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
}