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Merge pull request #688 from harshavardhana/pr_out_use_errorchannels_only_for_services_not_for_drivers_reduce_them_to_use_simple_functions

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This commit is contained in:
Harshavardhana 2015-06-29 07:02:24 +00:00
commit 63f9647c80
9 changed files with 44 additions and 59 deletions
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6
pkg/api/api_test.go
View File

@ -59,7 +59,7 @@ var _ = Suite(&MySuite{
var _ = Suite(&MySuite{
initDriver: func() (drivers.Driver, string) {
_, _, driver := memory.Start(10000, 3*time.Hour)
driver, _ := memory.NewDriver(10000, 3*time.Hour)
return driver, ""
},
})
@ -69,7 +69,7 @@ var _ = Suite(&MySuite{
root, _ := ioutil.TempDir(os.TempDir(), "minio-api")
var roots []string
roots = append(roots, root)
_, _, driver := donut.Start(roots, 10000, 3*time.Hour)
driver, _ := donut.NewDriver(roots, 10000, 3*time.Hour)
return driver, root
},
})
@ -77,7 +77,7 @@ var _ = Suite(&MySuite{
var _ = Suite(&MySuite{
initDriver: func() (drivers.Driver, string) {
root, _ := ioutil.TempDir(os.TempDir(), "minio-fs-api")
_, _, driver := filesystem.Start(root)
driver, _ := filesystem.NewDriver(root)
return driver, root
},
})

23
pkg/server/httpserver/httpserver.go
View File

@ -44,10 +44,10 @@ func Start(handler http.Handler, config Config) (chan<- string, <-chan error, *S
return ctrlChannel, errorChannel, &server
}
func start(ctrlChannel <-chan string, errorChannel chan<- error,
router http.Handler, config Config, server *Server) {
var err error
func start(ctrlChannel <-chan string, errorChannel chan<- error, router http.Handler, config Config, server *Server) {
defer close(errorChannel)
var err error
// Minio server config
httpServer := &http.Server{
Addr: config.Address,
@ -56,7 +56,10 @@ func start(ctrlChannel <-chan string, errorChannel chan<- error,
}
host, port, err := net.SplitHostPort(config.Address)
errorChannel <- err
if err != nil {
errorChannel <- err
return
}
var hosts []string
switch {
@ -67,9 +70,9 @@ func start(ctrlChannel <-chan string, errorChannel chan<- error,
errorChannel <- err
for _, addr := range addrs {
if addr.Network() == "ip+net" {
h := strings.Split(addr.String(), "/")[0]
if ip := net.ParseIP(h); ip.To4() != nil {
hosts = append(hosts, h)
host := strings.Split(addr.String(), "/")[0]
if ip := net.ParseIP(host); ip.To4() != nil {
hosts = append(hosts, host)
}
}
}
@ -86,6 +89,8 @@ func start(ctrlChannel <-chan string, errorChannel chan<- error,
}
err = httpServer.ListenAndServeTLS(config.CertFile, config.KeyFile)
}
errorChannel <- err
close(errorChannel)
if err != nil {
errorChannel <- err
}
}

9
pkg/server/server.go
View File

@ -42,7 +42,7 @@ type MemoryFactory struct {
// GetStartServerFunc builds memory api server
func (f MemoryFactory) GetStartServerFunc() StartServerFunc {
return func() (chan<- string, <-chan error) {
_, _, driver := memory.Start(f.MaxMemory, f.Expiration)
driver, _ := memory.NewDriver(f.MaxMemory, f.Expiration)
conf := api.Config{RateLimit: f.RateLimit}
conf.SetDriver(driver)
ctrl, status, _ := httpserver.Start(api.HTTPHandler(conf), f.Config)
@ -59,7 +59,7 @@ type FilesystemFactory struct {
// GetStartServerFunc builds memory api server
func (f FilesystemFactory) GetStartServerFunc() StartServerFunc {
return func() (chan<- string, <-chan error) {
_, _, driver := fs.Start(f.Path)
driver, _ := fs.NewDriver(f.Path)
conf := api.Config{RateLimit: f.RateLimit}
conf.SetDriver(driver)
ctrl, status, _ := httpserver.Start(api.HTTPHandler(conf), f.Config)
@ -91,7 +91,10 @@ type DonutFactory struct {
// GetStartServerFunc DonutFactory builds donut api server
func (f DonutFactory) GetStartServerFunc() StartServerFunc {
return func() (chan<- string, <-chan error) {
_, _, driver := donut.Start(f.Paths, f.MaxMemory, f.Expiration)
driver, err := donut.NewDriver(f.Paths, f.MaxMemory, f.Expiration)
if err != nil {
log.Fatalln(err)
}
conf := api.Config{RateLimit: f.RateLimit}
conf.SetDriver(driver)
ctrl, status, _ := httpserver.Start(api.HTTPHandler(conf), f.Config)

24
pkg/storage/drivers/donut/donut.go
View File

@ -101,18 +101,18 @@ func createNodeDiskMap(paths []string) map[string][]string {
return nodes
}
func initialize(d *donutDriver) {
func initialize(d *donutDriver) error {
// Soon to be user configurable, when Management API is available
// we should remove "default" to something which is passed down
// from configuration paramters
var err error
d.donut, err = donut.NewDonut("default", createNodeDiskMap(d.paths))
if err != nil {
panic(iodine.New(err, nil))
return iodine.New(err, nil)
}
buckets, err := d.donut.ListBuckets()
if err != nil {
panic(iodine.New(err, nil))
return iodine.New(err, nil)
}
for bucketName, metadata := range buckets {
d.lock.RLock()
@ -136,13 +136,11 @@ func initialize(d *donutDriver) {
d.storedBuckets[bucketName] = storedBucket
d.lock.Unlock()
}
return nil
}
// Start a single disk subsystem
func Start(paths []string, maxSize uint64, expiration time.Duration) (chan<- string, <-chan error, drivers.Driver) {
ctrlChannel := make(chan string)
errorChannel := make(chan error)
// NewDriver instantiate a donut driver
func NewDriver(paths []string, maxSize uint64, expiration time.Duration) (drivers.Driver, error) {
driver := new(donutDriver)
driver.storedBuckets = make(map[string]storedBucket)
driver.objects = trove.NewCache(maxSize, expiration)
@ -160,14 +158,8 @@ func Start(paths []string, maxSize uint64, expiration time.Duration) (chan<- str
driver.paths = paths
driver.lock = new(sync.RWMutex)
initialize(driver)
go start(ctrlChannel, errorChannel, driver)
return ctrlChannel, errorChannel, driver
}
func start(ctrlChannel <-chan string, errorChannel chan<- error, driver *donutDriver) {
defer close(errorChannel)
err := initialize(driver)
return driver, err
}
func (d donutDriver) expiredObject(a ...interface{}) {

3
pkg/storage/drivers/donut/donut_test.go
View File

@ -40,7 +40,8 @@ func (s *MySuite) TestAPISuite(c *C) {
c.Check(err, IsNil)
storageList = append(storageList, p)
paths = append(paths, p)
_, _, store := Start(paths, 1000000, 3*time.Hour)
store, err := NewDriver(paths, 1000000, 3*time.Hour)
c.Check(err, IsNil)
return store
}
drivers.APITestSuite(c, create)

14
pkg/storage/drivers/fs/fs.go
View File

@ -29,22 +29,14 @@ type fsDriver struct {
multiparts *Multiparts
}
// Start filesystem channel
func Start(root string) (chan<- string, <-chan error, drivers.Driver) {
ctrlChannel := make(chan string)
errorChannel := make(chan error)
// NewDriver instantiate a new filesystem driver
func NewDriver(root string) (drivers.Driver, error) {
fs := new(fsDriver)
fs.root = root
fs.lock = new(sync.Mutex)
// internal related to multiparts
fs.multiparts = new(Multiparts)
fs.multiparts.ActiveSession = make(map[string]*MultipartSession)
go start(ctrlChannel, errorChannel, fs)
return ctrlChannel, errorChannel, fs
}
func start(ctrlChannel <-chan string, errorChannel chan<- error, fs *fsDriver) {
err := os.MkdirAll(fs.root, 0700)
errorChannel <- err
close(errorChannel)
return fs, err
}

3
pkg/storage/drivers/fs/fs_test.go
View File

@ -38,7 +38,8 @@ func (s *MySuite) TestAPISuite(c *C) {
path, err := ioutil.TempDir(os.TempDir(), "minio-fs-")
c.Check(err, IsNil)
storageList = append(storageList, path)
_, _, store := Start(path)
store, err := NewDriver(path)
c.Check(err, IsNil)
return store
}
drivers.APITestSuite(c, create)

18
pkg/storage/drivers/memory/memory.go
View File

@ -64,13 +64,9 @@ const (
totalBuckets = 100
)
// Start memory object server
func Start(maxSize uint64, expiration time.Duration) (chan<- string, <-chan error, drivers.Driver) {
ctrlChannel := make(chan string)
errorChannel := make(chan error)
var memory *memoryDriver
memory = new(memoryDriver)
// NewDriver instantiate a new memory driver
func NewDriver(maxSize uint64, expiration time.Duration) (drivers.Driver, error) {
memory := new(memoryDriver)
memory.storedBuckets = make(map[string]storedBucket)
memory.objects = trove.NewCache(maxSize, expiration)
memory.maxSize = maxSize
@ -83,13 +79,7 @@ func Start(maxSize uint64, expiration time.Duration) (chan<- string, <-chan erro
// set up memory expiration
memory.objects.ExpireObjects(time.Second * 5)
go start(ctrlChannel, errorChannel)
return ctrlChannel, errorChannel, memory
}
func start(ctrlChannel <-chan string, errorChannel chan<- error) {
close(errorChannel)
return memory, nil
}
// GetObject - GET object from memory buffer

3
pkg/storage/drivers/memory/memory_test.go
View File

@ -32,7 +32,8 @@ var _ = Suite(&MySuite{})
func (s *MySuite) TestAPISuite(c *C) {
create := func() drivers.Driver {
_, _, store := Start(1000000, 3*time.Hour)
store, err := NewDriver(1000000, 3*time.Hour)
c.Check(err, IsNil)
return store
}
drivers.APITestSuite(c, create)