WIP: initial commit

storage/error.go

@@ -0,0 +1,23 @@
+package storage
+
+/*
+Copyright 2025 Suyono <suyono3484@gmail.com>
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+import "errors"
+
+var (
+	ErrNotFound = errors.New("could not find key in the cache")
+)

storage/inmap.go

@@ -0,0 +1,60 @@
+package storage
+
+/*
+Copyright 2025 Suyono <suyono3484@gmail.com>
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+import "sync"
+
+type InMap struct {
+	mtx  *sync.Mutex
+	stor map[string]string
+}
+
+func NewInMap() *InMap {
+	return &InMap{
+		mtx:  new(sync.Mutex),
+		stor: make(map[string]string),
+	}
+}
+
+func (i *InMap) Set(key, value string) error {
+	i.mtx.Lock()
+	defer i.mtx.Unlock()
+
+	i.stor[key] = value
+
+	return nil
+}
+
+func (i *InMap) Get(key string) (string, error) {
+	var (
+		val string
+		ok  bool
+	)
+
+	i.mtx.Lock()
+	defer i.mtx.Unlock()
+
+	if val, ok = i.stor[key]; !ok {
+		return "", ErrNotFound
+	}
+
+	return val, nil
+}
+
+func (i *InMap) Shutdown() error {
+	return nil
+}