import (
"fmt"
- "git.fd.io/govpp.git/adapter"
"sync/atomic"
"time"
"unsafe"
+
+ "git.fd.io/govpp.git/adapter"
)
var (
maxVersion = 2
)
-const (
- statDirIllegal = 0
- statDirScalarIndex = 1
- statDirCounterVectorSimple = 2
- statDirCounterVectorCombined = 3
- statDirErrorIndex = 4
- statDirNameVector = 5
- statDirEmpty = 6
-)
+var dirTypeMapping = map[dirType]adapter.StatType{
+ 1: adapter.ScalarIndex,
+ 2: adapter.SimpleCounterVector,
+ 3: adapter.CombinedCounterVector,
+ 4: adapter.NameVector,
+ 5: adapter.Empty,
+ 6: adapter.Symlink,
+}
+
+var dirTypeMappingLegacy = map[dirType]adapter.StatType{
+ 1: adapter.ScalarIndex,
+ 2: adapter.SimpleCounterVector,
+ 3: adapter.CombinedCounterVector,
+ 4: adapter.ErrorIndex,
+ 5: adapter.NameVector,
+ 6: adapter.Empty,
+ 7: adapter.Symlink,
+}
type (
dirVector unsafe.Pointer
//
// Note that if the index is equal to 0, the result pointer points to
// the same memory address as the argument.
- GetStatDirOnIndex(v dirVector, index uint32) (dirSegment, dirName, dirType)
+ GetStatDirOnIndex(v dirVector, index uint32) (dirSegment, dirName, adapter.StatType)
// GetEpoch re-loads stats header and returns current epoch
//and 'inProgress' value
GetEpoch() (int64, bool)
// CopyEntryData accepts pointer to a directory segment and returns adapter.Stat
- // based on directory type populated with data
- CopyEntryData(segment dirSegment) adapter.Stat
+ // based on directory type populated with data. The index is an optional parameter
+ // (used by symlinks) returning stats for item on the given index only.
+ // Use ^uint32(0) as an empty index (since 0 is a valid value).
+ CopyEntryData(segment dirSegment, index uint32) adapter.Stat
// UpdateEntryData accepts pointer to a directory segment with data, and stat
// segment to update
vectorData [0]uint8
}
-func (t dirType) String() string {
- return adapter.StatType(t).String()
-}
-
func getVersion(data []byte) uint64 {
type apiVersion struct {
value uint64
return dirVector(&vec.length)
}
+func getStatType(dirTypeNum dirType, useLegacyMapping bool) (dirTyp adapter.StatType) {
+ var exists bool
+ if useLegacyMapping {
+ dirTyp, exists = dirTypeMappingLegacy[dirTypeNum]
+ } else {
+ dirTyp, exists = dirTypeMapping[dirTypeNum]
+ }
+ if exists {
+ return dirTyp
+ }
+ return adapter.Unknown
+}
+
//go:nosplit
func statSegPointer(v dirVector, offset uintptr) dirVector {
return dirVector(uintptr(v) + offset)