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