package main import ( "context" "sort" "strconv" "github.com/fasthttp/router" "github.com/nspcc-dev/neofs-http-gate/downloader" "github.com/nspcc-dev/neofs-http-gate/logger" "github.com/nspcc-dev/neofs-http-gate/neofs" "github.com/nspcc-dev/neofs-http-gate/uploader" "github.com/spf13/viper" "github.com/valyala/fasthttp" "go.uber.org/zap" "google.golang.org/grpc/grpclog" ) type ( app struct { log *zap.Logger plant neofs.ClientPlant cfg *viper.Viper auxiliaryLog logger.Logger webServer *fasthttp.Server jobDone chan struct{} webDone chan struct{} } App interface { Wait() Worker(context.Context) Serve(context.Context) } Option func(a *app) ) func WithLogger(l *zap.Logger) Option { return func(a *app) { if l == nil { return } a.log = l } } func WithConfig(c *viper.Viper) Option { return func(a *app) { if c == nil { return } a.cfg = c } } func newApp(ctx context.Context, opt ...Option) App { a := &app{ log: zap.L(), cfg: viper.GetViper(), webServer: new(fasthttp.Server), jobDone: make(chan struct{}), webDone: make(chan struct{}), } for i := range opt { opt[i](a) } a.auxiliaryLog = logger.GRPC(a.log) if a.cfg.GetBool(cmdVerbose) { grpclog.SetLoggerV2(a.auxiliaryLog) } // conTimeout := a.cfg.GetDuration(cfgConTimeout) // reqTimeout := a.cfg.GetDuration(cfgReqTimeout) // tckTimeout := a.cfg.GetDuration(cfgRebalance) // -- setup FastHTTP server -- a.webServer.Name = "neofs-http-gate" a.webServer.ReadBufferSize = a.cfg.GetInt(cfgWebReadBufferSize) a.webServer.WriteBufferSize = a.cfg.GetInt(cfgWebWriteBufferSize) a.webServer.ReadTimeout = a.cfg.GetDuration(cfgWebReadTimeout) a.webServer.WriteTimeout = a.cfg.GetDuration(cfgWebWriteTimeout) a.webServer.DisableHeaderNamesNormalizing = true a.webServer.NoDefaultServerHeader = true a.webServer.NoDefaultContentType = true a.webServer.MaxRequestBodySize = a.cfg.GetInt(cfgWebMaxRequestBodySize) // -- -- -- -- -- -- FIXME -- -- -- -- -- -- // Does not work with StreamRequestBody, // some bugs with readMultipartForm // https://github.com/valyala/fasthttp/issues/968 a.webServer.DisablePreParseMultipartForm = true a.webServer.StreamRequestBody = a.cfg.GetBool(cfgWebStreamRequestBody) // -- -- -- -- -- -- -- -- -- -- -- -- -- -- var cl neofs.ConnectionList for i := 0; ; i++ { address := a.cfg.GetString(cfgPeers + "." + strconv.Itoa(i) + ".address") weight := a.cfg.GetFloat64(cfgPeers + "." + strconv.Itoa(i) + ".weight") if address == "" { break } cl.Add(address, weight) a.log.Info("add connection", zap.String("address", address), zap.Float64("weight", weight)) } sort.Sort(sort.Reverse(cl)) creds, err := neofs.NewCredentials(a.cfg.GetString(cmdNeoFSKey)) if err != nil { a.log.Fatal("could not get neofs credentials", zap.Error(err)) } a.plant, err = neofs.NewClientPlant(ctx, cl, creds) if err != nil { a.log.Fatal("failed to create neofs client") } return a } func (a *app) Wait() { a.log.Info("starting application") select { case <-a.jobDone: // wait for job is stopped <-a.webDone case <-a.webDone: // wait for web-server is stopped <-a.jobDone } } func (a *app) Worker(ctx context.Context) { close(a.jobDone) } func (a *app) Serve(ctx context.Context) { go func() { <-ctx.Done() a.log.Info("shutting down web server", zap.Error(a.webServer.Shutdown())) close(a.webDone) }() edts := a.cfg.GetBool(cfgUploaderHeaderEnableDefaultTimestamp) uploader := uploader.New(a.log, a.plant, edts) downloader, err := downloader.New(ctx, a.log, a.plant) if err != nil { a.log.Fatal("failed to create downloader", zap.Error(err)) } // Configure router. r := router.New() r.RedirectTrailingSlash = true r.POST("/upload/{cid}", uploader.Upload) a.log.Info("added path /upload/{cid}") r.GET("/get/{cid}/{oid}", downloader.DownloadByAddress) a.log.Info("added path /get/{cid}/{oid}") r.GET("/get_by_attribute/{cid}/{attr_key}/{attr_val:*}", downloader.DownloadByAttribute) a.log.Info("added path /get_by_attribute/{cid}/{attr_key}/{attr_val:*}") // attaching /-/(ready,healthy) // attachHealthy(r, a.pool.Status) // enable metrics if a.cfg.GetBool(cmdMetrics) { a.log.Info("added path /metrics/") attachMetrics(r, a.auxiliaryLog) } // enable pprof if a.cfg.GetBool(cmdPprof) { a.log.Info("added path /debug/pprof/") attachProfiler(r) } bind := a.cfg.GetString(cfgListenAddress) a.log.Info("running web server", zap.String("address", bind)) a.webServer.Handler = r.Handler if err := a.webServer.ListenAndServe(bind); err != nil { a.log.Fatal("could not start server", zap.Error(err)) } }