/**
* Decodes the client connection preface string from the input buffer.
*
* @return {@code true} if processing of the client preface string is complete. Since client
* preface strings can only be received by servers, returns true immediately for client
* endpoints.
*/
private boolean readClientPrefaceString(ByteBuf in) throws Http2Exception {
if (clientPrefaceString == null) {
return true;
}
int prefaceRemaining = clientPrefaceString.readableBytes();
int bytesRead = min(in.readableBytes(), prefaceRemaining);
// If the input so far doesn't match the preface, break the connection.
if (bytesRead == 0
|| !ByteBufUtil.equals(
in,
in.readerIndex(),
clientPrefaceString,
clientPrefaceString.readerIndex(),
bytesRead)) {
String receivedBytes =
hexDump(
in, in.readerIndex(), min(in.readableBytes(), clientPrefaceString.readableBytes()));
throw connectionError(
PROTOCOL_ERROR,
"HTTP/2 client preface string missing or corrupt. " + "Hex dump for received bytes: %s",
receivedBytes);
}
in.skipBytes(bytesRead);
clientPrefaceString.skipBytes(bytesRead);
if (!clientPrefaceString.isReadable()) {
// Entire preface has been read.
clientPrefaceString.release();
clientPrefaceString = null;
return true;
}
return false;
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
QueueMessage that = (QueueMessage) o;
if (buffer != null ? !ByteBufUtil.equals(buffer, that.buffer) : that.buffer != null)
return false;
if (type != that.type) return false;
if (uuid != null ? !uuid.equals(that.uuid) : that.uuid != null) return false;
return true;
}