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-rw-r--r--src/main.cpp131
-rw-r--r--src/net.cpp46
-rw-r--r--src/net.h35
3 files changed, 93 insertions, 119 deletions
diff --git a/src/main.cpp b/src/main.cpp
index 11c7b2ec6a..559538165c 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -18,6 +18,7 @@
#include "init.h"
#include "merkleblock.h"
#include "net.h"
+#include "netmessagemaker.h"
#include "netbase.h"
#include "policy/fees.h"
#include "policy/policy.h"
@@ -368,8 +369,8 @@ void PushNodeVersion(CNode *pnode, CConnman& connman, int64_t nTime)
CAddress addrYou = (addr.IsRoutable() && !IsProxy(addr) ? addr : CAddress(CService(), addr.nServices));
CAddress addrMe = CAddress(CService(), nLocalNodeServices);
- connman.PushMessageWithVersion(pnode, INIT_PROTO_VERSION, NetMsgType::VERSION, PROTOCOL_VERSION, (uint64_t)nLocalNodeServices, nTime, addrYou, addrMe,
- nonce, strSubVersion, nNodeStartingHeight, ::fRelayTxes);
+ connman.PushMessage(pnode, CNetMsgMaker(INIT_PROTO_VERSION).Make(NetMsgType::VERSION, PROTOCOL_VERSION, (uint64_t)nLocalNodeServices, nTime, addrYou, addrMe,
+ nonce, strSubVersion, nNodeStartingHeight, ::fRelayTxes));
if (fLogIPs)
LogPrint("net", "send version message: version %d, blocks=%d, us=%s, them=%s, peer=%d\n", PROTOCOL_VERSION, nNodeStartingHeight, addrMe.ToString(), addrYou.ToString(), nodeid);
@@ -530,13 +531,13 @@ void MaybeSetPeerAsAnnouncingHeaderAndIDs(const CNodeState* nodestate, CNode* pf
// As per BIP152, we only get 3 of our peers to announce
// blocks using compact encodings.
connman.ForNode(lNodesAnnouncingHeaderAndIDs.front(), [&connman, fAnnounceUsingCMPCTBLOCK, nCMPCTBLOCKVersion](CNode* pnodeStop){
- connman.PushMessage(pnodeStop, NetMsgType::SENDCMPCT, fAnnounceUsingCMPCTBLOCK, nCMPCTBLOCKVersion);
+ connman.PushMessage(pnodeStop, CNetMsgMaker(pnodeStop->GetSendVersion()).Make(NetMsgType::SENDCMPCT, fAnnounceUsingCMPCTBLOCK, nCMPCTBLOCKVersion));
return true;
});
lNodesAnnouncingHeaderAndIDs.pop_front();
}
fAnnounceUsingCMPCTBLOCK = true;
- connman.PushMessage(pfrom, NetMsgType::SENDCMPCT, fAnnounceUsingCMPCTBLOCK, nCMPCTBLOCKVersion);
+ connman.PushMessage(pfrom, CNetMsgMaker(pfrom->GetSendVersion()).Make(NetMsgType::SENDCMPCT, fAnnounceUsingCMPCTBLOCK, nCMPCTBLOCKVersion));
lNodesAnnouncingHeaderAndIDs.push_back(pfrom->GetId());
}
}
@@ -4893,9 +4894,8 @@ void static ProcessGetData(CNode* pfrom, const Consensus::Params& consensusParam
{
std::deque<CInv>::iterator it = pfrom->vRecvGetData.begin();
unsigned int nMaxSendBufferSize = connman.GetSendBufferSize();
-
vector<CInv> vNotFound;
-
+ CNetMsgMaker msgMaker(pfrom->GetSendVersion());
LOCK(cs_main);
while (it != pfrom->vRecvGetData.end()) {
@@ -4949,9 +4949,9 @@ void static ProcessGetData(CNode* pfrom, const Consensus::Params& consensusParam
if (!ReadBlockFromDisk(block, (*mi).second, consensusParams))
assert(!"cannot load block from disk");
if (inv.type == MSG_BLOCK)
- connman.PushMessageWithFlag(pfrom, SERIALIZE_TRANSACTION_NO_WITNESS, NetMsgType::BLOCK, block);
+ connman.PushMessage(pfrom, msgMaker.Make(SERIALIZE_TRANSACTION_NO_WITNESS, NetMsgType::BLOCK, block));
else if (inv.type == MSG_WITNESS_BLOCK)
- connman.PushMessage(pfrom, NetMsgType::BLOCK, block);
+ connman.PushMessage(pfrom, msgMaker.Make(NetMsgType::BLOCK, block));
else if (inv.type == MSG_FILTERED_BLOCK)
{
bool sendMerkleBlock = false;
@@ -4964,7 +4964,7 @@ void static ProcessGetData(CNode* pfrom, const Consensus::Params& consensusParam
}
}
if (sendMerkleBlock) {
- connman.PushMessage(pfrom, NetMsgType::MERKLEBLOCK, merkleBlock);
+ connman.PushMessage(pfrom, msgMaker.Make(NetMsgType::MERKLEBLOCK, merkleBlock));
// CMerkleBlock just contains hashes, so also push any transactions in the block the client did not see
// This avoids hurting performance by pointlessly requiring a round-trip
// Note that there is currently no way for a node to request any single transactions we didn't send here -
@@ -4973,7 +4973,7 @@ void static ProcessGetData(CNode* pfrom, const Consensus::Params& consensusParam
// however we MUST always provide at least what the remote peer needs
typedef std::pair<unsigned int, uint256> PairType;
BOOST_FOREACH(PairType& pair, merkleBlock.vMatchedTxn)
- connman.PushMessageWithFlag(pfrom, SERIALIZE_TRANSACTION_NO_WITNESS, NetMsgType::TX, *block.vtx[pair.first]);
+ connman.PushMessage(pfrom, msgMaker.Make(SERIALIZE_TRANSACTION_NO_WITNESS, NetMsgType::TX, *block.vtx[pair.first]));
}
// else
// no response
@@ -4985,11 +4985,12 @@ void static ProcessGetData(CNode* pfrom, const Consensus::Params& consensusParam
// and we don't feel like constructing the object for them, so
// instead we respond with the full, non-compact block.
bool fPeerWantsWitness = State(pfrom->GetId())->fWantsCmpctWitness;
+ int nSendFlags = fPeerWantsWitness ? 0 : SERIALIZE_TRANSACTION_NO_WITNESS;
if (CanDirectFetch(consensusParams) && mi->second->nHeight >= chainActive.Height() - MAX_CMPCTBLOCK_DEPTH) {
CBlockHeaderAndShortTxIDs cmpctblock(block, fPeerWantsWitness);
- connman.PushMessageWithFlag(pfrom, fPeerWantsWitness ? 0 : SERIALIZE_TRANSACTION_NO_WITNESS, NetMsgType::CMPCTBLOCK, cmpctblock);
+ connman.PushMessage(pfrom, msgMaker.Make(nSendFlags, NetMsgType::CMPCTBLOCK, cmpctblock));
} else
- connman.PushMessageWithFlag(pfrom, fPeerWantsWitness ? 0 : SERIALIZE_TRANSACTION_NO_WITNESS, NetMsgType::BLOCK, block);
+ connman.PushMessage(pfrom, msgMaker.Make(nSendFlags, NetMsgType::BLOCK, block));
}
// Trigger the peer node to send a getblocks request for the next batch of inventory
@@ -5000,7 +5001,7 @@ void static ProcessGetData(CNode* pfrom, const Consensus::Params& consensusParam
// wait for other stuff first.
vector<CInv> vInv;
vInv.push_back(CInv(MSG_BLOCK, chainActive.Tip()->GetBlockHash()));
- connman.PushMessage(pfrom, NetMsgType::INV, vInv);
+ connman.PushMessage(pfrom, msgMaker.Make(NetMsgType::INV, vInv));
pfrom->hashContinue.SetNull();
}
}
@@ -5010,15 +5011,16 @@ void static ProcessGetData(CNode* pfrom, const Consensus::Params& consensusParam
// Send stream from relay memory
bool push = false;
auto mi = mapRelay.find(inv.hash);
+ int nSendFlags = (inv.type == MSG_TX ? SERIALIZE_TRANSACTION_NO_WITNESS : 0);
if (mi != mapRelay.end()) {
- connman.PushMessageWithFlag(pfrom, inv.type == MSG_TX ? SERIALIZE_TRANSACTION_NO_WITNESS : 0, NetMsgType::TX, *mi->second);
+ connman.PushMessage(pfrom, msgMaker.Make(nSendFlags, NetMsgType::TX, *mi->second));
push = true;
} else if (pfrom->timeLastMempoolReq) {
auto txinfo = mempool.info(inv.hash);
// To protect privacy, do not answer getdata using the mempool when
// that TX couldn't have been INVed in reply to a MEMPOOL request.
if (txinfo.tx && txinfo.nTime <= pfrom->timeLastMempoolReq) {
- connman.PushMessageWithFlag(pfrom, inv.type == MSG_TX ? SERIALIZE_TRANSACTION_NO_WITNESS : 0, NetMsgType::TX, *txinfo.tx);
+ connman.PushMessage(pfrom, msgMaker.Make(nSendFlags, NetMsgType::TX, *txinfo.tx));
push = true;
}
}
@@ -5045,7 +5047,7 @@ void static ProcessGetData(CNode* pfrom, const Consensus::Params& consensusParam
// do that because they want to know about (and store and rebroadcast and
// risk analyze) the dependencies of transactions relevant to them, without
// having to download the entire memory pool.
- connman.PushMessage(pfrom, NetMsgType::NOTFOUND, vNotFound);
+ connman.PushMessage(pfrom, msgMaker.Make(NetMsgType::NOTFOUND, vNotFound));
}
}
@@ -5089,7 +5091,7 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv,
// Each connection can only send one version message
if (pfrom->nVersion != 0)
{
- connman.PushMessageWithVersion(pfrom, INIT_PROTO_VERSION, NetMsgType::REJECT, strCommand, REJECT_DUPLICATE, string("Duplicate version message"));
+ connman.PushMessage(pfrom, CNetMsgMaker(INIT_PROTO_VERSION).Make(NetMsgType::REJECT, strCommand, REJECT_DUPLICATE, string("Duplicate version message")));
LOCK(cs_main);
Misbehaving(pfrom->GetId(), 1);
return false;
@@ -5109,8 +5111,8 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv,
if (pfrom->nServicesExpected & ~pfrom->nServices)
{
LogPrint("net", "peer=%d does not offer the expected services (%08x offered, %08x expected); disconnecting\n", pfrom->id, pfrom->nServices, pfrom->nServicesExpected);
- connman.PushMessageWithVersion(pfrom, INIT_PROTO_VERSION, NetMsgType::REJECT, strCommand, REJECT_NONSTANDARD,
- strprintf("Expected to offer services %08x", pfrom->nServicesExpected));
+ connman.PushMessage(pfrom, CNetMsgMaker(INIT_PROTO_VERSION).Make(NetMsgType::REJECT, strCommand, REJECT_NONSTANDARD,
+ strprintf("Expected to offer services %08x", pfrom->nServicesExpected)));
pfrom->fDisconnect = true;
return false;
}
@@ -5119,8 +5121,8 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv,
{
// disconnect from peers older than this proto version
LogPrintf("peer=%d using obsolete version %i; disconnecting\n", pfrom->id, pfrom->nVersion);
- connman.PushMessageWithVersion(pfrom, INIT_PROTO_VERSION, NetMsgType::REJECT, strCommand, REJECT_OBSOLETE,
- strprintf("Version must be %d or greater", MIN_PEER_PROTO_VERSION));
+ connman.PushMessage(pfrom, CNetMsgMaker(INIT_PROTO_VERSION).Make(NetMsgType::REJECT, strCommand, REJECT_OBSOLETE,
+ strprintf("Version must be %d or greater", MIN_PEER_PROTO_VERSION)));
pfrom->fDisconnect = true;
return false;
}
@@ -5177,8 +5179,9 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv,
}
// Change version
- connman.PushMessageWithVersion(pfrom, INIT_PROTO_VERSION, NetMsgType::VERACK);
- pfrom->SetSendVersion(min(pfrom->nVersion, PROTOCOL_VERSION));
+ connman.PushMessage(pfrom, CNetMsgMaker(INIT_PROTO_VERSION).Make(NetMsgType::VERACK));
+ int nSendVersion = std::min(pfrom->nVersion, PROTOCOL_VERSION);
+ pfrom->SetSendVersion(nSendVersion);
if (!pfrom->fInbound)
{
@@ -5201,7 +5204,7 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv,
// Get recent addresses
if (pfrom->fOneShot || pfrom->nVersion >= CADDR_TIME_VERSION || connman.GetAddressCount() < 1000)
{
- connman.PushMessage(pfrom, NetMsgType::GETADDR);
+ connman.PushMessage(pfrom, CNetMsgMaker(nSendVersion).Make(NetMsgType::GETADDR));
pfrom->fGetAddr = true;
}
connman.MarkAddressGood(pfrom->addr);
@@ -5227,6 +5230,7 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv,
assert(pfrom->fInbound == false);
pfrom->fDisconnect = true;
}
+ return true;
}
@@ -5238,8 +5242,10 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv,
return false;
}
+ // At this point, the outgoing message serialization version can't change.
+ CNetMsgMaker msgMaker(pfrom->GetSendVersion());
- else if (strCommand == NetMsgType::VERACK)
+ if (strCommand == NetMsgType::VERACK)
{
pfrom->SetRecvVersion(min(pfrom->nVersion, PROTOCOL_VERSION));
@@ -5254,7 +5260,7 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv,
// We send this to non-NODE NETWORK peers as well, because even
// non-NODE NETWORK peers can announce blocks (such as pruning
// nodes)
- connman.PushMessage(pfrom, NetMsgType::SENDHEADERS);
+ connman.PushMessage(pfrom, msgMaker.Make(NetMsgType::SENDHEADERS));
}
if (pfrom->nVersion >= SHORT_IDS_BLOCKS_VERSION) {
// Tell our peer we are willing to provide version 1 or 2 cmpctblocks
@@ -5265,9 +5271,9 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv,
bool fAnnounceUsingCMPCTBLOCK = false;
uint64_t nCMPCTBLOCKVersion = 2;
if (pfrom->GetLocalServices() & NODE_WITNESS)
- connman.PushMessage(pfrom, NetMsgType::SENDCMPCT, fAnnounceUsingCMPCTBLOCK, nCMPCTBLOCKVersion);
+ connman.PushMessage(pfrom, msgMaker.Make(NetMsgType::SENDCMPCT, fAnnounceUsingCMPCTBLOCK, nCMPCTBLOCKVersion));
nCMPCTBLOCKVersion = 1;
- connman.PushMessage(pfrom, NetMsgType::SENDCMPCT, fAnnounceUsingCMPCTBLOCK, nCMPCTBLOCKVersion);
+ connman.PushMessage(pfrom, msgMaker.Make(NetMsgType::SENDCMPCT, fAnnounceUsingCMPCTBLOCK, nCMPCTBLOCKVersion));
}
}
@@ -5392,7 +5398,7 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv,
// fell back to inv we probably have a reorg which we should get the headers for first,
// we now only provide a getheaders response here. When we receive the headers, we will
// then ask for the blocks we need.
- connman.PushMessage(pfrom, NetMsgType::GETHEADERS, chainActive.GetLocator(pindexBestHeader), inv.hash);
+ connman.PushMessage(pfrom, msgMaker.Make(NetMsgType::GETHEADERS, chainActive.GetLocator(pindexBestHeader), inv.hash));
LogPrint("net", "getheaders (%d) %s to peer=%d\n", pindexBestHeader->nHeight, inv.hash.ToString(), pfrom->id);
}
}
@@ -5415,7 +5421,7 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv,
}
if (!vToFetch.empty())
- connman.PushMessage(pfrom, NetMsgType::GETDATA, vToFetch);
+ connman.PushMessage(pfrom, msgMaker.Make(NetMsgType::GETDATA, vToFetch));
}
@@ -5527,7 +5533,8 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv,
}
resp.txn[i] = block.vtx[req.indexes[i]];
}
- connman.PushMessageWithFlag(pfrom, State(pfrom->GetId())->fWantsCmpctWitness ? 0 : SERIALIZE_TRANSACTION_NO_WITNESS, NetMsgType::BLOCKTXN, resp);
+ int nSendFlags = State(pfrom->GetId())->fWantsCmpctWitness ? 0 : SERIALIZE_TRANSACTION_NO_WITNESS;
+ connman.PushMessage(pfrom, msgMaker.Make(nSendFlags, NetMsgType::BLOCKTXN, resp));
}
@@ -5576,7 +5583,7 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv,
// headers message). In both cases it's safe to update
// pindexBestHeaderSent to be our tip.
nodestate->pindexBestHeaderSent = pindex ? pindex : chainActive.Tip();
- connman.PushMessage(pfrom, NetMsgType::HEADERS, vHeaders);
+ connman.PushMessage(pfrom, msgMaker.Make(NetMsgType::HEADERS, vHeaders));
}
@@ -5739,8 +5746,8 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv,
pfrom->id,
FormatStateMessage(state));
if (state.GetRejectCode() < REJECT_INTERNAL) // Never send AcceptToMemoryPool's internal codes over P2P
- connman.PushMessage(pfrom, NetMsgType::REJECT, strCommand, (unsigned char)state.GetRejectCode(),
- state.GetRejectReason().substr(0, MAX_REJECT_MESSAGE_LENGTH), inv.hash);
+ connman.PushMessage(pfrom, msgMaker.Make(NetMsgType::REJECT, strCommand, (unsigned char)state.GetRejectCode(),
+ state.GetRejectReason().substr(0, MAX_REJECT_MESSAGE_LENGTH), inv.hash));
if (nDoS > 0) {
Misbehaving(pfrom->GetId(), nDoS);
}
@@ -5758,7 +5765,7 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv,
if (mapBlockIndex.find(cmpctblock.header.hashPrevBlock) == mapBlockIndex.end()) {
// Doesn't connect (or is genesis), instead of DoSing in AcceptBlockHeader, request deeper headers
if (!IsInitialBlockDownload())
- connman.PushMessage(pfrom, NetMsgType::GETHEADERS, chainActive.GetLocator(pindexBestHeader), uint256());
+ connman.PushMessage(pfrom, msgMaker.Make(NetMsgType::GETHEADERS, chainActive.GetLocator(pindexBestHeader), uint256()));
return true;
}
@@ -5791,7 +5798,7 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv,
// so we just grab the block via normal getdata
std::vector<CInv> vInv(1);
vInv[0] = CInv(MSG_BLOCK | GetFetchFlags(pfrom, pindex->pprev, chainparams.GetConsensus()), cmpctblock.header.GetHash());
- connman.PushMessage(pfrom, NetMsgType::GETDATA, vInv);
+ connman.PushMessage(pfrom, msgMaker.Make(NetMsgType::GETDATA, vInv));
}
return true;
}
@@ -5835,7 +5842,7 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv,
// Duplicate txindexes, the block is now in-flight, so just request it
std::vector<CInv> vInv(1);
vInv[0] = CInv(MSG_BLOCK | GetFetchFlags(pfrom, pindex->pprev, chainparams.GetConsensus()), cmpctblock.header.GetHash());
- connman.PushMessage(pfrom, NetMsgType::GETDATA, vInv);
+ connman.PushMessage(pfrom, msgMaker.Make(NetMsgType::GETDATA, vInv));
return true;
}
@@ -5859,7 +5866,7 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv,
return ProcessMessage(pfrom, NetMsgType::BLOCKTXN, blockTxnMsg, nTimeReceived, chainparams, connman);
} else {
req.blockhash = pindex->GetBlockHash();
- connman.PushMessage(pfrom, NetMsgType::GETBLOCKTXN, req);
+ connman.PushMessage(pfrom, msgMaker.Make(NetMsgType::GETBLOCKTXN, req));
}
}
} else {
@@ -5868,7 +5875,7 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv,
// mempool will probably be useless - request the block normally
std::vector<CInv> vInv(1);
vInv[0] = CInv(MSG_BLOCK | GetFetchFlags(pfrom, pindex->pprev, chainparams.GetConsensus()), cmpctblock.header.GetHash());
- connman.PushMessage(pfrom, NetMsgType::GETDATA, vInv);
+ connman.PushMessage(pfrom, msgMaker.Make(NetMsgType::GETDATA, vInv));
return true;
} else {
// If this was an announce-cmpctblock, we want the same treatment as a header message
@@ -5910,7 +5917,7 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv,
// Might have collided, fall back to getdata now :(
std::vector<CInv> invs;
invs.push_back(CInv(MSG_BLOCK | GetFetchFlags(pfrom, chainActive.Tip(), chainparams.GetConsensus()), resp.blockhash));
- connman.PushMessage(pfrom, NetMsgType::GETDATA, invs);
+ connman.PushMessage(pfrom, msgMaker.Make(NetMsgType::GETDATA, invs));
} else {
// Block is either okay, or possibly we received
// READ_STATUS_CHECKBLOCK_FAILED.
@@ -5987,7 +5994,7 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv,
// nUnconnectingHeaders gets reset back to 0.
if (mapBlockIndex.find(headers[0].hashPrevBlock) == mapBlockIndex.end() && nCount < MAX_BLOCKS_TO_ANNOUNCE) {
nodestate->nUnconnectingHeaders++;
- connman.PushMessage(pfrom, NetMsgType::GETHEADERS, chainActive.GetLocator(pindexBestHeader), uint256());
+ connman.PushMessage(pfrom, msgMaker.Make(NetMsgType::GETHEADERS, chainActive.GetLocator(pindexBestHeader), uint256()));
LogPrint("net", "received header %s: missing prev block %s, sending getheaders (%d) to end (peer=%d, nUnconnectingHeaders=%d)\n",
headers[0].GetHash().ToString(),
headers[0].hashPrevBlock.ToString(),
@@ -6034,7 +6041,7 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv,
// TODO: optimize: if pindexLast is an ancestor of chainActive.Tip or pindexBestHeader, continue
// from there instead.
LogPrint("net", "more getheaders (%d) to end to peer=%d (startheight:%d)\n", pindexLast->nHeight, pfrom->id, pfrom->nStartingHeight);
- connman.PushMessage(pfrom, NetMsgType::GETHEADERS, chainActive.GetLocator(pindexLast), uint256());
+ connman.PushMessage(pfrom, msgMaker.Make(NetMsgType::GETHEADERS, chainActive.GetLocator(pindexLast), uint256()));
}
bool fCanDirectFetch = CanDirectFetch(chainparams.GetConsensus());
@@ -6087,7 +6094,7 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv,
// In any case, we want to download using a compact block, not a regular one
vGetData[0] = CInv(MSG_CMPCT_BLOCK, vGetData[0].hash);
}
- connman.PushMessage(pfrom, NetMsgType::GETDATA, vGetData);
+ connman.PushMessage(pfrom, msgMaker.Make(NetMsgType::GETDATA, vGetData));
}
}
}
@@ -6191,7 +6198,7 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv,
// 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.
- connman.PushMessage(pfrom, NetMsgType::PONG, nonce);
+ connman.PushMessage(pfrom, msgMaker.Make(NetMsgType::PONG, nonce));
}
}
@@ -6447,7 +6454,7 @@ bool ProcessMessages(CNode* pfrom, CConnman& connman)
}
catch (const std::ios_base::failure& e)
{
- connman.PushMessageWithVersion(pfrom, INIT_PROTO_VERSION, NetMsgType::REJECT, strCommand, REJECT_MALFORMED, string("error parsing message"));
+ connman.PushMessage(pfrom, CNetMsgMaker(INIT_PROTO_VERSION).Make(NetMsgType::REJECT, strCommand, REJECT_MALFORMED, string("error parsing message")));
if (strstr(e.what(), "end of data"))
{
// Allow exceptions from under-length message on vRecv
@@ -6515,6 +6522,9 @@ bool SendMessages(CNode* pto, CConnman& connman)
if (pto->nVersion == 0 || pto->fDisconnect)
return true;
+ // If we get here, the outgoing message serialization version is set and can't change.
+ CNetMsgMaker msgMaker(pto->GetSendVersion());
+
//
// Message: ping
//
@@ -6536,11 +6546,11 @@ bool SendMessages(CNode* pto, CConnman& connman)
pto->nPingUsecStart = GetTimeMicros();
if (pto->nVersion > BIP0031_VERSION) {
pto->nPingNonceSent = nonce;
- connman.PushMessage(pto, NetMsgType::PING, nonce);
+ connman.PushMessage(pto, msgMaker.Make(NetMsgType::PING, nonce));
} else {
// Peer is too old to support ping command with nonce, pong will never arrive.
pto->nPingNonceSent = 0;
- connman.PushMessage(pto, NetMsgType::PING);
+ connman.PushMessage(pto, msgMaker.Make(NetMsgType::PING));
}
}
@@ -6551,7 +6561,7 @@ bool SendMessages(CNode* pto, CConnman& connman)
CNodeState &state = *State(pto->GetId());
BOOST_FOREACH(const CBlockReject& reject, state.rejects)
- connman.PushMessage(pto, NetMsgType::REJECT, (string)NetMsgType::BLOCK, reject.chRejectCode, reject.strRejectReason, reject.hashBlock);
+ connman.PushMessage(pto, msgMaker.Make(NetMsgType::REJECT, (string)NetMsgType::BLOCK, reject.chRejectCode, reject.strRejectReason, reject.hashBlock));
state.rejects.clear();
if (state.fShouldBan) {
@@ -6593,14 +6603,14 @@ bool SendMessages(CNode* pto, CConnman& connman)
// receiver rejects addr messages larger than 1000
if (vAddr.size() >= 1000)
{
- connman.PushMessage(pto, NetMsgType::ADDR, vAddr);
+ connman.PushMessage(pto, msgMaker.Make(NetMsgType::ADDR, vAddr));
vAddr.clear();
}
}
}
pto->vAddrToSend.clear();
if (!vAddr.empty())
- connman.PushMessage(pto, NetMsgType::ADDR, vAddr);
+ connman.PushMessage(pto, msgMaker.Make(NetMsgType::ADDR, vAddr));
// we only send the big addr message once
if (pto->vAddrToSend.capacity() > 40)
pto->vAddrToSend.shrink_to_fit();
@@ -6626,7 +6636,7 @@ bool SendMessages(CNode* pto, CConnman& connman)
if (pindexStart->pprev)
pindexStart = pindexStart->pprev;
LogPrint("net", "initial getheaders (%d) to peer=%d (startheight:%d)\n", pindexStart->nHeight, pto->id, pto->nStartingHeight);
- connman.PushMessage(pto, NetMsgType::GETHEADERS, chainActive.GetLocator(pindexStart), uint256());
+ connman.PushMessage(pto, msgMaker.Make(NetMsgType::GETHEADERS, chainActive.GetLocator(pindexStart), uint256()));
}
}
@@ -6715,7 +6725,8 @@ bool SendMessages(CNode* pto, CConnman& connman)
CBlock block;
assert(ReadBlockFromDisk(block, pBestIndex, consensusParams));
CBlockHeaderAndShortTxIDs cmpctblock(block, state.fWantsCmpctWitness);
- connman.PushMessageWithFlag(pto, state.fWantsCmpctWitness ? 0 : SERIALIZE_TRANSACTION_NO_WITNESS, NetMsgType::CMPCTBLOCK, cmpctblock);
+ int nSendFlags = state.fWantsCmpctWitness ? 0 : SERIALIZE_TRANSACTION_NO_WITNESS;
+ connman.PushMessage(pto, msgMaker.Make(nSendFlags, NetMsgType::CMPCTBLOCK, cmpctblock));
state.pindexBestHeaderSent = pBestIndex;
} else if (state.fPreferHeaders) {
if (vHeaders.size() > 1) {
@@ -6727,7 +6738,7 @@ bool SendMessages(CNode* pto, CConnman& connman)
LogPrint("net", "%s: sending header %s to peer=%d\n", __func__,
vHeaders.front().GetHash().ToString(), pto->id);
}
- connman.PushMessage(pto, NetMsgType::HEADERS, vHeaders);
+ connman.PushMessage(pto, msgMaker.Make(NetMsgType::HEADERS, vHeaders));
state.pindexBestHeaderSent = pBestIndex;
} else
fRevertToInv = true;
@@ -6773,7 +6784,7 @@ bool SendMessages(CNode* pto, CConnman& connman)
BOOST_FOREACH(const uint256& hash, pto->vInventoryBlockToSend) {
vInv.push_back(CInv(MSG_BLOCK, hash));
if (vInv.size() == MAX_INV_SZ) {
- connman.PushMessage(pto, NetMsgType::INV, vInv);
+ connman.PushMessage(pto, msgMaker.Make(NetMsgType::INV, vInv));
vInv.clear();
}
}
@@ -6819,7 +6830,7 @@ bool SendMessages(CNode* pto, CConnman& connman)
pto->filterInventoryKnown.insert(hash);
vInv.push_back(inv);
if (vInv.size() == MAX_INV_SZ) {
- connman.PushMessage(pto, NetMsgType::INV, vInv);
+ connman.PushMessage(pto, msgMaker.Make(NetMsgType::INV, vInv));
vInv.clear();
}
}
@@ -6885,7 +6896,7 @@ bool SendMessages(CNode* pto, CConnman& connman)
}
}
if (vInv.size() == MAX_INV_SZ) {
- connman.PushMessage(pto, NetMsgType::INV, vInv);
+ connman.PushMessage(pto, msgMaker.Make(NetMsgType::INV, vInv));
vInv.clear();
}
pto->filterInventoryKnown.insert(hash);
@@ -6893,7 +6904,7 @@ bool SendMessages(CNode* pto, CConnman& connman)
}
}
if (!vInv.empty())
- connman.PushMessage(pto, NetMsgType::INV, vInv);
+ connman.PushMessage(pto, msgMaker.Make(NetMsgType::INV, vInv));
// Detect whether we're stalling
nNow = GetTimeMicros();
@@ -6956,7 +6967,7 @@ bool SendMessages(CNode* pto, CConnman& connman)
vGetData.push_back(inv);
if (vGetData.size() >= 1000)
{
- connman.PushMessage(pto, NetMsgType::GETDATA, vGetData);
+ connman.PushMessage(pto, msgMaker.Make(NetMsgType::GETDATA, vGetData));
vGetData.clear();
}
} else {
@@ -6966,7 +6977,7 @@ bool SendMessages(CNode* pto, CConnman& connman)
pto->mapAskFor.erase(pto->mapAskFor.begin());
}
if (!vGetData.empty())
- connman.PushMessage(pto, NetMsgType::GETDATA, vGetData);
+ connman.PushMessage(pto, msgMaker.Make(NetMsgType::GETDATA, vGetData));
//
// Message: feefilter
@@ -6979,7 +6990,7 @@ bool SendMessages(CNode* pto, CConnman& connman)
if (timeNow > pto->nextSendTimeFeeFilter) {
CAmount filterToSend = filterRounder.round(currentFilter);
if (filterToSend != pto->lastSentFeeFilter) {
- connman.PushMessage(pto, NetMsgType::FEEFILTER, filterToSend);
+ connman.PushMessage(pto, msgMaker.Make(NetMsgType::FEEFILTER, filterToSend));
pto->lastSentFeeFilter = filterToSend;
}
pto->nextSendTimeFeeFilter = PoissonNextSend(timeNow, AVG_FEEFILTER_BROADCAST_INTERVAL);
diff --git a/src/net.cpp b/src/net.cpp
index 15c4514f15..ce87150ae3 100644
--- a/src/net.cpp
+++ b/src/net.cpp
@@ -768,13 +768,13 @@ const uint256& CNetMessage::GetMessageHash() const
// requires LOCK(cs_vSend)
size_t SocketSendData(CNode *pnode)
{
- std::deque<CSerializeData>::iterator it = pnode->vSendMsg.begin();
+ auto it = pnode->vSendMsg.begin();
size_t nSentSize = 0;
while (it != pnode->vSendMsg.end()) {
- const CSerializeData &data = *it;
+ const auto &data = *it;
assert(data.size() > pnode->nSendOffset);
- int nBytes = send(pnode->hSocket, &data[pnode->nSendOffset], data.size() - pnode->nSendOffset, MSG_NOSIGNAL | MSG_DONTWAIT);
+ int nBytes = send(pnode->hSocket, reinterpret_cast<const char*>(data.data()) + pnode->nSendOffset, data.size() - pnode->nSendOffset, MSG_NOSIGNAL | MSG_DONTWAIT);
if (nBytes > 0) {
pnode->nLastSend = GetTime();
pnode->nSendBytes += nBytes;
@@ -2612,30 +2612,19 @@ void CNode::AskFor(const CInv& inv)
mapAskFor.insert(std::make_pair(nRequestTime, inv));
}
-CDataStream CConnman::BeginMessage(CNode* pnode, int nVersion, int flags, const std::string& sCommand)
+void CConnman::PushMessage(CNode* pnode, CSerializedNetMsg&& msg)
{
- return {SER_NETWORK, (nVersion ? nVersion : pnode->GetSendVersion()) | flags, CMessageHeader(Params().MessageStart(), sCommand.c_str(), 0) };
-}
-
-void CConnman::EndMessage(CDataStream& strm)
-{
- // Set the size
- assert(strm.size () >= CMessageHeader::HEADER_SIZE);
- unsigned int nSize = strm.size() - CMessageHeader::HEADER_SIZE;
- WriteLE32((uint8_t*)&strm[CMessageHeader::MESSAGE_SIZE_OFFSET], nSize);
- // Set the checksum
- uint256 hash = Hash(strm.begin() + CMessageHeader::HEADER_SIZE, strm.end());
- memcpy((char*)&strm[CMessageHeader::CHECKSUM_OFFSET], hash.begin(), CMessageHeader::CHECKSUM_SIZE);
-
-}
+ size_t nMessageSize = msg.data.size();
+ size_t nTotalSize = nMessageSize + CMessageHeader::HEADER_SIZE;
+ LogPrint("net", "sending %s (%d bytes) peer=%d\n", SanitizeString(msg.command.c_str()), nMessageSize, pnode->id);
-void CConnman::PushMessage(CNode* pnode, CDataStream& strm, const std::string& sCommand)
-{
- if(strm.empty())
- return;
+ std::vector<unsigned char> serializedHeader;
+ serializedHeader.reserve(CMessageHeader::HEADER_SIZE);
+ uint256 hash = Hash(msg.data.data(), msg.data.data() + nMessageSize);
+ CMessageHeader hdr(Params().MessageStart(), msg.command.c_str(), nMessageSize);
+ memcpy(hdr.pchChecksum, hash.begin(), CMessageHeader::CHECKSUM_SIZE);
- unsigned int nSize = strm.size() - CMessageHeader::HEADER_SIZE;
- LogPrint("net", "sending %s (%d bytes) peer=%d\n", SanitizeString(sCommand.c_str()), nSize, pnode->id);
+ CVectorWriter{SER_NETWORK, INIT_PROTO_VERSION, serializedHeader, 0, hdr};
size_t nBytesSent = 0;
{
@@ -2644,11 +2633,14 @@ void CConnman::PushMessage(CNode* pnode, CDataStream& strm, const std::string& s
return;
}
bool optimisticSend(pnode->vSendMsg.empty());
- pnode->vSendMsg.emplace_back(strm.begin(), strm.end());
//log total amount of bytes per command
- pnode->mapSendBytesPerMsgCmd[sCommand] += strm.size();
- pnode->nSendSize += strm.size();
+ pnode->mapSendBytesPerMsgCmd[msg.command] += nTotalSize;
+ pnode->nSendSize += nTotalSize;
+
+ pnode->vSendMsg.push_back(std::move(serializedHeader));
+ if (nMessageSize)
+ pnode->vSendMsg.push_back(std::move(msg.data));
// If write queue empty, attempt "optimistic write"
if (optimisticSend == true)
diff --git a/src/net.h b/src/net.h
index 9ea056c6ee..a4a9fb676a 100644
--- a/src/net.h
+++ b/src/net.h
@@ -152,32 +152,7 @@ public:
bool ForNode(NodeId id, std::function<bool(CNode* pnode)> func);
- template <typename... Args>
- void PushMessageWithVersionAndFlag(CNode* pnode, int nVersion, int flag, const std::string& sCommand, Args&&... args)
- {
- auto msg(BeginMessage(pnode, nVersion, flag, sCommand));
- ::SerializeMany(msg, std::forward<Args>(args)...);
- EndMessage(msg);
- PushMessage(pnode, msg, sCommand);
- }
-
- template <typename... Args>
- void PushMessageWithFlag(CNode* pnode, int flag, const std::string& sCommand, Args&&... args)
- {
- PushMessageWithVersionAndFlag(pnode, 0, flag, sCommand, std::forward<Args>(args)...);
- }
-
- template <typename... Args>
- void PushMessageWithVersion(CNode* pnode, int nVersion, const std::string& sCommand, Args&&... args)
- {
- PushMessageWithVersionAndFlag(pnode, nVersion, 0, sCommand, std::forward<Args>(args)...);
- }
-
- template <typename... Args>
- void PushMessage(CNode* pnode, const std::string& sCommand, Args&&... args)
- {
- PushMessageWithVersionAndFlag(pnode, 0, 0, sCommand, std::forward<Args>(args)...);
- }
+ void PushMessage(CNode* pnode, CSerializedNetMsg&& msg);
template<typename Callable>
bool ForEachNodeContinueIf(Callable&& func)
@@ -388,10 +363,6 @@ private:
unsigned int GetReceiveFloodSize() const;
- CDataStream BeginMessage(CNode* node, int nVersion, int flags, const std::string& sCommand);
- void PushMessage(CNode* pnode, CDataStream& strm, const std::string& sCommand);
- void EndMessage(CDataStream& strm);
-
// Network stats
void RecordBytesRecv(uint64_t bytes);
void RecordBytesSent(uint64_t bytes);
@@ -615,7 +586,7 @@ public:
size_t nSendSize; // total size of all vSendMsg entries
size_t nSendOffset; // offset inside the first vSendMsg already sent
uint64_t nSendBytes;
- std::deque<CSerializeData> vSendMsg;
+ std::deque<std::vector<unsigned char>> vSendMsg;
CCriticalSection cs_vSend;
std::deque<CInv> vRecvGetData;
@@ -785,7 +756,7 @@ public:
{
// The send version should always be explicitly set to
// INIT_PROTO_VERSION rather than using this value until the handshake
- // is complete. See PushMessageWithVersion().
+ // is complete.
assert(nSendVersion != 0);
return nSendVersion;
}
generated by cgit v1.2.3 (git 2.26.2) at 2024-08-25 00:03:24 +0000