1 files changed, 69 insertions, 0 deletions
diff --git a/libsysutils/include/sysutils/NetlinkEvent.h b/libsysutils/include/sysutils/NetlinkEvent.h
new file mode 100644
index 000000000..b80f3ea44
--- /dev/null
+++ b/libsysutils/include/sysutils/NetlinkEvent.h
@@ -0,0 +1,69 @@
+/*
+ * 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 _NETLINKEVENT_H
+#define _NETLINKEVENT_H
+
+#include <sysutils/NetlinkListener.h>
+
+#define NL_PARAMS_MAX 32
+
+class NetlinkEvent {
+public:
+    enum class Action {
+        kUnknown = 0,
+        kAdd = 1,
+        kRemove = 2,
+        kChange = 3,
+        kLinkUp = 4,
+        kLinkDown = 5,
+        kAddressUpdated = 6,
+        kAddressRemoved = 7,
+        kRdnss = 8,
+        kRouteUpdated = 9,
+        kRouteRemoved = 10,
+    };
+
+private:
+    int  mSeq;
+    char *mPath;
+    Action mAction;
+    char *mSubsystem;
+    char *mParams[NL_PARAMS_MAX];
+
+public:
+    NetlinkEvent();
+    virtual ~NetlinkEvent();
+
+    bool decode(char *buffer, int size, int format = NetlinkListener::NETLINK_FORMAT_ASCII);
+    const char *findParam(const char *paramName);
+
+    const char *getSubsystem() { return mSubsystem; }
+    Action getAction() { return mAction; }
+
+    void dump();
+
+ protected:
+    bool parseBinaryNetlinkMessage(char *buffer, int size);
+    bool parseAsciiNetlinkMessage(char *buffer, int size);
+    bool parseIfInfoMessage(const struct nlmsghdr *nh);
+    bool parseIfAddrMessage(const struct nlmsghdr *nh);
+    bool parseUlogPacketMessage(const struct nlmsghdr *nh);
+    bool parseNfPacketMessage(struct nlmsghdr *nh);
+    bool parseRtMessage(const struct nlmsghdr *nh);
+    bool parseNdUserOptMessage(const struct nlmsghdr *nh);
+};
+
+#endif