func newTestMessage() *pb.MyMessage { msg := &pb.MyMessage{ Count: proto.Int32(42), Name: proto.String("Dave"), Quote: proto.String(`"I didn't want to go."`), Pet: []string{"bunny", "kitty", "horsey"}, Inner: &pb.InnerMessage{ Host: proto.String("footrest.syd"), Port: proto.Int32(7001), Connected: proto.Bool(true), }, Others: []*pb.OtherMessage{ &pb.OtherMessage{ Key: proto.Int64(0xdeadbeef), Value: []byte{1, 65, 7, 12}, }, &pb.OtherMessage{ Weight: proto.Float32(6.022), Inner: &pb.InnerMessage{ Host: proto.String("lesha.mtv"), Port: proto.Int32(8002), }, }, }, Bikeshed: pb.NewMyMessage_Color(pb.MyMessage_BLUE), Somegroup: &pb.MyMessage_SomeGroup{ GroupField: proto.Int32(8), }, // One normally wouldn't do this. // This is an undeclared tag 13, as a varint (wire type 0) with value 4. XXX_unrecognized: []byte{13<<3 | 0, 4}, } ext := &pb.Ext{ Data: proto.String("Big gobs for big rats"), } if err := proto.SetExtension(msg, pb.E_Ext_More, ext); err != nil { panic(err) } // Add an unknown extension. We marshal a pb.Ext, and fake the ID. b, err := proto.Marshal(&pb.Ext{Data: proto.String("3G skiing")}) if err != nil { panic(err) } b = append(proto.EncodeVarint(104<<3|proto.WireBytes), b...) proto.SetRawExtension(msg, 104, b) // Extensions can be plain fields, too, so let's test that. b = append(proto.EncodeVarint(105<<3|proto.WireVarint), 19) proto.SetRawExtension(msg, 105, b) return msg }
// Write an mmn.Line to the connection. func (c *Conn) WriteLine(line *mmn.Line) (err error) { var buf []byte buf, err = proto.Marshal(line) if err != nil { panic("Error marshalling protobuf struct.") } // Write the length of the line. lenBuf := proto.EncodeVarint(uint64(len(buf))) _, err = c.conn.Write(lenBuf) if err != nil { c.Close() } // Write the line. _, err = c.conn.Write(buf) if err != nil { c.Close() } return }