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php实现websocket实时消息推送
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2 D, h2 y( ^7 Z! W- b# sSocketService.php8 M U. d4 S! \- t1 k! n. F
- <?php5 \. y2 b4 [* Q
- /**
! X' @$ y* J0 J* [ - * Created by xwx) _# e6 f ~: `
- * Date: 2017/10/18: ^" |4 ~( T8 L& s- e: d( B: V2 Q9 v, M7 M
- * Time: 14:33
* V8 L: ?( H$ ^2 _7 U1 F% k" a - */ w* \! U! |4 C( R0 {1 ^
-
0 _ z) u) ?4 l9 p5 a$ G - class SocketService1 b9 {1 p' |' d" S+ h- z8 ]2 N
- {
) c# c) B: [, x8 J4 D' D - private $address = '0.0.0.0';1 W1 s0 r* \9 `0 l# o
- private $port = 8083;4 f- @" |5 R* n' c" ^
- private $_sockets;
; ]( T* F# _( f( @) y) P6 A - public function __construct($address = '', $port='')0 l0 M5 D% X& r2 N" T1 ]
- {" E7 p( G1 {% m# `* M4 `
- if(!empty($address)){
+ O2 E! R" {5 G5 s" ^! C - $this->address = $address;
; [) E) f# k9 w8 ~ - }
$ ^! Z1 I: B% `# J - if(!empty($port)) {! N6 t* z) g5 Q) w* e
- $this->port = $port;
8 ^+ {6 g p# }2 c* ^' `6 ?1 b - }4 U" q6 N4 Z6 @4 e7 h
- }
* K2 b% R* S4 I% r7 Q -
6 p# R# D" n% b2 X( ~- B: K - public function service(){
. x9 w/ h" T: L: A. w - //获取tcp协议号码。2 |/ n' ?4 z. D) u! F5 z
- $tcp = getprotobyname("tcp");
( H" L7 X% X1 ]8 U: j+ ` - $sock = socket_create(AF_INET, SOCK_STREAM, $tcp);
' K' ?* h3 v0 X9 R9 l - socket_set_option($sock, SOL_SOCKET, SO_REUSEADDR, 1);5 A. [/ L2 |; @' Z, x
- if($sock < 0)2 _; k, c% y. W' [5 @, P. Z
- {" E' l+ k3 @8 O4 x6 z
- throw new Exception("failed to create socket: ".socket_strerror($sock)."\n");5 a0 n1 j3 D: M0 v. @* I
- }
4 O# z# `! e( A3 A% `5 Q - socket_bind($sock, $this->address, $this->port);
P: `/ Y( P. j- ?- ? - socket_listen($sock, $this->port);; q( J3 w9 y% O
- echo "listen on $this->address $this->port ... \n";1 l \" n, \: K# O( `3 C4 k# [* x
- $this->_sockets = $sock;
/ X/ b. j3 V+ e* S1 O- X& N, Q4 ~( B - }
" P, z1 ~- ]7 O% D' X -
g% i6 u- C1 p4 h( R - public function run(){2 N* a( ^1 T& A3 u2 ?
- $this->service();
U$ x D6 \% E - $clients[] = $this->_sockets;0 g! M" O( E/ U- c! R% f! S
- while (true){
8 d6 ?9 i. {( A, L3 U R, ^ - $changes = $clients;
( ^- Q: l) n' [$ Y - $write = NULL;
$ v, L4 Q0 [8 z% _! P - $except = NULL;
% y: R& b3 |8 p+ p" A3 m - socket_select($changes, $write, $except, NULL); o I: K/ Q# h" B
- foreach ($changes as $key => $_sock){, v9 M6 C T0 e( t- @6 _% m
- if($this->_sockets == $_sock){ //判断是不是新接入的socket
, ^5 W/ v9 c+ q% \% m" g" u - if(($newClient = socket_accept($_sock)) === false){
7 O. E0 x0 Q: o - die('failed to accept socket: '.socket_strerror($_sock)."\n");- I' Y3 s6 R4 \, d: A5 k
- }! _5 M8 C6 G: e5 C
- $line = trim(socket_read($newClient, 1024));" |! e: o8 R8 I6 o2 e/ G
- $this->handshaking($newClient, $line);, ^4 ~/ L/ c9 n/ W9 w: s+ D
- //获取client ip0 D2 C0 W T6 c1 j7 Y& W
- socket_getpeername ($newClient, $ip);
' b# G+ y* F: ^ - $clients[$ip] = $newClient;
2 p* z. `! B- f9 R' N - echo "Client ip:{$ip} \n";
" N9 R; N2 Y/ C4 z4 t: { - echo "Client msg:{$line} \n";( o& K4 U+ `8 `: m$ v
- } else {
& q$ E; f a8 |; v+ l/ H. j - socket_recv($_sock, $buffer, 2048, 0);, }* W; C( J: @/ @( _1 ?
- $msg = $this->message($buffer);4 z& w1 L q4 l+ g
- //在这里业务代码
4 v+ i" i: L! u+ I* D J2 s/ c - echo "{$key} clinet msg:",$msg,"\n";
+ m9 s- M5 s( q! U$ u" U5 ] - fwrite(STDOUT, 'Please input a argument:');
k, M& _8 C# s' K& j - $response = trim(fgets(STDIN));
$ a% c, B! S; F: [3 B# C/ t- A - $this->send($_sock, $response);
8 z9 c9 q- u# o - echo "{$key} response to Client:".$response,"\n";
: H& @- [8 Y- B1 V5 f1 m# l% u - }
4 K0 ~2 G2 w5 x3 g: V7 g - }$ X; @0 h! o2 ?3 l
- }$ H; V& x5 K9 M
- }
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- /**
( [" A2 G6 X% a4 Z( U - * 握手处理7 z' z) `" V" L5 [0 |0 r
- * @param $newClient socket
- m( U0 W) E0 `% _ - * @return int 接收到的信息
, {, w A3 L% h: J% ` - */
1 {- L6 x0 ~; Z: j; `! h a! R- p - public function handshaking($newClient, $line){5 D \4 q3 _( R6 H/ X: d
-
+ L7 p2 w. C! Q/ G% ~# g6 l - $headers = array();( Z; T1 s* ?/ t8 O
- $lines = preg_split("/\r\n/", $line);3 u# _# x6 g% s/ `, ]% l
- foreach($lines as $line)
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- $line = chop($line);
. q! o \5 r6 i; Q - if(preg_match('/\A(\S+): (.*)\z/', $line, $matches))- R I' v/ z. Q- V% \
- {" B u K/ L) F; R H' x% Y
- $headers[$matches[1]] = $matches[2];
. {$ }, O, @0 U# }4 U* z* B$ ^) q - }: G" \$ z2 }. _9 w+ G! {
- }5 N: {- X1 N2 O3 N( [. x5 Y t( \: F
- $secKey = $headers['Sec-WebSocket-Key'];% K2 F1 ]1 _ W& k8 M4 `8 y
- $secAccept = base64_encode(pack('H*', sha1($secKey . '258EAFA5-E914-47DA-95CA-C5AB0DC85B11')));! i0 f, J6 G7 D" Y9 Q& H" q/ h+ Q
- $upgrade = "HTTP/1.1 101 Web Socket Protocol Handshake\r\n" .
" R% ^9 i; ~* A/ j) V8 L' T - "Upgrade: websocket\r\n" .2 k/ b a3 l% t8 j; M1 n( a0 B
- "Connection: Upgrade\r\n" .
* t# t9 ^" ^) G2 o - "WebSocket-Origin: $this->address\r\n" .5 C+ ~7 p% ~( `: t3 ?8 N' I
- "WebSocket-Location: ws://$this->address:$this->port/websocket/websocket\r\n".* R$ U2 R+ f" l, M# C
- "Sec-WebSocket-Accept:$secAccept\r\n\r\n";5 q2 Z0 V9 D+ n6 A
- return socket_write($newClient, $upgrade, strlen($upgrade));
: b' m. d, c; |( I0 i$ i, v - }
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+ O6 E, r$ U) F# L - /**
" n6 K: _. @" ~6 e* a% D# o9 K - * 解析接收数据; n+ j7 ]# H( h+ m( o
- * @param $buffer# H5 y5 q, w& H/ K
- * @return null|string. h$ F/ L/ U* s
- */
c$ n4 k; z! F( R8 W! I6 R - public function message($buffer){* K. Z3 L: i1 H f3 y5 n% A
- $len = $masks = $data = $decoded = null;3 e: j7 m' F% F! {9 u5 H1 a. W
- $len = ord($buffer[1]) & 127;& P' P4 d: h1 m* Y/ c4 N
- if ($len === 126) {9 J* L0 `8 C' X+ m
- $masks = substr($buffer, 4, 4);
# X7 y! z% P' ` - $data = substr($buffer, 8);
' E5 W! E6 m' j - } else if ($len === 127) {
4 O2 }- g6 ^: l7 j - $masks = substr($buffer, 10, 4);4 f( p$ q2 P( U! Z1 V; g
- $data = substr($buffer, 14);
- ~+ s1 C5 ~1 [8 B0 H( y5 p h0 a - } else {
9 v. g/ e* }! n6 q6 e8 ? - $masks = substr($buffer, 2, 4);- _& B: i" D m0 k
- $data = substr($buffer, 6);
$ d7 i0 k; e5 k" `$ H) Z" D - }
' v0 Q/ Y2 `5 y - for ($index = 0; $index < strlen($data); $index++) {
8 P1 f7 W+ s2 T1 T3 Z* z - $decoded .= $data[$index] ^ $masks[$index % 4];
2 z% X! a f% N$ m - }
% x7 M: e/ w- T/ D7 Z1 t6 l4 p - return $decoded;9 J( P- n& N3 B4 f& p; w7 c! D
- }
4 U0 n$ X/ f/ }/ G$ w -
7 C/ `2 R/ E$ `+ s/ K6 n& j e - /**
8 S* J( Z9 o: j) c. u4 c/ B - * 发送数据9 Y4 @3 M. x6 Y4 W; k0 o
- * @param $newClinet 新接入的socket
) Y$ W q0 ]# s) O3 o- e7 X# L1 C - * @param $msg 要发送的数据
! Z6 l: v9 h9 ~! h- _1 J" K - * @return int|string
, b. F+ V# Q3 ?2 o. t4 y5 E - */
" g( @# M+ {9 b$ q* e: p, Z# B - public function send($newClinet, $msg){
9 l" R" x; I. y, H2 [ f/ Z! }( G - $msg = $this->frame($msg);2 I' {- Q! J6 f7 n& [
- socket_write($newClinet, $msg, strlen($msg));
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- public function frame($s) {4 Z3 r" P* [4 m+ Z _' ?
- $a = str_split($s, 125);
: S# t5 A: F. c2 w9 G. a - if (count($a) == 1) {
( ~0 J) E) P; a% l - return "\x81" . chr(strlen($a[0])) . $a[0];; g: T: [6 Q0 A" m" R
- }
$ O- G$ c8 u5 `$ } - $ns = "";
2 q5 x. ~+ E8 W - foreach ($a as $o) {4 y' X) J# K3 `5 t6 }3 z1 a' }
- $ns .= "\x81" . chr(strlen($o)) . $o;% X' T: A8 T2 m3 _
- }5 W0 d5 Y7 u7 |8 A5 e# ^/ L
- return $ns;
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-
* U% K$ w: K: F( V& Q4 _ - /**
0 |- [. }# F5 {+ Q( \# z3 Q1 s - * 关闭socket* s1 d: v( ]+ P2 d% q0 a
- */7 p5 p3 W# c& I- }( p
- public function close(){6 \, r" p" K; t" Q* m1 ]
- return socket_close($this->_sockets);
$ O5 e: L. f0 d0 P' W- n - }8 w2 N4 y- F/ n& r% u/ i: q* r
- }
+ t8 r* D# p( _* y1 G -
& u% I- ~ D2 ?# q% ^, v - $sock = new SocketService();0 L' t3 |2 f5 U8 B
- $sock->run();8 O. t' o$ v( j+ b, U! q
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复制代码 web.html7 j. i% R, |* K
- <!doctype html>
4 W$ E* x, r9 s5 f - <html lang="en">
0 `# `9 |) C* V x1 G4 }0 [ - <head>
9 ]* D1 n0 K+ D4 t# e4 ` - <meta charset="UTF-8"> b* }! D- ^' I+ K; \' w+ J- s
- <meta name="viewport" content="width=device-width,initial-scale=1, maximum-scale=1, user-scalable=no">
4 J4 D+ o& [0 M1 |" X. Z - <title>websocket</title>
0 ?- x# z& W# H3 | - </head>. p* _- {! p' E% a" H# c" m5 j5 t
- <body>+ j: r' p3 G4 ]: `3 y, F
- <input id="text" value=""> u9 i e: b0 H3 t# {
- <input type="submit" value="send" onclick="start()">6 ~# L6 k* s2 [, E: [
- <input type="submit" value="close" onclick="close()">- A; H' y, @; ^; R' {3 E7 T/ C
- <div id="msg"></div>8 \1 p* | O" R& j! y
- <script>0 J3 U6 Q6 F5 m5 `* l2 }, F) b$ p! E
- /**0 z: h- i2 ^+ E( i# g2 z( s
- 0:未连接
" k& s$ f, o R5 g; P5 b - 1:连接成功,可通讯: ?/ O, b) c% F, r
- 2:正在关闭
" }7 |$ }5 Y' I* f) Z, t - 3:连接已关闭或无法打开) W# @; X g% a( A
- */
1 z8 _0 S9 |# A% ~6 t. z" c; G# A0 N - 7 v& v# z; i! C0 w6 O9 l8 c( X
- //创建一个webSocket 实例5 F O% j2 A+ M4 g
- var webSocket = new WebSocket("ws://192.168.31.152:8083");
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% E) y/ m R" v& G( d/ i - B p& ?7 }- |. q/ r+ k+ t2 A
- webSocket.onerror = function (event){
" W5 D- y" E# H3 \ O. l8 r - onError(event);
, @- B6 r0 ^6 m. T& @* j3 e - };$ c5 m z6 z$ Q. J" [
- + y- F' i" w- C D" e. I* s
- // 打开websocket
' ]4 L4 n" W [ - webSocket.onopen = function (event){
; Y- A' e, C% k/ I1 ~# e - onOpen(event);
% o1 D3 @2 c4 ?/ x" k# Z% L4 s1 @ - };' b3 u6 R; l2 R1 ^
- - Q4 i8 O! c' z; s" w6 f+ m
- //监听消息
* _/ f0 B# Y* u- a - webSocket.onmessage = function (event){, O- i1 |. ?$ D, Y" E
- onMessage(event);
& f" [/ H0 S7 V3 S6 C - }; o5 Y! }- H1 a* U
- ' G( U+ w; r2 M) j
-
/ j/ E. T( b3 {' u6 q4 H - webSocket.onclose = function (event){
* V. a# U9 S* j7 ?0 c. } - onClose(event);
- [! Y: E% J; I% U, D6 b+ y0 q$ O - }, b: |/ [: z9 `, {6 o; ^( u. d
-
5 ]+ l' E. n! D - //关闭监听websocket' ^9 j6 u1 p. ^6 p# d; G
- function onError(event){
6 Z: W2 E; g8 @0 q5 P5 E - document.getElementById("msg").innerHTML = "<p>close</p>";
/ r' t4 Y5 N1 h& y5 K - console.log("error"+event.data);8 j4 n [6 c* c) }% H7 T
- };# {7 ?/ k0 J3 ~- {4 Q+ m2 b
-
( @4 o# Y+ F; A Y7 e1 i7 S - function onOpen(event){
- T. \2 U( c4 q% m - console.log("open:"+sockState());; [ Y, N q# W4 e+ [
- document.getElementById("msg").innerHTML = "<p>Connect to Service</p>";
# B$ M9 i" i7 M& A' U% g1 l - };0 k3 Z# i$ ?* P1 g2 Q- o. P- Q+ ^
- function onMessage(event){
1 N$ d5 Y& J$ ~0 l; Y: ~ - console.log("onMessage");8 m: j% O$ c2 D9 W+ K( j- V
- document.getElementById("msg").innerHTML += "<p>response:"+event.data+"</p>"7 Y- a5 ^, ^+ X
- };
% E, ^! K, Q0 o0 Z0 v -
' G3 g- M, q( N" J \" O - function onClose(event){
$ n' I: i/ I* k k - document.getElementById("msg").innerHTML = "<p>close</p>";
6 [2 \, K% B) @% R - console.log("close:"+sockState());
$ n, O% Y5 N3 L0 h - webSocket.close();+ E4 i4 h- C; w5 k. M
- }+ h8 _7 ^1 G8 R4 D1 f, o
-
" O: _4 O3 K6 [7 d l4 X - function sockState(){1 i( @ L" I+ _" [4 T" g4 I
- 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'];
' f6 x8 M& U5 U5 q% A* O' z0 h. y0 y - return status[webSocket.readyState]; x9 a5 A8 T l5 v+ N# v! c
- }
% M0 }7 K. z {" x. A g; n) w% m" [4 n - : d/ M1 D% A( F- r$ i! O
-
# q% ]. }. ~8 Z6 K( d" E% [8 g) { -
( M; E* M* _% Y M% o! K* p - function start(event){
: Y, ]/ v* w$ d2 D - console.log(webSocket);+ e5 v2 j! c* r# F
- var msg = document.getElementById('text').value;, P% u& h3 Y1 {) A
- document.getElementById('text').value = '';
& r* @ u# ~5 W! f8 b$ v - console.log("send:"+sockState());
5 E0 i7 C2 ]+ z; i$ y - console.log("msg="+msg);
5 ^. x1 ~$ H* U! L - webSocket.send("msg="+msg);
0 l" S. }1 [" x7 G+ z - document.getElementById("msg").innerHTML += "<p>request"+msg+"</p>"
/ @- ~& I- Y+ Y. o: T2 I2 l/ Y5 Z - };
+ I( L1 }$ Y# H$ }) X -
5 B: U# w' L4 @; j2 n7 ^+ T - function close(event){
# U# k. Q2 M1 I3 a7 a - webSocket.close();- k: R# Q* R; L7 }
- }
/ Z- X5 L2 v e9 `" g - </script>7 d4 d) g4 @ f. [
- </body>9 a! B* P% e7 U3 q
- </html>
复制代码
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