Request in a QUIC way @shibuya.apk#28

Transcript

2. @takusemba https://github.com/TakuSemba
3. QUIC?
4. Quick UDP Internet Connections
5. QUIC
6. Google QUIC https://www.chromium.org/quic
7. QUIC for IETF https://tools.ietf.org/html/draft-hamilton-early-deployment-quic-00
8. Merits
9. Merits ɾConnection establishment latency
10. Connection establishment latency Client Server
11. Connection establishment latency TCP Client Server
12. Connection establishment latency TCP Client Server
13. Connection establishment latency Client Server TCP + TLS
14. Connection establishment latency TCP + TLS Client Server
15. Connection establishment latency TCP + TLS Client Server 1-3 roundtrips
16. Connection establishment latency TCP + TLS Application Data Client Server 1-3 roundtrips
17. Connection establishment latency QUIC Client Server
18. Connection establishment latency QUIC Client Server
19. Connection establishment latency QUIC Client Server 0-1 roundtrips
20. Connection establishment latency QUIC Application Data Client Server 0-1 roundtrips
21. Merits ɾConnection establishment latency
22. Merits ɾConnection establishment latency ɾMultiplexing
23. Multiplexing TCP Client Server
24. Multiplexing TCP Client Server
25. Multiplexing TCP head of line blocking Client Server
26. Multiplexing QUIC stream 1 stream 2 stream 3 Client Server
27. Multiplexing QUIC stream 1 stream 2 stream 3 Client Server
28. Multiplexing QUIC … … stream 1 stream 2 stream 3 Client Server
29. Merits ɾConnection establishment latency ɾMultiplexing
30. Merits ɾConnection establishment latency ɾMultiplexing ɾConnection Migration
31. Connection Migration TCP IP: yyy.yyy.yyy.yyy Port: bb IP: xxx.xxx.xxx.xxx Port: aa Client Server
32. Connection Migration TCP IP: yyy.yyy.yyy.yyy Port: bb IP: zzz.zzz.zzz.zzz Port: cc Client Server
33. Connection Migration QUIC Connection ID: xxxxxx Connection ID: yyyyyy Client Server
34. Connection Migration QUIC Connection ID: xxxxxx Connection ID: yyyyyy Client Server
35. Merits ɾConnection establishment latency ɾMultiplexing ɾConnection Migration
36. Merits ɾConnection establishment latency ɾMultiplexing ɾConnection Migration ɾCongestion Control
37. Merits ɾConnection establishment latency ɾMultiplexing ɾConnection Migration ɾCongestion Control ɾForward Error Correction
38. Cronet
39. https://developer.android.com/guide/topics/connectivity/cronet
40. Quicstart
41. dependencies { implementation "org.chromium.net:cronet-embedded:x.x.x" }
42. val cronetEngine = CronetEngine.Builder(context) .enableHttp2(true) .enableQuic(true) .build() val request = cronetEngine.newUrlRequestBuilder(url, callback, executor) .setHttpMethod("GET") .addHeader("hoge", "huga") .build() request.start()
43. val cronetEngine = CronetEngine.Builder(context) .enableHttp2(true) .enableQuic(true) .build() val request = cronetEngine.newUrlRequestBuilder(url, callback, executor) .setHttpMethod("GET") .addHeader("hoge", "huga") .build() request.start() .enableQuic(true)
44. val cronetEngine = CronetEngine.Builder(context) .enableHttp2(true) .enableQuic(true) .build() val request = cronetEngine.newUrlRequestBuilder(url, callback, executor) .setHttpMethod("GET") .addHeader("hoge", "huga") .build() request.start()
45. val cronetEngine = CronetEngine.Builder(context) .enableHttp2(true) .enableQuic(true) .build() val request = cronetEngine.newUrlRequestBuilder(url, callback, executor) .setHttpMethod("GET") .addHeader("hoge", "huga") .build() request.start() newUrlRequestBuilder(url, callback, executor)
46. val cronetEngine = CronetEngine.Builder(context) .enableHttp2(true) .enableQuic(true) .build() val request = cronetEngine.newUrlRequestBuilder(url, callback, executor) .setHttpMethod("GET") .addHeader("hoge", "huga") .build() request.start() .setHttpMethod("GET") .addHeader("hoge", "huga")
47. val cronetEngine = CronetEngine.Builder(context) .enableHttp2(true) .enableQuic(true) .build() val request = cronetEngine.newUrlRequestBuilder(url, callback, executor) .setHttpMethod("GET") .addHeader("hoge", "huga") .build() request.start()
48. val cronetEngine = CronetEngine.Builder(context) .enableHttp2(true) .enableQuic(true) .build() val request = cronetEngine.newUrlRequestBuilder(url, callback, executor) .setHttpMethod("GET") .addHeader("hoge", "huga") .build() request.start()
49. val cronetEngine = CronetEngine.Builder(context) .enableHttp2(true) .enableQuic(true) .build() val request = cronetEngine.newUrlRequestBuilder(url, callback, executor) .setHttpMethod("GET") .addHeader("hoge", "huga") .build() request.start() callback
50. val callback = object : UrlRequest.Callback() { private val bytesReceived = ByteArrayOutputStream() private val receiveChannel = Channels.newChannel(bytesReceived) override fun onResponseStarted(request: UrlRequest, info: UrlResponseInfo) { // read response request.read(ByteBuffer.allocateDirect(32 * 1024)) } … }
51. val callback = object : UrlRequest.Callback() { private val bytesReceived = ByteArrayOutputStream() private val receiveChannel = Channels.newChannel(bytesReceived) override fun onResponseStarted(request: UrlRequest, info: UrlResponseInfo) { // read response request.read(ByteBuffer.allocateDirect(32 * 1024)) } … } override fun onResponseStarted(request: UrlRequest, info: UrlResponseInfo) { // read response request.read(ByteBuffer.allocateDirect(32 * 1024)) }
52. val callback = object : UrlRequest.Callback() { private val bytesReceived = ByteArrayOutputStream() private val receiveChannel = Channels.newChannel(bytesReceived) override fun onReadCompleted( request: UrlRequest, info: UrlResponseInfo, byteBuffer: ByteBuffer) { // write response byteBuffer.flip() receiveChannel.write(byteBuffer) // read response byteBuffer.clear() request.read(byteBuffer) } … }
53. val callback = object : UrlRequest.Callback() { private val bytesReceived = ByteArrayOutputStream() private val receiveChannel = Channels.newChannel(bytesReceived) override fun onReadCompleted( request: UrlRequest, info: UrlResponseInfo, byteBuffer: ByteBuffer) { // write response byteBuffer.flip() receiveChannel.write(byteBuffer) // read response byteBuffer.clear() request.read(byteBuffer) } … } override fun onReadCompleted( request: UrlRequest, info: UrlResponseInfo, byteBuffer: ByteBuffer) { // write response byteBuffer.flip() receiveChannel.write(byteBuffer) // read response byteBuffer.clear() request.read(byteBuffer) }
54. val callback = object : UrlRequest.Callback() { private val bytesReceived = ByteArrayOutputStream() private val receiveChannel = Channels.newChannel(bytesReceived) override fun onReadCompleted( request: UrlRequest, info: UrlResponseInfo, byteBuffer: ByteBuffer) { // write response byteBuffer.flip() receiveChannel.write(byteBuffer) // read response byteBuffer.clear() request.read(byteBuffer) } … } override fun onReadCompleted( byteBuffer: ByteBuffer
55. val callback = object : UrlRequest.Callback() { private val bytesReceived = ByteArrayOutputStream() private val receiveChannel = Channels.newChannel(bytesReceived) override fun onReadCompleted( request: UrlRequest, info: UrlResponseInfo, byteBuffer: ByteBuffer) { // write response byteBuffer.flip() receiveChannel.write(byteBuffer) // read response byteBuffer.clear() request.read(byteBuffer) } … } private val receiveChannel = Channels.newChannel(bytesReceived) override fun onReadCompleted( request: UrlRequest, info: UrlResponseInfo, byteBuffer: ByteBuffer) { // write response byteBuffer.flip() receiveChannel.write(byteBuffer) }
56. val callback = object : UrlRequest.Callback() { private val bytesReceived = ByteArrayOutputStream() private val receiveChannel = Channels.newChannel(bytesReceived) override fun onReadCompleted( request: UrlRequest, info: UrlResponseInfo, byteBuffer: ByteBuffer) { // write response byteBuffer.flip() receiveChannel.write(byteBuffer) // read response byteBuffer.clear() request.read(byteBuffer) } … } override fun onReadCompleted( request: UrlRequest, info: UrlResponseInfo, byteBuffer: ByteBuffer) { // read response byteBuffer.clear() request.read(byteBuffer) }
57. val callback = object : UrlRequest.Callback() { private val bytesReceived = ByteArrayOutputStream() private val receiveChannel = Channels.newChannel(bytesReceived) override fun onReadCompleted( request: UrlRequest, info: UrlResponseInfo, byteBuffer: ByteBuffer) { // write response byteBuffer.flip() receiveChannel.write(byteBuffer) // read response byteBuffer.clear() request.read(byteBuffer) } … } override fun onReadCompleted( request: UrlRequest, info: UrlResponseInfo, byteBuffer: ByteBuffer) { // write response byteBuffer.flip() receiveChannel.write(byteBuffer) // read response byteBuffer.clear() request.read(byteBuffer) }
58. val callback = object : UrlRequest.Callback() { private val bytesReceived = ByteArrayOutputStream() private val receiveChannel = Channels.newChannel(bytesReceived) override fun onSucceeded(request: UrlRequest, info: UrlResponseInfo) { // succeeded val result = bytesReceived.toByteArray() } … }
59. val callback = object : UrlRequest.Callback() { private val bytesReceived = ByteArrayOutputStream() private val receiveChannel = Channels.newChannel(bytesReceived) override fun onSucceeded(request: UrlRequest, info: UrlResponseInfo) { // succeeded val result = bytesReceived.toByteArray() } … } override fun onSucceeded(request: UrlRequest, info: UrlResponseInfo) { // succeeded val result = bytesReceived.toByteArray() }
60. val callback = object : UrlRequest.Callback() { private val bytesReceived = ByteArrayOutputStream() private val receiveChannel = Channels.newChannel(bytesReceived) override fun onFailed(request: UrlRequest, info: UrlResponseInfo, e: CronetException) { // failed Log.d("CRONET_SAMPLE", "failed: ${e.message}") } … } override fun onFailed(request: UrlRequest, info: UrlResponseInfo, e: CronetException) { // failed Log.d("CRONET_SAMPLE", "failed: ${e.message}") }
61. QUIC for ExoPlayer
62. https://github.com/google/ExoPlayer/tree/release-v2/extensions/cronet
63. Client .m3u8 .mp4 .mp4 .ts OkHttp
64. Client .m3u8 .mp4 .mp4 .ts Cronet
65. OkHttpClient
66. val userAgent = "takusemba" val okHttpClient = OkHttpClient() val transferListener = DefaultBandwidthMeter() val factory = OkHttpDataSourceFactory(okHttpClient, userAgent, transferListener) OkHttpClient
67. val userAgent = "takusemba" val okHttpClient = OkHttpClient() val transferListener = DefaultBandwidthMeter() val factory = OkHttpDataSourceFactory(okHttpClient, userAgent, transferListener) OkHttpClient Cronet
68. val userAgent = "takusemba" val okHttpClient = OkHttpClient() val transferListener = DefaultBandwidthMeter() val factory = OkHttpDataSourceFactory(okHttpClient, userAgent, transferListener) OkHttpClient val userAgent = "takusemba" val cronetEngine = CronetEngine.Builder(context).enableQuic(true).build() val wrapper = CronetEngineWrapper(cronetEngine) val executor = Executors.newSingleThreadExecutor() val predicate = Predicate { contentType: String -> true } val factory = CronetDataSourceFactory(wrapper, executor, predicate, userAgent) Cronet
69. val userAgent = "takusemba" val okHttpClient = OkHttpClient() val transferListener = DefaultBandwidthMeter() val factory = OkHttpDataSourceFactory(okHttpClient, userAgent, transferListener) OkHttpClient val userAgent = "takusemba" val cronetEngine = CronetEngine.Builder(context).enableQuic(true).build() val wrapper = CronetEngineWrapper(cronetEngine) val executor = Executors.newSingleThreadExecutor() val predicate = Predicate { contentType: String -> true } val factory = CronetDataSourceFactory(wrapper, executor, predicate, userAgent) val wrapper = CronetEngineWrapper(cronetEngine) val executor = Executors.newSingleThreadExecutor() val predicate = Predicate { contentType: String -> true } Cronet
70. val userAgent = "takusemba" val okHttpClient = OkHttpClient() val transferListener = DefaultBandwidthMeter() val factory = OkHttpDataSourceFactory(okHttpClient, userAgent, transferListener) OkHttpClient Cronet val userAgent = "takusemba" val cronetEngine = CronetEngine.Builder(context).enableQuic(true).build() val wrapper = CronetEngineWrapper(cronetEngine) val executor = Executors.newSingleThreadExecutor() val predicate = Predicate { contentType: String -> true } val factory = CronetDataSourceFactory(wrapper, executor, predicate, userAgent) val factory = CronetDataSourceFactory(wrapper, executor, predicate, userAgent)
72. https://github.com/TakuSemba/QuicPlayer Sample App
73. https://github.com/takusemba https://twitter.com/takusemba Request in a QUIC way