[Feature]

1.Add Network rule, match network type(TCP/UDP)
2.Add logic rules(NOT,OR,AND)
-AND,((DOMAIN,baidu.com),(NETWORK,UDP)),REJECT

(cherry picked from commit d7092e2e37f2c48282c878edea1b2ebc2912b09a)

common/collections/stack.go

@@ -0,0 +1,56 @@
+package collections
+
+import "sync"
+
+type (
+	stack struct {
+		top    *node
+		length int
+		lock   *sync.RWMutex
+	}
+
+	node struct {
+		value interface{}
+		prev  *node
+	}
+)
+
+// NewStack Create a new stack
+func NewStack() *stack {
+	return &stack{nil, 0, &sync.RWMutex{}}
+}
+
+// Len Return the number of items in the stack
+func (this *stack) Len() int {
+	return this.length
+}
+
+// Peek View the top item on the stack
+func (this *stack) Peek() interface{} {
+	if this.length == 0 {
+		return nil
+	}
+	return this.top.value
+}
+
+// Pop the top item of the stack and return it
+func (this *stack) Pop() interface{} {
+	this.lock.Lock()
+	defer this.lock.Unlock()
+	if this.length == 0 {
+		return nil
+	}
+	n := this.top
+	this.top = n.prev
+	this.length--
+	return n.value
+}
+
+// Push a value onto the top of the stack
+func (this *stack) Push(value interface{}) {
+	this.lock.Lock()
+	defer this.lock.Unlock()
+	n := &node{value, this.top}
+	this.top = n
+	this.length++
+}