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php实现websocket实时消息推送
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SocketService.php
9 ?8 A; J5 H4 R, y9 b- <?php$ n: i1 G& m( u& W6 N5 ~9 t5 X
- /**
; e8 w% C: p7 N$ p - * Created by xwx
6 ?6 ?" B7 S7 |* Q' N$ n - * Date: 2017/10/188 K0 I& M+ G! B
- * Time: 14:335 n5 V" w5 c% |( l6 o! M% B5 |
- */$ y# n1 \( J0 t% R+ b! d+ V
- ; e9 A$ @( E C% O9 p" i
- class SocketService
* }' j4 p% p0 q9 a1 ?7 s - {
* G. N& x' J: d - private $address = '0.0.0.0';% K. H# A; ?& {2 |& p4 G
- private $port = 8083;
2 j$ U& _1 |$ A - private $_sockets;
! A2 f4 o6 @. X% u' ]/ d6 Z - public function __construct($address = '', $port='')! A+ r4 p e3 b. g1 m, h# D. \$ K
- {
& N4 a$ a/ y9 w0 X/ S - if(!empty($address)){. `; i8 ?4 ~; y1 W1 y# R. D
- $this->address = $address;, _: Z1 X$ T7 t
- }" F0 V# X, r5 L* e2 E: B
- if(!empty($port)) {
6 k* h1 Y. Q S. P; m - $this->port = $port;, r8 r8 D9 }( d
- }
$ Q# k$ @: F; Z$ t6 C - }% c; k ~0 E# i' D" P
- 3 r" x3 q" n5 I9 \* ?% g) _) S O
- public function service(){
9 Q3 d( D- u# s( ^3 m4 z7 ?' i - //获取tcp协议号码。
5 r( V: t. B7 z/ j1 R$ e; V6 P3 u - $tcp = getprotobyname("tcp");, T7 w% _" {' a" {% x! A' V
- $sock = socket_create(AF_INET, SOCK_STREAM, $tcp);& b* ?% b1 D4 }0 Q, x& d3 X
- socket_set_option($sock, SOL_SOCKET, SO_REUSEADDR, 1);) r) P+ R' I9 ~- T% p. X8 q: X
- if($sock < 0)
: g M; T* [" ]+ c% ?) `( Q - {
9 l% B5 s; j6 g2 s3 f3 L - throw new Exception("failed to create socket: ".socket_strerror($sock)."\n");
; i. O. \% r _0 S- l1 ]9 u/ _ - }
5 {+ O7 A1 }* T1 I7 b - socket_bind($sock, $this->address, $this->port);3 Q2 E5 r' f# O2 s8 |5 n
- socket_listen($sock, $this->port);
2 q9 K R" _; q; Y0 r4 w7 r, f - echo "listen on $this->address $this->port ... \n";6 y, H! r' U/ a2 O
- $this->_sockets = $sock;+ s& U- h0 R" s4 |& q! h, H: z
- }
' U, a$ Z4 T0 C9 I# U -
" i6 ^* Y' W. v4 H* p$ ? - public function run(){) r4 d% z' m: {$ O
- $this->service();
* x( v$ \/ Q1 C6 M5 s - $clients[] = $this->_sockets;
% n$ W1 q1 y% a; _ - while (true){% n0 v! m: J2 I
- $changes = $clients;
' p' c" V# H2 A9 H7 z& [ - $write = NULL;
5 r0 A! E/ F) T9 h! W - $except = NULL;. _3 o3 f. X' A& C8 b4 `7 Q
- socket_select($changes, $write, $except, NULL);
9 K; P v; Z) q# F) a& Z - foreach ($changes as $key => $_sock){
' F( T$ o4 h9 A. J0 Y' x - if($this->_sockets == $_sock){ //判断是不是新接入的socket
9 A+ c; o2 ^! r1 A) [) T" M - if(($newClient = socket_accept($_sock)) === false){! x% e' Y9 M9 n, u# q8 M
- die('failed to accept socket: '.socket_strerror($_sock)."\n");' N. `! D& Y5 d/ ~0 A* `3 y
- }& x2 D' l- c6 e, d' p
- $line = trim(socket_read($newClient, 1024));
( Y( `5 ~% v& T9 S/ j, m - $this->handshaking($newClient, $line);
% h/ A3 }- x% X" q# ~$ v+ x- w - //获取client ip
- Y- t4 v+ H8 Q+ d+ m$ w5 K" V# A - socket_getpeername ($newClient, $ip);
# W' G7 L! [9 ]: x - $clients[$ip] = $newClient;
; W* G0 ~% V6 h- W - echo "Client ip:{$ip} \n";$ [7 u8 W6 s [0 L& g
- echo "Client msg:{$line} \n";
- f" }9 Z# d, Z - } else {. u3 t5 ], P: w | I) C9 N+ z- O2 u
- socket_recv($_sock, $buffer, 2048, 0);: v3 h6 [' X& N$ g+ ~
- $msg = $this->message($buffer);3 T% S" B$ K5 J1 K+ @8 v) ^
- //在这里业务代码
9 f2 F6 O7 Q2 c' `' g$ P' X R - echo "{$key} clinet msg:",$msg,"\n";+ U% s( y' P4 v& N5 M
- fwrite(STDOUT, 'Please input a argument:');
8 N) C6 f& U a1 z" }, X2 p$ m - $response = trim(fgets(STDIN));
7 C5 V7 s2 G, Q% N& M; ?! I0 k: s - $this->send($_sock, $response);
2 E& E: T' @! M4 _* J$ I+ A - echo "{$key} response to Client:".$response,"\n";
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- }
& L0 v: z8 D; j! }" Q: g - }
& {$ M2 T4 O. L: E& q5 k' `7 T - }
. ?* m' X5 ]6 N0 Y' _& m+ [+ W -
2 u }8 p- D3 E+ Y - /**
$ J! ~5 ?: g c7 w) q( W5 p - * 握手处理
4 K4 s* i, k* R) P. E! q6 X - * @param $newClient socket: g# C4 W4 t1 `) l4 g
- * @return int 接收到的信息$ P) ~* r9 K' Y
- */# p3 d8 F) F) ^" J! @ q3 h3 p+ L
- public function handshaking($newClient, $line){7 k8 D! [1 @# G8 C
- ( Y2 r4 ] N" p3 g0 r
- $headers = array();/ f4 O* Q) S0 Y: f
- $lines = preg_split("/\r\n/", $line);
; i1 U: m: [: H4 d' k0 G( H& H: F! W - foreach($lines as $line)
8 ]9 a. Z+ z* i; Q - {
$ K% g: m/ r% ]. D. o+ h A$ R& m - $line = chop($line);
1 i& A8 a' B+ c4 w1 J - if(preg_match('/\A(\S+): (.*)\z/', $line, $matches))% ]7 [9 w4 o7 U2 ^# E# s
- {- u9 z1 ?8 E& S6 t ~ f
- $headers[$matches[1]] = $matches[2];$ c) S, e+ k( v. K: @. k
- }7 e9 V# Z7 H, B& e, W6 g4 V' n
- }
- T' A. z8 O; w0 ?! q/ i# e: P/ c! B - $secKey = $headers['Sec-WebSocket-Key'];
) g1 ~1 t s# i - $secAccept = base64_encode(pack('H*', sha1($secKey . '258EAFA5-E914-47DA-95CA-C5AB0DC85B11')));
$ x! |' F, g: M - $upgrade = "HTTP/1.1 101 Web Socket Protocol Handshake\r\n" .
0 w$ j3 H& F3 m: X5 A. d - "Upgrade: websocket\r\n" . ?2 M( p4 b, W6 r d K0 {1 {
- "Connection: Upgrade\r\n" .
% W3 z1 p, k, K. |: ~, c* ` - "WebSocket-Origin: $this->address\r\n" .' Z1 \& D9 G+ p3 T3 g+ S* i
- "WebSocket-Location: ws://$this->address:$this->port/websocket/websocket\r\n".
; ]2 e, W% Q! |5 ] - "Sec-WebSocket-Accept:$secAccept\r\n\r\n";$ L9 e# q4 y4 r6 {& r% f
- return socket_write($newClient, $upgrade, strlen($upgrade));
; U3 a. F& Y O- b' t6 P/ s8 B - }% f1 ]- s, [4 F0 v8 N
- # _/ w: ?$ |7 T: R0 K
- /**
5 ~* H7 Q J3 X6 g: P - * 解析接收数据
& Q( r( K- P) Z2 d - * @param $buffer
& x1 p* ?5 s7 e$ F# v3 }5 U - * @return null|string- @5 e+ H" Q8 P
- */
# L: o0 T/ b' B" Z) j* m - public function message($buffer){. z" A4 B \% }1 H# t6 m9 f
- $len = $masks = $data = $decoded = null;7 `+ |; s6 F/ C1 b# ]
- $len = ord($buffer[1]) & 127;# X: G' d" L: d6 C$ p8 d
- if ($len === 126) {
6 s( _6 Z3 ~: m1 L - $masks = substr($buffer, 4, 4);
% q6 N6 e( C* Z" i - $data = substr($buffer, 8);
4 I' n' D- m& |- b3 w - } else if ($len === 127) {8 p: Z; B. r( v) X% M( }0 `
- $masks = substr($buffer, 10, 4);! ?7 n* L; V, y' f9 Z j; b
- $data = substr($buffer, 14);) S& }2 M" Q# i5 l$ D: W- X/ v
- } else {
2 K8 T) `* a y - $masks = substr($buffer, 2, 4);
; Z. l* Z/ r2 [$ d# K, M* Q - $data = substr($buffer, 6);
/ J3 A1 ]: ^- w" l0 ^7 A% s - }2 C \, g0 m/ a! E9 u; M! d1 J
- for ($index = 0; $index < strlen($data); $index++) {
2 G% y( a& O6 { Z - $decoded .= $data[$index] ^ $masks[$index % 4];
4 R3 g$ p- N- s6 H7 g3 C - }
/ J0 u5 y# t7 S/ c7 F N - return $decoded;: l1 n x3 t W. T% x* N
- }) b9 k5 f$ k E3 x" {5 Y" e: h, m
-
5 q. y1 k6 U7 R. H+ b1 { - /**$ X$ k2 b! M( v9 ^
- * 发送数据8 d0 y- m* C" _- Q
- * @param $newClinet 新接入的socket4 y& a5 O, Y% ]( G+ \, _7 X2 L
- * @param $msg 要发送的数据/ D8 H$ U: K- Z# l3 h# O
- * @return int|string
- o9 G2 ?3 K+ n8 L9 W1 S7 B7 Y - */
5 r3 I& @0 O3 d) N3 y: V - public function send($newClinet, $msg){
& A5 M0 C/ y' t$ h - $msg = $this->frame($msg);
' R) u! v8 j w# _ - socket_write($newClinet, $msg, strlen($msg));, W" t+ F3 t) ?! M" C+ f
- }" m/ x- Y( s2 m
-
' I( d4 z+ z# D- z, m) y# @5 C3 O: r - public function frame($s) {8 Y6 n! L# y( y) r
- $a = str_split($s, 125);
4 b Z6 M( ? X! u) t - if (count($a) == 1) {, u- D. O' ]9 V. W/ p) I$ ~( X
- return "\x81" . chr(strlen($a[0])) . $a[0];
4 x0 d: s3 d* L% o2 j - }
; ~9 [% Q3 M- R) W- e$ u; u - $ns = "";) W1 G2 u+ H5 z2 Q' O! U: m! ~
- foreach ($a as $o) {4 b; |, y: G { z
- $ns .= "\x81" . chr(strlen($o)) . $o;
% B" d9 S7 p9 w$ N! Z a - }, {4 Z7 C7 C# K( J
- return $ns;
8 b& L1 a: D ` u8 A/ j - }* N1 i( T" s8 @7 j- A/ g L
- * ~' I) V' c4 Z2 W* Z
- /**
[# Z! S3 H8 f* t - * 关闭socket
# Q0 p2 w. r2 F$ f* }- m1 y - */
" @8 [ Z: t) M' ~: U0 H - public function close(){ L0 c y8 O: ]
- return socket_close($this->_sockets);
$ n( d4 I9 t& Q% x. i1 H - }( F+ i5 k+ f4 [" @9 {
- }
. @- c6 }$ j% W; Z' M' y - 0 T/ ]7 x$ v v* j, N8 |' c4 Y7 K
- $sock = new SocketService();, B) s( i( O) W3 K- n3 f; ?# k
- $sock->run();( d) r3 Q+ D, [
- 6 j3 c2 `5 R9 |% L: \) u2 C+ Y2 M
复制代码 web.html
& `, Y. [7 z5 {0 w9 @. I- <!doctype html>) v5 i ^5 f( k
- <html lang="en">
" M* j( w X- j; C* a - <head>
1 w1 f+ B2 W* m7 n - <meta charset="UTF-8">. ]3 T! O0 ?2 M# w! N) J0 `
- <meta name="viewport" content="width=device-width,initial-scale=1, maximum-scale=1, user-scalable=no">5 O. v' c* Y* T! B0 R6 N1 P: r/ a2 L
- <title>websocket</title>: Z! q( Q: z9 g% |! Y" l9 x/ \" v
- </head>
3 w$ Z D' H! F. L. m4 O7 T - <body>9 T6 P/ s5 U6 z: o& E: t
- <input id="text" value="">
( v6 _9 f3 B* j - <input type="submit" value="send" onclick="start()">
& o2 c2 J4 n# L - <input type="submit" value="close" onclick="close()">! ]" b' X% i' r" f0 l" x
- <div id="msg"></div>
+ T7 |' R# i# g$ W6 q+ B0 C: { - <script>
. c( i: N& I+ |+ R. S - /**
Y. q8 Y" N! |$ y- b) G$ F/ _5 ^. X - 0:未连接
# H* b1 J2 f- f- O3 ?9 { - 1:连接成功,可通讯2 ?: N7 W% x- b
- 2:正在关闭/ B: [7 f5 W/ g; _( V6 |
- 3:连接已关闭或无法打开
) A, I1 }) V' n+ } - */
# ~7 s' ?( A; T3 c -
* ?2 l& ?3 w- G( W/ U3 X - //创建一个webSocket 实例+ I S1 X/ _% J2 p2 s4 e
- var webSocket = new WebSocket("ws://192.168.31.152:8083");
% o+ z% X; [3 T# Z" \- i" P' w, i - , \' l1 ` E: p9 |7 j' P4 |6 |+ O3 F y
- % j2 f6 z8 |( o, q
- webSocket.onerror = function (event){) }& _+ \) ]. S; f+ Q6 m2 g
- onError(event);
; O. s2 H9 J" t5 G5 o4 ^9 x/ M2 P$ E - };* i; |3 c% ~8 t
- / X. a K. f8 S# o' _
- // 打开websocket7 e$ O$ M) j# h7 T
- webSocket.onopen = function (event){3 j$ A2 z! j6 s; Z3 u# [- }
- onOpen(event);
- c( p; c/ e& t4 L- x - };
% y/ D# U8 i0 e- {, p. `+ v3 R3 S -
: I% X5 i2 a* C: w3 h& m - //监听消息
% v- f8 t; ^( T& w- K3 O - webSocket.onmessage = function (event){
# E" D( | }* d; { - onMessage(event);
+ r f4 q) }" f. t1 R/ S - };
2 l& r s* f$ G -
+ Q k" ~* f+ j+ E" B& ~- }: C, J -
# `" \; J7 y* q' Y% [0 I - webSocket.onclose = function (event){3 H7 G1 b0 A |2 I! @; P
- onClose(event);
! P3 ^- t3 v/ v: ?+ M0 g! O+ G - }
5 s) i. {8 Y/ q) J. A( ^1 z: T8 Q -
0 m H b5 }7 e" S& V* Z2 \& n - //关闭监听websocket3 o2 }- n. T1 d/ `2 w: s
- function onError(event){
5 K0 \+ l3 y" I' ` - document.getElementById("msg").innerHTML = "<p>close</p>";
7 c3 i6 U4 ` I# _' H - console.log("error"+event.data);* F# F- R1 U9 u; H& Q7 _
- };
5 a; w ?( S$ i7 Z* V8 l! Y: | - * z; O' A: s4 w6 @" R
- function onOpen(event){
5 t( f( f6 d2 N. L - console.log("open:"+sockState());
1 T/ s7 k2 @/ `# [) Q3 j$ U - document.getElementById("msg").innerHTML = "<p>Connect to Service</p>";
$ X- ^3 T# Q3 A' ~& d( o7 h& O: t - };1 k$ P9 ^+ n# p
- function onMessage(event){
! V+ C/ p7 W/ s% w7 L. \9 m8 c0 D - console.log("onMessage");
6 K% r$ s2 i- y @! B, @% o - document.getElementById("msg").innerHTML += "<p>response:"+event.data+"</p>"
, y' \9 r( r, t* G - };; O1 D2 b$ i z! x* D
- ; n. q8 E' ?: P) G8 u O
- function onClose(event){7 |* R; L- f( [3 S
- document.getElementById("msg").innerHTML = "<p>close</p>";
+ Q+ I1 i9 H( ^* B - console.log("close:"+sockState());* @$ K& q3 ^1 `4 p7 u1 n
- webSocket.close();
1 b, a" g {6 O& e - }
+ s- l1 w7 G8 I' z5 h' x - 5 _ O/ e% m/ x ?. T7 H. s
- function sockState(){4 K3 ^( v4 i% z5 |/ K" x$ A' @
- 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'];$ o. _4 q: F% X$ U0 Y
- return status[webSocket.readyState];
% l8 P+ g) u7 |% K- ] - }1 K, f. s, b/ s+ R1 n, X
-
# m! I1 S* e+ T) a0 h% J - 6 |% E, Z* e8 f# g
-
# C9 K+ r% ?2 ~/ I r) h P - function start(event){/ p5 C. J: O$ m: x: L
- console.log(webSocket);: M7 U ~8 i3 _ ^6 B2 l
- var msg = document.getElementById('text').value;
' g; n1 e0 J& Y; f, V. x/ t - document.getElementById('text').value = '';
8 x$ P4 h/ K7 } a. d+ g" j - console.log("send:"+sockState());
; C- U0 A ]2 X1 p - console.log("msg="+msg);, c' t3 V/ m r3 f- q7 X
- webSocket.send("msg="+msg);5 E: Q1 z5 y1 U) I
- document.getElementById("msg").innerHTML += "<p>request"+msg+"</p>"- K( n% j9 G# g7 I0 s
- };
: J, V6 e8 f1 ]4 {: a' Y8 J - 1 M; {9 h& R" I7 I; r8 u2 D# G
- function close(event){4 F6 s1 D6 X1 \7 O9 L
- webSocket.close();
$ W0 I! N4 P& J o( D - }; h' r1 t7 n) D8 @+ e! |
- </script>
, h% u2 o& p, p; c1 F - </body># R' w5 w9 {1 l# i/ T' h4 z2 j
- </html>
复制代码
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