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php实现websocket实时消息推送
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SocketService.php
1 A! C7 P4 }0 x1 P0 O- <?php
: M" d$ Y3 q6 X - /**
% e, w: \, P) z; v' {# ]# O - * Created by xwx- _ w8 ^7 V6 d$ y1 d v
- * Date: 2017/10/18* ~: V; b$ ]3 S" {
- * Time: 14:33
- [1 b4 {/ B: R1 M0 \0 m - */
# W- X- C' B! M9 y6 { -
- j$ a3 r8 s E$ H4 h8 ]/ B - class SocketService; z3 k* A% c5 ]8 x/ J$ d3 T
- {
# j+ B8 R9 m( R& B3 X - private $address = '0.0.0.0';) j7 g. F+ n6 N6 h
- private $port = 8083;1 x' j8 t9 v' k$ S
- private $_sockets;
! B) k7 [$ Z/ b/ f3 w* X- i - public function __construct($address = '', $port='')- i; q$ d" J) t! q5 {! ?& J6 s4 O
- {
2 F6 g# q5 n, \! F3 i* M" W8 B - if(!empty($address)){
0 ~4 G" `' L' G$ `) Y0 a* r! z7 @, v- O - $this->address = $address;
0 I$ [) X8 y! I T, O: G9 S- C( a - }
- H/ } c4 [5 U% N r - if(!empty($port)) {
* \2 i. s) F3 C$ X - $this->port = $port;; i% m' P0 x x9 o8 P# L
- }- j- \/ i$ U) }5 U' B0 `
- }
3 ? z6 p) \8 C9 ] -
- W! _7 d. \% D' R a. _7 k: F - public function service(){
% z3 D, Q6 A- x - //获取tcp协议号码。
! ]' F \$ P2 D X3 q" w+ r - $tcp = getprotobyname("tcp");8 d' L4 o- @. o/ T& {
- $sock = socket_create(AF_INET, SOCK_STREAM, $tcp);
/ I0 Q, H6 e4 x5 p) H - socket_set_option($sock, SOL_SOCKET, SO_REUSEADDR, 1);
5 L: G7 z- K, t) B8 z/ ] - if($sock < 0)1 R3 C8 z4 u; z, k5 B2 X, B; n
- {5 p5 [7 P, u7 [
- throw new Exception("failed to create socket: ".socket_strerror($sock)."\n");
9 `6 T+ N% Q' O - }
% [$ F* w$ c6 B: @ - socket_bind($sock, $this->address, $this->port);) C. g5 h7 j9 K& Y- ~$ h: U
- socket_listen($sock, $this->port);4 I; Z9 r# [, S% \/ { s
- echo "listen on $this->address $this->port ... \n";
1 X9 V, e Q3 ?& H# g4 Z8 N - $this->_sockets = $sock;
7 v3 p, o9 k. h1 w: n - }- a2 N6 b' L8 ?- }( [% |
- . e% D$ @. t, A$ f
- public function run(){+ d4 }9 A# Z& u
- $this->service();
0 H7 J( W8 H, m! k8 y - $clients[] = $this->_sockets;4 I3 e1 s x$ v2 k" X h
- while (true){" L2 O+ @9 p8 v; t0 L) J$ y e
- $changes = $clients;
( `" V( T# U0 C - $write = NULL;
' w' q# Y6 J8 M7 Z; R) Q - $except = NULL;
' \% t" x, m, g" Z$ ]% l1 a - socket_select($changes, $write, $except, NULL);4 g/ a" @( @- }) v2 e0 {
- foreach ($changes as $key => $_sock){! o; U! { L' Z" w. a, y9 n* _
- if($this->_sockets == $_sock){ //判断是不是新接入的socket4 D& ]/ H+ u' q$ ^3 ], v- S7 w
- if(($newClient = socket_accept($_sock)) === false){
0 i# @/ t. k, G, G- S3 r8 b! S* w - die('failed to accept socket: '.socket_strerror($_sock)."\n");* ~% T5 y+ L8 m1 N3 d$ k6 Q, _2 |
- }) V% M" n, \2 f) h
- $line = trim(socket_read($newClient, 1024));
0 w! Q$ u6 _( H - $this->handshaking($newClient, $line);
$ j1 ~8 ]" a* K( y8 d5 S2 a - //获取client ip
, I. \& ?9 u/ G. ~ - socket_getpeername ($newClient, $ip);* T2 b7 f% i7 h2 K, A
- $clients[$ip] = $newClient;# D) i, l. H. Y# f- k
- echo "Client ip:{$ip} \n";4 n4 g2 y- X4 Z7 U- E, z
- echo "Client msg:{$line} \n";& g& w& c0 j4 w1 }
- } else {
' [' H8 L8 w$ ^6 j- F- m - socket_recv($_sock, $buffer, 2048, 0);
) V. M" k7 S2 E/ x/ { - $msg = $this->message($buffer);3 |+ `, g/ P' G5 P8 \
- //在这里业务代码% G" h( y1 J$ ?: ?& \2 ^& H' n/ F
- echo "{$key} clinet msg:",$msg,"\n";: y+ e: |8 I+ q6 q2 d! ?3 S; U
- fwrite(STDOUT, 'Please input a argument:');
8 z% r" Q! T3 u8 w - $response = trim(fgets(STDIN));5 ~- n' B$ _0 f+ E: _
- $this->send($_sock, $response);
' [# f4 n8 c0 b - echo "{$key} response to Client:".$response,"\n";
7 Y0 Z! Z2 Z& s% T, F - }' Y& x* [6 {' ^ R; f* [
- }6 {5 ]# U: k! i
- }8 L- b! t$ Z9 i3 \
- }+ \5 z7 w+ v1 a
- 2 n/ o% \6 s3 f# n: v
- /**0 `) o2 ?( X& C* j
- * 握手处理) X I/ T; E: M H4 Q: K( S4 }/ m- _
- * @param $newClient socket6 ?3 |' x: R7 d$ U4 m A0 g
- * @return int 接收到的信息' }. ^# W+ c- O9 O
- */: S! j8 B& i! u1 O2 ]' @
- public function handshaking($newClient, $line){8 x. _5 ~* S0 ~7 @
- ; q: Q0 l T7 M. A) b
- $headers = array();4 q H# T/ Q8 S) d9 J" q
- $lines = preg_split("/\r\n/", $line);
o! s( _7 I Q! `& b - foreach($lines as $line)
% c" }: g, ]: |0 s K# A - {( p8 _8 m4 u) b4 L1 Z8 Q; b
- $line = chop($line);& m: q! q2 J8 l! |0 @& X
- if(preg_match('/\A(\S+): (.*)\z/', $line, $matches))2 D+ o" o! l; V7 }
- {
2 |9 s- O% P, L8 x1 L - $headers[$matches[1]] = $matches[2];
* i2 [) e# c: s; @# t* O - }! o- m, ?) Y, y- X4 |' M1 E
- }' A2 c# ^/ r. }- y7 Z% d
- $secKey = $headers['Sec-WebSocket-Key'];
0 Z! F+ ?$ K- k# u - $secAccept = base64_encode(pack('H*', sha1($secKey . '258EAFA5-E914-47DA-95CA-C5AB0DC85B11')));- K9 s2 @/ W+ q
- $upgrade = "HTTP/1.1 101 Web Socket Protocol Handshake\r\n" .
, O) N3 j+ m2 g5 x" W9 y, b - "Upgrade: websocket\r\n" .
$ p# U. b4 h4 f2 Q2 _4 q A2 h - "Connection: Upgrade\r\n" .: v9 p# k# g! H6 r( w
- "WebSocket-Origin: $this->address\r\n" .; H, ?6 `6 w2 }
- "WebSocket-Location: ws://$this->address:$this->port/websocket/websocket\r\n".( c. T! W' |: l+ D) r- V
- "Sec-WebSocket-Accept:$secAccept\r\n\r\n";
7 y8 o$ m" s" f* d) L - return socket_write($newClient, $upgrade, strlen($upgrade));
, k8 r ^3 l* `! @0 j - }1 Y: g( A' k# p+ e" X0 a
- & _' Y+ K4 Z% m9 R
- /**; R) X- C- U: K1 _
- * 解析接收数据
7 R* D; q7 u# u8 @6 t" I0 Y) I - * @param $buffer1 B0 q( |! U6 Q* e. T
- * @return null|string- [* k1 w( _8 }0 m1 c7 B
- */9 k. a6 U" U+ U7 }7 A
- public function message($buffer){8 u6 \, V. l2 O9 b/ p4 _3 `
- $len = $masks = $data = $decoded = null;9 i5 T! m. u Y: M. i, {# [0 w) j
- $len = ord($buffer[1]) & 127;" {: p0 J* j& y! i
- if ($len === 126) {- h u. i0 P# Y- ]6 R
- $masks = substr($buffer, 4, 4);
0 y* k* T0 |% k( N2 h - $data = substr($buffer, 8);
8 U! ?/ G( H" W - } else if ($len === 127) {
( F0 Q8 D) y) ?- W - $masks = substr($buffer, 10, 4);) N, @) m$ M0 U0 A
- $data = substr($buffer, 14);
& B% t' r8 `# S& d, {4 n - } else {
$ H/ H) u& D. S- R - $masks = substr($buffer, 2, 4);
6 s1 {9 i$ i; V" _' h4 v- l" f7 @ - $data = substr($buffer, 6);2 x w: r7 q- D
- }" o5 J& H# X# B/ }) w; }# b. p
- for ($index = 0; $index < strlen($data); $index++) {* o% V0 h/ k4 T1 C8 r, r
- $decoded .= $data[$index] ^ $masks[$index % 4];0 k6 T1 ~. K% f' _, |$ z- F
- }
' c, G- K3 i# u8 Y5 } - return $decoded;
+ A) [! G# m5 m( H2 I) T2 ^! q1 v3 ^ - }7 T$ m$ C/ Q" U, g; ]: P
-
% R6 \% t9 I7 F X t5 p - /**
: P9 T) B, K% q+ z- u. K/ ^1 M$ ] - * 发送数据7 }# S( {2 J7 ~6 Y: h& F5 q1 g
- * @param $newClinet 新接入的socket# i% |! z' {! g0 V k, E" |5 K
- * @param $msg 要发送的数据7 E+ o9 C( p6 \- ?
- * @return int|string! w" ^; K% V4 Y0 {
- */3 K- p% Y4 {$ m+ G& u* `. G- h
- public function send($newClinet, $msg){
1 n. @6 y) ^- x - $msg = $this->frame($msg);& c! c" N9 Z/ U0 ^" ^
- socket_write($newClinet, $msg, strlen($msg));
0 e6 t7 k" _9 u# h; V3 Y5 ?% _ - }
& j: l. p0 {7 H: l3 u - & C+ r7 O$ ?' w5 q
- public function frame($s) {
T# P8 |$ P9 w$ B3 b b' K5 P - $a = str_split($s, 125);( p8 E% n, x- g, y8 L
- if (count($a) == 1) {+ g7 G. ]) d! J" O R- |9 x9 p
- return "\x81" . chr(strlen($a[0])) . $a[0];% J( X& m& y! q( B9 j
- }2 O1 T, Q( h- L
- $ns = "";
: n6 K4 I. W% W - foreach ($a as $o) {& n- k4 f1 p! J
- $ns .= "\x81" . chr(strlen($o)) . $o;3 N% ]& t( Y, ^( I/ `* o$ Y' @
- }
0 ]* D: d# D$ Q0 Z3 K3 K - return $ns;
7 f" b# h& I* X1 o4 F9 r - }* z$ [* \% ~( J5 ^# c
- ( x" Y v7 o& L1 H" P: S9 V8 |1 K
- /**
) C. G Z# ?# l9 L( B+ l - * 关闭socket \; L4 y5 t' D- j7 ]/ F: z) Y5 v; ]
- */
: a+ y* d. e0 N - public function close(){
/ G/ V1 B r) `) S7 | - return socket_close($this->_sockets);/ x u% Q- [3 a7 ~: r# ^
- }
6 n x7 I q" Q" m$ f! L: a - }
3 L9 r* V9 L1 h1 W, y -
0 m) J1 A" }4 i* t4 b8 N( d - $sock = new SocketService();& D8 K- ~9 N8 S% ]
- $sock->run();
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复制代码 web.html/ ^4 s. o7 J. v; T- H8 i7 R
- <!doctype html># D3 q9 r6 \- N7 F& E: c; D3 V
- <html lang="en">( h/ k0 B+ z+ G' ?# [
- <head>
6 t0 X, X @2 F$ n" D$ S - <meta charset="UTF-8">
' G! \6 D& \, Q* c# n% H - <meta name="viewport" content="width=device-width,initial-scale=1, maximum-scale=1, user-scalable=no">; ]! \3 ^1 _, Y B% Z- X" B) E
- <title>websocket</title>
, Q0 H8 h. d6 s0 p2 H - </head>
8 W) b. p7 L Y - <body>; B7 g+ a' V2 f! R! W9 `
- <input id="text" value="">3 m j; G0 m( S! x; z5 @9 ~7 C
- <input type="submit" value="send" onclick="start()">
+ s2 B2 q' h3 h - <input type="submit" value="close" onclick="close()">- ?0 r* ?/ w) S( ~' c% ^, a
- <div id="msg"></div>: m! y! Q4 w. i( ~& {+ d% J$ d
- <script>; f" u6 O# a6 S. r0 N
- /**
/ {; T# _! i& e. s - 0:未连接* P; P- H& e/ Y+ U: f5 \
- 1:连接成功,可通讯% X- P% A8 s4 j& W9 ~
- 2:正在关闭
R. |' b$ Z; C b$ X - 3:连接已关闭或无法打开
. O; J) G' O/ Y( S - */
7 I7 r4 P9 Y5 ~ - 2 |* w, D0 |- w$ o8 h3 _
- //创建一个webSocket 实例
' H7 D$ |: _# w6 s( R+ f4 S3 c - var webSocket = new WebSocket("ws://192.168.31.152:8083");
5 b! }, v6 D5 `. ]/ x5 s+ Z - 9 X' h7 j8 ?0 c4 s
-
9 ?5 e F' z1 H T3 ]0 C( G - webSocket.onerror = function (event){, ?; d/ e& V$ G9 |
- onError(event);2 ^9 l0 i; r& R8 T
- };
6 j! ]4 k+ `. x& |+ e$ V* t4 W( v) { - 2 K' D6 d6 M! h% u+ r( S5 g
- // 打开websocket, z) [" m% Y( i; J
- webSocket.onopen = function (event){
; i1 ~# c( G' n7 o+ Z4 R$ V: s - onOpen(event);
9 R0 I `- i% _' [2 A - };
+ O+ F% W6 `% r: S( u -
1 @) A/ w' O/ D: f, t; d' l - //监听消息
* m8 H" o. X/ \' f" u5 t6 A% H2 ^ - webSocket.onmessage = function (event){
2 d/ V- ~, a* p3 o" E - onMessage(event);8 F% A/ u2 u1 ^+ b
- };# Q! Y, r: q2 q
-
7 N1 t `# s9 L& }. z# Y) b% r -
6 X8 m( m2 v/ I9 D2 G, J! n% {6 a - webSocket.onclose = function (event){) M' X+ O* t! W1 |1 v
- onClose(event);5 R0 c& U; U5 l V9 L! p, P; @" D
- }
9 P' `& @ E( {. w8 p( j5 w -
( ?* Y% Z/ ^# v, X+ e - //关闭监听websocket$ O) Q) Z5 x/ h& z
- function onError(event){* a6 j+ Z6 D; o
- document.getElementById("msg").innerHTML = "<p>close</p>";
; D8 ?2 L( P X9 g; L, `/ ]8 U - console.log("error"+event.data);- b! P v h+ r! B' E" R
- };+ K- w# h+ ~' w" I. \1 f- t" p1 |
-
3 C5 q! [$ o9 k8 j - function onOpen(event){
( i. }0 Z/ x( j) _9 B - console.log("open:"+sockState());
2 p- |4 I4 {3 f8 e! x - document.getElementById("msg").innerHTML = "<p>Connect to Service</p>";
( H- T- v" v' L - };% K Q% k/ E. c0 k3 `
- function onMessage(event){1 Z. M0 T* h. V
- console.log("onMessage");
8 U: f7 u- G) l( U$ g' ] - document.getElementById("msg").innerHTML += "<p>response:"+event.data+"</p>"
1 \* I8 ~0 r2 x - };, f* w# E5 w1 x
-
# x7 T9 J: o" s- N$ A( Z - function onClose(event){
& d, W/ S) _, _ - document.getElementById("msg").innerHTML = "<p>close</p>";
E$ E/ G# |' g6 {0 Z# z+ l - console.log("close:"+sockState());
, k+ c6 U" h1 [, f" g8 j7 `+ f9 J - webSocket.close();0 }& b! E! \4 n% [) j
- }
' ?$ K0 M$ x( Q: u6 E - 8 v1 t; H( E/ i* l. _- T }9 }7 k
- function sockState(){
g! ^ J* c3 d, l! ~" r - 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'];0 H1 B: G+ c; G
- return status[webSocket.readyState];
* }0 z; t; E$ z - } L; `/ `( D. s0 l/ M
-
+ B0 l" q W% o7 i! t8 ?* h -
# @4 ^! g) q. }8 m - 9 t6 E# }1 S$ H( k T
- function start(event){3 |: g& G# M1 ]2 N/ s
- console.log(webSocket);/ l" ?7 C+ ^3 V6 ]/ w( T/ G- m" ~: S
- var msg = document.getElementById('text').value;$ \, _& i9 t J% M
- document.getElementById('text').value = '';
3 ?0 M, v; [1 v G - console.log("send:"+sockState());
& t4 X. j4 B2 b/ Y+ o+ v7 j D - console.log("msg="+msg);
- C+ T* R; N# a$ R" j7 j( z( F - webSocket.send("msg="+msg);
* b8 Z2 s& {% H. d. @ - document.getElementById("msg").innerHTML += "<p>request"+msg+"</p>"
5 F0 v; ?# ?% T8 a; x3 V - };
0 F3 U9 d) o' j- \ C& n5 a -
" z7 L8 V' ~5 a8 A - function close(event){1 V$ L$ d! }6 s* J9 c! \
- webSocket.close();
$ [7 M J' q9 J$ c: y; l) h" F - }
% r9 m; O3 t, p. A. |1 E - </script>
{2 O5 ]; j5 [2 E6 K - </body>
7 T! A( {; q2 E* I - </html>
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