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lib/fs: Introduce walkfs debug facility (#4712)

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This commit is contained in:
Simon Frei 2018-02-05 11:07:56 +01:00 committed by Jakob Borg
parent 043b04d8a6
commit 8a3e584c19
2 changed files with 17 additions and 5 deletions
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9
lib/fs/debug.go
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@ -18,5 +18,12 @@ var (
) )
func init() { func init() {
l.SetDebug("fs", strings.Contains(os.Getenv("STTRACE"), "fs") || os.Getenv("STTRACE") == "all") logger.DefaultLogger.NewFacility("walkfs", "Filesystem access while walking")
switch {
case strings.Contains(os.Getenv("STTRACE"), "walkfs") || os.Getenv("STTRACE") == "all":
l.SetDebug("walkfs", true)
fallthrough
case strings.Contains(os.Getenv("STTRACE"), "fs"):
l.SetDebug("fs", true)
}
} }

13
lib/fs/filesystem.go
View File

@ -160,7 +160,7 @@ func NewFilesystem(fsType FilesystemType, uri string) Filesystem {
var fs Filesystem var fs Filesystem
switch fsType { switch fsType {
case FilesystemTypeBasic: case FilesystemTypeBasic:
fs = NewWalkFilesystem(newBasicFilesystem(uri)) fs = newBasicFilesystem(uri)
default: default:
l.Debugln("Unknown filesystem", fsType, uri) l.Debugln("Unknown filesystem", fsType, uri)
fs = &errorFilesystem{ fs = &errorFilesystem{
@ -170,10 +170,15 @@ func NewFilesystem(fsType FilesystemType, uri string) Filesystem {
} }
} }
if l.ShouldDebug("fs") { if l.ShouldDebug("walkfs") {
fs = &logFilesystem{fs} return NewWalkFilesystem(&logFilesystem{fs})
} }
return fs
if l.ShouldDebug("fs") {
return &logFilesystem{NewWalkFilesystem(fs)}
}
return NewWalkFilesystem(fs)
} }
// IsInternal returns true if the file, as a path relative to the folder // IsInternal returns true if the file, as a path relative to the folder