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