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Version 1.1.0.0 update

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transcoder
2014-02-12 04:09:36 -07:00
parent 58decdbca7
commit f03acc635f
481 changed files with 156398 additions and 57772 deletions
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386
src/net.h
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@@ -1,7 +1,5 @@
// Copyright (c) 2009-2010 Satoshi Nakamoto
// Copyright (c) 2009-2012 The Bitcoin developers
// Copyright (c) 2011-2012 Litecoin Developers
// Copyright (c) 2013 CasinoCoin 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
@@ -17,18 +15,20 @@
#endif
#include "mruset.h"
#include "limitedmap.h"
#include "netbase.h"
#include "protocol.h"
#include "addrman.h"
#include "hash.h"
#include "bloom.h"
class CRequestTracker;
class CNode;
class CBlockIndex;
extern int nBestHeight;
inline unsigned int ReceiveBufferSize() { return 1000*GetArg("-maxreceivebuffer", 5*1000); }
inline unsigned int ReceiveFloodSize() { return 1000*GetArg("-maxreceivebuffer", 5*1000); }
inline unsigned int SendBufferSize() { return 1000*GetArg("-maxsendbuffer", 1*1000); }
void AddOneShot(std::string strDest);
@@ -37,12 +37,13 @@ bool GetMyExternalIP(CNetAddr& ipRet);
void AddressCurrentlyConnected(const CService& addr);
CNode* FindNode(const CNetAddr& ip);
CNode* FindNode(const CService& ip);
CNode* ConnectNode(CAddress addrConnect, const char *strDest = NULL, int64 nTimeout=0);
void MapPort();
CNode* ConnectNode(CAddress addrConnect, const char *strDest = NULL);
void MapPort(bool fUseUPnP);
unsigned short GetListenPort();
bool BindListenPort(const CService &bindAddr, std::string& strError=REF(std::string()));
void StartNode(void* parg);
void StartNode(boost::thread_group& threadGroup);
bool StopNode();
void SocketSendData(CNode *pnode);
enum
{
@@ -50,8 +51,7 @@ enum
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 similars
LOCAL_HTTP, // address reported by whatismyip.com and similar
LOCAL_MANUAL, // address explicitly specified (-externalip=)
LOCAL_MAX
@@ -70,62 +70,21 @@ void SetReachable(enum Network net, bool fFlag = true);
CAddress GetLocalAddress(const CNetAddr *paddrPeer = NULL);
enum
{
MSG_TX = 1,
MSG_BLOCK,
};
class CRequestTracker
{
public:
void (*fn)(void*, CDataStream&);
void* param1;
explicit CRequestTracker(void (*fnIn)(void*, CDataStream&)=NULL, void* param1In=NULL)
{
fn = fnIn;
param1 = param1In;
}
bool IsNull()
{
return fn == NULL;
}
};
/** Thread types */
enum threadId
{
THREAD_SOCKETHANDLER,
THREAD_OPENCONNECTIONS,
THREAD_MESSAGEHANDLER,
THREAD_MINER,
THREAD_RPCLISTENER,
THREAD_UPNP,
THREAD_DNSSEED,
THREAD_ADDEDCONNECTIONS,
THREAD_DUMPADDRESS,
THREAD_RPCHANDLER,
THREAD_MAX
};
extern bool fClient;
extern bool fDiscover;
extern bool fUseUPnP;
extern uint64 nLocalServices;
extern uint64 nLocalHostNonce;
extern boost::array<int, THREAD_MAX> vnThreadsRunning;
extern CAddrMan addrman;
extern int nMaxConnections;
extern std::vector<CNode*> vNodes;
extern CCriticalSection cs_vNodes;
extern std::map<CInv, CDataStream> mapRelay;
extern std::deque<std::pair<int64, CInv> > vRelayExpiration;
extern CCriticalSection cs_mapRelay;
extern std::map<CInv, int64> mapAlreadyAskedFor;
extern limitedmap<CInv, int64> mapAlreadyAskedFor;
extern std::vector<std::string> vAddedNodes;
extern CCriticalSection cs_vAddedNodes;
@@ -139,11 +98,52 @@ public:
int64 nTimeConnected;
std::string addrName;
int nVersion;
std::string strSubVer;
std::string cleanSubVer;
bool fInbound;
int64 nReleaseTime;
int nStartingHeight;
int nMisbehavior;
uint64 nSendBytes;
uint64 nRecvBytes;
uint64 nBlocksRequested;
bool fSyncNode;
};
class CNetMessage {
public:
bool in_data; // parsing header (false) or data (true)
CDataStream hdrbuf; // partially received header
CMessageHeader hdr; // complete header
unsigned int nHdrPos;
CDataStream vRecv; // received message data
unsigned int nDataPos;
CNetMessage(int nTypeIn, int nVersionIn) : hdrbuf(nTypeIn, nVersionIn), vRecv(nTypeIn, nVersionIn) {
hdrbuf.resize(24);
in_data = false;
nHdrPos = 0;
nDataPos = 0;
}
bool complete() const
{
if (!in_data)
return false;
return (hdr.nMessageSize == nDataPos);
}
void SetVersion(int nVersionIn)
{
hdrbuf.SetVersion(nVersionIn);
vRecv.SetVersion(nVersionIn);
}
int readHeader(const char *pch, unsigned int nBytes);
int readData(const char *pch, unsigned int nBytes);
};
@@ -157,45 +157,62 @@ public:
// socket
uint64 nServices;
SOCKET hSocket;
CDataStream vSend;
CDataStream vRecv;
CDataStream ssSend;
size_t nSendSize; // total size of all vSendMsg entries
size_t nSendOffset; // offset inside the first vSendMsg already sent
uint64 nSendBytes;
std::deque<CSerializeData> vSendMsg;
CCriticalSection cs_vSend;
CCriticalSection cs_vRecv;
std::deque<CInv> vRecvGetData;
std::deque<CNetMessage> vRecvMsg;
CCriticalSection cs_vRecvMsg;
uint64 nRecvBytes;
int nRecvVersion;
int64 nLastSend;
int64 nLastRecv;
int64 nLastSendEmpty;
int64 nTimeConnected;
int nHeaderStart;
unsigned int nMessageStart;
uint64 nBlocksRequested;
CAddress addr;
std::string addrName;
CService addrLocal;
int nVersion;
std::string strSubVer;
// strSubVer is whatever byte array we read from the wire. However, this field is intended
// to be printed out, displayed to humans in various forms and so on. So we sanitize it and
// store the sanitized version in cleanSubVer. The original should be used when dealing with
// the network or wire types and the cleaned string used when displayed or logged.
std::string strSubVer, cleanSubVer;
bool fOneShot;
bool fClient;
bool fInbound;
bool fNetworkNode;
bool fSuccessfullyConnected;
bool fDisconnect;
// We use fRelayTxes for two purposes -
// a) it allows us to not relay tx invs before receiving the peer's version message
// b) the peer may tell us in their version message that we should not relay tx invs
// until they have initialized their bloom filter.
bool fRelayTxes;
CSemaphoreGrant grantOutbound;
protected:
CCriticalSection cs_filter;
CBloomFilter* pfilter;
int nRefCount;
protected:
// Denial-of-service detection/prevention
// Key is ip address, value is banned-until-time
// Key is IP address, value is banned-until-time
static std::map<CNetAddr, int64> setBanned;
static CCriticalSection cs_setBanned;
int nMisbehavior;
public:
int64 nReleaseTime;
std::map<uint256, CRequestTracker> mapRequests;
CCriticalSection cs_mapRequests;
uint256 hashContinue;
CBlockIndex* pindexLastGetBlocksBegin;
uint256 hashLastGetBlocksEnd;
int nStartingHeight;
bool fStartSync;
// flood relay
std::vector<CAddress> vAddrToSend;
@@ -209,16 +226,18 @@ public:
CCriticalSection cs_inventory;
std::multimap<int64, CInv> mapAskFor;
CNode(SOCKET hSocketIn, CAddress addrIn, std::string addrNameIn = "", 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) : ssSend(SER_NETWORK, INIT_PROTO_VERSION)
{
nServices = 0;
hSocket = hSocketIn;
nRecvVersion = INIT_PROTO_VERSION;
nLastSend = 0;
nLastRecv = 0;
nSendBytes = 0;
nRecvBytes = 0;
nLastSendEmpty = GetTime();
nTimeConnected = GetTime();
nHeaderStart = -1;
nMessageStart = -1;
nBlocksRequested = 0;
addr = addrIn;
addrName = addrNameIn == "" ? addr.ToStringIPPort() : addrNameIn;
nVersion = 0;
@@ -230,17 +249,21 @@ public:
fSuccessfullyConnected = false;
fDisconnect = false;
nRefCount = 0;
nReleaseTime = 0;
nSendSize = 0;
nSendOffset = 0;
hashContinue = 0;
pindexLastGetBlocksBegin = 0;
hashLastGetBlocksEnd = 0;
nStartingHeight = -1;
fStartSync = false;
fGetAddr = false;
nMisbehavior = 0;
fRelayTxes = false;
setInventoryKnown.max_size(SendBufferSize() / 1000);
pfilter = new CBloomFilter();
// Be shy and don't send version until we hear
if (!fInbound)
if (hSocket != INVALID_SOCKET && !fInbound)
PushVersion();
}
@@ -251,6 +274,8 @@ public:
closesocket(hSocket);
hSocket = INVALID_SOCKET;
}
if (pfilter)
delete pfilter;
}
private:
@@ -261,15 +286,33 @@ public:
int GetRefCount()
{
return std::max(nRefCount, 0) + (GetTime() < nReleaseTime ? 1 : 0);
assert(nRefCount >= 0);
return nRefCount;
}
CNode* AddRef(int64 nTimeout=0)
// requires LOCK(cs_vRecvMsg)
unsigned int GetTotalRecvSize()
{
if (nTimeout != 0)
nReleaseTime = std::max(nReleaseTime, GetTime() + nTimeout);
else
nRefCount++;
unsigned int total = 0;
BOOST_FOREACH(const CNetMessage &msg, vRecvMsg)
total += msg.vRecv.size() + 24;
return total;
}
// requires LOCK(cs_vRecvMsg)
bool ReceiveMsgBytes(const char *pch, unsigned int nBytes);
// requires LOCK(cs_vRecvMsg)
void SetRecvVersion(int nVersionIn)
{
nRecvVersion = nVersionIn;
BOOST_FOREACH(CNetMessage &msg, vRecvMsg)
msg.SetVersion(nVersionIn);
}
CNode* AddRef()
{
nRefCount++;
return this;
}
@@ -316,9 +359,14 @@ public:
{
// We're using mapAskFor as a priority queue,
// the key is the earliest time the request can be sent
int64& nRequestTime = mapAlreadyAskedFor[inv];
int64 nRequestTime;
limitedmap<CInv, int64>::const_iterator it = mapAlreadyAskedFor.find(inv);
if (it != mapAlreadyAskedFor.end())
nRequestTime = it->second;
else
nRequestTime = 0;
if (fDebugNet)
printf("askfor %s %"PRI64d"\n", inv.ToString().c_str(), nRequestTime);
printf("askfor %s %"PRI64d" (%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;
@@ -329,37 +377,38 @@ public:
// Each retry is 2 minutes after the last
nRequestTime = std::max(nRequestTime + 2 * 60 * 1000000, nNow);
if (it != mapAlreadyAskedFor.end())
mapAlreadyAskedFor.update(it, nRequestTime);
else
mapAlreadyAskedFor.insert(std::make_pair(inv, nRequestTime));
mapAskFor.insert(std::make_pair(nRequestTime, inv));
}
void BeginMessage(const char* pszCommand)
// TODO: Document the postcondition of this function. Is cs_vSend locked?
void BeginMessage(const char* pszCommand) EXCLUSIVE_LOCK_FUNCTION(cs_vSend)
{
ENTER_CRITICAL_SECTION(cs_vSend);
if (nHeaderStart != -1)
AbortMessage();
nHeaderStart = vSend.size();
vSend << CMessageHeader(pszCommand, 0);
nMessageStart = vSend.size();
assert(ssSend.size() == 0);
ssSend << CMessageHeader(pszCommand, 0);
if (fDebug)
printf("sending: %s ", pszCommand);
}
void AbortMessage()
// TODO: Document the precondition of this function. Is cs_vSend locked?
void AbortMessage() UNLOCK_FUNCTION(cs_vSend)
{
if (nHeaderStart < 0)
return;
vSend.resize(nHeaderStart);
nHeaderStart = -1;
nMessageStart = -1;
ssSend.clear();
LEAVE_CRITICAL_SECTION(cs_vSend);
if (fDebug)
printf("(aborted)\n");
}
void EndMessage()
// TODO: Document the precondition of this function. Is cs_vSend locked?
void EndMessage() UNLOCK_FUNCTION(cs_vSend)
{
if (mapArgs.count("-dropmessagestest") && GetRand(atoi(mapArgs["-dropmessagestest"])) == 0)
{
@@ -368,42 +417,35 @@ public:
return;
}
if (nHeaderStart < 0)
if (ssSend.size() == 0)
return;
// Set the size
unsigned int nSize = vSend.size() - nMessageStart;
memcpy((char*)&vSend[nHeaderStart] + CMessageHeader::MESSAGE_SIZE_OFFSET, &nSize, sizeof(nSize));
unsigned int nSize = ssSend.size() - CMessageHeader::HEADER_SIZE;
memcpy((char*)&ssSend[CMessageHeader::MESSAGE_SIZE_OFFSET], &nSize, sizeof(nSize));
// Set the checksum
uint256 hash = Hash(vSend.begin() + nMessageStart, vSend.end());
uint256 hash = Hash(ssSend.begin() + CMessageHeader::HEADER_SIZE, ssSend.end());
unsigned int nChecksum = 0;
memcpy(&nChecksum, &hash, sizeof(nChecksum));
assert(nMessageStart - nHeaderStart >= CMessageHeader::CHECKSUM_OFFSET + sizeof(nChecksum));
memcpy((char*)&vSend[nHeaderStart] + CMessageHeader::CHECKSUM_OFFSET, &nChecksum, sizeof(nChecksum));
assert(ssSend.size () >= CMessageHeader::CHECKSUM_OFFSET + sizeof(nChecksum));
memcpy((char*)&ssSend[CMessageHeader::CHECKSUM_OFFSET], &nChecksum, sizeof(nChecksum));
if (fDebug) {
printf("(%d bytes)\n", nSize);
}
nHeaderStart = -1;
nMessageStart = -1;
std::deque<CSerializeData>::iterator it = vSendMsg.insert(vSendMsg.end(), CSerializeData());
ssSend.GetAndClear(*it);
nSendSize += (*it).size();
// If write queue empty, attempt "optimistic write"
if (it == vSendMsg.begin())
SocketSendData(this);
LEAVE_CRITICAL_SECTION(cs_vSend);
}
void EndMessageAbortIfEmpty()
{
if (nHeaderStart < 0)
return;
int nSize = vSend.size() - nMessageStart;
if (nSize > 0)
EndMessage();
else
AbortMessage();
}
void PushVersion();
@@ -427,7 +469,7 @@ public:
try
{
BeginMessage(pszCommand);
vSend << a1;
ssSend << a1;
EndMessage();
}
catch (...)
@@ -443,7 +485,7 @@ public:
try
{
BeginMessage(pszCommand);
vSend << a1 << a2;
ssSend << a1 << a2;
EndMessage();
}
catch (...)
@@ -459,7 +501,7 @@ public:
try
{
BeginMessage(pszCommand);
vSend << a1 << a2 << a3;
ssSend << a1 << a2 << a3;
EndMessage();
}
catch (...)
@@ -475,7 +517,7 @@ public:
try
{
BeginMessage(pszCommand);
vSend << a1 << a2 << a3 << a4;
ssSend << a1 << a2 << a3 << a4;
EndMessage();
}
catch (...)
@@ -491,7 +533,7 @@ public:
try
{
BeginMessage(pszCommand);
vSend << a1 << a2 << a3 << a4 << a5;
ssSend << a1 << a2 << a3 << a4 << a5;
EndMessage();
}
catch (...)
@@ -507,7 +549,7 @@ public:
try
{
BeginMessage(pszCommand);
vSend << a1 << a2 << a3 << a4 << a5 << a6;
ssSend << a1 << a2 << a3 << a4 << a5 << a6;
EndMessage();
}
catch (...)
@@ -523,7 +565,7 @@ public:
try
{
BeginMessage(pszCommand);
vSend << a1 << a2 << a3 << a4 << a5 << a6 << a7;
ssSend << a1 << a2 << a3 << a4 << a5 << a6 << a7;
EndMessage();
}
catch (...)
@@ -539,7 +581,7 @@ public:
try
{
BeginMessage(pszCommand);
vSend << a1 << a2 << a3 << a4 << a5 << a6 << a7 << a8;
ssSend << a1 << a2 << a3 << a4 << a5 << a6 << a7 << a8;
EndMessage();
}
catch (...)
@@ -555,7 +597,7 @@ public:
try
{
BeginMessage(pszCommand);
vSend << a1 << a2 << a3 << a4 << a5 << a6 << a7 << a8 << a9;
ssSend << a1 << a2 << a3 << a4 << a5 << a6 << a7 << a8 << a9;
EndMessage();
}
catch (...)
@@ -565,53 +607,6 @@ public:
}
}
void PushRequest(const char* pszCommand,
void (*fn)(void*, CDataStream&), void* param1)
{
uint256 hashReply;
RAND_bytes((unsigned char*)&hashReply, sizeof(hashReply));
{
LOCK(cs_mapRequests);
mapRequests[hashReply] = CRequestTracker(fn, param1);
}
PushMessage(pszCommand, hashReply);
}
template<typename T1>
void PushRequest(const char* pszCommand, const T1& a1,
void (*fn)(void*, CDataStream&), void* param1)
{
uint256 hashReply;
RAND_bytes((unsigned char*)&hashReply, sizeof(hashReply));
{
LOCK(cs_mapRequests);
mapRequests[hashReply] = CRequestTracker(fn, param1);
}
PushMessage(pszCommand, hashReply, a1);
}
template<typename T1, typename T2>
void PushRequest(const char* pszCommand, const T1& a1, const T2& a2,
void (*fn)(void*, CDataStream&), void* param1)
{
uint256 hashReply;
RAND_bytes((unsigned char*)&hashReply, sizeof(hashReply));
{
LOCK(cs_mapRequests);
mapRequests[hashReply] = CRequestTracker(fn, param1);
}
PushMessage(pszCommand, hashReply, a1, a2);
}
void PushGetBlocks(CBlockIndex* pindexBegin, uint256 hashEnd);
bool IsSubscribed(unsigned int nChannel);
void Subscribe(unsigned int nChannel, unsigned int nHops=0);
@@ -642,51 +637,8 @@ public:
inline void RelayInventory(const CInv& inv)
{
// Put on lists to offer to the other nodes
{
LOCK(cs_vNodes);
BOOST_FOREACH(CNode* pnode, vNodes)
pnode->PushInventory(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