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static file module:make cache file size and cache file numbers configurable

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This commit is contained in:
jianzhiyao 2020-06-02 18:22:47 +08:00
parent 50f71a8a21
commit 690e91e1b6
4 changed files with 32 additions and 10 deletions
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2
admin_test.go
View File

@ -52,6 +52,8 @@ func oldMap() M {
m["BConfig.WebConfig.DirectoryIndex"] = BConfig.WebConfig.DirectoryIndex
m["BConfig.WebConfig.StaticDir"] = BConfig.WebConfig.StaticDir
m["BConfig.WebConfig.StaticExtensionsToGzip"] = BConfig.WebConfig.StaticExtensionsToGzip
m["BConfig.WebConfig.StaticCacheFileSize"] = BConfig.WebConfig.StaticCacheFileSize
m["BConfig.WebConfig.StaticCacheFileNum"] = BConfig.WebConfig.StaticCacheFileNum
m["BConfig.WebConfig.TemplateLeft"] = BConfig.WebConfig.TemplateLeft
m["BConfig.WebConfig.TemplateRight"] = BConfig.WebConfig.TemplateRight
m["BConfig.WebConfig.ViewsPath"] = BConfig.WebConfig.ViewsPath

12
config.go
View File

@ -81,6 +81,8 @@ type WebConfig struct {
DirectoryIndex bool
StaticDir map[string]string
StaticExtensionsToGzip []string
StaticCacheFileSize int
StaticCacheFileNum int
TemplateLeft string
TemplateRight string
ViewsPath string
@ -236,6 +238,8 @@ func newBConfig() *Config {
DirectoryIndex: false,
StaticDir: map[string]string{"/static": "static"},
StaticExtensionsToGzip: []string{".css", ".js"},
StaticCacheFileSize: 1024 * 100,
StaticCacheFileNum: 1000,
TemplateLeft: "{{",
TemplateRight: "}}",
ViewsPath: "views",
@ -317,6 +321,14 @@ func assignConfig(ac config.Configer) error {
}
}
if sfs, err := ac.Int("StaticCacheFileSize"); err == nil {
BConfig.WebConfig.StaticCacheFileSize = sfs
}
if sfn, err := ac.Int("StaticCacheFileNum"); err == nil {
BConfig.WebConfig.StaticCacheFileNum = sfn
}
if lo := ac.String("LogOutputs"); lo != "" {
// if lo is not nil or empty
// means user has set his own LogOutputs

8
config_test.go
View File

@ -115,6 +115,8 @@ func TestAssignConfig_03(t *testing.T) {
ac.Set("RunMode", "online")
ac.Set("StaticDir", "download:down download2:down2")
ac.Set("StaticExtensionsToGzip", ".css,.js,.html,.jpg,.png")
ac.Set("StaticCacheFileSize", "87456")
ac.Set("StaticCacheFileNum", "1254")
assignConfig(ac)
t.Logf("%#v", BConfig)
@ -132,6 +134,12 @@ func TestAssignConfig_03(t *testing.T) {
if BConfig.WebConfig.StaticDir["/download2"] != "down2" {
t.FailNow()
}
if BConfig.WebConfig.StaticCacheFileSize != 87456 {
t.FailNow()
}
if BConfig.WebConfig.StaticCacheFileNum != 1254 {
t.FailNow()
}
if len(BConfig.WebConfig.StaticExtensionsToGzip) != 5 {
t.FailNow()
}

20
staticfile.go
View File

@ -105,19 +105,19 @@ type serveContentReader struct {
*bytes.Reader
}
const (
//max file size to cache,default: 100k
MaxCacheFileSize int = 1024 * 100
//max file count to cache,default: 1000
MaxCacheFileCount int = 1000
)
var (
staticFileLruCache, _ = lru.New(MaxCacheFileCount)
lruLock sync.RWMutex
staticFileLruCache *lru.Cache
lruLock sync.RWMutex
)
func openFile(filePath string, fi os.FileInfo, acceptEncoding string) (bool, string, *serveContentHolder, *serveContentReader, error) {
if staticFileLruCache == nil {
if BConfig.WebConfig.StaticCacheFileNum >= 1 {
staticFileLruCache, _ = lru.New(BConfig.WebConfig.StaticCacheFileNum)
} else {
staticFileLruCache, _ = lru.New(1)
}
}
mapKey := acceptEncoding + ":" + filePath
lruLock.RLock()
var mapFile *serveContentHolder
@ -158,7 +158,7 @@ func openFile(filePath string, fi os.FileInfo, acceptEncoding string) (bool, str
func isOk(s *serveContentHolder, fi os.FileInfo) bool {
if s == nil {
return false
} else if s.size > int64(MaxCacheFileSize) {
} else if s.size > int64(BConfig.WebConfig.StaticCacheFileSize) {
return false
}
return s.modTime == fi.ModTime() && s.originSize == fi.Size()