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php实现websocket实时消息推送# p$ d$ N8 [) g9 o3 I% h2 B0 f
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SocketService.php, O# ]6 K Q7 a) x
- <?php
# j' j- M& T( S! Z8 \ - /**) F* x# K2 p8 @/ u+ E" w! p0 E- m
- * Created by xwx
2 [0 I. S7 m. g& b4 K% U - * Date: 2017/10/18
& K+ s% K' Z; W# W7 x, G- V, h - * Time: 14:33
% e' g) z0 E5 k6 l. A- \0 e - */
: t" }& \ y$ i, k" K- W -
$ v- x8 c/ } i9 C; A4 G9 Y0 V - class SocketService
( U3 D, I: z( f, K6 ^$ H - {
) {9 m) k* u; }4 G - private $address = '0.0.0.0';7 z! u( a9 E3 o% G Z9 C0 {8 w
- private $port = 8083;. Z4 e1 `) B, i
- private $_sockets; p( }- [6 U o# p2 v
- public function __construct($address = '', $port='')
; w/ c5 P7 P1 k* |8 _; o3 J: _ - {
/ g# k$ d/ {( Z - if(!empty($address)){
! t2 O! T( v( k: V: P - $this->address = $address;; p5 N5 A0 v' m. D- F+ |% L
- }; X! O" Q0 {" j7 m+ n* V
- if(!empty($port)) {
1 ?; A6 q2 |+ B4 g M; y. v% U - $this->port = $port;
2 r s" b8 Y* s7 h" f - }
4 v% ^9 B3 T2 w2 d4 t" z( t - } w+ Q8 O* s% o4 H! e
-
2 C `* z8 k; y: H. u* X, R - public function service(){) b2 w, K) X; l, G
- //获取tcp协议号码。
2 i" c! |, w& j3 U6 s) H - $tcp = getprotobyname("tcp"); e0 n. v& }5 f
- $sock = socket_create(AF_INET, SOCK_STREAM, $tcp);3 |6 U- c0 j, s2 H; x W
- socket_set_option($sock, SOL_SOCKET, SO_REUSEADDR, 1);! L. g8 q- {5 Z/ @! H+ I4 u
- if($sock < 0). o0 I/ p0 X6 {& c
- {- n8 r9 I6 _, | o: Q: d: ^- f
- throw new Exception("failed to create socket: ".socket_strerror($sock)."\n");( o+ Y' }9 z& ~. V1 i& S
- }2 Y; h F$ g2 s4 F1 ?) m8 |
- socket_bind($sock, $this->address, $this->port);* q0 V4 z) q2 O1 Y5 p, k ~
- socket_listen($sock, $this->port);2 \, e! o# x) R0 g w& R
- echo "listen on $this->address $this->port ... \n";
6 m n3 G6 H4 w% h3 ]4 T5 }/ Y - $this->_sockets = $sock;' S9 k( U" R B; i
- }
, d" x9 _0 _/ G - ' z0 b% T' p4 w6 Z9 a, e( m' r
- public function run(){
( @1 F' O8 v% ~# h - $this->service();
8 }$ {4 c) [ J0 Y - $clients[] = $this->_sockets;# s7 O) U, {; h% f: p, J) E
- while (true){
. x2 k! ~3 @* A+ |6 x& c - $changes = $clients;9 q: e; @6 f1 }* }% S
- $write = NULL;# h& W/ E6 K1 N1 A$ u
- $except = NULL;
r, Q- O3 M/ i# t - socket_select($changes, $write, $except, NULL);
" R2 e8 |6 e: `( g* ^6 Q+ D* A - foreach ($changes as $key => $_sock){
, U1 E M* Y% V1 y J - if($this->_sockets == $_sock){ //判断是不是新接入的socket
( K5 C w9 y z7 r- F* Z- |; N - if(($newClient = socket_accept($_sock)) === false){
6 n1 T+ b) q$ K+ `( F) G# k - die('failed to accept socket: '.socket_strerror($_sock)."\n"); f+ _0 a& N3 [3 r0 O- b
- }
6 ~2 `9 v% y* g5 ]5 a3 C - $line = trim(socket_read($newClient, 1024));8 k' u' S) u/ \/ P) a
- $this->handshaking($newClient, $line);0 J! P. P0 }' E
- //获取client ip) T% N$ s7 v5 V9 b; d+ |2 j `
- socket_getpeername ($newClient, $ip);
4 @& S$ _4 G, L8 a: q5 D - $clients[$ip] = $newClient;* R+ a* Z3 F& k; t$ u' O! g" z* \
- echo "Client ip:{$ip} \n";! g% ]2 i3 ]; S$ k" K
- echo "Client msg:{$line} \n";; L" \- z: K) n
- } else {
[5 ?$ O. D- b, d) q1 l2 x. m5 ~7 P - socket_recv($_sock, $buffer, 2048, 0);/ M6 c7 T; H" I. ?) u% y
- $msg = $this->message($buffer);" v0 m' @! \! [. i. d4 ?
- //在这里业务代码, t% h6 t# b* }4 ?9 y* [
- echo "{$key} clinet msg:",$msg,"\n";
: Z) g, }# L4 f2 J - fwrite(STDOUT, 'Please input a argument:');
5 {7 B! X, r" K - $response = trim(fgets(STDIN));
9 b( I9 T9 Y0 W* |* _4 Z - $this->send($_sock, $response);7 ^4 u3 s9 w2 n& ^0 U) E: V0 }8 O' K
- echo "{$key} response to Client:".$response,"\n";
9 S# w6 X( O' k7 M1 L6 ^( l; H - }& i w' o% {' P7 N) a; u* {
- }
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- /**
/ D( A- A& ?5 Q4 M" |3 h - * 握手处理
* j' E" a! }2 P9 d6 w+ ]/ x8 s - * @param $newClient socket; {) l: e$ S3 B9 O
- * @return int 接收到的信息8 ~3 z$ e" q6 N1 |
- */. S5 M8 k, L( q* S0 }- t& T0 [0 E- K) }
- public function handshaking($newClient, $line){
2 t4 U6 A! s1 H. q/ {# K; p - $ x; g; H. n) r- M% j# t$ L# G, F
- $headers = array();0 v; @( B+ `' p+ G7 i1 h
- $lines = preg_split("/\r\n/", $line);
0 i0 s& n! E3 o E8 u - foreach($lines as $line)
5 ]# J0 U! `3 T0 k; H - {
8 e' ~0 ~! a' [6 ?( h - $line = chop($line);7 O( O6 x0 J- x/ ?7 J. n" G
- if(preg_match('/\A(\S+): (.*)\z/', $line, $matches))
; B7 o. v0 V1 S& H! a - {
" c% N6 Q4 v$ O- F3 x8 _ - $headers[$matches[1]] = $matches[2];
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- }5 P W! n( E% s( N! Y' U: W
- $secKey = $headers['Sec-WebSocket-Key'];7 t+ u7 j. F% y8 r+ s
- $secAccept = base64_encode(pack('H*', sha1($secKey . '258EAFA5-E914-47DA-95CA-C5AB0DC85B11')));# Q+ v& ~' _* s. Y( ]6 x
- $upgrade = "HTTP/1.1 101 Web Socket Protocol Handshake\r\n" .
( e& a, }! s6 Z: K( c - "Upgrade: websocket\r\n" .- H& q' U/ E9 f) a
- "Connection: Upgrade\r\n" .
5 C5 h9 ~( c' K2 { - "WebSocket-Origin: $this->address\r\n" .2 @1 [) L. ]2 ?" [4 P" s$ {
- "WebSocket-Location: ws://$this->address:$this->port/websocket/websocket\r\n".
! f0 e9 Y# \6 l' N2 {7 V - "Sec-WebSocket-Accept:$secAccept\r\n\r\n";
2 U7 Q7 i; {. |+ }1 ` - return socket_write($newClient, $upgrade, strlen($upgrade));
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- 5 c" }8 a; u1 j# D1 p" `
- /**6 {8 g. F b& i" Z
- * 解析接收数据
( L4 ]' l) P! Q9 C j! F h) x - * @param $buffer" a% N% [7 p. ^5 C( |
- * @return null|string/ }# N; U1 f, ?( R3 y; H+ M& x+ x
- */
/ F! Q V0 C: k. ~ - public function message($buffer){! g/ S3 G( {* z5 X2 _( A& _! F7 O
- $len = $masks = $data = $decoded = null;
3 I' ^0 F, q9 y" ` - $len = ord($buffer[1]) & 127;4 l. R: e n7 \% P/ _
- if ($len === 126) {
5 V% b2 {" w" f- z# k- U* T" l - $masks = substr($buffer, 4, 4);
7 A2 K: R9 \- h( {1 i - $data = substr($buffer, 8);
- g$ m9 Z$ l) D/ A, I0 D) } - } else if ($len === 127) {; a% Q" M# n2 V$ t4 O
- $masks = substr($buffer, 10, 4);' j" S( N$ Z+ k% _( D w1 z
- $data = substr($buffer, 14);
5 H6 e' K/ V0 A7 k, A. z! R/ l - } else {
+ ~4 l+ U7 ]1 X3 V - $masks = substr($buffer, 2, 4);% |5 k0 p: G: e0 |) H9 E% q& n
- $data = substr($buffer, 6);
X9 Y* `3 W; O- J, E/ h - }' X. T) P- R! j" m) D
- for ($index = 0; $index < strlen($data); $index++) {6 x7 \, |" G. |9 b3 }. g) l. `4 v3 |; G
- $decoded .= $data[$index] ^ $masks[$index % 4];
( v* X/ Q h; u2 Y2 K. F - }
' x9 i; b9 v: |2 x8 `3 ]( Y/ @ - return $decoded;% }+ R N( x/ }) {4 ], w
- }6 H8 x$ i; d0 i# k
-
' T% ^# A2 s5 }) ]8 ^ - /**
/ H# `8 K7 n% U1 X/ s - * 发送数据
% Q' N1 J" p& e1 H9 W9 P - * @param $newClinet 新接入的socket' M" D4 G3 O' {) V% Z
- * @param $msg 要发送的数据
# P9 Q$ o; X0 \ x - * @return int|string
$ @8 p: W0 l. g- ]; w$ g - */
; Q; m/ g' U& u - public function send($newClinet, $msg){! r* F: b3 x) m
- $msg = $this->frame($msg);% N6 N' _( s- q, t* H
- socket_write($newClinet, $msg, strlen($msg));
: \: l. W7 a9 H9 R4 ~. k - }. O. B: L; L \# u: c
-
# M7 V4 X- R, L0 B _2 K s - public function frame($s) {
$ I5 v& f7 O( [$ Y - $a = str_split($s, 125);% X- G7 \. T5 S: C( l$ w8 \
- if (count($a) == 1) {
& I7 O1 {) {) V2 k( c: R, G, { - return "\x81" . chr(strlen($a[0])) . $a[0];1 W" A" \& f4 k( ^* y
- }" e( e5 e4 W1 x1 d# Z
- $ns = "";
5 }( `. T _! p& M M( i - foreach ($a as $o) {5 l/ H% H+ z3 O6 I7 C
- $ns .= "\x81" . chr(strlen($o)) . $o;" i4 Q; F ?. R$ S; K! K) h
- }
* m8 J" _9 u1 L3 C# _ - return $ns;
; U6 K t# [0 a. Y' U' P( q - }/ s8 C; N: i( m0 U; V4 f; W
-
- U. b* V% D1 W t8 @ - /**- z: I7 I6 x4 \7 M( e/ E E' l
- * 关闭socket i" W- }& g2 p+ V A
- */
% f# v; q% y5 H: G- M/ C( _5 l; ?" ? - public function close(){7 ^$ D/ s0 H8 `1 _
- return socket_close($this->_sockets);; k5 q4 o$ e) X4 {* N9 {+ B
- }1 P2 _; \0 p; M+ F5 b" A6 k
- }9 S/ o, F, q; c' Q" }
-
/ l" Z6 H& s9 l. a5 K% A% g; J2 @3 B - $sock = new SocketService();" x7 N; M" x8 o. h5 R- c
- $sock->run();4 G4 Q$ v8 V7 j, M9 P$ ?0 O
- 5 ?! S2 M( L6 N2 K% q" z+ e
复制代码 web.html& F. k+ T' w3 q5 s; u E- B! q
- <!doctype html>: K; c/ u3 F. j" o
- <html lang="en">
* ?, P) h* j" X' K# @9 j0 F9 x - <head>, T) [/ h4 g( K
- <meta charset="UTF-8">
' M) T9 w7 M! |; a - <meta name="viewport" content="width=device-width,initial-scale=1, maximum-scale=1, user-scalable=no">8 c2 G: X/ y' a$ k
- <title>websocket</title># \2 X" y9 M" I1 l1 \$ ?
- </head>4 e( @ e5 d# F& I& r8 Z
- <body>
6 U9 F4 P0 X/ `, w - <input id="text" value="">6 k( G5 P2 J% _9 l. M: i
- <input type="submit" value="send" onclick="start()">
/ z u' p& [& F2 j* m& \4 _- U - <input type="submit" value="close" onclick="close()">+ ^' ^9 ?7 ^# K/ i" L
- <div id="msg"></div>& _3 O2 D! t. A% }
- <script>
& F; E4 D+ ~/ l4 i. R; c - /**5 O3 Z! }$ J& k; j
- 0:未连接
5 r( z/ G1 U+ t% K - 1:连接成功,可通讯
1 n! G1 }* S3 |) U/ W - 2:正在关闭5 E6 j& X1 d+ v6 [/ C( q! W
- 3:连接已关闭或无法打开
" k' n# _* h p+ F - */- U& `1 w0 i4 P, k* e: n/ B
-
& j9 c6 Q% z' L% W! v2 B - //创建一个webSocket 实例& i. ~, P" N- Y3 D
- var webSocket = new WebSocket("ws://192.168.31.152:8083");
1 P( @7 \; s6 b( w0 {) W; i -
7 q9 g# q' C" _& U - 8 d) T1 Y- N: S& |1 j4 s. Q
- webSocket.onerror = function (event){
/ s8 Y7 e6 K8 M- |! E& r - onError(event);3 | m* k: g/ r. W- K7 O, f0 {3 u
- };
* o6 V. q) l; O; I3 ~ -
; O9 Z& z- @! O) f2 R. W; v - // 打开websocket
W: s& {, @# P+ _4 ?' H: L - webSocket.onopen = function (event){
% ^6 p4 ^. i: T9 c - onOpen(event);. i) ~8 H8 Q- x$ M
- };
& e! k1 z5 q$ m2 j: M# i8 [ -
; a3 x) c4 f0 ?( ^ - //监听消息5 h$ [# O; a u- A7 ]8 q
- webSocket.onmessage = function (event){
& x" M8 d6 i: i: H" M% O - onMessage(event);
$ B( `5 p6 w2 n6 q- b9 K - };
* p W7 e# |/ h! u/ | - 2 o; ~1 S5 q' I& ^' d* E' x" k
- 6 r) y @: T+ `! z$ V6 \
- webSocket.onclose = function (event){
0 `3 k$ y' H) ^7 v* m7 n - onClose(event);
z0 o6 p/ Z% y" S2 u" t - }: |% g9 p8 d" Q- ~8 z9 e" v1 M
-
" O2 ?/ J4 I1 T- O" W8 D; W - //关闭监听websocket7 o3 g: ?" s) c" L
- function onError(event){5 C) H! J& j! q7 `
- document.getElementById("msg").innerHTML = "<p>close</p>";
; \& r* j! \, s1 z- x - console.log("error"+event.data);* _4 Q" K$ v9 p2 Q; V( Y: O8 o. N
- };
. o$ H2 R0 s- S6 B - L! ^8 F4 W+ x5 h' E3 J
- function onOpen(event){
' r4 N, f( A/ Q, O: Z. S1 ^ - console.log("open:"+sockState());
' S2 M5 }! `5 O9 a4 X: T* j - document.getElementById("msg").innerHTML = "<p>Connect to Service</p>";
! n7 G3 V( S, a7 } - };
2 K' G1 o5 B" M S d - function onMessage(event){. i* ?2 F$ w; M7 z' o& k
- console.log("onMessage");% }* _3 X# R9 W( Y. F
- document.getElementById("msg").innerHTML += "<p>response:"+event.data+"</p>"! }1 P6 u1 D! \: N! G ]8 y
- };/ f$ U! T) V' q6 Y: [
-
9 r6 |* t" w1 @1 d D h - function onClose(event){/ U7 C X( S7 l* g9 R) M
- document.getElementById("msg").innerHTML = "<p>close</p>";7 Q: J- y& K3 K* V/ P9 ?1 M/ u
- console.log("close:"+sockState());
/ m% ?1 o! w7 W! ]3 Y; P - webSocket.close();9 B5 o0 \1 Z: O' \( ~+ y+ l
- }
3 o' }. R! a9 e' s- S& S" N1 T -
, Z0 A& W( D6 [2 S* ?; V - function sockState(){3 s& @ n$ @5 I& d- [* 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'];; u# g: o0 _8 W* I+ v4 J# t
- return status[webSocket.readyState];& L0 Y2 Q, b, k! }! I2 o2 f z. }
- }0 S# X3 u; K9 \
-
. x, {9 D- I: ]) ? -
$ B4 i9 \4 M' G) g - $ C# ~0 |- U. K% N- ]
- function start(event){
4 I* B6 `- f F! {' e - console.log(webSocket);
/ C* I1 C) D5 K% G; e$ Q9 b. M - var msg = document.getElementById('text').value;, n% D0 P0 O# N, |) V, }$ j- ?
- document.getElementById('text').value = '';! g3 y- O+ Y! U8 Y3 h! K
- console.log("send:"+sockState());
: \ P9 ]' s7 G# L8 M - console.log("msg="+msg);% C' p6 |) R. x# `& b7 P
- webSocket.send("msg="+msg);% v4 g. W: K5 |5 p' p
- document.getElementById("msg").innerHTML += "<p>request"+msg+"</p>"; a9 g. M' F' z- b( t
- };
E! c6 Z( `+ @1 [$ b, ? -
6 x) N% S& Z) i, ?: i2 l - function close(event){
- s# O0 z; M; z; e8 h& D - webSocket.close();- _0 ]* \& p$ o- R
- }' T' m% L" o M' A) k5 U
- </script>
" u/ Z3 z0 O! N5 t - </body>
T6 d/ G( X* Z; {) ~ - </html>
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