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php实现websocket实时消息推送* ]' Y, T c. R
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* ^7 g" W/ _* u* |8 XSocketService.php
: ?, [2 _' m! m- i) U* K- <?php: v: F* C9 G' c0 \$ k
- /**7 U- v: ?* E5 W
- * Created by xwx# v- Y7 M4 u) o) N- t) i4 Q
- * Date: 2017/10/18& _$ H1 y7 }8 X& G/ x1 ^2 [+ y
- * Time: 14:33
: Z$ W4 d; T+ u5 o" U! [ - */
" X7 S4 ?; A' T1 ?5 l4 H - ; m9 V" i; W. C R
- class SocketService" E1 W4 J. q2 z, P; ?1 T1 A
- {! f7 \' }" |6 p+ |1 e& W
- private $address = '0.0.0.0';) z$ X. z) k* F8 j3 Y/ V1 ~
- private $port = 8083;; y! F2 E6 i- r! {! }
- private $_sockets;
$ I" t* H9 D$ B' V" Q - public function __construct($address = '', $port='')% d' K8 b5 |& o% L) @1 l& p1 q. s
- {7 f" R- K, L) }! X$ H8 a
- if(!empty($address)){0 O! g3 k4 \. e8 f; S4 `+ `
- $this->address = $address;
& x h2 F; Z8 Q: m8 P - }; w: Y+ W1 h5 n4 y
- if(!empty($port)) {
; u _/ W( f# M. h/ H - $this->port = $port;; o! u/ Y7 m+ Y2 o
- }
7 N. Q( M Z2 T - }3 t O8 a. Z+ M
-
; U$ U$ ?+ ~8 ]& }. u6 D - public function service(){
: |! G4 }0 D) m# b- Q' E - //获取tcp协议号码。" k$ d& Q9 ?& b' ]2 M m
- $tcp = getprotobyname("tcp");
3 N. B* [, h; p0 J - $sock = socket_create(AF_INET, SOCK_STREAM, $tcp);% P' [+ _2 k3 V/ b7 g7 ~1 \$ m
- socket_set_option($sock, SOL_SOCKET, SO_REUSEADDR, 1);
! V8 t* {5 S7 C. K3 A1 h& R - if($sock < 0)8 f/ e) @# j1 M+ e, Q
- {! l: l* p& ?" f3 Q& H1 F* L( \
- throw new Exception("failed to create socket: ".socket_strerror($sock)."\n");, X$ b9 E3 o$ }. g& L; `5 ^
- }
. a& i# _8 x8 d) ]% }- f$ S - socket_bind($sock, $this->address, $this->port);
5 o- h& R" G& _ - socket_listen($sock, $this->port);
4 f0 k' v# }4 A+ T6 A' ? - echo "listen on $this->address $this->port ... \n";
) D- ]7 g! V4 F - $this->_sockets = $sock;
/ `) R* G0 X4 Y* l' t - }! k1 b" \) V/ m, {
-
% ?' ~9 n9 U. U - public function run(){
* D' e/ Y- }0 t5 t$ p3 v4 K, Z3 i6 a - $this->service();) B1 N: J/ l: _9 Y
- $clients[] = $this->_sockets;
# x! a$ q: D9 p* E2 D; f. {# n - while (true){
- O& Q' V: U' F9 a - $changes = $clients;
! ~2 q! c3 v3 \ - $write = NULL;$ D1 s1 e1 h; r+ _0 A
- $except = NULL;7 ~. F9 k1 H$ I8 c$ {! A/ \" v! M4 }
- socket_select($changes, $write, $except, NULL);
9 `( B2 A. n; K. f- w* Y* [: S - foreach ($changes as $key => $_sock){. l5 t) b% e0 {) q& m( D# I: ?
- if($this->_sockets == $_sock){ //判断是不是新接入的socket8 L s' `; |. [6 T0 j
- if(($newClient = socket_accept($_sock)) === false){3 j6 `2 h. \- n K$ C# d
- die('failed to accept socket: '.socket_strerror($_sock)."\n");3 Z! d N$ S' y' ?
- }- v6 v8 U: N; k
- $line = trim(socket_read($newClient, 1024));
/ y4 [9 _3 h. {- r2 s& V& [9 G - $this->handshaking($newClient, $line);! G1 i2 ] P) D$ u; R& l7 \, a
- //获取client ip
2 n' d+ O$ }* H7 P' { - socket_getpeername ($newClient, $ip);; }2 C/ V0 l5 Z* B1 h- i
- $clients[$ip] = $newClient;
% i$ ?' s& s( W - echo "Client ip:{$ip} \n";0 t# G# z3 ?5 C$ z3 I9 f7 r
- echo "Client msg:{$line} \n";: L8 H p+ w, T# k3 W
- } else {, `5 b& N, x. L" @" t
- socket_recv($_sock, $buffer, 2048, 0);
# w; I5 ^$ [+ o; T$ p0 v - $msg = $this->message($buffer);# y# x- T) Z+ i
- //在这里业务代码
/ E# f( k0 v" h' c& F' v8 H - echo "{$key} clinet msg:",$msg,"\n";/ f, f9 F7 w8 f( w2 E2 e- @
- fwrite(STDOUT, 'Please input a argument:');4 W! }: T+ ]7 y6 t' k1 E
- $response = trim(fgets(STDIN));6 A& k2 F, T: v. T( o
- $this->send($_sock, $response);+ l5 A" j4 c4 [3 H" T1 X/ [
- echo "{$key} response to Client:".$response,"\n";
& s1 m5 I) C7 Z& p' ] - }- b! w7 E9 n" M8 Y: O* E E
- }
. I. I1 Y- b1 { y - }
# ^ T1 x; j6 ]8 D1 R) [( D - }
+ T" Y/ a( O/ t% M( T9 Z0 i8 y - : {4 s+ A$ T0 [2 R. y2 v$ M, L
- /**
" B X* h. n) T4 S - * 握手处理2 s1 @& i; Q% S* U0 |& }2 N4 Z8 W
- * @param $newClient socket; c$ n0 ^6 R O5 l' I8 Z9 w ~
- * @return int 接收到的信息* h8 G: r4 ~! J( V
- */
: M# C4 V/ ^6 S- M9 @5 G - public function handshaking($newClient, $line){
# b' ?; {& l# y; `& {' d# U -
( ?+ a- W4 [/ n7 w5 S9 L - $headers = array();
% e! ^. Y/ k: Y5 s1 x2 i - $lines = preg_split("/\r\n/", $line);
1 a M1 R4 X5 }: ^! U - foreach($lines as $line)- Z; V# P* r+ W
- {
! X0 P$ a- D( V5 }* c - $line = chop($line);
8 F! W: N( x5 c3 X8 w; Z- p! P: A: s - if(preg_match('/\A(\S+): (.*)\z/', $line, $matches))5 Z1 ]; Q G! c
- {& a: z) {: ?# |+ |! f0 O- u7 @- ]( I4 h
- $headers[$matches[1]] = $matches[2];2 u+ {5 U8 O9 K$ M% G+ w& o- ~
- }
& }* u! z7 f+ m% t - }4 Y& g4 n5 f( e3 ~, {
- $secKey = $headers['Sec-WebSocket-Key'];- b4 _: B( [! t. G* `- h
- $secAccept = base64_encode(pack('H*', sha1($secKey . '258EAFA5-E914-47DA-95CA-C5AB0DC85B11')));
% Y& i4 |4 y8 b9 S9 i' R - $upgrade = "HTTP/1.1 101 Web Socket Protocol Handshake\r\n" .- |! \7 M) i' A. e& l, S
- "Upgrade: websocket\r\n" .
; @" s- N d4 ^7 m# s - "Connection: Upgrade\r\n" .; S; e$ N2 ` W' w o' k
- "WebSocket-Origin: $this->address\r\n" .) m1 J- ^" i6 }" o* ]7 m0 f
- "WebSocket-Location: ws://$this->address:$this->port/websocket/websocket\r\n".6 j! i3 N, o# G. O
- "Sec-WebSocket-Accept:$secAccept\r\n\r\n";
) g$ M* c9 K0 `" @3 z - return socket_write($newClient, $upgrade, strlen($upgrade));
+ b, q# a. U2 D6 H. e2 n. o - }) i$ C0 ]% v5 y, e# [6 O+ A9 p
-
) K' O4 F4 ^+ ^ - /**5 T0 X4 x, U: W3 m! M! u! @ q
- * 解析接收数据- ~" B. z( ]# g; m* J* a
- * @param $buffer
+ O$ a* E1 {! |+ q/ z - * @return null|string
( P: M$ Q& ^# L7 J. ]* }4 j - */
! y$ `4 N' @$ r2 L: d - public function message($buffer){& Z& v5 \- `% c5 g. C$ K- r
- $len = $masks = $data = $decoded = null;
. ]3 O( p) x( b8 N$ {6 Q; d - $len = ord($buffer[1]) & 127;
* T) m. H" Z( G, \! v1 a - if ($len === 126) {
) ] e3 o$ E. \- p$ j0 D - $masks = substr($buffer, 4, 4);& X! B$ i4 w. ^9 \5 h2 Y
- $data = substr($buffer, 8);
" Y5 p; |6 {2 |8 w( t0 L; S8 Q) A - } else if ($len === 127) {- Z! }- b! M r. p- j
- $masks = substr($buffer, 10, 4);
5 _+ _, F1 \( R& Y5 M9 P Q8 F& o/ M - $data = substr($buffer, 14);) H1 k# q- S, y/ E4 t" o+ ^
- } else {
3 k% _1 a( Y9 M' g i4 d/ V8 R) ]- D - $masks = substr($buffer, 2, 4);
/ [+ g9 v4 Q4 v3 T$ t; p - $data = substr($buffer, 6);, @3 K: z# ]1 V. q" U9 N8 G9 `
- }
+ V8 j; i8 y( q& \& L) [ - for ($index = 0; $index < strlen($data); $index++) {" y& }2 L+ Z0 O1 J' n% ^
- $decoded .= $data[$index] ^ $masks[$index % 4];# }! x4 \ o- Y5 ?/ q
- }
, M8 e/ q" ?# G# E& {3 _4 W' r. J - return $decoded;
0 n' K H: L! e - }: W/ ^8 P P4 B
-
/ w; X) T7 a1 H: m - /**
9 ]; B7 W3 @$ m8 a7 R/ }: G( g V - * 发送数据
5 k9 W, {3 f3 h' L( e; J* u - * @param $newClinet 新接入的socket
+ D" m; M/ f3 m. U - * @param $msg 要发送的数据: Q" w+ r$ R: Z h& q: I, Q% @8 M
- * @return int|string; ?$ p- N2 [* `# s. a7 y9 P
- */6 `' k u6 B9 H1 Z+ i+ L4 D1 O
- public function send($newClinet, $msg){4 c- f9 x5 C. L% L7 v; j
- $msg = $this->frame($msg);5 K- s6 Y* b) s! O5 L. h
- socket_write($newClinet, $msg, strlen($msg));
3 p/ Z. Y2 H# B2 v" {( ^9 C2 ~ - }" X4 O( ^; m! ^. E
- , K3 O8 M6 V: S. I! V# c$ ~5 c
- public function frame($s) {
, V: C) g0 C. t9 h7 r! x - $a = str_split($s, 125);
' ~" N* G* J9 A. \. F, F - if (count($a) == 1) {
( L L: R, Z. \7 f$ U4 [ - return "\x81" . chr(strlen($a[0])) . $a[0];
% j) S; r/ o4 n) F' ~% M, R - }# Y+ J- O4 w9 a8 p( i
- $ns = "";- E) Y& y5 p) K9 F2 ]7 T! E9 i0 h
- foreach ($a as $o) {! G4 a2 P9 X; m; G& p
- $ns .= "\x81" . chr(strlen($o)) . $o;' R& U, N) r0 \! r' j0 Q
- }$ g" Y% b9 ~, ^* H* g
- return $ns;
0 M, R/ B( u8 P: B - }; F; @* F1 d- g: n" r
-
) D$ d% c# q% k* Z. s ] - /**) Z5 B+ n: I6 c% | E; s! q
- * 关闭socket" ^/ w" }0 j: _; q6 l/ {! s$ W
- */
4 a% t [- x' n+ p2 W* ~ - public function close(){
8 d& l' s, u9 ^& V/ O - return socket_close($this->_sockets);
/ K. ?6 v# c4 _( A2 L& I - }2 n; q% M7 m% e0 V
- }
1 R5 O1 \5 t9 j9 u( x7 w" t0 @& O3 T - 7 ^; P; J2 S0 @% e
- $sock = new SocketService();2 C3 W, x5 [& W, K5 v; J
- $sock->run();
8 r9 M4 V* t. l7 _: r* B - % K# t5 \( S9 X, i! K. p; R
复制代码 web.html
* U6 `3 K. y3 D3 m7 t5 j3 X- <!doctype html>
1 L/ O, j" R. c6 g$ z) {; i - <html lang="en">
0 h( [6 }7 N8 G- x8 d/ H, z! u - <head>
/ E @" }% ? Y6 d# J - <meta charset="UTF-8">5 X( J K) ]% _; ]. a; X
- <meta name="viewport" content="width=device-width,initial-scale=1, maximum-scale=1, user-scalable=no">" N. [8 m* C! ^1 l+ v: ?8 @' O
- <title>websocket</title>
# G" w* d% ?0 e - </head>4 b' D, ~3 u# _& Q
- <body>
+ \" [- D. y9 x5 N - <input id="text" value="">
( j1 j% L6 M- w5 R - <input type="submit" value="send" onclick="start()">
) @ [+ ?$ Y6 b - <input type="submit" value="close" onclick="close()">
4 \/ ]5 b. t6 ` - <div id="msg"></div>
6 U) _. J7 U3 W* z4 J1 U% e - <script>
, a5 ?& }9 @4 @5 O5 n - /**
' \9 G0 H- s! m) Y! ?9 H) x1 } - 0:未连接1 X- G0 ]7 e4 K& G- p
- 1:连接成功,可通讯
! b2 V9 l$ i* E - 2:正在关闭
0 c# Z2 V1 q* z+ f4 i - 3:连接已关闭或无法打开
{) T C% }/ N% [1 @8 |" I% ~9 o - */3 e% L2 Q( Y8 s, M6 g3 |. C7 o& H
- 6 [7 _2 ?8 g8 t& _% l
- //创建一个webSocket 实例
( Z4 Z' T$ n) x7 m - var webSocket = new WebSocket("ws://192.168.31.152:8083");
% u) ^: @" Z& R% W$ }& l( x; X$ h - ~ f% M. J: x) {
- + ^( y% b. |& J) x2 f
- webSocket.onerror = function (event){
/ k. b% ]3 } t T - onError(event);( c/ f. B/ ]1 A* K
- };
; n% c6 Y( h# f6 Q/ J -
, H! M% c3 r, C6 a- S" F/ H7 `' y - // 打开websocket
) e0 ` E) ~' |. M% |2 k7 Y/ z - webSocket.onopen = function (event){
1 e: X( S3 f# p# L - onOpen(event);
6 j. Y0 v3 c& K- D# t4 q - };. V2 p/ |& t4 v# L/ ?
- 1 c& K% O) x/ {* G% t% V
- //监听消息
2 S* c, n2 K5 p" r- @1 } - webSocket.onmessage = function (event){. N+ z# g! a1 A( |+ f3 S
- onMessage(event);
4 K. l% b5 G- _8 R* E* a% W. z - };$ Y# b2 E0 q* W& `% ~# I
- 9 S; u0 ?* C4 H3 j+ w L+ v4 a
-
2 W X) g6 q. Y8 ` - webSocket.onclose = function (event){
' B, {7 t7 j4 `$ T' m - onClose(event);8 t D) J. @$ T' L& P
- }
, X9 z' h8 v3 g7 ^ -
. l: L% j" N. h8 |3 [/ [ - //关闭监听websocket
( M( u4 `2 o& v% p+ l7 k - function onError(event){
1 f' p( A h& ?1 i, F$ T - document.getElementById("msg").innerHTML = "<p>close</p>";
5 a- \, _6 V/ ~& k8 ~8 P1 S. {+ E3 C6 W - console.log("error"+event.data);
& l+ d5 T( G9 R! Z$ g) M - };. {1 A& z; b$ x" `' [% u
-
$ V- e a' U6 Q- p - function onOpen(event){4 u& M* c( | _4 P! a1 r6 }
- console.log("open:"+sockState());; ]1 \# ?* g" I- i" i( Z
- document.getElementById("msg").innerHTML = "<p>Connect to Service</p>";! f1 p& d' s0 a% T' R7 e
- };
* _% V4 J$ c- H4 A Q! }3 l - function onMessage(event){% {) C8 p2 `" r& S/ h
- console.log("onMessage");& l( ?2 P. M" s! U
- document.getElementById("msg").innerHTML += "<p>response:"+event.data+"</p>"
7 v: b' s9 h" q" }" K# Q - };, D+ r' y9 @. w( b8 x6 P
-
; i8 g& `' p* Z6 }8 E9 l - function onClose(event){' v6 d* }$ K( I$ l; T
- document.getElementById("msg").innerHTML = "<p>close</p>";) z% w% g1 e1 ?0 s/ q' d
- console.log("close:"+sockState());
: @& W+ z }( s - webSocket.close();: k6 D9 \" D& z5 ~7 k, \/ V$ S
- }
8 O* D- g. i- W0 @ -
! y* ?6 s8 q1 @9 } e - function sockState(){$ j9 `1 a5 d' v
- 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'];) L1 D* A Z$ ?; U
- return status[webSocket.readyState];! z$ \5 j# t" B( n9 X
- }
$ `3 Q, b& {! y; e -
' W7 p. I) K6 |" r3 G+ Z -
9 W8 I7 m) N% `4 u1 B3 j, z - 7 g- Y% i8 C# f& v# m! A
- function start(event){' ~6 Q* A+ `) D& G& [
- console.log(webSocket);
# N! H: T4 ?4 W* m% I2 ]& `" U - var msg = document.getElementById('text').value;
' ]/ Z# b2 L' {+ M+ x. \. U - document.getElementById('text').value = '';
* i W: h" \- j, Q+ L6 L6 f2 { - console.log("send:"+sockState());
- E5 X! f, L/ ?* t/ K( e/ j - console.log("msg="+msg);
: c1 [" N. S# F F/ e - webSocket.send("msg="+msg);
0 u+ U' e+ {& e# N - document.getElementById("msg").innerHTML += "<p>request"+msg+"</p>"
6 m: _+ x( k1 U k( z' V - };5 L- x, S4 f3 X- D8 H6 A, z
- * E/ b/ o( j7 W& d7 Q
- function close(event){9 f% e7 T2 \% R& V
- webSocket.close();: M6 B$ y$ q" d6 D) b# w
- }: n: ~% I1 }: F1 ?
- </script>
" \5 c# u2 \, `/ Q; A8 O - </body>1 d3 E4 \' V8 w$ Y6 T8 O0 F* m- e
- </html>
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