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Fix loss accounting for multiple packets.

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This commit is contained in:
Juliusz Chroboczek 2021-04-28 00:06:32 +02:00
parent b7f39d3290
commit d0ef6a2c0f
2 changed files with 14 additions and 12 deletions
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2
packetcache/packetcache.go
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@ -355,7 +355,7 @@ func (cache *Cache) Expect(n int) {
cache.mu.Lock() cache.mu.Lock()
defer cache.mu.Unlock() defer cache.mu.Unlock()
cache.expected += uint32(n) cache.expected += uint32(n)
cache.lost++ cache.lost += uint32(n)
} }
// get retrieves a packet from a slice of entries. // get retrieves a packet from a slice of entries.

24
packetcache/packetcache_test.go
View file

@ -512,14 +512,14 @@ func TestCacheStatsFull(t *testing.T) {
func TestCacheStatsDrop(t *testing.T) { func TestCacheStatsDrop(t *testing.T) {
cache := New(16) cache := New(16)
for i := 0; i < 32; i++ { for i := 0; i < 32; i++ {
if i != 8 { if i != 8 && i != 10 {
cache.Store(uint16(i), 0, false, false, []byte{uint8(i)}) cache.Store(uint16(i), 0, false, false, []byte{uint8(i)})
} }
} }
expected, lost, totalLost, eseqno := cache.GetStats(false) expected, lost, totalLost, eseqno := cache.GetStats(false)
if expected != 32 || if expected != 32 ||
lost != 1 || lost != 2 ||
totalLost != 1 || totalLost != 2 ||
eseqno != 31 { eseqno != 31 {
t.Errorf("Expected 32, 1, 1, 31, got %v, %v, %v, %v", t.Errorf("Expected 32, 1, 1, 31, got %v, %v, %v, %v",
expected, lost, totalLost, eseqno) expected, lost, totalLost, eseqno)
@ -529,17 +529,18 @@ func TestCacheStatsDrop(t *testing.T) {
func TestCacheStatsUnordered(t *testing.T) { func TestCacheStatsUnordered(t *testing.T) {
cache := New(16) cache := New(16)
for i := 0; i < 32; i++ { for i := 0; i < 32; i++ {
if i != 8 { if i != 8 && i != 10 {
cache.Store(uint16(i), 0, false, false, []byte{uint8(i)}) cache.Store(uint16(i), 0, false, false, []byte{uint8(i)})
} }
} }
cache.Store(uint16(8), 0, false, false, []byte{8}) cache.Store(uint16(8), 0, false, false, []byte{8})
cache.Store(uint16(10), 0, false, false, []byte{10})
expected, lost, totalLost, eseqno := cache.GetStats(false) expected, lost, totalLost, eseqno := cache.GetStats(false)
if expected != 32 || if expected != 32 ||
lost != 0 || lost != 0 ||
totalLost != 0 || totalLost != 0 ||
eseqno != 31 { eseqno != 31 {
t.Errorf("Expected 32, 1, 1, 31, got %v, %v, %v, %v", t.Errorf("Expected 32, 0, 0, 31, got %v, %v, %v, %v",
expected, lost, totalLost, eseqno) expected, lost, totalLost, eseqno)
} }
} }
@ -547,18 +548,19 @@ func TestCacheStatsUnordered(t *testing.T) {
func TestCacheStatsNack(t *testing.T) { func TestCacheStatsNack(t *testing.T) {
cache := New(16) cache := New(16)
for i := 0; i < 32; i++ { for i := 0; i < 32; i++ {
if i != 8 { if i != 8 && i != 10 {
cache.Store(uint16(i), 0, false, false, []byte{uint8(i)}) cache.Store(uint16(i), 0, false, false, []byte{uint8(i)})
} }
} }
cache.Expect(1) cache.Expect(2)
cache.Store(uint16(8), 0, false, false, []byte{8}) cache.Store(uint16(8), 0, false, false, []byte{8})
cache.Store(uint16(10), 0, false, false, []byte{10})
expected, lost, totalLost, eseqno := cache.GetStats(false) expected, lost, totalLost, eseqno := cache.GetStats(false)
if expected != 33 || if expected != 34 ||
lost != 1 || lost != 2 ||
totalLost != 1 || totalLost != 2 ||
eseqno != 31 { eseqno != 31 {
t.Errorf("Expected 33, 1, 1, 31, got %v, %v, %v, %v", t.Errorf("Expected 34, 2, 2, 31, got %v, %v, %v, %v",
expected, lost, totalLost, eseqno) expected, lost, totalLost, eseqno)
} }
} }