1 // Copyright 2023 The Pigweed Authors
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License"); you may not
4 // use this file except in compliance with the License. You may obtain a copy of
5 // the License at
6 //
7 //     https://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
11 // WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
12 // License for the specific language governing permissions and limitations under
13 // the License.
14 
15 #pragma once
16 #include "fake_l2cap.h"
17 #include "pw_bluetooth_sapphire/internal/host/common/byte_buffer.h"
18 #include "pw_bluetooth_sapphire/internal/host/common/packet_view.h"
19 #include "pw_bluetooth_sapphire/internal/host/hci-spec/protocol.h"
20 #include "pw_bluetooth_sapphire/internal/host/l2cap/fake_l2cap.h"
21 #include "pw_bluetooth_sapphire/internal/host/l2cap/l2cap_defs.h"
22 #include "pw_bluetooth_sapphire/internal/host/sdp/server.h"
23 #include "pw_bluetooth_sapphire/internal/host/testing/fake_dynamic_channel.h"
24 
25 namespace bt::testing {
26 
27 // Emulate Sdp Server capability leveraging the production SDP server to
28 // generate response packets as necessary.
29 class FakeSdpServer {
30  public:
31   // Initialize a FakeSdpServer instance and create an associated instance of
32   // the production SDP server.
33   explicit FakeSdpServer(pw::async::Dispatcher& pw_dispatcher);
34 
35   // Register this FakeSdpServer as a service on PSM l2cap::kSDP on |l2cap|.
36   // Any channel registered with this service will have its packet handler
37   // calllback set to FakeSdpServer::HandleSdu()
38   void RegisterWithL2cap(FakeL2cap* l2cap);
39 
40   // Handle an inbound packet |sdu| using the production SDP server instance,
41   // and then respond using the |channel| send_packet_callback.
42   void HandleSdu(FakeDynamicChannel::WeakPtr channel, const ByteBuffer& sdu);
43 
44   // Return the production SDP server associated with this FakeSdpServer.
server()45   sdp::Server* server() { return &server_; }
46 
47  private:
48   std::unique_ptr<l2cap::testing::FakeL2cap> l2cap_;
49 
50   // The production SDP server associated with this FakeSdpServer,
51   sdp::Server server_;
52 
53   BT_DISALLOW_COPY_AND_ASSIGN_ALLOW_MOVE(FakeSdpServer);
54 };
55 
56 }  // namespace bt::testing
57