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broadcastclient.go
63 lines (51 loc) · 1.24 KB
/
broadcastclient.go
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/*
Copyright IBM Corp. 2016 All Rights Reserved.
SPDX-License-Identifier: Apache-2.0
*/
package common
import (
cb "github.com/hyperledger/fabric/protos/common"
ab "github.com/hyperledger/fabric/protos/orderer"
"github.com/pkg/errors"
)
type BroadcastClient interface {
//Send data to orderer
Send(env *cb.Envelope) error
Close() error
}
type broadcastClient struct {
client ab.AtomicBroadcast_BroadcastClient
}
// GetBroadcastClient creates a simple instance of the BroadcastClient interface
func GetBroadcastClient() (BroadcastClient, error) {
oc, err := NewOrdererClientFromEnv()
if err != nil {
return nil, err
}
bc, err := oc.Broadcast()
if err != nil {
return nil, err
}
return &broadcastClient{client: bc}, nil
}
func (s *broadcastClient) getAck() error {
msg, err := s.client.Recv()
if err != nil {
return err
}
if msg.Status != cb.Status_SUCCESS {
return errors.Errorf("got unexpected status: %v -- %s", msg.Status, msg.Info)
}
return nil
}
//Send data to orderer
func (s *broadcastClient) Send(env *cb.Envelope) error {
if err := s.client.Send(env); err != nil {
return errors.WithMessage(err, "could not send")
}
err := s.getAck()
return err
}
func (s *broadcastClient) Close() error {
return s.client.CloseSend()
}