(name string, seen []string)
| 374 | } |
| 375 | |
| 376 | func (r *reflectionResolver) cacheFileLocked(name string, seen []string) error { |
| 377 | if _, err := r.cachedFiles.FindFileByPath(name); err == nil { |
| 378 | return nil // already processed this file |
| 379 | } |
| 380 | for i, alreadySeen := range seen { |
| 381 | if name == alreadySeen { |
| 382 | // we've seen this file already which means malformed |
| 383 | // file descriptor protos that have an import cycle |
| 384 | cycle := append(seen[i:], name) |
| 385 | return fmt.Errorf("downloaded files contain an import cycle: %s", strings.Join(cycle, " -> ")) |
| 386 | } |
| 387 | } |
| 388 | |
| 389 | file := r.downloadedProtos[name] |
| 390 | if file == nil { |
| 391 | // download missing file(s) |
| 392 | moreFiles, err := r.fileByNameLocked(name) |
| 393 | if err != nil { |
| 394 | return err |
| 395 | } |
| 396 | for _, newFile := range moreFiles { |
| 397 | r.downloadedProtos[newFile.GetName()] = newFile |
| 398 | if newFile.GetName() == name { |
| 399 | file = newFile |
| 400 | } |
| 401 | } |
| 402 | if file == nil { |
| 403 | return fmt.Errorf("requested file %q but response did not contain it", name) |
| 404 | } |
| 405 | } |
| 406 | |
| 407 | // make sure imports have been downloaded and cached |
| 408 | for _, dep := range file.Dependency { |
| 409 | if err := r.cacheFileLocked(dep, append(seen, name)); err != nil { |
| 410 | return err |
| 411 | } |
| 412 | } |
| 413 | |
| 414 | // now we can create and cache this file |
| 415 | fileDescriptor, err := protodesc.NewFile(file, &r.cachedFiles) |
| 416 | if err != nil { |
| 417 | return err |
| 418 | } |
| 419 | if err := r.cachedFiles.RegisterFile(fileDescriptor); err != nil { |
| 420 | return err |
| 421 | } |
| 422 | registerExtensions(&r.cachedExts, fileDescriptor) |
| 423 | r.printer.Printf("* Server reflection has resolved file %q\n", fileDescriptor.Path()) |
| 424 | return nil |
| 425 | } |
| 426 | |
| 427 | func (r *reflectionResolver) sendLocked(req *reflectionv1.ServerReflectionRequest) (*reflectionv1.ServerReflectionResponse, error) { |
| 428 | stream, isNew := r.getStreamLocked() |
no test coverage detected