59 lines
1.4 KiB
Go
59 lines
1.4 KiB
Go
// Package version provides default versions, user-agents etc. for client identification.
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package version
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import (
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"fmt"
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"reflect"
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"runtime/debug"
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)
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var (
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DefaultExtendedHandshakeClientVersion string
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// This should be updated when client behaviour changes in a way that other peers could care
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// about.
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DefaultBep20Prefix = "-GT0003-"
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DefaultHttpUserAgent string
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DefaultUpnpId string
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)
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func init() {
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const (
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longNamespace = "anacrolix"
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longPackageName = "torrent"
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)
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type Newtype struct{}
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var newtype Newtype
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thisPkg := reflect.TypeOf(newtype).PkgPath()
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var (
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mainPath = "unknown"
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mainVersion = "unknown"
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torrentVersion = "unknown"
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)
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if buildInfo, ok := debug.ReadBuildInfo(); ok {
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mainPath = buildInfo.Main.Path
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mainVersion = buildInfo.Main.Version
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// Note that if the main module is the same as this module, we get a version of "(devel)".
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for _, dep := range append(buildInfo.Deps, &buildInfo.Main) {
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if dep.Path == thisPkg {
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torrentVersion = dep.Version
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}
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}
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}
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DefaultExtendedHandshakeClientVersion = fmt.Sprintf(
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"%v %v (%v/%v %v)",
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mainPath,
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mainVersion,
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longNamespace,
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longPackageName,
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torrentVersion,
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)
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DefaultUpnpId = fmt.Sprintf("%v %v", mainPath, mainVersion)
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// Per https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/User-Agent#library_and_net_tool_ua_strings
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DefaultHttpUserAgent = fmt.Sprintf(
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"%v-%v/%v",
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longNamespace,
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longPackageName,
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torrentVersion,
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)
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}
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