管理员
论坛积分
分
威望 点
贡献值 个
金币 枚
|
php实现websocket实时消息推送
" Z9 k/ }0 ?* F, }& j8 Y& d8 w# y o) D
( N' j- v. A+ W& g4 _, y
SocketService.php
9 ^7 a* h5 ^, r6 d( N- <?php
/ D4 R7 W! W$ }& @ m - /**% X+ \! N/ `5 B: s7 ^' p' U
- * Created by xwx
1 f3 i: D4 f4 I+ V4 x& h2 K - * Date: 2017/10/18( `5 e' e$ l* e3 r; O% {0 G" C3 l4 y9 b
- * Time: 14:33
+ L' p- ]2 N* n - */
]/ d& X9 ^, ]! n - x2 Z- ` g0 U0 ?
- class SocketService
: y- X& D3 T0 p - {
' \' Y( z# B1 i K9 ?- j ]6 M" y0 N - private $address = '0.0.0.0';
4 |( Y8 Y# Z6 C+ D/ u0 r1 X' K - private $port = 8083;
8 C% X, v5 h1 V; j - private $_sockets;" F7 O$ M% J8 ~. O/ L! }
- public function __construct($address = '', $port='')! f& d4 \9 |* p0 u g
- {
! h$ ]5 U: P L - if(!empty($address)){5 _# o% O' Z6 K+ r# ?. v
- $this->address = $address;3 y4 K6 J; w9 d: u# ?+ I" g
- }3 W% N& ?. I8 ~/ o2 n
- if(!empty($port)) {1 }: J7 }' L* v4 @9 p
- $this->port = $port;
* ^# K/ ]" `" F7 I, s# O - }
. e% W1 U. }$ U3 H - }8 j( c& r6 c2 ^' X
- & B4 k1 m+ P- m1 b8 J, n3 g
- public function service(){5 w: [4 O3 i& P' W9 r! ^0 _
- //获取tcp协议号码。. @; Y+ V m1 o6 \# h
- $tcp = getprotobyname("tcp");
9 d7 |' q$ l( B - $sock = socket_create(AF_INET, SOCK_STREAM, $tcp);3 m; s. f- M2 c
- socket_set_option($sock, SOL_SOCKET, SO_REUSEADDR, 1);3 c; U6 U% T* E: J. ?
- if($sock < 0)2 O" l( l6 w' }) v4 X
- {" ~: l m" H/ u6 x- n
- throw new Exception("failed to create socket: ".socket_strerror($sock)."\n");0 @( q# X) e* m8 I
- }
% z% m6 l7 ]2 [ T- [" F) ] - socket_bind($sock, $this->address, $this->port);
$ w! [# B, c6 t/ c* z6 s - socket_listen($sock, $this->port);$ g$ Q% _5 K; Q$ d6 a
- echo "listen on $this->address $this->port ... \n";
. _8 |0 z) l7 w - $this->_sockets = $sock;
) T, ]8 Y t4 \$ Y& r7 N% R D - }3 M- _+ D* F$ q" r: U
- 4 L- X5 n& F5 c* B( t
- public function run(){( Y! d1 L8 j, t s
- $this->service();
) y4 ~( L! y2 l9 ^# ` - $clients[] = $this->_sockets;
# N* C/ S! i* W, \) o$ U - while (true){
$ C% m: o+ i' i2 M2 {$ ] - $changes = $clients;
" K* p; L) k7 Y - $write = NULL;( R z3 O% ^$ U
- $except = NULL;) m2 K6 g8 B E$ s& H0 {* u, B5 g6 l8 p
- socket_select($changes, $write, $except, NULL);1 H% [- @3 f4 j& r) N0 K! k" B% Y, K
- foreach ($changes as $key => $_sock){
i$ l9 b7 J- ^ R - if($this->_sockets == $_sock){ //判断是不是新接入的socket
' k8 q6 f+ E. n; Y - if(($newClient = socket_accept($_sock)) === false){
F$ B! L, i k - die('failed to accept socket: '.socket_strerror($_sock)."\n");- s7 @* e( l: {# c3 C; O' z, p3 N
- }
! ^" D- u2 ^2 z+ ?' Q9 W0 M7 w - $line = trim(socket_read($newClient, 1024));
% \& r) Y" _) c( M. H - $this->handshaking($newClient, $line);4 r1 I5 `& D+ F$ Y0 |& _1 J
- //获取client ip
+ m! q! T3 K# S" p/ W( O - socket_getpeername ($newClient, $ip);2 a! k, k/ T! Y& ^# G/ H. ~: ]
- $clients[$ip] = $newClient;* Y6 q0 i- z# [2 r7 u/ C8 g! J
- echo "Client ip:{$ip} \n";& C+ M* f% U! K' R# k& x3 B+ u) M8 z
- echo "Client msg:{$line} \n";* q3 A/ A# C' [* Y5 Z
- } else {& F) J; P9 h3 l
- socket_recv($_sock, $buffer, 2048, 0);
3 Z1 d# a: T3 ? - $msg = $this->message($buffer);
* H" T8 ?' v. [7 R! Q t - //在这里业务代码7 M8 a. k: }) z- m1 g
- echo "{$key} clinet msg:",$msg,"\n";( ]9 L' h& O1 a8 {! y) C
- fwrite(STDOUT, 'Please input a argument:');
8 Y$ R6 ^( E3 f9 r - $response = trim(fgets(STDIN));
4 K% G9 m$ h7 f - $this->send($_sock, $response);- A9 Y: x- H% G# F
- echo "{$key} response to Client:".$response,"\n";
5 d, D: @9 H( w& P+ ~. b" q( ? - }
3 K$ g7 g* z- b; f- p6 X y - }
- _8 S, m% a0 R% s - }$ o1 j) O' K# v# u" X
- }- i1 U7 X" T- k$ e/ c
-
% S: A! z; N {7 t( B$ e - /**( P% v p( w* Z
- * 握手处理$ \9 J6 i( J6 g- i
- * @param $newClient socket
. f) g( g5 d* ^ - * @return int 接收到的信息
- ~. i6 t. Q; f2 F/ @ - */& L! b) }( z2 n, |; {" L$ A# S# c
- public function handshaking($newClient, $line){7 ]6 R8 M/ Z" R7 J4 k$ Q* j
-
3 D! [; B0 d( {% l0 g# w) c" q5 g - $headers = array();
9 M( l# I" t# ~6 s, x% C - $lines = preg_split("/\r\n/", $line);" h% V+ j+ M$ A% l- x
- foreach($lines as $line). j m& \' e( o4 X o
- {4 s& h z/ G- \9 d& k
- $line = chop($line);, B9 Y: U$ h( v
- if(preg_match('/\A(\S+): (.*)\z/', $line, $matches))
2 _! p% V: n% i. q0 o - {4 h$ t; O& ^4 P( _) q( z' Y& o
- $headers[$matches[1]] = $matches[2];
7 B/ e) [3 i+ {* d" E$ y: }5 t - }
7 [, r3 C# ], ^4 D, L5 [8 v6 d4 X - }" r% v$ m; A5 G, f
- $secKey = $headers['Sec-WebSocket-Key'];# ]$ j. ^$ P" g! n* l8 V
- $secAccept = base64_encode(pack('H*', sha1($secKey . '258EAFA5-E914-47DA-95CA-C5AB0DC85B11')));
; X9 \0 U% I9 ?. Z `2 x0 \ - $upgrade = "HTTP/1.1 101 Web Socket Protocol Handshake\r\n" .
1 R# r1 E2 B1 q7 Q& r- ^ - "Upgrade: websocket\r\n" .
8 ]6 s+ B. J7 i! h* D: |' h - "Connection: Upgrade\r\n" .
; V( K* ?) _* O$ R/ ^ - "WebSocket-Origin: $this->address\r\n" .* }6 g: c) L* E1 b) e1 `6 i/ ^
- "WebSocket-Location: ws://$this->address:$this->port/websocket/websocket\r\n".- [. H6 d- C+ i
- "Sec-WebSocket-Accept:$secAccept\r\n\r\n";' S7 X3 X2 d0 v" Q& m( x. V) x
- return socket_write($newClient, $upgrade, strlen($upgrade));' z# L: B& x3 U) l Z
- }
" I) H" Q G; {4 k, R7 q+ `* v j6 N( ] -
" \% N4 D8 [% @2 v9 H+ l0 A! y0 c - /**
0 `, t( j& \- B i% N( |0 j* L5 ? - * 解析接收数据
, P2 g) l- }+ h( o! b - * @param $buffer+ s1 [! b$ e' i1 z5 e+ P2 W. t
- * @return null|string0 A) i' Z" g6 J( w
- */
7 @5 l+ |/ t1 _8 C! P - public function message($buffer){
8 a/ p& G! h* K7 `0 U - $len = $masks = $data = $decoded = null;& J a) g7 \7 j
- $len = ord($buffer[1]) & 127;9 j% _2 `* }. t4 i
- if ($len === 126) {0 R' v$ v: R9 o# J2 e, c3 ^( }+ W
- $masks = substr($buffer, 4, 4);
. B+ J+ A- b, t0 L+ M ` - $data = substr($buffer, 8);/ M& | s& Q$ }
- } else if ($len === 127) {
+ U9 [$ R% `5 q3 A* x, T1 t" U - $masks = substr($buffer, 10, 4);+ u. F0 [* u q- L8 j3 _: l
- $data = substr($buffer, 14);, T& N$ w; j; `' |9 F: v1 F; ]
- } else {
9 p! F9 E% u' p& p - $masks = substr($buffer, 2, 4);
9 z# c* s1 N7 D4 ~( O1 }2 N; p - $data = substr($buffer, 6);1 c* \6 T* d# `$ x
- }, d2 J/ \2 e6 {9 }" B6 `% \
- for ($index = 0; $index < strlen($data); $index++) {
8 M& g% d# \" Q' g - $decoded .= $data[$index] ^ $masks[$index % 4];! g- ^5 D6 L; `6 p
- }4 `8 G$ F8 t) b' Y+ m
- return $decoded;% H h/ F) T4 {! e t/ {# A2 r
- }2 y* Y# H, Z, z: G. [4 G5 S' F$ Q
-
# T1 u/ M! {$ s. F' U- O- ^ - /**
& {* ]( e K3 v% {/ j7 T: T( w( @ - * 发送数据/ ?8 W+ A" @$ V% b% h
- * @param $newClinet 新接入的socket# Y6 t" @) K. a1 u' H; e; M5 k
- * @param $msg 要发送的数据% ^4 { H: S/ b2 E; \# ~" U
- * @return int|string
D% _$ V) m4 M3 { - */; l( X2 q: a5 m3 d8 `9 {, Q
- public function send($newClinet, $msg){
; M' W- C! X0 x5 S; c - $msg = $this->frame($msg);0 d% ~# k% _. W/ v, r) Y3 ^! h9 A
- socket_write($newClinet, $msg, strlen($msg));! E8 {0 X- r+ o9 m6 C0 M. y W
- }3 e4 I* v4 \7 L4 `2 h0 _* v6 M
-
q3 S. T6 H' \2 E% {% n; T - public function frame($s) {
( K$ U9 d! m4 ` c( h. b2 L5 G7 P/ K( z- d - $a = str_split($s, 125);0 T2 S7 Q* M1 k3 N7 n
- if (count($a) == 1) {9 Z# `7 R9 e5 q/ X" _7 d; Z" s
- return "\x81" . chr(strlen($a[0])) . $a[0];+ U+ Q/ h2 V' X
- } C/ n* H9 H( }7 j, o3 G
- $ns = "";
0 P$ t [7 G6 P, V3 K - foreach ($a as $o) {
3 O6 [3 D7 `% B. q - $ns .= "\x81" . chr(strlen($o)) . $o;
" z9 }* q( j. W+ f' u, ]" V - }0 q7 Q+ p5 i1 h1 {; n' f. B2 ]
- return $ns;
1 I. Y( B; w4 K - }5 U* B7 n* c4 B) l
-
% G, |; Y1 _. k% O3 {3 a1 g" h2 {2 F - /**
5 \6 G/ {1 D: q - * 关闭socket- W" R; v" w% B0 S1 Z J6 p$ F
- */
$ _6 w2 S& c# e; V, D# d4 S - public function close(){3 x9 y+ c$ M7 G; ]8 F$ e* u- T
- return socket_close($this->_sockets);1 k) S/ c8 n) Q) \8 ^/ W
- }# A; j- [& g- C5 x t% w
- }# S0 i. Q6 p% l( m1 S% o
-
7 A- v$ Q) X8 K8 x# W+ _ - $sock = new SocketService();8 l+ [" ?4 @6 H4 O8 j, ~
- $sock->run();0 l( @% z( p3 J, @) T% e- Z- v: ]
- $ ~: N; l6 Y3 m& `
复制代码 web.html; L+ ]0 d! A- D% m$ M8 h8 ]9 S
- <!doctype html>6 v$ S) Y0 v! d. W# i" p# W/ r
- <html lang="en">
0 K$ W" i, }/ T- k$ k& C$ t - <head>
* U: V! M3 j+ Y - <meta charset="UTF-8">
; k2 I/ L8 H1 M4 b/ Q+ }3 p3 j - <meta name="viewport" content="width=device-width,initial-scale=1, maximum-scale=1, user-scalable=no">
! {6 X# g* B! o* Z# |) ~9 c - <title>websocket</title>
0 x& \, G0 V5 y g# X3 L( W3 i, L - </head>
9 i6 I: @* H. }* ], i - <body>; Z v5 p1 A) N0 U
- <input id="text" value="">5 ?# R$ s. [' {0 V" E. m9 a
- <input type="submit" value="send" onclick="start()">
) [2 K6 b+ U8 v% \5 y1 h- C - <input type="submit" value="close" onclick="close()">3 f6 |* B% x. B- @7 y
- <div id="msg"></div>
' g& o& c# u% y0 n$ p - <script>0 y( ^. s& B. j2 {# j
- /**/ e( Y, f; w: O& M1 V
- 0:未连接; d; p3 b r5 |' ~* d! p" b4 B
- 1:连接成功,可通讯0 H# x! w0 {8 i- i3 M
- 2:正在关闭
3 U" r! h7 r# h - 3:连接已关闭或无法打开, D1 n, { |5 D, s6 \8 o
- */( T- u5 v+ Z& u2 D6 r
-
# {' \$ g. h& ]+ n# u - //创建一个webSocket 实例& j$ j# `" n" z2 Z
- var webSocket = new WebSocket("ws://192.168.31.152:8083"); d$ K, K) G4 {/ _* ~$ Y
-
4 d6 C' j2 t/ @) l5 y5 z2 ^ -
1 z# w* C! F e& u/ h: P# f- A4 a - webSocket.onerror = function (event){ _. e. Z% V8 I
- onError(event);
/ v. W. d2 X' O2 ~, B7 B - };
7 A" t# l J6 r1 }3 n B7 O/ r -
6 x) K: J4 l) y - // 打开websocket: m8 _9 v0 K2 D' D1 d4 A! t
- webSocket.onopen = function (event){, `: r5 N8 `* g4 [; R" @
- onOpen(event);
3 Z4 C8 X% g+ ]6 t2 s; [* I - };
8 t. y2 \, k" f4 D6 ]. N4 G: t% Z - # `4 ?5 g' x/ X9 j: g3 ~* J
- //监听消息
8 t, r" f9 E( M* M- o9 H1 N - webSocket.onmessage = function (event){4 j# k' n; K* Z+ D+ ?
- onMessage(event);
! C( ]6 v/ ]$ {: L' J0 s( X ^ - };
5 N# b- e1 D# y -
$ c- i9 v( W/ r. |% b - # P# }+ ^# ]+ e$ V7 \$ Q# p
- webSocket.onclose = function (event){
3 ]+ f8 O( k2 T) a2 }% F" P J - onClose(event);% t! x/ E2 ~, }
- }
+ ^" x) k' N4 N3 j+ M! {7 w -
' s9 u6 }# M' ~ - //关闭监听websocket
* T! _1 ]! C" ^# U - function onError(event){
( T2 R" X% o- K# C: q; z1 x - document.getElementById("msg").innerHTML = "<p>close</p>"; S+ h1 r0 Z5 f( H3 p
- console.log("error"+event.data);5 G- A$ F' E) [$ q7 n8 u. R
- };
1 E G* _1 Z7 C! ^1 S$ L -
7 C" h2 w! o3 M& N$ V" ? - function onOpen(event){
- Y; a# T; X& U/ w - console.log("open:"+sockState());
4 a7 s0 U$ p0 S% c" i; A7 Q0 i - document.getElementById("msg").innerHTML = "<p>Connect to Service</p>";
5 f, n6 }. N- I! V2 f$ \- C7 I1 A0 a% e - };
1 f3 r* b* N. c! g7 A+ n - function onMessage(event){: \- |5 b* s( T0 X
- console.log("onMessage");8 ^& e8 O8 |& W
- document.getElementById("msg").innerHTML += "<p>response:"+event.data+"</p>"
% p9 l" F Y: o; n& Q - };
& F1 J( ?( \, q6 g3 C1 s' F - 9 a- s# ]; h: f# Z
- function onClose(event){
& @' m2 D# c. ^ w- T' Y - document.getElementById("msg").innerHTML = "<p>close</p>";- Q* f$ ^" M4 {6 A$ \" R; {
- console.log("close:"+sockState());9 n4 F, ^5 b: ~3 m7 z) f9 C
- webSocket.close();
+ p4 ]/ [% K* c/ G% U1 h1 d5 E - }6 g! v: [# ^4 N* X% D: e% a8 A4 p
-
4 w8 T9 C/ E1 T' t4 n" [ - function sockState(){
+ |8 P/ O' c3 n - 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'];
+ P5 x: l; z9 @. @* d$ S - return status[webSocket.readyState];2 q5 l) x5 d8 u1 i
- }6 |6 p+ e3 \' w4 _
-
0 w; v& J' ]0 L7 ]7 t9 c0 Y6 B - - C0 b. C+ {* D
- I* {. | ?" q& h( a: l
- function start(event){& v( I6 q4 G6 t3 s+ V _
- console.log(webSocket);
; j9 Z6 x" g3 \ S$ B4 \1 T) V8 `3 ] - var msg = document.getElementById('text').value;
9 ^& P) b4 ^, H& o - document.getElementById('text').value = '';
$ D$ I4 b d( M - console.log("send:"+sockState());: F$ V5 d' a: O7 `: L7 d
- console.log("msg="+msg);1 M9 N5 p* I$ `4 ?2 l
- webSocket.send("msg="+msg);
/ H, m# a' |9 a, o - document.getElementById("msg").innerHTML += "<p>request"+msg+"</p>"0 b6 |; B9 x- X
- };
E; p2 \8 M3 _8 z) M6 g1 ~ - " }+ s6 p$ e) C5 o
- function close(event){
7 d, @: [% b e: @4 R( ^ - webSocket.close();; P) C) V% N- @* J, W; k7 i
- }
8 b* m2 f/ A8 {) I2 Y0 h - </script>/ S# C- Q) u. A9 [; h
- </body>
9 ~6 j D" c- [1 ^9 p - </html>
复制代码 * l9 c5 N; U# j0 c& I- J' g
9 `- g, l+ B) b8 q2 ^: x( @ [
: s$ D3 r6 e' h2 ^% P% A. E
|
|