2 * Copyright (C) 2014 The Android Open Source Project
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
17 #ifndef NETD_CLIENT_FWMARK_CLIENT_H
18 #define NETD_CLIENT_FWMARK_CLIENT_H
20 #include <sys/socket.h>
26 // Returns true if a socket of the given |family| should be sent to the fwmark server to have
28 static bool shouldSetFwmark(int family);
30 // Returns true if an additional call should be made after ON_CONNECT calls, to log extra
31 // information like latency and source IP.
32 static bool shouldReportConnectComplete(int family);
37 // Sends |data| to the fwmark server, along with |fd| as ancillary data using cmsg(3).
38 // Returns 0 on success or a negative errno value on failure.
39 int send(FwmarkCommand* data, int fd);
41 // Env flag to control whether FwmarkClient sends any information at all about network events
42 // back to the system server through FwmarkServer.
43 static constexpr const char* ANDROID_NO_USE_FWMARK_CLIENT = "ANDROID_NO_USE_FWMARK_CLIENT";
45 // Env flag to control whether FwmarkClient should exclude detailed information like IP
46 // addresses and only send basic information necessary for marking sockets.
47 // Has no effect if ANDROID_NO_USE_FWMARK_CLIENT is set.
48 static constexpr const char* ANDROID_FWMARK_METRICS_ONLY = "ANDROID_FWMARK_METRICS_ONLY";
54 #endif // NETD_CLIENT_FWMARK_CLIENT_H