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/**
* Copyright (C) 2018-present MongoDB, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the Server Side Public License, version 1,
* as published by MongoDB, Inc.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* Server Side Public License for more details.
*
* You should have received a copy of the Server Side Public License
* along with this program. If not, see
* <http://www.mongodb.com/licensing/server-side-public-license>.
*
* As a special exception, the copyright holders give permission to link the
* code of portions of this program with the OpenSSL library under certain
* conditions as described in each individual source file and distribute
* linked combinations including the program with the OpenSSL library. You
* must comply with the Server Side Public License in all respects for
* all of the code used other than as permitted herein. If you modify file(s)
* with this exception, you may extend this exception to your version of the
* file(s), but you are not obligated to do so. If you do not wish to do so,
* delete this exception statement from your version. If you delete this
* exception statement from all source files in the program, then also delete
* it in the license file.
*/
#pragma once
#include <string>
#include <vector>
#include "mongo/bson/oid.h"
#include "mongo/util/duration.h"
namespace mongo {
struct HostAndPort;
class ServiceContext;
namespace repl {
/**
* An identifier unique to this instance. Used by isSelf to see if we are talking
* to ourself or someone else.
*/
extern OID instanceId;
/**
* Returns true if "hostAndPort" identifies this instance.
*/
bool isSelf(const HostAndPort& hostAndPort,
ServiceContext* ctx,
Milliseconds timeout = Seconds(30));
/**
* Returns true if "hostAndPort" identifies this instance by checking our bound IP addresses,
* without going out to the network and running the _isSelf command on the node.
*/
bool isSelfFastPath(const HostAndPort& hostAndPort);
/**
* Returns true if "hostAndPort" identifies this instance by running the _isSelf command on the
* node.
*/
bool isSelfSlowPath(const HostAndPort& hostAndPort, ServiceContext* ctx, Milliseconds timeout);
/**
* Returns all the IP addresses bound to the network interfaces of this machine.
* This requires a syscall. If the ipv6enabled parameter is true, both IPv6 AND IPv4
* addresses will be returned.
*
* Note: this only works on Linux and Windows. All calls should be properly ifdef'd,
* otherwise an invariant will be triggered.
*/
std::vector<std::string> getBoundAddrs(const bool ipv6enabled);
} // namespace repl
} // namespace mongo
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