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
( x6 p' |2 {8 s! [1 v& j
3 }( p4 ~ U$ t% A
. y4 ^5 C: e9 g [/ X! ISocketService.php L! r% g( }& Q
- <?php
# l$ ~3 u) B! ^( u% ^0 R - /**
7 l3 _3 e/ `- n, t7 d - * Created by xwx+ w# ^1 a; C) F3 d, \+ u
- * Date: 2017/10/18% P H2 y% ]) q8 y) l7 N* O$ y4 Q
- * Time: 14:336 r4 u% P4 j5 d& ?$ Y; m1 C
- */
# M$ L2 O$ Y- g7 v8 V -
6 Z& G- }; P3 M% o* J - class SocketService
- Q' G, Z* N! h0 Q6 G% E' h7 v - {
& l9 j. Y$ |7 g4 w' }1 a& ~ - private $address = '0.0.0.0';
7 v5 G* ]* O* K' B - private $port = 8083;" z) F& |$ m6 n4 B: a3 L7 c6 Y
- private $_sockets;
; ^3 k" j- h4 i9 P- J+ Z - public function __construct($address = '', $port='')
0 ^* o9 v+ x$ e7 D+ ` Q - {
& k8 X$ E+ c/ f3 n - if(!empty($address)){/ a5 G i6 R$ O. x$ S
- $this->address = $address;0 o# f6 E$ X3 n" Z2 M* R
- }
( u; N4 b, J' o+ W; P4 j$ | - if(!empty($port)) {
# r* ?" m* M4 Q. ]$ p) q# k; Y - $this->port = $port;
d% H, K0 r( E+ \9 b; [; w - }6 P+ N$ {1 a# D) e$ L- h
- }
e3 f3 ~) |) s# L - / @. {' b- ~4 ^0 b
- public function service(){
; H$ E8 f0 X" f9 A- \) w - //获取tcp协议号码。" j8 M/ i- n# \* \
- $tcp = getprotobyname("tcp");
; v9 B9 W& V" w7 r - $sock = socket_create(AF_INET, SOCK_STREAM, $tcp);
3 s! J5 ^- E Z9 I8 ]9 { - socket_set_option($sock, SOL_SOCKET, SO_REUSEADDR, 1);
8 x; k n9 X \* `( j - if($sock < 0)2 \4 h2 q0 _: @
- {
4 D! p; U- l5 U o" Y; @, e+ t) b0 q - throw new Exception("failed to create socket: ".socket_strerror($sock)."\n");, F6 J4 Y7 ^1 _% a$ h% _$ Z
- }
, b }, e9 ?2 C0 d+ \: c8 I% O4 X - socket_bind($sock, $this->address, $this->port);0 T5 a: [* S& w! y3 w6 l
- socket_listen($sock, $this->port);; I8 M3 p$ w. _- A" T% I7 {
- echo "listen on $this->address $this->port ... \n";
% f+ R4 w! c: k2 V - $this->_sockets = $sock; {* [, y" r2 R- B# k) w# {2 h
- }! | Q0 h5 ] P
-
1 j* h% o1 H, X - public function run(){
/ f: L4 S) y% b* @1 G* \ - $this->service();
9 i" r& F- H' {1 S) m - $clients[] = $this->_sockets;
, l# R4 [0 }3 O6 Y; | - while (true){
, e: p' ?9 \# I& n5 J7 O* e - $changes = $clients;
$ H3 A& a8 S% E' `( f. h. u0 o - $write = NULL;
* m9 M0 d* g4 l+ Y8 Z - $except = NULL;' z! f# L+ t, z& T. y
- socket_select($changes, $write, $except, NULL);4 h( M C5 Y! B# Q# n
- foreach ($changes as $key => $_sock){
/ R. R, Y/ C g! X7 |/ R - if($this->_sockets == $_sock){ //判断是不是新接入的socket
* o% Q" |8 U5 p - if(($newClient = socket_accept($_sock)) === false){4 h2 \3 w# T6 `& L6 I$ z3 N* \9 e
- die('failed to accept socket: '.socket_strerror($_sock)."\n");
, E1 {' p: G' R4 M6 B - }
n' _; P0 x& R0 {* P# l - $line = trim(socket_read($newClient, 1024));
- f, @3 W5 Y4 h* b2 ^ - $this->handshaking($newClient, $line);
; K( D$ L( B/ f( ] - //获取client ip
* f, J' c5 o8 m3 i - socket_getpeername ($newClient, $ip);
% F: V$ e5 Y v! _- q* d$ y - $clients[$ip] = $newClient;2 D: H& E D% k% E4 i/ g
- echo "Client ip:{$ip} \n";
5 ^3 T% _0 ?# S ?2 k6 X - echo "Client msg:{$line} \n";7 _2 Y* ]/ M1 |' e+ d& E4 P
- } else {
, }. D: g; L# l+ M9 m - socket_recv($_sock, $buffer, 2048, 0);
7 \# |" G- B+ J+ U% G' o - $msg = $this->message($buffer);
+ m* ^4 h% P) B) \: V - //在这里业务代码+ y) u& j9 R+ Z* |! X& [
- echo "{$key} clinet msg:",$msg,"\n";5 l8 S3 E! q+ T5 u0 n
- fwrite(STDOUT, 'Please input a argument:');
. [9 X! }. d, _) v8 J, G0 h: ]" ?, }1 | - $response = trim(fgets(STDIN));
8 C1 T1 D. l( C+ P! P6 e - $this->send($_sock, $response);2 {7 C6 z) p6 U
- echo "{$key} response to Client:".$response,"\n";
. \, Q1 \: M$ @% R- ? - }
* K) i$ N6 B0 F - }" B: A: q p% Q4 `/ F+ D
- }
: j% L& t* c7 v, c. n- R - }
3 P2 V: c8 h! I. ]7 e2 g" j5 ]6 W -
; p o: F/ P2 Q - /**
" X6 }- L7 Q+ J9 R- x0 q$ n - * 握手处理+ d, u. X9 {2 I0 @
- * @param $newClient socket* p9 _+ a @% p6 H3 W9 g H. h- ?
- * @return int 接收到的信息1 l2 s8 |; m5 v" M% T& U
- */: `! N, Y) D9 {, l$ ]1 U
- public function handshaking($newClient, $line){
' |( h/ W e$ I0 E - ; M/ e# m( |" [$ O; P
- $headers = array();
) O o/ e1 N0 E- t# q1 P5 b: d - $lines = preg_split("/\r\n/", $line);; @! `7 ]2 E5 K
- foreach($lines as $line)
; { \0 @1 M# C9 a. [9 N, G. Y9 S0 s - {9 b* M4 p! W- }* b5 R
- $line = chop($line);" j8 | D; A2 `. t: b% \. Z
- if(preg_match('/\A(\S+): (.*)\z/', $line, $matches))
- M% S$ W2 O# \" _3 ^+ E - {& B# {" X l: S x, Y
- $headers[$matches[1]] = $matches[2];- u! u7 C$ C9 o& `
- }! }* T& u S* f. }7 u
- }# [$ A2 L# j @- d
- $secKey = $headers['Sec-WebSocket-Key'];! f4 i9 [: j" N0 E9 H `0 S7 ~) b
- $secAccept = base64_encode(pack('H*', sha1($secKey . '258EAFA5-E914-47DA-95CA-C5AB0DC85B11')));
4 H3 d; y# _2 S7 l9 d9 | - $upgrade = "HTTP/1.1 101 Web Socket Protocol Handshake\r\n" .
, {5 }8 ~$ R& C" L - "Upgrade: websocket\r\n" .
: p% d4 |, E' k/ t A e) M% P - "Connection: Upgrade\r\n" .
% [( d3 K# `" g - "WebSocket-Origin: $this->address\r\n" .2 i. b0 s t% Z% d: r6 j
- "WebSocket-Location: ws://$this->address:$this->port/websocket/websocket\r\n".
5 O4 U2 p& H X9 @4 g - "Sec-WebSocket-Accept:$secAccept\r\n\r\n";" M$ a: Z2 g- Z: p
- return socket_write($newClient, $upgrade, strlen($upgrade));; z% v( k, Z4 O& n. Q
- }8 D% a* ~1 A8 z% ~& y- ^
-
! v/ \3 A/ {3 c4 b0 g/ X h. a - /**
! m0 Q. x4 p. L- o; W+ } - * 解析接收数据! I7 O2 _; ~" ]) K+ B) _1 z$ i
- * @param $buffer
' e2 s+ n9 D# A! C' \; i. C8 N - * @return null|string
6 C+ c; \- L6 B - */
& x, j5 v2 w* v# ]2 ^ - public function message($buffer){
$ ?2 h2 C: s% ~& \1 _- A# S - $len = $masks = $data = $decoded = null;
' y$ v: W9 {9 i w* Z8 R! ^: ? - $len = ord($buffer[1]) & 127;
) \7 _$ w9 j0 o2 p( X, y - if ($len === 126) {
8 h' E+ }7 @7 ]5 n* t' P% W - $masks = substr($buffer, 4, 4);
5 p! Z' k! _8 \ C/ q5 F1 y - $data = substr($buffer, 8);
6 h! e0 y/ ~9 z! l4 z - } else if ($len === 127) {
5 n* ]( m5 S, g - $masks = substr($buffer, 10, 4);
* }6 l! V6 G3 I3 W - $data = substr($buffer, 14);" `' d& J6 O1 d
- } else {
/ F7 ^! M# R7 P* ^ - $masks = substr($buffer, 2, 4);2 J6 P- ~( p6 X1 R. T1 ]* ~$ ^! `& d
- $data = substr($buffer, 6);
" o3 l7 H7 _/ i F- p, l - }' _$ Z2 ]6 @2 ^
- for ($index = 0; $index < strlen($data); $index++) {0 \7 A+ w) j% K& x
- $decoded .= $data[$index] ^ $masks[$index % 4];
7 G8 Y4 c2 r/ G - }6 r" e1 Z( @. W4 q% Y
- return $decoded;: v9 j! u+ I5 [; T
- }$ L. y4 |6 i& n+ C" [2 z) r4 t: @
-
1 K# q' ?. q" y' @ - /**
$ r/ e/ Y- M: S2 k1 J - * 发送数据. Y! d4 g" _0 K5 q
- * @param $newClinet 新接入的socket$ G* E( x' b6 M. T) |3 F
- * @param $msg 要发送的数据; o3 y0 {* z& n8 z" f
- * @return int|string. M; x ]6 r5 l
- */
. M: R& L0 T! F0 P - public function send($newClinet, $msg){: T" L1 v: R" a
- $msg = $this->frame($msg);1 y+ e) ~' n" h! A
- socket_write($newClinet, $msg, strlen($msg));
! H8 L: B# V t& ? - }
, F7 u. f/ t" ?5 M -
$ B! { z; p" k+ k" c - public function frame($s) {$ k$ @! x' w1 o& Y
- $a = str_split($s, 125);
" G, S5 [% {- W3 z - if (count($a) == 1) {
. P- i7 O& d6 a$ L3 U - return "\x81" . chr(strlen($a[0])) . $a[0];+ E( B8 w7 v7 E$ T3 D: ^6 V5 U6 k
- }
7 i, ^" F# M; I! s- O - $ns = "";7 a* L1 f* \& J9 x- Z/ F9 _% |
- foreach ($a as $o) {; |* ^9 }$ O9 y
- $ns .= "\x81" . chr(strlen($o)) . $o;9 O1 k4 w+ ?; V: m2 @7 p
- }
5 R" @; P% Q6 v! T - return $ns;5 M" S! P8 G; E/ g
- }
3 P" y5 l S2 F: q, i - 5 |# x+ \% x: p* F/ E
- /**5 _: {) G) b, p( F! ?# `
- * 关闭socket6 g7 C5 [2 g' P; D) M7 u6 F
- */7 \/ w3 s# }: c0 x+ M. J
- public function close(){/ [; H" p7 t- f7 X, n/ r2 F, x
- return socket_close($this->_sockets);
) R4 V% E$ ~5 ] E. q6 p* G9 b) N - }' x6 \" |% B" m3 n, {3 P7 U! v% n
- }
) r. V! B h7 r1 G -
. c1 a2 x* n9 S/ m( T3 }0 M3 w" j - $sock = new SocketService();/ Z* D) |9 K. X& N
- $sock->run();
" N; @4 }" S: \# M) J
* j' K4 U& V4 u8 g* i% P
复制代码 web.html
2 \6 T0 [1 U7 H7 _8 o0 F; p- <!doctype html>2 G7 b" g- b' U) a7 z8 p
- <html lang="en">' B, g. U4 J' e) f; ]
- <head>
0 @3 R! ~( S* I4 G* h - <meta charset="UTF-8">: ]: L% y2 j$ b0 I2 u& G6 T+ Z
- <meta name="viewport" content="width=device-width,initial-scale=1, maximum-scale=1, user-scalable=no">
4 q2 o, I `! D B+ v1 o - <title>websocket</title>
( A$ l) G8 s9 e9 Y; s3 i - </head>+ R$ I d; }& l/ ^& w
- <body>$ r2 d+ j6 q3 N" Y
- <input id="text" value="">
; K$ w4 Y0 y8 ] - <input type="submit" value="send" onclick="start()">
X3 c8 S% f9 O9 c - <input type="submit" value="close" onclick="close()">& F3 J/ e& q1 E
- <div id="msg"></div>/ d. c0 \/ Q; o: x- m. p& W
- <script>% p/ f7 O& C% w: v
- /**
5 C. h3 _/ S- L' B - 0:未连接% V- R: {+ Q' D& e6 T7 C
- 1:连接成功,可通讯
, q7 s( J2 K# C3 H) ~" g - 2:正在关闭" B0 _; o4 B; c! Y
- 3:连接已关闭或无法打开 b2 l7 k( z/ {2 ^8 V
- */8 F$ `# N# w& u3 m- V( L7 @
- $ `& z/ Q' L, X2 @# X { I
- //创建一个webSocket 实例6 i/ Y( a @" K
- var webSocket = new WebSocket("ws://192.168.31.152:8083");
# \7 w2 O' f6 A" s( e2 I -
( y. t4 V# r/ | -
3 X( k P3 G2 v7 G$ H* v8 \( z - webSocket.onerror = function (event){
. Y: L* W' Y; g" Y, z8 I; A - onError(event);
& Q F' |% Y+ u- X - };1 T- ~& f5 z n4 z1 X
-
$ c, A6 ]$ z4 w0 \; L3 \, ? - // 打开websocket* n- A D! f1 g, f& h
- webSocket.onopen = function (event){9 ]" ]5 [( U. _' |
- onOpen(event);* W8 D% e/ {. l
- };& j$ E# K: {+ ~( E/ z# I
- 1 N: ` d) `( ]7 [4 u$ o" x1 B4 C
- //监听消息
, j, v5 n# G. ^& R- K - webSocket.onmessage = function (event){7 _' L3 H/ ^/ X @4 X, P/ t8 q( w
- onMessage(event);7 t- r `) c7 \: C
- };
/ {( V0 V9 z6 w! \" _9 L9 g -
: J1 [: Q3 v1 L4 E" C2 r' c( y -
5 ~1 R3 p# i* W" ]/ k - webSocket.onclose = function (event){1 K# ~+ i* a: S) F
- onClose(event);8 w9 o9 W4 C, k) I0 y3 {: _) ]
- }
. r5 F. _0 @& v% E" w$ C& u -
$ y! l* x/ a, n9 U: V3 z - //关闭监听websocket4 \% m5 j& Y9 ]4 u6 F1 i6 n2 d- @3 W+ g
- function onError(event){
( i+ `) i4 u2 [ _9 E6 w: D) d - document.getElementById("msg").innerHTML = "<p>close</p>";& {9 g0 d L, v( r' S) T* w% v# C
- console.log("error"+event.data);5 ~0 C) b$ I: d
- };: Z; p& e, p! g1 R& h: G; A5 Y6 ^
-
& G; `- U/ E, C! g2 J+ \8 D - function onOpen(event){7 m V3 [' _$ `3 D4 c
- console.log("open:"+sockState());
& ^" I F4 n- P- _+ V# w - document.getElementById("msg").innerHTML = "<p>Connect to Service</p>";; \" p8 Z- \( t" x& a0 S6 ] ~
- };
0 t( j: \ a9 U. g! B - function onMessage(event){( E1 t1 U1 z: U$ W
- console.log("onMessage");
. b2 B! M2 N+ J) l1 F - document.getElementById("msg").innerHTML += "<p>response:"+event.data+"</p>"6 Q6 U5 ~9 R, M: j) A* h
- };6 J, K4 \1 `3 q/ r# p4 I% o7 f% W
- - H: ~& ^5 K& u! b, c( |6 L- |
- function onClose(event){0 [/ S, z4 F2 ?- [
- document.getElementById("msg").innerHTML = "<p>close</p>";) \) j' N! X+ M) X1 t
- console.log("close:"+sockState());; m! Q4 i. V6 L0 @
- webSocket.close();
8 i2 M7 ]) K6 ~5 Z5 g7 R - }
3 u) X/ l- P/ a. U1 ?: [ - % |+ y# Y; Y, H! d: K+ D, }
- function sockState(){ s, d$ B! C3 Z
- 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'];
7 X8 f, C" x" Z+ q" M - return status[webSocket.readyState];) H) c' G4 v) O' ~2 a/ q
- }
4 E f) a$ a, E J' c - 6 \9 p+ @; ^3 c! G
-
# a& z1 z7 b! T: ] -
6 V6 @. d v9 w( |+ a0 Z - function start(event){
5 N3 o3 V" a4 h- g& `. _# Q - console.log(webSocket);
- D* A( {! B4 p" {9 P: |- S- S% _ - var msg = document.getElementById('text').value;
) v" P V9 b5 d3 j0 U' K" P% h - document.getElementById('text').value = '';
& K6 J6 w j7 U0 c - console.log("send:"+sockState());
+ y" o: |! @. [' ]: |% s - console.log("msg="+msg);
! U! d6 l0 H2 d3 K8 ] - webSocket.send("msg="+msg);3 {/ g) C. [) O) |) u# K
- document.getElementById("msg").innerHTML += "<p>request"+msg+"</p>"
' }: f/ d; k# w) X - };1 V! V3 V+ N8 ]
- " K- t u) ^. O! H D
- function close(event){
1 T2 E. [0 T" M9 l - webSocket.close();. f* d7 M/ q6 C# b S* p E" ~
- }
/ j$ R; I9 K9 j2 ~ - </script># F: T8 a' K& G& d$ D4 b
- </body>
6 o% e0 }2 w' L - </html>
复制代码 * `# j F" Y: o& s! t: Q$ ^
6 e) S7 E* A2 F# c& T0 F( `, W0 B
1 x; K+ b7 a- s) X& v |
|