diff options
| -rw-r--r-- | src/main.cpp | 56 | ||||
| -rw-r--r-- | src/net.h | 4 | ||||
| -rw-r--r-- | src/protocol.h | 7 | ||||
| -rw-r--r-- | src/serialize.h | 3 | ||||
| -rw-r--r-- | src/version.cpp | 10 | ||||
| -rw-r--r-- | src/version.h | 36 |
6 files changed, 88 insertions, 28 deletions
diff --git a/src/main.cpp b/src/main.cpp index f2932804e3..304204f61e 100644 --- a/src/main.cpp +++ b/src/main.cpp @@ -2135,8 +2135,21 @@ bool static AlreadyHave(CTxDB& txdb, const CInv& inv) { switch (inv.type) { - case MSG_TX: return mapTransactions.count(inv.hash) || mapOrphanTransactions.count(inv.hash) || txdb.ContainsTx(inv.hash); - case MSG_BLOCK: return mapBlockIndex.count(inv.hash) || mapOrphanBlocks.count(inv.hash); + case MSG_TX: + { + bool txInMap = false; + { + LOCK(cs_mapTransactions); + txInMap = (mapTransactions.count(inv.hash) != 0); + } + return txInMap || + mapOrphanTransactions.count(inv.hash) || + txdb.ContainsTx(inv.hash); + } + + case MSG_BLOCK: + return mapBlockIndex.count(inv.hash) || + mapOrphanBlocks.count(inv.hash); } // Don't know what it is, just say we already got one return true; @@ -2183,7 +2196,7 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv) CAddress addrFrom; uint64 nNonce = 1; vRecv >> pfrom->nVersion >> pfrom->nServices >> nTime >> addrMe; - if (pfrom->nVersion < 209) + if (pfrom->nVersion < MIN_PROTO_VERSION) { // Since February 20, 2012, the protocol is initiated at version 209, // and earlier versions are no longer supported @@ -2233,7 +2246,7 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv) } // Get recent addresses - if (pfrom->nVersion >= 31402 || addrman.size() < 1000) + if (pfrom->nVersion >= CADDR_TIME_VERSION || addrman.size() < 1000) { pfrom->PushMessage("getaddr"); pfrom->fGetAddr = true; @@ -2250,7 +2263,8 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv) // Ask the first connected node for block updates static int nAskedForBlocks = 0; if (!pfrom->fClient && - (pfrom->nVersion < 32000 || pfrom->nVersion >= 32400) && + (pfrom->nVersion < NOBLKS_VERSION_START || + pfrom->nVersion >= NOBLKS_VERSION_END) && (nAskedForBlocks < 1 || vNodes.size() <= 1)) { nAskedForBlocks++; @@ -2292,7 +2306,7 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv) vRecv >> vAddr; // Don't want addr from older versions unless seeding - if (pfrom->nVersion < 31402 && addrman.size() > 1000) + if (pfrom->nVersion < CADDR_TIME_VERSION && addrman.size() > 1000) return true; if (vAddr.size() > 1000) { @@ -2329,7 +2343,7 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv) multimap<uint256, CNode*> mapMix; BOOST_FOREACH(CNode* pnode, vNodes) { - if (pnode->nVersion < 31402) + if (pnode->nVersion < CADDR_TIME_VERSION) continue; unsigned int nPointer; memcpy(&nPointer, &pnode, sizeof(nPointer)); @@ -2651,6 +2665,23 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv) else if (strCommand == "ping") { + if (pfrom->nVersion > BIP0031_VERSION) + { + uint64 nonce = 0; + vRecv >> nonce; + // Echo the message back with the nonce. This allows for two useful features: + // + // 1) A remote node can quickly check if the connection is operational + // 2) Remote nodes can measure the latency of the network thread. If this node + // is overloaded it won't respond to pings quickly and the remote node can + // avoid sending us more work, like chain download requests. + // + // The nonce stops the remote getting confused between different pings: without + // it, if the remote node sends a ping once per second and this node takes 5 + // seconds to respond to each, the 5th ping the remote sends would appear to + // return very quickly. + pfrom->PushMessage("pong", nonce); + } } @@ -2813,9 +2844,14 @@ bool SendMessages(CNode* pto, bool fSendTrickle) if (pto->nVersion == 0) return true; - // Keep-alive ping - if (pto->nLastSend && GetTime() - pto->nLastSend > 30 * 60 && pto->vSend.empty()) - pto->PushMessage("ping"); + // Keep-alive ping. We send a nonce of zero because we don't use it anywhere + // right now. + if (pto->nLastSend && GetTime() - pto->nLastSend > 30 * 60 && pto->vSend.empty()) { + if (pto->nVersion > BIP0031_VERSION) + pto->PushMessage("ping", 0); + else + pto->PushMessage("ping"); + } // Resend wallet transactions that haven't gotten in a block yet ResendWalletTransactions(); @@ -163,8 +163,8 @@ public: hSocket = hSocketIn; vSend.SetType(SER_NETWORK); vRecv.SetType(SER_NETWORK); - vSend.SetVersion(209); - vRecv.SetVersion(209); + vSend.SetVersion(MIN_PROTO_VERSION); + vRecv.SetVersion(MIN_PROTO_VERSION); nLastSend = 0; nLastRecv = 0; nLastSendEmpty = GetTime(); diff --git a/src/protocol.h b/src/protocol.h index e639127355..a820563d08 100644 --- a/src/protocol.h +++ b/src/protocol.h @@ -79,9 +79,10 @@ class CAddress : public CService if (fRead) pthis->Init(); if (nType & SER_DISK) - READWRITE(nVersion); - if ((nType & SER_DISK) || (nVersion >= 31402 && !(nType & SER_GETHASH))) - READWRITE(nTime); + READWRITE(nVersion); + if ((nType & SER_DISK) || + (nVersion >= CADDR_TIME_VERSION && !(nType & SER_GETHASH))) + READWRITE(nTime); READWRITE(nServices); READWRITE(*pip); ) diff --git a/src/serialize.h b/src/serialize.h index 802dcf2254..d24624ebee 100644 --- a/src/serialize.h +++ b/src/serialize.h @@ -20,6 +20,7 @@ #include <boost/tuple/tuple_io.hpp> #include "allocators.h" +#include "version.h" typedef long long int64; typedef unsigned long long uint64; @@ -29,8 +30,6 @@ class CDataStream; class CAutoFile; static const unsigned int MAX_SIZE = 0x02000000; -static const int PROTOCOL_VERSION = 60000; - // Used to bypass the rule against non-const reference to temporary // where it makes sense with wrappers such as CFlatData or CTxDB template<typename T> diff --git a/src/version.cpp b/src/version.cpp index e1be5f491b..0c1e8bfa80 100644 --- a/src/version.cpp +++ b/src/version.cpp @@ -11,18 +11,8 @@ const std::string CLIENT_NAME("Satoshi"); // Client version number -#define CLIENT_VERSION_MAJOR 0 -#define CLIENT_VERSION_MINOR 6 -#define CLIENT_VERSION_REVISION 0 -#define CLIENT_VERSION_BUILD 99 #define CLIENT_VERSION_SUFFIX "-beta" -const int CLIENT_VERSION = 1000000 * CLIENT_VERSION_MAJOR - + 10000 * CLIENT_VERSION_MINOR - + 100 * CLIENT_VERSION_REVISION - + 1 * CLIENT_VERSION_BUILD; - - // The following part of the code determines the CLIENT_BUILD variable. // Several mechanisms are used for this: diff --git a/src/version.h b/src/version.h index c93b28fb7d..f63b1bdadd 100644 --- a/src/version.h +++ b/src/version.h @@ -6,9 +6,43 @@ #include <string> +// +// client versioning +// + +static const int CLIENT_VERSION_MAJOR = 0; +static const int CLIENT_VERSION_MINOR = 6; +static const int CLIENT_VERSION_REVISION = 0; +static const int CLIENT_VERSION_BUILD = 99; + +static const int CLIENT_VERSION = + 1000000 * CLIENT_VERSION_MAJOR + + 10000 * CLIENT_VERSION_MINOR + + 100 * CLIENT_VERSION_REVISION + + 1 * CLIENT_VERSION_BUILD; + extern const std::string CLIENT_NAME; extern const std::string CLIENT_BUILD; extern const std::string CLIENT_DATE; -extern const int CLIENT_VERSION; + +// +// network protocol versioning +// + +static const int PROTOCOL_VERSION = 60001; + +// earlier versions not supported as of Feb 2012, and are disconnected +static const int MIN_PROTO_VERSION = 209; + +// nTime field added to CAddress, starting with this version; +// if possible, avoid requesting addresses nodes older than this +static const int CADDR_TIME_VERSION = 31402; + +// only request blocks from nodes outside this range of versions +static const int NOBLKS_VERSION_START = 32000; +static const int NOBLKS_VERSION_END = 32400; + +// BIP 0031, pong message, is enabled for all versions AFTER this one +static const int BIP0031_VERSION = 60000; #endif |