Index: net/http2/decoder/payload_decoders/altsvc_payload_decoder.h |
diff --git a/net/http2/decoder/payload_decoders/altsvc_payload_decoder.h b/net/http2/decoder/payload_decoders/altsvc_payload_decoder.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..f92fa7f9db78a48e4895a6fc48acff8bef1eea77 |
--- /dev/null |
+++ b/net/http2/decoder/payload_decoders/altsvc_payload_decoder.h |
@@ -0,0 +1,64 @@ |
+// Copyright 2016 The Chromium Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+#ifndef NET_HTTP2_DECODER_PAYLOAD_DECODERS_ALTSVC_PAYLOAD_DECODER_H_ |
+#define NET_HTTP2_DECODER_PAYLOAD_DECODERS_ALTSVC_PAYLOAD_DECODER_H_ |
+ |
+// Decodes the payload of a ALTSVC frame. |
+ |
+#include "net/base/net_export.h" |
+#include "net/http2/decoder/decode_buffer.h" |
+#include "net/http2/decoder/decode_status.h" |
+#include "net/http2/decoder/frame_decoder_state.h" |
+#include "net/http2/http2_structures.h" |
+ |
+namespace net { |
+namespace test { |
+class AltSvcPayloadDecoderPeer; |
+} // namespace test |
+ |
+class NET_EXPORT_PRIVATE AltSvcPayloadDecoder { |
+ public: |
+ // States during decoding of a ALTSVC frame. |
+ enum class PayloadState { |
+ // Start decoding the fixed size structure at the start of an ALTSVC |
+ // frame (Http2AltSvcFields). |
+ kStartDecodingStruct, |
+ |
+ // Handle the DecodeStatus returned from starting or resuming the |
+ // decoding of Http2AltSvcFields. If complete, calls OnAltSvcStart. |
+ kMaybeDecodedStruct, |
+ |
+ // Reports the value of the strings (origin and value) of an ALTSVC frame |
+ // to the listener. |
+ kDecodingStrings, |
+ |
+ // The initial decode buffer wasn't large enough for the Http2AltSvcFields, |
+ // so this state resumes the decoding when ResumeDecodingPayload is called |
+ // later with a new DecodeBuffer. |
+ kResumeDecodingStruct, |
+ }; |
+ |
+ // Starts the decoding of a ALTSVC frame's payload, and completes it if the |
+ // entire payload is in the provided decode buffer. |
+ DecodeStatus StartDecodingPayload(FrameDecoderState* state, DecodeBuffer* db); |
+ |
+ // Resumes decoding a ALTSVC frame's payload that has been split across |
+ // decode buffers. |
+ DecodeStatus ResumeDecodingPayload(FrameDecoderState* state, |
+ DecodeBuffer* db); |
+ |
+ private: |
+ friend class test::AltSvcPayloadDecoderPeer; |
+ |
+ // Implements state kDecodingStrings. |
+ DecodeStatus DecodeStrings(FrameDecoderState* state, DecodeBuffer* db); |
+ |
+ Http2AltSvcFields altsvc_fields_; |
+ PayloadState payload_state_; |
+}; |
+ |
+} // namespace net |
+ |
+#endif // NET_HTTP2_DECODER_PAYLOAD_DECODERS_ALTSVC_PAYLOAD_DECODER_H_ |