refactoring receive file handler: use fasthttp instead echo

This commit is contained in:
Evgeniy Kulikov 2020-02-28 20:03:56 +03:00
parent 437133e280
commit 35e2378afc
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GPG key ID: BF6AEE0A2A699BF2

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@ -9,61 +9,57 @@ import (
"strings"
"time"
"github.com/labstack/echo/v4"
"github.com/nspcc-dev/neofs-api/container"
"github.com/nspcc-dev/neofs-api/object"
"github.com/nspcc-dev/neofs-api/refs"
"github.com/nspcc-dev/neofs-api/service"
"github.com/pkg/errors"
"github.com/valyala/fasthttp"
"go.uber.org/zap"
"google.golang.org/grpc"
)
func (r *router) receiveFile(c echo.Context) error {
func (a *app) receiveFile(c *fasthttp.RequestCtx) {
var (
err error
cid refs.CID
oid refs.ObjectID
obj *object.Object
start = time.Now()
con *grpc.ClientConn
ctx = c.Request().Context()
cli object.Service_GetClient
download = c.QueryParam("download") != ""
ctx context.Context
sCID, _ = c.UserValue("cid").(string)
sOID, _ = c.UserValue("oid").(string)
)
log := r.log.With(
log := a.log.With(
// zap.String("node", con.Target()),
zap.String("cid", c.Param("cid")),
zap.String("oid", c.Param("oid")))
zap.String("cid", sCID),
zap.String("oid", sOID))
if err = cid.Parse(c.Param("cid")); err != nil {
if err = cid.Parse(sCID); err != nil {
log.Error("wrong container id", zap.Error(err))
return echo.NewHTTPError(
http.StatusBadRequest,
errors.Wrap(err, "wrong container id").Error(),
)
} else if err = oid.Parse(c.Param("oid")); err != nil {
c.Error("wrong container id", fasthttp.StatusBadRequest)
return
} else if err = oid.Parse(sOID); err != nil {
log.Error("wrong object id", zap.Error(err))
return echo.NewHTTPError(
http.StatusBadRequest,
errors.Wrap(err, "wrong object id").Error(),
)
c.Error("wrong object id", fasthttp.StatusBadRequest)
return
}
{ // try to connect or throw http error:
ctx, cancel := context.WithTimeout(ctx, r.timeout)
ctx, cancel := context.WithTimeout(c, a.timeout)
defer cancel()
if con, err = r.pool.getConnection(ctx); err != nil {
if con, err = a.pool.getConnection(ctx); err != nil {
log.Error("getConnection timeout", zap.Error(err))
return echo.NewHTTPError(http.StatusBadRequest, err.Error())
c.Error("could not get alive connection", fasthttp.StatusBadRequest)
return
}
}
ctx, cancel := context.WithTimeout(ctx, r.timeout)
ctx, cancel := context.WithTimeout(c, a.timeout)
defer cancel()
log = log.With(zap.String("node", con.Target()))
@ -79,21 +75,18 @@ func (r *router) receiveFile(c echo.Context) error {
req := &object.GetRequest{Address: refs.Address{ObjectID: oid, CID: cid}}
req.SetTTL(service.SingleForwardingTTL)
if err = service.SignRequestHeader(r.key, req); err != nil {
if err = service.SignRequestHeader(a.key, req); err != nil {
log.Error("could not sign request", zap.Error(err))
return echo.NewHTTPError(
http.StatusBadRequest,
errors.Wrap(err, "could not sign request").Error())
c.Error("could not sign request", fasthttp.StatusBadRequest)
return
}
if cli, err = object.NewServiceClient(con).Get(ctx, req); err != nil {
log.Error("could not prepare connection", zap.Error(err))
return echo.NewHTTPError(
http.StatusBadRequest,
errors.Wrap(err, "could not prepare connection").Error(),
)
} else if obj, err = receiveObject(cli); err != nil {
c.Error("could not prepare connection", fasthttp.StatusBadRequest)
return
} else if err = receiveObject(c, cli); err != nil {
log.Error("could not receive object",
zap.Stringer("elapsed", time.Since(start)),
zap.Error(err))
@ -101,52 +94,68 @@ func (r *router) receiveFile(c echo.Context) error {
switch {
case strings.Contains(err.Error(), object.ErrNotFound.Error()),
strings.Contains(err.Error(), container.ErrNotFound.Error()):
return echo.NewHTTPError(http.StatusNotFound, err.Error())
c.Error("object not found", fasthttp.StatusNotFound)
default:
return echo.NewHTTPError(
http.StatusBadRequest,
errors.Wrap(err, "could not receive object").Error(),
)
}
c.Error("could not receive object", fasthttp.StatusBadRequest)
}
log.Info("object fetched successfully")
c.Response().Header().Set("Content-Length", strconv.FormatUint(obj.SystemHeader.PayloadLength, 10))
c.Response().Header().Set("x-object-id", obj.SystemHeader.ID.String())
c.Response().Header().Set("x-owner-id", obj.SystemHeader.OwnerID.String())
c.Response().Header().Set("x-container-id", obj.SystemHeader.CID.String())
for i := range obj.Headers {
if hdr := obj.Headers[i].GetUserHeader(); hdr != nil {
c.Response().Header().Set("x-"+hdr.Key, hdr.Value)
if hdr.Key == object.FilenameHeader && download {
// NOTE: we use path.Base because hdr.Value can be something like `/path/to/filename.ext`
c.Response().Header().Set("Content-Disposition", "attachment; filename="+path.Base(hdr.Value))
return
}
}
}
return c.Blob(http.StatusOK,
http.DetectContentType(obj.Payload),
obj.Payload)
}
func receiveObject(cli object.Service_GetClient) (*object.Object, error) {
var obj *object.Object
func receiveObject(c *fasthttp.RequestCtx, cli object.Service_GetClient) error {
var (
typ string
put = c.Request.URI().QueryArgs().GetBool("download")
)
for {
resp, err := cli.Recv()
if err != nil {
if err == io.EOF {
break
}
return nil, err
} else if obj == nil {
obj = resp.GetObject()
return err
}
obj.Payload = append(obj.Payload, resp.GetChunk()...)
switch o := resp.R.(type) {
case *object.GetResponse_Object:
obj := o.Object
c.Response.Header.Set("Content-Length", strconv.FormatUint(obj.SystemHeader.PayloadLength, 10))
c.Response.Header.Set("x-object-id", obj.SystemHeader.ID.String())
c.Response.Header.Set("x-owner-id", obj.SystemHeader.OwnerID.String())
c.Response.Header.Set("x-container-id", obj.SystemHeader.CID.String())
for i := range obj.Headers {
if hdr := obj.Headers[i].GetUserHeader(); hdr != nil {
c.Response.Header.Set("x-"+hdr.Key, hdr.Value)
if hdr.Key == object.FilenameHeader && put {
// NOTE: we use path.Base because hdr.Value can be something like `/path/to/filename.ext`
c.Response.Header.Set("Content-Disposition", "attachment; filename="+path.Base(hdr.Value))
}
return obj, nil
}
}
typ = http.DetectContentType(obj.Payload)
if _, err = c.Write(obj.Payload); err != nil {
return err
}
case *object.GetResponse_Chunk:
if typ == "" {
typ = http.DetectContentType(o.Chunk)
}
if _, err = c.Write(o.Chunk); err != nil {
return err
}
}
}
c.SetContentType(typ)
return nil
}