xref: /aosp_15_r20/external/webrtc/rtc_tools/data_channel_benchmark/grpc_signaling.h (revision d9f758449e529ab9291ac668be2861e7a55c2422)
1 /*
2  *  Copyright (c) 2021 The WebRTC project authors. All Rights Reserved.
3  *
4  *  Use of this source code is governed by a BSD-style license
5  *  that can be found in the LICENSE file in the root of the source
6  *  tree. An additional intellectual property rights grant can be found
7  *  in the file PATENTS.  All contributing project authors may
8  *  be found in the AUTHORS file in the root of the source tree.
9  */
10 #ifndef RTC_TOOLS_DATA_CHANNEL_BENCHMARK_GRPC_SIGNALING_H_
11 #define RTC_TOOLS_DATA_CHANNEL_BENCHMARK_GRPC_SIGNALING_H_
12 
13 #include <memory>
14 #include <string>
15 
16 #include "api/jsep.h"
17 #include "rtc_tools/data_channel_benchmark/signaling_interface.h"
18 
19 namespace webrtc {
20 
21 // This class defines a server enabling clients to perform a PeerConnection
22 // negotiation directly over gRPC.
23 // When a client connects, a callback is run to handle the request.
24 class GrpcSignalingServerInterface {
25  public:
26   virtual ~GrpcSignalingServerInterface() = default;
27 
28   // Start listening for connections.
29   virtual void Start() = 0;
30 
31   // Wait for the gRPC server to terminate.
32   virtual void Wait() = 0;
33 
34   // Stop the gRPC server instance.
35   virtual void Stop() = 0;
36 
37   // The port the server is listening on.
38   virtual int SelectedPort() = 0;
39 
40   // Create a gRPC server listening on |port| that will run |callback| on each
41   // request. If |oneshot| is true, it will terminate after serving one request.
42   static std::unique_ptr<GrpcSignalingServerInterface> Create(
43       std::function<void(webrtc::SignalingInterface*)> callback,
44       int port,
45       bool oneshot);
46 };
47 
48 // This class defines a client that can connect to a server and perform a
49 // PeerConnection negotiation directly over gRPC.
50 class GrpcSignalingClientInterface {
51  public:
52   virtual ~GrpcSignalingClientInterface() = default;
53 
54   // Connect the client to the gRPC server.
55   virtual bool Start() = 0;
56   virtual webrtc::SignalingInterface* signaling_client() = 0;
57 
58   // Create a client to connnect to a server at |server_address|.
59   static std::unique_ptr<GrpcSignalingClientInterface> Create(
60       const std::string& server_address);
61 };
62 
63 }  // namespace webrtc
64 #endif  // RTC_TOOLS_DATA_CHANNEL_BENCHMARK_GRPC_SIGNALING_H_
65