Add new DOS bit flag (#14)

Add new DOS bit flag for TF2V8

New bit has been added in pos 6 for if its under a DOS attack, add this to MarshallJSON

lib/svrquery/protocol/titanfall/types.go

@@ -54,7 +54,7 @@ type InstanceInfo struct {
 	RandomServerID uint64
 }
 
-// InstanceInfo represents instance information contained in a query response.
+// InstanceInfoV8 represents instance information contained in a query response.
 type InstanceInfoV8 struct {
 	Retail         byte
 	InstanceType   byte
@@ -78,6 +78,7 @@ func (a HealthFlags) MarshalJSON() ([]byte, error) {
 		PacketChokedOut  bool
 		SlowServerFrames bool
 		Hitching         bool
+		DOS              bool
 	}{}
 	obj.None = a.None()
 	obj.PacketLossIn = a.PacketLossIn()
@@ -86,6 +87,7 @@ func (a HealthFlags) MarshalJSON() ([]byte, error) {
 	obj.PacketChokedOut = a.PacketChokedOut()
 	obj.SlowServerFrames = a.SlowServerFrames()
 	obj.Hitching = a.Hitching()
+	obj.DOS = a.DOS()
 
 	return json.Marshal(obj)
 }
@@ -125,6 +127,11 @@ func (a HealthFlags) Hitching() bool {
 	return (a>>5)&1 == 1
 }
 
+// DOS health flag
+func (a HealthFlags) DOS() bool {
+	return (a>>6)&1 == 1
+}
+
 // BasicInfo represents basic information contained in a query response.
 type BasicInfo struct {
 	Port            uint16

lib/svrquery/protocol/titanfall/types_test.go

@@ -17,6 +17,7 @@ func TestHealthFlags(t *testing.T) {
 		expPacketChokedOut  bool
 		expSlowServerFrames bool
 		expHitching         bool
+		expDOS bool
 	}{
 		{
 			input:   0,
@@ -46,6 +47,10 @@ func TestHealthFlags(t *testing.T) {
 			input:       1 << 5,
 			expHitching: true,
 		},
+		{
+			input:       1 << 6,
+			expDOS: true,
+		},
 	}
 
 	for _, tc := range testCases {