1 /*
2  * Copyright 2019 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 #define LOG_TAG "bt_shim"
18 
19 #include "main/shim/shim.h"
20 
21 #include <bluetooth/log.h>
22 
23 #include "main/shim/hci_layer.h"
24 #include "main/shim/stack.h"
25 #include "stack/include/btu_hcif.h"
26 #include "stack/include/main_thread.h"
27 
28 static const hci_t* hci;
29 
post_to_main_message_loop(BT_HDR * p_msg)30 static void post_to_main_message_loop(BT_HDR* p_msg) {
31   if (do_in_main_thread(base::Bind(&btu_hci_msg_process, p_msg)) != BT_STATUS_SUCCESS) {
32     bluetooth::log::error("do_in_main_thread failed");
33   }
34 }
35 
ShimModuleStartUp()36 static future_t* ShimModuleStartUp() {
37   hci = bluetooth::shim::hci_layer_get_interface();
38   bluetooth::log::assert_that(hci, "could not get hci layer interface.");
39 
40   hci->set_data_cb(base::Bind(&post_to_main_message_loop));
41 
42   bluetooth::shim::Stack::GetInstance()->StartEverything();
43   return kReturnImmediate;
44 }
45 
GeneralShutDown()46 static future_t* GeneralShutDown() {
47   bluetooth::shim::Stack::GetInstance()->Stop();
48   return kReturnImmediate;
49 }
50 
51 EXPORT_SYMBOL extern const module_t gd_shim_module = {.name = GD_SHIM_MODULE,
52                                                       .init = kUnusedModuleApi,
53                                                       .start_up = ShimModuleStartUp,
54                                                       .shut_down = GeneralShutDown,
55                                                       .clean_up = kUnusedModuleApi,
56                                                       .dependencies = {kUnusedModuleDependencies}};
57 
is_gd_stack_started_up()58 bool bluetooth::shim::is_gd_stack_started_up() {
59   return bluetooth::shim::Stack::GetInstance()->IsRunning();
60 }
61