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authorzelig <viktor.tron@gmail.com>2014-12-15 02:04:50 +0800
committerzelig <viktor.tron@gmail.com>2014-12-15 04:40:08 +0800
commit4dfce4624dcc89302ec0b1f22cf853a8382fb7c7 (patch)
treeeb7d2136dc810edf043c02ee6ad516798fc834ce /eth
parent5e4d77b2b8020a106a13762c49ef40acac619a9c (diff)
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protocol
- new interface explicit backend components txPool, chainManager, blockPool - added protoErrorDisconnect for blockpool callback (FIXME: handling peer disconnects)
Diffstat (limited to 'eth')
-rw-r--r--eth/protocol.go90
1 files changed, 83 insertions, 7 deletions
diff --git a/eth/protocol.go b/eth/protocol.go
index fbc4610ec..37e642fd0 100644
--- a/eth/protocol.go
+++ b/eth/protocol.go
@@ -20,7 +20,7 @@ type ethProtocol struct {
peer *p2p.Peer
id string
rw p2p.MsgReadWriter
- }
+}
// backend is the interface the ethereum protocol backend should implement
// used as an argument to EthProtocol
@@ -69,6 +69,7 @@ type newBlockMsgData struct {
type getBlockHashesMsgData struct {
Hash []byte
<<<<<<< HEAD
+<<<<<<< HEAD
Amount uint64
}
@@ -79,23 +80,35 @@ func EthProtocol(txPool txPool, chainManager chainManager, blockPool blockPool)
return p2p.Protocol{
=======
Amount uint32
+=======
+ Amount uint64
+>>>>>>> protocol
}
// main entrypoint, wrappers starting a server running the eth protocol
// use this constructor to attach the protocol ("class") to server caps
// the Dev p2p layer then runs the protocol instance on each peer
+<<<<<<< HEAD
func EthProtocol(eth backend) *p2p.Protocol {
return &p2p.Protocol{
>>>>>>> initial commit for eth-p2p integration
+=======
+func EthProtocol(txPool txPool, chainManager chainManager, blockPool blockPool) p2p.Protocol {
+ return p2p.Protocol{
+>>>>>>> protocol
Name: "eth",
Version: ProtocolVersion,
Length: ProtocolLength,
Run: func(peer *p2p.Peer, rw p2p.MsgReadWriter) error {
<<<<<<< HEAD
+<<<<<<< HEAD
return runEthProtocol(txPool, chainManager, blockPool, peer, rw)
=======
return runEthProtocol(eth, peer, rw)
>>>>>>> initial commit for eth-p2p integration
+=======
+ return runEthProtocol(txPool, chainManager, blockPool, peer, rw)
+>>>>>>> protocol
},
}
}
@@ -105,6 +118,7 @@ func EthProtocol(eth backend) *p2p.Protocol {
// the main loop that handles incoming messages
// note RemovePeer in the post-disconnect hook
func runEthProtocol(txPool txPool, chainManager chainManager, blockPool blockPool, peer *p2p.Peer, rw p2p.MsgReadWriter) (err error) {
+<<<<<<< HEAD
self := &ethProtocol{
txPool: txPool,
chainManager: chainManager,
@@ -127,6 +141,15 @@ func runEthProtocol(eth backend, peer *p2p.Peer, rw p2p.MsgReadWriter) (err erro
=======
id: (string)(peer.Identity().Pubkey()),
>>>>>>> eth protocol changes
+=======
+ self := &ethProtocol{
+ txPool: txPool,
+ chainManager: chainManager,
+ blockPool: blockPool,
+ rw: rw,
+ peer: peer,
+ id: (string)(peer.Identity().Pubkey()),
+>>>>>>> protocol
}
err = self.handleStatus()
if err == nil {
@@ -136,12 +159,16 @@ func runEthProtocol(eth backend, peer *p2p.Peer, rw p2p.MsgReadWriter) (err erro
if err != nil {
<<<<<<< HEAD
<<<<<<< HEAD
+<<<<<<< HEAD
self.blockPool.RemovePeer(self.id)
=======
>>>>>>> initial commit for eth-p2p integration
=======
self.eth.RemovePeer(self.id)
>>>>>>> eth protocol changes
+=======
+ self.blockPool.RemovePeer(self.id)
+>>>>>>> protocol
break
}
}
@@ -167,6 +194,7 @@ func (self *ethProtocol) handle() error {
return ProtocolError(ErrExtraStatusMsg, "")
<<<<<<< HEAD
+<<<<<<< HEAD
case TxMsg:
// TODO: rework using lazy RLP stream
=======
@@ -179,6 +207,8 @@ func (self *ethProtocol) handle() error {
}
return self.rw.EncodeMsg(TxMsg, txsInterface...)
+=======
+>>>>>>> protocol
case TxMsg:
<<<<<<< HEAD
>>>>>>> initial commit for eth-p2p integration
@@ -190,10 +220,14 @@ func (self *ethProtocol) handle() error {
return ProtocolError(ErrDecode, "%v", err)
}
<<<<<<< HEAD
+<<<<<<< HEAD
self.txPool.AddTransactions(txs)
=======
self.eth.AddTransactions(txs)
>>>>>>> initial commit for eth-p2p integration
+=======
+ self.txPool.AddTransactions(txs)
+>>>>>>> protocol
case GetBlockHashesMsg:
var request getBlockHashesMsgData
@@ -201,10 +235,14 @@ func (self *ethProtocol) handle() error {
return ProtocolError(ErrDecode, "%v", err)
}
<<<<<<< HEAD
+<<<<<<< HEAD
hashes := self.chainManager.GetBlockHashesFromHash(request.Hash, request.Amount)
=======
hashes := self.eth.GetBlockHashes(request.Hash, request.Amount)
>>>>>>> initial commit for eth-p2p integration
+=======
+ hashes := self.chainManager.GetBlockHashesFromHash(request.Hash, request.Amount)
+>>>>>>> protocol
return self.rw.EncodeMsg(BlockHashesMsg, ethutil.ByteSliceToInterface(hashes)...)
case BlockHashesMsg:
@@ -245,7 +283,7 @@ func (self *ethProtocol) handle() error {
}
return
}
- self.eth.AddBlockHashes(iter, self.id)
+ self.blockPool.AddBlockHashes(iter, self.id)
if err != nil && err != rlp.EOL {
return ProtocolError(ErrDecode, "%v", err)
}
@@ -275,10 +313,14 @@ func (self *ethProtocol) handle() error {
break
}
<<<<<<< HEAD
+<<<<<<< HEAD
block := self.chainManager.GetBlock(hash)
=======
block := self.eth.GetBlock(hash)
>>>>>>> initial commit for eth-p2p integration
+=======
+ block := self.chainManager.GetBlock(hash)
+>>>>>>> protocol
if block != nil {
blocks = append(blocks, block.Value().Raw())
}
@@ -321,10 +363,14 @@ func (self *ethProtocol) handle() error {
=======
}
}
+<<<<<<< HEAD
if err := self.eth.AddBlock(block, self.id); err != nil {
return ProtocolError(ErrInvalidBlock, "%v", err)
}
>>>>>>> eth protocol changes
+=======
+ self.blockPool.AddBlock(block, self.id)
+>>>>>>> protocol
}
case NewBlockMsg:
@@ -341,10 +387,14 @@ func (self *ethProtocol) handle() error {
// uses AddPeer followed by AddHashes, AddBlock only if peer is the best peer
// (or selected as new best peer)
<<<<<<< HEAD
+<<<<<<< HEAD
if self.blockPool.AddPeer(request.TD, hash, self.id, self.requestBlockHashes, self.requestBlocks, self.protoErrorDisconnect) {
=======
if self.eth.AddPeer(request.TD, hash, self.id, self.requestBlockHashes, self.requestBlocks, self.invalidBlock) {
>>>>>>> eth protocol changes
+=======
+ if self.blockPool.AddPeer(request.TD, hash, self.id, self.requestBlockHashes, self.requestBlocks, self.protoErrorDisconnect) {
+>>>>>>> protocol
called := true
iter := func() (hash []byte, ok bool) {
if called {
@@ -355,6 +405,7 @@ func (self *ethProtocol) handle() error {
}
}
<<<<<<< HEAD
+<<<<<<< HEAD
self.blockPool.AddBlockHashes(iter, self.id)
self.blockPool.AddBlock(request.Block, self.id)
=======
@@ -372,6 +423,10 @@ func (self *ethProtocol) handle() error {
return ProtocolError(ErrInvalidBlock, "%v", err)
}
>>>>>>> eth protocol changes
+=======
+ self.blockPool.AddBlockHashes(iter, self.id)
+ self.blockPool.AddBlock(request.Block, self.id)
+>>>>>>> protocol
}
default:
@@ -390,10 +445,14 @@ type statusMsgData struct {
func (self *ethProtocol) statusMsg() p2p.Msg {
<<<<<<< HEAD
+<<<<<<< HEAD
td, currentBlock, genesisBlock := self.chainManager.Status()
=======
td, currentBlock, genesisBlock := self.eth.Status()
>>>>>>> initial commit for eth-p2p integration
+=======
+ td, currentBlock, genesisBlock := self.chainManager.Status()
+>>>>>>> protocol
return p2p.NewMsg(StatusMsg,
uint32(ProtocolVersion),
@@ -430,10 +489,14 @@ func (self *ethProtocol) handleStatus() error {
}
<<<<<<< HEAD
+<<<<<<< HEAD
_, _, genesisBlock := self.chainManager.Status()
=======
_, _, genesisBlock := self.eth.Status()
>>>>>>> initial commit for eth-p2p integration
+=======
+ _, _, genesisBlock := self.chainManager.Status()
+>>>>>>> protocol
if bytes.Compare(status.GenesisBlock, genesisBlock) != 0 {
return ProtocolError(ErrGenesisBlockMismatch, "%x (!= %x)", status.GenesisBlock, genesisBlock)
@@ -462,8 +525,12 @@ func (self *ethProtocol) handleStatus() error {
=======
self.peer.Infof("Peer is [eth] capable (%d/%d). TD = %v ~ %x", status.ProtocolVersion, status.NetworkId, status.CurrentBlock)
+<<<<<<< HEAD
self.eth.AddPeer(status.TD, status.CurrentBlock, self.id, self.requestBlockHashes, self.requestBlocks, self.invalidBlock)
>>>>>>> eth protocol changes
+=======
+ self.blockPool.AddPeer(status.TD, status.CurrentBlock, self.id, self.requestBlockHashes, self.requestBlocks, self.protoErrorDisconnect)
+>>>>>>> protocol
return nil
}
@@ -517,11 +584,6 @@ func (self *ethProtocol) requestBlocks(hashes [][]byte) error {
return self.rw.EncodeMsg(GetBlocksMsg, ethutil.ByteSliceToInterface(hashes))
}
-func (self *ethProtocol) invalidBlock(err error) {
- ProtocolError(ErrInvalidBlock, "%v", err)
- self.peer.Disconnect(p2p.DiscSubprotocolError)
-}
-
func (self *ethProtocol) protoError(code int, format string, params ...interface{}) (err *protocolError) {
err = ProtocolError(code, format, params...)
if err.Fatal() {
@@ -531,4 +593,18 @@ func (self *ethProtocol) protoError(code int, format string, params ...interface
}
return
}
+<<<<<<< HEAD
>>>>>>> eth protocol changes
+=======
+
+func (self *ethProtocol) protoErrorDisconnect(code int, format string, params ...interface{}) {
+ err := ProtocolError(code, format, params...)
+ if err.Fatal() {
+ self.peer.Errorln(err)
+ // disconnect
+ } else {
+ self.peer.Debugln(err)
+ }
+
+}
+>>>>>>> protocol