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此仓库是为了提升国内下载速度的镜像仓库,每日同步一次。 原始仓库: https://github.com/hyperledger/fabric
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producer.go 2.15 KB
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/*
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 producer
import (
"fmt"
"io"
"time"
"github.com/hyperledger/fabric/common/flogging"
pb "github.com/hyperledger/fabric/protos/peer"
)
var logger = flogging.MustGetLogger("eventhub_producer")
// EventsServer implementation of the Peer service
type EventsServer struct {
}
// EventsServerConfig contains the setup config for the events server
type EventsServerConfig struct {
BufferSize uint
Timeout time.Duration
TimeWindow time.Duration
}
//singleton - if we want to create multiple servers, we need to subsume events.gEventConsumers into EventsServer
var globalEventsServer *EventsServer
// NewEventsServer returns a EventsServer
func NewEventsServer(config *EventsServerConfig) *EventsServer {
if globalEventsServer != nil {
panic("Cannot create multiple event hub servers")
}
globalEventsServer = new(EventsServer)
initializeEvents(config)
//initializeCCEventProcessor(bufferSize, timeout)
return globalEventsServer
}
// Chat implementation of the Chat bidi streaming RPC function
func (p *EventsServer) Chat(stream pb.Events_ChatServer) error {
handler, err := newEventHandler(stream)
if err != nil {
return fmt.Errorf("error creating handler during handleChat initiation: %s", err)
}
defer handler.Stop()
for {
in, err := stream.Recv()
if err == io.EOF {
logger.Debug("Received EOF, ending Chat")
return nil
}
if err != nil {
e := fmt.Errorf("error during Chat, stopping handler: %s", err)
logger.Error(e.Error())
return e
}
err = handler.HandleMessage(in)
if err != nil {
logger.Errorf("Error handling message: %s", err)
return err
}
}
}
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