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php实现websocket实时消息推送+ R5 f' ~: Y! J7 E$ K& D
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SocketService.php Z* g; _* U8 b2 N- k/ {# X
- <?php
% Z' l( W+ \- ^2 x( Z% G7 n7 p - /**$ E: v& Z5 p. H7 C% w# f8 b4 b
- * Created by xwx9 K( `6 x1 C" v% K; W" ^# c3 b
- * Date: 2017/10/186 y* `4 Q; m/ t" m5 x
- * Time: 14:33; u8 \+ l% ^$ s5 A
- */
- `- X3 m6 ?% v/ `4 M# j - / g6 E8 t3 M2 ^
- class SocketService7 N: E3 s' P4 P* {
- {
u6 H# F4 y7 Y - private $address = '0.0.0.0'; q# l8 H- D, _7 @7 @: P* a5 ~
- private $port = 8083;1 g, J ], u& J/ _3 j
- private $_sockets;
) j" U( v4 F! a- u% I, F, F0 _$ @/ a - public function __construct($address = '', $port='')
5 ?% l1 U b' w! @ m4 o - {
; a' Q, l! g1 D$ A! J8 }$ j, d - if(!empty($address)){
& u2 L+ }5 b" d6 ]7 ?* i - $this->address = $address;# Z2 t, [% {& b( q9 z3 |
- }
$ d d$ c' }" V$ M% j4 b5 [ - if(!empty($port)) {% a( t$ s- C& E [; G# x! D
- $this->port = $port;, z) _6 j- V. W) m" }4 V( J
- }
1 r! M9 ^- q4 t) c/ W$ G - }* S' N6 K9 z; S9 J% j3 j6 }5 Q; t
-
' z- p& m5 z& p. K% e1 T: u. e - public function service(){7 ]' [ L" b& f4 w6 u
- //获取tcp协议号码。! i/ w- K" v9 s5 G% {4 p! b, ]8 T" I6 `
- $tcp = getprotobyname("tcp");* X* z+ H- J( I/ U$ ]* N# J
- $sock = socket_create(AF_INET, SOCK_STREAM, $tcp);, ]1 U$ B5 D" y
- socket_set_option($sock, SOL_SOCKET, SO_REUSEADDR, 1);! D" ^+ A! m! b0 X( p; y- M
- if($sock < 0)" B( Z3 W+ ~; b0 w. z% ^, ]8 G
- {
# _$ {% k9 h3 i/ P; |5 z2 w( C3 N - throw new Exception("failed to create socket: ".socket_strerror($sock)."\n");0 X Q' p$ `/ R7 y/ B4 m
- }1 F3 `$ g% |% D/ B9 M
- socket_bind($sock, $this->address, $this->port);; T6 c. E+ t- R1 {' a% Z: N& ?4 F) U2 Z' ]
- socket_listen($sock, $this->port);& r9 a; |1 \" S5 s4 u
- echo "listen on $this->address $this->port ... \n";
" O" o- J2 J: S( E4 Z% l - $this->_sockets = $sock;
& s; _- q7 Z5 u4 v0 w; D: E5 Y - }
) d& i$ t, K- O -
$ G. x" ~/ t$ q% F, `) b9 m8 @ - public function run(){
v; T5 z7 Z' c3 m - $this->service();
* P& N) f7 c5 l, U - $clients[] = $this->_sockets;$ u7 W+ \6 x$ d R
- while (true){0 ?1 v- O* d& M1 I( u( t
- $changes = $clients;7 t; n$ w( A4 P7 F, L7 f
- $write = NULL;; Y7 N: C5 S4 `* w' r8 g6 ?
- $except = NULL;
* x4 P# r; V# J4 r' { - socket_select($changes, $write, $except, NULL);
2 w; j! `$ V) O' A - foreach ($changes as $key => $_sock){
g) z' P; e( _: E4 j; G - if($this->_sockets == $_sock){ //判断是不是新接入的socket
& X5 X0 A" u0 m - if(($newClient = socket_accept($_sock)) === false){
8 w f& ]0 p% K" n% o" L" } - die('failed to accept socket: '.socket_strerror($_sock)."\n");
8 Y( U0 i: C/ Q O8 m - }
7 T! U1 V' R) B: T4 [& y - $line = trim(socket_read($newClient, 1024));
5 F6 A: K* |0 [* M3 W, ? - $this->handshaking($newClient, $line);- a5 Y& K' D3 k" M
- //获取client ip
* l& E0 C5 \8 {$ R7 ?1 g' ~ - socket_getpeername ($newClient, $ip);
% F+ D& y7 f( _2 f6 A - $clients[$ip] = $newClient;0 r- @% Y# w' ]9 x5 |1 P7 A& ^
- echo "Client ip:{$ip} \n";6 S6 U/ [3 o* p( X: t- `* j( Q
- echo "Client msg:{$line} \n";
4 A5 e I. a n3 I2 L+ u - } else {
# x0 k# _9 _# p! ]- c% |# b4 C - socket_recv($_sock, $buffer, 2048, 0);4 _. ~7 @$ n% A
- $msg = $this->message($buffer);! B. x' [+ Z" t0 L( A* y7 S3 X
- //在这里业务代码
5 f& n: U7 E# [ - echo "{$key} clinet msg:",$msg,"\n";
6 S7 z6 B0 X5 G# G, q - fwrite(STDOUT, 'Please input a argument:');7 E2 A. K% Y% ]
- $response = trim(fgets(STDIN));+ f6 A+ n5 E: r$ w5 T
- $this->send($_sock, $response);
z9 v& `: Q6 n1 A - echo "{$key} response to Client:".$response,"\n";. Z/ G, a# O) J \* V
- }+ J* P6 f# O/ f. W5 X5 }7 _
- }
& K$ S$ w, I( o7 a - }) g- |1 f5 a4 k6 l
- }
4 k0 c" V- S; L -
; C4 q' i. B& ?/ `0 s' f" o& Q - /**
* q. Q5 ^' Q) K6 I$ v - * 握手处理
% ` s/ K y8 ]( u: H - * @param $newClient socket8 V' v( O! E& J+ [# I
- * @return int 接收到的信息6 K) H5 Q( Q- i( X# e* z
- */) L6 [6 U3 u) Z' b
- public function handshaking($newClient, $line){3 d+ r4 y' U" j" E, ?
-
# G5 o4 A$ n D" A1 K* ]! K; l - $headers = array();
, ^$ X% L/ b8 K0 e& K - $lines = preg_split("/\r\n/", $line);& r4 W! K: U _" Y. w; J
- foreach($lines as $line)" l2 `# X$ Q( k( p
- {8 ] J' Y; D: z3 L+ ?
- $line = chop($line);
* t* O# m; h) m! o) a - if(preg_match('/\A(\S+): (.*)\z/', $line, $matches))
9 `6 c/ q" T: `: y8 j/ u - {
1 S( W: N" D& f - $headers[$matches[1]] = $matches[2];
' {! |4 \$ V. ~ - }
1 n' w! k" {& D9 y% _ - }0 e0 P0 U, e% Q6 P0 D
- $secKey = $headers['Sec-WebSocket-Key'];
. K/ z) ~, v0 o" |+ \% ?0 A. o - $secAccept = base64_encode(pack('H*', sha1($secKey . '258EAFA5-E914-47DA-95CA-C5AB0DC85B11')));3 I# {0 m5 r# }; m t! v; o& C: L5 e
- $upgrade = "HTTP/1.1 101 Web Socket Protocol Handshake\r\n" .
7 [5 a1 Z' ]+ c7 o) p% n. n - "Upgrade: websocket\r\n" .
, m9 P# C8 f$ H - "Connection: Upgrade\r\n" .3 u q( G7 e4 N+ d" Z& k
- "WebSocket-Origin: $this->address\r\n" .
7 ?6 }9 L5 [, g+ a% } - "WebSocket-Location: ws://$this->address:$this->port/websocket/websocket\r\n".4 d7 ]6 J. T% |
- "Sec-WebSocket-Accept:$secAccept\r\n\r\n";) W+ o9 m% f1 P, P" R0 C
- return socket_write($newClient, $upgrade, strlen($upgrade));9 m2 L9 ]3 e- p {9 V
- }: Z- ?; h9 G5 K& L" _9 Q% E
- & b3 c: w) j+ ?% t0 |
- /**
5 n( L5 N* H; i6 A - * 解析接收数据2 k7 R8 ~4 a' z% z3 s9 Z
- * @param $buffer \& e( r5 g0 i) J- s5 h; ]
- * @return null|string0 k8 d" K5 j: J9 r# ?
- */; s1 ]# k7 O" R- V3 ]
- public function message($buffer){9 B: m. e/ b" Q% L5 R! R
- $len = $masks = $data = $decoded = null; i$ P3 [: j" D4 H9 E% X9 u
- $len = ord($buffer[1]) & 127;! ] f ?3 y9 v& r/ ?
- if ($len === 126) {" A, Q0 c a5 Q' c9 |) a
- $masks = substr($buffer, 4, 4);% _( d9 \6 ?9 H0 H6 }
- $data = substr($buffer, 8);
/ t+ S# i! y' I3 c% d0 K - } else if ($len === 127) {
6 |: e7 ~2 S1 ]" b" M/ d5 Q `$ b - $masks = substr($buffer, 10, 4);
- f! }8 E6 `- t" J S - $data = substr($buffer, 14);$ }! C6 ?# ]8 X6 r) l2 X1 R' m7 a
- } else {; l1 J# n1 p/ X) \6 @9 {. C
- $masks = substr($buffer, 2, 4); k5 [# G5 l6 s
- $data = substr($buffer, 6);
7 q) s9 _4 G; G2 V8 f - }
0 w- }; X, Z% K6 G' P$ e - for ($index = 0; $index < strlen($data); $index++) {
3 S+ P j: S1 D! a- R$ ^' R4 m - $decoded .= $data[$index] ^ $masks[$index % 4];
# c) R7 A4 E" i0 G6 O4 s* M - }$ ^1 _# r- K' a- U; O
- return $decoded;" g8 O$ q1 A! H$ \3 k3 B0 n. ~8 I
- }6 S1 Y6 s( w6 [$ z
-
% A/ c% S( y$ p6 S8 F. x - /**5 {9 _. r7 |1 D% d
- * 发送数据
5 y" g! k. Q0 u8 r, r2 k5 v - * @param $newClinet 新接入的socket
( B+ ^) ?, T6 Y# E# N! F - * @param $msg 要发送的数据
R, Z& @: V& ] - * @return int|string
1 O/ I. }" c; W0 ]- S, i- W - */- J) S% z( P" f. ^
- public function send($newClinet, $msg){
6 R- V1 j- Y l - $msg = $this->frame($msg);
5 C9 x: x, q0 b# C) Q$ |9 y& I - socket_write($newClinet, $msg, strlen($msg));3 G1 p1 V: f1 [8 Q( g
- }* U" T/ z$ L! _& `# a% S
- % k2 X: K( L: B/ z( ^" G
- public function frame($s) {: M' g4 A% Y+ F+ G9 v! X1 V: J
- $a = str_split($s, 125);7 g; L0 Q7 H9 G2 x# c. [' t
- if (count($a) == 1) {
; z/ N# V D) |% A4 l/ X# r; G - return "\x81" . chr(strlen($a[0])) . $a[0];
, H- e+ p. p6 ~7 Z [0 D - }4 Y5 J. }- |9 V( m# o% P
- $ns = "";+ ^' b% U6 k2 v. Q9 ]3 I, [
- foreach ($a as $o) {4 p$ m$ P. w2 D( p( N6 E, R$ @
- $ns .= "\x81" . chr(strlen($o)) . $o;
7 E* g, V" o: a/ W& `+ G; r& k - }8 D6 `" z% J. \" a" m
- return $ns;& j5 c _0 e* z7 @! o( P _- N/ H
- }' y# l- Q$ j) Z: @. J/ ]5 s
-
& j& u$ `6 o/ W X - /**
( c+ S- ?5 F9 I- l: u U6 n4 }( h - * 关闭socket) C# d% X2 Y; ]. U' D* v
- */
; U: E! \9 k1 B& g& S* W _; O - public function close(){7 W. C# \* L4 O4 q, O A2 V
- return socket_close($this->_sockets);# _; b& } o' m/ k2 D
- }4 F+ K3 O9 u1 Y# B/ j
- }0 ^+ _# N% T6 n B
- ! u8 x+ d* t5 f
- $sock = new SocketService();
+ i8 _. ]% W8 C& g8 A" g - $sock->run();2 Y* u$ n: [4 K/ n
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复制代码 web.html6 v# [2 G6 h: e
- <!doctype html>% A* B; z" k$ Y# l: ~; J% U0 k
- <html lang="en">/ L( g. R* d( ?. q* l
- <head>
6 o3 V4 q6 h% h - <meta charset="UTF-8">
" S$ A0 E+ G- ]$ F; h7 y% c - <meta name="viewport" content="width=device-width,initial-scale=1, maximum-scale=1, user-scalable=no">
* s# L' v: C' ]7 ^+ K8 }! T - <title>websocket</title>
7 G8 t8 w9 s7 T - </head>4 l5 \# B( H( i' [
- <body>* y9 T3 p0 }% Q9 W5 A
- <input id="text" value="">2 g2 U% D# l' l) {" @! `/ ^
- <input type="submit" value="send" onclick="start()">8 I z" ]* ]5 p
- <input type="submit" value="close" onclick="close()">
0 U5 o2 y) i" c/ p4 ?% L - <div id="msg"></div>
; _9 J+ T8 ~. o" p- B, S - <script>
4 Q y& S: L* o+ D, | g - /**
7 B5 o2 m" K8 k4 I; q C - 0:未连接# V1 ^: Z5 l* m1 c. J
- 1:连接成功,可通讯, G! ]# O" n. c; e! B( N: h
- 2:正在关闭
1 K6 F4 N3 Y8 J6 g# a# p - 3:连接已关闭或无法打开& I. J' B0 D) D9 b& g2 i
- */+ g, ?8 b6 X& r0 e- L$ g% M" M
-
" q: K9 t5 V u' B0 |; K- J - //创建一个webSocket 实例4 J7 n M/ y4 d8 {0 D
- var webSocket = new WebSocket("ws://192.168.31.152:8083");3 I, `% T! I8 h/ \9 @
-
2 V3 ^9 N% L$ s) V! w - / H; f3 G; y4 |+ S; B
- webSocket.onerror = function (event){/ k7 ?/ f3 x% R6 R" ^2 D
- onError(event);
# ?/ V8 @" C; |0 m# Q" T# F, i - };+ x9 [6 Q' P$ q" b9 i
-
3 F0 t9 H# G% n1 c9 J( { - // 打开websocket9 i/ q6 @$ V6 a
- webSocket.onopen = function (event){* O/ z* C( C: r& c% t# j/ i( I7 F
- onOpen(event);
- p3 H" o7 p9 p/ e - };6 h( e) c* _" m9 s
-
0 R% j/ B2 l! p# o - //监听消息
$ m# f" h4 j4 k: M; F. T, b! L& ? - webSocket.onmessage = function (event){
- S* ]" L8 J/ a- @7 v - onMessage(event);7 B$ b; a* D8 L9 v* U
- };
) r! F; a+ d9 v8 ~3 C' q - " E3 t8 O! q g# i( c8 t
-
. w' R e( H+ O; a7 k - webSocket.onclose = function (event){
0 }3 ~. A. F0 V) b - onClose(event);
( {" i# B% ~* z8 c0 t6 T - }
* J6 V6 q: {: m( ^ -
. l2 P8 M/ ?( y7 P - //关闭监听websocket
; p2 T$ o* \; r3 n9 v - function onError(event){
$ L% z0 `% l5 m% _1 X% I4 t) O% G - document.getElementById("msg").innerHTML = "<p>close</p>";
( j9 ]* Z9 a# W" D - console.log("error"+event.data); s4 w' ~: B1 t* K
- };3 ~' \2 N$ ?: j8 \; w
-
2 Z3 {* `0 u7 l - function onOpen(event){
4 [5 h) o+ b7 Z5 L& w/ [ - console.log("open:"+sockState());
4 f; I" E' P( V7 n3 Q- H - document.getElementById("msg").innerHTML = "<p>Connect to Service</p>";
' ? q# \, ?% u2 }! P - };
! Q- d# X5 ~7 O1 ]# ] - function onMessage(event){
/ q' }) u) i& c: ?% O - console.log("onMessage");' ]0 C; e W) p! C8 k* b1 T
- document.getElementById("msg").innerHTML += "<p>response:"+event.data+"</p>"
. z4 E, x4 h+ h, O - };
+ A8 J) W, @3 X -
8 i; H) P- d* h' Z1 u7 h - function onClose(event){2 x0 [ b5 w) t1 `2 K' T& [+ e
- document.getElementById("msg").innerHTML = "<p>close</p>";( M& Q: x- D' k5 ?5 j6 I
- console.log("close:"+sockState());
5 I+ N. L, j+ s' h- n - webSocket.close();
% q1 @- P8 v9 d: n9 S- p) s - }
5 n- W0 t6 t/ B) |3 A/ O# s -
) L0 z" Z" w$ x, } - function sockState(){
& F& }9 t& w' x3 f4 Q - 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'];, @: C. ^1 _, s3 ^
- return status[webSocket.readyState];
+ ]0 Y6 y7 |4 o, t8 X - }" n B5 H" V/ e7 J9 z. V! i3 `
-
2 @+ c6 |: C( n5 b - " A# g/ s4 o3 o6 `8 h
- . z. K" X! C6 r( k' B
- function start(event){
9 R: C5 `2 S. l9 r0 O+ ] - console.log(webSocket);
+ m2 K' r- J6 l5 r/ B0 |: z9 E - var msg = document.getElementById('text').value;8 \2 Q/ c3 s- V8 E- ~$ B
- document.getElementById('text').value = '';
9 o9 s: w% G0 \6 ]: V - console.log("send:"+sockState());- D6 R1 y* P, [) `! Y
- console.log("msg="+msg);
6 z$ Y! P1 p/ R$ n - webSocket.send("msg="+msg);: a- q w6 W1 P- K1 i& U' _& e. P
- document.getElementById("msg").innerHTML += "<p>request"+msg+"</p>"; ^8 K: l* f: `% O4 v$ e
- };
# M4 f( Z; _8 Z1 U0 Z) C -
) o$ k0 `' b# u5 a" ? - function close(event){
9 w# D7 N# i- m/ ^ - webSocket.close(); Q( z. r) r' l( t. A
- }
! Q; V* w+ ]% P. g$ n( b- w1 W - </script>7 n) q3 x5 v8 @# s6 S$ K( l4 k2 u7 s
- </body>
8 s, J5 _& Q0 q9 g$ e# L0 M8 Z - </html>
复制代码 ) |' t* O7 ]& a/ M
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