849 lines
33 KiB
Go
849 lines
33 KiB
Go
package mtprotoedge
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import (
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"context"
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"errors"
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"sync"
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"testing"
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"time"
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"github.com/iamxvbaba/td/bin"
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"github.com/iamxvbaba/td/tg"
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"github.com/iamxvbaba/td/tlprofile"
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)
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func rpcFlightTestAuthID(seed byte) [8]byte {
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return [8]byte{seed, seed + 1, seed + 2, seed + 3}
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}
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func rpcFlightExactIdentity(t *testing.T, profile tlprofile.Profile, request bin.Object) tlprofile.PreparedIdentity {
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t.Helper()
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var body bin.Buffer
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if err := tlprofile.EncodeObject(profile, request, &body); err != nil {
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t.Fatalf("encode exact request: %v", err)
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}
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admitted, err := tlprofile.NewDispatcher().Admit(profile, &body, tlprofile.Limits{})
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if err != nil {
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t.Fatalf("admit exact request: %v", err)
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}
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if body.Len() != 0 {
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t.Fatalf("exact admission left %d bytes", body.Len())
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}
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return admitted.Prepared().Identity()
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}
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func newRPCExecutionSubscriberTestLedger(global, auth, session, perFlight int) *rpcExecutionLedger {
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return newRPCExecutionLedger(time.Now, rpcExecutionLedgerCapacity{
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maxPending: 64,
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maxPendingPerAuth: 64,
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globalMaxEntries: rpcExecutionMaxEntries,
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authMaxEntries: rpcExecutionAuthMaxEntries,
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sessionMaxEntries: rpcExecutionSessionMaxEntries,
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subscriberMaxGlobal: global,
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subscriberMaxAuth: auth,
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subscriberMaxSession: session,
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subscriberMaxPerFlight: perFlight,
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replayStore: newRPCReplayStoreForTest(),
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})
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}
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func TestRPCResultFlightSubscriberPairCapacityFailureIsAtomic(t *testing.T) {
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cache := newRPCExecutionSubscriberTestLedger(8, 8, 8, 1)
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authKeyID := rpcFlightTestAuthID(70)
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claim, err := cache.Acquire(authKeyID, 70, 700)
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if err != nil || claim.owner == nil {
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t.Fatalf("Acquire owner: claim=%#v err=%v", claim, err)
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}
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var resultCalls, executionCalls int
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err = claim.owner.Waiter().SubscribeResultAndExecution(
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func(*encodedOutboundMessage, bool) { resultCalls++ },
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func(bool) { executionCalls++ },
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)
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if !errors.Is(err, ErrRPCResultSubscriberCapacity) {
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t.Fatalf("pair subscription err=%v, want %v", err, ErrRPCResultSubscriberCapacity)
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}
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s := cache.shard(rpcExecutionKey{authKeyID: authKeyID, sessionID: 70, reqMsgID: 700})
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s.mu.Lock()
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if got := claim.owner.flight.subscriberSlots; got != 0 {
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t.Fatalf("failed pair retained %d subscriber slots", got)
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}
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if got := len(claim.owner.flight.subscribers) + len(claim.owner.flight.executionSubscribers); got != 0 {
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t.Fatalf("failed pair retained %d callbacks", got)
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}
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s.mu.Unlock()
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claim.owner.CompleteExecution(true)
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cache.completeReplayableForTest(authKeyID, 70, 700, &encodedOutboundMessage{body: []byte{1}, reqMsgID: 700})
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if resultCalls != 0 || executionCalls != 0 {
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t.Fatalf("failed pair callbacks ran: result=%d execution=%d", resultCalls, executionCalls)
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}
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if got := cache.subscriberBudget.global.snapshot(); got != 0 {
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t.Fatalf("subscriber global usage=%d after failed pair", got)
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}
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}
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func TestRPCResultFlightSubscriberBudgetsIsolateSessionAndAuth(t *testing.T) {
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cache := newRPCExecutionSubscriberTestLedger(3, 2, 1, 4)
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authA := rpcFlightTestAuthID(71)
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authB := rpcFlightTestAuthID(72)
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type ownerKey struct {
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auth [8]byte
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session int64
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msgID int64
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owner *rpcResultOwnerLease
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}
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acquire := func(auth [8]byte, session, msgID int64) ownerKey {
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t.Helper()
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claim, err := cache.Acquire(auth, session, msgID)
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if err != nil || claim.owner == nil {
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t.Fatalf("Acquire(%d,%d): claim=%#v err=%v", session, msgID, claim, err)
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}
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return ownerKey{auth: auth, session: session, msgID: msgID, owner: claim.owner}
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}
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subscribe := func(owner ownerKey) error {
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return owner.owner.Waiter().Subscribe(func(*encodedOutboundMessage, bool) {})
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}
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a1 := acquire(authA, 1, 101)
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a2 := acquire(authA, 2, 102)
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a3 := acquire(authA, 3, 103)
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b1 := acquire(authB, 4, 104)
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b2 := acquire(authB, 5, 105)
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if err := subscribe(a1); err != nil {
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t.Fatalf("first session subscriber: %v", err)
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}
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if err := subscribe(a1); !errors.Is(err, ErrRPCResultSubscriberCapacity) {
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t.Fatalf("same session overflow err=%v", err)
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}
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if err := subscribe(a2); err != nil {
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t.Fatalf("second session subscriber: %v", err)
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}
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if err := subscribe(a3); !errors.Is(err, ErrRPCResultSubscriberCapacity) {
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t.Fatalf("same auth overflow err=%v", err)
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}
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if err := subscribe(b1); err != nil {
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t.Fatalf("other auth subscriber: %v", err)
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}
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if err := subscribe(b2); !errors.Is(err, ErrRPCResultSubscriberCapacity) {
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t.Fatalf("global overflow err=%v", err)
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}
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if got := cache.subscriberBudget.authSnapshot(authA); got != 2 {
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t.Fatalf("auth A usage=%d, want 2", got)
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}
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if got := cache.subscriberBudget.authSnapshot(authB); got != 1 {
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t.Fatalf("auth B usage=%d, want 1", got)
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}
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if got := cache.subscriberBudget.global.snapshot(); got != 3 {
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t.Fatalf("global usage=%d, want 3", got)
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}
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for _, owner := range []ownerKey{a1, a2, a3, b1, b2} {
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owner.owner.Abort()
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}
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if got := cache.subscriberBudget.global.snapshot(); got != 0 {
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t.Fatalf("global usage=%d after aborts", got)
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}
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if got := cache.subscriberBudget.authSnapshot(authA); got != 0 {
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t.Fatalf("auth A usage=%d after aborts", got)
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}
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}
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func TestRPCResultFlightSubscriberSlotsReleasePerTerminalHalf(t *testing.T) {
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cache := newRPCExecutionSubscriberTestLedger(4, 4, 4, 4)
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authKeyID := rpcFlightTestAuthID(73)
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claim, err := cache.Acquire(authKeyID, 73, 730)
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if err != nil || claim.owner == nil {
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t.Fatalf("Acquire owner: claim=%#v err=%v", claim, err)
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}
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result := make(chan bool, 1)
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execution := make(chan bool, 1)
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if err := claim.owner.Waiter().SubscribeResultAndExecution(
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func(_ *encodedOutboundMessage, ok bool) { result <- ok },
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func(ok bool) { execution <- ok },
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); err != nil {
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t.Fatalf("pair subscription: %v", err)
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}
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if got := cache.subscriberBudget.sessionSnapshot(authKeyID, 73); got != 2 {
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t.Fatalf("initial subscriber usage=%d, want 2", got)
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}
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if !claim.owner.CompleteExecution(true) {
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t.Fatal("CompleteExecution lost")
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}
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if ok := <-execution; !ok {
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t.Fatal("execution callback reported failure")
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}
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if got := cache.subscriberBudget.sessionSnapshot(authKeyID, 73); got != 1 {
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t.Fatalf("post-execution subscriber usage=%d, want 1", got)
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}
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cache.completeReplayableForTest(authKeyID, 73, 730, &encodedOutboundMessage{body: []byte{1}, reqMsgID: 730})
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if ok := <-result; !ok {
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t.Fatal("result callback reported failure")
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}
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if got := cache.subscriberBudget.sessionSnapshot(authKeyID, 73); got != 0 {
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t.Fatalf("post-result subscriber usage=%d, want 0", got)
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}
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}
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func TestRPCResultFlightRepeatedReplayJoinsStayBoundedAndPutCleansExecution(t *testing.T) {
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cache := newRPCExecutionSubscriberTestLedger(2, 2, 2, 2)
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authKeyID := rpcFlightTestAuthID(74)
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claim, err := cache.Acquire(authKeyID, 74, 740)
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if err != nil || claim.owner == nil {
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t.Fatalf("Acquire owner: claim=%#v err=%v", claim, err)
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}
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var resultCalls, executionCalls int
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if err := claim.owner.Waiter().SubscribeResultAndExecution(
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func(*encodedOutboundMessage, bool) { resultCalls++ },
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func(success bool) {
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if success {
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t.Error("Put without execution proof reported dependency success")
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}
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executionCalls++
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},
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); err != nil {
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t.Fatalf("first pair: %v", err)
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}
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for i := 0; i < 100; i++ {
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err := claim.owner.Waiter().SubscribeResultAndExecution(
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func(*encodedOutboundMessage, bool) { resultCalls++ },
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func(bool) { executionCalls++ },
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)
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if !errors.Is(err, ErrRPCResultSubscriberCapacity) {
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t.Fatalf("join %d err=%v, want capacity", i, err)
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}
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}
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cache.completeReplayableForTest(authKeyID, 74, 740, &encodedOutboundMessage{body: []byte{1}, reqMsgID: 740})
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if resultCalls != 1 || executionCalls != 1 {
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t.Fatalf("terminal callback counts result=%d execution=%d", resultCalls, executionCalls)
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}
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if got := cache.subscriberBudget.global.snapshot(); got != 0 {
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t.Fatalf("global usage=%d after Put", got)
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}
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}
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func TestRPCResultFlightExactIdentityGuardsPendingAndCompletedReuse(t *testing.T) {
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cache := newRPCExecutionLedgerForTest(time.Now, 2)
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authKeyID := rpcFlightTestAuthID(90)
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firstIdentity := rpcFlightExactIdentity(t, tlprofile.Profile225, &tg.HelpGetConfigRequest{})
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otherIdentity := rpcFlightExactIdentity(t, tlprofile.Profile225, &tg.HelpGetNearestDCRequest{})
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owner, err := cache.AcquireIdentified(authKeyID, 90, 900, firstIdentity)
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if err != nil || owner.state != rpcResultAcquireOwner || owner.owner == nil {
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t.Fatalf("exact owner Acquire = state:%d err:%v", owner.state, err)
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}
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if _, err := cache.AcquireIdentified(authKeyID, 90, 900, otherIdentity); !errors.Is(err, ErrRPCResultIdentityMismatch) {
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t.Fatalf("pending mismatched Acquire err = %v, want %v", err, ErrRPCResultIdentityMismatch)
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}
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same, err := cache.AcquireIdentified(authKeyID, 90, 900, firstIdentity)
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if err != nil || same.state != rpcResultAcquirePending || same.waiter == nil {
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t.Fatalf("pending matched Acquire = state:%d err:%v", same.state, err)
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}
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want := &encodedOutboundMessage{body: []byte{1, 2, 3, 4}, reqMsgID: 900}
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cache.completeReplayableForTest(authKeyID, 90, 900, want)
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if _, err := cache.AcquireIdentified(authKeyID, 90, 900, otherIdentity); !errors.Is(err, ErrRPCResultIdentityMismatch) {
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t.Fatalf("completed mismatched Acquire err = %v, want %v", err, ErrRPCResultIdentityMismatch)
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}
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completed, err := cache.AcquireIdentified(authKeyID, 90, 900, firstIdentity)
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if err != nil || completed.state != rpcResultAcquireCompleted || completed.encoded != want {
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t.Fatalf("completed matched Acquire = state:%d encoded:%p err:%v", completed.state, completed.encoded, err)
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}
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if encoded, ok, waitErr := same.waiter.Wait(context.Background()); waitErr != nil || !ok || encoded != want {
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t.Fatalf("matched waiter = encoded:%p ok:%v err:%v", encoded, ok, waitErr)
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}
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}
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func TestRPCResultFlightAdmissionSequenceAllocatedOnceAndReplayed(t *testing.T) {
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cache := newRPCExecutionLedgerForTest(time.Now, 4)
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authKeyID := rpcFlightTestAuthID(89)
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identity := rpcFlightExactIdentity(t, tlprofile.Profile225, &tg.HelpGetConfigRequest{})
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owner, err := cache.AcquireLayerIdentified(authKeyID, 89, 890, tlprofile.Profile225, identity)
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if err != nil || owner.state != rpcResultAcquireOwner || owner.owner == nil || owner.admissionSeq == 0 {
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t.Fatalf("owner = state:%d seq:%d err:%v", owner.state, owner.admissionSeq, err)
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}
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pending, err := cache.AcquireLayerIdentified(authKeyID, 89, 890, tlprofile.Profile225, identity)
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if err != nil || pending.state != rpcResultAcquirePending || pending.admissionSeq != owner.admissionSeq {
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t.Fatalf("pending = state:%d seq:%d err:%v, want seq:%d", pending.state, pending.admissionSeq, err, owner.admissionSeq)
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}
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owner.owner.CompleteExecution(true)
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encoded := &encodedOutboundMessage{body: []byte{1}, reqMsgID: 890}
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cache.completeReplayableForTest(authKeyID, 89, 890, encoded)
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completed, err := cache.AcquireLayerIdentified(authKeyID, 89, 890, tlprofile.Profile225, identity)
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if err != nil || completed.state != rpcResultAcquireCompleted || completed.admissionSeq != owner.admissionSeq {
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t.Fatalf("completed = state:%d seq:%d err:%v, want seq:%d", completed.state, completed.admissionSeq, err, owner.admissionSeq)
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}
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second, err := cache.AcquireLayerIdentified(authKeyID, 89, 894, tlprofile.Profile225, identity)
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if err != nil || second.admissionSeq <= owner.admissionSeq {
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t.Fatalf("second owner seq=%d err=%v, want > %d", second.admissionSeq, err, owner.admissionSeq)
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}
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second.owner.Abort()
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legacy, err := cache.Acquire(authKeyID, 89, 898)
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if err != nil || legacy.admissionSeq != 0 {
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t.Fatalf("legacy admission seq=%d err=%v, want 0", legacy.admissionSeq, err)
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}
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legacy.owner.Abort()
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}
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func TestRPCAdmissionSafeFloorTracksOwnersUntilPutOrAbort(t *testing.T) {
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cache := newRPCExecutionLedgerForTest(time.Now, 4)
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authKeyID := rpcFlightTestAuthID(86)
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identity := rpcFlightExactIdentity(t, tlprofile.Profile225, &tg.HelpGetConfigRequest{})
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first, err := cache.AcquireLayerIdentified(authKeyID, 86, 860, tlprofile.Profile225, identity)
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if err != nil || first.owner == nil {
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t.Fatalf("first owner err=%v", err)
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}
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second, err := cache.AcquireLayerIdentified(authKeyID, 86, 864, tlprofile.Profile225, identity)
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if err != nil || second.owner == nil {
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t.Fatalf("second owner err=%v", err)
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}
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if floor := cache.stableAdmissionSafeFloor(); floor != first.admissionSeq {
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t.Fatalf("two-owner safe floor=%d, want %d", floor, first.admissionSeq)
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}
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if !first.owner.Abort() {
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t.Fatal("first owner abort failed")
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}
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if floor := cache.stableAdmissionSafeFloor(); floor != second.admissionSeq {
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t.Fatalf("post-abort safe floor=%d, want %d", floor, second.admissionSeq)
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}
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second.owner.CompleteExecution(true)
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cache.completeReplayableForTest(authKeyID, 86, 864, &encodedOutboundMessage{body: []byte{1}, reqMsgID: 864})
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if floor := cache.stableAdmissionSafeFloor(); floor != second.admissionSeq+1 {
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t.Fatalf("terminal safe floor=%d, want %d", floor, second.admissionSeq+1)
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}
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}
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|
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func TestRPCAdmissionSequenceExhaustionCannotWrap(t *testing.T) {
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cache := newRPCExecutionLedgerForTest(time.Now, 2)
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cache.nextAdmissionSeq.Store(^uint64(0) - 1)
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authKeyID := rpcFlightTestAuthID(85)
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identity := rpcFlightExactIdentity(t, tlprofile.Profile225, &tg.HelpGetConfigRequest{})
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last, err := cache.AcquireLayerIdentified(authKeyID, 85, 850, tlprofile.Profile225, identity)
|
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if err != nil || last.admissionSeq != ^uint64(0) || last.owner == nil {
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t.Fatalf("last sequence=%d owner:%v err=%v", last.admissionSeq, last.owner != nil, err)
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}
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if _, err := cache.AcquireLayerIdentified(authKeyID, 85, 854, tlprofile.Profile225, identity); !errors.Is(err, ErrRPCAdmissionSeqExhausted) {
|
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t.Fatalf("post-max allocation err=%v, want %v", err, ErrRPCAdmissionSeqExhausted)
|
|
}
|
|
if got := cache.nextAdmissionSeq.Load(); got != ^uint64(0) {
|
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t.Fatalf("exhausted sequence wrapped to %d", got)
|
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}
|
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last.owner.Abort()
|
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}
|
|
|
|
func TestRPCIdentityMismatchCarriesWinnerProfileAcrossAbort(t *testing.T) {
|
|
cache := newRPCExecutionLedgerForTest(time.Now, 2)
|
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authKeyID := rpcFlightTestAuthID(88)
|
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request := &tg.MessagesGetHistoryRequest{Peer: &tg.InputPeerSelf{}, Limit: 1}
|
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winnerIdentity := rpcFlightExactIdentity(t, tlprofile.Profile225, request)
|
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loserIdentity := rpcFlightExactIdentity(t, tlprofile.Profile227, request)
|
|
winner, err := cache.AcquireLayerIdentified(authKeyID, 88, 880, tlprofile.Profile225, winnerIdentity)
|
|
if err != nil || winner.owner == nil {
|
|
t.Fatalf("winner owner err=%v", err)
|
|
}
|
|
_, err = cache.AcquireLayerIdentified(authKeyID, 88, 880, tlprofile.Profile227, loserIdentity)
|
|
var mismatch *rpcResultIdentityMismatchError
|
|
if !errors.As(err, &mismatch) || !mismatch.hasProfile || mismatch.profile != tlprofile.Profile225 {
|
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t.Fatalf("mismatch = %#v err=%v", mismatch, err)
|
|
}
|
|
if !winner.owner.Abort() {
|
|
t.Fatal("winner abort failed")
|
|
}
|
|
replacement, err := cache.AcquireLayerIdentified(authKeyID, 88, 880, mismatch.profile, winnerIdentity)
|
|
if err != nil || replacement.state != rpcResultAcquireOwner || replacement.owner == nil {
|
|
t.Fatalf("replacement under retained winner profile = state:%d err:%v", replacement.state, err)
|
|
}
|
|
replacement.owner.Abort()
|
|
}
|
|
|
|
func TestRPCAdmissionProfileHintSurvivesCompletedEvictionWindow(t *testing.T) {
|
|
now := time.Unix(1_900_000_000, 0)
|
|
cache := newRPCExecutionLedgerForTest(func() time.Time { return now }, 2)
|
|
authKeyID := rpcFlightTestAuthID(87)
|
|
identity := rpcFlightExactIdentity(t, tlprofile.Profile225, &tg.MessagesGetHistoryRequest{
|
|
Peer: &tg.InputPeerSelf{}, Limit: 1,
|
|
})
|
|
claim, err := cache.AcquireLayerIdentified(authKeyID, 87, 870, tlprofile.Profile225, identity)
|
|
if err != nil || claim.owner == nil {
|
|
t.Fatalf("owner err=%v", err)
|
|
}
|
|
claim.owner.CompleteExecution(true)
|
|
cache.completeReplayableForTest(authKeyID, 87, 870, &encodedOutboundMessage{body: []byte{1}, reqMsgID: 870})
|
|
profile, ok := cache.ExactAdmissionProfile(authKeyID, 87, 870)
|
|
if !ok || profile != tlprofile.Profile225 {
|
|
t.Fatalf("profile hint = (%d,%v)", profile, ok)
|
|
}
|
|
// Admission already copied the hint into its local decoder cursor. Expiry
|
|
// between that probe and the atomic claim must not make it fall back to the
|
|
// connection's newer default; it simply becomes a fresh owner under 225.
|
|
now = now.Add(rpcExecutionReceiptTTL + time.Second)
|
|
replacement, err := cache.AcquireLayerIdentified(authKeyID, 87, 870, profile, identity)
|
|
if err != nil || replacement.state != rpcResultAcquireOwner || replacement.owner == nil {
|
|
t.Fatalf("post-eviction owner = state:%d err:%v", replacement.state, err)
|
|
}
|
|
replacement.owner.Abort()
|
|
}
|
|
|
|
func TestRPCInvariantIdentityDoesNotExposeCanonicalProfileHint(t *testing.T) {
|
|
cache := newRPCExecutionLedgerForTest(time.Now, 2)
|
|
authKeyID := rpcFlightTestAuthID(84)
|
|
identity := rpcFlightExactIdentity(t, tlprofile.Profile227, &tg.AuthBindTempAuthKeyRequest{
|
|
PermAuthKeyID: 1, Nonce: 2, ExpiresAt: 3, EncryptedMessage: []byte("bind"),
|
|
})
|
|
claim, err := cache.AcquireLayerIdentified(authKeyID, 84, 840, 0, identity)
|
|
if err != nil || claim.owner == nil {
|
|
t.Fatalf("invariant owner err=%v", err)
|
|
}
|
|
if profile, ok := cache.ExactAdmissionProfile(authKeyID, 84, 840); ok || profile != 0 {
|
|
t.Fatalf("pending invariant profile hint=(%d,%v), want absent", profile, ok)
|
|
}
|
|
claim.owner.CompleteExecution(true)
|
|
cache.completeReplayableForTest(authKeyID, 84, 840, &encodedOutboundMessage{body: []byte{1}, reqMsgID: 840})
|
|
if profile, ok := cache.ExactAdmissionProfile(authKeyID, 84, 840); ok || profile != 0 {
|
|
t.Fatalf("completed invariant profile hint=(%d,%v), want absent", profile, ok)
|
|
}
|
|
}
|
|
|
|
func TestRPCResultExecutionCompletionIsExactlyOnceAndDurable(t *testing.T) {
|
|
cache := newRPCExecutionLedgerForTest(time.Now, 2)
|
|
authKeyID := rpcFlightTestAuthID(91)
|
|
claim, err := cache.Acquire(authKeyID, 91, 910)
|
|
if err != nil || claim.state != rpcResultAcquireOwner || claim.owner == nil {
|
|
t.Fatalf("owner Acquire = state:%d err:%v", claim.state, err)
|
|
}
|
|
waiter := claim.owner.Waiter()
|
|
results := make(chan bool, 2)
|
|
if err := waiter.SubscribeExecution(func(success bool) { results <- success }); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if !claim.owner.CompleteExecution(true) {
|
|
t.Fatal("first execution completion lost")
|
|
}
|
|
if claim.owner.CompleteExecution(false) {
|
|
t.Fatal("contradictory second execution completion won")
|
|
}
|
|
select {
|
|
case success := <-results:
|
|
if !success {
|
|
t.Fatal("execution callback reported failure")
|
|
}
|
|
case <-time.After(time.Second):
|
|
t.Fatal("execution callback did not run")
|
|
}
|
|
select {
|
|
case success := <-results:
|
|
t.Fatalf("execution callback ran twice: %v", success)
|
|
default:
|
|
}
|
|
|
|
want := &encodedOutboundMessage{body: []byte{9, 1, 0, 0}, reqMsgID: 910}
|
|
cache.completeReplayableForTest(authKeyID, 91, 910, want)
|
|
dependency, ok := cache.ObserveDependency(authKeyID, 91, 910)
|
|
if !ok || !dependency.completed || !dependency.success || dependency.waiter != nil {
|
|
t.Fatalf("completed dependency = %#v ok:%v", dependency, ok)
|
|
}
|
|
late := make(chan bool, 1)
|
|
if err := waiter.SubscribeExecution(func(success bool) { late <- success }); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if success := <-late; !success {
|
|
t.Fatal("late execution subscriber lost durable success")
|
|
}
|
|
}
|
|
|
|
func TestRPCResultExecutionAbortPublishesFailure(t *testing.T) {
|
|
cache := newRPCExecutionLedgerForTest(time.Now, 1)
|
|
authKeyID := rpcFlightTestAuthID(92)
|
|
claim, err := cache.Acquire(authKeyID, 92, 920)
|
|
if err != nil || claim.owner == nil {
|
|
t.Fatalf("owner Acquire err = %v", err)
|
|
}
|
|
result := make(chan bool, 1)
|
|
if err := claim.owner.Waiter().SubscribeExecution(func(success bool) { result <- success }); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if !claim.owner.Abort() {
|
|
t.Fatal("Abort lost")
|
|
}
|
|
if success := <-result; success {
|
|
t.Fatal("aborted execution reported success")
|
|
}
|
|
if _, ok := cache.ObserveDependency(authKeyID, 92, 920); ok {
|
|
t.Fatal("aborted flight remained observable as a completed dependency")
|
|
}
|
|
}
|
|
|
|
func TestRPCResultFlightConcurrentAcquireHasUniqueOwner(t *testing.T) {
|
|
const callers = 64
|
|
cache := newRPCExecutionLedgerForTest(time.Now, callers)
|
|
authKeyID := rpcFlightTestAuthID(1)
|
|
start := make(chan struct{})
|
|
results := make(chan rpcResultAcquire, callers)
|
|
errs := make(chan error, callers)
|
|
|
|
var wg sync.WaitGroup
|
|
wg.Add(callers)
|
|
for i := 0; i < callers; i++ {
|
|
go func() {
|
|
defer wg.Done()
|
|
<-start
|
|
claim, err := cache.Acquire(authKeyID, 10, 100)
|
|
if err != nil {
|
|
errs <- err
|
|
return
|
|
}
|
|
results <- claim
|
|
}()
|
|
}
|
|
close(start)
|
|
wg.Wait()
|
|
close(results)
|
|
close(errs)
|
|
|
|
for err := range errs {
|
|
t.Fatalf("Acquire: %v", err)
|
|
}
|
|
owners := 0
|
|
waiters := 0
|
|
var owner *rpcResultOwnerLease
|
|
for claim := range results {
|
|
switch claim.state {
|
|
case rpcResultAcquireOwner:
|
|
owners++
|
|
owner = claim.owner
|
|
case rpcResultAcquirePending:
|
|
waiters++
|
|
if claim.waiter == nil {
|
|
t.Fatal("pending claim has nil waiter")
|
|
}
|
|
default:
|
|
t.Fatalf("unexpected claim state %d", claim.state)
|
|
}
|
|
}
|
|
if owners != 1 || waiters != callers-1 {
|
|
t.Fatalf("claims = owners:%d waiters:%d, want 1/%d", owners, waiters, callers-1)
|
|
}
|
|
if got := cache.flightLimit.snapshot(); got != 1 {
|
|
t.Fatalf("pending count = %d, want 1", got)
|
|
}
|
|
if owner == nil || !owner.Abort() {
|
|
t.Fatal("unique owner did not abort its claim")
|
|
}
|
|
if got := cache.flightLimit.snapshot(); got != 0 {
|
|
t.Fatalf("pending count after abort = %d, want 0", got)
|
|
}
|
|
}
|
|
|
|
func TestRPCResultFlightPutPublishesAndWakesAllWaiters(t *testing.T) {
|
|
const waiters = 24
|
|
cache := newRPCExecutionLedgerForTest(time.Now, 32)
|
|
authKeyID := rpcFlightTestAuthID(10)
|
|
owner, err := cache.Acquire(authKeyID, 20, 200)
|
|
if err != nil || owner.state != rpcResultAcquireOwner || owner.owner == nil {
|
|
t.Fatalf("owner Acquire = state:%d err:%v", owner.state, err)
|
|
}
|
|
|
|
waiterClaims := make([]*rpcResultWaiter, 0, waiters)
|
|
for i := 0; i < waiters; i++ {
|
|
claim, acquireErr := cache.Acquire(authKeyID, 20, 200)
|
|
if acquireErr != nil || claim.state != rpcResultAcquirePending || claim.waiter == nil {
|
|
t.Fatalf("waiter %d Acquire = state:%d err:%v", i, claim.state, acquireErr)
|
|
}
|
|
waiterClaims = append(waiterClaims, claim.waiter)
|
|
}
|
|
|
|
type waiterResult struct {
|
|
encoded *encodedOutboundMessage
|
|
cached *encodedOutboundMessage
|
|
ok bool
|
|
err error
|
|
}
|
|
ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
|
|
defer cancel()
|
|
results := make(chan waiterResult, waiters)
|
|
for _, waiter := range waiterClaims {
|
|
go func(w *rpcResultWaiter) {
|
|
encoded, ok, waitErr := w.Wait(ctx)
|
|
cached, _ := cache.Replay(authKeyID, 20, 200)
|
|
results <- waiterResult{encoded: encoded, cached: cached, ok: ok, err: waitErr}
|
|
}(waiter)
|
|
}
|
|
|
|
want := &encodedOutboundMessage{body: []byte{1, 2, 3, 4}, typeID: 42, reqMsgID: 200}
|
|
cache.completeReplayableForTest(authKeyID, 20, 200, want)
|
|
for i := 0; i < waiters; i++ {
|
|
got := <-results
|
|
if got.err != nil || !got.ok {
|
|
t.Fatalf("waiter %d result = ok:%v err:%v", i, got.ok, got.err)
|
|
}
|
|
if got.encoded != want || got.cached != want {
|
|
t.Fatalf("waiter %d observed direct/cache pointers %p/%p, want %p", i, got.encoded, got.cached, want)
|
|
}
|
|
}
|
|
if got := cache.flightLimit.snapshot(); got != 0 {
|
|
t.Fatalf("pending count after Put = %d, want 0", got)
|
|
}
|
|
completed, err := cache.Acquire(authKeyID, 20, 200)
|
|
if err != nil || completed.state != rpcResultAcquireCompleted || completed.encoded != want {
|
|
t.Fatalf("completed Acquire = state:%d encoded:%p err:%v", completed.state, completed.encoded, err)
|
|
}
|
|
if owner.owner.Abort() {
|
|
t.Fatal("completed owner's stale lease aborted a resolved claim")
|
|
}
|
|
}
|
|
|
|
func TestRPCResultFlightAbortWakesAndAllowsReclaim(t *testing.T) {
|
|
cache := newRPCExecutionLedgerForTest(time.Now, 2)
|
|
authKeyID := rpcFlightTestAuthID(20)
|
|
first, err := cache.Acquire(authKeyID, 30, 300)
|
|
if err != nil || first.state != rpcResultAcquireOwner {
|
|
t.Fatalf("first Acquire = state:%d err:%v", first.state, err)
|
|
}
|
|
waiting, err := cache.Acquire(authKeyID, 30, 300)
|
|
if err != nil || waiting.state != rpcResultAcquirePending {
|
|
t.Fatalf("waiting Acquire = state:%d err:%v", waiting.state, err)
|
|
}
|
|
if !first.owner.Abort() {
|
|
t.Fatal("first Abort lost")
|
|
}
|
|
if encoded, ok, waitErr := waiting.waiter.Wait(context.Background()); waitErr != nil || ok || encoded != nil {
|
|
t.Fatalf("aborted Wait = encoded:%p ok:%v err:%v", encoded, ok, waitErr)
|
|
}
|
|
if got := cache.flightLimit.snapshot(); got != 0 {
|
|
t.Fatalf("pending count after Abort = %d, want 0", got)
|
|
}
|
|
|
|
second, err := cache.Acquire(authKeyID, 30, 300)
|
|
if err != nil || second.state != rpcResultAcquireOwner || second.owner == nil {
|
|
t.Fatalf("reclaim = state:%d err:%v", second.state, err)
|
|
}
|
|
if first.owner.Abort() {
|
|
t.Fatal("stale first lease aborted the replacement owner")
|
|
}
|
|
if got := cache.flightLimit.snapshot(); got != 1 {
|
|
t.Fatalf("pending count after reclaim = %d, want 1", got)
|
|
}
|
|
if !second.owner.Abort() || cache.flightLimit.snapshot() != 0 {
|
|
t.Fatal("replacement owner did not release its claim")
|
|
}
|
|
}
|
|
|
|
func TestRPCResultFlightReceiptLifecycleDoesNotEvictPending(t *testing.T) {
|
|
now := time.Unix(1_000, 0)
|
|
cache := newRPCExecutionLedgerForTest(func() time.Time { return now }, 4)
|
|
authKeyID := rpcFlightTestAuthID(30)
|
|
pending, err := cache.Acquire(authKeyID, 40, 400)
|
|
if err != nil || pending.state != rpcResultAcquireOwner {
|
|
t.Fatalf("pending Acquire = state:%d err:%v", pending.state, err)
|
|
}
|
|
|
|
for i := int64(0); i < 16; i++ {
|
|
cache.completeReplayableForTest(authKeyID, 40, 500+i, &encodedOutboundMessage{body: []byte{byte(i)}})
|
|
}
|
|
if got := cache.flightLimit.snapshot(); got != 1 {
|
|
t.Fatalf("completed trim changed pending count to %d", got)
|
|
}
|
|
joined, err := cache.Acquire(authKeyID, 40, 400)
|
|
if err != nil || joined.state != rpcResultAcquirePending {
|
|
t.Fatalf("Acquire after completed trim = state:%d err:%v", joined.state, err)
|
|
}
|
|
|
|
// Expire independent completed receipts and prove the pending owner remains.
|
|
now = now.Add(rpcExecutionReceiptTTL + time.Second)
|
|
_, _ = cache.Replay(authKeyID, 40, 515)
|
|
joinedAfterTTL, err := cache.Acquire(authKeyID, 40, 400)
|
|
if err != nil || joinedAfterTTL.state != rpcResultAcquirePending {
|
|
t.Fatalf("Acquire after completed TTL = state:%d err:%v", joinedAfterTTL.state, err)
|
|
}
|
|
if !pending.owner.Abort() || cache.flightLimit.snapshot() != 0 {
|
|
t.Fatal("pending claim did not survive pressure through explicit Abort")
|
|
}
|
|
}
|
|
|
|
func TestRPCResultFlightCapacityAndCountReturn(t *testing.T) {
|
|
cache := newRPCExecutionLedgerForTest(time.Now, 2)
|
|
authKeyID := rpcFlightTestAuthID(40)
|
|
first, err := cache.Acquire(authKeyID, 50, 501)
|
|
if err != nil || first.state != rpcResultAcquireOwner {
|
|
t.Fatalf("first Acquire = state:%d err:%v", first.state, err)
|
|
}
|
|
second, err := cache.Acquire(authKeyID, 50, 502)
|
|
if err != nil || second.state != rpcResultAcquireOwner {
|
|
t.Fatalf("second Acquire = state:%d err:%v", second.state, err)
|
|
}
|
|
joined, err := cache.Acquire(authKeyID, 50, 501)
|
|
if err != nil || joined.state != rpcResultAcquirePending {
|
|
t.Fatalf("join at capacity = state:%d err:%v", joined.state, err)
|
|
}
|
|
if _, err := cache.Acquire(authKeyID, 50, 503); !errors.Is(err, ErrRPCResultFlightCapacity) {
|
|
t.Fatalf("over-capacity Acquire err = %v, want %v", err, ErrRPCResultFlightCapacity)
|
|
}
|
|
if got := cache.flightLimit.snapshot(); got != 2 {
|
|
t.Fatalf("pending count at capacity = %d, want 2", got)
|
|
}
|
|
|
|
want := &encodedOutboundMessage{body: []byte{9}, reqMsgID: 501}
|
|
cache.completeReplayableForTest(authKeyID, 50, 501, want)
|
|
if got := cache.flightLimit.snapshot(); got != 1 {
|
|
t.Fatalf("pending count after Put = %d, want 1", got)
|
|
}
|
|
third, err := cache.Acquire(authKeyID, 50, 503)
|
|
if err != nil || third.state != rpcResultAcquireOwner {
|
|
t.Fatalf("Acquire after returned slot = state:%d err:%v", third.state, err)
|
|
}
|
|
completed, err := cache.Acquire(authKeyID, 50, 501)
|
|
if err != nil || completed.state != rpcResultAcquireCompleted || completed.encoded != want {
|
|
t.Fatalf("completed Acquire at capacity = state:%d err:%v", completed.state, err)
|
|
}
|
|
if encoded, ok, waitErr := joined.waiter.Wait(context.Background()); waitErr != nil || !ok || encoded != want {
|
|
t.Fatalf("joined Wait = encoded:%p ok:%v err:%v", encoded, ok, waitErr)
|
|
}
|
|
if !second.owner.Abort() || !third.owner.Abort() {
|
|
t.Fatal("owners failed to return remaining capacity")
|
|
}
|
|
if got := cache.flightLimit.snapshot(); got != 0 {
|
|
t.Fatalf("final pending count = %d, want 0", got)
|
|
}
|
|
}
|
|
|
|
func TestRPCResultFlightLargeCompletionDoesNotChargeLedgerBodyBytes(t *testing.T) {
|
|
cache := newRPCExecutionLedgerForTest(time.Now, 1)
|
|
authKeyID := rpcFlightTestAuthID(50)
|
|
owner, err := cache.Acquire(authKeyID, 60, 600)
|
|
if err != nil || owner.state != rpcResultAcquireOwner {
|
|
t.Fatalf("owner Acquire = state:%d err:%v", owner.state, err)
|
|
}
|
|
joined, err := cache.Acquire(authKeyID, 60, 600)
|
|
if err != nil || joined.state != rpcResultAcquirePending {
|
|
t.Fatalf("joined Acquire = state:%d err:%v", joined.state, err)
|
|
}
|
|
|
|
// Large file results remain owned by the replay store. The ledger retains
|
|
// only one fixed-shape receipt regardless of payload size.
|
|
largeSize := 8 << 20
|
|
want := &encodedOutboundMessage{body: make([]byte, largeSize), reqMsgID: 600}
|
|
cache.completeReplayableForTest(authKeyID, 60, 600, want)
|
|
if encoded, ok, waitErr := joined.waiter.Wait(context.Background()); waitErr != nil || !ok || encoded != want {
|
|
t.Fatalf("large Wait = encoded:%p ok:%v err:%v", encoded, ok, waitErr)
|
|
}
|
|
if got, ok := cache.Replay(authKeyID, 60, 600); !ok || got != want {
|
|
t.Fatalf("large completed Replay = encoded:%p ok:%v", got, ok)
|
|
}
|
|
if got := cache.flightLimit.snapshot(); got != 0 {
|
|
t.Fatalf("large Put leaked pending count %d", got)
|
|
}
|
|
if owner.owner.Abort() {
|
|
t.Fatal("large completion left its old owner abortable")
|
|
}
|
|
completed, err := cache.Acquire(authKeyID, 60, 600)
|
|
if err != nil || completed.state != rpcResultAcquireCompleted || completed.encoded != want {
|
|
t.Fatalf("Acquire after large completion = state:%d encoded:%p err:%v", completed.state, completed.encoded, err)
|
|
}
|
|
if completed.owner != nil {
|
|
t.Fatal("large completed result incorrectly returned a new owner")
|
|
}
|
|
if got := cache.receiptBudgetBytes(); got != rpcExecutionReceiptBudgetBytes {
|
|
t.Fatalf("receipt budget bytes = %d, want %d", got, rpcExecutionReceiptBudgetBytes)
|
|
}
|
|
}
|
|
|
|
func TestRPCResultFlightWaitContextDoesNotReleaseOwner(t *testing.T) {
|
|
cache := newRPCExecutionLedgerForTest(time.Now, 1)
|
|
authKeyID := rpcFlightTestAuthID(60)
|
|
owner, err := cache.Acquire(authKeyID, 70, 700)
|
|
if err != nil {
|
|
t.Fatalf("owner Acquire: %v", err)
|
|
}
|
|
joined, err := cache.Acquire(authKeyID, 70, 700)
|
|
if err != nil {
|
|
t.Fatalf("joined Acquire: %v", err)
|
|
}
|
|
ctx, cancel := context.WithCancel(context.Background())
|
|
cancel()
|
|
if encoded, ok, waitErr := joined.waiter.Wait(ctx); !errors.Is(waitErr, context.Canceled) || ok || encoded != nil {
|
|
t.Fatalf("canceled Wait = encoded:%p ok:%v err:%v", encoded, ok, waitErr)
|
|
}
|
|
if got := cache.flightLimit.snapshot(); got != 1 {
|
|
t.Fatalf("waiter cancellation released owner count to %d", got)
|
|
}
|
|
if !owner.owner.Abort() || cache.flightLimit.snapshot() != 0 {
|
|
t.Fatal("owner did not retain and release claim after waiter cancellation")
|
|
}
|
|
}
|
|
|
|
func TestRPCResultFlightConcurrentCapacityReturnsAllSlots(t *testing.T) {
|
|
const (
|
|
limit = 32
|
|
callers = 512
|
|
)
|
|
cache := newRPCExecutionLedgerForTest(time.Now, limit)
|
|
authKeyID := rpcFlightTestAuthID(70)
|
|
start := make(chan struct{})
|
|
errs := make(chan error, callers)
|
|
var wg sync.WaitGroup
|
|
wg.Add(callers)
|
|
for i := 0; i < callers; i++ {
|
|
i := i
|
|
go func() {
|
|
defer wg.Done()
|
|
<-start
|
|
claim, err := cache.Acquire(authKeyID, 80+int64(i%4), 1_000+int64(i))
|
|
if errors.Is(err, ErrRPCResultFlightCapacity) {
|
|
return
|
|
}
|
|
if err != nil {
|
|
errs <- err
|
|
return
|
|
}
|
|
if claim.state != rpcResultAcquireOwner || claim.owner == nil {
|
|
errs <- errors.New("unique-key claim did not become owner")
|
|
return
|
|
}
|
|
if i%2 == 0 {
|
|
cache.completeReplayableForTest(authKeyID, 80+int64(i%4), 1_000+int64(i), &encodedOutboundMessage{body: []byte{1}})
|
|
} else if !claim.owner.Abort() {
|
|
errs <- errors.New("owner Abort lost")
|
|
}
|
|
}()
|
|
}
|
|
close(start)
|
|
wg.Wait()
|
|
close(errs)
|
|
for err := range errs {
|
|
t.Errorf("concurrent claim: %v", err)
|
|
}
|
|
if got := cache.flightLimit.snapshot(); got != 0 {
|
|
t.Fatalf("concurrent completion leaked %d pending slots", got)
|
|
}
|
|
}
|
|
|
|
func TestQueuedRPCConnectionCloseAbortsOwnerClaim(t *testing.T) {
|
|
s := New(Options{})
|
|
c := newInboundTestConn(s.rpcScheduler, 1, 4, time.Second)
|
|
claim, err := s.rpcResults.Acquire([8]byte{9}, 90, 900)
|
|
if err != nil || claim.state != rpcResultAcquireOwner || claim.owner == nil {
|
|
t.Fatalf("Acquire owner = state:%d err:%v", claim.state, err)
|
|
}
|
|
reservation, err := c.reserveInboundRPC(context.Background(), "test.queuedFlight", 4)
|
|
if err != nil {
|
|
t.Fatalf("reserve queued legacyRPC: %v", err)
|
|
}
|
|
task := s.newInboundRPCTask(c, 900, "test.queuedFlight", []byte{1, 2, 3, 4}, claim.owner)
|
|
if err := reservation.commit(task); err != nil {
|
|
t.Fatalf("commit queued legacyRPC: %v", err)
|
|
}
|
|
|
|
// The scheduler is intentionally not started, so close must drain the queued
|
|
// task and invoke its independent flight-release callback.
|
|
c.closeInboundRPCScheduler()
|
|
if got := s.rpcResults.flightLimit.snapshot(); got != 0 {
|
|
t.Fatalf("connection close leaked %d queued owner claims", got)
|
|
}
|
|
if tasks, bytes := s.rpcScheduler.budgetSnapshot(); tasks != 0 || bytes != 0 {
|
|
t.Fatalf("connection close leaked scheduler budget %d/%d", tasks, bytes)
|
|
}
|
|
retry, err := s.rpcResults.Acquire([8]byte{9}, 90, 900)
|
|
if err != nil || retry.state != rpcResultAcquireOwner {
|
|
t.Fatalf("reclaim after queued close = state:%d err:%v", retry.state, err)
|
|
}
|
|
if !retry.owner.Abort() {
|
|
t.Fatal("replacement owner did not abort")
|
|
}
|
|
}
|