aboutsummaryrefslogtreecommitdiffstats
path: root/examples/rest_hello_world/README.asciidoc
blob: a9362f1cb5c7a7c3a16579575887ed6b86cd93c2 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
= REST hello world example

To try this example, you need GNU `make` and `git` in your PATH.

To build and run the example, use the following command:

[source,bash]
$ make run

Then point your browser to http://localhost:8080

== HTTP/1.1 example output

Request HTML:

[source,bash]
----
$ curl -i http://localhost:8080
HTTP/1.1 200 OK
connection: keep-alive
server: Cowboy
date: Fri, 28 Sep 2012 04:15:52 GMT
content-length: 136
content-type: text/html
vary: Accept

<html>
<head>
  <meta charset="utf-8">
  <title>REST Hello World!</title>
</head>
<body>
  <p>REST Hello World as HTML!</p>
</body>
</html>
----

Request JSON:

[source,bash]
----
$ curl -i -H "Accept: application/json" http://localhost:8080
HTTP/1.1 200 OK
connection: keep-alive
server: Cowboy
date: Fri, 28 Sep 2012 04:16:46 GMT
content-length: 24
content-type: application/json
vary: Accept

{"rest": "Hello World!"}
----

Request plain text:

[source,bash]
----
$ curl -i -H "Accept: text/plain" http://localhost:8080
HTTP/1.1 200 OK
connection: keep-alive
server: Cowboy
date: Fri, 28 Sep 2012 04:18:35 GMT
content-length: 25
content-type: text/plain
vary: Accept

REST Hello World as text!
----

Request a non acceptable content-type:

[source,bash]
----
$ curl -i -H "Accept: text/css" http://localhost:8080
HTTP/1.1 406 Not Acceptable
connection: keep-alive
server: Cowboy
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 <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
[  0.000] recv SETTINGS frame <length=0, flags=0x00, stream_id=0>
          (niv=0)
[  0.000] send SETTINGS frame <length=0, flags=0x01, stream_id=0>
          ; ACK
          (niv=0)
[  0.000] recv SETTINGS frame <length=0, flags=0x01, stream_id=0>
          ; 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 <length=52, flags=0x04, stream_id=13>
          ; END_HEADERS
          (padlen=0)
          ; First response header
<html>
<head>
	<meta charset="utf-8">
	<title>REST Hello World!</title>
</head>
<body>
	<p>REST Hello World as HTML!</p>
</body>
</html>[  0.001] recv DATA frame <length=136, flags=0x01, stream_id=13>
          ; END_STREAM
[  0.001] send GOAWAY frame <length=8, flags=0x00, stream_id=0>
          (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 <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)
[  0.001] send PRIORITY frame <length=5, flags=0x00, stream_id=11>
          (dep_stream_id=3, weight=1, exclusive=0)
[  0.001] send HEADERS frame <length=46, 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: application/json
          accept-encoding: gzip, deflate
          user-agent: nghttp2/1.7.1
[  0.001] recv SETTINGS frame <length=0, flags=0x00, stream_id=0>
          (niv=0)
[  0.001] send SETTINGS frame <length=0, flags=0x01, stream_id=0>
          ; ACK
          (niv=0)
[  0.001] recv SETTINGS frame <length=0, flags=0x01, stream_id=0>
          ; 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 <length=55, flags=0x04, stream_id=13>
          ; END_HEADERS
          (padlen=0)
          ; First response header
{"rest": "Hello World!"}[  0.002] recv DATA frame <length=24, flags=0x01, stream_id=13>
          ; END_STREAM
[  0.002] send GOAWAY frame <length=8, flags=0x00, stream_id=0>
          (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 <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=42, 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: text/plain
          accept-encoding: gzip, deflate
          user-agent: nghttp2/1.7.1
[  0.000] recv SETTINGS frame <length=0, flags=0x00, stream_id=0>
          (niv=0)
[  0.000] send SETTINGS frame <length=0, flags=0x01, stream_id=0>
          ; ACK
          (niv=0)
[  0.000] recv SETTINGS frame <length=0, flags=0x01, stream_id=0>
          ; 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 <length=51, flags=0x04, stream_id=13>
          ; END_HEADERS
          (padlen=0)
          ; First response header
REST Hello World as text![  0.000] recv DATA frame <length=25, flags=0x01, stream_id=13>
          ; END_STREAM
[  0.000] send GOAWAY frame <length=8, flags=0x00, stream_id=0>
          (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 <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=41, 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: text/css
          accept-encoding: gzip, deflate
          user-agent: nghttp2/1.7.1
[  0.007] recv SETTINGS frame <length=0, flags=0x00, stream_id=0>
          (niv=0)
[  0.007] recv SETTINGS frame <length=0, flags=0x01, stream_id=0>
          ; ACK
          (niv=0)
[  0.007] send SETTINGS frame <length=0, flags=0x01, stream_id=0>
          ; 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 <length=39, flags=0x04, stream_id=13>
          ; END_HEADERS
          (padlen=0)
          ; First response header
[  0.021] recv DATA frame <length=0, flags=0x01, stream_id=13>
          ; END_STREAM
[  0.021] send GOAWAY frame <length=8, flags=0x00, stream_id=0>
          (last_stream_id=0, error_code=NO_ERROR(0x00), opaque_data(0)=[])
----