xref: /aosp_15_r20/external/pigweed/pw_bluetooth_sapphire/fuchsia/bt_host/util.cc (revision 61c4878ac05f98d0ceed94b57d316916de578985)
1 // Copyright 2024 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 #include "pw_bluetooth_sapphire/fuchsia/bt_host/util.h"
16 
17 #include <lib/fdio/directory.h>
18 #include <lib/zx/channel.h>
19 
20 #include "pw_bluetooth_sapphire/internal/host/common/log.h"
21 
22 using namespace bt;
23 
24 namespace bthost {
25 
26 zx::result<fidl::ClientEnd<fuchsia_hardware_bluetooth::Vendor>>
CreateVendorHandle(const std::string & device_path)27 CreateVendorHandle(const std::string& device_path) {
28   zx::channel client, server;
29   zx_status_t status = zx::channel::create(0, &client, &server);
30   if (status != ZX_OK) {
31     bt_log(WARN,
32            "bt-host",
33            "Failed to open HCI device: Could not create FIDL channel");
34     return zx::error(status);
35   }
36 
37   status = fdio_service_connect(device_path.c_str(), server.release());
38   if (status != ZX_OK) {
39     bt_log(WARN,
40            "bt-host",
41            "Failed to open HCI device: Could not connect to service directory");
42     return zx::error(status);
43   }
44 
45   return zx::ok(
46       fidl::ClientEnd<fuchsia_hardware_bluetooth::Vendor>(std::move(client)));
47 }
48 
49 }  // namespace bthost
50