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-rw-r--r--examples/chunked_hello_world/README.asciidoc60
-rw-r--r--examples/chunked_hello_world/src/chunked_hello_world_app.erl6
-rw-r--r--examples/chunked_hello_world/src/toppage_handler.erl10
3 files changed, 67 insertions, 9 deletions
diff --git a/examples/chunked_hello_world/README.asciidoc b/examples/chunked_hello_world/README.asciidoc
index 4b4225d..f3e4c2a 100644
--- a/examples/chunked_hello_world/README.asciidoc
+++ b/examples/chunked_hello_world/README.asciidoc
@@ -10,7 +10,7 @@ $ make run
Then point your browser to http://localhost:8080
or use `curl` to see the chunks arriving one at a time every second.
-== Example output
+== HTTP/1.1 example output
[source,bash]
----
@@ -26,3 +26,61 @@ World
Chunked!
curl -i http://localhost:8080 0.01s user 0.00s system 0% cpu 2.015 total
----
+
+== HTTP/2 example output
+
+[source,bash]
+----
+$ nghttp -v http://localhost:8080
+[ 0.000] Connected
+[ 0.000] send SETTINGS frame <length=12, flags=0x00, stream_id=0>
+ (niv=2)
+ [SETTINGS_MAX_CONCURRENT_STREAMS(0x03):100]
+ [SETTINGS_INITIAL_WINDOW_SIZE(0x04):65535]
+[ 0.000] send PRIORITY frame <length=5, flags=0x00, stream_id=3>
+ (dep_stream_id=0, weight=201, exclusive=0)
+[ 0.000] send PRIORITY frame <length=5, flags=0x00, stream_id=5>
+ (dep_stream_id=0, weight=101, exclusive=0)
+[ 0.000] send PRIORITY frame <length=5, flags=0x00, stream_id=7>
+ (dep_stream_id=0, weight=1, exclusive=0)
+[ 0.000] send PRIORITY frame <length=5, flags=0x00, stream_id=9>
+ (dep_stream_id=7, weight=1, exclusive=0)
+[ 0.000] send PRIORITY frame <length=5, flags=0x00, stream_id=11>
+ (dep_stream_id=3, weight=1, exclusive=0)
+[ 0.000] send HEADERS frame <length=38, flags=0x25, stream_id=13>
+ ; 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
+[ 0.006] recv SETTINGS frame <length=0, flags=0x00, stream_id=0>
+ (niv=0)
+[ 0.006] recv SETTINGS frame <length=0, flags=0x01, stream_id=0>
+ ; ACK
+ (niv=0)
+[ 0.006] send SETTINGS frame <length=0, flags=0x01, stream_id=0>
+ ; ACK
+ (niv=0)
+[ 0.010] recv (stream_id=13) :status: 200
+[ 0.010] recv (stream_id=13) date: Mon, 13 Jun 2016 14:16:26 GMT
+[ 0.010] recv (stream_id=13) server: Cowboy
+[ 0.010] recv HEADERS frame <length=32, flags=0x04, stream_id=13>
+ ; END_HEADERS
+ (padlen=0)
+ ; First response header
+Hello
+[ 0.010] recv DATA frame <length=7, flags=0x00, stream_id=13>
+World
+[ 1.012] recv DATA frame <length=7, flags=0x00, stream_id=13>
+Chunked!
+[ 2.013] recv DATA frame <length=10, flags=0x00, stream_id=13>
+[ 2.013] recv DATA frame <length=0, flags=0x01, stream_id=13>
+ ; END_STREAM
+[ 2.013] send GOAWAY frame <length=8, flags=0x00, stream_id=0>
+ (last_stream_id=0, error_code=NO_ERROR(0x00), opaque_data(0)=[])
+----
diff --git a/examples/chunked_hello_world/src/chunked_hello_world_app.erl b/examples/chunked_hello_world/src/chunked_hello_world_app.erl
index 0032d01..fe66908 100644
--- a/examples/chunked_hello_world/src/chunked_hello_world_app.erl
+++ b/examples/chunked_hello_world/src/chunked_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}
+ }),
chunked_hello_world_sup:start_link().
stop(_State) ->
diff --git a/examples/chunked_hello_world/src/toppage_handler.erl b/examples/chunked_hello_world/src/toppage_handler.erl
index cb1d130..22e52b9 100644
--- a/examples/chunked_hello_world/src/toppage_handler.erl
+++ b/examples/chunked_hello_world/src/toppage_handler.erl
@@ -6,10 +6,10 @@
-export([init/2]).
init(Req, Opts) ->
- Req2 = cowboy_req:chunked_reply(200, Req),
- cowboy_req:chunk("Hello\r\n", Req2),
+ cowboy_req:chunked_reply(200, Req),
+ cowboy_req:chunk("Hello\r\n", Req),
timer:sleep(1000),
- cowboy_req:chunk("World\r\n", Req2),
+ cowboy_req:chunk("World\r\n", Req),
timer:sleep(1000),
- cowboy_req:chunk("Chunked!\r\n", Req2),
- {ok, Req2, Opts}.
+ cowboy_req:chunk("Chunked!\r\n", Req),
+ {ok, Req, Opts}.