1 files changed, 104 insertions, 0 deletions
diff --git a/wpa_supplicant/binder/binder.cpp b/wpa_supplicant/binder/binder.cpp
new file mode 100644
index 000000000000..750e87818b20
--- /dev/null
+++ b/wpa_supplicant/binder/binder.cpp
@@ -0,0 +1,104 @@
+/*
+ * 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/IServiceManager.h>
+#include <binder/ProcessState.h>
+
+#include "binder_manager.h"
+
+extern "C" {
+#include "binder.h"
+#include "binder_i.h"
+#include "utils/common.h"
+#include "utils/eloop.h"
+#include "utils/includes.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);
+}