qlog: add support for alpn_information event (#4216)

* qlog chosen alpn

* qlog chosen alpn

* qlog: fix capitalization of ALPN

---------

Co-authored-by: Marten Seemann <martenseemann@gmail.com>

internal/mocks/logging/connection_tracer.go

@@ -98,6 +98,9 @@ func NewMockConnectionTracer(ctrl *gomock.Controller) (*logging.ConnectionTracer
 		ECNStateUpdated: func(state logging.ECNState, trigger logging.ECNStateTrigger) {
 			t.ECNStateUpdated(state, trigger)
 		},
+		ChoseALPN: func(protocol string) {
+			t.ChoseALPN(protocol)
+		},
 		Close: func() {
 			t.Close()
 		},

internal/mocks/logging/internal/connection_tracer.go

@@ -115,6 +115,42 @@ func (c *ConnectionTracerBufferedPacketCall) DoAndReturn(f func(logging.PacketTy
 	return c
 }
 
+// ChoseALPN mocks base method.
+func (m *MockConnectionTracer) ChoseALPN(arg0 string) {
+	m.ctrl.T.Helper()
+	m.ctrl.Call(m, "ChoseALPN", arg0)
+}
+
+// ChoseALPN indicates an expected call of ChoseALPN.
+func (mr *MockConnectionTracerMockRecorder) ChoseALPN(arg0 any) *ConnectionTracerChoseALPNCall {
+	mr.mock.ctrl.T.Helper()
+	call := mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "ChoseALPN", reflect.TypeOf((*MockConnectionTracer)(nil).ChoseALPN), arg0)
+	return &ConnectionTracerChoseALPNCall{Call: call}
+}
+
+// ConnectionTracerChoseALPNCall wrap *gomock.Call
+type ConnectionTracerChoseALPNCall struct {
+	*gomock.Call
+}
+
+// Return rewrite *gomock.Call.Return
+func (c *ConnectionTracerChoseALPNCall) Return() *ConnectionTracerChoseALPNCall {
+	c.Call = c.Call.Return()
+	return c
+}
+
+// Do rewrite *gomock.Call.Do
+func (c *ConnectionTracerChoseALPNCall) Do(f func(string)) *ConnectionTracerChoseALPNCall {
+	c.Call = c.Call.Do(f)
+	return c
+}
+
+// DoAndReturn rewrite *gomock.Call.DoAndReturn
+func (c *ConnectionTracerChoseALPNCall) DoAndReturn(f func(string)) *ConnectionTracerChoseALPNCall {
+	c.Call = c.Call.DoAndReturn(f)
+	return c
+}
+
 // Close mocks base method.
 func (m *MockConnectionTracer) Close() {
 	m.ctrl.T.Helper()

internal/mocks/logging/mockgen.go

@@ -45,6 +45,7 @@ type ConnectionTracer interface {
 	LossTimerExpired(logging.TimerType, logging.EncryptionLevel)
 	LossTimerCanceled()
 	ECNStateUpdated(state logging.ECNState, trigger logging.ECNStateTrigger)
+	ChoseALPN(protocol string)
 	// Close is called when the connection is closed.
 	Close()
 	Debug(name, msg string)