Project import generated by Copybara.
PiperOrigin-RevId: 237361882
Change-Id: I109a68f44db867b20f8c6a7732b0ce657133e52a
diff --git a/quic/core/http/http_encoder.h b/quic/core/http/http_encoder.h
new file mode 100644
index 0000000..f04e6e4
--- /dev/null
+++ b/quic/core/http/http_encoder.h
@@ -0,0 +1,85 @@
+// Copyright (c) 2018 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 QUICHE_QUIC_CORE_HTTP_HTTP_ENCODER_H_
+#define QUICHE_QUIC_CORE_HTTP_HTTP_ENCODER_H_
+
+#include <cstddef>
+
+#include "net/third_party/quiche/src/quic/core/http/http_frames.h"
+#include "net/third_party/quiche/src/quic/core/quic_error_codes.h"
+#include "net/third_party/quiche/src/quic/platform/api/quic_export.h"
+#include "net/third_party/quiche/src/quic/platform/api/quic_string_piece.h"
+
+namespace quic {
+
+class QuicDataWriter;
+
+// A class for encoding the HTTP frames that are exchanged in an HTTP over QUIC
+// session.
+class QUIC_EXPORT_PRIVATE HttpEncoder {
+ public:
+ HttpEncoder();
+
+ ~HttpEncoder();
+
+ // Serializes a DATA frame header into a new buffer stored in |output|.
+ // Returns the length of the buffer on success, or 0 otherwise.
+ QuicByteCount SerializeDataFrameHeader(QuicByteCount payload_length,
+ std::unique_ptr<char[]>* output);
+
+ // Serializes a HEADERS frame header into a new buffer stored in |output|.
+ // Returns the length of the buffer on success, or 0 otherwise.
+ QuicByteCount SerializeHeadersFrameHeader(QuicByteCount payload_length,
+ std::unique_ptr<char[]>* output);
+
+ // Serializes a PRIORITY frame into a new buffer stored in |output|.
+ // Returns the length of the buffer on success, or 0 otherwise.
+ QuicByteCount SerializePriorityFrame(const PriorityFrame& priority,
+ std::unique_ptr<char[]>* output);
+
+ // Serializes a CANCEL_PUSH frame into a new buffer stored in |output|.
+ // Returns the length of the buffer on success, or 0 otherwise.
+ QuicByteCount SerializeCancelPushFrame(const CancelPushFrame& cancel_push,
+ std::unique_ptr<char[]>* output);
+
+ // Serializes a SETTINGS frame into a new buffer stored in |output|.
+ // Returns the length of the buffer on success, or 0 otherwise.
+ QuicByteCount SerializeSettingsFrame(const SettingsFrame& settings,
+ std::unique_ptr<char[]>* output);
+
+ // Serializes the header and push_id of a PUSH_PROMISE frame into a new buffer
+ // stored in |output|. Returns the length of the buffer on success, or 0
+ // otherwise.
+ QuicByteCount SerializePushPromiseFrameWithOnlyPushId(
+ const PushPromiseFrame& push_promise,
+ std::unique_ptr<char[]>* output);
+
+ // Serializes a GOAWAY frame into a new buffer stored in |output|.
+ // Returns the length of the buffer on success, or 0 otherwise.
+ QuicByteCount SerializeGoAwayFrame(const GoAwayFrame& goaway,
+ std::unique_ptr<char[]>* output);
+
+ // Serializes a MAX_PUSH frame into a new buffer stored in |output|.
+ // Returns the length of the buffer on success, or 0 otherwise.
+ QuicByteCount SerializeMaxPushIdFrame(const MaxPushIdFrame& max_push_id,
+ std::unique_ptr<char[]>* output);
+
+ // Serialize a DUPLICATE_PUSH frame into a new buffer stored in |output|.
+ // Returns the length of the buffer on success, or 0 otherwise.
+ QuicByteCount SerializeDuplicatePushFrame(
+ const DuplicatePushFrame& duplicate_push,
+ std::unique_ptr<char[]>* output);
+
+ private:
+ bool WriteFrameHeader(QuicByteCount length,
+ HttpFrameType type,
+ QuicDataWriter* writer);
+
+ QuicByteCount GetTotalLength(QuicByteCount payload_length);
+};
+
+} // namespace quic
+
+#endif // QUICHE_QUIC_CORE_HTTP_HTTP_ENCODER_H_
