soypat/lneto
1
0
Fork 0
mirror of https://github.com/soypat/lneto.git synced 2026-08-21 15:09:05 +00:00
Code Issues Packages Projects Releases 1 Wiki Activity

add tcp ringtx

Browse Source
This commit is contained in:
soypat
2025-01-06 06:45:23 -03:00
parent 17d2987367
commit 73f0b547b3
3 changed files with 220 additions and 56 deletions
Download Patch File Download Diff File Expand all files Collapse all files
internal/ring_test.go
+16 -20
View File
@@ -11,7 +11,7 @@ func TestRing(t *testing.T) {
rng := rand.New(rand.NewSource(0))
const bufSize = 10
r := &Ring{
buf: make([]byte, bufSize),
Buf: make([]byte, bufSize),
}
const data = "hello"
_, err := r.WriteString(data)
@@ -138,7 +138,6 @@ func TestRing(t *testing.T) {
}
// ReadDiscard test.
discard := rng.Intn(nfirst+nsecond) + 1
r.ReadDiscard(discard)
n, err := r.Read(readback[:])
@@ -159,15 +158,12 @@ func TestRing(t *testing.T) {
func TestRing2(t *testing.T) {
const maxsize = 6
const ntests = 800
const ntests = 80000
rng := rand.New(rand.NewSource(0))
data := make([]byte, maxsize)
ringbuf := make([]byte, maxsize)
auxbuf := make([]byte, maxsize)
rng.Read(data)
// TODO(soypat): This test fails for greater ntests.
// It was not fixed because of a compiler bug: https://github.com/golang/go/issues/64854
// and since the benefits of the changes in this PR are already much better than what we previously had.
for i := 0; i < ntests; i++ {
dsize := max(rng.Intn(len(data)), 1)
if !testRing1_loopback(t, rng, ringbuf, data[:dsize], auxbuf) {
@@ -180,7 +176,7 @@ func TestRing_findcrash(t *testing.T) {
const maxsize = 33
const ntests = 800000
r := Ring{
buf: make([]byte, maxsize*6),
Buf: make([]byte, maxsize*6),
}
rng := rand.New(rand.NewSource(0))
data := make([]byte, maxsize)
@@ -229,7 +225,7 @@ func testRing1_loopback(t *testing.T, rng *rand.Rand, ringbuf, data, auxbuf []by
}
dsize := len(data)
var r Ring
r.buf = ringbuf
r.Buf = ringbuf
nfirst := rng.Intn(dsize) / 2
nsecond := rng.Intn(dsize) / 2
@@ -283,21 +279,21 @@ func fragmentReadInto(r io.Reader, buf []byte) (n int, _ error) {
func setRingData(t *testing.T, r *Ring, offset int, data []byte) {
t.Helper()
if len(data) > len(r.buf) {
if len(data) > len(r.Buf) {
panic("data too large")
}
n := copy(r.buf[offset:], data)
r.end = offset + n
if len(data)+offset > len(r.buf) {
n := copy(r.Buf[offset:], data)
r.End = offset + n
if len(data)+offset > len(r.Buf) {
// End of buffer not enough to hold data, wrap around.
n = copy(r.buf, data[n:])
r.end = n
n = copy(r.Buf, data[n:])
r.End = n
}
r.off = offset
r.Off = offset
r.onReadEnd()
// println("buf:", len(r.buf), "end:", r.end, "off:", r.off, offset, "data:", len(data))
free := r.Free()
wantFree := len(r.buf) - len(data)
wantFree := len(r.Buf) - len(data)
if free != wantFree {
t.Fatalf("free got %d; want %d", free, wantFree)
}
@@ -306,12 +302,12 @@ func setRingData(t *testing.T, r *Ring, offset int, data []byte) {
if buffered != wantBuffered {
t.Fatalf("buffered got %d; want %d", buffered, wantBuffered)
}
end := r.end
off := r.off
end := r.End
off := r.Off
sdata := r.string()
if sdata != string(data) {
t.Fatalf("data got %q; want %q", sdata, data)
}
r.end = end
r.off = off
r.End = end
r.Off = off
}