netd: Add preliminary support for BT PAN
Signed-off-by: San Mehat <san@google.com>
diff --git a/PanController.cpp b/PanController.cpp
new file mode 100644
index 0000000..f4ae8ee
--- /dev/null
+++ b/PanController.cpp
@@ -0,0 +1,95 @@
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <stdlib.h>
+#include <errno.h>
+#include <fcntl.h>
+
+#include <sys/socket.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+
+#include <netinet/in.h>
+#include <arpa/inet.h>
+
+#include <bluedroid/bluetooth.h>
+
+#define LOG_TAG "PanController"
+#include <cutils/log.h>
+
+#include "PanController.h"
+
+extern "C" int bt_is_enabled();
+
+PanController::PanController() {
+ mPid = 0;
+}
+
+PanController::~PanController() {
+}
+
+int PanController::startPan() {
+ pid_t pid;
+
+ if (!bt_is_enabled()) {
+ LOGE("Cannot start PAN services - Bluetooth not running");
+ errno = ENODEV;
+ return -1;
+ }
+
+ if (mPid) {
+ LOGE("PAN already started");
+ errno = EBUSY;
+ return -1;
+ }
+
+ if ((pid = fork()) < 0) {
+ LOGE("fork failed (%s)", strerror(errno));
+ return -1;
+ }
+
+ if (!pid) {
+ if (execl("/system/bin/pand", "/system/bin/pand", "--nodetach", "--listen",
+ "--role", "NAP", (char *) NULL)) {
+ LOGE("execl failed (%s)", strerror(errno));
+ }
+ LOGE("Should never get here!");
+ return 0;
+ } else {
+ mPid = pid;
+ }
+ return 0;
+
+}
+
+int PanController::stopPan() {
+ if (mPid == 0) {
+ LOGE("PAN already stopped");
+ return 0;
+ }
+
+ LOGD("Stopping PAN services");
+ kill(mPid, SIGTERM);
+ waitpid(mPid, NULL, 0);
+ mPid = 0;
+ LOGD("PAN services stopped");
+ return 0;
+}
+
+bool PanController::isPanStarted() {
+ return (mPid != 0 ? true : false);
+}