1 /* 2 * hidl interface for wpa_supplicant daemon 3 * Copyright (c) 2004-2018, Jouni Malinen <j (at) w1.fi> 4 * Copyright (c) 2004-2018, Roshan Pius <rpius (at) google.com> 5 * 6 * This software may be distributed under the terms of the BSD license. 7 * See README for more details. 8 */ 9 10 #include <hwbinder/IPCThreadState.h> 11 #include <hidl/HidlTransportSupport.h> 12 13 #include "hostapd.h" 14 15 extern "C" 16 { 17 #include "hidl.h" 18 #include "utils/common.h" 19 #include "utils/eloop.h" 20 #include "utils/includes.h" 21 } 22 23 using android::hardware::configureRpcThreadpool; 24 using android::hardware::IPCThreadState; 25 using android::hardware::wifi::hostapd::V1_0::IHostapd; 26 using android::hardware::wifi::hostapd::V1_0::implementation::Hostapd; 27 28 // This file is a bridge between the hostapd code written in 'C' and the HIDL 29 // interface in C++. So, using "C" style static globals here! 30 static int hidl_fd = -1; 31 static android::sp<IHostapd> service; 32 33 void hostapd_hidl_sock_handler( 34 int /* sock */, void * /* eloop_ctx */, void * /* sock_ctx */) 35 { 36 IPCThreadState::self()->handlePolledCommands(); 37 } 38 39 int hostapd_hidl_init(struct hapd_interfaces *interfaces) 40 { 41 wpa_printf(MSG_DEBUG, "Initing hidl control"); 42 43 IPCThreadState::self()->disableBackgroundScheduling(true); 44 IPCThreadState::self()->setupPolling(&hidl_fd); 45 if (hidl_fd < 0) 46 goto err; 47 48 wpa_printf(MSG_INFO, "Processing hidl events on FD %d", hidl_fd); 49 // Look for read events from the hidl socket in the eloop. 50 if (eloop_register_read_sock( 51 hidl_fd, hostapd_hidl_sock_handler, interfaces, NULL) < 0) 52 goto err; 53 service = new Hostapd(interfaces); 54 if (!service) 55 goto err; 56 if (service->registerAsService() != android::NO_ERROR) 57 goto err; 58 return 0; 59 err: 60 hostapd_hidl_deinit(interfaces); 61 return -1; 62 } 63 64 void hostapd_hidl_deinit(struct hapd_interfaces *interfaces) 65 { 66 wpa_printf(MSG_DEBUG, "Deiniting hidl control"); 67 eloop_unregister_read_sock(hidl_fd); 68 IPCThreadState::shutdown(); 69 hidl_fd = -1; 70 service.clear(); 71 } 72
