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php实现websocket实时消息推送
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7 ^/ }: ?* |' U fSocketService.php/ {& } v+ t7 a5 }
- <?php
6 K/ }5 W* M$ M' o) j$ f - /**$ Q1 f$ n9 h0 \7 G) k e: e9 z
- * Created by xwx$ M$ C2 \/ _) A- P
- * Date: 2017/10/18
* U/ y7 D$ V- f9 w+ v2 A - * Time: 14:33
$ k, `5 W2 b" s" B0 ~; G+ y - */
% }) y8 B4 y* T- B; O7 L+ u! r -
' u/ B# {, G' Y7 L, ?$ y5 c5 I/ L4 m - class SocketService5 e) d H" K% O: |- H7 X( j
- {
" C2 ?3 y0 [! E) X' o - private $address = '0.0.0.0';9 [) t/ f2 {4 W6 M; F
- private $port = 8083;% B0 @8 c3 O, l
- private $_sockets;
( r2 h& c9 e* P" v9 } - public function __construct($address = '', $port='')
3 i; b8 J. }4 W. v0 d& ]$ A0 v - {9 B8 t, ^# |/ K" Z7 `+ T
- if(!empty($address)){, M7 P" b* P( s/ A
- $this->address = $address;
/ \: f3 p. p5 x - }7 u, M8 n: `* D; t6 p
- if(!empty($port)) {
" d( q' }! z& M - $this->port = $port;3 [# h$ G% g( I3 ^7 Q
- }
; N6 @( R* y( V- a$ w - }
- R; e" s- H7 c' v -
% J. c6 ~/ ], z# g1 o' Z - public function service(){4 W2 z% B3 i% x }3 q) L L9 F% a
- //获取tcp协议号码。9 B6 C: g h$ j5 v7 D9 h
- $tcp = getprotobyname("tcp");
0 F" x6 f* s6 v* ]3 v - $sock = socket_create(AF_INET, SOCK_STREAM, $tcp);
' n+ v& k' X; c. S3 y7 w' H3 l - socket_set_option($sock, SOL_SOCKET, SO_REUSEADDR, 1); W, n n/ b9 B4 x. |/ J
- if($sock < 0)
3 Y# Y, o+ W! M; n - {
% j: ?) ?, J8 F5 y8 H. S( u - throw new Exception("failed to create socket: ".socket_strerror($sock)."\n");
7 V2 E4 y. b2 j5 X( z/ V' D$ o - }- T& U, w/ @' J; W% u- v* u
- socket_bind($sock, $this->address, $this->port);; D' {6 W+ _/ H7 i0 I2 j
- socket_listen($sock, $this->port);3 |5 |. S4 l8 q. i( m
- echo "listen on $this->address $this->port ... \n";6 W" Q$ m. H$ [; Q- d
- $this->_sockets = $sock;1 ]7 V/ S' R! a( m9 F% `
- }
5 u6 g5 M7 P7 u# u# m. b -
# \* Q7 L1 w# G' }) J! ]# S) e - public function run(){
/ Z: N. \; u5 o/ k$ z' o8 ]3 U - $this->service();8 M5 s, c( }! g+ g9 w
- $clients[] = $this->_sockets;
3 f2 u# ^! d, K1 @5 b n - while (true){
2 J: q% ~3 V( D9 f' B - $changes = $clients;
1 R5 S, r9 D1 _! H8 y7 F- E& L* D - $write = NULL;- s; @6 w4 t, `
- $except = NULL;
9 l: d) h& T6 g' p: P7 d- ~ - socket_select($changes, $write, $except, NULL);
7 B! p9 Y" L* z& X3 r - foreach ($changes as $key => $_sock){; P% ?% J1 x" P( Q |
- if($this->_sockets == $_sock){ //判断是不是新接入的socket
. V9 `* ~8 S' f; b - if(($newClient = socket_accept($_sock)) === false){
! T' C: \: Q* c3 I% Q - die('failed to accept socket: '.socket_strerror($_sock)."\n");. _0 B- l3 d) P
- }, O9 N% T9 m# _/ Y7 a6 k
- $line = trim(socket_read($newClient, 1024));& i! ?: D; N( c, T3 y
- $this->handshaking($newClient, $line);
* [& Q' G. q* |& z- c8 @( n - //获取client ip
+ |# B) T) Y8 e, W) a2 ~/ L - socket_getpeername ($newClient, $ip);
" j( i# D7 q# ~ - $clients[$ip] = $newClient;, i) b) ]- Y$ f8 F9 _8 e
- echo "Client ip:{$ip} \n";" H4 a, L/ \) Q9 a6 b2 X! h2 S" W
- echo "Client msg:{$line} \n";
* D6 x3 Z& d, {( Y9 L0 @ - } else {
( c# I( @. F4 Z. i - socket_recv($_sock, $buffer, 2048, 0);7 h7 J' E3 P7 `8 r
- $msg = $this->message($buffer);* m; f# b! H2 q# c4 m! H, s
- //在这里业务代码1 V1 B7 O& d& u, J1 t
- echo "{$key} clinet msg:",$msg,"\n";% ~6 T- _: M5 I' P
- fwrite(STDOUT, 'Please input a argument:');
' H* l) g; k r5 u& r. q. G- ~" { - $response = trim(fgets(STDIN));
# i+ O; ^- |! y) B; O - $this->send($_sock, $response);
# B% J9 U. N$ {/ l* M# ? - echo "{$key} response to Client:".$response,"\n";9 }! W3 e- T: M
- }
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- }
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- /** Q+ ?* P2 l9 T% Y' C
- * 握手处理# ^9 c4 H* R7 V1 K3 x/ y$ z
- * @param $newClient socket5 y+ R/ c7 U/ g# C. K4 x( P' f
- * @return int 接收到的信息
" V( n; o- w0 Z2 I - */
( e4 x0 A9 H% I |6 N( C N - public function handshaking($newClient, $line){
7 i. ]$ E1 n* M! O: R7 F/ f2 i& U, u -
7 O, F3 [' n- P& g" V3 q* b3 p - $headers = array();
$ O# i; ]" Z# m6 l! B; x" T+ v: B - $lines = preg_split("/\r\n/", $line);0 o& X! T$ |: W
- foreach($lines as $line)
; W0 ~, Y. S: I5 z: K - {
/ B9 n3 v& q% c9 P# `; X, A6 `% n - $line = chop($line);
( b1 G- f" \3 k, |2 L - if(preg_match('/\A(\S+): (.*)\z/', $line, $matches))
7 Q3 b, w; C+ Y' {- d# g5 H9 z - {
1 {3 T% F% L# V, b6 p; B - $headers[$matches[1]] = $matches[2];! Q; H+ v# s4 T% o. n& L
- }1 w _- i; X4 }
- }
; p& d: r3 c) O - $secKey = $headers['Sec-WebSocket-Key'];
; _+ U* `, N5 [ E5 B5 I0 c. s' h - $secAccept = base64_encode(pack('H*', sha1($secKey . '258EAFA5-E914-47DA-95CA-C5AB0DC85B11')));2 A, V7 M9 I1 l) z4 l/ N, N$ z: D
- $upgrade = "HTTP/1.1 101 Web Socket Protocol Handshake\r\n" .
% c# ?* [+ k/ m2 K! n6 k" E: x - "Upgrade: websocket\r\n" .
/ c' K ]: M: _- r9 N - "Connection: Upgrade\r\n" .$ M" y" ?, @8 u+ E( c1 G" Y/ f
- "WebSocket-Origin: $this->address\r\n" .# }9 N, @6 |+ x4 ^; T; D, p9 P6 v+ {
- "WebSocket-Location: ws://$this->address:$this->port/websocket/websocket\r\n".7 g. y9 i5 l! L- \3 `- L1 k
- "Sec-WebSocket-Accept:$secAccept\r\n\r\n";7 i( `0 K, D% n3 H' Y
- return socket_write($newClient, $upgrade, strlen($upgrade));
/ ^0 f0 ?2 s1 M/ ]8 o( w4 ? - }! [! x" i+ N$ ~+ P% e" U2 V+ P
-
& b* L) i3 o* E1 F+ ?/ Q# _ - /**2 {- i1 v0 A" {
- * 解析接收数据
1 o9 w/ G) U' _ - * @param $buffer
: s. C* g4 f2 {. v# m/ L( X - * @return null|string
$ h; Z: F. Q, A: p2 \( n" y" C - */
/ a0 R' p# X3 i! p - public function message($buffer){6 U8 {" ^) g2 z( Y/ R$ B
- $len = $masks = $data = $decoded = null;
. g* v( _. q4 v+ R+ z! Y4 e: I - $len = ord($buffer[1]) & 127;
9 G' Q6 O) x; p - if ($len === 126) {0 l, x0 D+ P* T' J* P
- $masks = substr($buffer, 4, 4);; ?7 u9 d) G. O( C# L, a
- $data = substr($buffer, 8);
& f2 Q8 y! G- D - } else if ($len === 127) { c0 G Q$ D6 ~2 B5 x* [ y9 O3 X
- $masks = substr($buffer, 10, 4); u) O% b+ Z0 u' g Q: i: J
- $data = substr($buffer, 14);7 S1 `4 w6 L/ @9 ?
- } else {
L+ E: W# @. Z( \" @6 I - $masks = substr($buffer, 2, 4);
3 h- f, \' i: c0 S" K - $data = substr($buffer, 6);& G0 x; Z: U: x) X+ p: H) {
- }
7 ?% N% {$ u( S5 e/ x& ~ - for ($index = 0; $index < strlen($data); $index++) {
2 @- l {, D+ F- v4 {" L; h - $decoded .= $data[$index] ^ $masks[$index % 4];% `1 Z% d2 a9 O
- }
_2 @% p! n, w6 K6 {9 Z - return $decoded;
: o( J# k8 K8 O( s! [( u0 M8 y$ @ - }% U6 V6 ~$ J3 l7 s4 r( o
- & }& D! R# ~1 s' M S7 y
- /**" z2 D4 c; H! D4 f8 @) G
- * 发送数据3 x( N% ]) J8 @
- * @param $newClinet 新接入的socket
( ~8 [1 b: |$ u9 L* ] - * @param $msg 要发送的数据
2 }8 P% J0 r. U+ W% l) K8 R - * @return int|string
; {2 \) V$ {" C9 T5 o L2 m - */* F* @& U2 j0 y6 j# G
- public function send($newClinet, $msg){/ M/ N1 I3 C/ B) d0 {
- $msg = $this->frame($msg);8 p$ F! W) z) o: j( o2 o8 `; R
- socket_write($newClinet, $msg, strlen($msg));
( C/ b4 o" J1 M - }
- {( j: n$ x8 f0 V -
/ v4 f( p! c( P3 p - public function frame($s) {, M$ L) f, q- ]! [/ x4 ^
- $a = str_split($s, 125);
3 x. e, ]0 `3 T4 p2 j% ? - if (count($a) == 1) {
3 |7 i* u. _& q& t1 a) R( ~ - return "\x81" . chr(strlen($a[0])) . $a[0];
; x( ]5 E6 ]3 w W( n/ \+ @ - }) S/ t0 z p; e. o
- $ns = "";
7 O; L& [ R# ]9 w& B - foreach ($a as $o) {9 d* ^, e7 S3 V/ p w
- $ns .= "\x81" . chr(strlen($o)) . $o;5 V" C- ]4 w! L! j- P% i
- }2 n& O- j4 T( G F
- return $ns;; K& z6 m' V1 V$ N
- }1 T# Z; r* T$ ^: v9 I! z2 M
- 3 H- @7 q' V' O7 g
- /**
0 [( N; u6 g! R8 } - * 关闭socket5 i V5 S6 q9 f( ~ [# A' h
- */# u+ b" k% M/ @8 u! w
- public function close(){5 b7 {8 Y+ E% R3 A- ^2 L
- return socket_close($this->_sockets);
0 M* k" ]' x s$ d3 A - }
! N6 `( i3 h' ?/ ~' Q( C - }
5 g9 c/ A, @& \- l# W, ]+ t - 8 H/ y- I4 ^, G) w0 p0 l. y
- $sock = new SocketService();4 K! Z! i9 U6 \
- $sock->run();
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复制代码 web.html% d1 q- K5 v6 @4 g
- <!doctype html>
- l1 N* `9 M( E/ _$ d* _8 ~* A - <html lang="en">
8 W5 u' B9 e7 z4 d4 V7 @0 ]3 u - <head>
; o) d. Q3 w5 D& Q2 n - <meta charset="UTF-8"># s* U+ x( I9 {: d
- <meta name="viewport" content="width=device-width,initial-scale=1, maximum-scale=1, user-scalable=no">
) p# A" h* V8 k5 [; J3 n - <title>websocket</title>. Y: n2 V& ]$ Z; F( Z4 L
- </head>
1 @4 X$ T( b/ y0 S8 w5 Q) k | - <body>8 d1 W6 T5 A% Z/ Y
- <input id="text" value="">
8 m+ ^1 F) Z8 f' B# { - <input type="submit" value="send" onclick="start()">2 c2 N1 {& W8 ~, Q
- <input type="submit" value="close" onclick="close()">
6 p; K- c V5 o; S - <div id="msg"></div>
1 C5 c; q# o% Q. n1 I; D - <script>7 m. }& e& c5 Z% G+ r P
- /**8 e: F! w" \* _9 c
- 0:未连接
8 R$ T$ q6 }; F7 C6 \ - 1:连接成功,可通讯
+ L2 L4 H8 ~) w# @1 m- U0 M - 2:正在关闭
" K# a0 Z: M( m; X* v5 u( \# Y2 O - 3:连接已关闭或无法打开8 C8 h0 |& k! A
- */' h9 ?6 i3 u. s' p7 |! k, R
-
: p. C* M( K7 | - //创建一个webSocket 实例# L4 w' r0 G6 d1 u4 l; A8 G
- var webSocket = new WebSocket("ws://192.168.31.152:8083");7 s, ?8 R8 ?1 F' f
- 0 f9 f8 V7 T9 ~: Y1 a
- " U4 @ X# x7 X9 E- N0 J
- webSocket.onerror = function (event){
6 N6 s6 A& a: u: k - onError(event);
; C k4 m) U" P+ |+ G8 q; F - };9 `+ l* [/ V5 E& ?1 y
- " u5 X) z) E2 @) b& j3 X, G# h4 C& F- F
- // 打开websocket/ V5 S% \1 p, M& Y5 a8 ^
- webSocket.onopen = function (event){
" g5 c/ q0 P1 ], l$ X | - onOpen(event);+ U, g* m J/ m. q7 r+ j7 |
- };
3 P, h4 W4 t' H5 @% j - 2 |" q/ _) U7 f
- //监听消息: o. y) K6 w9 I6 s6 x1 J' z+ a
- webSocket.onmessage = function (event){8 I8 W; ^1 S% A5 ]
- onMessage(event);# O# j, o3 _4 t/ I; C1 }
- };
8 ?6 Y2 X/ |9 e% ^" | -
3 e* k/ z9 ^, }0 F; V -
7 |$ [+ C" U% m, J7 z! { - webSocket.onclose = function (event){
; V: q5 U3 S( a9 ^ - onClose(event);
. E, u, r6 ~9 B: @4 G( M8 @ - }
1 C4 ]: C7 A8 J* E" Z -
$ a5 ^, l$ U# J( P3 Q' m! t - //关闭监听websocket2 [ i8 L, ^& ?% s# t$ o1 A" I
- function onError(event){
4 h( I4 W3 X4 R' M - document.getElementById("msg").innerHTML = "<p>close</p>";
, D: @" }' x c/ C" N y' C - console.log("error"+event.data);% @3 V( P$ ]; }; `- B
- };
' }6 i+ W; I# f& r0 k/ w, U$ ? -
& f, X, g) [9 I/ f- g$ f& _ - function onOpen(event){
4 _ }! b6 J1 B7 b - console.log("open:"+sockState());
& g0 F' n5 `$ L5 ?# P8 ?& P7 `$ T - document.getElementById("msg").innerHTML = "<p>Connect to Service</p>";
4 t5 d+ {. h/ g( i - };
0 J& F+ O+ O4 X5 Q - function onMessage(event){% j6 V$ W0 @. r3 l$ U
- console.log("onMessage");) F) b& j& @. b
- document.getElementById("msg").innerHTML += "<p>response:"+event.data+"</p>"/ n- [( P% j; ?
- };
! H/ w2 K% l" h+ c -
X# [8 O& W5 t# B' |7 c) u - function onClose(event){/ {8 y5 b8 X4 |. s# B
- document.getElementById("msg").innerHTML = "<p>close</p>";
7 h' r+ C) O! i! F w' f - console.log("close:"+sockState());
# x& S+ ^1 d) p9 y4 M. J( \ - webSocket.close();
# A2 i7 t7 j. u# G' J - }& e* W9 I9 c0 z$ w. i6 D, }. H
-
7 ]4 t4 {. c) Z- G1 Z& H. K - function sockState(){
9 Z# m/ `% C6 J) ~4 V: b - var status = ['未连接','连接成功,可通讯','正在关闭','连接已关闭或无法打开'];
4 s2 P9 T! b/ {# d - return status[webSocket.readyState];
$ R% |! Q) x- B+ H; x4 g - }; c8 G0 ]* y& f0 \. Z/ H' z2 @
-
9 W/ H& g! }. S9 S- ` - ' \1 c9 i8 p" [" h
-
2 J$ ?3 `, t7 a; B* Y - function start(event){5 |& M9 D/ q3 b* [! I! Y" |
- console.log(webSocket);
5 S6 c0 G0 @8 [2 w- K# G' n - var msg = document.getElementById('text').value;" u' A q; A. r7 g3 m. T) O/ K& V
- document.getElementById('text').value = '';
9 c8 a% w$ G# [' }7 [7 q$ y - console.log("send:"+sockState());
" @8 @- P: Q1 a' H/ ^0 Y - console.log("msg="+msg);
% v( m P: x" D, K1 A0 r T8 X( Q - webSocket.send("msg="+msg);
' I0 F, A. x. h* W - document.getElementById("msg").innerHTML += "<p>request"+msg+"</p>"2 C$ K, d$ M0 ~5 d
- };/ n9 H0 g, u( ^3 \8 G$ Y, Y
- / l1 Q: I; V( e+ J9 @8 ]) G
- function close(event){
3 V, C4 e: ~2 I# s3 x5 v, V - webSocket.close();- n2 J) i3 w0 r0 P( Z
- }1 v5 Y& r/ g4 [# R. H; V
- </script>/ R4 w0 x* r' r( y) V, k: S
- </body>& ^2 o$ q' p* _( ?
- </html>
复制代码
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