1 /*
2 * Copyright 2023 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include "module.h"
18
19 #include <bluetooth/log.h>
20 #include <hardware/bt_gatt.h>
21
22 #include "btcore/include/module.h"
23 #include "os/log.h"
24 #ifndef TARGET_FLOSS
25 #include "src/connection/ffi/connection_shim.h"
26 #include "src/core/ffi.rs.h"
27 #include "src/gatt/ffi.rs.h"
28 #endif
29
30 #ifdef TARGET_FLOSS
31
32 // Rust modules don't run on Floss yet (b/277643360)
33 const module_t rust_module = {.name = RUST_MODULE,
34 .init = nullptr,
35 .start_up = nullptr,
36 .shut_down = nullptr,
37 .clean_up = nullptr,
38 .dependencies = {}};
39
40 #else
41
42 extern const btgatt_callbacks_t* bt_gatt_callbacks;
43
44 namespace bluetooth {
45 namespace rust_shim {
46
FutureReady(future_t & future)47 void FutureReady(future_t& future) { future_ready(&future, FUTURE_SUCCESS); }
48
49 } // namespace rust_shim
50 } // namespace bluetooth
51
52 namespace {
Start()53 future_t* Start() {
54 auto fut = future_new();
55
56 if (bt_gatt_callbacks == nullptr) {
57 // We can't crash here since some adapter tests mis-use the stack
58 // startup/cleanup logic and start the stack without GATT, but don't fully
59 // mock out the native layer.
60 bluetooth::log::error(
61 "GATT profile not started, so we cannot start the Rust loop - this "
62 "happens only in tests.");
63 bluetooth::rust_shim::FutureReady(*fut);
64 return fut;
65 }
66 bluetooth::rust_shim::start(
67 std::make_unique<bluetooth::gatt::GattServerCallbacks>(
68 *bt_gatt_callbacks->server),
69 std::make_unique<bluetooth::connection::LeAclManagerShim>(), *fut);
70
71 return fut;
72 }
73
Stop()74 future_t* Stop() {
75 bluetooth::rust_shim::stop();
76 return nullptr;
77 }
78 } // namespace
79
80 const module_t rust_module = {.name = RUST_MODULE,
81 .init = nullptr,
82 .start_up = Start,
83 .shut_down = Stop,
84 .clean_up = nullptr,
85 .dependencies = {}};
86
87 #endif
88