netd: Add support for attaching/detaching PPP daemons

Signed-off-by: San Mehat <san@google.com>
diff --git a/PppController.h b/PppController.h
new file mode 100644
index 0000000..8683de2
--- /dev/null
+++ b/PppController.h
@@ -0,0 +1,42 @@
+/*
+ * 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.
+ */
+
+#ifndef _PPP_CONTROLLER_H
+#define _PPP_CONTROLLER_H
+
+#include <linux/in.h>
+
+#include <utils/List.h>
+
+typedef android::List<char *> TtyCollection;
+
+class PppController {
+    TtyCollection *mTtys;
+    pid_t          mPid; // TODO: Add support for > 1 pppd instance
+
+public:
+    PppController();
+    virtual ~PppController();
+
+    int attachPppd(const char *tty, struct in_addr local,
+                   struct in_addr remote);
+    int detachPppd(const char *tty);
+    TtyCollection *getTtyList();
+
+private:
+};
+
+#endif