mirror of
https://gitea.com/Lydanne/buildx.git
synced 2025-11-04 18:13:42 +08:00
325 lines
8.1 KiB
Go
325 lines
8.1 KiB
Go
// Copyright The OpenTelemetry Authors
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
package internal // import "go.opentelemetry.io/otel/semconv/internal/v2"
|
|
|
|
import (
|
|
"net"
|
|
"strconv"
|
|
"strings"
|
|
|
|
"go.opentelemetry.io/otel/attribute"
|
|
)
|
|
|
|
// NetConv are the network semantic convention attributes defined for a version
|
|
// of the OpenTelemetry specification.
|
|
type NetConv struct {
|
|
NetHostNameKey attribute.Key
|
|
NetHostPortKey attribute.Key
|
|
NetPeerNameKey attribute.Key
|
|
NetPeerPortKey attribute.Key
|
|
NetSockFamilyKey attribute.Key
|
|
NetSockPeerAddrKey attribute.Key
|
|
NetSockPeerPortKey attribute.Key
|
|
NetSockHostAddrKey attribute.Key
|
|
NetSockHostPortKey attribute.Key
|
|
NetTransportOther attribute.KeyValue
|
|
NetTransportTCP attribute.KeyValue
|
|
NetTransportUDP attribute.KeyValue
|
|
NetTransportInProc attribute.KeyValue
|
|
}
|
|
|
|
func (c *NetConv) Transport(network string) attribute.KeyValue {
|
|
switch network {
|
|
case "tcp", "tcp4", "tcp6":
|
|
return c.NetTransportTCP
|
|
case "udp", "udp4", "udp6":
|
|
return c.NetTransportUDP
|
|
case "unix", "unixgram", "unixpacket":
|
|
return c.NetTransportInProc
|
|
default:
|
|
// "ip:*", "ip4:*", and "ip6:*" all are considered other.
|
|
return c.NetTransportOther
|
|
}
|
|
}
|
|
|
|
// Host returns attributes for a network host address.
|
|
func (c *NetConv) Host(address string) []attribute.KeyValue {
|
|
h, p := splitHostPort(address)
|
|
var n int
|
|
if h != "" {
|
|
n++
|
|
if p > 0 {
|
|
n++
|
|
}
|
|
}
|
|
|
|
if n == 0 {
|
|
return nil
|
|
}
|
|
|
|
attrs := make([]attribute.KeyValue, 0, n)
|
|
attrs = append(attrs, c.HostName(h))
|
|
if p > 0 {
|
|
attrs = append(attrs, c.HostPort(int(p)))
|
|
}
|
|
return attrs
|
|
}
|
|
|
|
// Server returns attributes for a network listener listening at address. See
|
|
// net.Listen for information about acceptable address values, address should
|
|
// be the same as the one used to create ln. If ln is nil, only network host
|
|
// attributes will be returned that describe address. Otherwise, the socket
|
|
// level information about ln will also be included.
|
|
func (c *NetConv) Server(address string, ln net.Listener) []attribute.KeyValue {
|
|
if ln == nil {
|
|
return c.Host(address)
|
|
}
|
|
|
|
lAddr := ln.Addr()
|
|
if lAddr == nil {
|
|
return c.Host(address)
|
|
}
|
|
|
|
hostName, hostPort := splitHostPort(address)
|
|
sockHostAddr, sockHostPort := splitHostPort(lAddr.String())
|
|
network := lAddr.Network()
|
|
sockFamily := family(network, sockHostAddr)
|
|
|
|
n := nonZeroStr(hostName, network, sockHostAddr, sockFamily)
|
|
n += positiveInt(hostPort, sockHostPort)
|
|
attr := make([]attribute.KeyValue, 0, n)
|
|
if hostName != "" {
|
|
attr = append(attr, c.HostName(hostName))
|
|
if hostPort > 0 {
|
|
// Only if net.host.name is set should net.host.port be.
|
|
attr = append(attr, c.HostPort(hostPort))
|
|
}
|
|
}
|
|
if network != "" {
|
|
attr = append(attr, c.Transport(network))
|
|
}
|
|
if sockFamily != "" {
|
|
attr = append(attr, c.NetSockFamilyKey.String(sockFamily))
|
|
}
|
|
if sockHostAddr != "" {
|
|
attr = append(attr, c.NetSockHostAddrKey.String(sockHostAddr))
|
|
if sockHostPort > 0 {
|
|
// Only if net.sock.host.addr is set should net.sock.host.port be.
|
|
attr = append(attr, c.NetSockHostPortKey.Int(sockHostPort))
|
|
}
|
|
}
|
|
return attr
|
|
}
|
|
|
|
func (c *NetConv) HostName(name string) attribute.KeyValue {
|
|
return c.NetHostNameKey.String(name)
|
|
}
|
|
|
|
func (c *NetConv) HostPort(port int) attribute.KeyValue {
|
|
return c.NetHostPortKey.Int(port)
|
|
}
|
|
|
|
// Client returns attributes for a client network connection to address. See
|
|
// net.Dial for information about acceptable address values, address should be
|
|
// the same as the one used to create conn. If conn is nil, only network peer
|
|
// attributes will be returned that describe address. Otherwise, the socket
|
|
// level information about conn will also be included.
|
|
func (c *NetConv) Client(address string, conn net.Conn) []attribute.KeyValue {
|
|
if conn == nil {
|
|
return c.Peer(address)
|
|
}
|
|
|
|
lAddr, rAddr := conn.LocalAddr(), conn.RemoteAddr()
|
|
|
|
var network string
|
|
switch {
|
|
case lAddr != nil:
|
|
network = lAddr.Network()
|
|
case rAddr != nil:
|
|
network = rAddr.Network()
|
|
default:
|
|
return c.Peer(address)
|
|
}
|
|
|
|
peerName, peerPort := splitHostPort(address)
|
|
var (
|
|
sockFamily string
|
|
sockPeerAddr string
|
|
sockPeerPort int
|
|
sockHostAddr string
|
|
sockHostPort int
|
|
)
|
|
|
|
if lAddr != nil {
|
|
sockHostAddr, sockHostPort = splitHostPort(lAddr.String())
|
|
}
|
|
|
|
if rAddr != nil {
|
|
sockPeerAddr, sockPeerPort = splitHostPort(rAddr.String())
|
|
}
|
|
|
|
switch {
|
|
case sockHostAddr != "":
|
|
sockFamily = family(network, sockHostAddr)
|
|
case sockPeerAddr != "":
|
|
sockFamily = family(network, sockPeerAddr)
|
|
}
|
|
|
|
n := nonZeroStr(peerName, network, sockPeerAddr, sockHostAddr, sockFamily)
|
|
n += positiveInt(peerPort, sockPeerPort, sockHostPort)
|
|
attr := make([]attribute.KeyValue, 0, n)
|
|
if peerName != "" {
|
|
attr = append(attr, c.PeerName(peerName))
|
|
if peerPort > 0 {
|
|
// Only if net.peer.name is set should net.peer.port be.
|
|
attr = append(attr, c.PeerPort(peerPort))
|
|
}
|
|
}
|
|
if network != "" {
|
|
attr = append(attr, c.Transport(network))
|
|
}
|
|
if sockFamily != "" {
|
|
attr = append(attr, c.NetSockFamilyKey.String(sockFamily))
|
|
}
|
|
if sockPeerAddr != "" {
|
|
attr = append(attr, c.NetSockPeerAddrKey.String(sockPeerAddr))
|
|
if sockPeerPort > 0 {
|
|
// Only if net.sock.peer.addr is set should net.sock.peer.port be.
|
|
attr = append(attr, c.NetSockPeerPortKey.Int(sockPeerPort))
|
|
}
|
|
}
|
|
if sockHostAddr != "" {
|
|
attr = append(attr, c.NetSockHostAddrKey.String(sockHostAddr))
|
|
if sockHostPort > 0 {
|
|
// Only if net.sock.host.addr is set should net.sock.host.port be.
|
|
attr = append(attr, c.NetSockHostPortKey.Int(sockHostPort))
|
|
}
|
|
}
|
|
return attr
|
|
}
|
|
|
|
func family(network, address string) string {
|
|
switch network {
|
|
case "unix", "unixgram", "unixpacket":
|
|
return "unix"
|
|
default:
|
|
if ip := net.ParseIP(address); ip != nil {
|
|
if ip.To4() == nil {
|
|
return "inet6"
|
|
}
|
|
return "inet"
|
|
}
|
|
}
|
|
return ""
|
|
}
|
|
|
|
func nonZeroStr(strs ...string) int {
|
|
var n int
|
|
for _, str := range strs {
|
|
if str != "" {
|
|
n++
|
|
}
|
|
}
|
|
return n
|
|
}
|
|
|
|
func positiveInt(ints ...int) int {
|
|
var n int
|
|
for _, i := range ints {
|
|
if i > 0 {
|
|
n++
|
|
}
|
|
}
|
|
return n
|
|
}
|
|
|
|
// Peer returns attributes for a network peer address.
|
|
func (c *NetConv) Peer(address string) []attribute.KeyValue {
|
|
h, p := splitHostPort(address)
|
|
var n int
|
|
if h != "" {
|
|
n++
|
|
if p > 0 {
|
|
n++
|
|
}
|
|
}
|
|
|
|
if n == 0 {
|
|
return nil
|
|
}
|
|
|
|
attrs := make([]attribute.KeyValue, 0, n)
|
|
attrs = append(attrs, c.PeerName(h))
|
|
if p > 0 {
|
|
attrs = append(attrs, c.PeerPort(int(p)))
|
|
}
|
|
return attrs
|
|
}
|
|
|
|
func (c *NetConv) PeerName(name string) attribute.KeyValue {
|
|
return c.NetPeerNameKey.String(name)
|
|
}
|
|
|
|
func (c *NetConv) PeerPort(port int) attribute.KeyValue {
|
|
return c.NetPeerPortKey.Int(port)
|
|
}
|
|
|
|
func (c *NetConv) SockPeerAddr(addr string) attribute.KeyValue {
|
|
return c.NetSockPeerAddrKey.String(addr)
|
|
}
|
|
|
|
func (c *NetConv) SockPeerPort(port int) attribute.KeyValue {
|
|
return c.NetSockPeerPortKey.Int(port)
|
|
}
|
|
|
|
// splitHostPort splits a network address hostport of the form "host",
|
|
// "host%zone", "[host]", "[host%zone], "host:port", "host%zone:port",
|
|
// "[host]:port", "[host%zone]:port", or ":port" into host or host%zone and
|
|
// port.
|
|
//
|
|
// An empty host is returned if it is not provided or unparsable. A negative
|
|
// port is returned if it is not provided or unparsable.
|
|
func splitHostPort(hostport string) (host string, port int) {
|
|
port = -1
|
|
|
|
if strings.HasPrefix(hostport, "[") {
|
|
addrEnd := strings.LastIndex(hostport, "]")
|
|
if addrEnd < 0 {
|
|
// Invalid hostport.
|
|
return
|
|
}
|
|
if i := strings.LastIndex(hostport[addrEnd:], ":"); i < 0 {
|
|
host = hostport[1:addrEnd]
|
|
return
|
|
}
|
|
} else {
|
|
if i := strings.LastIndex(hostport, ":"); i < 0 {
|
|
host = hostport
|
|
return
|
|
}
|
|
}
|
|
|
|
host, pStr, err := net.SplitHostPort(hostport)
|
|
if err != nil {
|
|
return
|
|
}
|
|
|
|
p, err := strconv.ParseUint(pStr, 10, 16)
|
|
if err != nil {
|
|
return
|
|
}
|
|
return host, int(p)
|
|
}
|