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vendor: update buildkit to master@8b7bcb900d3c
Signed-off-by: Justin Chadwell <me@jedevc.com>
This commit is contained in:
Justin Chadwell
324
vendor/go.opentelemetry.io/otel/semconv/internal/v2/net.go
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324
vendor/go.opentelemetry.io/otel/semconv/internal/v2/net.go
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// Copyright The OpenTelemetry Authors
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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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package internal // import "go.opentelemetry.io/otel/semconv/internal/v2"
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import (
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"net"
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"strconv"
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"strings"
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"go.opentelemetry.io/otel/attribute"
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)
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// NetConv are the network semantic convention attributes defined for a version
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// of the OpenTelemetry specification.
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type NetConv struct {
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NetHostNameKey attribute.Key
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NetHostPortKey attribute.Key
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NetPeerNameKey attribute.Key
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NetPeerPortKey attribute.Key
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NetSockFamilyKey attribute.Key
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NetSockPeerAddrKey attribute.Key
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NetSockPeerPortKey attribute.Key
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NetSockHostAddrKey attribute.Key
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NetSockHostPortKey attribute.Key
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NetTransportOther attribute.KeyValue
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NetTransportTCP attribute.KeyValue
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NetTransportUDP attribute.KeyValue
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NetTransportInProc attribute.KeyValue
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}
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func (c *NetConv) Transport(network string) attribute.KeyValue {
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switch network {
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case "tcp", "tcp4", "tcp6":
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return c.NetTransportTCP
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case "udp", "udp4", "udp6":
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return c.NetTransportUDP
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case "unix", "unixgram", "unixpacket":
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return c.NetTransportInProc
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default:
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// "ip:*", "ip4:*", and "ip6:*" all are considered other.
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return c.NetTransportOther
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}
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}
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// Host returns attributes for a network host address.
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func (c *NetConv) Host(address string) []attribute.KeyValue {
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h, p := splitHostPort(address)
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var n int
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if h != "" {
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n++
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if p > 0 {
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n++
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}
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}
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if n == 0 {
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return nil
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}
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attrs := make([]attribute.KeyValue, 0, n)
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attrs = append(attrs, c.HostName(h))
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if p > 0 {
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attrs = append(attrs, c.HostPort(int(p)))
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}
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return attrs
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}
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// Server returns attributes for a network listener listening at address. See
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// net.Listen for information about acceptable address values, address should
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// be the same as the one used to create ln. If ln is nil, only network host
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// attributes will be returned that describe address. Otherwise, the socket
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// level information about ln will also be included.
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func (c *NetConv) Server(address string, ln net.Listener) []attribute.KeyValue {
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if ln == nil {
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return c.Host(address)
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}
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lAddr := ln.Addr()
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if lAddr == nil {
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return c.Host(address)
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}
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hostName, hostPort := splitHostPort(address)
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sockHostAddr, sockHostPort := splitHostPort(lAddr.String())
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network := lAddr.Network()
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sockFamily := family(network, sockHostAddr)
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n := nonZeroStr(hostName, network, sockHostAddr, sockFamily)
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n += positiveInt(hostPort, sockHostPort)
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attr := make([]attribute.KeyValue, 0, n)
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if hostName != "" {
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attr = append(attr, c.HostName(hostName))
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if hostPort > 0 {
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// Only if net.host.name is set should net.host.port be.
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attr = append(attr, c.HostPort(hostPort))
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}
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}
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if network != "" {
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attr = append(attr, c.Transport(network))
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}
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if sockFamily != "" {
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attr = append(attr, c.NetSockFamilyKey.String(sockFamily))
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}
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if sockHostAddr != "" {
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attr = append(attr, c.NetSockHostAddrKey.String(sockHostAddr))
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if sockHostPort > 0 {
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// Only if net.sock.host.addr is set should net.sock.host.port be.
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attr = append(attr, c.NetSockHostPortKey.Int(sockHostPort))
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}
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}
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return attr
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}
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func (c *NetConv) HostName(name string) attribute.KeyValue {
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return c.NetHostNameKey.String(name)
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}
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func (c *NetConv) HostPort(port int) attribute.KeyValue {
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return c.NetHostPortKey.Int(port)
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}
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// Client returns attributes for a client network connection to address. See
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// net.Dial for information about acceptable address values, address should be
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// the same as the one used to create conn. If conn is nil, only network peer
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// attributes will be returned that describe address. Otherwise, the socket
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// level information about conn will also be included.
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func (c *NetConv) Client(address string, conn net.Conn) []attribute.KeyValue {
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if conn == nil {
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return c.Peer(address)
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}
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lAddr, rAddr := conn.LocalAddr(), conn.RemoteAddr()
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var network string
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switch {
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case lAddr != nil:
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network = lAddr.Network()
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case rAddr != nil:
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network = rAddr.Network()
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default:
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return c.Peer(address)
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}
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peerName, peerPort := splitHostPort(address)
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var (
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sockFamily string
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sockPeerAddr string
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sockPeerPort int
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sockHostAddr string
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sockHostPort int
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)
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if lAddr != nil {
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sockHostAddr, sockHostPort = splitHostPort(lAddr.String())
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}
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if rAddr != nil {
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sockPeerAddr, sockPeerPort = splitHostPort(rAddr.String())
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}
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switch {
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case sockHostAddr != "":
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sockFamily = family(network, sockHostAddr)
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case sockPeerAddr != "":
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sockFamily = family(network, sockPeerAddr)
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}
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n := nonZeroStr(peerName, network, sockPeerAddr, sockHostAddr, sockFamily)
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n += positiveInt(peerPort, sockPeerPort, sockHostPort)
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attr := make([]attribute.KeyValue, 0, n)
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if peerName != "" {
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attr = append(attr, c.PeerName(peerName))
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if peerPort > 0 {
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// Only if net.peer.name is set should net.peer.port be.
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attr = append(attr, c.PeerPort(peerPort))
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}
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}
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if network != "" {
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attr = append(attr, c.Transport(network))
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}
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if sockFamily != "" {
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attr = append(attr, c.NetSockFamilyKey.String(sockFamily))
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}
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if sockPeerAddr != "" {
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attr = append(attr, c.NetSockPeerAddrKey.String(sockPeerAddr))
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if sockPeerPort > 0 {
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// Only if net.sock.peer.addr is set should net.sock.peer.port be.
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attr = append(attr, c.NetSockPeerPortKey.Int(sockPeerPort))
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}
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}
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if sockHostAddr != "" {
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attr = append(attr, c.NetSockHostAddrKey.String(sockHostAddr))
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if sockHostPort > 0 {
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// Only if net.sock.host.addr is set should net.sock.host.port be.
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attr = append(attr, c.NetSockHostPortKey.Int(sockHostPort))
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}
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}
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return attr
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}
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func family(network, address string) string {
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switch network {
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case "unix", "unixgram", "unixpacket":
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return "unix"
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default:
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if ip := net.ParseIP(address); ip != nil {
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if ip.To4() == nil {
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return "inet6"
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}
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return "inet"
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}
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}
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return ""
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}
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func nonZeroStr(strs ...string) int {
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var n int
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for _, str := range strs {
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if str != "" {
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n++
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}
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}
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return n
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}
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func positiveInt(ints ...int) int {
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var n int
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for _, i := range ints {
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if i > 0 {
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n++
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}
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}
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return n
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}
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// Peer returns attributes for a network peer address.
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func (c *NetConv) Peer(address string) []attribute.KeyValue {
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h, p := splitHostPort(address)
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var n int
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if h != "" {
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n++
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if p > 0 {
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n++
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}
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}
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if n == 0 {
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return nil
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}
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attrs := make([]attribute.KeyValue, 0, n)
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attrs = append(attrs, c.PeerName(h))
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if p > 0 {
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attrs = append(attrs, c.PeerPort(int(p)))
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}
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return attrs
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}
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func (c *NetConv) PeerName(name string) attribute.KeyValue {
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return c.NetPeerNameKey.String(name)
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}
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func (c *NetConv) PeerPort(port int) attribute.KeyValue {
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return c.NetPeerPortKey.Int(port)
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}
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func (c *NetConv) SockPeerAddr(addr string) attribute.KeyValue {
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return c.NetSockPeerAddrKey.String(addr)
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}
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func (c *NetConv) SockPeerPort(port int) attribute.KeyValue {
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return c.NetSockPeerPortKey.Int(port)
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}
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// splitHostPort splits a network address hostport of the form "host",
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// "host%zone", "[host]", "[host%zone], "host:port", "host%zone:port",
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// "[host]:port", "[host%zone]:port", or ":port" into host or host%zone and
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// port.
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//
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// An empty host is returned if it is not provided or unparsable. A negative
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// port is returned if it is not provided or unparsable.
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func splitHostPort(hostport string) (host string, port int) {
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port = -1
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if strings.HasPrefix(hostport, "[") {
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addrEnd := strings.LastIndex(hostport, "]")
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if addrEnd < 0 {
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// Invalid hostport.
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return
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}
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if i := strings.LastIndex(hostport[addrEnd:], ":"); i < 0 {
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host = hostport[1:addrEnd]
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return
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}
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} else {
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if i := strings.LastIndex(hostport, ":"); i < 0 {
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host = hostport
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return
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}
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}
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host, pStr, err := net.SplitHostPort(hostport)
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if err != nil {
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return
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}
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p, err := strconv.ParseUint(pStr, 10, 16)
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if err != nil {
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return
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}
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return host, int(p)
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}
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