First commit

cmap.go

@@ -0,0 +1,62 @@
+package common
+
+import "sync"
+
+// CMap is a goroutine-safe map
+type CMap struct {
+	m map[string]interface{}
+	l sync.Mutex
+}
+
+func NewCMap() *CMap {
+	return &CMap{
+		m: make(map[string]interface{}, 0),
+	}
+}
+
+func (cm *CMap) Set(key string, value interface{}) {
+	cm.l.Lock()
+	defer cm.l.Unlock()
+	cm.m[key] = value
+}
+
+func (cm *CMap) Get(key string) interface{} {
+	cm.l.Lock()
+	defer cm.l.Unlock()
+	return cm.m[key]
+}
+
+func (cm *CMap) Has(key string) bool {
+	cm.l.Lock()
+	defer cm.l.Unlock()
+	_, ok := cm.m[key]
+	return ok
+}
+
+func (cm *CMap) Delete(key string) {
+	cm.l.Lock()
+	defer cm.l.Unlock()
+	delete(cm.m, key)
+}
+
+func (cm *CMap) Size() int {
+	cm.l.Lock()
+	defer cm.l.Unlock()
+	return len(cm.m)
+}
+
+func (cm *CMap) Clear() {
+	cm.l.Lock()
+	defer cm.l.Unlock()
+	cm.m = make(map[string]interface{}, 0)
+}
+
+func (cm *CMap) Values() []interface{} {
+	cm.l.Lock()
+	defer cm.l.Unlock()
+	items := []interface{}{}
+	for _, v := range cm.m {
+		items = append(items, v)
+	}
+	return items
+}