51 lines
1.3 KiB
Go
51 lines
1.3 KiB
Go
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// Copyright (C) MongoDB, Inc. 2017-present.
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//
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// Licensed under the Apache License, Version 2.0 (the "License"); you may
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// not use this file except in compliance with the License. You may obtain
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// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
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// Package address provides structured representations of network addresses.
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package address // import "go.mongodb.org/mongo-driver/mongo/address"
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import (
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"net"
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"strings"
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)
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const defaultPort = "27017"
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// Address is a network address. It can either be an IP address or a DNS name.
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type Address string
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// Network is the network protocol for this address. In most cases this will be
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// "tcp" or "unix".
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func (a Address) Network() string {
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if strings.HasSuffix(string(a), "sock") {
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return "unix"
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}
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return "tcp"
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}
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// String is the canonical version of this address, e.g. localhost:27017,
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// 1.2.3.4:27017, example.com:27017.
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func (a Address) String() string {
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// TODO: unicode case folding?
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s := strings.ToLower(string(a))
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if len(s) == 0 {
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return ""
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}
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if a.Network() != "unix" {
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_, _, err := net.SplitHostPort(s)
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if err != nil && strings.Contains(err.Error(), "missing port in address") {
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s += ":" + defaultPort
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}
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}
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return s
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}
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// Canonicalize creates a canonicalized address.
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func (a Address) Canonicalize() Address {
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return Address(a.String())
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}
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