Reduce cognitive complexity

tcp/tcp_message.go

@@ -353,10 +353,17 @@ func (parser *MessageParser) addPacket(m *Message, pckt *Packet) bool {
 	if parser.End != nil {
 		if parser.End(m) {
 			parser.Emit(m)
-		} else {
-			// Expect: 100-continue handling
-			if state, ok := m.feedback.(*proto.HTTPState); ok {
-				if state.Continue100 {
+			return true
+		}
+
+		parser.Fix100Continue(m)
+	}
+
+	return true
+}
+
+func (parser *MessageParser) Fix100Continue(m *Message) {
+	if state, ok := m.feedback.(*proto.HTTPState); ok && state.Continue100 {
 		delete(parser.m, m.packets[0].MessageID())
 
 		// Shift Ack by given offset
@@ -376,11 +383,6 @@ func (parser *MessageParser) addPacket(m *Message, pckt *Packet) bool {
 		// Re-add (or override) again with new message and ID
 		parser.m[m.packets[0].MessageID()] = m
 	}
-			}
-		}
-	}
-
-	return true
 }
 
 func (parser *MessageParser) Read() *Message {