982 lines
33 KiB
Go
982 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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"sync/atomic"
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"testing"
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"time"
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"go.uber.org/zap/zaptest"
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"github.com/gotd/td/bin"
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"github.com/gotd/td/mt"
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"github.com/gotd/td/proto"
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"github.com/gotd/td/tg"
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)
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type countingOutboundEncoder struct {
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count *int
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}
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func (e *countingOutboundEncoder) Encode(b *bin.Buffer) error {
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*e.count++
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return (&tg.UpdatesTooLong{}).Encode(b)
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}
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type closeCountingTransport struct {
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closes int
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}
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type slowCloseTransport struct {
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delay time.Duration
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release <-chan struct{}
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done chan struct{}
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once sync.Once
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closes atomic.Int32
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}
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func newSlowCloseTransport(delay time.Duration, release <-chan struct{}) *slowCloseTransport {
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return &slowCloseTransport{delay: delay, release: release, done: make(chan struct{})}
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}
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func (*slowCloseTransport) Send(context.Context, *bin.Buffer) error {
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return errors.New("test transport send")
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}
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func (*slowCloseTransport) Recv(context.Context, *bin.Buffer) error {
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return errors.New("test transport recv")
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}
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func (t *slowCloseTransport) Close() error {
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t.closes.Add(1)
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if t.release != nil {
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<-t.release
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} else if t.delay > 0 {
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time.Sleep(t.delay)
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}
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t.once.Do(func() { close(t.done) })
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return nil
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}
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func (t *closeCountingTransport) Send(context.Context, *bin.Buffer) error {
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return errors.New("test transport send")
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}
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func (t *closeCountingTransport) Recv(context.Context, *bin.Buffer) error {
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return errors.New("test transport recv")
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}
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func (t *closeCountingTransport) Close() error {
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t.closes++
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return nil
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}
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// TestSessionManagerRegistry 验证注册表的注册/注销/查找语义（不涉及网络发送）。
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func TestSessionManagerRegistry(t *testing.T) {
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sm := NewSessionManager(zaptest.NewLogger(t))
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c := &Conn{sessionID: 42, authKeyID: [8]byte{1, 2, 3}}
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c.receivesUpdates.Store(true)
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sm.Register(c)
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if got := sm.Online(); got != 1 {
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t.Fatalf("online = %d, want 1", got)
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}
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sm.BindAuthKey(42, [8]byte{1, 2, 3})
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sm.BindUser(42, 100)
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if userID, ok := sm.UserID(42); !ok || userID != 100 {
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t.Fatalf("cached user = %d ok %v, want 100/true", userID, ok)
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}
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sm.BindAuthKey(42, [8]byte{9})
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if userID, ok := sm.UserID(42); ok || userID != 0 {
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t.Fatalf("cached user after auth key switch = %d ok %v, want 0/false", userID, ok)
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}
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if userID, resolved := sm.UserIDResolved(42); resolved || userID != 0 {
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t.Fatalf("resolved user after auth key switch = %d resolved %v, want unresolved", userID, resolved)
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}
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sm.BindUser(42, 0)
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if userID, resolved := sm.UserIDResolved(42); !resolved || userID != 0 {
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t.Fatalf("negative user cache = %d resolved %v, want 0/true", userID, resolved)
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}
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sm.Unregister(c)
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if got := sm.Online(); got != 0 {
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t.Fatalf("online after unregister = %d, want 0", got)
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}
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err := sm.PushToSession(context.Background(), 42, proto.MessageFromServer, &tg.UpdatesTooLong{})
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if !errors.Is(err, ErrSessionNotFound) {
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t.Fatalf("push to missing session err = %v, want ErrSessionNotFound", err)
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}
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}
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func TestSessionManagerReplacementClosesOldPhysicalTransport(t *testing.T) {
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sm := NewSessionManager(zaptest.NewLogger(t))
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raw := [8]byte{1, 2, 3}
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oldTransport := &closeCountingTransport{}
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old := &Conn{sessionID: 42, authKeyID: raw, transport: oldTransport}
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replacement := &Conn{sessionID: 42, authKeyID: raw}
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sm.Register(old)
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sm.Register(replacement)
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if oldTransport.closes != 1 {
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t.Fatalf("old transport closes = %d, want 1", oldTransport.closes)
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}
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// 旧 serveConn 稍后退出时不得把 replacement 从索引删掉。
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sm.Unregister(old)
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if got, ok := sm.bySession[sessionKey{authKeyID: raw, sessionID: 42}]; !ok || got != replacement {
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t.Fatal("old unregister removed the replacement connection")
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}
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}
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func TestSessionManagerDestroyClosesPhysicalTransport(t *testing.T) {
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sm := NewSessionManager(zaptest.NewLogger(t))
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raw := [8]byte{4, 5, 6}
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physical := &closeCountingTransport{}
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c := &Conn{sessionID: 77, authKeyID: raw, transport: physical}
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sm.Register(c)
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if !sm.DestroySessionForAuthKey(raw, 77) {
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t.Fatal("DestroySessionForAuthKey returned false")
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}
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if physical.closes != 1 {
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t.Fatalf("destroyed transport closes = %d, want 1", physical.closes)
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}
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if sm.Online() != 0 {
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t.Fatalf("online after destroy = %d, want 0", sm.Online())
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}
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}
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func TestSessionManagerBestEffortFanoutPreencodesOnce(t *testing.T) {
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sm := NewSessionManager(zaptest.NewLogger(t))
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const userID = int64(100)
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for i := 0; i < 2; i++ {
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c := &Conn{
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sessionID: int64(i + 1),
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authKeyID: [8]byte{byte(i + 1)},
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outbound: make(chan outboundOp, 1),
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outboundControl: make(chan outboundOp, 1),
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outboundStop: make(chan struct{}),
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metrics: NopMetrics{},
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}
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c.userID.Store(userID)
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c.userIDResolved.Store(true)
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c.receivesUpdates.Store(true)
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sm.Register(c)
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}
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encodes := 0
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sent, err := sm.PushToUserExceptSessionBestEffort(
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context.Background(),
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userID,
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0,
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proto.MessageFromServer,
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&countingOutboundEncoder{count: &encodes},
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0,
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)
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if err != nil {
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t.Fatalf("push: %v", err)
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}
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if sent != 2 {
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t.Fatalf("sent = %d, want 2", sent)
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}
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if encodes != 1 {
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t.Fatalf("encoded %d times, want 1", encodes)
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}
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}
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func TestSessionManagerPendingFanoutSharesOneEncodedBodyAndBudget(t *testing.T) {
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sm := NewSessionManager(zaptest.NewLogger(t))
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const userID = int64(102)
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keys := make([]sessionKey, 0, 2)
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for i := 0; i < 2; i++ {
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c := &Conn{sessionID: int64(i + 1), authKeyID: [8]byte{byte(i + 1)}}
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c.userID.Store(userID)
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c.userIDResolved.Store(true)
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sm.Register(c)
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keys = append(keys, connSessionKey(c))
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}
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encodes := 0
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msg := &countingOutboundEncoder{count: &encodes}
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sent, err := sm.PushToUserExceptSession(context.Background(), userID, 0, proto.MessageFromServer, msg)
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if err != nil {
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t.Fatalf("push: %v", err)
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}
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if sent != 2 || encodes != 1 {
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t.Fatalf("pending fanout = sent:%d encodes:%d, want 2/1", sent, encodes)
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}
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sm.mu.Lock()
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first := sm.pending[keys[0]][0]
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second := sm.pending[keys[1]][0]
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if first.encoded != second.encoded || first.reservation != second.reservation {
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sm.mu.Unlock()
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t.Fatal("pending sessions did not share encoded body/reservation")
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}
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wantBytes := int64(len(first.encoded.body))
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sm.deletePendingLocked(keys[0])
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if got := sm.pendingBudget.snapshot(); got != wantBytes {
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sm.mu.Unlock()
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t.Fatalf("budget after first session drop = %d, want shared body %d", got, wantBytes)
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}
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sm.deletePendingLocked(keys[1])
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sm.mu.Unlock()
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if got := sm.pendingBudget.snapshot(); got != 0 {
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t.Fatalf("budget after last session drop = %d, want 0", got)
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}
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}
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func TestSessionManagerBestEffortFanoutUsesOneBudgetAndDropsOnlySlowConsumers(t *testing.T) {
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sm := NewSessionManager(zaptest.NewLogger(t))
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const userID = int64(101)
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// 三个满队列模拟三个慢设备；没有 outbound actor，确保队列在测试期间不会自行排空。
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slow := make([]*Conn, 0, 3)
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for i := 0; i < 3; i++ {
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tr := &closeCountingTransport{}
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c := &Conn{
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sessionID: int64(i + 1),
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authKeyID: [8]byte{byte(i + 1)},
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transport: tr,
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metrics: NopMetrics{},
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outbound: make(chan outboundOp, 1),
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outboundControl: make(chan outboundOp, 1),
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outboundStop: make(chan struct{}),
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}
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c.outbound <- outboundOp{}
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c.userID.Store(userID)
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c.userIDResolved.Store(true)
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c.receivesUpdates.Store(true)
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sm.Register(c)
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slow = append(slow, c)
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}
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healthy := &Conn{
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sessionID: 99,
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authKeyID: [8]byte{99},
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metrics: NopMetrics{},
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outbound: make(chan outboundOp, 1),
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outboundControl: make(chan outboundOp, 1),
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outboundStop: make(chan struct{}),
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}
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healthy.userID.Store(userID)
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healthy.userIDResolved.Store(true)
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healthy.receivesUpdates.Store(true)
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sm.Register(healthy)
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const budget = 40 * time.Millisecond
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start := time.Now()
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sent, err := sm.PushToUserExceptSessionBestEffort(
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context.Background(), userID, 0, proto.MessageFromServer, &tg.UpdatesTooLong{}, budget,
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)
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elapsed := time.Since(start)
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if err != nil {
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t.Fatalf("push: %v", err)
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}
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if sent != 1 {
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t.Fatalf("sent = %d, want only healthy session", sent)
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}
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if elapsed >= 3*budget {
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t.Fatalf("fan-out waited %v; want one shared %v budget, not one per slow session", elapsed, budget)
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}
|
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if got := len(healthy.outbound); got != 1 {
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t.Fatalf("healthy queued ops = %d, want 1", got)
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}
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if healthy.terminal.Load() {
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t.Fatal("healthy session was terminalized")
|
||
}
|
||
for i, c := range slow {
|
||
if !c.terminal.Load() {
|
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t.Fatalf("slow session %d was not terminalized", i)
|
||
}
|
||
if tr := c.transport.(*closeCountingTransport); tr.closes != 1 {
|
||
t.Fatalf("slow session %d transport closes = %d, want 1", i, tr.closes)
|
||
}
|
||
}
|
||
}
|
||
|
||
func TestSessionManagerScopesSameSessionIDByAuthKey(t *testing.T) {
|
||
sm := NewSessionManager(zaptest.NewLogger(t))
|
||
raw1 := [8]byte{1}
|
||
raw2 := [8]byte{2}
|
||
perm1 := [8]byte{9}
|
||
c1 := &Conn{sessionID: 42, authKeyID: raw1}
|
||
c2 := &Conn{sessionID: 42, authKeyID: raw2}
|
||
|
||
sm.Register(c1)
|
||
sm.Register(c2)
|
||
if got := sm.Online(); got != 2 {
|
||
t.Fatalf("online = %d, want 2", got)
|
||
}
|
||
|
||
sm.BindAuthKeyForSession(raw1, 42, perm1)
|
||
// 两条 PFS/raw 连接可以解析到同一业务 perm key 且复用同一个 session_id；
|
||
// 精确排除必须只匹配 raw1，不能按 business key 把 raw2 一并排除。
|
||
sm.BindAuthKeyForSession(raw2, 42, perm1)
|
||
sm.BindUserForAuthKey(raw1, 42, 100)
|
||
sm.BindUserForAuthKey(raw2, 42, 200)
|
||
|
||
if userID, ok := sm.UserIDForAuthKey(raw1, 42); !ok || userID != 100 {
|
||
t.Fatalf("scoped user raw1 = %d ok %v, want 100/true", userID, ok)
|
||
}
|
||
if userID, ok := sm.UserIDForAuthKey(raw2, 42); !ok || userID != 200 {
|
||
t.Fatalf("scoped user raw2 = %d ok %v, want 200/true", userID, ok)
|
||
}
|
||
if _, ok := sm.UserID(42); ok {
|
||
t.Fatal("legacy UserID unexpectedly resolved ambiguous session_id")
|
||
}
|
||
if err := sm.PushToSession(context.Background(), 42, proto.MessageFromServer, &tg.UpdatesTooLong{}); !errors.Is(err, ErrSessionAmbiguous) {
|
||
t.Fatalf("ambiguous push err = %v, want ErrSessionAmbiguous", err)
|
||
}
|
||
|
||
sm.BindUserForAuthKey(raw1, 42, 300)
|
||
sm.BindUserForAuthKey(raw2, 42, 300)
|
||
sent, err := sm.PushToUserExceptAuthKeySession(context.Background(), 300, raw1, 42, proto.MessageFromServer, &tg.UpdatesTooLong{})
|
||
if err != nil {
|
||
t.Fatalf("push except scoped session: %v", err)
|
||
}
|
||
if sent != 1 {
|
||
t.Fatalf("pushed to %d sessions, want 1", sent)
|
||
}
|
||
if _, ok := sm.pending[sessionKey{authKeyID: raw1, sessionID: 42}]; ok {
|
||
t.Fatal("excluded session received pending push")
|
||
}
|
||
if got := len(sm.pending[sessionKey{authKeyID: raw2, sessionID: 42}]); got != 1 {
|
||
t.Fatalf("raw2 pending pushes = %d, want 1", got)
|
||
}
|
||
}
|
||
|
||
func TestSessionManagerCloseSessionsForBusinessAuthKeyClosesBoundTempAndRaw(t *testing.T) {
|
||
sm := NewSessionManager(zaptest.NewLogger(t))
|
||
rawTemp := [8]byte{1}
|
||
perm := [8]byte{9}
|
||
otherRaw := [8]byte{2}
|
||
otherPerm := [8]byte{8}
|
||
tempTransport := &closeCountingTransport{}
|
||
permTransport := &closeCountingTransport{}
|
||
otherTransport := &closeCountingTransport{}
|
||
cTemp := &Conn{sessionID: 11, authKeyID: rawTemp, transport: tempTransport}
|
||
cPerm := &Conn{sessionID: 12, authKeyID: perm, transport: permTransport}
|
||
cOther := &Conn{sessionID: 13, authKeyID: otherRaw}
|
||
cOther.transport = otherTransport
|
||
|
||
sm.Register(cTemp)
|
||
sm.Register(cPerm)
|
||
sm.Register(cOther)
|
||
sm.BindAuthKeyForSession(rawTemp, 11, perm)
|
||
sm.BindAuthKeyForSession(perm, 12, perm)
|
||
sm.BindAuthKeyForSession(otherRaw, 13, otherPerm)
|
||
sm.BindUserForAuthKey(rawTemp, 11, 100)
|
||
sm.BindUserForAuthKey(perm, 12, 100)
|
||
sm.BindUserForAuthKey(otherRaw, 13, 200)
|
||
|
||
if closed := sm.CloseSessionsForBusinessAuthKey(perm); closed != 2 {
|
||
t.Fatalf("closed sessions = %d, want 2", closed)
|
||
}
|
||
if tempTransport.closes != 1 || permTransport.closes != 1 {
|
||
t.Fatalf("transport closes temp=%d perm=%d, want 1/1", tempTransport.closes, permTransport.closes)
|
||
}
|
||
if otherTransport.closes != 0 {
|
||
t.Fatalf("other transport closes = %d, want 0", otherTransport.closes)
|
||
}
|
||
if got := sm.Online(); got != 1 {
|
||
t.Fatalf("online after close = %d, want 1", got)
|
||
}
|
||
if _, ok := sm.AuthKeyIDForSession(rawTemp, 11); ok {
|
||
t.Fatal("temp session still indexed after business auth key close")
|
||
}
|
||
if _, ok := sm.AuthKeyIDForSession(perm, 12); ok {
|
||
t.Fatal("raw perm session still indexed after business auth key close")
|
||
}
|
||
if userID, ok := sm.UserIDForAuthKey(otherRaw, 13); !ok || userID != 200 {
|
||
t.Fatalf("other session user = %d ok %v, want 200/true", userID, ok)
|
||
}
|
||
if closed := sm.CloseSessionsForBusinessAuthKey(perm); closed != 0 {
|
||
t.Fatalf("second close = %d, want 0", closed)
|
||
}
|
||
}
|
||
|
||
func TestSessionManagerCloseSessionsRunsSlowPhysicalClosesConcurrently(t *testing.T) {
|
||
sm := NewSessionManager(zaptest.NewLogger(t))
|
||
business := [8]byte{9, 9, 9}
|
||
const sessions = 8
|
||
const closeDelay = 75 * time.Millisecond
|
||
transports := make([]*slowCloseTransport, 0, sessions)
|
||
for i := 0; i < sessions; i++ {
|
||
raw := [8]byte{byte(i + 1)}
|
||
tr := newSlowCloseTransport(closeDelay, nil)
|
||
c := &Conn{sessionID: int64(i + 1), authKeyID: raw, transport: tr}
|
||
sm.Register(c)
|
||
sm.BindAuthKeyForSession(raw, c.sessionID, business)
|
||
transports = append(transports, tr)
|
||
}
|
||
|
||
started := time.Now()
|
||
if got := sm.CloseSessionsForBusinessAuthKey(business); got != sessions {
|
||
t.Fatalf("closed sessions = %d, want %d", got, sessions)
|
||
}
|
||
elapsed := time.Since(started)
|
||
// A serial implementation takes ~600ms. Leave ample Windows/CI scheduling margin while
|
||
// still proving that the per-Conn delay is not multiplied by the session count.
|
||
if elapsed >= 4*closeDelay {
|
||
t.Fatalf("batch close elapsed = %v, want concurrent closes near %v", elapsed, closeDelay)
|
||
}
|
||
for i, tr := range transports {
|
||
select {
|
||
case <-tr.done:
|
||
default:
|
||
t.Fatalf("transport %d close had not completed when batch returned", i)
|
||
}
|
||
if got := tr.closes.Load(); got != 1 {
|
||
t.Fatalf("transport %d closes = %d, want 1", i, got)
|
||
}
|
||
}
|
||
}
|
||
|
||
func TestSessionManagerCloseRawSessionsExceptRunsConcurrentlyAndPreservesExcluded(t *testing.T) {
|
||
sm := NewSessionManager(zaptest.NewLogger(t))
|
||
raw := [8]byte{6, 6, 6}
|
||
const sessions = 7
|
||
const excludedSession = int64(4)
|
||
const closeDelay = 60 * time.Millisecond
|
||
transports := make([]*slowCloseTransport, 0, sessions)
|
||
for i := 0; i < sessions; i++ {
|
||
tr := newSlowCloseTransport(closeDelay, nil)
|
||
c := &Conn{sessionID: int64(i + 1), authKeyID: raw, transport: tr}
|
||
sm.Register(c)
|
||
transports = append(transports, tr)
|
||
}
|
||
|
||
started := time.Now()
|
||
if got, want := sm.CloseSessionsForRawAuthKeyExcept(raw, excludedSession), sessions-1; got != want {
|
||
t.Fatalf("closed sessions = %d, want %d", got, want)
|
||
}
|
||
if elapsed := time.Since(started); elapsed >= 4*closeDelay {
|
||
t.Fatalf("raw-key batch close elapsed = %v, want concurrent closes near %v", elapsed, closeDelay)
|
||
}
|
||
for i, tr := range transports {
|
||
sessionID := int64(i + 1)
|
||
if sessionID == excludedSession {
|
||
if got := tr.closes.Load(); got != 0 {
|
||
t.Fatalf("excluded transport closes = %d, want 0", got)
|
||
}
|
||
continue
|
||
}
|
||
select {
|
||
case <-tr.done:
|
||
default:
|
||
t.Fatalf("transport for session %d had not closed", sessionID)
|
||
}
|
||
}
|
||
if _, ok := sm.bySession[sessionKey{authKeyID: raw, sessionID: excludedSession}]; !ok {
|
||
t.Fatal("excluded session was removed from the registry")
|
||
}
|
||
// Clean up the deliberately preserved connection without making the assertion path depend
|
||
// on test process teardown.
|
||
if !sm.DestroySessionForAuthKey(raw, excludedSession) {
|
||
t.Fatal("cleanup destroy of excluded session failed")
|
||
}
|
||
}
|
||
|
||
func TestForceCloseBatchTimeoutStillClosesProducerAndRPCGates(t *testing.T) {
|
||
release := make(chan struct{})
|
||
const sessions = 4
|
||
scheduler := newInboundRPCScheduler(1, 16, 1<<20)
|
||
defer scheduler.stop(time.Second)
|
||
conns := make([]*Conn, 0, sessions)
|
||
transports := make([]*slowCloseTransport, 0, sessions)
|
||
for i := 0; i < sessions; i++ {
|
||
tr := newSlowCloseTransport(0, release)
|
||
c := &Conn{
|
||
transport: tr,
|
||
metrics: NopMetrics{},
|
||
outbound: make(chan outboundOp, 1),
|
||
outboundControl: make(chan outboundOp, 1),
|
||
outboundStop: make(chan struct{}),
|
||
}
|
||
c.startInboundRPCScheduler(scheduler, 1, 1, time.Second)
|
||
if err := c.enqueueInboundRPC(context.Background(), inboundRPC{
|
||
method: "shutdown.budget",
|
||
size: 32,
|
||
}); err != nil {
|
||
t.Fatalf("enqueue queued RPC %d: %v", i, err)
|
||
}
|
||
conns = append(conns, c)
|
||
transports = append(transports, tr)
|
||
}
|
||
|
||
started := time.Now()
|
||
if completed := forceCloseConnBatch(conns, 40*time.Millisecond); completed {
|
||
t.Fatal("blocked transport close batch unexpectedly completed")
|
||
}
|
||
if elapsed := time.Since(started); elapsed > 250*time.Millisecond {
|
||
t.Fatalf("timed batch close blocked for %v", elapsed)
|
||
}
|
||
for i, c := range conns {
|
||
if !c.terminal.Load() {
|
||
t.Fatalf("connection %d producer gate remains open after batch timeout", i)
|
||
}
|
||
select {
|
||
case <-c.outboundStop:
|
||
default:
|
||
t.Fatalf("connection %d outbound stop was not published", i)
|
||
}
|
||
select {
|
||
case <-c.rpcRootCtx.Done():
|
||
default:
|
||
t.Fatalf("connection %d RPC root remains open after batch timeout", i)
|
||
}
|
||
}
|
||
if tasks, bytes := scheduler.budgetSnapshot(); tasks != 0 || bytes != 0 {
|
||
t.Fatalf("RPC budget after batch gate close = tasks:%d bytes:%d, want zero", tasks, bytes)
|
||
}
|
||
|
||
close(release)
|
||
for i, tr := range transports {
|
||
select {
|
||
case <-tr.done:
|
||
case <-time.After(time.Second):
|
||
t.Fatalf("transport %d did not finish after release", i)
|
||
}
|
||
}
|
||
}
|
||
|
||
func TestSessionManagerBusinessAuthKeyIndexTracksRebind(t *testing.T) {
|
||
sm := NewSessionManager(zaptest.NewLogger(t))
|
||
raw := [8]byte{1}
|
||
oldPerm := [8]byte{7}
|
||
newPerm := [8]byte{8}
|
||
c := &Conn{sessionID: 21, authKeyID: raw}
|
||
|
||
sm.Register(c)
|
||
sm.BindAuthKeyForSession(raw, 21, oldPerm)
|
||
sm.BindAuthKeyForSession(raw, 21, newPerm)
|
||
|
||
if closed := sm.CloseSessionsForBusinessAuthKey(oldPerm); closed != 0 {
|
||
t.Fatalf("close old business auth key = %d, want 0", closed)
|
||
}
|
||
if got := sm.Online(); got != 1 {
|
||
t.Fatalf("online after closing old key = %d, want 1", got)
|
||
}
|
||
if closed := sm.CloseSessionsForBusinessAuthKey(newPerm); closed != 1 {
|
||
t.Fatalf("close new business auth key = %d, want 1", closed)
|
||
}
|
||
if got := sm.Online(); got != 0 {
|
||
t.Fatalf("online after closing new key = %d, want 0", got)
|
||
}
|
||
}
|
||
|
||
func TestPushToUserAuthKeyUsesOneDeadlineAndDropsOnlySlowPFSConnections(t *testing.T) {
|
||
sm := NewSessionManager(zaptest.NewLogger(t))
|
||
business := [8]byte{9, 9}
|
||
const userID = int64(100)
|
||
newConn := func(raw [8]byte, sessionID int64, queueFull bool) (*Conn, *closeCountingTransport) {
|
||
transport := &closeCountingTransport{}
|
||
c := &Conn{
|
||
authKeyID: raw,
|
||
sessionID: sessionID,
|
||
metrics: NopMetrics{},
|
||
transport: transport,
|
||
outbound: make(chan outboundOp, 1),
|
||
outboundControl: make(chan outboundOp, 1),
|
||
outboundStop: make(chan struct{}),
|
||
}
|
||
c.receivesUpdates.Store(true)
|
||
if queueFull {
|
||
c.outbound <- outboundOp{}
|
||
}
|
||
sm.Register(c)
|
||
sm.BindAuthKeyForSession(raw, sessionID, business)
|
||
sm.BindUserForAuthKey(raw, sessionID, userID)
|
||
return c, transport
|
||
}
|
||
|
||
slowOne, slowOneTransport := newConn([8]byte{1}, 11, true)
|
||
slowTwo, slowTwoTransport := newConn([8]byte{2}, 12, true)
|
||
healthy, healthyTransport := newConn([8]byte{3}, 13, false)
|
||
|
||
ctx, cancel := context.WithTimeout(context.Background(), 25*time.Millisecond)
|
||
defer cancel()
|
||
started := time.Now()
|
||
sent, err := sm.PushToUserAuthKey(ctx, userID, business, proto.MessageFromServer, &tg.UpdatesTooLong{})
|
||
elapsed := time.Since(started)
|
||
if err != nil {
|
||
t.Fatalf("PushToUserAuthKey: %v", err)
|
||
}
|
||
if sent != 1 {
|
||
t.Fatalf("sent = %d, want only healthy connection", sent)
|
||
}
|
||
if elapsed > 100*time.Millisecond {
|
||
t.Fatalf("elapsed = %v, want one shared deadline rather than per-session waits", elapsed)
|
||
}
|
||
if !slowOne.terminal.Load() || !slowTwo.terminal.Load() || slowOneTransport.closes != 1 || slowTwoTransport.closes != 1 {
|
||
t.Fatalf("slow connections not terminal/closed: one=%v/%d two=%v/%d",
|
||
slowOne.terminal.Load(), slowOneTransport.closes, slowTwo.terminal.Load(), slowTwoTransport.closes)
|
||
}
|
||
if healthy.terminal.Load() || healthyTransport.closes != 0 {
|
||
t.Fatalf("healthy connection was dropped: terminal=%v closes=%d", healthy.terminal.Load(), healthyTransport.closes)
|
||
}
|
||
select {
|
||
case <-healthy.outbound:
|
||
default:
|
||
t.Fatal("healthy PFS connection did not receive best-effort enqueue")
|
||
}
|
||
}
|
||
|
||
func TestSessionManagerChannelInterestIndex(t *testing.T) {
|
||
sm := NewSessionManager(zaptest.NewLogger(t))
|
||
raw := [8]byte{1, 2, 3}
|
||
c := &Conn{sessionID: 42, authKeyID: raw}
|
||
sm.Register(c)
|
||
sm.BindUserForAuthKey(raw, 42, 100)
|
||
|
||
sm.TrackChannelInterest(raw, 42, 100, []int64{10, 10, 20})
|
||
if got := sm.OnlineChannelUserIDs(10, 10); len(got) != 1 || got[0] != 100 {
|
||
t.Fatalf("channel 10 online users = %v, want [100]", got)
|
||
}
|
||
sm.TrackChannelInterest(raw, 42, 100, []int64{20})
|
||
if got := sm.OnlineChannelUserIDs(10, 10); len(got) != 0 {
|
||
t.Fatalf("channel 10 after viewer switch = %v, want empty", got)
|
||
}
|
||
if got := sm.OnlineChannelUserIDs(20, 10); len(got) != 1 || got[0] != 100 {
|
||
t.Fatalf("channel 20 after viewer switch = %v, want [100]", got)
|
||
}
|
||
sm.TrackChannelInterest(raw, 42, 100, []int64{10})
|
||
if got := sm.OnlineChannelMemberUserIDs(10, 10); len(got) != 0 {
|
||
t.Fatalf("channel 10 online members before membership sync = %v, want empty", got)
|
||
}
|
||
sm.SetSessionChannelMemberships(raw, 42, 100, []int64{10, 30}, sm.ChannelMembershipGeneration(raw, 42))
|
||
if got := sm.OnlineChannelMemberUserIDs(10, 10); len(got) != 1 || got[0] != 100 {
|
||
t.Fatalf("channel 10 online members = %v, want [100]", got)
|
||
}
|
||
if got := sm.OnlineChannelUserIDs(30, 10); len(got) != 0 {
|
||
t.Fatalf("channel 30 viewers = %v, want empty", got)
|
||
}
|
||
if got := sm.OnlineUserIDsForCandidates([]int64{0, 200, 100, 100}, 10); len(got) != 1 || got[0] != 100 {
|
||
t.Fatalf("candidate online users = %v, want [100]", got)
|
||
}
|
||
|
||
sm.BindUserForAuthKey(raw, 42, 200)
|
||
if got := sm.OnlineChannelUserIDs(10, 10); len(got) != 0 {
|
||
t.Fatalf("channel interest after user switch = %v, want empty", got)
|
||
}
|
||
if got := sm.OnlineChannelMemberUserIDs(10, 10); len(got) != 0 {
|
||
t.Fatalf("channel membership after user switch = %v, want empty", got)
|
||
}
|
||
sm.TrackChannelInterest(raw, 42, 200, []int64{10})
|
||
if got := sm.OnlineChannelUserIDs(10, 10); len(got) != 1 || got[0] != 200 {
|
||
t.Fatalf("channel 10 after re-track = %v, want [200]", got)
|
||
}
|
||
sm.AddUserChannelMembership(200, 10)
|
||
if got := sm.OnlineChannelMemberUserIDs(10, 10); len(got) != 1 || got[0] != 200 {
|
||
t.Fatalf("channel 10 membership after add = %v, want [200]", got)
|
||
}
|
||
sm.RemoveUserChannelMembership(200, 10)
|
||
if got := sm.OnlineChannelMemberUserIDs(10, 10); len(got) != 0 {
|
||
t.Fatalf("channel membership after remove = %v, want empty", got)
|
||
}
|
||
sm.ClearChannelInterest(raw, 42, 200)
|
||
if got := sm.OnlineChannelUserIDs(10, 10); len(got) != 0 {
|
||
t.Fatalf("channel interest after explicit clear = %v, want empty", got)
|
||
}
|
||
|
||
sm.Unregister(c)
|
||
if got := sm.OnlineChannelUserIDs(10, 10); len(got) != 0 {
|
||
t.Fatalf("channel interest after unregister = %v, want empty", got)
|
||
}
|
||
if got := sm.OnlineChannelMemberUserIDs(10, 10); len(got) != 0 {
|
||
t.Fatalf("channel membership after unregister = %v, want empty", got)
|
||
}
|
||
}
|
||
|
||
func TestSessionManagerClearsChannelIndexesOnAuthAndReadinessChanges(t *testing.T) {
|
||
sm := NewSessionManager(zaptest.NewLogger(t))
|
||
raw := [8]byte{1, 2, 3}
|
||
business := [8]byte{8}
|
||
c := &Conn{sessionID: 42, authKeyID: raw}
|
||
sm.Register(c)
|
||
sm.BindAuthKeyForSession(raw, 42, business)
|
||
sm.BindUserForAuthKey(raw, 42, 100)
|
||
|
||
track := func() {
|
||
sm.TrackChannelInterest(raw, 42, 100, []int64{10})
|
||
sm.SetSessionChannelMemberships(raw, 42, 100, []int64{10}, sm.ChannelMembershipGeneration(raw, 42))
|
||
if got := sm.OnlineChannelUserIDs(10, 10); len(got) != 1 || got[0] != 100 {
|
||
t.Fatalf("channel viewers before cleanup = %v, want [100]", got)
|
||
}
|
||
if got := sm.OnlineChannelMemberUserIDs(10, 10); len(got) != 1 || got[0] != 100 {
|
||
t.Fatalf("channel members before cleanup = %v, want [100]", got)
|
||
}
|
||
}
|
||
assertCleared := func(label string) {
|
||
if got := sm.OnlineChannelUserIDs(10, 10); len(got) != 0 {
|
||
t.Fatalf("%s viewers = %v, want empty", label, got)
|
||
}
|
||
if got := sm.OnlineChannelMemberUserIDs(10, 10); len(got) != 0 {
|
||
t.Fatalf("%s members = %v, want empty", label, got)
|
||
}
|
||
}
|
||
|
||
track()
|
||
sm.SetReceivesUpdatesForAuthKey(raw, 42, false)
|
||
assertCleared("after receivesUpdates=false")
|
||
|
||
track()
|
||
sm.BindAuthKeyForSession(raw, 42, [8]byte{9})
|
||
assertCleared("after business auth key change")
|
||
|
||
sm.BindAuthKeyForSession(raw, 42, business)
|
||
sm.BindUserForAuthKey(raw, 42, 100)
|
||
track()
|
||
if n := sm.UnbindAuthKey(business); n != 1 {
|
||
t.Fatalf("UnbindAuthKey count = %d, want 1", n)
|
||
}
|
||
assertCleared("after unbind auth key")
|
||
}
|
||
|
||
func TestPushToSessionForAuthKeyImmediateBypassesReadinessQueue(t *testing.T) {
|
||
sm := NewSessionManager(zaptest.NewLogger(t))
|
||
raw := [8]byte{1, 2, 3}
|
||
c := &Conn{
|
||
sessionID: 42,
|
||
authKeyID: raw,
|
||
outbound: make(chan outboundOp, 1),
|
||
outboundControl: make(chan outboundOp, 1),
|
||
outboundStop: make(chan struct{}),
|
||
}
|
||
sm.Register(c)
|
||
|
||
msg := &tg.UpdateShort{Update: &tg.UpdateLoginToken{}, Date: 1700000000}
|
||
if err := sm.PushToSessionForAuthKeyImmediate(context.Background(), raw, 42, proto.MessageFromServer, msg); err != nil {
|
||
t.Fatalf("immediate push: %v", err)
|
||
}
|
||
|
||
select {
|
||
case op := <-c.outbound:
|
||
defer op.releaseReservation(c.outboundTrackedBudget)
|
||
if op.encoded == nil {
|
||
t.Fatal("immediate push did not retain its encoded body")
|
||
}
|
||
var got tg.UpdateShort
|
||
if err := got.Decode(&bin.Buffer{Buf: op.encoded.body}); err != nil {
|
||
t.Fatalf("decode enqueued update: %v", err)
|
||
}
|
||
if _, ok := got.Update.(*tg.UpdateLoginToken); !ok || got.Date != msg.Date {
|
||
t.Fatalf("enqueued update = %+v, want login token date %d", got, msg.Date)
|
||
}
|
||
case <-time.After(time.Second):
|
||
t.Fatal("immediate push was not enqueued")
|
||
}
|
||
|
||
sm.mu.RLock()
|
||
pending := len(sm.pending[sessionKey{authKeyID: raw, sessionID: 42}])
|
||
sm.mu.RUnlock()
|
||
if pending != 0 {
|
||
t.Fatalf("pending pushes = %d, want 0", pending)
|
||
}
|
||
}
|
||
|
||
func TestPendingPushBodiesUseGlobalByteBudgetAndReleaseOnDrop(t *testing.T) {
|
||
sm := NewSessionManager(zaptest.NewLogger(t))
|
||
msg := &tg.UpdateShort{Update: &tg.UpdateLoginToken{}, Date: 1700000000}
|
||
encoded, err := encodeOutboundMessage(msg)
|
||
if err != nil {
|
||
t.Fatalf("encode pending fixture: %v", err)
|
||
}
|
||
sm.pendingBudget = newOutboundTrackedBudget(int64(len(encoded.body)))
|
||
key := sessionKey{authKeyID: [8]byte{9}, sessionID: 77}
|
||
|
||
sm.mu.Lock()
|
||
first := sm.queueLocked(key, proto.MessageFromServer, msg)
|
||
second := sm.queueLocked(key, proto.MessageFromServer, msg)
|
||
sm.mu.Unlock()
|
||
if !first || second {
|
||
t.Fatalf("pending queue results = first %v second %v, want true/false at byte cap", first, second)
|
||
}
|
||
if got := sm.pendingBudget.snapshot(); got != int64(len(encoded.body)) {
|
||
t.Fatalf("pending body budget = %d, want %d", got, len(encoded.body))
|
||
}
|
||
|
||
sm.mu.Lock()
|
||
sm.deletePendingLocked(key)
|
||
sm.mu.Unlock()
|
||
if got := sm.pendingBudget.snapshot(); got != 0 {
|
||
t.Fatalf("pending body budget after drop = %d, want zero", got)
|
||
}
|
||
}
|
||
|
||
func TestPendingFlushGlobalBodyPressureDoesNotTerminateHealthyConnection(t *testing.T) {
|
||
sm := NewSessionManager(zaptest.NewLogger(t))
|
||
key := sessionKey{authKeyID: [8]byte{6}, sessionID: 66}
|
||
c := &Conn{
|
||
authKeyID: key.authKeyID,
|
||
sessionID: key.sessionID,
|
||
outbound: make(chan outboundOp, 1),
|
||
outboundControl: make(chan outboundOp, 1),
|
||
outboundStop: make(chan struct{}),
|
||
metrics: NopMetrics{},
|
||
outboundTrackedBudget: newOutboundTrackedBudget(1),
|
||
}
|
||
const userID = int64(606)
|
||
c.userID.Store(userID)
|
||
c.userIDResolved.Store(true)
|
||
sm.Register(c)
|
||
|
||
msg := &tg.UpdateShort{Update: &tg.UpdateLoginToken{}, Date: 1700000000}
|
||
sm.mu.Lock()
|
||
if !sm.queueLocked(key, proto.MessageFromServer, msg) {
|
||
sm.mu.Unlock()
|
||
t.Fatal("queue pending push")
|
||
}
|
||
sm.flushing[key] = true
|
||
sm.mu.Unlock()
|
||
|
||
// Enter at the final retry so the test exercises the durable-difference fallback without
|
||
// waiting for the production backoff timer.
|
||
sm.runFlush(c, key, userID, maxFlushAttempts-1)
|
||
if c.terminal.Load() {
|
||
t.Fatal("shared body pressure terminated a healthy pending-flush connection")
|
||
}
|
||
if !c.receivesUpdates.Load() {
|
||
t.Fatal("pending flush did not activate difference fallback after bounded retries")
|
||
}
|
||
if got := sm.pendingBudget.snapshot(); got != 0 {
|
||
t.Fatalf("pending budget after fallback = %d, want zero", got)
|
||
}
|
||
}
|
||
|
||
func TestPendingPushBudgetSurvivesTakeAndReturnsAcrossOverflowAndUnregister(t *testing.T) {
|
||
sm := NewSessionManager(zaptest.NewLogger(t))
|
||
msg := &tg.UpdateShort{Update: &tg.UpdateLoginToken{}, Date: 1700000000}
|
||
encoded, err := encodeOutboundMessage(msg)
|
||
if err != nil {
|
||
t.Fatalf("encode pending fixture: %v", err)
|
||
}
|
||
bytesPerPush := int64(len(encoded.body))
|
||
sm.pendingBudget = newOutboundTrackedBudget(bytesPerPush * (maxPendingPushesPerSession + 8))
|
||
key := sessionKey{authKeyID: [8]byte{7}, sessionID: 55}
|
||
c := &Conn{authKeyID: key.authKeyID, sessionID: key.sessionID}
|
||
sm.Register(c)
|
||
|
||
sm.mu.Lock()
|
||
for i := 0; i < maxPendingPushesPerSession+5; i++ {
|
||
if !sm.queueLocked(key, proto.MessageFromServer, msg) {
|
||
sm.mu.Unlock()
|
||
t.Fatalf("queue pending push %d unexpectedly failed", i)
|
||
}
|
||
}
|
||
if got, want := sm.pendingBudget.snapshot(), bytesPerPush*maxPendingPushesPerSession; got != want {
|
||
sm.mu.Unlock()
|
||
t.Fatalf("budget after overflow replacement = %d, want %d", got, want)
|
||
}
|
||
batch := sm.takePendingLocked(key, true)
|
||
sm.mu.Unlock()
|
||
if len(batch) != maxPendingPushesPerSession {
|
||
t.Fatalf("taken pending pushes = %d, want %d", len(batch), maxPendingPushesPerSession)
|
||
}
|
||
// take transfers ownership to runFlush; deleting the map entry must not release bodies while
|
||
// the batch still references them.
|
||
if got, want := sm.pendingBudget.snapshot(), bytesPerPush*maxPendingPushesPerSession; got != want {
|
||
t.Fatalf("budget after take = %d, want transferred ownership %d", got, want)
|
||
}
|
||
releaseQueuedPushes(batch)
|
||
if got := sm.pendingBudget.snapshot(); got != 0 {
|
||
t.Fatalf("budget after taken batch release = %d, want 0", got)
|
||
}
|
||
|
||
sm.mu.Lock()
|
||
if !sm.queueLocked(key, proto.MessageFromServer, msg) {
|
||
sm.mu.Unlock()
|
||
t.Fatal("queue before unregister failed")
|
||
}
|
||
sm.mu.Unlock()
|
||
sm.Unregister(c)
|
||
if got := sm.pendingBudget.snapshot(); got != 0 {
|
||
t.Fatalf("budget after unregister = %d, want 0", got)
|
||
}
|
||
}
|
||
|
||
// TestSessionManagerPush 验证主动推送端到端：两个 client 连接握手并建立 session 后，
|
||
// server 经 PushToSession / PushToUser 主动向其推送，client 收到。
|
||
func TestSessionManagerPush(t *testing.T) {
|
||
const dc = 2
|
||
addr, pub, srv := startTestServer(t, Options{DC: dc})
|
||
|
||
conn1, auth1, cipher1 := dialHandshake(t, addr, dc, pub)
|
||
conn2, auth2, cipher2 := dialHandshake(t, addr, dc, pub)
|
||
|
||
// 各发一个 ping 建立 session，触发注册（并清掉 new_session_created/pong/ack）。
|
||
msgGen := proto.NewMessageIDGen(time.Now)
|
||
sendEncrypted(t, conn1, cipher1, auth1, msgGen.New(proto.MessageFromClient), &mt.PingRequest{PingID: 1})
|
||
collectReplies(t, conn1, cipher1, auth1.AuthKey, mt.PongTypeID)
|
||
sendEncrypted(t, conn2, cipher2, auth2, msgGen.New(proto.MessageFromClient), &mt.PingRequest{PingID: 2})
|
||
collectReplies(t, conn2, cipher2, auth2.AuthKey, mt.PongTypeID)
|
||
|
||
if got := srv.Conns().Online(); got != 2 {
|
||
t.Fatalf("online = %d, want 2", got)
|
||
}
|
||
|
||
ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
|
||
defer cancel()
|
||
|
||
// 1) PushToSession：session2 尚未进入 updates 同步入口时先暂存，ready 后下发。
|
||
if err := srv.Conns().PushToSession(ctx, auth2.SessionID, proto.MessageFromServer, &tg.UpdatesTooLong{}); err != nil {
|
||
t.Fatalf("push to session: %v", err)
|
||
}
|
||
srv.Conns().SetReceivesUpdates(auth2.SessionID, true)
|
||
r2 := collectReplies(t, conn2, cipher2, auth2.AuthKey, tg.UpdatesTooLongTypeID)
|
||
mustHave(t, r2, tg.UpdatesTooLongTypeID, "pushed updates on conn2")
|
||
|
||
// 2) BindUser + PushToUser：按 user 维度推送给 conn1。
|
||
srv.Conns().BindUser(auth1.SessionID, 100)
|
||
srv.Conns().SetReceivesUpdates(auth1.SessionID, true)
|
||
sent, err := srv.Conns().PushToUser(ctx, 100, proto.MessageFromServer, &tg.UpdatesTooLong{})
|
||
if err != nil {
|
||
t.Fatalf("push to user: %v", err)
|
||
}
|
||
if sent != 1 {
|
||
t.Fatalf("pushed to %d conns, want 1", sent)
|
||
}
|
||
r1 := collectReplies(t, conn1, cipher1, auth1.AuthKey, tg.UpdatesTooLongTypeID)
|
||
mustHave(t, r1, tg.UpdatesTooLongTypeID, "pushed updates on conn1")
|
||
|
||
// 3) PushToUserExceptSession：模拟 SyncUpdatesNotMe，跳过当前 session。
|
||
srv.Conns().BindUser(auth1.SessionID, 200)
|
||
srv.Conns().BindUser(auth2.SessionID, 200)
|
||
sent, err = srv.Conns().PushToUserExceptSession(ctx, 200, auth2.SessionID, proto.MessageFromServer, &tg.UpdatesTooLong{})
|
||
if err != nil {
|
||
t.Fatalf("push to user except session: %v", err)
|
||
}
|
||
if sent != 1 {
|
||
t.Fatalf("pushed to %d conns, want 1 after excluding current session", sent)
|
||
}
|
||
r1 = collectReplies(t, conn1, cipher1, auth1.AuthKey, tg.UpdatesTooLongTypeID)
|
||
mustHave(t, r1, tg.UpdatesTooLongTypeID, "pushed not-me updates on conn1")
|
||
}
|
||
|
||
func BenchmarkSessionManagerOnlineCandidateFilter(b *testing.B) {
|
||
sm := NewSessionManager(zaptest.NewLogger(b))
|
||
const online = 200_000
|
||
rawPrefix := [8]byte{9}
|
||
for i := 1; i <= online; i++ {
|
||
raw := rawPrefix
|
||
raw[1] = byte(i)
|
||
raw[2] = byte(i >> 8)
|
||
raw[3] = byte(i >> 16)
|
||
raw[4] = byte(i >> 24)
|
||
c := &Conn{sessionID: int64(i), authKeyID: raw}
|
||
sm.Register(c)
|
||
sm.BindUserForAuthKey(raw, int64(i), int64(i))
|
||
}
|
||
candidates := make([]int64, 0, 500)
|
||
for i := 0; i < 500; i++ {
|
||
candidates = append(candidates, int64(i*97+1))
|
||
}
|
||
b.ResetTimer()
|
||
for i := 0; i < b.N; i++ {
|
||
got := sm.OnlineUserIDsForCandidates(candidates, 500)
|
||
if len(got) == 0 {
|
||
b.Fatal("no candidates matched")
|
||
}
|
||
}
|
||
}
|