func chatWithPeer(chaincodeSupportClient pb.ChaincodeSupportClient, cc Chaincode) error {
var errFromChat error
// Establish stream with validating peer
stream, err := chaincodeSupportClient.Register(context.Background())
if err != nil {
return fmt.Errorf("Error chatting with leader at address=%s: %s", getPeerAddress(), err)
}
// Create the chaincode stub which will be passed to the chaincode
//stub := &ChaincodeStub{}
// Create the shim handler responsible for all control logic
handler = newChaincodeHandler(getPeerAddress(), stream, cc)
defer stream.CloseSend()
// Send the ChaincodeID during register.
chaincodeID := &pb.ChaincodeID{Name: viper.GetString("chaincode.id.name")}
payload, err := proto.Marshal(chaincodeID)
if err != nil {
return fmt.Errorf("Error marshalling chaincodeID during chaincode registration: %s", err)
}
// Register on the stream
chaincodeLogger.Debug("Registering.. sending %s", pb.ChaincodeMessage_REGISTER)
stream.Send(&pb.ChaincodeMessage{Type: pb.ChaincodeMessage_REGISTER, Payload: payload})
waitc := make(chan struct{})
go func() {
for {
in, err := stream.Recv()
if err == io.EOF {
// read done.
errFromChat = fmt.Errorf("Error sending transactions to peer address=%s, received EOF when expecting %s", getPeerAddress(), pb.OpenchainMessage_DISC_HELLO)
close(waitc)
return
}
if err != nil {
grpclog.Fatalf("Failed to receive a Registered message from server : %v", err)
}
// Call FSM.handleMessage()
err = handler.handleMessage(in)
if err != nil {
chaincodeLogger.Error(fmt.Sprintf("Error handling message: %s", err))
return
}
}
}()
<-waitc
return nil
}
func chatWithPeer(chaincodeSupportClient pb.ChaincodeSupportClient, cc Chaincode) error {
// Establish stream with validating peer
stream, err := chaincodeSupportClient.Register(context.Background())
if err != nil {
return fmt.Errorf("Error chatting with leader at address=%s: %s", getPeerAddress(), err)
}
// Create the chaincode stub which will be passed to the chaincode
//stub := &ChaincodeStub{}
// Create the shim handler responsible for all control logic
handler = newChaincodeHandler(getPeerAddress(), stream, cc)
defer stream.CloseSend()
// Send the ChaincodeID during register.
chaincodeID := &pb.ChaincodeID{Name: viper.GetString("chaincode.id.name")}
payload, err := proto.Marshal(chaincodeID)
if err != nil {
return fmt.Errorf("Error marshalling chaincodeID during chaincode registration: %s", err)
}
// Register on the stream
chaincodeLogger.Debug("Registering.. sending %s", pb.ChaincodeMessage_REGISTER)
handler.serialSend(&pb.ChaincodeMessage{Type: pb.ChaincodeMessage_REGISTER, Payload: payload})
waitc := make(chan struct{})
go func() {
defer close(waitc)
msgAvail := make(chan *pb.ChaincodeMessage)
var nsInfo *nextStateInfo
var in *pb.ChaincodeMessage
recv := true
for {
in = nil
err = nil
nsInfo = nil
if recv {
recv = false
go func() {
var in2 *pb.ChaincodeMessage
in2, err = stream.Recv()
msgAvail <- in2
}()
}
select {
case in = <-msgAvail:
if err == io.EOF {
chaincodeLogger.Debug("Received EOF, ending chaincode stream, %s", err)
return
} else if err != nil {
chaincodeLogger.Error(fmt.Sprintf("Received error from server: %s, ending chaincode stream", err))
return
} else if in == nil {
err = fmt.Errorf("Received nil message, ending chaincode stream")
chaincodeLogger.Debug("Received nil message, ending chaincode stream")
return
}
chaincodeLogger.Debug("[%s]Received message %s from shim", shortuuid(in.Uuid), in.Type.String())
recv = true
case nsInfo = <-handler.nextState:
in = nsInfo.msg
if in == nil {
panic("nil msg")
}
chaincodeLogger.Debug("[%s]Move state message %s", shortuuid(in.Uuid), in.Type.String())
}
// Call FSM.handleMessage()
err = handler.handleMessage(in)
if err != nil {
err = fmt.Errorf("Error handling message: %s", err)
return
}
if nsInfo != nil && nsInfo.sendToCC {
chaincodeLogger.Debug("[%s]send state message %s", shortuuid(in.Uuid), in.Type.String())
if err = handler.serialSend(in); err != nil {
err = fmt.Errorf("Error sending %s: %s", in.Type.String(), err)
return
}
}
}
}()
<-waitc
return err
}
