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php实现websocket实时消息推送
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/ v6 I5 Y* b6 `5 M1 A! y5 W! DSocketService.php
( i9 B) R2 ?3 ?" c1 n- <?php: b; I4 l: e' @5 {
- /**& J5 ?( Q' h( o0 q" C& c
- * Created by xwx( Z3 O/ O8 l1 q3 F# y7 S
- * Date: 2017/10/18
6 T( c1 r8 r- c: u' p - * Time: 14:33
+ {: q9 W3 B$ g# H* N+ j' m. F; q, q - */
2 W3 i4 }0 w: f - 2 _/ k' f; m7 R
- class SocketService$ u9 l$ d1 y! G1 Q. w9 Z
- {* Z5 o, U" N( i4 p
- private $address = '0.0.0.0';) j- [4 {4 e9 S* l6 B! x$ u: f/ G
- private $port = 8083;
7 `, N' g( D k ` - private $_sockets;
+ F3 Y, w h( w. }7 w* \# [$ { - public function __construct($address = '', $port='')
; Y% X! p& t- I0 k5 y - { @: T! K3 V6 ~, G" M% k
- if(!empty($address)){! B: s. z" @- s4 i
- $this->address = $address;0 |9 x# q8 x; [
- }
" H* @$ F8 t% Y, v t4 i - if(!empty($port)) {
o, k8 {: y- V - $this->port = $port;
2 C+ x+ |) S7 R4 h) f; X - }
+ y- K0 o; E' O3 I( f$ Z" L* ] - }
* r3 f0 ]5 R5 L* h5 W A - 2 O$ n+ H5 [; y* f4 @
- public function service(){
4 h$ O j8 @( a9 x. o - //获取tcp协议号码。' u3 H/ _( Z6 [1 x0 V3 l# V
- $tcp = getprotobyname("tcp");
( B/ U1 r: ]2 h9 ~ - $sock = socket_create(AF_INET, SOCK_STREAM, $tcp);
% ~0 }" D; h% e7 [0 y7 k5 F - socket_set_option($sock, SOL_SOCKET, SO_REUSEADDR, 1);- j! D0 C/ Y t0 b# y
- if($sock < 0)
+ t, n, N& Q5 T& S+ J0 V; |) o - {
; x# m: B' n1 J4 f6 ?$ o, V' K+ X - throw new Exception("failed to create socket: ".socket_strerror($sock)."\n");7 N( W8 T8 @3 [! F; {: ]
- }; I) M; }( J8 @5 }
- socket_bind($sock, $this->address, $this->port);
+ H3 X9 |! n) Z! I5 D - socket_listen($sock, $this->port);% f2 O) v1 W; p5 [6 ]
- echo "listen on $this->address $this->port ... \n";1 |1 T5 s1 Y0 K% o. m6 \$ S( \
- $this->_sockets = $sock;
* y7 d2 ^) v) [+ L+ u2 _; ` - }
9 J- n D+ E/ S& b. r1 x - $ `3 U+ ^2 N1 {! f. s( Q& O
- public function run(){
1 J/ f5 a$ i! `) u" ]9 M$ J - $this->service();. F8 I6 p* [7 a% B6 R. c+ `
- $clients[] = $this->_sockets;
6 D. \' Z; A& g3 d) m6 m( U - while (true){
8 I2 i0 T) b; p4 R i$ A - $changes = $clients;* g2 u9 T$ r7 X D3 k$ [+ ?
- $write = NULL;) q0 c8 ~% T' p2 E
- $except = NULL;
$ ~" O3 J# t$ D- C+ D. Z8 H) \2 J - socket_select($changes, $write, $except, NULL);
! K$ M7 `. M2 K S# O - foreach ($changes as $key => $_sock){
& b, t: Y( O. K - if($this->_sockets == $_sock){ //判断是不是新接入的socket" [" W3 J1 \$ x+ i5 K, C
- if(($newClient = socket_accept($_sock)) === false){' h# ]0 {: N: j1 Y% q
- die('failed to accept socket: '.socket_strerror($_sock)."\n");- _* w- h2 g) @* o4 `
- }
6 A, ?8 k, E: {1 X. c8 H - $line = trim(socket_read($newClient, 1024));$ x% @3 v( f+ r$ ?- m. C5 M3 `
- $this->handshaking($newClient, $line); x; e' C$ z* X8 f W
- //获取client ip
: ]6 i% k a- w0 o1 D - socket_getpeername ($newClient, $ip);
4 J9 G9 V# R& g% O; z - $clients[$ip] = $newClient;3 P0 q6 B9 T5 E) d$ Q
- echo "Client ip:{$ip} \n";
( z0 \ h2 R. k+ v+ V8 t - echo "Client msg:{$line} \n";
! x, p) J* {' [7 t8 F2 R# D - } else {
. q+ i4 K# F1 Y5 s - socket_recv($_sock, $buffer, 2048, 0);
- g( F3 v6 u( g7 |/ m5 m, @ - $msg = $this->message($buffer);
8 |. P$ r$ @8 X) K) l - //在这里业务代码
5 p# ]" i7 M1 D3 h1 l+ Q, C4 b - echo "{$key} clinet msg:",$msg,"\n";2 S4 e8 q( A, P0 G, N: G
- fwrite(STDOUT, 'Please input a argument:');2 O$ y2 W( {. B3 M9 `1 J
- $response = trim(fgets(STDIN));" f) e9 A; p# j3 ]- j
- $this->send($_sock, $response);: ~( j1 _- [) v' f: [
- echo "{$key} response to Client:".$response,"\n";8 p) N; [. J+ w: I
- }9 b: F/ c; m( D# u8 }% p
- }
) K N {) Y0 r$ H8 l8 n8 ?- k, r+ P - }
5 |' h: a2 Y% v) @ - }
8 I' _5 L# M7 {% K$ b7 d -
0 h' l$ N0 r, I$ a9 w/ p8 d - /**9 f |9 Q, y" a3 W: h7 U9 L2 {
- * 握手处理
( L1 g$ }0 e$ V; a3 t% C - * @param $newClient socket
+ [) Y5 b. g W9 a8 a) |* O! E - * @return int 接收到的信息
- H7 Z$ J) s7 d - */
' ?4 m; s" s8 N+ ~( _1 \7 ` - public function handshaking($newClient, $line){) n7 w* c( t! V# f% e. N$ b' e
-
6 B7 }; j) i3 o) b - $headers = array();! k: c% _4 I* |9 X
- $lines = preg_split("/\r\n/", $line);
! w* D! ?+ ?: e6 H Z) j; t - foreach($lines as $line)
2 n2 [. z! K# M6 Y1 R+ |2 v1 j - {
) K4 L! k) O0 e6 O5 P - $line = chop($line);% Q$ Z' J. V3 X' A5 g! q
- if(preg_match('/\A(\S+): (.*)\z/', $line, $matches))+ `& G1 O) D3 I2 d+ U5 F
- {& k5 e1 K! w. F9 q) h* @
- $headers[$matches[1]] = $matches[2];
/ C, S% C$ ~( f. L% ], q - }
7 |# w( O4 A" ^6 r% v - }4 J5 m) V# o, X6 ~9 a+ r
- $secKey = $headers['Sec-WebSocket-Key'];
: U5 O3 ^9 f, m- P3 @; e- [ ^* ^# p - $secAccept = base64_encode(pack('H*', sha1($secKey . '258EAFA5-E914-47DA-95CA-C5AB0DC85B11')));
! ?9 _! j0 C: K: B6 [, s - $upgrade = "HTTP/1.1 101 Web Socket Protocol Handshake\r\n" .
' O% p. |/ x4 O: C* L/ \) p - "Upgrade: websocket\r\n" .
* e6 y& R0 E5 U9 l - "Connection: Upgrade\r\n" ./ W2 |1 {! E, w d+ F
- "WebSocket-Origin: $this->address\r\n" .0 [" O0 e8 A. v5 l
- "WebSocket-Location: ws://$this->address:$this->port/websocket/websocket\r\n".
5 C2 Q; \) |9 A8 x' y. I* ^3 e - "Sec-WebSocket-Accept:$secAccept\r\n\r\n";( s5 b7 q. |* s
- return socket_write($newClient, $upgrade, strlen($upgrade));) F* z! V6 n" F( c' k8 J
- }1 x$ ?) V! B. \: B1 W% e
-
& y0 L! j3 e+ T7 L* H! @ - /**
- w8 L0 L3 n3 @* f0 d$ l - * 解析接收数据
2 I! M, D( J* i, g" B! X% H - * @param $buffer7 A/ U! T, m, Z( m2 x$ m
- * @return null|string
8 |+ T" x- g6 {4 `; j/ K+ G5 D - */& L* L; h. K! J6 g Q. {6 h
- public function message($buffer){
7 M0 x8 ^8 m8 V& v4 U+ M" B" O% f! p( H - $len = $masks = $data = $decoded = null;* K+ S$ o/ Z% E5 r! N J" T3 r
- $len = ord($buffer[1]) & 127;! k& D2 d/ ? y6 r% g+ `
- if ($len === 126) {
: v1 n5 C1 P6 { - $masks = substr($buffer, 4, 4);4 m9 q1 ]: X" n9 ~$ d1 J! L
- $data = substr($buffer, 8);
3 L; m+ b2 Q& }6 Q5 h# z2 r - } else if ($len === 127) {- I. S+ `! z, J! k& y: P, h
- $masks = substr($buffer, 10, 4);2 N) ?8 x! w3 z+ Y. ^
- $data = substr($buffer, 14);
$ M7 o# Q5 p* O0 ]5 O! e U( j - } else {
4 F' i0 e! q0 P- W$ y" A5 A; ]2 z - $masks = substr($buffer, 2, 4);# D% O% c Y3 v+ M8 J
- $data = substr($buffer, 6);" S9 z" `, d8 {, [5 z/ R
- }
% Q3 Y) p. f6 V: m - for ($index = 0; $index < strlen($data); $index++) {! r- d4 V$ O/ O5 L# n0 ?
- $decoded .= $data[$index] ^ $masks[$index % 4];) B; H9 D G& p2 X: x9 C6 r
- }
& }4 d2 s) k) j1 }7 N& v8 {; I - return $decoded;4 `) U+ l9 U+ W3 t5 U8 S+ o3 a
- }& G0 }- M; ?8 C# A
- 2 S1 b1 d6 H- N5 X4 c
- /**
! X) i9 ?8 I) K T" W' v* h - * 发送数据
/ J' [: W* S: {9 y4 r! G7 W6 f - * @param $newClinet 新接入的socket
/ R9 Q% ^9 A9 }" ]; c8 P3 M% u - * @param $msg 要发送的数据
1 v+ m) g/ _7 n3 o% j& {; w - * @return int|string" M/ S9 X. l* D* {
- */
: E( e Q$ |/ |7 ~ - public function send($newClinet, $msg){" V/ ~; R; ?1 R: j
- $msg = $this->frame($msg);0 W# D' l5 e9 a! ?/ | z& W5 {
- socket_write($newClinet, $msg, strlen($msg));1 I' m0 ^) k0 ~0 q9 C1 W
- }$ g. |, ~* v- z* ]3 C
-
8 E& D; a9 d1 M: ]: s; \" ?( {1 A - public function frame($s) {0 }4 o0 ~, w2 |' y9 d$ X: w
- $a = str_split($s, 125);
; \, d, C7 z# n( N4 t - if (count($a) == 1) {+ l/ Y. U* C/ @; z: U, Q/ C
- return "\x81" . chr(strlen($a[0])) . $a[0];
' U* d6 M4 E! z: s, Y - }
' w0 O# a2 m$ ` - $ns = "";
( E- E0 {9 P7 ]% F - foreach ($a as $o) {# n% Z0 B( l* y e. P9 @3 e6 L
- $ns .= "\x81" . chr(strlen($o)) . $o;! d" H% q& o4 X$ }: G
- }
+ i9 W* f! f# w; L - return $ns;
+ {% K9 Z7 S: @8 O9 }7 v, N; g - }
8 |- S: G% c( C% l$ B1 T% F - & _" G% l% V" C
- /**1 M6 W5 c& Q# {/ Y) A' t2 M4 @& Y
- * 关闭socket
! I5 @. k/ w3 z3 `2 }( D; y - */
- `2 w6 ?# @: j* O - public function close(){
; C" d+ o) o$ h: e1 _5 G- } - return socket_close($this->_sockets);
9 ?2 P2 u( i' u/ H1 A$ K - }
! a/ E1 S& y+ W- I9 G- o - }# x. H* x+ j( X+ Y y
- ; J! N% H1 h$ n) Q1 X: i* o
- $sock = new SocketService();
4 T- D. v2 L: M9 ]: |: b { - $sock->run();8 O3 C, D) d9 e
- 6 S! ~2 w2 N# e9 E$ J4 K# v& h- M9 Y+ U
复制代码 web.html
4 R; L+ \+ q" C( T( C; s6 l! @; N- <!doctype html>
1 A0 R/ k) o, W, U4 \* H - <html lang="en">; Z+ t1 d# J- @" @
- <head>
, W" o. {7 d2 H: J! \' ], Y - <meta charset="UTF-8">8 l5 N8 j+ X- G2 s: i3 o
- <meta name="viewport" content="width=device-width,initial-scale=1, maximum-scale=1, user-scalable=no">- f) t3 z) \3 `2 [9 x, \
- <title>websocket</title>
0 S. V# B6 s3 H3 ` - </head>
0 }5 h3 w$ Q V' D - <body>
$ S9 @ ]/ p% o$ P- W - <input id="text" value="">
* u$ K- b/ H( N- K - <input type="submit" value="send" onclick="start()">
1 [% W$ M3 A! j$ s+ G \( e - <input type="submit" value="close" onclick="close()">, I8 F" |2 E6 |" W
- <div id="msg"></div>) O+ ~8 }* F; ]
- <script>7 m4 [8 S# `# c1 G8 E" u! S
- /*** b- N! N( k/ ^/ |
- 0:未连接
' D! U. t7 b& h2 x; Q3 a - 1:连接成功,可通讯3 w( i6 Z: F: \
- 2:正在关闭
1 Q* j) ^4 D/ P - 3:连接已关闭或无法打开
q1 c, n5 R3 f% t7 s# A - */
7 R, d4 h) V0 K: X - - ]8 Z# W' C; @# W: s$ O
- //创建一个webSocket 实例
6 m7 J o- _ n5 P* o) v - var webSocket = new WebSocket("ws://192.168.31.152:8083");
4 d( h2 G/ v# R" H, _6 E4 d8 ?: G8 S - $ e$ Q$ X! Z2 b) U
-
$ C6 {) v, g) G$ h- x; H - webSocket.onerror = function (event){
5 l0 E6 p1 n+ o; p0 D* Y/ W1 I - onError(event);
0 Q# ]0 K ?, e$ c t5 B+ |8 e - };
\2 b5 U: M7 N/ L X, ~! u" A -
& J' [ k9 ?' E6 S - // 打开websocket0 Z+ b4 D9 c: p6 w9 _ g
- webSocket.onopen = function (event){/ y# j3 b$ u# ]0 s' e2 U
- onOpen(event);
( \8 U5 m; W2 H7 g5 _% F; J8 r6 ?3 e - };
7 @* E: ]) ~! p5 V - ( m$ c: s' O2 q' r, F) i2 N T
- //监听消息
$ U9 K7 e7 u( U, c8 K7 l m$ t - webSocket.onmessage = function (event){" O8 R) B- D1 c0 d) [* g
- onMessage(event);8 ]+ F+ S2 J; N' Y- o
- };% H. Y. I' Y8 m& R! k1 L
- 0 W# x5 Y+ b( w' ]9 [2 ?+ R3 T' b
- # o7 B& Z4 S% m& ~
- webSocket.onclose = function (event){
. n# Z8 s. k2 G) @' ~3 ~6 m" I - onClose(event);. P- k+ R8 V( Q" I7 L, I; s
- }
5 S( Z- p4 ]7 ~4 ~7 J4 ^ -
% S2 M1 Y7 @, ]( t2 B - //关闭监听websocket9 t6 z$ @4 i* W* |0 G
- function onError(event){
I9 ~# h% s. [ S8 N - document.getElementById("msg").innerHTML = "<p>close</p>";9 ^7 o3 c2 s4 o
- console.log("error"+event.data);
6 P7 }9 ]& c9 r5 E - };5 b0 l0 p1 w! R _( n" W: D
-
$ R: o+ {+ a) ^( J1 R0 \( i - function onOpen(event){
3 c5 `8 E" m" t( m - console.log("open:"+sockState());
, J- J6 D* W3 g/ f: i% | - document.getElementById("msg").innerHTML = "<p>Connect to Service</p>";! ?: b0 Q: o; b# w/ g
- };
7 m1 u6 b) P; W" f9 V; ] - function onMessage(event){( D9 t+ U4 ^' o A) E; S5 k
- console.log("onMessage");; f" o/ m) s( {4 b7 j1 K: g+ I! {% A
- document.getElementById("msg").innerHTML += "<p>response:"+event.data+"</p>" X9 f. c. B$ s$ \+ m1 _# w
- };
1 C. ?1 l: e& F q -
0 }/ i5 }: t1 m# d - function onClose(event){
# t" v; H% n' G M - document.getElementById("msg").innerHTML = "<p>close</p>"; A$ w' n, A n6 E+ R
- console.log("close:"+sockState());6 h8 u- v& q1 X! ~# q
- webSocket.close();1 q$ ~& H6 E! [4 k, G: x
- }- \4 `2 t% s6 ^
- + [3 W) b, j8 ^) F( h* S3 S! K; E: m
- function sockState(){' g" {1 u2 H4 o; I; w
- 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'];# x) u7 Q P5 U) f! ?
- return status[webSocket.readyState];& W; M, |" e! M" v' |
- }; a9 b0 J1 O7 S: y, \
-
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. G2 m0 r3 B K$ L4 Z1 K! {- i - ' M! A4 V9 E8 }6 ~. ]! S
- function start(event){
# n- B$ ^$ Z% Q+ G2 K - console.log(webSocket);
# g7 [5 e: n6 P& s! b c - var msg = document.getElementById('text').value;3 j8 X' Z a" P- ~6 |; e) u
- document.getElementById('text').value = '';
+ T% P* R: x2 J7 D D& E - console.log("send:"+sockState());
# u. R0 h* j: i2 x/ s2 w# [; @ - console.log("msg="+msg);
- F# V2 t( D3 ~0 w7 j4 u - webSocket.send("msg="+msg);0 ~8 q, r1 |4 [, c" X% x0 G
- document.getElementById("msg").innerHTML += "<p>request"+msg+"</p>"1 W/ I: r0 v4 P1 D- N5 t
- };/ k2 j# A+ t4 e. \3 K
-
9 b" l U) A# l) o( c3 J/ q! s& X - function close(event){% M3 }( x' k! z, N8 i- U0 t
- webSocket.close();6 v* B9 X' m$ D1 w: c
- }! K9 B$ Q8 v! b9 O2 M% S# D4 @" L
- </script>
+ H1 k* @' U4 Z - </body>5 c9 n6 `3 E2 h; @- }
- </html>
复制代码
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