github.com/leonlxy/hyperledger@v1.0.0-alpha.0.20170427033203-34922035d248/orderer/server.go (about) 1 /* 2 Copyright IBM Corp. 2016 All Rights Reserved. 3 4 Licensed under the Apache License, Version 2.0 (the "License"); 5 you may not use this file except in compliance with the License. 6 You may obtain a copy of the License at 7 8 http://www.apache.org/licenses/LICENSE-2.0 9 10 Unless required by applicable law or agreed to in writing, software 11 distributed under the License is distributed on an "AS IS" BASIS, 12 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 See the License for the specific language governing permissions and 14 limitations under the License. 15 */ 16 17 package main 18 19 import ( 20 "github.com/hyperledger/fabric/common/crypto" 21 "github.com/hyperledger/fabric/orderer/common/broadcast" 22 "github.com/hyperledger/fabric/orderer/common/deliver" 23 "github.com/hyperledger/fabric/orderer/configupdate" 24 "github.com/hyperledger/fabric/orderer/multichain" 25 ab "github.com/hyperledger/fabric/protos/orderer" 26 ) 27 28 type configUpdateSupport struct { 29 multichain.Manager 30 } 31 32 func (cus configUpdateSupport) GetChain(chainID string) (configupdate.Support, bool) { 33 return cus.Manager.GetChain(chainID) 34 } 35 36 type broadcastSupport struct { 37 multichain.Manager 38 broadcast.ConfigUpdateProcessor 39 } 40 41 func (bs broadcastSupport) GetChain(chainID string) (broadcast.Support, bool) { 42 return bs.Manager.GetChain(chainID) 43 } 44 45 type deliverSupport struct { 46 multichain.Manager 47 } 48 49 func (bs deliverSupport) GetChain(chainID string) (deliver.Support, bool) { 50 return bs.Manager.GetChain(chainID) 51 } 52 53 type server struct { 54 bh broadcast.Handler 55 dh deliver.Handler 56 } 57 58 // NewServer creates an ab.AtomicBroadcastServer based on the broadcast target and ledger Reader 59 func NewServer(ml multichain.Manager, signer crypto.LocalSigner) ab.AtomicBroadcastServer { 60 logger.Infof("Starting orderer") 61 62 s := &server{ 63 dh: deliver.NewHandlerImpl(deliverSupport{Manager: ml}), 64 bh: broadcast.NewHandlerImpl(broadcastSupport{ 65 Manager: ml, 66 ConfigUpdateProcessor: configupdate.New(ml.SystemChannelID(), configUpdateSupport{Manager: ml}, signer), 67 }), 68 } 69 return s 70 } 71 72 // Broadcast receives a stream of messages from a client for ordering 73 func (s *server) Broadcast(srv ab.AtomicBroadcast_BroadcastServer) error { 74 logger.Debugf("Starting new Broadcast handler") 75 return s.bh.Handle(srv) 76 } 77 78 // Deliver sends a stream of blocks to a client after ordering 79 func (s *server) Deliver(srv ab.AtomicBroadcast_DeliverServer) error { 80 logger.Debugf("Starting new Deliver handler") 81 return s.dh.Handle(srv) 82 }