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Move memory code out, add it as layer on top of existing donut code

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Just like how http.Handlers can be overlayed on top of each other
with each implementing ServeHTTP().

drivers.Driver can be overlayed on top of each other in similar manner
which would implement the drivers.Driver interface.

   API <----> cache <----> donut <----> donut(format)
This commit is contained in:
Harshavardhana
2015-06-29 20:48:23 -07:00
parent fe3c618cc7
commit 8f61d6b6be
9 changed files with 192 additions and 667 deletions
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26
pkg/server/server.go
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@@ -26,6 +26,8 @@ import (
"github.com/minio/minio/pkg/api/web"
"github.com/minio/minio/pkg/iodine"
"github.com/minio/minio/pkg/server/httpserver"
"github.com/minio/minio/pkg/storage/drivers"
"github.com/minio/minio/pkg/storage/drivers/cache"
"github.com/minio/minio/pkg/storage/drivers/donut"
"github.com/minio/minio/pkg/utils/log"
)
@@ -43,22 +45,30 @@ func (f WebFactory) GetStartServerFunc() StartServerFunc {
}
}
// DonutFactory is used to build donut api server
type DonutFactory struct {
// Factory is used to build api server
type Factory struct {
httpserver.Config
Paths []string
MaxMemory uint64
Expiration time.Duration
}
// GetStartServerFunc DonutFactory builds donut api server
func (f DonutFactory) GetStartServerFunc() StartServerFunc {
// GetStartServerFunc Factory builds api server
func (f Factory) GetStartServerFunc() StartServerFunc {
return func() (chan<- string, <-chan error) {
driver, err := donut.NewDriver(f.Paths, f.MaxMemory, f.Expiration)
if err != nil {
log.Fatalln(err)
}
conf := api.Config{RateLimit: f.RateLimit}
var driver drivers.Driver
var err error
if len(f.Paths) != 0 {
driver, err = donut.NewDriver(f.Paths)
if err != nil {
log.Fatalln(err)
}
driver, err = cache.NewDriver(f.MaxMemory, f.Expiration, driver)
if err != nil {
log.Fatalln(err)
}
}
conf.SetDriver(driver)
ctrl, status, _ := httpserver.Start(api.HTTPHandler(conf), f.Config)
return ctrl, status