nexus: Introduce skelaton OpenVpnController class + remove some debug messages
Signed-off-by: San Mehat <san@google.com>
diff --git a/nexus/OpenVpnController.cpp b/nexus/OpenVpnController.cpp
new file mode 100644
index 0000000..eff653a
--- /dev/null
+++ b/nexus/OpenVpnController.cpp
@@ -0,0 +1,104 @@
+/*
+ * 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 <errno.h>
+
+#define LOG_TAG "OpenVpnController"
+#include <cutils/log.h>
+#include <cutils/properties.h>
+
+#include "OpenVpnController.h"
+
+#define DAEMON_PROP_NAME "vpn.openvpn.status"
+
+OpenVpnController::OpenVpnController() :
+ VpnController() {
+}
+
+int OpenVpnController::start() {
+ return 0;
+}
+
+int OpenVpnController::stop() {
+ return 0;
+}
+
+int OpenVpnController::enable() {
+
+ // Validate configuration file
+
+ // Validate key file
+
+ if (startServiceDaemon())
+ return -1;
+
+ errno = -ENOSYS;
+ return -1;
+}
+
+int OpenVpnController::startServiceDaemon() {
+ char status[PROPERTY_VALUE_MAX];
+ int count = 100;
+
+ property_set("ctl.start", "openvpn");
+ sched_yield();
+
+ while (count-- > 0) {
+ if (property_get(DAEMON_PROP_NAME, status, NULL)) {
+ if (strcmp(status, "ok") == 0)
+ return 0;
+ else if (strcmp(DAEMON_PROP_NAME, "failed") == 0)
+ return -1;
+ }
+ usleep(200000);
+ }
+ property_set(DAEMON_PROP_NAME, "timeout");
+ return -1;
+}
+
+int OpenVpnController::stopServiceDaemon() {
+ char status[PROPERTY_VALUE_MAX] = {'\0'};
+ int count = 50;
+
+ if (property_get(DAEMON_PROP_NAME, status, NULL) &&
+ !strcmp(status, "stopped")) {
+ LOGD("Service already stopped");
+ return 0;
+ }
+
+ property_set("ctl.stop", "openvpn");
+ sched_yield();
+
+ while (count-- > 0) {
+ if (property_get(DAEMON_PROP_NAME, status, NULL)) {
+ if (!strcmp(status, "stopped"))
+ break;
+ }
+ usleep(100000);
+ }
+
+ if (!count) {
+ LOGD("Timed out waiting for openvpn to stop");
+ errno = ETIMEDOUT;
+ return -1;
+ }
+
+ return 0;
+}
+
+int OpenVpnController::disable() {
+ errno = -ENOSYS;
+ return -1;
+}