legacy-libs/grpc/deps/grpc/src/core/ext/transport/chttp2/transport/chttp2_transport.h

   1 /*
   2  *
   3  * Copyright 2015 gRPC authors.
   4  *
   5  * Licensed under the Apache License, Version 2.0 (the "License");
   6  * you may not use this file except in compliance with the License.
   7  * You may obtain a copy of the License at
   8  *
   9  *     http://www.apache.org/licenses/LICENSE-2.0
  10  *
  11  * Unless required by applicable law or agreed to in writing, software
  12  * distributed under the License is distributed on an "AS IS" BASIS,
  13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14  * See the License for the specific language governing permissions and
  15  * limitations under the License.
  16  *
  17  */
  18
  19 #ifndef GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_CHTTP2_TRANSPORT_H
  20 #define GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_CHTTP2_TRANSPORT_H
  21
  22 #include <grpc/support/port_platform.h>
  23
  24 #include "src/core/lib/channel/channelz.h"
  25 #include "src/core/lib/debug/trace.h"
  26 #include "src/core/lib/iomgr/endpoint.h"
  27 #include "src/core/lib/transport/transport.h"
  28
  29 extern grpc_core::TraceFlag grpc_http_trace;
  30 extern grpc_core::TraceFlag grpc_trace_http2_stream_state;
  31 extern grpc_core::DebugOnlyTraceFlag grpc_trace_chttp2_refcount;
  32 extern grpc_core::DebugOnlyTraceFlag grpc_trace_chttp2_hpack_parser;
  33
  34 extern bool g_flow_control_enabled;
  35
  36 grpc_transport* grpc_create_chttp2_transport(
  37     const grpc_channel_args* channel_args, grpc_endpoint* ep, bool is_client,
  38     grpc_resource_user* resource_user = nullptr);
  39
  40 grpc_core::RefCountedPtr<grpc_core::channelz::SocketNode>
  41 grpc_chttp2_transport_get_socket_node(grpc_transport* transport);
  42
  43 /// Takes ownership of \a read_buffer, which (if non-NULL) contains
  44 /// leftover bytes previously read from the endpoint (e.g., by handshakers).
  45 /// If non-null, \a notify_on_receive_settings will be scheduled when
  46 /// HTTP/2 settings are received from the peer.
  47 void grpc_chttp2_transport_start_reading(
  48     grpc_transport* transport, grpc_slice_buffer* read_buffer,
  49     grpc_closure* notify_on_receive_settings);
  50
  51 #endif /* GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_CHTTP2_TRANSPORT_H */