/prevention
- // Key is ip address, value is banned-until-time
- static std::map<CNetAddr, int64> setBanned;
+ // Key is IP address, value is banned-until-time
+ static std::map<CNetAddr, int64_t> setBanned;
static CCriticalSection cs_setBanned;
int nMisbehavior;
public:
- int64 nReleaseTime;
+ int64_t nReleaseTime;
std::map<uint256, CRequestTracker> mapRequests;
CCriticalSection cs_mapRequests;
uint256 hashContinue;
CBlockIndex* pindexLastGetBlocksBegin;
uint256 hashLastGetBlocksEnd;
- int nStartingHeight;
+ int32_t nStartingHeight;
+ bool fStartSync;
// flood relay
std::vector<CAddress> vAddrToSend;
mruset<CInv> setInventoryKnown;
std::vector<CInv> vInventoryToSend;
CCriticalSection cs_inventory;
- std::multimap<int64, CInv> mapAskFor;
+ std::multimap<int64_t, CInv> mapAskFor;
- CNode(SOCKET hSocketIn, CAddress addrIn, bool fInboundIn=false) : vSend(SER_NETWORK, MIN_PROTO_VERSION), vRecv(SER_NETWORK, MIN_PROTO_VERSION)
+ CNode(SOCKET hSocketIn, CAddress addrIn, std::string addrNameIn = "", bool fInboundIn=false) : 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 = -1;
addr = addrIn;
+ addrName = addrNameIn == "" ? addr.ToStringIPPort() : addrNameIn;
nVersion = 0;
strSubVer = "";
+ fOneShot = false;
fClient = false; // set by version message
- fHasGrant = false;
fInbound = fInboundIn;
fNetworkNode = false;
fSuccessfullyConnected = false;
pindexLastGetBlocksBegin = 0;
hashLastGetBlocksEnd = 0;
nStartingHeight = -1;
+ fStartSync = false;
fGetAddr = false;
nMisbehavior = 0;
hashCheckpointKnown = 0;
- setInventoryKnown.max_size(SendBufferSize() / 1000);
+ setInventoryKnown.max_size((size_t)SendBufferSize() / 1000);
// Be shy and don't send version until we hear
- if (!fInbound)
+ if (hSocket != INVALID_SOCKET && !fInbound)
PushVersion();
}
}
}
+
private:
+ // Network usage totals
+ static CCriticalSection cs_totalBytesRecv;
+ static CCriticalSection cs_totalBytesSent;
+ static uint64_t nTotalBytesRecv;
+ static uint64_t nTotalBytesSent;
CNode(const CNode&);
void operator=(const CNode&);
public:
return std::max(nRefCount, 0) + (GetTime() < nReleaseTime ? 1 : 0);
}
- CNode* AddRef(int64 nTimeout=0)
+ CNode* AddRef(int64_t nTimeout=0)
{
if (nTimeout != 0)
nReleaseTime = std::max(nReleaseTime, GetTime() + nTimeout);
{
// We're using mapAskFor as a priority queue,
// the key is the earliest time the request can be sent
- int64& nRequestTime = mapAlreadyAskedFor[inv];
- printf("askfor %s %"PRI64d"\n", inv.ToString().c_str(), nRequestTime);
+ 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 nNow = (GetTime() - 1) * 1000000;
- static int64 nLastTime;
+ int64_t nNow = (GetTime() - 1) * 1000000;
+ static int64_t nLastTime;
++nLastTime;
nNow = std::max(nNow, nLastTime);
nLastTime = nNow;
ENTER_CRITICAL_SECTION(cs_vSend);
if (nHeaderStart != -1)
AbortMessage();
- nHeaderStart = vSend.size();
+ nHeaderStart = (int32_t)vSend.size();
vSend << CMessageHeader(pszCommand, 0);
- nMessageStart = vSend.size();
- if (fDebug) {
- printf("%s ", DateTimeStrFormat(GetTime()).c_str());
+ nMessageStart = (uint32_t)vSend.size();
+ if (fDebug)
printf("sending: %s ", pszCommand);
- }
}
void AbortMessage()
return;
// Set the size
- unsigned int nSize = vSend.size() - nMessageStart;
- memcpy((char*)&vSend[nHeaderStart] + offsetof(CMessageHeader, nMessageSize), &nSize, sizeof(nSize));
+ uint32_t nSize = (uint32_t) vSend.size() - nMessageStart;
+ memcpy((char*)&vSend[nHeaderStart] + CMessageHeader::MESSAGE_SIZE_OFFSET, &nSize, sizeof(nSize));
// Set the checksum
uint256 hash = Hash(vSend.begin() + nMessageStart, vSend.end());
- unsigned int nChecksum = 0;
+ uint32_t nChecksum = 0;
memcpy(&nChecksum, &hash, sizeof(nChecksum));
- assert(nMessageStart - nHeaderStart >= offsetof(CMessageHeader, nChecksum) + sizeof(nChecksum));
- memcpy((char*)&vSend[nHeaderStart] + offsetof(CMessageHeader, nChecksum), &nChecksum, 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);
{
if (nHeaderStart < 0)
return;
- int nSize = vSend.size() - nMessageStart;
+ int nSize = (int) vSend.size() - nMessageStart;
if (nSize > 0)
EndMessage();
else
static void ClearBanned(); // needed for unit testing
static bool IsBanned(CNetAddr ip);
bool Misbehaving(int howmuch); // 1 == a little, 100 == a lot
-};
-
-
-
-
-
-
-
-
+ void copyStats(CNodeStats &stats);
+ // Network stats
+ static void RecordBytesRecv(uint64_t bytes);
+ static void RecordBytesSent(uint64_t bytes);
+ static uint64_t GetTotalBytesRecv();
+ static uint64_t GetTotalBytesSent();
+};
inline void RelayInventory(const CInv& inv)
{
}
}
-template<typename T>
-void RelayMessage(const CInv& inv, const T& a)
-{
- CDataStream ss(SER_NETWORK, PROTOCOL_VERSION);
- ss.reserve(10000);
- ss << a;
- RelayMessage(inv, ss);
-}
-
-template<>
-inline void RelayMessage<>(const CInv& inv, const CDataStream& ss)
-{
- {
- LOCK(cs_mapRelay);
- // Expire old relay messages
- while (!vRelayExpiration.empty() && vRelayExpiration.front().first < GetTime())
- {
- mapRelay.erase(vRelayExpiration.front().second);
- vRelayExpiration.pop_front();
- }
-
- // Save original serialized message so newer versions are preserved
- mapRelay.insert(std::make_pair(inv, ss));
- vRelayExpiration.push_back(std::make_pair(GetTime() + 15 * 60, inv));
- }
-
- RelayInventory(inv);
-}
+class CTransaction;
+void RelayTransaction(const CTransaction& tx, const uint256& hash);
+void RelayTransaction(const CTransaction& tx, const uint256& hash, const CDataStream& ss);
#endif