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Fix and update the compress example to use cowboy_compress_h
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Loïc Hoguin
parent
413196ace1
commit
3c198f7d90
3 changed files with 141 additions and 8 deletions
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@ -1,7 +1,5 @@
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= Compressed response example
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*This example is currently broken on master.*
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To try this example, you need GNU `make` and `git` in your PATH.
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To build and run the example, use the following command:
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@ -11,7 +9,7 @@ $ make run
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Then point your browser to http://localhost:8080
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== Example output
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== HTTP/1.1 example output
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Without compression:
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@ -63,3 +61,138 @@ considerable respect for their achievements. There are also cattle handlers
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in many other parts of the world, particularly South America and Australia,
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who perform work similar to the cowboy in their respective nations.
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----
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== HTTP/2 example output
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Without compression:
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[source,bash]
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----
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$ nghttp -v -H 'accept-encoding: compress' http://localhost:8080
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[ 0.001] Connected
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[ 0.001] send SETTINGS frame <length=12, flags=0x00, stream_id=0>
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(niv=2)
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[SETTINGS_MAX_CONCURRENT_STREAMS(0x03):100]
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[SETTINGS_INITIAL_WINDOW_SIZE(0x04):65535]
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[ 0.001] send PRIORITY frame <length=5, flags=0x00, stream_id=3>
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(dep_stream_id=0, weight=201, exclusive=0)
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[ 0.001] send PRIORITY frame <length=5, flags=0x00, stream_id=5>
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(dep_stream_id=0, weight=101, exclusive=0)
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[ 0.001] send PRIORITY frame <length=5, flags=0x00, stream_id=7>
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(dep_stream_id=0, weight=1, exclusive=0)
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[ 0.001] send PRIORITY frame <length=5, flags=0x00, stream_id=9>
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(dep_stream_id=7, weight=1, exclusive=0)
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[ 0.001] send PRIORITY frame <length=5, flags=0x00, stream_id=11>
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(dep_stream_id=3, weight=1, exclusive=0)
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[ 0.002] send HEADERS frame <length=45, flags=0x25, stream_id=13>
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; END_STREAM | END_HEADERS | PRIORITY
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(padlen=0, dep_stream_id=11, weight=16, exclusive=0)
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; Open new stream
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:method: GET
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:path: /
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:scheme: http
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:authority: localhost:8080
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accept: */*
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accept-encoding: compress
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user-agent: nghttp2/1.18.1
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[ 0.002] recv SETTINGS frame <length=0, flags=0x00, stream_id=0>
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(niv=0)
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[ 0.002] recv SETTINGS frame <length=0, flags=0x01, stream_id=0>
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; ACK
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(niv=0)
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[ 0.002] send SETTINGS frame <length=0, flags=0x01, stream_id=0>
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; ACK
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(niv=0)
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[ 0.003] recv (stream_id=13) :status: 200
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[ 0.003] recv (stream_id=13) content-length: 909
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[ 0.003] recv (stream_id=13) date: Sun, 22 Jan 2017 19:13:47 GMT
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[ 0.003] recv (stream_id=13) server: Cowboy
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[ 0.003] recv HEADERS frame <length=37, flags=0x04, stream_id=13>
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; END_HEADERS
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(padlen=0)
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; First response header
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A cowboy is an animal herder who tends cattle on ranches in North America,
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traditionally on horseback, and often performs a multitude of other ranch-
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related tasks. The historic American cowboy of the late 19th century arose
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from the vaquero traditions of northern Mexico and became a figure of special
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significance and legend. A subtype, called a wrangler, specifically tends the
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horses used to work cattle. In addition to ranch work, some cowboys work for
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or participate in rodeos. Cowgirls, first defined as such in the late 19th
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century, had a less-well documented historical role, but in the modern world
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have established the ability to work at virtually identical tasks and obtained
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considerable respect for their achievements. There are also cattle handlers
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in many other parts of the world, particularly South America and Australia,
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who perform work similar to the cowboy in their respective nations.
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[ 0.003] recv DATA frame <length=909, flags=0x01, stream_id=13>
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; END_STREAM
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[ 0.003] send GOAWAY frame <length=8, flags=0x00, stream_id=0>
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(last_stream_id=0, error_code=NO_ERROR(0x00), opaque_data(0)=[])
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----
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With compression:
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[source,bash]
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----
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$ nghttp -v http://localhost:8080
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[ERROR] Could not connect to the address ::1
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Trying next address 127.0.0.1
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[ 0.000] Connected
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[ 0.000] send SETTINGS frame <length=12, flags=0x00, stream_id=0>
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(niv=2)
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[SETTINGS_MAX_CONCURRENT_STREAMS(0x03):100]
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[SETTINGS_INITIAL_WINDOW_SIZE(0x04):65535]
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[ 0.000] send PRIORITY frame <length=5, flags=0x00, stream_id=3>
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(dep_stream_id=0, weight=201, exclusive=0)
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[ 0.000] send PRIORITY frame <length=5, flags=0x00, stream_id=5>
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(dep_stream_id=0, weight=101, exclusive=0)
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[ 0.000] send PRIORITY frame <length=5, flags=0x00, stream_id=7>
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(dep_stream_id=0, weight=1, exclusive=0)
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[ 0.000] send PRIORITY frame <length=5, flags=0x00, stream_id=9>
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(dep_stream_id=7, weight=1, exclusive=0)
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[ 0.000] send PRIORITY frame <length=5, flags=0x00, stream_id=11>
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(dep_stream_id=3, weight=1, exclusive=0)
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[ 0.000] send HEADERS frame <length=38, flags=0x25, stream_id=13>
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; END_STREAM | END_HEADERS | PRIORITY
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(padlen=0, dep_stream_id=11, weight=16, exclusive=0)
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; Open new stream
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:method: GET
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:path: /
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:scheme: http
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:authority: localhost:8080
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accept: */*
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accept-encoding: gzip, deflate
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user-agent: nghttp2/1.18.1
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[ 0.000] recv SETTINGS frame <length=0, flags=0x00, stream_id=0>
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(niv=0)
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[ 0.000] send SETTINGS frame <length=0, flags=0x01, stream_id=0>
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; ACK
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(niv=0)
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[ 0.000] recv SETTINGS frame <length=0, flags=0x01, stream_id=0>
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; ACK
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(niv=0)
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[ 0.000] recv (stream_id=13) :status: 200
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[ 0.000] recv (stream_id=13) content-encoding: gzip
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[ 0.000] recv (stream_id=13) content-length: 510
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[ 0.000] recv (stream_id=13) date: Sun, 22 Jan 2017 19:15:16 GMT
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[ 0.000] recv (stream_id=13) server: Cowboy
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[ 0.000] recv HEADERS frame <length=41, flags=0x04, stream_id=13>
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; END_HEADERS
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(padlen=0)
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; First response header
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A cowboy is an animal herder who tends cattle on ranches in North America,
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traditionally on horseback, and often performs a multitude of other ranch-
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related tasks. The historic American cowboy of the late 19th century arose
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from the vaquero traditions of northern Mexico and became a figure of special
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significance and legend. A subtype, called a wrangler, specifically tends the
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horses used to work cattle. In addition to ranch work, some cowboys work for
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or participate in rodeos. Cowgirls, first defined as such in the late 19th
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century, had a less-well documented historical role, but in the modern world
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have established the ability to work at virtually identical tasks and obtained
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considerable respect for their achievements. There are also cattle handlers
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in many other parts of the world, particularly South America and Australia,
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who perform work similar to the cowboy in their respective nations.
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[ 0.000] recv DATA frame <length=510, flags=0x01, stream_id=13>
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; END_STREAM
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[ 0.000] send GOAWAY frame <length=8, flags=0x00, stream_id=0>
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(last_stream_id=0, error_code=NO_ERROR(0x00), opaque_data(0)=[])
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----
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@ -16,10 +16,10 @@ start(_Type, _Args) ->
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{"/", toppage_handler, []}
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]}
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]),
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{ok, _} = cowboy:start_http(http, 100, [{port, 8080}], [
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{compress, true},
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{env, [{dispatch, Dispatch}]}
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]),
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{ok, _} = cowboy:start_clear(http, 100, [{port, 8080}], #{
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env => #{dispatch => Dispatch},
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stream_handlers => [cowboy_compress_h, cowboy_stream_h]
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}),
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compress_response_sup:start_link().
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stop(_State) ->
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@ -19,5 +19,5 @@ have established the ability to work at virtually identical tasks and obtained
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considerable respect for their achievements. There are also cattle handlers
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in many other parts of the world, particularly South America and Australia,
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who perform work similar to the cowboy in their respective nations.\n">>,
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Req = cowboy_req:reply(200, [], BigBody, Req0),
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Req = cowboy_req:reply(200, #{}, BigBody, Req0),
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{ok, Req, Opts}.
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