server.go

/*
Copyright IBM Corp. 2016 All Rights Reserved.

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

                 http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/

package main

import (
	"github.com/hyperledger/fabric/orderer/common/broadcast"
	"github.com/hyperledger/fabric/orderer/common/deliver"
	"github.com/hyperledger/fabric/orderer/multichain"
	ab "github.com/hyperledger/fabric/protos/orderer"
)

type server struct {
	bh broadcast.Handler
	dh deliver.Handler
}

// NewServer creates a ab.AtomicBroadcastServer based on the broadcast target and ledger Reader
func NewServer(ml multichain.Manager, queueSize, maxWindowSize int) ab.AtomicBroadcastServer {
	logger.Infof("Starting orderer")

	s := &server{
		dh: deliver.NewHandlerImpl(ml, maxWindowSize),
		bh: broadcast.NewHandlerImpl(queueSize, ml),
	}
	return s
}

// Broadcast receives a stream of messages from a client for ordering
func (s *server) Broadcast(srv ab.AtomicBroadcast_BroadcastServer) error {
	logger.Debugf("Starting new Broadcast handler")
	return s.bh.Handle(srv)
}

// Deliver sends a stream of blocks to a client after ordering
func (s *server) Deliver(srv ab.AtomicBroadcast_DeliverServer) error {
	logger.Debugf("Starting new Deliver handler")
	return s.dh.Handle(srv)
}