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mscluster: reuse control buffers and cut per-property allocations (#2673)

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Co-authored-by: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
Signed-off-by: Jan-Otto Kröpke <mail@jkroepke.de>
This commit is contained in:
Jan-Otto Kröpke
2026-10-11 13:52:55 +02:00
committed by GitHub
co-authored by Claude Opus 5.5
parent a8adb6d7bc
commit 930609b0e5
11 changed files with 541 additions and 74 deletions
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internal/headers/clusapi/dump_test.go
+4 -4
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@@ -60,7 +60,7 @@ func TestDumpPropertyLists(t *testing.T) {
deadline := time.Now().Add(time.Minute)
for _, code := range []uint32{objectCluster<<24 | ctlGetROCommonProperties, objectCluster<<24 | ctlGetCommonProperties} {
data, err := controlBuffer(deadline, 0, func(buffer []byte) (uint32, error) {
data, err := controlBufferIn(deadline, newControlBuffer(0), func(buffer []byte) (uint32, error) {
var (
size uint32
pointer *byte
@@ -88,7 +88,7 @@ func TestDumpPropertyLists(t *testing.T) {
}
for _, code := range []uint32{resourceTypeGetROCommonProperties, resourceTypeGetCommonProperties, resourceTypeGetPrivateProperties} {
data, err := controlBuffer(deadline, 0, func(buffer []byte) (uint32, error) {
data, err := controlBufferIn(deadline, newControlBuffer(0), func(buffer []byte) (uint32, error) {
var (
size uint32
pointer *byte
@@ -133,11 +133,11 @@ func TestDumpPropertyLists(t *testing.T) {
}
for _, code := range []uint32{resourceGetROCommonProperties, resourceGetCommonProperties, resourceGetROPrivateProperties, resourceGetPrivateProperties} {
data, err := resourceBuffer(handle, code, 0, deadline)
data, err := resourceBufferIn(handle, code, nil, deadline)
logPropertyList(t, fmt.Sprintf("resource %q %#x", name.name, code), data, err)
}
data, err := resourceBuffer(handle, resourceGetType, 0, deadline)
data, err := resourceBufferIn(handle, resourceGetType, nil, deadline)
t.Logf("resource %q GET_RESOURCE_TYPE: %s err=%v", name.name, hex.EncodeToString(data), err)
closeResource.Call(handle) //nolint:errcheck