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55 lines
1.7 KiB
55 lines
1.7 KiB
4 months ago
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/*
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* Copyright (C) 2018 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "netdutils/SocketOption.h"
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#include <netinet/in.h>
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#include <netinet/tcp.h>
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#include <sys/socket.h>
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#include <utility>
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#include "netdutils/Syscalls.h"
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namespace android {
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namespace netdutils {
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Status enableSockopt(Fd sock, int level, int optname) {
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auto& sys = sSyscalls.get();
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const int on = 1;
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return sys.setsockopt(sock, level, optname, &on, sizeof(on));
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}
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Status enableTcpKeepAlives(Fd sock, unsigned idleTime, unsigned numProbes, unsigned probeInterval) {
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RETURN_IF_NOT_OK(enableSockopt(sock, SOL_SOCKET, SO_KEEPALIVE));
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auto& sys = sSyscalls.get();
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if (idleTime != 0) {
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RETURN_IF_NOT_OK(sys.setsockopt(sock, SOL_TCP, TCP_KEEPIDLE, &idleTime, sizeof(idleTime)));
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}
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if (numProbes != 0) {
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RETURN_IF_NOT_OK(sys.setsockopt(sock, SOL_TCP, TCP_KEEPCNT, &numProbes, sizeof(numProbes)));
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}
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if (probeInterval != 0) {
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RETURN_IF_NOT_OK(sys.setsockopt(sock, SOL_TCP, TCP_KEEPINTVL, &probeInterval,
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sizeof(probeInterval)));
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}
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return status::ok;
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}
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} // namespace netdutils
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} // namespace android
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