@Override
protected void handleData(ByteBuffer resource, Http2FrameHeaderParser header) throws IOException {
boolean continuationFramesComing =
Bits.anyAreClear(header.flags, Http2Channel.HEADERS_FLAG_END_HEADERS);
if (frameRemaining == -1) {
frameRemaining = header.length;
}
final boolean moreDataThisFrame = resource.remaining() < frameRemaining;
final int pos = resource.position();
try {
if (!beforeHeadersHandled) {
if (!handleBeforeHeader(resource, header)) {
return;
}
}
beforeHeadersHandled = true;
decoder.setHeaderEmitter(this);
try {
decoder.decode(resource, moreDataThisFrame);
} catch (HpackException e) {
throw new ConnectionErrorException(Http2Channel.ERROR_COMPRESSION_ERROR, e);
}
} finally {
int used = resource.position() - pos;
frameRemaining -= used;
}
}
void handleFinalFrame(Http2FrameHeaderParser headerData) {
Http2FrameHeaderParser data = headerData;
if (data.type == Http2Channel.FRAME_TYPE_DATA) {
if (Bits.anyAreSet(data.flags, Http2Channel.DATA_FLAG_END_STREAM)) {
this.lastFrame();
}
} else if (data.type == Http2Channel.FRAME_TYPE_HEADERS) {
if (Bits.allAreSet(data.flags, Http2Channel.HEADERS_FLAG_END_STREAM)) {
if (Bits.allAreSet(data.flags, Http2Channel.HEADERS_FLAG_END_HEADERS)) {
this.lastFrame();
} else {
// continuation frames are coming, then we end the stream
headersEndStream = true;
}
}
} else if (headersEndStream && data.type == Http2Channel.FRAME_TYPE_CONTINUATION) {
if (Bits.anyAreSet(data.flags, Http2Channel.CONTINUATION_FLAG_END_HEADERS)) {
this.lastFrame();
}
}
}