return reset();
}
case READ_VARIABLE_LENGTH_CONTENT_AS_CHUNKS: {
// Keep reading data as a chunk until the end of connection is reached.
int chunkSize = Math.min(maxChunkSize, buffer.readableBytes());
HttpChunk chunk = new DefaultHttpChunk(buffer.readBytes(chunkSize));
if (!buffer.readable()) {
// Reached to the end of the connection.
reset();
if (!chunk.isLast()) {
// Append the last chunk.
return new Object[] { chunk, HttpChunk.LAST_CHUNK };
}
}
return chunk;
}
case READ_FIXED_LENGTH_CONTENT: {
//we have a content-length so we just read the correct number of bytes
readFixedLengthContent(buffer);
return reset();
}
case READ_FIXED_LENGTH_CONTENT_AS_CHUNKS: {
long chunkSize = this.chunkSize;
HttpChunk chunk;
if (chunkSize > maxChunkSize) {
chunk = new DefaultHttpChunk(buffer.readBytes(maxChunkSize));
chunkSize -= maxChunkSize;
} else {
assert chunkSize <= Integer.MAX_VALUE;
chunk = new DefaultHttpChunk(buffer.readBytes((int) chunkSize));
chunkSize = 0;
}
this.chunkSize = chunkSize;
if (chunkSize == 0) {
// Read all content.
reset();
if (!chunk.isLast()) {
// Append the last chunk.
return new Object[] { chunk, HttpChunk.LAST_CHUNK };
}
}
return chunk;
}
/**
* everything else after this point takes care of reading chunked content. basically, read chunk size,
* read chunk, read and ignore the CRLF and repeat until 0
*/
case READ_CHUNK_SIZE: {
String line = readLine(buffer, maxInitialLineLength);
int chunkSize = getChunkSize(line);
this.chunkSize = chunkSize;
if (chunkSize == 0) {
checkpoint(State.READ_CHUNK_FOOTER);
return null;
} else if (chunkSize > maxChunkSize) {
// A chunk is too large. Split them into multiple chunks again.
checkpoint(State.READ_CHUNKED_CONTENT_AS_CHUNKS);
} else {
checkpoint(State.READ_CHUNKED_CONTENT);
}
}
case READ_CHUNKED_CONTENT: {
assert chunkSize <= Integer.MAX_VALUE;
HttpChunk chunk = new DefaultHttpChunk(buffer.readBytes((int) chunkSize));
checkpoint(State.READ_CHUNK_DELIMITER);
return chunk;
}
case READ_CHUNKED_CONTENT_AS_CHUNKS: {
long chunkSize = this.chunkSize;
HttpChunk chunk;
if (chunkSize > maxChunkSize) {
chunk = new DefaultHttpChunk(buffer.readBytes(maxChunkSize));
chunkSize -= maxChunkSize;
} else {
assert chunkSize <= Integer.MAX_VALUE;
chunk = new DefaultHttpChunk(buffer.readBytes((int) chunkSize));
chunkSize = 0;
}
this.chunkSize = chunkSize;
if (chunkSize == 0) {
// Read all content.
checkpoint(State.READ_CHUNK_DELIMITER);
}
if (!chunk.isLast()) {
return chunk;
}
}
case READ_CHUNK_DELIMITER: {
for (;;) {