processHeaderBlock decodes accumulated header fragments for the given side
(s *HTTP2StreamState, isOutgoing bool)
| 350 | |
| 351 | // processHeaderBlock decodes accumulated header fragments for the given side |
| 352 | func (sm *DefaultStreamManager) processHeaderBlock(s *HTTP2StreamState, isOutgoing bool) error { |
| 353 | var headerBlock []byte |
| 354 | var fields []hpack.HeaderField |
| 355 | var err error |
| 356 | |
| 357 | if isOutgoing { |
| 358 | if len(s.respHeaderFrags) == 0 { |
| 359 | return nil |
| 360 | } |
| 361 | headerBlock = bytes.Join(s.respHeaderFrags, nil) |
| 362 | s.respHeaderFrags = nil |
| 363 | |
| 364 | fields, err = sm.decoderOut.DecodeFull(headerBlock) |
| 365 | if err != nil { |
| 366 | return fmt.Errorf("failed to decode response headers: %v", err) |
| 367 | } |
| 368 | |
| 369 | h := ProcessHeaders(fields) |
| 370 | |
| 371 | if !s.respHeadersReceived { |
| 372 | // Initial response headers |
| 373 | if s.grpcResp == nil { |
| 374 | s.grpcResp = &models.GrpcResp{} |
| 375 | } |
| 376 | s.grpcResp.Headers = *h |
| 377 | s.respHeadersReceived = true |
| 378 | return nil |
| 379 | } |
| 380 | |
| 381 | // Subsequent headers on response side are trailers |
| 382 | if s.grpcResp == nil { |
| 383 | s.grpcResp = &models.GrpcResp{} |
| 384 | } |
| 385 | s.grpcResp.Trailers = *h |
| 386 | s.respTrailersReceived = true |
| 387 | return nil |
| 388 | |
| 389 | } else { |
| 390 | if len(s.reqHeaderFrags) == 0 { |
| 391 | return nil |
| 392 | } |
| 393 | headerBlock = bytes.Join(s.reqHeaderFrags, nil) |
| 394 | s.reqHeaderFrags = nil |
| 395 | |
| 396 | fields, err = sm.decoderIn.DecodeFull(headerBlock) |
| 397 | if err != nil { |
| 398 | return fmt.Errorf("failed to decode request headers: %v", err) |
| 399 | } |
| 400 | |
| 401 | h := ProcessHeaders(fields) |
| 402 | |
| 403 | // gRPC client rarely sends request trailers; treat first block as headers |
| 404 | if !s.reqHeadersReceived { |
| 405 | if s.grpcReq == nil { |
| 406 | s.grpcReq = &models.GrpcReq{} |
| 407 | } |
| 408 | s.grpcReq.Headers = *h |
| 409 | s.reqHeadersReceived = true |
no test coverage detected