Built motion from commit 6a09e18b.|2.6.11

[motion2.git] / legacy-libs / grpc-cloned / deps / grpc / src / core / ext / transport / chttp2 / transport / frame_data.h

diff --git a/legacy-libs/grpc-cloned/deps/grpc/src/core/ext/transport/chttp2/transport/frame_data.h b/legacy-libs/grpc-cloned/deps/grpc/src/core/ext/transport/chttp2/transport/frame_data.h
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+/*
+ *
+ * Copyright 2015 gRPC authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+#ifndef GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_FRAME_DATA_H
+#define GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_FRAME_DATA_H
+
+/* Parser for GRPC streams embedded in DATA frames */
+
+#include <grpc/support/port_platform.h>
+
+#include <grpc/slice.h>
+#include <grpc/slice_buffer.h>
+#include "src/core/ext/transport/chttp2/transport/frame.h"
+#include "src/core/lib/transport/byte_stream.h"
+#include "src/core/lib/transport/transport.h"
+
+typedef enum {
+  GRPC_CHTTP2_DATA_FH_0,
+  GRPC_CHTTP2_DATA_FH_1,
+  GRPC_CHTTP2_DATA_FH_2,
+  GRPC_CHTTP2_DATA_FH_3,
+  GRPC_CHTTP2_DATA_FH_4,
+  GRPC_CHTTP2_DATA_FRAME,
+  GRPC_CHTTP2_DATA_ERROR
+} grpc_chttp2_stream_state;
+
+namespace grpc_core {
+class Chttp2IncomingByteStream;
+}  // namespace grpc_core
+
+struct grpc_chttp2_data_parser {
+  grpc_chttp2_data_parser() = default;
+  ~grpc_chttp2_data_parser();
+
+  grpc_chttp2_stream_state state = GRPC_CHTTP2_DATA_FH_0;
+  uint8_t frame_type = 0;
+  uint32_t frame_size = 0;
+  grpc_error* error = GRPC_ERROR_NONE;
+
+  bool is_frame_compressed = false;
+  grpc_core::Chttp2IncomingByteStream* parsing_frame = nullptr;
+};
+
+/* start processing a new data frame */
+grpc_error* grpc_chttp2_data_parser_begin_frame(grpc_chttp2_data_parser* parser,
+                                                uint8_t flags,
+                                                uint32_t stream_id,
+                                                grpc_chttp2_stream* s);
+
+/* handle a slice of a data frame - is_last indicates the last slice of a
+   frame */
+grpc_error* grpc_chttp2_data_parser_parse(void* parser,
+                                          grpc_chttp2_transport* t,
+                                          grpc_chttp2_stream* s,
+                                          const grpc_slice& slice, int is_last);
+
+void grpc_chttp2_encode_data(uint32_t id, grpc_slice_buffer* inbuf,
+                             uint32_t write_bytes, int is_eof,
+                             grpc_transport_one_way_stats* stats,
+                             grpc_slice_buffer* outbuf);
+
+grpc_error* grpc_deframe_unprocessed_incoming_frames(
+    grpc_chttp2_data_parser* p, grpc_chttp2_stream* s,
+    grpc_slice_buffer* slices, grpc_slice* slice_out,
+    grpc_core::OrphanablePtr<grpc_core::ByteStream>* stream_out);
+
+#endif /* GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_FRAME_DATA_H */