| /* |
| * Copyright (C) 2018 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 NETDUTILS_SOCKETOPTION_H |
| #define NETDUTILS_SOCKETOPTION_H |
| |
| #include <netinet/in.h> |
| #include <sys/socket.h> |
| #include <string> |
| |
| #include "netdutils/Fd.h" |
| #include "netdutils/Status.h" |
| |
| namespace android { |
| namespace netdutils { |
| |
| // Turn on simple "boolean" socket options. |
| // |
| // This is simple wrapper for options that are enabled via code of the form: |
| // |
| // int on = 1; |
| // setsockopt(..., &on, sizeof(on)); |
| Status enableSockopt(Fd sock, int level, int optname); |
| |
| // Turn on TCP keepalives, and set keepalive parameters for this socket. |
| // |
| // A parameter value of zero does not set that parameter. |
| // |
| // Typical system defaults are: |
| // |
| // idleTime (in seconds) |
| // $ cat /proc/sys/net/ipv4/tcp_keepalive_time |
| // 7200 |
| // |
| // numProbes |
| // $ cat /proc/sys/net/ipv4/tcp_keepalive_probes |
| // 9 |
| // |
| // probeInterval (in seconds) |
| // $ cat /proc/sys/net/ipv4/tcp_keepalive_intvl |
| // 75 |
| Status enableTcpKeepAlives(Fd sock, unsigned idleTime, unsigned numProbes, unsigned probeInterval); |
| |
| } // namespace netdutils |
| } // namespace android |
| |
| #endif /* NETDUTILS_SOCKETOPTION_H */ |
