Bugfixes & setup GitHub actions

.github/workflows/master.yaml

@@ -0,0 +1,11 @@
+on: push
+name: Master action
+jobs:
+  checks:
+    name: run
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@master
+
+    - name: run
+      uses: cedrickring/golang-action@1.6.0

server/server.go

@@ -36,12 +36,12 @@ func ListenAndServe(addr string) error {
 }
 
 func (s *Server) handleConn(conn net.Conn) {
-	defer conn.Close()
 	defer func() {
 		if r := recover(); r != nil {
 			log.Println("panic:", r)
 		}
-	}()
+	}()	
+	defer conn.Close()
 	for {
 		buf := make([]byte, 1024)
 		n, err := conn.Read(buf)

store/store.go

@@ -17,7 +17,7 @@ type entry struct {
 // in the memory and removed once accessed, in case the key expired.
 type Store struct {
 	values map[string]entry
-	mu     sync.RWMutex
+	mu     sync.Mutex
 }
 
 // New creates a new instance of Store.
@@ -29,9 +29,9 @@ func New() *Store {
 
 // Get returns the actual value for the given key and value indicating the existence.
 func (s *Store) Get(key string) (string, bool) {
-	s.mu.RLock()
+	s.mu.Lock()
+	defer s.mu.Unlock()
 	v, ok := s.values[key]
-	s.mu.RUnlock()
 	if ok && !v.ts.IsZero() {
 		if v.ts.Before(time.Now()) {
 			delete(s.values, key)
@@ -62,7 +62,7 @@ func (s *Store) SetWithExpirity(key, value string, expirity time.Duration) {
 
 // Len returns length of the store.
 func (s *Store) Len() int {
-	s.mu.RLock()
-	defer s.mu.RUnlock()
+	s.mu.Lock()
+	defer s.mu.Lock()
 	return len(s.values)
 }