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php实现websocket实时消息推送% a& e- j3 a7 g0 g
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( v1 Q f) h$ l dSocketService.php& I* z, S* ~( K
- <?php
1 V! L I8 t- s c - /**" `8 t1 K' {9 j) X R- R+ j+ F
- * Created by xwx9 t/ n5 ~# a* F3 e! X
- * Date: 2017/10/18
% T% H8 V* F; ^1 z( X - * Time: 14:33" ~. P. N' V" L. S9 I1 J8 N) n4 `
- */
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- class SocketService
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- private $address = '0.0.0.0';1 c" j$ B. W; r& q. }7 c. f' Y
- private $port = 8083;
# ?9 M! j% E# g# Q - private $_sockets;
: h8 j, r' |+ ] - public function __construct($address = '', $port='')
A& a7 l; u+ \4 F; D# H. p - {
1 i' \7 p# x" I/ x; b% } - if(!empty($address)){2 J& @) T9 [) e, X) d, k; A9 g& o9 S
- $this->address = $address;
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- if(!empty($port)) {
8 L0 \ Y8 [9 B" f, ]! Z - $this->port = $port;3 A9 D& l( u$ D
- }* T# t& A9 F( m1 k. U3 V4 K/ l
- }
, }7 B5 `" ?7 b! I9 g - % \( \3 T1 z# A
- public function service(){- ~4 s2 y0 Z3 F. D( z: v! [: F; S
- //获取tcp协议号码。$ Z: B4 K# v9 M& c
- $tcp = getprotobyname("tcp");0 m9 A/ {( U! a2 m6 k, a
- $sock = socket_create(AF_INET, SOCK_STREAM, $tcp);1 J9 Y& X/ h2 r, e1 q. o
- socket_set_option($sock, SOL_SOCKET, SO_REUSEADDR, 1);7 |& L% g3 a# A
- if($sock < 0)
3 a$ q F" I4 s. ^( B - {* O& c& O$ w# L3 g5 K# @
- throw new Exception("failed to create socket: ".socket_strerror($sock)."\n");8 s ^0 \9 @8 C f+ H6 [) R$ C: j! D- B Z
- }
/ |, c3 }# ]/ ~0 ^ - socket_bind($sock, $this->address, $this->port);
* E# V1 \+ y; B9 i - socket_listen($sock, $this->port);
( f( \ H s( G; q - echo "listen on $this->address $this->port ... \n";. F6 n$ W1 a- L8 c* L
- $this->_sockets = $sock;
1 z$ V$ @3 v# M - }' r9 ]# @ @- G2 T. G
-
/ d8 E2 l5 x3 K l( Z - public function run(){
2 N- c# s' X8 n, w) i, m1 y, \ - $this->service();3 L, G$ X# b& h& F% t
- $clients[] = $this->_sockets;
! V* d3 H9 q" E0 | - while (true){
9 ^) \6 M" b4 w% `! I - $changes = $clients;
% K) J9 H: i4 w" r& d - $write = NULL;/ M! G, M: b2 V
- $except = NULL;' T. m6 a2 t% l# L
- socket_select($changes, $write, $except, NULL);, S1 @6 O6 `( R8 |1 ?: N
- foreach ($changes as $key => $_sock){
0 s b3 X' @0 W& M6 w/ a - if($this->_sockets == $_sock){ //判断是不是新接入的socket
' g: J( Q1 k8 g" f# X6 F# h - if(($newClient = socket_accept($_sock)) === false){( Q2 Z/ U9 x7 b- b
- die('failed to accept socket: '.socket_strerror($_sock)."\n");! O( L& ^7 l M7 x
- }3 d) p. h3 Q9 [& M" f& }% F
- $line = trim(socket_read($newClient, 1024));
& l" e; [/ o! R1 A2 C/ c* x - $this->handshaking($newClient, $line);3 l y a, U! }1 G' L8 w* `% u
- //获取client ip
; Z9 h- f! |/ b2 | |" Y& |* L - socket_getpeername ($newClient, $ip);
6 o$ P; \9 i7 C0 F* r - $clients[$ip] = $newClient;) I+ Q1 E& z0 e- L
- echo "Client ip:{$ip} \n";
3 f+ T( m4 j5 g6 G- O" j - echo "Client msg:{$line} \n";: x- q0 w2 y4 R2 U) @% o0 n& z
- } else {) R8 n' {# B+ \1 Z* w
- socket_recv($_sock, $buffer, 2048, 0);
; F5 Y+ g& I, y7 U- i - $msg = $this->message($buffer);
7 i0 b3 e( d$ V4 h, ~3 r0 g - //在这里业务代码# R& B0 ?2 @9 V
- echo "{$key} clinet msg:",$msg,"\n";. J7 d" B- ?, y7 M
- fwrite(STDOUT, 'Please input a argument:');
4 [- a+ M; s- v - $response = trim(fgets(STDIN));/ N2 t4 R6 y! s, A9 @# x; z" N
- $this->send($_sock, $response);# M4 B! i) _8 I) W3 L1 h
- echo "{$key} response to Client:".$response,"\n";; N/ T8 Z2 v% D5 l/ e! \" c4 j
- }4 Z" G) k& w5 ~+ K8 ~
- }
* b! p1 R* S& G$ S. O& C - }
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- & E; w8 s1 C) l' X
- /**9 z3 r7 ]' p! H4 j# D/ ?
- * 握手处理+ j) b( o' m* i' L0 [1 }
- * @param $newClient socket% `7 N+ m. t0 W
- * @return int 接收到的信息% ~7 w5 Z: M: B& H
- */# q- ^/ I6 G9 K% I* r, }: [! O
- public function handshaking($newClient, $line){
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- $headers = array();
) h. G2 ~2 U& k6 e* B' {, _, u - $lines = preg_split("/\r\n/", $line);
D g% F7 t1 @8 `6 N3 G5 }; m - foreach($lines as $line)8 Y) J! X+ _5 R3 y
- {% q$ C" [) u9 t1 J3 d
- $line = chop($line);
* s) Z" f" V! a0 ?5 _; k - if(preg_match('/\A(\S+): (.*)\z/', $line, $matches))
3 b7 W! S) q9 k1 M2 U - {
7 s( h. e$ ?1 @7 V5 Y1 v - $headers[$matches[1]] = $matches[2];
' p0 Q) S9 M L1 S1 H - }
6 C2 u6 W! |6 s - }
, I. N1 h: @4 m9 M* e - $secKey = $headers['Sec-WebSocket-Key'];* v% T2 z8 A5 N8 y
- $secAccept = base64_encode(pack('H*', sha1($secKey . '258EAFA5-E914-47DA-95CA-C5AB0DC85B11')));
& |1 V$ H* }. B6 ?* U: b - $upgrade = "HTTP/1.1 101 Web Socket Protocol Handshake\r\n" ./ l3 X C6 T/ P& @5 `" d$ b
- "Upgrade: websocket\r\n" .
! d# q; G; T3 m9 V$ ]! F - "Connection: Upgrade\r\n" .3 J$ S& F. x; s; Z6 ~( P8 O$ c3 P
- "WebSocket-Origin: $this->address\r\n" .5 f ]5 p* `/ v- ?- P
- "WebSocket-Location: ws://$this->address:$this->port/websocket/websocket\r\n".
& m* k8 b5 S6 T+ y: K, m8 G% k - "Sec-WebSocket-Accept:$secAccept\r\n\r\n";' r3 Z6 a ?$ g4 ~" L0 M
- return socket_write($newClient, $upgrade, strlen($upgrade));
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-
6 R3 V0 Q' A" c' ]) j - /**1 ?" d& W$ b; ~6 c9 a, u' r% J7 `
- * 解析接收数据% \% z2 u( V6 ~
- * @param $buffer5 O: o. y5 h) o% x4 a! E- g0 o* w
- * @return null|string+ T) N. d' w3 t# W E
- */! ?- \/ E+ z P* _! r w
- public function message($buffer){. W) m1 V0 Z t/ M
- $len = $masks = $data = $decoded = null;
* c7 a X1 z4 L8 N0 | - $len = ord($buffer[1]) & 127;; \1 Q5 f$ o$ }9 I8 F4 B8 g
- if ($len === 126) {
m' `8 o$ `+ _7 L' |* ^, b8 b - $masks = substr($buffer, 4, 4);1 b4 i& e% l9 \6 V) u: A( ?/ H
- $data = substr($buffer, 8);) K0 e4 {8 o x; C' u) Q- w
- } else if ($len === 127) {
1 y: g) l* P& q, k& j7 K - $masks = substr($buffer, 10, 4);' u2 L7 x5 h0 I4 `/ `: j
- $data = substr($buffer, 14);
1 I& T$ Y1 d4 ?4 }% v0 T# t - } else {1 Q9 |. l% h# ]: Z
- $masks = substr($buffer, 2, 4);. O3 g1 S* M1 o1 M
- $data = substr($buffer, 6);
' Q- y, p8 o/ f0 S+ W - }
w# ]: U4 n- F4 f+ e - for ($index = 0; $index < strlen($data); $index++) {
* ^3 y2 F0 u1 q* U# o( g - $decoded .= $data[$index] ^ $masks[$index % 4];+ D* q1 N4 v8 b; F' m1 _
- }
4 j( M$ ~; H9 p V - return $decoded;1 Y2 f/ u! `% e9 i
- }( Y1 P- E |: P9 D
- + T, n9 Q' g" x+ u1 f* j
- /**/ X: A& b; X! [- C' y. M ~5 c( j
- * 发送数据
* b/ U! @6 \! U$ t6 { - * @param $newClinet 新接入的socket
+ F& Q ^& ?* P I4 c/ l - * @param $msg 要发送的数据% n4 O2 y2 F3 l" Z! M
- * @return int|string
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- public function send($newClinet, $msg){* q9 Y: Q! o' k4 @7 [& h% E
- $msg = $this->frame($msg);) s$ P% d# s6 u; r. }
- socket_write($newClinet, $msg, strlen($msg));
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- 6 C! U5 g; }, p5 `% q: ^
- public function frame($s) {
" [. T4 F+ @% y1 Z# x. v - $a = str_split($s, 125);# [# E9 {( w5 l& a9 i( F3 K, L
- if (count($a) == 1) {1 Y# o, `& T5 h) X* r/ ]' O3 I
- return "\x81" . chr(strlen($a[0])) . $a[0];
T4 u& j- _" A, ^ - }
, W; t4 @% w* I9 H - $ns = "";
1 n9 U* ~1 f- m. h: h4 ? - foreach ($a as $o) {
/ E- V9 ^, Q, W; J9 b - $ns .= "\x81" . chr(strlen($o)) . $o;
, W; G; V3 O: S1 q& t - }
7 m7 a* J- ]; j6 p# D D - return $ns;) ]" X* X0 Q' s6 p+ U5 r# |- @
- }
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$ X2 t K. W) d" E - /**
- E: x# l# c7 m7 Z# r) D2 I! p( r - * 关闭socket. |) c! x& U i3 |2 ~: t
- */5 _" X& r2 X [; X4 v! s; Q" m" p
- public function close(){
7 E- Z6 L8 \. ] [+ | - return socket_close($this->_sockets);
0 m6 i/ n2 Z$ i! m& L; z7 z - }
- Y) P! ?2 Q9 ~ ]6 N; F! @ - }
7 D4 f6 c* c2 V- F+ @/ @ u - - f/ S* `7 m! Y: c
- $sock = new SocketService();
( c; u, W" t3 ]; V9 B2 J& v! M) w5 N - $sock->run();
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复制代码 web.html; F3 R2 \# l0 Z& Q8 E8 _- ]5 @( k2 _+ c
- <!doctype html>
# @1 Z0 ~5 o0 \; x I - <html lang="en">
6 c' w+ g# Y2 `: f - <head>
; w8 e7 `" z; |0 G - <meta charset="UTF-8">
8 y& M( R% `. B: D" s$ P - <meta name="viewport" content="width=device-width,initial-scale=1, maximum-scale=1, user-scalable=no">8 ^- B* z7 O2 r/ t
- <title>websocket</title>
# e1 S; i- U, p* N% H - </head>
8 M2 I5 r6 }8 V0 j2 I { - <body>
8 H8 y3 K$ S: e1 y/ ] - <input id="text" value="">
! n! b! A; J' u/ m6 f5 E - <input type="submit" value="send" onclick="start()">9 r' g& r( e. q4 f! R1 p: B
- <input type="submit" value="close" onclick="close()">
! ]- S, ]0 ?4 J ?) G - <div id="msg"></div>
a: U) R# Q; b# Q. H7 C, c% h/ y4 l - <script>% c+ y. Q4 B! p: R: V
- /*** k0 `) t: a$ Z1 @ F! L5 i" R
- 0:未连接
5 D1 t) K9 o! x- W( B% ] - 1:连接成功,可通讯
- I8 H: ]* w2 d/ ]& j& ^4 I - 2:正在关闭
, e/ @- {1 G! \+ q - 3:连接已关闭或无法打开
+ d5 D9 o* I6 G# |2 S - */9 R- v5 U- n5 C/ c* |+ y
- ' B/ `! _% S4 {2 p) \
- //创建一个webSocket 实例. J) z+ K2 f2 G- F
- var webSocket = new WebSocket("ws://192.168.31.152:8083");
7 i' v. c" T+ ?1 I) |6 A# w -
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- webSocket.onerror = function (event){2 U2 M# r t/ ?6 T% R0 E( |& j+ Z
- onError(event);
6 h. g5 G2 F% M$ K0 E7 {) o - };
2 ?* S" {1 s/ r' V -
$ ?( A# T* \' p5 n6 A - // 打开websocket
3 m8 f @! s* H" I, L. g - webSocket.onopen = function (event){
9 _# p. E/ t# w' t* j: y - onOpen(event);
' Z; h5 J: b. l$ U7 E - };+ m1 _6 q6 }5 b
- 2 B- r9 e- [$ g8 Z$ g
- //监听消息; L/ [% K+ R% c
- webSocket.onmessage = function (event){! O) b7 M, X$ p, C
- onMessage(event);
! X4 U5 C- p" v2 u) U* ~ - };* P+ E% ^+ B( A0 u
-
& j6 Z5 W) b, V4 K3 T - 2 j+ U8 } }; J! Z; ?5 I( B
- webSocket.onclose = function (event){0 Z) ^9 Q) H* z& S
- onClose(event);7 V0 t& U+ J$ E6 p) s4 I
- }
) s5 k( H0 ^- Z' _+ E2 L - 3 S. R/ m* t( Q# P: Y- M! h; p
- //关闭监听websocket! q" q- ^, _9 {3 f4 g; R# o3 q8 L
- function onError(event){
9 M' ^5 [6 V3 v) p6 c' g - document.getElementById("msg").innerHTML = "<p>close</p>";- G# m! b' ?0 `: ~& P6 F
- console.log("error"+event.data);' a" \- m- q5 o( k6 Y! s
- }; I5 _& C3 \8 Z. h& p! I
- ! O' A. o4 W- }5 }4 W
- function onOpen(event){
5 q& w- r# x u: b) U - console.log("open:"+sockState());
# a% F! b3 f( ?# c0 _$ O - document.getElementById("msg").innerHTML = "<p>Connect to Service</p>";, U4 \5 ]+ Z* r+ h- H# [
- };
6 T$ j2 e' ]% v H$ Z0 m, x1 u - function onMessage(event){
0 k6 q# [0 c- ], Z: Z% R; [6 B: Z3 o - console.log("onMessage");4 z; _! `7 h) H1 Q. P; f" W: h
- document.getElementById("msg").innerHTML += "<p>response:"+event.data+"</p>"9 p) X5 M$ I g4 Z
- };9 ~' ]7 t* L5 l, G4 H7 K1 ?
-
2 i. s0 p; }3 i; P* Q% p - function onClose(event){" Z1 M& e$ \5 g# t2 G
- document.getElementById("msg").innerHTML = "<p>close</p>";% x# x' L: H3 q4 Q! l5 K- a
- console.log("close:"+sockState());+ k- l) Q! i# Y, s; }
- webSocket.close();3 l' k: L# _' G" |: D0 n& y
- }
5 o8 |9 `3 n: k" ~8 j* a -
' C/ I: `7 w5 W% z; X - function sockState(){
. {3 \3 A4 S5 S3 e- N - 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'];
5 v+ H& B; m- ^* U$ A) d - return status[webSocket.readyState];
) Q$ i9 ^0 x8 M: \8 b6 p - }
! Z, I: g; S5 L. ^ -
8 U( t" v' F j# a. a: K1 ~ -
8 p p$ g# E9 r' h -
3 ~/ H! L4 q0 n8 Y/ s( Q - function start(event){
1 q- u2 h/ B! A. F2 o/ X - console.log(webSocket);
# e" }* E! g" |2 d; S0 X2 [7 a - var msg = document.getElementById('text').value;
I1 \/ _3 L! o, H - document.getElementById('text').value = '';
( d# S1 v* ~5 P _ - console.log("send:"+sockState()); B' z4 P' N) _, |8 z; [1 _
- console.log("msg="+msg);& x: Y! W3 R$ F+ P# l
- webSocket.send("msg="+msg);
3 W- U# |' b# j- o& r/ r - document.getElementById("msg").innerHTML += "<p>request"+msg+"</p>"
8 @0 I) O4 |3 p, R+ }: v4 f: ~ - };
( r) k7 u6 @% B7 O3 U -
' u" w- V4 Q u - function close(event){
3 J' M7 n' a. I7 R) ~( p, [1 ~ - webSocket.close();
7 T3 ^ [( ^$ N ~" V4 }' { @" F - }/ y7 Q B/ r$ S# i, _$ W
- </script>
9 s1 B- M6 m f, y$ u0 e* Q4 {) _ - </body>4 O! ?2 F$ j! R2 \2 e: p+ u0 C& w$ g
- </html>
复制代码
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