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php实现websocket实时消息推送+ w: n$ x- x# ^0 U1 V# @
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$ `' J% b+ A+ ~& ]SocketService.php
`$ `" P4 L: s" ?9 V: Q$ k- <?php
: c- i* Y( N# Q; w) I - /**
3 P. a7 F# R( U, Q! y: a - * Created by xwx4 w0 @$ c/ [7 C( N$ d$ |" l
- * Date: 2017/10/18
$ K' X1 p6 |0 p7 a2 Y% K4 x0 \: W - * Time: 14:33) L: n2 `4 m ~- r$ {9 B7 `
- */8 j, r3 P# W: b
-
$ \/ _& {/ C2 V' p6 m d% n& }; i - class SocketService" d/ h2 c) Y' k1 a4 R% I0 b
- {
/ F; M9 ?$ w& w' g$ W3 S: B4 s8 J - private $address = '0.0.0.0';
% h" i' R! q8 u' W8 S - private $port = 8083;; l: M* n F4 N
- private $_sockets; h" d; G" ~; E; l4 r V* t
- public function __construct($address = '', $port='')! V" F. O9 h* j; e
- {
5 l3 S# L& a4 p; M# r2 H7 ] - if(!empty($address)){
3 T1 J3 H& q6 X6 \3 ?5 F5 A - $this->address = $address;
o2 I. \; [( r5 J0 H- R) e2 ^ - }( y l; k; b) ?
- if(!empty($port)) {! p/ G5 A! K9 u n' y. L9 R
- $this->port = $port;* Y S, w4 ~7 G8 A
- }
+ D7 P- Q O: n' _: U! K - }
: Y5 r% Q, k+ X* G -
4 ^/ {8 n" o: K$ } - public function service(){6 J, Y0 _0 \1 f' x' M- ?1 H1 x
- //获取tcp协议号码。& |+ h8 [5 z3 A
- $tcp = getprotobyname("tcp");! u8 R1 O% ?' H( u0 ~
- $sock = socket_create(AF_INET, SOCK_STREAM, $tcp);( N t& u W0 k) a
- socket_set_option($sock, SOL_SOCKET, SO_REUSEADDR, 1);
$ |' Y4 e8 ?) M' V - if($sock < 0)
8 Q$ @2 ~7 u( R4 U - {
: `4 ~6 h0 i# d8 ~% f6 j - throw new Exception("failed to create socket: ".socket_strerror($sock)."\n");1 h1 h) x; |0 A, m9 m( f
- }& W* X- {2 i1 n0 [) y* G
- socket_bind($sock, $this->address, $this->port);
* V6 p8 q5 O0 V: x* C1 ~& `) a$ v - socket_listen($sock, $this->port);
5 }6 j G2 c; `+ { a' w- r+ A - echo "listen on $this->address $this->port ... \n";: x, z; j/ A3 b5 m1 A* ^1 E. p" k
- $this->_sockets = $sock;
4 c' T* @& F5 \8 \ - }
! d& I; a. C" M9 ^ -
6 i" s) s' y9 @ - public function run(){ \$ G M4 S' T; S' Q6 h. |
- $this->service();
4 k! F% B# b" P - $clients[] = $this->_sockets;
, T/ |; W8 w, C+ }! \! [! N - while (true){1 w5 N# _: j4 ]$ H: t$ l9 N+ L; j
- $changes = $clients;
# M6 f1 x/ E7 w4 I5 W5 q5 j) ? - $write = NULL;' a$ M5 H1 k( p/ Y! ?
- $except = NULL;7 S, r8 p0 r- N( T% G, j1 ^# b
- socket_select($changes, $write, $except, NULL);9 j2 S1 L# x$ t- P( `' U& n2 o$ q' Z
- foreach ($changes as $key => $_sock){8 R( K4 v8 z+ @, }( l% H
- if($this->_sockets == $_sock){ //判断是不是新接入的socket
1 ~6 Q6 Z' H$ [ v' k, A7 f - if(($newClient = socket_accept($_sock)) === false){
7 E6 D' |6 O `% u# b2 i - die('failed to accept socket: '.socket_strerror($_sock)."\n");
) `7 A4 O, L5 X - }
$ d$ ~, h& r, C - $line = trim(socket_read($newClient, 1024));8 V7 `3 @9 ~8 \) n
- $this->handshaking($newClient, $line);( V% ?% C0 C1 P2 F6 k
- //获取client ip
9 s/ K6 c: X+ I- W! g - socket_getpeername ($newClient, $ip);7 i7 {& x6 ~8 J9 }) g8 I( w2 X
- $clients[$ip] = $newClient;0 b `5 ~% v7 W, a& {9 D
- echo "Client ip:{$ip} \n";! r0 u0 o: n7 `/ u4 A
- echo "Client msg:{$line} \n";' L0 F. ^8 Y D
- } else {
+ _4 b8 f, h" U; p! N' a - socket_recv($_sock, $buffer, 2048, 0);
/ P7 J9 Q. {5 @7 C* E - $msg = $this->message($buffer);
9 T, B/ Y2 o3 @% u2 h8 f - //在这里业务代码4 {/ n' _$ X7 R$ D/ e5 ^
- echo "{$key} clinet msg:",$msg,"\n";% G6 y. v0 W* Z6 K9 D. {
- fwrite(STDOUT, 'Please input a argument:');5 F. N7 Y" y- W1 T/ D; \
- $response = trim(fgets(STDIN));; y9 y: H- ?3 |6 Y" F& b3 l9 K
- $this->send($_sock, $response);
3 y6 ^' H: Q/ I& A5 S9 Z9 _ - echo "{$key} response to Client:".$response,"\n";
/ I: G6 k& ~+ b6 A' v - }
( ?7 p% K# u6 _5 K# T - }
( X" m3 U9 X! G4 C( L8 m/ P" O - }; ?: o% o; L" b) m: X
- }
# N% H0 Q+ n6 [8 C6 w, p -
% @/ H4 N8 k1 l# ~/ Z ^/ F - /**" S. j n% s5 D4 o0 K8 E. T
- * 握手处理
( _7 h3 D j- M& H" I) T* r - * @param $newClient socket; A8 A' ^& a& B5 D0 f% l
- * @return int 接收到的信息" ~4 C# _/ X+ `% w
- */0 A5 J( M: C' N4 E5 p* f1 u, c0 f7 v
- public function handshaking($newClient, $line){
1 P( q; A7 |6 H& x7 g# T - ( \% @, k- V* x! [5 x! ?
- $headers = array();
: N# Y- g9 k4 D% S/ o# r - $lines = preg_split("/\r\n/", $line);
/ s% {. m9 \) X0 U; D( y - foreach($lines as $line)
: j; e9 [. {/ c - {" X9 ~* x, n& Q
- $line = chop($line);1 z$ Y, {2 g R. U- k
- if(preg_match('/\A(\S+): (.*)\z/', $line, $matches))
1 M7 q: M+ {$ C5 Y9 u3 L - {8 s; k$ C: W. h/ n$ x
- $headers[$matches[1]] = $matches[2];
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- }% c9 c! U& I1 A0 b! N4 S7 N
- $secKey = $headers['Sec-WebSocket-Key'];
0 P* P7 `' h/ @: M. J+ _& b - $secAccept = base64_encode(pack('H*', sha1($secKey . '258EAFA5-E914-47DA-95CA-C5AB0DC85B11')));0 ?; M( q# d( V \% r# D
- $upgrade = "HTTP/1.1 101 Web Socket Protocol Handshake\r\n" .
2 W. V! r C4 j, l2 r - "Upgrade: websocket\r\n" .! g+ w' }' K7 K" r0 |; r
- "Connection: Upgrade\r\n" .
4 K/ G; t8 t4 \# n" c - "WebSocket-Origin: $this->address\r\n" .
/ l" p2 S% I! [4 e# q - "WebSocket-Location: ws://$this->address:$this->port/websocket/websocket\r\n".) v) L" c6 H) ^9 P5 J
- "Sec-WebSocket-Accept:$secAccept\r\n\r\n";
1 ^- j2 N+ Y! K- N - return socket_write($newClient, $upgrade, strlen($upgrade));
* w2 n( Q$ r3 R6 |4 A( G3 Z - }' I; z, X$ Q E2 z/ t
-
& j0 E: t$ B, a& B9 P3 R - /**: `$ ?6 S- n s& x! \5 y
- * 解析接收数据
7 i+ v4 Q ^9 S' t7 [ - * @param $buffer
' ^2 ?* E. Q$ N6 I) P0 C5 h7 p - * @return null|string% Z9 D" v/ v" g* Q+ ~& ?
- */' D# ~9 I! ^& ?
- public function message($buffer){' k; U4 ^- y+ g1 k. I" [1 U2 G* z$ e: J
- $len = $masks = $data = $decoded = null;
8 b/ t' D$ u/ _4 R" o - $len = ord($buffer[1]) & 127;
1 `% h1 d- L+ C - if ($len === 126) {- U2 z+ ]( T% R' b
- $masks = substr($buffer, 4, 4);
/ t4 |* t' _7 J, _/ u" S/ d3 {( o - $data = substr($buffer, 8);
, v3 C; s3 `' K - } else if ($len === 127) {3 a, w. {4 S- ?
- $masks = substr($buffer, 10, 4);
# e1 W8 ^6 N" ` - $data = substr($buffer, 14);
5 E# p; J1 l; x7 v - } else {
9 U5 q# o, D8 J4 J2 x# [$ ?4 K - $masks = substr($buffer, 2, 4);' y: z6 y/ p# V }
- $data = substr($buffer, 6);
" H" P6 _) G8 Z3 U$ G+ i' p3 G- J - }& s A! y; O* |' t2 q f
- for ($index = 0; $index < strlen($data); $index++) {5 G: V' w- b* ]% Z0 I- A
- $decoded .= $data[$index] ^ $masks[$index % 4];
% x! C, ~% Q+ e, L - }
9 X( W g' c+ j0 B - return $decoded;! a: `- O. _6 ]& x) b
- }
$ f% h Z0 f- y/ D6 z3 V -
& A# n9 V( F5 X- L - /**6 s& p$ w$ x7 q k8 S
- * 发送数据: c1 q9 Q9 B9 m% h5 Q2 m
- * @param $newClinet 新接入的socket" @. v8 H* \1 O5 x0 N
- * @param $msg 要发送的数据
" K1 ?, f3 |' _3 e1 Y - * @return int|string* d' n$ m; w- e! i
- */( e" `# P# j! [* f: d' G5 v* F
- public function send($newClinet, $msg){
! ?/ ^7 B- Z) ?; W# R7 _ - $msg = $this->frame($msg);5 F& B; y# ~/ `2 i' W ?+ c$ T
- socket_write($newClinet, $msg, strlen($msg));
4 Y2 z# z8 s5 F0 c) `" D! ?7 k( A% P; l - }2 {: Z/ `; E1 B) o5 n: s2 \
- 0 f& G! z7 s" \- i
- public function frame($s) {
- n1 B( Q4 Q0 k$ s* q: E f2 j - $a = str_split($s, 125);
' z y7 ]; b, C5 [6 r - if (count($a) == 1) {9 y5 L1 a! [; v
- return "\x81" . chr(strlen($a[0])) . $a[0];9 j4 T/ X3 @- r8 H5 i' _
- }
. j/ ~8 w" B, f - $ns = "";0 l, w$ f( S) H( z9 h) k. s
- foreach ($a as $o) {% C+ K( V1 w, i4 j+ H+ L+ E7 L
- $ns .= "\x81" . chr(strlen($o)) . $o;
- g3 F( z: G2 Y0 F! @ - }
3 L/ P& _6 G# k/ |: j - return $ns;
9 D# ~& o9 f: J7 t6 q - }
) H/ t( n3 l% m7 I. M$ X2 R - 0 H% O: l2 ?; E0 o2 M# U8 m
- /**
+ ~- q6 W m+ Y; N7 K - * 关闭socket$ S( H3 c! S1 G6 x% Q7 A: m
- */6 [% q- k4 ?1 j' d2 k6 q u& w
- public function close(){
' x, _6 ~9 ? c% {+ [ - return socket_close($this->_sockets);9 o( Z( L. f6 K' e
- }9 C6 i0 s }8 y0 ~
- }
2 ^0 G; D9 }0 {+ e; P, b) i8 ~ - : w2 ^9 W2 I& r
- $sock = new SocketService();
8 P; S8 E5 Y$ t1 ], r# O - $sock->run();: p7 {/ J: k; n
- 1 P: o! R& a) _: G! @- Y6 a
复制代码 web.html# K. V, \; f3 T9 C1 V2 n; z; |6 f9 `
- <!doctype html>$ t9 g" ~3 ]7 |- \ v. O) p
- <html lang="en">
- S* |5 K2 l9 s) R - <head>
0 Z) H9 U6 A$ W! E- S$ | - <meta charset="UTF-8">4 U1 v7 u5 G+ q* W, o
- <meta name="viewport" content="width=device-width,initial-scale=1, maximum-scale=1, user-scalable=no">& M I! X2 L- [- G
- <title>websocket</title>
5 J5 s' i/ ]$ X+ s) J( B - </head>
$ b4 O1 @0 f3 `8 ] S - <body>/ i P. V4 k8 t6 h* Y& W E) c
- <input id="text" value="">* S w( F0 Q9 j8 H7 ^
- <input type="submit" value="send" onclick="start()">
i4 N! J+ P5 l5 t! G - <input type="submit" value="close" onclick="close()">- M2 r$ J/ q& w! S3 d9 x
- <div id="msg"></div>
1 k- ^5 S3 Q5 d - <script>( d2 r6 ?+ V- h) S7 i, \! w
- /**9 O- ?/ ~# Y5 @2 R: b. }
- 0:未连接
) I7 ~+ B& D$ B- f/ c - 1:连接成功,可通讯6 g4 l5 o" G# Z, i# _
- 2:正在关闭 H' y3 h% I. O% X# q" V0 _
- 3:连接已关闭或无法打开2 ^- n* H( E) S5 ?4 _1 t$ C
- */
; ]& O% Q! O6 n. F -
# S" J' \/ a; g% @ - //创建一个webSocket 实例
+ l q1 B1 E- M( p8 _" A" r# F - var webSocket = new WebSocket("ws://192.168.31.152:8083");
0 ` g Y" @+ c! ]3 ?/ ^- n, { -
, H" N& I' t2 p5 a9 q5 F -
% U! H- g( C* |; n& ?+ l - webSocket.onerror = function (event){# X* C) h& C: _" G( n% t
- onError(event);
# S/ ?, d2 O. @" [# r - };
( g6 L8 S. b {$ H' b0 g% b7 @ - 4 q# Z7 D) b( s8 _6 I9 J
- // 打开websocket
0 K1 A3 j8 `9 o3 l- c% P% N - webSocket.onopen = function (event){
, V2 E* o' k) B$ c+ w2 I - onOpen(event);% K G( T: o4 v# a. t6 C( Z" Q9 q
- };
+ ~% y& B2 s3 q% c3 v* N: x: { -
D% H' \- B& p: h- J. X5 H+ H - //监听消息
* C- n! M z* i0 E - webSocket.onmessage = function (event){
; Y2 t/ D0 ^! i$ C' P - onMessage(event);
. v' h. v1 m- \* [3 y - };
+ C0 ?% g% v2 Q& ?& E2 T7 q" r - % E2 A& i, W3 a
- A' X/ H9 c* w) O7 h# M% ?
- webSocket.onclose = function (event){
+ b. s3 S4 u, G. d. ]/ ^ - onClose(event);
6 m0 P$ t- v7 v# G9 n+ c: h - }8 Y& J$ O7 O! F$ B
- + Y' I; a* d6 y& f1 U9 E) R; j N8 |
- //关闭监听websocket
0 O, L. F& a+ u+ z2 [ A$ K - function onError(event){
! w' U. N2 R& @, M$ f: h - document.getElementById("msg").innerHTML = "<p>close</p>";
l4 t' o- i! Y - console.log("error"+event.data);0 r$ o- O; L( T9 N
- };
$ [$ c! c# i% k3 E* [2 ?1 u& ?( T - + G" w7 M& x4 P, C' K5 H
- function onOpen(event){3 }1 w- }3 x- l2 A: V6 }* x
- console.log("open:"+sockState());
) D5 v8 q) o- N7 z. ?( b - document.getElementById("msg").innerHTML = "<p>Connect to Service</p>";! M2 n- T. K! p0 P1 T
- };) m! e+ l7 \- s4 D* l( G2 Q6 @. b
- function onMessage(event){
- F2 c% C1 g2 u& |! ?% e - console.log("onMessage");
* z6 |. ~% j5 J# V - document.getElementById("msg").innerHTML += "<p>response:"+event.data+"</p>"
- K2 L1 S1 u4 r4 b( }/ u. b; Z8 p5 L - };3 t) n- {; y" ^1 Y
- ) {5 P& b" W3 C
- function onClose(event){$ O! H8 r/ z$ P+ P& l
- document.getElementById("msg").innerHTML = "<p>close</p>";
+ N6 W1 s9 I% j2 P; Q7 q - console.log("close:"+sockState());
) O$ g9 }4 P5 L p! O, W: W: ] - webSocket.close();
# A% k5 U0 J* K$ d# L3 Q( z - }
# y. U9 Y; B7 B0 V -
+ ?& V. U& B/ Y) V i7 W: A9 M0 G/ x - function sockState(){
) a0 |5 [) E# q/ ~8 N" x- P - 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'];
+ H; R: z4 T! ]/ I - return status[webSocket.readyState];+ Y* c! G Z+ K6 r) x3 @
- }
' ~3 v# a1 m+ H/ H. A/ U7 P - 5 x/ b# H* R; P( x1 _, n( |, g) n0 a
- . D6 ?- T$ Y1 [# F, N( x0 I" g
- 3 Z# j u) l1 W/ o! ~ @: ]- `
- function start(event){
9 ?0 w6 d" Q$ N4 q$ T - console.log(webSocket);
7 f Q7 |/ [7 Y% ~ - var msg = document.getElementById('text').value;
8 }. ^, f# v V6 v! l7 @, v& H - document.getElementById('text').value = '';
9 ~# d7 A+ d \ - console.log("send:"+sockState());
; f, ]2 ]9 @7 f! r$ f. e - console.log("msg="+msg);
# l3 z8 W ~. } | c6 l0 F8 Q - webSocket.send("msg="+msg);
; P3 u H& }$ U: U - document.getElementById("msg").innerHTML += "<p>request"+msg+"</p>"0 _& s9 v5 J C" t5 S
- };
E- @8 d& s. M' n) E6 o; J$ I -
& n2 }( l. r8 a/ X; Z9 p' q5 b" q - function close(event){1 q+ U+ ^+ @9 h% T/ v k4 X1 o4 ]4 s
- webSocket.close();; a2 d$ J7 E4 @! A( u
- }
) t/ |8 F( Z0 H W( ^0 O. n - </script>
, s2 p2 e6 F9 H0 Z6 l6 } - </body>4 A/ v0 Y* H w$ G7 J, D$ f0 T
- </html>
复制代码
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