| /* |
| * binder interface for wpa_supplicant daemon |
| * Copyright (c) 2004-2016, Jouni Malinen <j@w1.fi> |
| * Copyright (c) 2004-2016, Roshan Pius <rpius@google.com> |
| * |
| * This software may be distributed under the terms of the BSD license. |
| * See README for more details. |
| */ |
| |
| #include <binder/IPCThreadState.h> |
| #include <binder/ProcessState.h> |
| #include <binder/IServiceManager.h> |
| |
| #include "binder_manager.h" |
| |
| extern "C" { |
| #include "utils/includes.h" |
| #include "utils/common.h" |
| #include "utils/eloop.h" |
| #include "binder.h" |
| #include "binder_i.h" |
| } |
| |
| void wpas_binder_sock_handler(int sock, void *eloop_ctx, void *sock_ctx) |
| { |
| struct wpa_global *global = (wpa_global *) eloop_ctx; |
| struct wpas_binder_priv *priv = (wpas_binder_priv *) sock_ctx; |
| |
| wpa_printf(MSG_DEBUG, "Processing binder events on FD %d", |
| priv->binder_fd); |
| android::IPCThreadState::self()->handlePolledCommands(); |
| } |
| |
| |
| struct wpas_binder_priv * wpas_binder_init(struct wpa_global *global) |
| { |
| struct wpas_binder_priv *priv; |
| wpa_supplicant_binder::BinderManager *binder_manager; |
| |
| priv = (wpas_binder_priv *) os_zalloc(sizeof(*priv)); |
| if (!priv) |
| return NULL; |
| priv->global = global; |
| |
| android::ProcessState::self()->setThreadPoolMaxThreadCount(0); |
| android::IPCThreadState::self()->disableBackgroundScheduling(true); |
| android::IPCThreadState::self()->setupPolling(&priv->binder_fd); |
| wpa_printf(MSG_INFO, "Process binder events on FD %d", priv->binder_fd); |
| if (priv->binder_fd < 0) |
| goto err; |
| /* Look for read events from the binder socket in the eloop. */ |
| if (eloop_register_read_sock(priv->binder_fd, wpas_binder_sock_handler, |
| global, priv) < 0) |
| goto err; |
| |
| binder_manager = wpa_supplicant_binder::BinderManager::getInstance(); |
| if (!binder_manager) |
| goto err; |
| binder_manager->registerBinderService(global); |
| /* We may not need to store this binder manager reference in the |
| * global data strucure because we've made it a singleton class. */ |
| priv->binder_manager = (void *) binder_manager; |
| |
| return priv; |
| |
| err: |
| wpas_binder_deinit(priv); |
| return NULL; |
| } |
| |
| |
| void wpas_binder_deinit(struct wpas_binder_priv *priv) |
| { |
| if (!priv) |
| return; |
| |
| wpa_supplicant_binder::BinderManager::destroyInstance(); |
| eloop_unregister_read_sock(priv->binder_fd); |
| android::IPCThreadState::shutdown(); |
| } |
| |
| |
| int wpas_binder_register_interface(struct wpa_supplicant *wpa_s) |
| { |
| if (!wpa_s->global->binder) |
| return 1; |
| |
| wpa_supplicant_binder::BinderManager *binder_manager = |
| wpa_supplicant_binder::BinderManager::getInstance(); |
| if (!binder_manager) |
| return 1; |
| |
| return binder_manager->registerInterface(wpa_s); |
| } |
| |
| |
| int wpas_binder_unregister_interface(struct wpa_supplicant *wpa_s) |
| { |
| if (!wpa_s->global->binder) |
| return 1; |
| |
| wpa_supplicant_binder::BinderManager *binder_manager = |
| wpa_supplicant_binder::BinderManager::getInstance(); |
| if (!binder_manager) |
| return 1; |
| |
| return binder_manager->unregisterInterface(wpa_s); |
| } |