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t_furu id:t_furu

UDPã«é–¢ã™ã‚‹t_furuã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (15)

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WebRTC-DataChannelä½¿ã£ã¦ã¿ãŸã‚ˆ - blog::wnotes.net
DataChannel APIä½¿ã£ã¦ã¿ãŸã‚ˆ å‰å›žã¨å‰ã€…å›žã§ãƒ¡ãƒ‡ã‚£ã‚¢æŽ¥ç¶šã¨STUNã‚µãƒ¼ãƒæ§‹ç¯‰ã¾ã§ã§ããŸã®ã§ã€DataChannel APIã‚‚è©¦ã—ã¦ã¿ã¾ã—ãŸã€‚ å€‹äººçš„ã«ã¯ä¸€ç•ªä½¿ã„ãŸã‹ã£ãŸAPIã§ã™ãã€‚ã†ã¾ãä½¿ãˆã°WebSocketã«å¤‰ã‚ã‚‹ä¾¿åˆ©ãªä»•çµ„ã¿ã«ãªã‚‹ã‹ã‚‚ã€‚ ãªãŠã€peeræŽ¥ç¶šãªã©ã¯å‰å›žã®ã‚¨ãƒ³ãƒˆãƒªã‚’å‚è€ƒã«ã—ã¦ãã ã•ã„ã€‚ WebRTCã‚’ä»•çµ„ã¿ã‹ã‚‰å®Ÿè£…ã¾ã§ã‚„ã£ã¦ã¿ã‚‹ DataChannel APIã¨ã¯ peerã®æŽ¥ç¶šã‚’åˆ©ç”¨ã—ã¦ã€ãƒ•ã‚¡ã‚¤ãƒ«ãªã©ã®ãƒ‡ãƒ¼ã‚¿ã‚’ç›´æŽ¥é€å—ä¿¡ã§ãã‚‹APIã§ã™ã€‚P2Pã‚‰ã—ã„ã“ã¨ãŒã§ãã¾ã™ãã€‚ DataChannelã¯RTCPeerConnectionã‚¯ãƒ©ã‚¹ã®ã‚¤ãƒ³ã‚¹ã‚¿ãƒ³ã‚¹ãƒ¡ã‚½ãƒƒãƒ‰ã¨ã—ã¦å®šç¾©ã•ã‚Œã¦ã„ã¦ã€ var peer = new webkitRTCPeerConnection(setting); var dataChannel = peer.createDataChannel(
t_furu 2017/04/07
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WebRTC

UDP
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WebRTCã«ã¤ã„ã¦ã®è©±ã‚’ç¤¾å†…å‹‰å¼·ä¼šã§ã—ã¦ããŸã‚’è¦‹ã¦ã€è‡ªåˆ†ã‚‚ä½•ã‹ã‚’æ›¸ã„ã¦ã¿ã‚ˆã†ã‹ã¨æ€ã£ãŸã€‚ä½¿ã„æ–¹ã‚„APIã®è©³ç´°ã«ã¤ã„ã¦æ›¸ã‹ã‚ŒãŸè¨˜äº‹ã¯å¤šã„ãŒã€å¤§å±€çš„ãªè©±é¡Œã‚’æ›¸ã„ãŸè¨˜äº‹ã¯ã‚ã¾ã‚Šè¦‹ã‹ã‘ãªã„ã®ã§ã€ãã®ã‚ˆã†ãªè¦³ç‚¹ã‹ã‚‰å…¬çŸ¥ã«ãªã£ã¦ã„ã‚‹æƒ…å ±ã‚’ä¸å¿ƒã«æ›¸ã„ã¦ã„ã“ã†ã¨æ€ã†ã€‚ ã™ã‚‹è©± åƒ•ã®WebRTCã®è§£é‡ˆ æ—¢å˜ã®é€šä¿¡æŠ€è¡“ã¨ã®é•ã„ WebRTCã®ã‚·ã‚°ãƒŠãƒªãƒ³ã‚°ã®ç‰¹å¾´ç‚¹ ä»Šã®WebRTCã®æƒ…å ±æº ä»Šã®WebRTCã®å¦¥å½“ãªä½¿ã„é“ ã—ãªã„è©± VoIPãƒ‡ãƒã‚¤ã‚¹ã¨ã®ç›¸äº’æŽ¥ç¶šã®ã—ã‹ãŸ åŠ¹æžœçš„ãªä½¿ã„æ–¹ åŠ¹æžœçš„ãªã‚³ãƒ¼ãƒ‰ ã¨ã¦ã‚‚é•·ã„æœ¬æ–‡ WebRTCã¨ã¯ä½•ã‹ã¨ã„ãˆã°ã€ãŸã¨ãˆã°HTML5å‘¨è¾ºæŠ€è¡“ã§ã‚ã‚‹ã¨ã‹æ§˜ã€…ãªè¦‹æ–¹ãŒã‚ã‚‹ãŒã€åƒ•ã¯ãƒ†ãƒ¬ãƒ•ã‚©ãƒ‹ãƒ¼ã®ä¸–ç•Œæ„Ÿã‚’Webãƒ–ãƒ©ã‚¦ã‚¶ä¸Šã«ç§»æ®–ã—ãŸãƒ•ãƒ¬ãƒ¼ãƒ ãƒ¯ãƒ¼ã‚¯ã ã¨èªè˜ã—ã¦ã„ã‚‹ã€‚WebRTCã¯ã€ã‚µãƒ¼ãƒã¨ã‚¯ãƒ©ã‚¤ã‚¢ãƒ³ãƒˆã‹ã‚‰ãªã‚‹ä¸‰è§’å½¢æ§‹é€ ã‚ã‚‹ã„ã¯å°å½¢æ§‹é€ ã‚’æ§‹æˆã™ã‚‹ã€‚ ãã‚Œã‚‰ã¯ã€ã‹ã¤ã¦ã®IPé›»è©±ã®ãƒ—ãƒãƒˆã‚³ãƒ«ã§ã‚ã‚‹
t_furu 2016/02/01
WebRTC

SIP

VoIP

TURN

UDP
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IPé›»è©±ã¨ã¯ - RTPã¨ã¯
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t_furu 2016/01/03
RTP

UDP

VoIP
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P2P UDP connection with STUN
t_furu 2016/01/03
UDP

STUN

NAT

iOS
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WebRTCã‚’å®Ÿç¾ã™ã‚‹ãŸã‚ã«STUNã ã‘ã§ãªãTURNã‚‚å¿…è¦ãªç†ç”± - Tomoâ€™s HotLine
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t_furu 2015/12/21
TURN

WebRTC

UDP

NAT

STUN
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node.jsã§UDPã‚µãƒ¼ãƒãƒ¼ã‚’ä½œã‚‹1 â€“ ãªã‚“ã¦ã“ã£ãŸã„
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t_furu 2015/12/10
å¾Œã§è©¦ã™

node

javascript

UDP
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java - Using both UDP and TCP for a single client with Netty - Stack Overflow
t_furu 2015/12/08
natty ã‚µãƒ³ãƒ—ãƒ«

natty

TCP

UDP
ãƒªãƒ³ã‚¯
"JSTUN" - Java Simple Traversal of User Datagram Protocol (UDP) Through Network Address Translation (NAT)
"JSTUN" - Java Simple Traversal of User Datagram Protocol (UDP) Through Network Address Translation (NAT) (by Thomas King - king[at]t-king.de - http://www.t-king.de) What is "JSTUN"? "JSTUN" is a Java-based STUN (Simple Traversal of User Datagram Protocol (UDP) Through Network Address Translation (NAT)) implementation. STUN provides a mean for applications to discover the presence and type of fire
t_furu 2015/11/24
NATè¶…ãˆ STUN ã® javaã‚µãƒ³ãƒ—ãƒ«å®Ÿè£…ã¨ãƒ©ã‚¤ãƒ–ãƒ©ãƒª

java

STUN

UDP

NAT
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3. NATè¶Šãˆã®æŠ€è¡“ â€” ã‚ã‚Šãˆã‚‹ãˆã‚Šã‚
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t_furu 2015/11/24
STUN

NATè¶Šãˆ

p2p

udp

tcp
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UDP hole punchingã®å®Ÿè£…ã‚’ã—ã¦ã¿ã‚‹ - ELECTLOGIC
ãƒ©ã‚¸ã‚³ãƒ³ã‚’LTEå›žç·šã‚’ä½¿ã£ã¦åˆ¶å¾¡ã§ããŸã‚‰é¢ç™½ãã†ã ãªã¨æ€ã„ã„ã‚ã„ã‚èª¿ã¹ã¦ã‚‹ã€‚ BeagleBone Blackã¨L-03Dã‚’çµ„ã¿åˆã‚ã›ã¦L-03Dã«IIJmioã®IIJ BIC SIMã‚’å·®ã›ã°ã‚¤ãƒ³ã‚¿ãƒ¼ãƒãƒƒãƒˆçµŒç”±ã§BeagleBone Blackã‚’é éš”æ“ä½œã‚’ã™ã‚‹äº‹ãŒå‡ºæ¥ã‚‹ã¯ãšã§ã™ã€‚ã‚ã¨ã¯BeagleBone Blackã‚’ãƒ©ã‚¸ã‚³ãƒ³ã«è¼‰ã›ã‚Œã°ãƒ©ã‚¸ã‚³ãƒ³ã‚’ã‚¤ãƒ³ã‚¿ãƒ¼ãƒãƒƒãƒˆã‚’çµŒç”±ã§é éš”æ“ä½œã§ãã¾ã™ã€‚ã—ã‹ã—ã“ã‚Œã«ã¯ä¸€ã¤å•é¡ŒãŒã‚ã‚Šã¾ã™ã€‚ãã®å•é¡Œã¨ã¯IIJmioã®simã‚’ä½¿ç”¨ã—ãŸå ´åˆBeagleBone Blackã«å‰²ã‚ŠæŒ¯ã‚‰ã‚Œã‚‹IPv4ã‚¢ãƒ‰ãƒ¬ã‚¹ãŒãƒ—ãƒ©ã‚¤ãƒ™ãƒ¼ãƒˆIPã‚¢ãƒ‰ãƒ¬ã‚¹ã¨ãªã£ã¦ã—ã¾ã†äº‹ã§ã™ã€‚ãƒ—ãƒ©ã‚¤ãƒ™ãƒ¼ãƒˆIPv4ã‚¢ãƒ‰ãƒ¬ã‚¹ãŒå‰²ã‚ŠæŒ¯ã‚‰ã‚ŒãŸã¨ã„ã†äº‹ã¯BeagleBone Blackã«å‰²ã‚ŠæŒ¯ã‚‰ã‚ŒãŸIPv4ã‚¢ãƒ‰ãƒ¬ã‚¹ãŒåˆ†ã‹ã£ãŸã¨ã“ã‚ã§ã‚¤ãƒ³ã‚¿ãƒ¼ãƒãƒƒãƒˆå´ã‹ã‚‰ã®é€šä¿¡ã¯IIJmioã®NATã«é˜»ã¾ã‚Œã¦BeagleBone Black
t_furu 2015/11/23
RasPi

UDP
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UDP hole punchingã«ã¤ã„ã¦
ãã‚ãã‚ã€ã‚„ã‚‹ã‚„ã‚‹ã¨è¨€ã£ã¦å¾Œå›žã—ã«ã—ã¦ããŸäº‹ã‚’æ›¸ã„ã¦ã„ã“ã†ã‹ã¨æ€ã„ã¾ã™ã‚ˆï½ž ã¾ãšã¯ã€UDP hole punchingã«ã¤ã„ã¦ã§ã™ UDP hole punchingã¨ã¯èªã‚“ã§å—ã®ã”ã¨ã UDPã§ç©´ã‚’ãƒ‘ãƒ³ãƒã—ã¾ã™ï½—ï½— ã‚ã‹ã‚Šã¾ã›ã‚“ãç¬‘ é †ã‚’ãŠã£ã¦è©±ã‚’ã—ã¾ã—ã‚‡ã† ãŸã ã€è‡ªåˆ†ã‚‚å‹‰å¼·ä¸ã®èº«ã§ã‚ã‚‹ã®ã§è§£é‡ˆã«é–“é•ã„ãŒã‚ã‚‹ã‹ã‚‚ã—ã‚Œã¾ã›ã‚“ å¤šãã®æ–¹ãŒãƒ«ãƒ¼ã‚¿ã‚’ä½¿ç”¨ã—ã¦ãƒãƒƒãƒˆã«æŽ¥ç¶šã—ã¦ã„ã‚‹ã®ã§ã¯ãªã„ã§ã—ã‚‡ã†ã‹ï¼Ÿ é›‘ãªå›³ã§ã™ãŒãƒ«ãƒ¼ã‚¿ã‚’ä½¿ç”¨ã—ã¦ã„ã‚‹å ´åˆã®å›³ã«ãªã‚Šã¾ã™ ãã†ã™ã‚‹ã¨å›³ã®ã‚ˆã†ã«ï¼°ï¼£ï¼‘å°ã”ã¨ã«ãƒ—ãƒ©ã‚¤ãƒ™ãƒ¼ãƒˆï¼©ï¼°ã‚¢ãƒ‰ãƒ¬ã‚¹ãŒå‰²ã‚ŠæŒ¯ã‚‰ã‚Œã‚‹ã®ãŒã‚ã‹ã‚Šã¾ã™ ï¼ˆå›³ã ã¨é€†ã«ã‚ã‹ã‚Šã«ãã„ã‹ã‚‚ï½—ï¼‰ ã‚°ãƒãƒ¼ãƒãƒ«ï¼©ï¼°ã‚¢ãƒ‰ãƒ¬ã‚¹ã¯ãƒ«ãƒ¼ã‚¿ã‚’æŒ‡ã—ã¾ã™ ã™ã‚‹ã¨ã“ã“ã§å•é¡ŒãŒèµ·ãã¾ã™ ãã‚Œã¯ã€ä½•å›žã‹å‰ã®è¨˜äº‹ã«æ›¸ã„ãŸã‚½ã‚±ãƒƒãƒˆé€šä¿¡ã§ã®å•é¡Œã§ã™ ã‚½ã‚±ãƒƒãƒˆé€šä¿¡ã§ã¯é€šä¿¡ç›¸æ‰‹ã®ã€Œï¼©ï¼°ã‚¢ãƒ‰ãƒ¬ã‚¹ã€ã‚’æŒ‡å®šã—ã¦é€šä¿¡ã‚’è¡Œã„ã¾ã™ ã§ã™ãŒã“ã®å ´åˆã‚°ãƒãƒ¼ãƒãƒ«ï¼©ï¼°ã‚¢ãƒ‰ãƒ¬
t_furu 2015/11/23
AndroidãŒåŸºåœ°å±€ã¨ã„ã†ãƒ«ãƒ¼ã‚¿ã«å±žã—ã¦ã„ã‚‹

udp hole punching

UDP

Android
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android ad-hoc udp broadcast hangs on send(ndk)
I'm trying to send a broadcast message in my ad-hoc network - 192.168.2.x, using native c code. But the app hangs on sendto(). btw the hang is not connected to the while, that wraps it, as I can see in debug, it only tries sendto() ones and hangs. Is there something wrong with my code? int broadcast(char* msg){ int bcast_sock; struct sockaddr_in their_addr; // connector's address information if((b
t_furu 2015/11/04
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Android

NDK

UDP
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WiFiåˆ¶å¾¡ã®ã‚«ãƒ©ãƒ¼LEDé›»çƒ Mi-Lightã‚’è©¦ã—ã¦ã¿ã‚‹ | kako blog
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t_furu 2015/09/14
echo -ne â€œx42x00x55â€³ > /dev/udp/192.168.0.1/8899

UDP

LEDç…§æ˜Ž
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Code Review! RGB LED via UDP server - Everything ESP8266
t_furu 2015/08/08
RGB LED + Esp8266 / UDP ã§RGB LED ã®è‰²ã‚’å¤‰æ›´ã™ã‚‹ã‚¹ã‚±ãƒƒãƒ

UDP

esp8266

wi-fi
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Googleã®æ–°ãƒ—ãƒãƒˆã‚³ãƒ«QUICã‚’è©¦ã™ - ã¼ã¡ã¼ã¡æ—¥è¨˜
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t_furu 2013/06/29
HTTP

UDP

network

Google
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