REST Hello World!

From 4293a40d9e922bc00f25d6c7e328f86e102275a0 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Lo=C3=AFc=20Hoguin?= Date: Thu, 9 Jun 2016 16:33:31 +0200 Subject: Fix rest_hello_world example --- examples/rest_hello_world/README.asciidoc | 230 ++++++++++++++++++++- .../rest_hello_world/src/rest_hello_world_app.erl | 6 +- 2 files changed, 232 insertions(+), 4 deletions(-) (limited to 'examples') diff --git a/examples/rest_hello_world/README.asciidoc b/examples/rest_hello_world/README.asciidoc index 5eb94e8..a9362f1 100644 --- a/examples/rest_hello_world/README.asciidoc +++ b/examples/rest_hello_world/README.asciidoc @@ -9,7 +9,7 @@ $ make run Then point your browser to http://localhost:8080 -== Example output +== HTTP/1.1 example output Request HTML: @@ -79,3 +79,231 @@ date: Fri, 28 Sep 2012 04:18:51 GMT content-length: 0 ---- + +== HTTP/2 example output + +Request HTML: + +[source,bash] +---- +$ nghttp -v http://localhost:8080 +[ 0.000] Connected +[ 0.000] send SETTINGS frame + (niv=2) + [SETTINGS_MAX_CONCURRENT_STREAMS(0x03):100] + [SETTINGS_INITIAL_WINDOW_SIZE(0x04):65535] +[ 0.000] send PRIORITY frame + (dep_stream_id=0, weight=201, exclusive=0) +[ 0.000] send PRIORITY frame + (dep_stream_id=0, weight=101, exclusive=0) +[ 0.000] send PRIORITY frame + (dep_stream_id=0, weight=1, exclusive=0) +[ 0.000] send PRIORITY frame + (dep_stream_id=7, weight=1, exclusive=0) +[ 0.000] send PRIORITY frame + (dep_stream_id=3, weight=1, exclusive=0) +[ 0.000] send HEADERS frame + ; END_STREAM | END_HEADERS | PRIORITY + (padlen=0, dep_stream_id=11, weight=16, exclusive=0) + ; Open new stream + :method: GET + :path: / + :scheme: http + :authority: localhost:8080 + accept: */* + accept-encoding: gzip, deflate + user-agent: nghttp2/1.7.1 +[ 0.000] recv SETTINGS frame + (niv=0) +[ 0.000] send SETTINGS frame + ; ACK + (niv=0) +[ 0.000] recv SETTINGS frame + ; ACK + (niv=0) +[ 0.001] recv (stream_id=13) :status: 200 +[ 0.001] recv (stream_id=13) content-length: 136 +[ 0.001] recv (stream_id=13) content-type: text/html +[ 0.001] recv (stream_id=13) date: Thu, 09 Jun 2016 14:28:50 GMT +[ 0.001] recv (stream_id=13) server: Cowboy +[ 0.001] recv (stream_id=13) vary: accept +[ 0.001] recv HEADERS frame + ; END_HEADERS + (padlen=0) + ; First response header + + + + REST Hello World! + + +

REST Hello World as HTML!

+ +[ 0.001] recv DATA frame + ; END_STREAM +[ 0.001] send GOAWAY frame + (last_stream_id=0, error_code=NO_ERROR(0x00), opaque_data(0)=[]) +---- + +Request JSON: + +[source,bash] +---- +$ nghttp -v -H "accept: application/json" http://localhost:8080 +[ 0.000] Connected +[ 0.000] send SETTINGS frame + (niv=2) + [SETTINGS_MAX_CONCURRENT_STREAMS(0x03):100] + [SETTINGS_INITIAL_WINDOW_SIZE(0x04):65535] +[ 0.000] send PRIORITY frame + (dep_stream_id=0, weight=201, exclusive=0) +[ 0.000] send PRIORITY frame + (dep_stream_id=0, weight=101, exclusive=0) +[ 0.000] send PRIORITY frame + (dep_stream_id=0, weight=1, exclusive=0) +[ 0.000] send PRIORITY frame + (dep_stream_id=7, weight=1, exclusive=0) +[ 0.001] send PRIORITY frame + (dep_stream_id=3, weight=1, exclusive=0) +[ 0.001] send HEADERS frame + ; END_STREAM | END_HEADERS | PRIORITY + (padlen=0, dep_stream_id=11, weight=16, exclusive=0) + ; Open new stream + :method: GET + :path: / + :scheme: http + :authority: localhost:8080 + accept: application/json + accept-encoding: gzip, deflate + user-agent: nghttp2/1.7.1 +[ 0.001] recv SETTINGS frame + (niv=0) +[ 0.001] send SETTINGS frame + ; ACK + (niv=0) +[ 0.001] recv SETTINGS frame + ; ACK + (niv=0) +[ 0.001] recv (stream_id=13) :status: 200 +[ 0.001] recv (stream_id=13) content-length: 24 +[ 0.001] recv (stream_id=13) content-type: application/json +[ 0.001] recv (stream_id=13) date: Thu, 09 Jun 2016 14:29:00 GMT +[ 0.001] recv (stream_id=13) server: Cowboy +[ 0.001] recv (stream_id=13) vary: accept +[ 0.001] recv HEADERS frame + ; END_HEADERS + (padlen=0) + ; First response header +{"rest": "Hello World!"}[ 0.002] recv DATA frame + ; END_STREAM +[ 0.002] send GOAWAY frame + (last_stream_id=0, error_code=NO_ERROR(0x00), opaque_data(0)=[]) +---- + +Request plain text: + +[source,bash] +---- +$ nghttp -v -H "accept: text/plain" http://localhost:8080 +[ 0.000] Connected +[ 0.000] send SETTINGS frame + (niv=2) + [SETTINGS_MAX_CONCURRENT_STREAMS(0x03):100] + [SETTINGS_INITIAL_WINDOW_SIZE(0x04):65535] +[ 0.000] send PRIORITY frame + (dep_stream_id=0, weight=201, exclusive=0) +[ 0.000] send PRIORITY frame + (dep_stream_id=0, weight=101, exclusive=0) +[ 0.000] send PRIORITY frame + (dep_stream_id=0, weight=1, exclusive=0) +[ 0.000] send PRIORITY frame + (dep_stream_id=7, weight=1, exclusive=0) +[ 0.000] send PRIORITY frame + (dep_stream_id=3, weight=1, exclusive=0) +[ 0.000] send HEADERS frame + ; END_STREAM | END_HEADERS | PRIORITY + (padlen=0, dep_stream_id=11, weight=16, exclusive=0) + ; Open new stream + :method: GET + :path: / + :scheme: http + :authority: localhost:8080 + accept: text/plain + accept-encoding: gzip, deflate + user-agent: nghttp2/1.7.1 +[ 0.000] recv SETTINGS frame + (niv=0) +[ 0.000] send SETTINGS frame + ; ACK + (niv=0) +[ 0.000] recv SETTINGS frame + ; ACK + (niv=0) +[ 0.000] recv (stream_id=13) :status: 200 +[ 0.000] recv (stream_id=13) content-length: 25 +[ 0.000] recv (stream_id=13) content-type: text/plain +[ 0.000] recv (stream_id=13) date: Thu, 09 Jun 2016 14:28:25 GMT +[ 0.000] recv (stream_id=13) server: Cowboy +[ 0.000] recv (stream_id=13) vary: accept +[ 0.000] recv HEADERS frame + ; END_HEADERS + (padlen=0) + ; First response header +REST Hello World as text![ 0.000] recv DATA frame + ; END_STREAM +[ 0.000] send GOAWAY frame + (last_stream_id=0, error_code=NO_ERROR(0x00), opaque_data(0)=[]) +---- + +Request a non acceptable content-type: + +[source,bash] +---- +$ nghttp -v -H "accept: text/css" http://localhost:8080 +[ 0.000] Connected +[ 0.000] send SETTINGS frame + (niv=2) + [SETTINGS_MAX_CONCURRENT_STREAMS(0x03):100] + [SETTINGS_INITIAL_WINDOW_SIZE(0x04):65535] +[ 0.000] send PRIORITY frame + (dep_stream_id=0, weight=201, exclusive=0) +[ 0.000] send PRIORITY frame + (dep_stream_id=0, weight=101, exclusive=0) +[ 0.000] send PRIORITY frame + (dep_stream_id=0, weight=1, exclusive=0) +[ 0.000] send PRIORITY frame + (dep_stream_id=7, weight=1, exclusive=0) +[ 0.000] send PRIORITY frame + (dep_stream_id=3, weight=1, exclusive=0) +[ 0.000] send HEADERS frame + ; END_STREAM | END_HEADERS | PRIORITY + (padlen=0, dep_stream_id=11, weight=16, exclusive=0) + ; Open new stream + :method: GET + :path: / + :scheme: http + :authority: localhost:8080 + accept: text/css + accept-encoding: gzip, deflate + user-agent: nghttp2/1.7.1 +[ 0.007] recv SETTINGS frame + (niv=0) +[ 0.007] recv SETTINGS frame + ; ACK + (niv=0) +[ 0.007] send SETTINGS frame + ; ACK + (niv=0) +[ 0.021] recv (stream_id=13) :status: 406 +[ 0.021] recv (stream_id=13) content-length: 0 +[ 0.021] recv (stream_id=13) date: Thu, 09 Jun 2016 14:29:15 GMT +[ 0.021] recv (stream_id=13) server: Cowboy +[ 0.021] recv HEADERS frame + ; END_HEADERS + (padlen=0) + ; First response header +[ 0.021] recv DATA frame + ; END_STREAM +[ 0.021] send GOAWAY frame + (last_stream_id=0, error_code=NO_ERROR(0x00), opaque_data(0)=[]) +---- diff --git a/examples/rest_hello_world/src/rest_hello_world_app.erl b/examples/rest_hello_world/src/rest_hello_world_app.erl index a662c3d..f966029 100644 --- a/examples/rest_hello_world/src/rest_hello_world_app.erl +++ b/examples/rest_hello_world/src/rest_hello_world_app.erl @@ -16,9 +16,9 @@ start(_Type, _Args) -> {"/", toppage_handler, []} ]} ]), - {ok, _} = cowboy:start_http(http, 100, [{port, 8080}], [ - {env, [{dispatch, Dispatch}]} - ]), + {ok, _} = cowboy:start_clear(http, 100, [{port, 8080}], #{ + env => #{dispatch => Dispatch} + }), rest_hello_world_sup:start_link(). stop(_State) -> -- cgit v1.2.3