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php实现websocket实时消息推送+ H) \8 L7 S) P! }& q" @2 ~8 t
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8 \# `: c5 _9 b, O" dSocketService.php
0 X$ Q! s; G/ m6 U' S! W" n' c, P- <?php! e9 a& v1 S7 g* G2 P2 E# y' @
- /**- c0 T$ D, }/ V4 I1 p. G0 m
- * Created by xwx
" E* z4 `/ c( [( i8 S5 w - * Date: 2017/10/181 r; S6 T$ w9 Z! f. }/ Z; b( Z
- * Time: 14:33# E7 C5 p R# u# z: f
- *// E& I5 }) N7 K! A" C, `
-
* |/ V) S1 |$ ]/ y, o! S- U) _ - class SocketService8 K' Q' [4 t7 M- s
- {
) R6 j7 S4 a2 w7 W9 @) `1 e - private $address = '0.0.0.0';
" |! m6 X9 a+ [1 O1 h - private $port = 8083;* J& O+ A4 s, d: s
- private $_sockets;
4 P* @- F6 O- y( H2 C+ \& m* o7 o - public function __construct($address = '', $port='')
9 f; t c$ a9 b8 \: Y - {
+ V S L e& z. E1 B. }; I1 m - if(!empty($address)){
/ G% P1 S! A; t - $this->address = $address;% [& u: e2 n O7 G0 W4 D+ N
- }4 d' f& d4 n$ k! v: ], y# n+ G
- if(!empty($port)) {# v, K! l; o+ o4 X
- $this->port = $port;- c2 X* p n" f1 E/ T7 d1 N
- }
q! Y* R6 J+ N$ D: m - }& c- [- R8 R3 |/ x
- $ I* T3 B$ Y. n9 a0 ^/ p/ j9 e
- public function service(){+ j5 l' \1 @! c5 B+ y
- //获取tcp协议号码。: p2 G, B6 m# D" z1 {
- $tcp = getprotobyname("tcp");
% E- A8 I& F' O- K - $sock = socket_create(AF_INET, SOCK_STREAM, $tcp);
. r! n/ Y4 |7 x' b - socket_set_option($sock, SOL_SOCKET, SO_REUSEADDR, 1);8 ?. n% ~2 y. S# S
- if($sock < 0)4 w' z. |) \5 ~4 l0 o
- {
- |; Z& X5 P& |' {8 I/ E - throw new Exception("failed to create socket: ".socket_strerror($sock)."\n");
- s j9 x \ _2 D* A - }
2 m d6 |7 ^% e" S! O) L* ? - socket_bind($sock, $this->address, $this->port);5 W6 T" d; m) \/ I) b
- socket_listen($sock, $this->port); C! u2 e$ z4 W+ J
- echo "listen on $this->address $this->port ... \n";
5 @" ?& }: ^$ }$ W - $this->_sockets = $sock;, l, ]. i& e. m6 }2 i- T
- }6 E6 J! M5 I) {. ~2 s: A9 o
-
& @! A6 ?8 p* H; l7 g) w8 ~1 G. o6 W5 i - public function run(){5 p6 D4 f; F& T& `6 W& O+ P6 z
- $this->service();3 R0 r6 g' W0 \ ?& f
- $clients[] = $this->_sockets;( Z# R3 T8 {1 r" |$ b! X6 w S
- while (true){
1 E- G2 S4 @0 a' F4 r( l5 X, a n) C - $changes = $clients;) V! R8 o* u9 q) |
- $write = NULL;
. o& X' l/ k/ ]+ q+ q- ]$ s0 O - $except = NULL;& `- ] ?7 \6 B7 p- S$ u7 P
- socket_select($changes, $write, $except, NULL);
6 ^0 f4 T& q( _+ h" M9 x& E - foreach ($changes as $key => $_sock){* O* X2 d z. K$ E. h1 q; a+ n
- if($this->_sockets == $_sock){ //判断是不是新接入的socket& y9 v( G+ }0 h( {8 _2 O, D0 K
- if(($newClient = socket_accept($_sock)) === false){& C3 [% i$ ]8 N% V1 q( j4 C- W
- die('failed to accept socket: '.socket_strerror($_sock)."\n");
O- S$ z- w5 B8 S" S+ _ - }
3 I# q1 ?& _" I6 g! e. |) ~ - $line = trim(socket_read($newClient, 1024));
, G* }/ L6 C! W$ H- X - $this->handshaking($newClient, $line);
& f" b: X3 Y/ y7 Q" g& K. F - //获取client ip& s D6 g3 v+ m! ], T
- socket_getpeername ($newClient, $ip);
- V, i" e/ {+ c3 ]* m% I { - $clients[$ip] = $newClient;
6 n8 F4 h, V4 ] - echo "Client ip:{$ip} \n";
5 s, P! Q( h" L) A, _ - echo "Client msg:{$line} \n";; p5 p. o/ l3 m1 N4 R9 x) S
- } else {
1 g* K) }2 U7 l3 T# L0 P( U - socket_recv($_sock, $buffer, 2048, 0);
2 D/ P- v7 d3 I" @" C4 t$ q* Z - $msg = $this->message($buffer);( t0 e& {7 F. W# @% n/ F
- //在这里业务代码
; O; q; a9 f6 }4 l( ]0 e; @ - echo "{$key} clinet msg:",$msg,"\n";
, E4 S5 ^( F6 l& f: B4 ^ - fwrite(STDOUT, 'Please input a argument:');
; P( `1 b( ], }" [' Z* u! l7 ` - $response = trim(fgets(STDIN));- g4 h) A* q4 f! ^! m4 q2 A
- $this->send($_sock, $response);
+ F+ r' Z y0 _% A0 \) w/ S - echo "{$key} response to Client:".$response,"\n";
a6 y: X8 c& J - }
n) a7 N4 o: o9 B! b2 l - }" T5 M) V2 _& }) {& r- P4 f
- }% ~+ }( [3 H4 c, P y- X' C& w
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-
$ u- ?" b8 u: L; D2 F. S3 G5 O) j - /**
9 _$ Y! t( a- B% T4 J - * 握手处理
2 V h$ k' Z# t: | - * @param $newClient socket
' U# ^7 X: v5 N" S - * @return int 接收到的信息; @. B |. \9 T" r9 L0 i8 A% c
- */
4 u0 g3 Y4 u% S" v3 y - public function handshaking($newClient, $line){8 U/ V' Q8 H2 m0 C6 N
-
3 I6 r; T, g8 ~" G8 u- W - $headers = array();
! o7 S, B7 H8 Z8 Z p) ` - $lines = preg_split("/\r\n/", $line);
" v( i% `' t$ C4 H: E - foreach($lines as $line)
3 s0 z7 P) m+ r- U7 t: A/ \ - {
6 Z/ ]4 F% J. N. I - $line = chop($line);
7 Q8 q: |" M2 a. @" i$ p - if(preg_match('/\A(\S+): (.*)\z/', $line, $matches))( [6 a/ z2 f- O3 n4 t- O
- {+ Z3 n& Z3 u( [: J. C9 L) ]0 j" A
- $headers[$matches[1]] = $matches[2];
1 i) L/ u9 Q7 ^) y6 }! Y* y: C. a6 ] - }
: y3 s6 |+ ^/ j$ X, C, k; { - }
: j! [* _9 M9 I+ B% Z - $secKey = $headers['Sec-WebSocket-Key'];% D( P2 g' S1 [
- $secAccept = base64_encode(pack('H*', sha1($secKey . '258EAFA5-E914-47DA-95CA-C5AB0DC85B11')));3 a+ v2 K. M3 L. U6 e& x
- $upgrade = "HTTP/1.1 101 Web Socket Protocol Handshake\r\n" .
0 B) h- [3 b; Z- @ - "Upgrade: websocket\r\n" .' N: u0 Q3 g2 a* @: F2 {
- "Connection: Upgrade\r\n" .; V$ D. X9 V; t+ [3 G8 ?
- "WebSocket-Origin: $this->address\r\n" .; k0 \+ X, f9 v
- "WebSocket-Location: ws://$this->address:$this->port/websocket/websocket\r\n".
- @( ]* W7 i+ B, U - "Sec-WebSocket-Accept:$secAccept\r\n\r\n";
* m* s+ P0 c- x' V - return socket_write($newClient, $upgrade, strlen($upgrade));
- I" V/ g5 K n& E0 t8 e1 J8 t/ N - }5 K# i' p: a) s
-
" v. \/ R3 g2 @) r: n+ u, @ - /**
4 A# e, h: x- h4 p' y& Y6 ?4 }4 ] - * 解析接收数据0 ]2 Z. l# k/ y% g
- * @param $buffer* `# _$ {+ S" r
- * @return null|string
' O! G/ y4 ?* o, w8 h+ D$ m - */* q; l$ Z; t. F0 ?* r" Q
- public function message($buffer){
! L0 [5 J2 t/ t - $len = $masks = $data = $decoded = null;
$ u9 J& E. V4 k0 D- e - $len = ord($buffer[1]) & 127;
: ~/ g( o' ^5 [/ T - if ($len === 126) {
, f$ y+ M9 {1 u - $masks = substr($buffer, 4, 4);. Z7 p. ^" @% t
- $data = substr($buffer, 8);, c5 D. Q5 d5 c. o: ~
- } else if ($len === 127) {& Q0 h1 D2 G# f; ~
- $masks = substr($buffer, 10, 4);
7 O9 ^$ }( r) @ - $data = substr($buffer, 14); }* {* F8 l2 Y: N
- } else {
' _/ q, H" J" f) G4 O% V8 P+ ~ - $masks = substr($buffer, 2, 4);
. Y3 M9 ]7 ?$ o3 B* j! V0 M - $data = substr($buffer, 6);3 a9 w: W+ m0 Y4 z$ O$ D! P7 \
- }
2 Y/ \0 s, P1 a* q6 O+ I - for ($index = 0; $index < strlen($data); $index++) {
6 a# x6 L# s( D O5 L2 _. w& s - $decoded .= $data[$index] ^ $masks[$index % 4];0 r. w# K% N3 _9 D% c" r; p! D! a
- }
2 P. @. i4 y; _ q - return $decoded;3 K: H) c; ? i0 }: h
- }
7 ?- c0 l: ?) w o& O -
/ C/ k! L; ]4 R: C- V& }/ E - /**6 O! o& V5 |3 Y ^4 u
- * 发送数据; m% A7 r* @' q! E: y
- * @param $newClinet 新接入的socket
) Z* m7 F! j5 A - * @param $msg 要发送的数据
, M7 J/ H! V$ S8 `8 j - * @return int|string
K* l- d9 V! a0 {4 U - */8 C% \ G G+ t5 e# E
- public function send($newClinet, $msg){
0 i( z/ I: b& \ - $msg = $this->frame($msg);: I2 U/ _5 Y0 K+ M& ^- C( m
- socket_write($newClinet, $msg, strlen($msg));/ ~9 u- n% S' _+ x, {! X
- }% {7 S6 E, W7 Y- r/ `
-
6 `2 ?* s+ H, o - public function frame($s) {
r3 z4 p1 ^* Z" t1 l y - $a = str_split($s, 125);9 i: ?7 @- Y+ K2 z& E' V+ C4 W
- if (count($a) == 1) {
% c: ]0 a" Y5 B/ Y" v0 o' ^ - return "\x81" . chr(strlen($a[0])) . $a[0];
& \/ C- B/ `. }) C% U9 J% K3 T$ F5 T1 r - }( S2 F$ o+ R) @. M% ]3 n' W3 k
- $ns = "";
% _& P9 ?/ |: F! x) @( F2 K4 } - foreach ($a as $o) {
1 k% W* j% ]( O3 J! h - $ns .= "\x81" . chr(strlen($o)) . $o;2 @% \- K, C& r3 N# X3 d9 s
- }2 ~* X1 c* k2 E$ ^) w# O4 {
- return $ns;
( j3 p* K$ I1 y - }, K* d+ n% J$ N; K
- + X1 L3 c) ^/ D" Y) `, c( p
- /**0 s( L* i0 Q( ?6 q4 [4 D, @
- * 关闭socket
% F, }8 z$ p7 `6 x - */ n7 i1 w# r2 G8 A! T1 e
- public function close(){1 d2 ]. u4 k( I$ e0 G/ N
- return socket_close($this->_sockets);
* g) X$ f5 u r% C2 M: \1 s- N - }6 |( n( G+ ^ w. l
- }+ e4 {/ ~* l+ }( B7 J2 | _
- 2 {# {9 v. X; }) x" x; [
- $sock = new SocketService();, B$ _% i$ p) |' f/ R9 k! ^! i
- $sock->run();
+ t: O$ _: F! e2 S% f$ M( n* h2 N
+ }( R* {; |! I- u5 ]$ g2 N
复制代码 web.html5 R2 s8 ~0 i$ ?, G( A
- <!doctype html>" v& g' P; ], N0 w/ a0 O
- <html lang="en">
$ K" |6 M8 F" y0 ]" n - <head>
9 t/ J+ Q( g, S& W' u K* d - <meta charset="UTF-8">( e. O4 V5 K7 G5 J$ {
- <meta name="viewport" content="width=device-width,initial-scale=1, maximum-scale=1, user-scalable=no">
0 f- B& G& k# N' E1 u - <title>websocket</title>
/ Y7 }( s, |$ U2 ]" |7 L& g5 D - </head>7 O" a7 J* F* F% g' f7 y7 X
- <body>
. H. K/ |% ?% C* `8 z - <input id="text" value="">
! U* X4 @5 y4 u) B1 P1 B3 Q: x* n ] - <input type="submit" value="send" onclick="start()">
& [7 z, `2 E' H Q0 a3 z - <input type="submit" value="close" onclick="close()">) `1 p, ~, b, j& i/ d: N9 a
- <div id="msg"></div>9 Z8 l6 J2 Z! ]; z7 ~) C! `
- <script>3 V7 L/ O- L5 e, w3 @3 t
- /**
D" \. R& }- a$ x2 t6 x - 0:未连接, X. T. u3 R6 ^ S0 z
- 1:连接成功,可通讯
# |8 A; L4 X2 K% p5 ^ - 2:正在关闭+ O5 Z1 b2 d! L, x9 N
- 3:连接已关闭或无法打开8 F# M. u+ w+ j& {+ S
- */( C+ Q, d- A) i" A& }* D
- 3 }- m {: e! [( m2 q' |! I
- //创建一个webSocket 实例
% \) l$ |. L" [5 `+ T( } - var webSocket = new WebSocket("ws://192.168.31.152:8083");& ?& B8 b9 m2 z) q" S, t
-
: L/ f! Q% K' H( A - 3 ~4 g2 T$ ^! e8 R
- webSocket.onerror = function (event){
. r6 c# Q1 L: ~ - onError(event);. G& [& K# U9 d* p. r! o' w( J
- };8 r- q" g. |! u. f; _& o5 r. @
- ) V) b! D8 i$ L
- // 打开websocket4 r9 [* L$ Z- C# c6 s. |
- webSocket.onopen = function (event){! w3 Z% R: w" S' E
- onOpen(event);7 P _ O7 K" r4 t, _
- };
8 w1 H3 _( O3 t5 `) i5 u3 ~& z -
$ \" k: ?. f( B h& f - //监听消息
8 h% ]7 R$ k8 Y, F4 ?+ |$ ~ - webSocket.onmessage = function (event){ l' ?: A# `8 H1 E
- onMessage(event);0 N- c9 J' u# U- k8 N7 B2 X
- };7 i, u- O- B7 q: {- q6 ?9 {: _; ?$ L
- % P, M- s4 e# i' h# S
- 4 }+ V L- N8 j( Y8 `
- webSocket.onclose = function (event){, V$ d; P' E4 Q! U7 Y! M
- onClose(event);
5 Z3 ]/ s& X1 D& M0 f w& Q - }
$ ] u/ R' O* c" w( | _' C" ` - - }% ]- f. D7 @8 m0 s. s: R
- //关闭监听websocket
& v5 w' h9 I( U) @ - function onError(event){1 l% I4 \: E: S" g; R8 }5 l
- document.getElementById("msg").innerHTML = "<p>close</p>";; E5 R# F% a8 h0 I4 W% Z5 g
- console.log("error"+event.data);
( g/ E# Q( o+ W% b& @ - };
1 H6 D" J# C1 a" {- @. d/ Z4 l -
! p8 d/ x( _: G - function onOpen(event){7 a/ u1 d9 `5 i8 ]0 U: H9 O
- console.log("open:"+sockState());
& {/ r% d+ j2 K, L - document.getElementById("msg").innerHTML = "<p>Connect to Service</p>";1 N& ]5 K1 V3 T1 f, j7 t6 s# A( U7 o
- };
" ^6 P6 W- E% H5 y$ a" L3 j) t - function onMessage(event){
! s8 y; M; b! \5 C8 E( m - console.log("onMessage");
1 Q7 c) C( o# l! [ - document.getElementById("msg").innerHTML += "<p>response:"+event.data+"</p>"1 l( S. E" L5 H2 B5 e) ^, q r6 l
- };
' T: a+ k7 Y! w2 r% v1 m3 R2 q7 m - 9 D: g! f+ B+ c+ _5 J
- function onClose(event){1 u( f. _& i) h3 m2 y# ^
- document.getElementById("msg").innerHTML = "<p>close</p>";2 X. T+ ~) i0 n& L
- console.log("close:"+sockState());- v. N" J% U+ G5 D# {
- webSocket.close();" O! v) w! o: P* t3 Y& J
- }& A3 e. I/ N% G# L
-
& U% L2 P( ?+ Y; h - function sockState(){) L2 e; x* j! 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'];, |3 Q( b7 [# a5 A
- return status[webSocket.readyState];1 z2 A% z& i; |( M: |' {& @) [
- }
7 z$ F9 Z& i; Y6 u3 T/ k5 Q& F. ^8 G - ) A! K: B3 c% Y( C, a0 Z' F
- ; R8 Z9 R- ]& _* R; Z
-
/ s- G4 o( s2 k' K1 ]1 U5 m - function start(event){( y7 c9 o, x7 Z4 w
- console.log(webSocket);4 c! F3 Q: {* ~# B D3 O4 i
- var msg = document.getElementById('text').value;
* v+ H& m( B# ]$ m# s3 p - document.getElementById('text').value = '';( ]. l% V& o" b- O) ?
- console.log("send:"+sockState());% \8 z+ y: W) s7 {/ l+ s5 P+ L
- console.log("msg="+msg);
& }) Y8 Q2 {$ `; o0 a - webSocket.send("msg="+msg);
1 c- O8 s# K7 r1 P* m; J$ a0 b9 N - document.getElementById("msg").innerHTML += "<p>request"+msg+"</p>") f! S! r) B8 j
- };# [ y7 L2 @* ~
- ) D5 \; n/ L3 p7 j" |( b
- function close(event){/ V9 U1 s8 }$ w: B
- webSocket.close();' m* m) B% P1 A* k
- }
9 F2 H3 z6 l, B# ]. s$ E - </script>
, {2 l& ]2 L! J4 y - </body>
3 x5 ~9 n" e, x x; t - </html>
复制代码
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