Initial commit (code only without large binaries)

EdgeCommon/pkg/serverconfigs/http_cache_storage_file.go

@@ -0,0 +1,47 @@
+package serverconfigs
+
+import "github.com/TeaOSLab/EdgeCommon/pkg/serverconfigs/shared"
+
+type CacheDir struct {
+	Path     string               `yaml:"path" json:"path"`         // 目录
+	Capacity *shared.SizeCapacity `yaml:"capacity" json:"capacity"` // 容量限制 TODO 暂时不实现
+}
+
+// HTTPFileCacheStorage 文件缓存存储策略
+type HTTPFileCacheStorage struct {
+	Dir          string               `yaml:"dir" json:"dir"`                   // 目录
+	MinFreeSize  *shared.SizeCapacity `yaml:"minFreeSize" json:"minFreeSize"`   // 最小剩余空间
+	SubDirs      []*CacheDir          `yaml:"cacheDir" json:"subDirs"`          // 子目录
+	MemoryPolicy *HTTPCachePolicy     `yaml:"memoryPolicy" json:"memoryPolicy"` // 内存二级缓存
+
+	OpenFileCache  *OpenFileCacheConfig `yaml:"openFileCache" json:"openFileCache"`   // open file cache配置
+	EnableSendfile bool                 `yaml:"enableSendFile" json:"enableSendfile"` // 是否启用Sendfile
+
+	EnableMMAP                     bool `yaml:"enableMMAP" json:"enableMMAP"`                                         // 是否启用MMAP
+	EnableIncompletePartialContent bool `yaml:"enableIncompletePartialContent" json:"enableIncompletePartialContent"` // 允许读取未下载完整的Partial Content
+}
+
+func NewHTTPFileCacheStorage() *HTTPFileCacheStorage {
+	return &HTTPFileCacheStorage{
+		EnableMMAP:                     false,
+		EnableIncompletePartialContent: true,
+	}
+}
+
+func (this *HTTPFileCacheStorage) Init() error {
+	if this.OpenFileCache != nil {
+		err := this.OpenFileCache.Init()
+		if err != nil {
+			return err
+		}
+	}
+
+	if this.MemoryPolicy != nil {
+		err := this.MemoryPolicy.Init()
+		if err != nil {
+			return err
+		}
+	}
+
+	return nil
+}