src/core/ext/transport/chttp2/transport/frame_data.h

/*
 *
 * 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 <stdint.h>

#include "absl/status/status.h"

#include <grpc/slice.h>

#include "src/core/ext/transport/chttp2/transport/frame.h"
#include "src/core/lib/iomgr/error.h"
#include "src/core/lib/promise/poll.h"
#include "src/core/lib/slice/slice_buffer.h"
#include "src/core/lib/transport/transport.h"

/* start processing a new data frame */
absl::Status grpc_chttp2_data_parser_begin_frame(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_handle 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_core::Poll<grpc_error_handle> grpc_deframe_unprocessed_incoming_frames(
    grpc_chttp2_stream* s, uint32_t* min_progress_size,
    grpc_core::SliceBuffer* stream_out, uint32_t* message_flags);

#endif /* GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_FRAME_DATA_H */