A presentation at Chicago Roboto in in Chicago, IL, USA by Jake Wharton
Death, Taxes, and HTTP @JesseWilson @JakeWha ! on
You
Your Team
Client
Client
Client Server
Client Server
Server
Client
Client
Server
Client
Server
Round-Trip Time Client Server
RTT Client Server
Client Server
Client Server GET / HTTP/1.1
Client Server GET / HTTP/1.1 HTTP/1.1 200 OK
Client Server GET / HTTP/1.1 HTTP/1.1 200 OK
Client Server GET / HTTP/1.1 HTTP/1.1 200 OK Transpo ! Layer Security
Client Server GET / HTTP/1.1 HTTP/1.1 200 OK TLS
Client Server GET / HTTP/1.1 HTTP/1.1 200 OK TLS
Client Server TLS v1.2
Client Server TLS v1.2 U TLS ?
Client Server TLS v1.2 Ya. Here's my ce ! .
Client Server TLS v1.2 Great. Key is hunter2
Client Server TLS v1.2 I'm ready!
Client Server TLS v1.2 GET / HTTP/1.1
Client Server TLS v1.2 GET / HTTP/1.1 HTTP/1.1 200 OK
Client Server TLS v1.2 w/ session resumption GET / HTTP/1.1 HTTP/1.1 200 OK
GET / HTTP/1.1 HTTP/1.1 200 OK Client Server TLS v1.2 w/ session resumption
Client Server TLS v1.2 w/ session resumption GET / HTTP/1.1 HTTP/1.1 200 OK
3
Client Server TLS v1.3
Client Server TLS v1.3 TLS? Key is hunter2
Client Server TLS v1.3 Ya. Here's my ce ! and key
Client Server TLS v1.3 Let's go!
Client Server TLS v1.3 GET / HTTP/1.1
Client Server TLS v1.3 GET / HTTP/1.1 HTTP/1.1 200 OK
Client Server TLS v1.3 w/ session resumption GET / HTTP/1.1 HTTP/1.1 200 OK
Client Server TLS v1.3 w/ 0-RTT session resumption
Client Server TLS v1.3 w/ 0-RTT session resumption
Client Server TLS v1.3 w/ 0-RTT session resumption GET / HTTP/1.1
Client Server TLS v1.3 w/ 0-RTT session resumption GET / HTTP/1.1
Client Server TLS v1.3 w/ 0-RTT session resumption GET / HTTP/1.1 HTTP/1.1 200 OK
Client Server TLS v1.3 w/ 0-RTT session resumption GET / HTTP/1.1 HTTP/1.1 200 OK
Client Server TLS v1.3 w/ 0-RTT session resumption GET / HTTP/1.1 HTTP/1.1 200 OK
RTT TLS v1.3 w/ 0-RTT session resumption TLS v1.3 w/ session resumption TLS v1.3 TLS v1.2 w/ session resumption TLS v1.2 2 1 1 1 0
OkHttpClient client = new OkHttpClient() ;
Request request = new Request.Builder() .url( "https://twitter.com" ) .build() ; Call call = client.newCall(request) ; Response response = call.execute() ; System. out .println(response.handshake().tlsVersion()) ;
OkHttpClient client = new OkHttpClient();
Request request = new Request.Builder() .url("https://twitter.com ") .build(); Call call = client.newCall(request); Response response = call.execute(); System. out .println( response.handshake().tlsVersion() );
OkHttpClient client = new OkHttpClient();
Request request = new Request.Builder() .url("https://twitter.com ") .build(); Call call = client.newCall(request); Response response = call.execute(); System. out .println( response.handshake().tlsVersion() ); TLS_1_2
HTTP Client Server GET / HTTP/1.1 HTTP/1.1 200 OK
HTTP Client Server GET / HTTP/1.1 HTTP/1.1 200 OK
HTTP Client GET / HTTP/1.1 HTTP/1.1 200 OK Server
HTTP Server GET / HTTP/1.1 HTTP/1.1 200 OK Client
HTTP Server Client GET / Y HTTP/1.1 HTTP/1.1 200 OK
GET / Y HTTP/1.1 Host: square.com:443 User-Agent: okhttp/3.7.0 Accept: application/json Authorization: Basic QWxhZGRpbjpPcGVuU2VzYW1l HTTP/1.1 200 OK Content-Type: application/json Content-Length: 42 E-Tag: "686897696a7c876b7e" Last-Modified: Thu, 20 Apr 2017 12:45:26 GMT
{"id":1234,"amount":4200,"currency":"USD"} HTTP
/ Y /payments.html /profile.html /login.html /settings.html /static/fonts/roboto.ttf /static/js/app.js /static/css/main.css /static/image/logo.png
/ Y /payments.html /profile.html /login.html /settings.html /static/fonts/roboto.ttf /static/js/app.js /static/css/main.css /static/image/logo.png /api/auth /api/user /api/payments /api/payments/1234 /api/settings
Server Client GET /api/payments HTTP/1.1 200 OK
Server Client GET /api/payments HTTP/1.1 200 OK
Server Client GET /api/payments HTTP/1.1 200 OK
Server Client GET /api/payments HTTP/1.1 200 OK
Server Client GET /api/payments HTTP/1.1 200 OK
Server Client GET /api/payments HTTP/1.1 200 OK
Server Client GET /api/payments HTTP/1.1 200 OK
.html
.js .html .js .js .js .js .js .js
.js .html .js .js .js .js .js .js .css .css .css .css
.js .html .js .js .js .js .js .js .png .png .png .png .png .png .png .png .css .css .css .css
.js .html .js .js .js .js .js .js .png .jpg .png .png .jpg .png .png .png .png .png .css .css .css .css
.js .html .js .js .js .js .js .js .png .jpg .png .png .jpg .png .png .png .png .png .css .css .css .css 22 requests
.js .html .png .jpg .png .png .jpg .png .png .png .png .png .css .css .css .css 16 requests .js .js .js .js .js .js
.js .html .png .jpg .png .png .jpg .png .png .png .png .png .css 13 requests .css .css .css
.js .html .jpg .jpg .png .css 6 requests .png .png .png .png .png .png .png
.js .html .jpg .jpg .png .css 6 requests .png .png .png .png .png .png .png
.js .html .jpg .jpg .png .css 1+3+2 requests example.com cdn.example.com images.example.com
.html .js .jpg .jpg .png .css example.com cdn.example.com images.example.com
.js .png .css .html .jpg .jpg example.com cdn.example.com images.example.com
.jpg .jpg .jpg .jpg .jpg .jpg .jpg .jpg .js .html .png .css example.com cdn.example.com images.example.com
.jpg .jpg .jpg .jpg .jpg .jpg .jpg .jpg .js .html .png .css example.com cdn.example.com images.example.com
images1.example.com .jpg .jpg .jpg .jpg .jpg .jpg .jpg .jpg images2.example.com .js .html .png .css example.com cdn.example.com
.js .html .png .css example.com cdn.example.com images1.example.com .jpg .jpg .jpg .jpg .jpg .jpg .jpg .jpg images2.example.com
Server Client GET /api/payments HTTP/1.1 200 OK
/api/payments [ A
1234, 1275, 1690, 2641, 2903, 4991, 5312, 5319, 14328, 28321, 29948, 30991, 37174, 73572 ] B
/api/payments [ A
1234, 1275, 1690, 2641, 2903, 4991, 5312, 5319, 14328, 28321, 29948, 30991, 37174, 73572 ] B /api/payments/{id} { C
id: 1234, amount: 4200, currency: "USD", initiator_id: F 48818374, recipient_id: G 24567654 , initiated_at: 14764993868, completed_at: 14769455213 } ,Z
/api/payments [ A
{ C
id: 1234,
amount: 4200,
currency: "USD",
initiator:
F { id: 48818374, name: "Jake Wharton" }, recipient: G { id: 24567654 , name: "Jesse Wilson" }, initiated_at: 14764993868, completed_at: 14769455213 }, Z
... 1234 /api/payments/{id} 1275 1690, 2641, 2903, 4991, 5312, 5319, 14328, 28321, 29948, 30991, 37174, 73572
HTTP/2 Client Server GET /api/payments HTTP/1.1 200 OK
HTTP/2 Client Server GET /api/payments HTTP/1.1 200 OK
HTTP/2 Client Server GET /api/payments HTTP/1.1 200 OK
HTTP/2 Client Server GET /api/payments HTTP/1.1 200 OK
HTTP/2 Client Server GET /api/payments HTTP/1.1 200 OK
HTTP/2 Client Server GET /api/payments HTTP/1.1 200 OK
HTTP/2 Client Server GET /api/payments HTTP/1.1 200 OK
HTTP/2 Client Server GET /api/payments HTTP/1.1 200 OK
HTTP/2 Client Server GET /api/payments HTTP/1.1 200 OK
HTTP/2 Client Server GET /api/payments HTTP/1.1 200 OK
HTTP/2 Client Server GET /api/payments HTTP/1.1 200 OK
HTTP/2 Client Server GET /api/payments ?last=43163 HTTP/1.1 200 OK
HTTP/2 Client Server GET /api/payments ?last=43163 HTTP/1.1 200 OK
HTTP/2 Client Server GET /api/payments ?last=43163 HTTP/1.1 200 OK
HTTP/2 Client Server GET /api/payments ?last=43163 HTTP/1.1 200 OK
HTTP/2 Client Server GET /api/payments ?last=43163 HTTP/1.1 200 OK
HTTP/1.1 GET /api/payments ?last=43163 HTTP/1.1 200 OK GET /api/payments HTTP/1.1 200 OK HTTP/2
HTTP/1.1 GET /api/payments ?last=43163 HTTP/1.1 200 OK GET /api/payments HTTP/1.1 200 OK HTTP/2 time
GET /
HTTP/1.1 Host: square.com:443 User-Agent: okhttp/3.7.0 Accept: application/json Authorization: Basic QWxhZGRpbjpPcGVuU2VzYW1l HTTP/1.1 200 OK Content-Type: application/json Content-Length: 42 E-Tag: "686897696a7c876b7e" Last-Modified: Thu, 20 Apr 2017 12:45:26 GMT
{"id":1234,"amount":4200,"currency":"USD"} HTTP/1.1 HTTP/2 GET /
HTTP/1.1 Host: square.com:443 User-Agent: okhttp/3.7.0 Accept: application/json Authorization: Basic QWxhZGRpbjpPcGVuU2VzYW1l HTTP/1.1 200 OK Content-Type: application/json Content-Length: 42 E-Tag: "686897696a7c876b7e" Last-Modified: Thu, 20 Apr 2017 12:45:26 GMT
{"id":1234,"amount":4200,"currency":"USD"}
GET /
HTTP/1.1 Host: square.com:443 User-Agent: okhttp/3.7.0 Accept: application/json Authorization: Basic QWxhZGRpbjpPcGVuU2VzYW1l HTTP/1.1 200 OK Content-Type: application/json Content-Length: 42 E-Tag: "686897696a7c876b7e" Last-Modified: Thu, 20 Apr 2017 12:45:26 GMT
{"id":1234,"amount":4200,"currency":"USD"} HTTP/1.1 HTTP/2 GET /
HTTP/1.1 Host: square.com:443 User-Agent: okhttp/3.7.0 Accept: application/json Authorization: Basic QWxhZGRpbjpPcGVuU2VzYW1l HTTP/1.1 200 OK Content-Type: application/json Content-Length: 42 E-Tag: "686897696a7c876b7e" Last-Modified: Thu, 20 Apr 2017 12:45:26 GMT
{"id":1234,"amount":4200,"currency":"USD"}
GET /
HTTP/1.1 Host: square.com:443 User-Agent: okhttp/3.7.0 Accept: application/json Authorization: Basic QWxhZGRpbjpPcGVuU2VzYW1l Client Server HTTP/1.1 200 OK Content-Type: application/json Content-Length: 42 E-Tag: "686897696a7c876b7e" Last-Modified: Thu, 20 Apr 2017 12:45:26 GMT
{"id":1234,"amount":4200,"currency":"USD"}
GET /
HTTP/1.1 Host: square.com:443 User-Agent: okhttp/3.7.0 Accept: application/json Authorization: Basic QWxhZGRpbjpPcGVuU2VzYW1l Client Server HTTP/1.1 200 OK Content-Type: application/json Content-Length: 42 E-Tag: "686897696a7c876b7e" Last-Modified: Thu, 20 Apr 2017 12:45:26 GMT
{"id":1234,"amount":4200,"currency":"USD"}
GET /
HTTP/1.1 Host: square.com:443 User-Agent: okhttp/3.7.0 Accept: application/json Authorization: Basic QWxhZGRpbjpPcGVuU2VzYW1l Client Server HTTP/1.1 200 OK Content-Type: application/json Content-Length: 42 E-Tag: "686897696a7c876b7e" Last-Modified: Thu, 20 Apr 2017 12:45:26 GMT
{"id":1234,"amount":4200,"currency":"USD"} ID: 2 ID: 2
GET /
HTTP/1.1 Host: square.com:443 User-Agent: okhttp/3.7.0 Accept: application/json Authorization: Basic QWxhZGRpbjpPcGVuU2VzYW1l Client Server HTTP/1.1 200 OK Content-Type: application/json Content-Length: 42 E-Tag: "686897696a7c876b7e" Last-Modified: Thu, 20 Apr 2017 12:45:26 GMT
{"id":1234,"amount":4200,"currency":"USD"} ID: 2 ID: 2 GET /api/payments
HTTP/1.1 Host: square.com:443 User-Agent: okhttp/3.7.0 Accept: application/json Authorization: Basic QWxhZGRpbjpPcGVuU2VzYW1l ID: 4
GET /
HTTP/1.1 Host: square.com:443 User-Agent: okhttp/3.7.0 Accept: application/json Authorization: Basic QWxhZGRpbjpPcGVuU2VzYW1l Client Server HTTP/1.1 200 OK Content-Type: application/json Content-Length: 42 E-Tag: "686897696a7c876b7e" Last-Modified: Thu, 20 Apr 2017 12:45:26 GMT
{"id":1234,"amount":4200,"currency":"USD"} ID: 2 ID: 2 GET /api/payments
HTTP/1.1 Host: square.com:443 User-Agent: okhttp/3.7.0 Accept: application/json Authorization: Basic QWxhZGRpbjpPcGVuU2VzYW1l ID: 4
GET /
HTTP/1.1 Host: square.com:443 User-Agent: okhttp/3.7.0 Accept: application/json Authorization: Basic QWxhZGRpbjpPcGVuU2VzYW1l Client Server HTTP/1.1 200 OK Content-Type: application/json Content-Length: 42 E-Tag: "686897696a7c876b7e" Last-Modified: Thu, 20 Apr 2017 12:45:26 GMT
{"id":1234,"amount":4200,"currency":"USD"} ID: 2 ID: 2 GET /api/payments
HTTP/1.1 Host: square.com:443 User-Agent: okhttp/3.7.0 Accept: application/json Authorization: Basic QWxhZGRpbjpPcGVuU2VzYW1l ID: 4
GET /
HTTP/1.1 Host: square.com:443 User-Agent: okhttp/3.7.0 Accept: application/json Authorization: Basic QWxhZGRpbjpPcGVuU2VzYW1l Client Server HTTP/1.1 200 OK Content-Type: application/json Content-Length: 42 E-Tag: "686897696a7c876b7e" Last-Modified: Thu, 20 Apr 2017 12:45:26 GMT
{"id":1234,"amount":4200,"currency":"USD"} ID: 2 ID: 2
GET /
HTTP/1.1 Host: square.com:443 User-Agent: okhttp/3.7.0 Accept: application/json Authorization: Basic QWxhZGRpbjpPcGVuU2VzYW1l Client Server HTTP/1.1 200 OK Content-Type: application/json Content-Length: 42 E-Tag: "686897696a7c876b7e" Last-Modified: Thu, 20 Apr 2017 12:45:26 GMT ID: 2 ID: 2 {"id":1234,"amount":4200,"currency":"USD"} ID: 2
GET /
HTTP/1.1 Host: square.com:443 User-Agent: okhttp/3.7.0 Accept: application/json Authorization: Basic QWxhZGRpbjpPcGVuU2VzYW1l Client Server HTTP/1.1 200 OK Content-Type: application/json Content-Length: 42 E-Tag: "686897696a7c876b7e" Last-Modified: Thu, 20 Apr 2017 12:45:26 GMT ID: 2 ID: 2 {"id":1234,"amount":420 ID: 2 0,"currency":"USD"} ID: 2
GET /
HTTP/1.1 Host: square.com:443 User-Agent: okhttp/3.7.0 Accept: application/json Authorization: Basic QWxhZGRpbjpPcGVuU2VzYW1l Client Server HTTP/1.1 200 OK Content-Type: application/json Content-Length: 42 E-Tag: "686897696a7c876b7e" Last-Modified: Thu, 20 Apr 2017 12:45:26 GMT ID: 2 ID: 2 {"id":1234,"amount":420 ID: 2 [1234,1275,1690,2641,2903,49 ID: 4
GET /
HTTP/1.1 Host: square.com:443 User-Agent: okhttp/3.7.0 Accept: application/json Authorization: Basic QWxhZGRpbjpPcGVuU2VzYW1l Client Server HTTP/1.1 200 OK Content-Type: application/json Content-Length: 42 E-Tag: "686897696a7c876b7e" Last-Modified: Thu, 20 Apr 2017 12:45:26 GMT ID: 2 ID: 2 {"id":1234,"amount":420 ID: 2 0,"currency":"USD"} ID: 2
GET /
HTTP/1.1 Host: square.com:443 User-Agent: okhttp/3.7.0 Accept: application/json Authorization: Basic QWxhZGRpbjpPcGVuU2VzYW1l HTTP/1.1 200 OK Content-Type: application/json Content-Length: 42 E-Tag: "686897696a7c876b7e" Last-Modified: Thu, 20 Apr 2017 12:45:26 GMT ID: 2 ID: 2 ID: 2 GET /api/payments
HTTP/1.1 Host: square.com:443 User-Agent: okhttp/3.7.0 Accept: application/json Authorization: Basic QWxhZGRpbjpPcGVuU2VzYW1l ID: 4 Client Server
GET /
HTTP/1.1 Host: square.com:443 User-Agent: okhttp/3.7.0 Accept: application/json Authorization: Basic QWxhZGRpbjpPcGVuU2VzYW1l HTTP/1.1 200 OK Content-Type: application/json Content-Length: 42 E-Tag: "686897696a7c876b7e" Last-Modified: Thu, 20 Apr 2017 12:45:26 GMT ID: 2 ID: 2 ID: 2 GET /api/payments
HTTP/1.1 Host: square.com:443 User-Agent: okhttp/3.7.0 Accept: application/json Authorization: Basic QWxhZGRpbjpPcGVuU2VzYW1l ID: 4 Client Server
GET / HTTP/1.1 Host: square.com:443 User-Agent: okhttp/3.7.0
Accept: application/json
Authorization: Basic QWxhZGRpbjpPcGVuU2VzYW1l HTTP/1.1 200 OK Content-Type: application/json Content-Length: 42 E-Tag: "686897696a7c876b7e" Last-Modified: Thu, 20 Apr 2017 12:45:26 GMT ID: 2 ID: 2 ID: 2 GET /api/payments HTTP/1.1 Host: square.com:443 User-Agent: okhttp/3.7.0
Accept: application/json
Authorization: Basic QWxhZGRpbjpPcGVuU2VzYW1l ID: 4 Client Server
GET / HTTP/1.1 0x25: square.com:443 User-Agent: okhttp/3.7.0
Accept: application/json
Authorization: Basic QWxhZGRpbjpPcGVuU2VzYW1l HTTP/1.1 200 OK Content-Type: application/json Content-Length: 42 E-Tag: "686897696a7c876b7e" Last-Modified: Thu, 20 Apr 2017 12:45:26 GMT ID: 2 ID: 2 ID: 2 GET /api/payments HTTP/1.1 0x25: square.com:443 User-Agent: okhttp/3.7.0
Accept: application/json
Authorization: Basic QWxhZGRpbjpPcGVuU2VzYW1l ID: 4 Client Server
GET / HTTP/1.1 0x25: square.com:443 0x39: okhttp/3.7.0
Accept: application/json
Authorization: Basic QWxhZGRpbjpPcGVuU2VzYW1l HTTP/1.1 200 OK Content-Type: application/json Content-Length: 42 E-Tag: "686897696a7c876b7e" Last-Modified: Thu, 20 Apr 2017 12:45:26 GMT ID: 2 ID: 2 ID: 2 GET /api/payments HTTP/1.1 0x25: square.com:443 0x39: okhttp/3.7.0
Accept: application/json
Authorization: Basic QWxhZGRpbjpPcGVuU2VzYW1l ID: 4 Client Server
GET / HTTP/1.1 0x25: square.com:443 0x39: okhttp/3.7.0
0x12: application/json
Authorization: Basic QWxhZGRpbjpPcGVuU2VzYW1l HTTP/1.1 200 OK Content-Type: application/json Content-Length: 42 E-Tag: "686897696a7c876b7e" Last-Modified: Thu, 20 Apr 2017 12:45:26 GMT ID: 2 ID: 2 ID: 2 GET /api/payments HTTP/1.1 0x25: square.com:443 0x39: okhttp/3.7.0
0x12: application/json
Authorization: Basic QWxhZGRpbjpPcGVuU2VzYW1l ID: 4 Client Server
GET / HTTP/1.1 0x25: square.com:443 0x39: okhttp/3.7.0
0x12: application/json
0x16: Basic QWxhZGRpbjpPcGVuU2VzYW1l HTTP/1.1 200 OK 0x1E: application/json 0x1B: 42 0x21: "686897696a7c876b7e" 0x2B: Thu, 20 Apr 2017 12:45:26 GMT ID: 2 ID: 2 ID: 2 GET /api/payments HTTP/1.1 0x25: square.com:443 0x39: okhttp/3.7.0
0x12: application/json
0x16: Basic QWxhZGRpbjpPcGVuU2VzYW1l ID: 4 Client Server
GET / HTTP/1.1 0x25: square.com:443 0x39: okhttp/3.7.0 0x12: application/json 0x16: Basic QWxhZGRpbjpPcGVuU2VzYW1l HTTP/1.1 200 OK 0x1E: application/json 0x1B: 42 0x21: "686897696a7c876b7e" 0x2B: Thu, 20 Apr 2017 12:45:26 GMT ID: 2 ID: 2 ID: 2 GET /api/payments HTTP/1.1 0x25: square.com:443 0x39: okhttp/3.7.0 0x12: application/json 0x16: Basic QWxhZGRpbjpPcGVuU2VzYW1l ID: 4 Client Server
GET / HTTP/1.1 0x25: square.com:443 0x39: okhttp/3.7.0 0x12: application/json 0x16: Basic QWxhZGRpbjpPcGVuU2VzYW1l HTTP/1.1 200 OK 0x1E: application/json 0x1B: 42 0x21: "686897696a7c876b7e" 0x2B: Thu, 20 Apr 2017 12:45:26 GMT ID: 2 ID: 2 ID: 2 GET /api/payments HTTP/1.1 0x25: 0x01 0x39: okhttp/3.7.0 0x12: application/json 0x16: Basic QWxhZGRpbjpPcGVuU2VzYW1l ID: 4 Client Server
GET / HTTP/1.1 0x25: square.com:443 0x39: okhttp/3.7.0 0x12: application/json 0x16: Basic QWxhZGRpbjpPcGVuU2VzYW1l HTTP/1.1 200 OK 0x1E: application/json 0x1B: 42 0x21: "686897696a7c876b7e" 0x2B: Thu, 20 Apr 2017 12:45:26 GMT ID: 2 ID: 2 ID: 2 GET /api/payments HTTP/1.1 0x25: 0x01 0x39: 0x02 0x12: application/json 0x16: Basic QWxhZGRpbjpPcGVuU2VzYW1l ID: 4 Client Server
GET / HTTP/1.1 0x25: square.com:443 0x39: okhttp/3.7.0 0x12: application/json 0x16: Basic QWxhZGRpbjpPcGVuU2VzYW1l HTTP/1.1 200 OK 0x1E: application/json 0x1B: 42 0x21: "686897696a7c876b7e" 0x2B: Thu, 20 Apr 2017 12:45:26 GMT ID: 2 ID: 2 ID: 2 GET /api/payments HTTP/1.1 0x25: 0x01 0x39: 0x02 0x12: 0x03 0x16: Basic QWxhZGRpbjpPcGVuU2VzYW1l ID: 4 Client Server
GET / HTTP/1.1 0x25: square.com:443 0x39: okhttp/3.7.0 0x12: application/json 0x16: Basic QWxhZGRpbjpPcGVuU2VzYW1l ID: 2 HTTP/1.1 200 OK 0x1E: application/json 0x1B: 42 0x21: "686897696a7c876b7e" 0x2B: Thu, 20 Apr 2017 12:45:26 GMT ID: 2 ID: 2 GET /api/payments HTTP/1.1 0x25: 0x01 0x39: 0x02 0x12: 0x03 0x16: 0x04 ID: 4 Client Server
GET / HTTP/1.1 0x25: square.com:443 0x39: okhttp/3.7.0 0x12: application/json 0x16: Basic QWxhZGRpbjpPcGVuU2VzYW1l ID: 2 HTTP/1.1 200 OK 0x1E: application/json 0x1B: 42 0x21: "686897696a7c876b7e" 0x2B: Thu, 20 Apr 2017 12:45:26 GMT ID: 2 ID: 2 GET /api/payments HTTP/1.1 0x25: 0x01 0x39: 0x02 0x12: 0x03 0x16: 0x04 ID: 4 Client Server
HTTP/1.1 200 OK 0x1E: application/json 0x1B: 42 0x21: "686897696a7c876b7e" 0x2B: Thu, 20 Apr 2017 12:45:26 GMT ID: 2 {"id":1234,"amount":420 ID: 2 0,"currency":"USD"} ID: 2 GET /api/payments HTTP/1.1 0x25: 0x01 0x39: 0x02 0x12: 0x03 0x16: 0x04 HTTP/1.1 200 OK 0x1E: application/json 0x1B: 471 0x21: "ae7284b30ccc93 " 0x2B: Wed, 19 Apr 2017 09:22:09 GMT ID: 4 Client Server
HTTP/1.1 200 OK 0x1E: application/json 0x1B: 42 0x21: "686897696a7c876b7e" 0x2B: Thu, 20 Apr 2017 12:45:26 GMT ID: 2 {"id":1234,"amount":420 ID: 2 0,"currency":"USD"} ID: 2 GET /api/payments HTTP/1.1 0x25: 0x01 0x39: 0x02 0x12: 0x03 0x16: 0x04 HTTP/1.1 200 OK 0x1E: application/json 0x1B: 471 0x21: "ae7284b30ccc93 " 0x2B: Wed, 19 Apr 2017 09:22:09 GMT ID: 4 Client Server
0x08 0x1E: application/json 0x1B: 42 0x21: "686897696a7c876b7e" 0x2B: Thu, 20 Apr 2017 12:45:26 GMT ID: 2 {"id":1234,"amount":420 ID: 2 0,"currency":"USD"} ID: 2 GET /api/payments HTTP/1.1 0x25: 0x01 0x39: 0x02 0x12: 0x03 0x16: 0x04 0x08 0x1E: application/json 0x1B: 471 0x21: "ae7284b30ccc93 " 0x2B: Wed, 19 Apr 2017 09:22:09 GMT ID: 4 Client Server
0x08 0x1E: application/json 0x1B: 42 0x21: "686897696a7c876b7e" 0x2B: Thu, 20 Apr 2017 12:45:26 GMT ID: 2 {"id":1234,"amount":420 ID: 2 0,"currency":"USD"} ID: 2 GET /api/payments HTTP/1.1 0x25: 0x01 0x39: 0x02 0x12: 0x03 0x16: 0x04 0x08 0x1E: 0x1A 0x1B: 471 0x21: "ae7284b30ccc93 " 0x2B: Wed, 19 Apr 2017 09:22:09 GMT ID: 4 Client Server
0x08 0x1E: application/json 0x1B: 42 0x21: "686897696a7c876b7e" 0x2B: Thu, 20 Apr 2017 12:45:26 GMT ID: 2 {"id":1234,"amount":420 ID: 2 0,"currency":"USD"} ID: 2 GET /api/payments HTTP/1.1 0x25: 0x01 0x39: 0x02 0x12: 0x03 0x16: 0x04 0x08 0x1E: 0x1A 0x1B: 471 0x21: "ae7284b30ccc93 " 0x2B: Wed, 19 Apr 2017 09:22:09 GMT ID: 4 Client Server
Client Server ID: 2 GET / HTTP/1.1 0x25: square.com:443 0x39: okhttp/3.7.0 0x12: application/json 0x16 : Basic QWxhZGRpbjpPcGVuU2VzYW1l ID: 2 0x08 0x1E: application/json 0x1B: 42 0x21: "686897696a7c876b7e" 0x2B: Thu, 20 Apr 2017 12:45:26 GMT ID: 2 {"id":1234,"amount":420 ID: 2 0,"currency":"USD"} ID: 4 GET /api/payments HTTP/1.1 0x25: 0x01 0x39: 0x02 0x12: 0x03 0x16: 0x04 ID: 4 0x08 0x1E: 0x1A 0x1B: 471 0x21: "ae7284b30ccc93 " 0x2B: Wed, 19 Apr 2017 09:22:09 GMT
OkHttpClient client = new OkHttpClient() ;
Request request = new Request.Builder() .url( "https://twitter.com" ) .build() ; Call call = client.newCall(request) ; Response response = call.execute() ; System. out .println(response.protocol()) ;
OkHttpClient client = new OkHttpClient();
Request request = new Request.Builder() .url("https://twitter.com ") .build(); Call call = client.newCall(request); Response response = call.execute(); System. out .println( response.protocol() );
OkHttpClient client = new OkHttpClient();
Request request = new Request.Builder() .url("https://twitter.com ") .build(); Call call = client.newCall(request); Response response = call.execute(); System. out .println( response.protocol() ); h2
Payloads {"id":1234,"amount":4200,"currency":"USD"}
{"id":1234,"amount":4200,"currency":"USD"} JSON
{"id":1234,"amount":4200,"currency":"USD"} JSON message
Payment
{
string
id = 1 ;
int32
amount = 2 ;
Currency
currency = 3 ;
} enum
Currency {
USD = 1 ;
} Protocol Buffers
{"id":1234,"amount":4200,"currency":"USD"} JSON message
Payment
{
string
id = 1 ;
int32
amount = 2 ;
Currency
currency = 3 ;
} enum
Currency {
USD = 1 ;
} Protocol Buffers 1=1234 2=4200 3=1
{"id":1234,"amount":4200,"currency":"USD"} JSON message
Payment
{
string
id = 1 ;
int32
amount = 2 ;
Currency
currency = 3 ;
} enum
Currency {
USD = 1 ;
} Protocol Buffers 1=1234 2=4200 3=1 0104D20210680301
{"id":1234,"amount":4200,"currency":"USD"} JSON message
Payment
{
string
id = 1 ;
int32
amount = 2 ;
Currency
currency = 3 ;
} enum
Currency {
USD = 1 ;
} Protocol Buffers
Y {"id":1234,"amount":4200,"currency":"USD"} Y
Y { "id":1234, "amount":4200, "currency":"USD" } Y
Y {"id":1234,"amount":4200,"currency":"USD"} Y
Y { "id":1234,"amount":4200,"currency":"USD"} Y
Y { " id":1234,"amount":4200,"currency":"USD"} Y
Y { " id " :1234,"amount":4200,"currency":"USD"} Y
Y {"id": 1234,"amount":4200,"currency":"USD"} Y id
Y {"id": 1234,"amount":4200,"currency":"USD"} Y String(id)
Y {"id": 1234,"amount":4200,"currency":"USD"} Y String(id) Map<String, Adapter<?>>
Y {"id": 1234,"amount":4200,"currency":"USD"} Y String(id) Map<String, Adapter<?>> Adapter<Long>
Y {"id": 1234,"amount":4200,"currency":"USD"} Y String(id) Map<String, Adapter<?>> Adapter<Long>
Y {"id": 1234 ,"amount":4200,"currency":"USD"} Y String(id) Map<String, Adapter<?>> Adapter<Long>
Y {"id":1234 ,"amount":4200,"currency":"USD"} Y String(id) Map<String, Adapter<?>> Adapter<Long> 1234L
Y {"id":1234 ,"amount":4200,"currency":"USD"} Y 1234L
Y {"id":1234 , "amount":4200,"currency":"USD"} Y 1234L
Y {"id":1234, " amount":4200,"currency":"USD"} Y 1234L
Y {"id":1234, " amount " :4200,"currency":"USD"} Y 1234L
Y {"id":1234,"amount": 4200,"currency":"USD"} Y 1234L String(amount)
Y {"id":1234,"amount": 4200,"currency":"USD"} Y 1234L String(amount) Map<String, Adapter<?>>
Y {"id":1234,"amount": 4200,"currency":"USD"} Y 1234L String(amount) Map<String, Adapter<?>> Adapter<Long>
Y {"id":1234,"amount": 4200,"currency":"USD"} Y 1234L String(amount) Map<String, Adapter<?>> Adapter<Long>
Y {"id":1234,"amount": 4200 ,"currency":"USD"} Y 1234L String(amount) Map<String, Adapter<?>> Adapter<Long>
Y {"id":1234,"amount":4200 ,"currency":"USD"} Y 1234L String(amount) Map<String, Adapter<?>> Adapter<Long> 4200L
Y {"id":1234,"amount":4200 ,"currency":"USD"} Y 1234L 4200L
Y {"id":1234,"amount":4200 , "currency":"USD"} Y 1234L 4200L
Y {"id":1234,"amount":4200, " currency":"USD"} Y 1234L 4200L
Y {"id":1234,"amount":4200, " currency " :"USD"} Y 1234L 4200L
Y {"id":1234,"amount":4200,"currency": "USD"} Y 1234L String(currency) 4200L
Y {"id":1234,"amount":4200,"currency": "USD"} Y 1234L String(currency) Map<String, Adapter<?>> 4200L
Y {"id":1234,"amount":4200,"currency": "USD"} Y 1234L String(currency) Map<String, Adapter<?>> Adapter<CurrencyCode> 4200L
Y {"id":1234,"amount":4200,"currency": "USD"} Y 1234L String(currency) Map<String, Adapter<?>> Adapter<CurrencyCode> 4200L
Y {"id":1234,"amount":4200,"currency": "USD" } Y 1234L String(currency) Map<String, Adapter<?>> 4200L Adapter<CurrencyCode>
Y {"id":1234,"amount":4200,"currency":"USD" } Y 1234L String(currency) Map<String, Adapter<?>> 4200L 4200L Adapter<CurrencyCode> CurrencyCode.USD
Y {"id":1234,"amount":4200,"currency":"USD" } Y 1234L 4200L CurrencyCode.USD
Y {"id":1234,"amount":4200,"currency":"USD" } Y 1234L 4200L CurrencyCode.USD
Y {"id":1234,"amount":4200,"currency":"USD"} Y 1234L 4200L CurrencyCode.USD
[
Y {"id":1234,"amount":4200,"currency":"USD"}, Y
{"id":1275,"amount":10000,"currency":"USD"}, {"id":1690,"amount":834,"currency":"USD"}, {"id":2641,"amount":2448,"currency":"USD"}, {"id":2903,"amount":11305,"currency":"USD"}, {"id":4991,"amount":566,"currency":"USD"}, {"id":5312,"amount":702,"currency":"USD"}, {"id":5319,"amount":3885,"currency":"USD"}, {"id":14328,"amount":34400,"currency":"USD"}, {"id":28321,"amount":892,"currency":"USD"}, {"id":29948,"amount":2261,"currency":"USD"}, {"id":30991,"amount":6600,"currency":"USD"}, {"id":37174,"amount":939,"currency":"USD"}, {"id":73572,"amount":40000,"currency":"USD"} ]
Y {"id":1234,"amount":4200,"currency":"USD"} Y
Y {"id":1234,"amount":4200,"currency":"USD"} Y ByteString("amount") ByteString("currency") ByteString("id")
Y { "id":1234,"amount":4200,"currency":"USD"} Y ByteString("amount") ByteString("currency") ByteString("id")
Y { " id":1234,"amount":4200,"currency":"USD"} Y ByteString("amount") ByteString("currency") ByteString("id")
Y { " id":1234,"amount":4200,"currency":"USD"} Y ByteString( " amount") ByteString( " currency") ByteString( " id")
Y { "i d":1234,"amount":4200,"currency":"USD"} Y ByteString( " a mount") ByteString( " c urrency") ByteString( "i d")
Y { "i d":1234,"amount":4200,"currency":"USD"} Y ByteString("amount") ByteString("currency") ByteString( "i d")
Y { "id ":1234,"amount":4200,"currency":"USD"} Y ByteString("amount") ByteString("currency") ByteString( "id ")
Y { "id" :1234,"amount":4200,"currency":"USD"} Y ByteString("amount") ByteString("currency") ByteString( "id" )
Y {"id": 1234,"amount":4200,"currency":"USD"} Y ByteString("amount") ByteString("currency") ByteString( "id" ) Adapter<Long> Adapter<CurrencyCode> Adapter<Long>
Y {"id": 1234,"amount":4200,"currency":"USD"} Y ByteString("amount") ByteString("currency") ByteString( "id" ) Adapter<Long> Adapter<CurrencyCode> Adapter<Long>
Y {"id": 1234,"amount":4200,"currency":"USD"} Y ByteString("amount") ByteString("currency") ByteString( "id" ) Adapter<Long> Adapter<CurrencyCode> Adapter<Long>
Y {"id":1234,"amount":4200,"currency":"USD"} Y ByteString("amount") ByteString("currency") ByteString("id") Adapter<Long> Adapter<CurrencyCode> Adapter<Long> Adapter<Payment>
[
Y {"id":1234,"amount":4200,"currency":"USD"}, Y
{"id":1275,"amount":10000,"currency":"USD"}, {"id":1690,"amount":834,"currency":"USD"}, {"id":2641,"amount":2448,"currency":"USD"}, {"id":2903,"amount":11305,"currency":"USD"}, {"id":4991,"amount":566,"currency":"USD"}, {"id":5312,"amount":702,"currency":"USD"}, {"id":5319,"amount":3885,"currency":"USD"}, {"id":14328,"amount":34400,"currency":"USD"}, {"id":28321,"amount":892,"currency":"USD"}, ByteString("amount") ByteString("currency") ByteString("id") Adapter<Long> Adapter<CurrencyCode> Adapter<Long> Adapter<Payment>
github.com/square/moshi
WebSocket Client Server
WebSocket Client Server GET / HTTP/1.1 S prechen sie websocket?
WebSocket Client Server GET / HTTP/1.1 HTTP/1.1 101 ¡ Sí!
WebSocket Client Server GET / HTTP/1.1 HTTP/1.1 101
WebSocket Client Server GET / HTTP/1.1 HTTP/1.1 101
WebSocket Client Server GET / HTTP/1.1 HTTP/1.1 101
Death, Taxes, and HTTP @JesseWilson @JakeWha ! on
‘Tis impossible to be sure of anything but death, taxes, and HTTP. This talk will explore some of the overhead inherent to HTTP and how it can be optimized or eliminated for more efficient networking.
Presented with Jesse Wilson
for free. You
can too.