mirror of
https://github.com/jech/galene.git
synced 2024-11-09 18:25:58 +01:00
Implement packetcache.Last.
This commit is contained in:
parent
e6bf9338dd
commit
a189e0ad46
2 changed files with 31 additions and 2 deletions
|
@ -388,6 +388,20 @@ func (cache *Cache) Get(seqno uint16, result []byte) uint16 {
|
||||||
return 0
|
return 0
|
||||||
}
|
}
|
||||||
|
|
||||||
|
func (cache *Cache) Last() (bool, uint16, uint32) {
|
||||||
|
cache.mu.Lock()
|
||||||
|
defer cache.mu.Unlock()
|
||||||
|
if !cache.lastValid {
|
||||||
|
return false, 0, 0
|
||||||
|
}
|
||||||
|
buf := make([]byte, BufSize)
|
||||||
|
len, ts, _ := get(cache.last, cache.entries, buf)
|
||||||
|
if len == 0 {
|
||||||
|
return false, 0, 0
|
||||||
|
}
|
||||||
|
return true, cache.last, ts
|
||||||
|
}
|
||||||
|
|
||||||
// GetAt retrieves a packet from the cache assuming it is at the given index.
|
// GetAt retrieves a packet from the cache assuming it is at the given index.
|
||||||
func (cache *Cache) GetAt(seqno uint16, index uint16, result []byte) uint16 {
|
func (cache *Cache) GetAt(seqno uint16, index uint16, result []byte) uint16 {
|
||||||
cache.mu.Lock()
|
cache.mu.Lock()
|
||||||
|
|
|
@ -20,8 +20,23 @@ func TestCache(t *testing.T) {
|
||||||
buf1 := randomBuf()
|
buf1 := randomBuf()
|
||||||
buf2 := randomBuf()
|
buf2 := randomBuf()
|
||||||
cache := New(16)
|
cache := New(16)
|
||||||
_, i1 := cache.Store(13, 0, false, false, buf1)
|
|
||||||
_, i2 := cache.Store(17, 0, false, false, buf2)
|
found, _, _ := cache.Last()
|
||||||
|
if found {
|
||||||
|
t.Errorf("Found in empty cache")
|
||||||
|
}
|
||||||
|
|
||||||
|
_, i1 := cache.Store(13, 42, false, false, buf1)
|
||||||
|
_, i2 := cache.Store(17, 42, false, false, buf2)
|
||||||
|
|
||||||
|
found, seqno, ts := cache.Last()
|
||||||
|
if !found {
|
||||||
|
t.Errorf("Not found")
|
||||||
|
}
|
||||||
|
if seqno != 17 || ts != 42 {
|
||||||
|
t.Errorf("Expected %v, %v, got %v, %v",
|
||||||
|
17, 42, seqno, ts)
|
||||||
|
}
|
||||||
|
|
||||||
buf := make([]byte, BufSize)
|
buf := make([]byte, BufSize)
|
||||||
|
|
||||||
|
|
Loading…
Reference in a new issue