Index: net/http2/decoder/payload_decoders/goaway_payload_decoder.h |
diff --git a/net/http2/decoder/payload_decoders/goaway_payload_decoder.h b/net/http2/decoder/payload_decoders/goaway_payload_decoder.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..5aefc6ce6e74265b88a51f8fb52336f23a0f3d4d |
--- /dev/null |
+++ b/net/http2/decoder/payload_decoders/goaway_payload_decoder.h |
@@ -0,0 +1,66 @@ |
+// 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_GOAWAY_PAYLOAD_DECODER_H_ |
+#define NET_HTTP2_DECODER_PAYLOAD_DECODERS_GOAWAY_PAYLOAD_DECODER_H_ |
+ |
+// Decodes the payload of a GOAWAY frame. |
+ |
+// TODO(jamessynge): Sweep through all payload decoders, changing the names of |
+// the PayloadState enums so that they are really states, and not actions. |
+ |
+#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 GoAwayPayloadDecoderPeer; |
+} // namespace test |
+ |
+class NET_EXPORT_PRIVATE GoAwayPayloadDecoder { |
+ public: |
+ // States during decoding of a GOAWAY frame. |
+ enum class PayloadState { |
+ // At the start of the GOAWAY frame payload, ready to start decoding the |
+ // fixed size fields into goaway_fields_. |
+ kStartDecodingFixedFields, |
+ |
+ // Handle the DecodeStatus returned from starting or resuming the |
+ // decoding of Http2GoAwayFields into goaway_fields_. If complete, |
+ // calls OnGoAwayStart. |
+ kHandleFixedFieldsStatus, |
+ |
+ // Report the Opaque Data portion of the payload to the listener's |
+ // OnGoAwayOpaqueData method, and call OnGoAwayEnd when the end of the |
+ // payload is reached. |
+ kReadOpaqueData, |
+ |
+ // The fixed size fields weren't all available when the decoder first |
+ // tried to decode them (state kStartDecodingFixedFields); this state |
+ // resumes the decoding when ResumeDecodingPayload is called later. |
+ kResumeDecodingFixedFields, |
+ }; |
+ |
+ // Starts the decoding of a GOAWAY 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 GOAWAY frame's payload that has been split across |
+ // decode buffers. |
+ DecodeStatus ResumeDecodingPayload(FrameDecoderState* state, |
+ DecodeBuffer* db); |
+ |
+ private: |
+ friend class test::GoAwayPayloadDecoderPeer; |
+ |
+ Http2GoAwayFields goaway_fields_; |
+ PayloadState payload_state_; |
+}; |
+ |
+} // namespace net |
+ |
+#endif // NET_HTTP2_DECODER_PAYLOAD_DECODERS_GOAWAY_PAYLOAD_DECODER_H_ |