func (self *Dispatcher) Start() {
ctx := api.NewContext(self.config)
// Work with Server::Stareter
baseListener, err := ss.NewListenerOrDefault("tcp", self.config.Dispatcher.Listen)
if err != nil {
panic(fmt.Sprintf("Failed to listen at %s: %s", self.config.Dispatcher.Listen, err))
}
ctx.Debugf("Listening on %s", baseListener.Addr())
s := manners.NewServer()
l := manners.NewListener(baseListener, s)
err = http.Serve(l, self)
if err != nil {
log.Fatal(
fmt.Sprintf("Error from server's ListenAndServe: %s\n", err),
)
}
}
func NewDrone(config *config.Config) *Drone {
host, err := os.Hostname()
if err != nil {
log.Fatalf("Failed to get hostname: %s", err)
}
pid := os.Getpid()
id := fmt.Sprintf("%s.%d.%d", host, pid, rand.Int31())
return &Drone{
id: id,
ctx: api.NewContext(config),
loop: true,
leader: false,
tasks: nil,
minions: nil,
waiter: &sync.WaitGroup{},
CmdChan: make(chan DroneCmd, 1),
sigchan: make(chan os.Signal, 1),
lastElectionTime: time.Time{},
}
}
func (w *BaseWorker) Run() {
closer := stf.LogMark("[Worker:%s]", w.name)
defer closer()
var configFile string
pwd, err := os.Getwd()
if err != nil {
log.Fatalf("Could not determine current working directory")
}
defaultConfig := path.Join(pwd, "etc", "config.gcfg")
flag.StringVar(
&configFile,
"config",
defaultConfig,
"Path to config file",
)
flag.Parse()
os.Setenv("STF_CONFIG", configFile)
cfg, err := config.BootstrapConfig()
if err != nil {
stf.Debugf("Failed to load config: %s", err)
return
}
w.ctx = api.NewContext(cfg)
w.SendCmd(CmdWorkerSlaveSpawn)
w.MainLoop()
stf.Debugf("Worker exiting")
}
func (self *TestEnv) Setup() {
if home := os.Getenv("STF_HOME"); home != "" {
oldpath := os.Getenv("PATH")
newpath := path.Join(home, "bin")
self.Test.Logf("Adding %s to path", newpath)
os.Setenv("PATH", strings.Join([]string{newpath, oldpath}, ":"))
}
self.createTemporaryDir()
self.startDatabase()
self.startQueue()
self.startMemcached()
self.createTemporaryConfig()
self.startTemporaryStorageServers()
self.startWorkers()
os.Setenv("STF_CONFIG", self.ConfigFile.Name())
config, err := config.BootstrapConfig()
if err != nil {
self.Test.Fatalf("%s", err)
}
self.Ctx = api.NewContext(config)
}
func (self *Dispatcher) ServeHTTP(w http.ResponseWriter, r *http.Request) {
ctx := &DispatcherContext{
api.NewContext(self.config),
w,
r,
}
closer := ctx.LogMark("[%s %s]", r.Method, r.URL.Path)
defer closer()
defer apachelog.NewLoggingWriter(w, r, self.logger).EmitLog()
// Generic catch-all handler
defer func() {
if err := recover(); err != nil {
debug.PrintStack()
ctx.Debugf("Error while serving request: %s", err)
http.Error(w, http.StatusText(500), 500)
}
}()
// First see if we have a proper URL that STF understands
bucketName, objectName, err := parseObjectPath(r.URL.Path)
if err != nil {
http.Error(w, http.StatusText(404), 404)
return
}
ctx.Debugf(
"Parsed bucketName = '%s', objectName = '%s'\n",
bucketName,
objectName,
)
var resp *HTTPResponse
switch r.Method {
case "GET":
resp = self.FetchObject(ctx, bucketName, objectName)
case "DELETE":
if objectName == "" {
resp = self.DeleteBucket(ctx, bucketName)
} else {
resp = self.DeleteObject(ctx, bucketName, objectName)
}
case "PUT":
// If the Content-Length is 0, then attempt to create the
// Bucket Otherwise, try the bucket
if cl := r.ContentLength; cl > 0 {
resp = self.CreateObject(ctx, bucketName, objectName)
} else {
resp = self.CreateBucket(ctx, bucketName, objectName)
}
case "POST":
resp = self.ModifyObject(ctx, bucketName, objectName)
case "MOVE":
dest := r.Header.Get("X-STF-Move-Destination")
if objectName == "" {
resp = self.RenameBucket(ctx, bucketName, dest)
} else {
resp = self.RenameObject(ctx, bucketName, objectName, dest)
}
default:
resp = HTTPMethodNotAllowed
return
}
if resp == nil {
panic("Did not get a response object?!")
}
resp.Write(ctx.ResponseWriter)
}
