Strange header set emission in PUSH_PROMISE

[shigeki]

When I accessed to https://http2katanatest.cloudapp.net:8433/root/index.html with my HTTP2 client. I found PUSH_PROMISE was sent from the server and strange header sets were emitted such that duplicated :method are POST/GET and :scheme is http.

My debug log is as below. There might have some inconsistent issues of HPACK header tables between the server and my client.

LOG: 168.63.18.174 Wed Jan 22 2014 23:04:46 GMT+0900 (JST) OnFrameHeader {"length":64,"type":5,"flags":4,"stream_id":1} http_client
LOG: 168.63.18.174 Wed Jan 22 2014 23:04:46 GMT+0900 (JST) OnPUSH_PROMISE {"length":64,"type":5,"flags":4,"stream_id":1,"promised_stre
am_id":2} http_client
HPACK 11937: Decoder.parse, IndexedHeader index: 2
HPACK 11937: Decoder.parse, LiteralHeaderWithIncrementalIndexing(New Name) name: odrhj , value: ujbbhuk9=dkspsgh%h,4
HPACK 11937: Header Set Emission: {"name":"odrhj","value":"ujbbhuk9=dkspsgh%h,4"}
HPACK 11937: Evicted: evicted_common_flag_index_list= []
HPACK 11937: Decoder.parse, LiteralHeaderWithIncrementalIndexing(New Name) name: ormhjbf9hz , value: jhhd2LVb_rhsgh%7kbm8rdd%_sholcca
HPACK 11937: Header Set Emission: {"name":"ormhjbf9hz","value":"jhhd2LVb_rhsgh%7kbm8rdd%_sholcca"}
HPACK 11937: Evicted: evicted_common_flag_index_list= []
HPACK 11937: Decoder.parse, IndexedHeader index: 9
HPACK 11937: Header Set Emission: {"name":":method","value":"POST","type":"static_table"}
HPACK 11937: Evicted: evicted_common_flag_index_list= []
HPACK 11937: Header Set Emission: {"name":":scheme","value":"http","index":4}
HPACK 11937: Header Set Emission: {"name":":path","value":"/root/index.html","index":6}
HPACK 11937: Header Set Emission: {"name":":method","value":"GET","index":7}

[shigeki]

Sorry, let me check again

[shigeki]

The above was my bug for my context. After my bug was fixed, most of headers are fine except :scheme

Here is also the debug message as :scheme is http even I access via https

LOG: 168.63.18.174 Wed Jan 22 2014 23:28:08 GMT+0900 (JST) OnFrameHeader {"length":64,"type":5,"flags":4,"stream_id":1} http_client
LOG: 168.63.18.174 Wed Jan 22 2014 23:28:08 GMT+0900 (JST) OnPUSH_PROMISE {"length":64,"type":5,"flags":4,"stream_id":1,"promised_stre
am_id":2} http_client
HPACK 11994: Decoder.parse, IndexedHeader index: 2
HPACK 11994: Header Set Emission: {"name":":method","value":"GET","type":"static_table"}
HPACK 11994: Evicted: evicted_common_flag_index_list= []
HPACK 11994: Decoder.parse, LiteralHeaderWithIncrementalIndexing(New Name) name: :path , value: /root/simpleTest.txt
HPACK 11994: Header Set Emission: {"name":":path","value":"/root/simpleTest.txt"}
HPACK 11994: Evicted: evicted_common_flag_index_list= []
HPACK 11994: Decoder.parse, LiteralHeaderWithIncrementalIndexing(New Name) name: :authority , value: http2katanatest.cloudapp.net:8443
HPACK 11994: Header Set Emission: {"name":":authority","value":"http2katanatest.cloudapp.net:8443"}
HPACK 11994: Evicted: evicted_common_flag_index_list= []
HPACK 11994: Decoder.parse, IndexedHeader index: 9
HPACK 11994: Header Set Emission: {"name":":scheme","value":"http","type":"static_table"}
HPACK 11994: Evicted: evicted_common_flag_index_list= []

[jeffmendoza]

Are you sending the request as plain http, and using upgrade?

[shigeki]

I'm sending https with ALPN to port 443.

[jeffmendoza]

our code is showing that we should be reusing whatever scheme header is sent with the original request, in this case for /root/index.html

[shigeki]

Do you mean you push http request during https session?

[jeffmendoza]

no, are you sure your :scheme in your request is https and not http?

[shigeki]

OK, I will check my code.

[shigeki]

Sorry, I found my bug checking scheme on my client request. Working fine. Close this. Thanks