use of org.apache.flink.shaded.netty4.io.netty.handler.codec.TooLongFrameException in project netty by netty.
the class LengthFieldBasedFrameDecoderTest method testFailSlowTooLongFrameRecovery.
@Test
public void testFailSlowTooLongFrameRecovery() throws Exception {
EmbeddedChannel ch = new EmbeddedChannel(new LengthFieldBasedFrameDecoder(5, 0, 4, 0, 4, false));
for (int i = 0; i < 2; i++) {
assertFalse(ch.writeInbound(Unpooled.wrappedBuffer(new byte[] { 0, 0, 0, 2 })));
try {
assertTrue(ch.writeInbound(Unpooled.wrappedBuffer(new byte[] { 0, 0 })));
fail(DecoderException.class.getSimpleName() + " must be raised.");
} catch (TooLongFrameException e) {
// Expected
}
ch.writeInbound(Unpooled.wrappedBuffer(new byte[] { 0, 0, 0, 1, 'A' }));
ByteBuf buf = ch.readInbound();
assertEquals("A", buf.toString(CharsetUtil.ISO_8859_1));
buf.release();
}
}
use of org.apache.flink.shaded.netty4.io.netty.handler.codec.TooLongFrameException in project netty by netty.
the class WebSocket00FrameDecoder method decodeTextFrame.
private WebSocketFrame decodeTextFrame(ChannelHandlerContext ctx, ByteBuf buffer) {
int ridx = buffer.readerIndex();
int rbytes = actualReadableBytes();
int delimPos = buffer.indexOf(ridx, ridx + rbytes, (byte) 0xFF);
if (delimPos == -1) {
// Frame delimiter (0xFF) not found
if (rbytes > maxFrameSize) {
// Frame length exceeded the maximum
throw new TooLongFrameException();
} else {
// Wait until more data is received
return null;
}
}
int frameSize = delimPos - ridx;
if (frameSize > maxFrameSize) {
throw new TooLongFrameException();
}
ByteBuf binaryData = readBytes(ctx.alloc(), buffer, frameSize);
buffer.skipBytes(1);
int ffDelimPos = binaryData.indexOf(binaryData.readerIndex(), binaryData.writerIndex(), (byte) 0xFF);
if (ffDelimPos >= 0) {
binaryData.release();
throw new IllegalArgumentException("a text frame should not contain 0xFF.");
}
return new TextWebSocketFrame(binaryData);
}
use of org.apache.flink.shaded.netty4.io.netty.handler.codec.TooLongFrameException in project netty by netty.
the class JsonObjectDecoder method decode.
@Override
protected void decode(ChannelHandlerContext ctx, ByteBuf in, List<Object> out) throws Exception {
if (state == ST_CORRUPTED) {
in.skipBytes(in.readableBytes());
return;
}
if (this.idx > in.readerIndex() && lastReaderIndex != in.readerIndex()) {
this.idx = in.readerIndex() + (idx - lastReaderIndex);
}
// index of next byte to process.
int idx = this.idx;
int wrtIdx = in.writerIndex();
if (wrtIdx > maxObjectLength) {
// buffer size exceeded maxObjectLength; discarding the complete buffer.
in.skipBytes(in.readableBytes());
reset();
throw new TooLongFrameException("object length exceeds " + maxObjectLength + ": " + wrtIdx + " bytes discarded");
}
for (; /* use current idx */
idx < wrtIdx; idx++) {
byte c = in.getByte(idx);
if (state == ST_DECODING_NORMAL) {
decodeByte(c, in, idx);
// that the JSON object/array is complete.
if (openBraces == 0) {
ByteBuf json = extractObject(ctx, in, in.readerIndex(), idx + 1 - in.readerIndex());
if (json != null) {
out.add(json);
}
// The JSON object/array was extracted => discard the bytes from
// the input buffer.
in.readerIndex(idx + 1);
// Reset the object state to get ready for the next JSON object/text
// coming along the byte stream.
reset();
}
} else if (state == ST_DECODING_ARRAY_STREAM) {
decodeByte(c, in, idx);
if (!insideString && (openBraces == 1 && c == ',' || openBraces == 0 && c == ']')) {
// because the byte at position idx is not a whitespace.
for (int i = in.readerIndex(); Character.isWhitespace(in.getByte(i)); i++) {
in.skipBytes(1);
}
// skip trailing spaces.
int idxNoSpaces = idx - 1;
while (idxNoSpaces >= in.readerIndex() && Character.isWhitespace(in.getByte(idxNoSpaces))) {
idxNoSpaces--;
}
ByteBuf json = extractObject(ctx, in, in.readerIndex(), idxNoSpaces + 1 - in.readerIndex());
if (json != null) {
out.add(json);
}
in.readerIndex(idx + 1);
if (c == ']') {
reset();
}
}
// JSON object/array detected. Accumulate bytes until all braces/brackets are closed.
} else if (c == '{' || c == '[') {
initDecoding(c);
if (state == ST_DECODING_ARRAY_STREAM) {
// Discard the array bracket
in.skipBytes(1);
}
// Discard leading spaces in front of a JSON object/array.
} else if (Character.isWhitespace(c)) {
in.skipBytes(1);
} else {
state = ST_CORRUPTED;
throw new CorruptedFrameException("invalid JSON received at byte position " + idx + ": " + ByteBufUtil.hexDump(in));
}
}
if (in.readableBytes() == 0) {
this.idx = 0;
} else {
this.idx = idx;
}
this.lastReaderIndex = in.readerIndex();
}
Aggregations