private void readHeaders(Handler handler, int flags, int length, int streamId)
throws IOException {
if (streamId == 0) throw ioException("TYPE_HEADERS streamId == 0");
boolean inFinished = (flags & FLAG_END_STREAM) != 0;
while (true) {
hpackReader.readHeaders(length);
if ((flags & FLAG_END_HEADERS) != 0) {
hpackReader.emitReferenceSet();
List<String> namesAndValues = hpackReader.getAndReset();
int priority = -1; // TODO: priority
handler.headers(
false,
inFinished,
streamId,
-1,
priority,
namesAndValues,
HeadersMode.HTTP_20_HEADERS);
return;
}
// Read another continuation frame.
int w1 = in.readInt();
int w2 = in.readInt();
length = (w1 & 0xffff0000) >> 16;
int newType = (w1 & 0xff00) >> 8;
flags = w1 & 0xff;
// TODO: remove in draft 8: CONTINUATION no longer sets END_STREAM
inFinished = (flags & FLAG_END_STREAM) != 0;
// boolean u = (w2 & 0x80000000) != 0; // Unused.
int newStreamId = (w2 & 0x7fffffff);
if (newType != TYPE_CONTINUATION) {
throw ioException("TYPE_CONTINUATION didn't have FLAG_END_HEADERS");
}
if (newStreamId != streamId) throw ioException("TYPE_CONTINUATION streamId changed");
}
}
private void readHeaders(Handler handler, int length, byte flags, int streamId)
throws IOException {
if (streamId == 0) throw ioException("PROTOCOL_ERROR: TYPE_HEADERS streamId == 0");
boolean endStream = (flags & FLAG_END_STREAM) != 0;
short padding = (flags & FLAG_PADDED) != 0 ? (short) (source.readByte() & 0xff) : 0;
if ((flags & FLAG_PRIORITY) != 0) {
readPriority(handler, streamId);
length -= 5; // account for above read.
}
length = lengthWithoutPadding(length, flags, padding);
List<Header> headerBlock = readHeaderBlock(length, padding, flags, streamId);
handler.headers(false, endStream, streamId, -1, headerBlock, HeadersMode.HTTP_20_HEADERS);
}