Looks like you've got the http headers in place but are missing the five byte message header from grpc in your data stream
On Tue, Apr 18, 2023, 6:48 AM Nikos Skalis <nskalis.a...@gmail.com> wrote: > Hi, > > I am trying to make a gRPC call based on a HTTP2 client to work like it is > described here: > *https://github.com/grpc/grpc/blob/master/doc/PROTOCOL-HTTP2.md > <https://github.com/grpc/grpc/blob/master/doc/PROTOCOL-HTTP2.md>* > > I am using an official example of a gRPC server: > *https://grpc.io/docs/languages/python/quickstart/ > <https://grpc.io/docs/languages/python/quickstart/>* > > Based on *grpcurl*: > > > *% grpcurl -import-path ../../protos -proto helloworld.proto -plaintext -d > '{"name": "niko"}' -H 'Content-Type: application/grpc+json' localhost:50051 > helloworld.Greeter/SayHello*{ > "message": "Hello, niko!" > } > > Based on *nghttp*: > > # json_data = '{"name": "niko"}' > # compressed_flag = 00 > # message_length = 00000010 > # message_binary = 7b226e616d65223a20226e696b6f227d > echo -n '00000000107b226e616d65223a20226e696b6f227d' | xxd -r -p - > frame.bin > > > *% nghttp -H ":method: POST" -H "Content-Type: application/grpc+json" -H > "TE: trailers" --data=frame.bin > http://localhost:50051/helloworld.Greeter/SayHello > <http://localhost:50051/helloworld.Greeter/SayHello> --verbose* > [ 0.004] Connected > [ 0.004] recv SETTINGS frame <length=24, flags=0x00, stream_id=0> > (niv=4) > [SETTINGS_INITIAL_WINDOW_SIZE(0x04):4194304] > [SETTINGS_MAX_FRAME_SIZE(0x05):4194304] > [SETTINGS_MAX_HEADER_LIST_SIZE(0x06):8192] > [UNKNOWN(0xfe03):1] > [ 0.004] recv WINDOW_UPDATE frame <length=4, flags=0x00, stream_id=0> > (window_size_increment=4128769) > [ 0.004] send SETTINGS frame <length=12, flags=0x00, stream_id=0> > (niv=2) > [SETTINGS_MAX_CONCURRENT_STREAMS(0x03):100] > [SETTINGS_INITIAL_WINDOW_SIZE(0x04):65535] > [ 0.004] send SETTINGS frame <length=0, flags=0x01, stream_id=0> > ; ACK > (niv=0) > [ 0.004] send PRIORITY frame <length=5, flags=0x00, stream_id=3> > (dep_stream_id=0, weight=201, exclusive=0) > [ 0.004] send PRIORITY frame <length=5, flags=0x00, stream_id=5> > (dep_stream_id=0, weight=101, exclusive=0) > [ 0.004] send PRIORITY frame <length=5, flags=0x00, stream_id=7> > (dep_stream_id=0, weight=1, exclusive=0) > [ 0.004] send PRIORITY frame <length=5, flags=0x00, stream_id=9> > (dep_stream_id=7, weight=1, exclusive=0) > [ 0.004] send PRIORITY frame <length=5, flags=0x00, stream_id=11> > (dep_stream_id=3, weight=1, exclusive=0) > [ 0.004] send HEADERS frame <length=95, flags=0x24, stream_id=13> > ; END_HEADERS | PRIORITY > (padlen=0, dep_stream_id=11, weight=16, exclusive=0) > ; Open new stream > :method: POST > :path: /helloworld.Greeter/SayHello > :scheme: http > :authority: localhost:50051 > accept: */* > accept-encoding: gzip, deflate > user-agent: nghttp2/1.52.0 > content-length: 21 > content-type: application/grpc+json > te: trailers > [ 0.004] send DATA frame <length=21, flags=0x01, stream_id=13> > ; END_STREAM > [ 0.005] recv SETTINGS frame <length=0, flags=0x01, stream_id=0> > ; ACK > (niv=0) > [ 0.005] recv WINDOW_UPDATE frame <length=4, flags=0x00, stream_id=0> > (window_size_increment=21) > [ 0.005] recv PING frame <length=8, flags=0x00, stream_id=0> > (opaque_data=0000000000000000) > [ 0.005] send PING frame <length=8, flags=0x01, stream_id=0> > ; ACK > (opaque_data=0000000000000000) > [ 0.006] recv (stream_id=13) :status: 200 > [ 0.006] recv (stream_id=13) content-type: application/grpc > [ 0.006] recv (stream_id=13) grpc-status: 13 > [ 0.006] recv (stream_id=13) grpc-message: Exception deserializing > request! > [ 0.006] recv HEADERS frame <length=95, flags=0x05, stream_id=13> > ; END_STREAM | END_HEADERS > (padlen=0) > ; First response header > [ 0.006] send GOAWAY frame <length=8, flags=0x00, stream_id=0> > (last_stream_id=0, error_code=NO_ERROR(0x00), opaque_data(0)=[]) > > The *server* complains in the same way: > > *% python3 greeter_server.py* > Server started, listening on 50051 > ERROR:grpc._common:Exception deserializing message! > Traceback (most recent call last): > File "/Library/Python/3.9/site-packages/grpc/_common.py", line 90, in > _transform > return transformer(message) > google.protobuf.message.DecodeError: Error parsing message > > > Would you be so kind to help me out and advise what I am doing wrong? > > > -- > You received this message because you are subscribed to the Google Groups " > grpc.io" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to grpc-io+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/grpc-io/de08caec-4594-4173-bc74-d84aaaeb9038n%40googlegroups.com > <https://groups.google.com/d/msgid/grpc-io/de08caec-4594-4173-bc74-d84aaaeb9038n%40googlegroups.com?utm_medium=email&utm_source=footer> > . > -- You received this message because you are subscribed to the Google Groups "grpc.io" group. 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smime.p7s
Description: S/MIME Cryptographic Signature
