readMsg<T extends GeneratedMessage> method
Reads a protocol buffer message from the stream.
Implementation
Future<T> readMsg<T extends GeneratedMessage>(T message) async {
// Read the message length
final length = await _readVarint();
if (length > _maxSize) {
throw Exception('message too large');
}
// Read the message data
final data = await _readExact(length);
// Parse the message
message.mergeFromBuffer(data);
return message;
}