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php实现websocket实时消息推送+ L. s% H0 R- @ f
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7 O1 ?* w, N- E1 aSocketService.php
6 p3 n0 p( Z) T% b# M% G- <?php# T3 d/ r" U5 W' M0 P
- /**
, t2 Q: Y4 ?. S8 [( u - * Created by xwx9 D( j; K* [& d' v" Y
- * Date: 2017/10/18- L2 ]; I8 H2 z$ [5 g! t: r
- * Time: 14:330 |2 s% I" {# h- d0 f1 B
- */
4 I4 \ @$ J8 J- W' ~% h5 B5 h -
6 K* j) z1 U4 M% @$ a - class SocketService% }0 _0 L; m/ J# s# Q
- {
" Q7 r8 e8 Z! P4 m6 s - private $address = '0.0.0.0';/ L+ m7 F- L, |8 n
- private $port = 8083;: \! V0 o3 o5 l
- private $_sockets;
$ i' w' i1 `! s6 r - public function __construct($address = '', $port='')
% ~5 l, n4 F% K1 W4 ]+ L - {
6 c" b( u5 t0 E - if(!empty($address)){
3 r% D2 V& X/ z& j) n* K( \ - $this->address = $address;6 Y! B T0 |! i% P% N: l, o
- }
$ H4 ~0 D8 h d4 m2 [' i9 b; r: V4 l - if(!empty($port)) {: Y, Z. O8 I8 e
- $this->port = $port;4 y' C1 U/ Y3 I7 U( m
- }) Q3 a& x o$ V$ t& O1 c
- }! x" Q! |) N( A0 A2 L
-
7 l) J, N2 E8 m k0 Z - public function service(){0 X' L3 k) ^& `8 y
- //获取tcp协议号码。
0 C h: y2 y7 J& D+ G - $tcp = getprotobyname("tcp");
; _9 p, i0 W. i; k" U - $sock = socket_create(AF_INET, SOCK_STREAM, $tcp);
, n ^( F% l4 i. v9 o6 }: w* M - socket_set_option($sock, SOL_SOCKET, SO_REUSEADDR, 1);
/ I: {1 W2 u4 j) ~4 p - if($sock < 0)
# N7 E$ Y w1 @' v8 ^# G - {
+ \. k# j! H* _+ c" T" Y# s, Z - throw new Exception("failed to create socket: ".socket_strerror($sock)."\n");0 F9 `' R( r- i, C: z
- }
9 ^( _8 \7 N$ U# f1 ~) _$ i - socket_bind($sock, $this->address, $this->port);
8 p( A2 q7 x( m; m - socket_listen($sock, $this->port); Q' H8 Q8 P3 ~6 W7 T
- echo "listen on $this->address $this->port ... \n";8 `2 j7 ~9 ]3 p& Y2 Y
- $this->_sockets = $sock;
; v6 m# p1 W2 r - }+ r7 y- {3 H4 I( W1 A
-
. ?- f+ [* `+ ~, K9 G- U - public function run(){
$ @' D, V/ i* w! [ - $this->service();8 `) L1 Q% k Q! {. O" a
- $clients[] = $this->_sockets;9 z& ^! L2 ?. |: g
- while (true){- k5 n& n! c: p( n4 z0 L; o" Z
- $changes = $clients;7 O' s! K' x1 N9 {! a& y
- $write = NULL;
O V. u' h' Q8 ^' A - $except = NULL;/ Z$ B0 Q3 m7 K/ h/ V
- socket_select($changes, $write, $except, NULL);; z0 t! K7 w. N$ Q! [# r; u
- foreach ($changes as $key => $_sock){
, x! L. {& b/ E5 P+ \' F) M - if($this->_sockets == $_sock){ //判断是不是新接入的socket' \1 [ g# E3 P8 X5 P" ?2 m& `% M
- if(($newClient = socket_accept($_sock)) === false){; B K: R, {0 R5 r
- die('failed to accept socket: '.socket_strerror($_sock)."\n");" b+ G' n) }0 e u ?5 \
- }4 x1 }/ m( X: N# {' |1 H' K: E
- $line = trim(socket_read($newClient, 1024));
7 P0 j4 y! L D3 M1 d, m/ Y# f4 G/ o - $this->handshaking($newClient, $line);
" r: {) `0 b; G. {8 j- V - //获取client ip# U& _5 x( S- ?$ B0 K
- socket_getpeername ($newClient, $ip);3 S; i6 L& w3 y( G" u4 R
- $clients[$ip] = $newClient;
2 |: k0 ~+ T: A1 w' h - echo "Client ip:{$ip} \n";6 u7 ]% i2 M$ v) Q+ G1 N, E
- echo "Client msg:{$line} \n";
, C2 {6 a, _2 ~" W - } else {
, U7 Y" I' w, A3 f& D - socket_recv($_sock, $buffer, 2048, 0);$ v3 r5 n1 h/ f& r+ x
- $msg = $this->message($buffer);
- y$ C0 u! G3 p8 J$ R9 _ - //在这里业务代码
: z9 E; t% O5 ]( G - echo "{$key} clinet msg:",$msg,"\n";
- m6 o n, x* W* M, T/ y - fwrite(STDOUT, 'Please input a argument:');* K: c2 G' J9 U' b0 f+ X$ v, w
- $response = trim(fgets(STDIN));
) F' ~; R# u# T2 H - $this->send($_sock, $response);
, u& h+ e, W0 \9 L, O9 S! O3 n- E5 q - echo "{$key} response to Client:".$response,"\n";& I, h1 @# K- N" Q) j
- }9 I @0 o/ x/ g" d
- }
8 A+ N# {) G4 ~" w" a( |( [ - }5 ^: v6 g+ U( \
- }
4 X# ~; q4 k4 Q+ r% U3 V -
* G1 J* v! N( M; B1 I) v5 s7 q - /**
+ e3 w3 B2 M) q( O, k - * 握手处理: L6 Y; d( b4 W$ N9 n1 f
- * @param $newClient socket. {% [* C4 ? d Z! ]4 ]
- * @return int 接收到的信息/ |5 V9 N) y+ s0 _
- */
5 P/ f" _# \ m - public function handshaking($newClient, $line){
! E8 v1 U) A, G8 P2 k -
5 Z" F6 r0 J& p - $headers = array();
: Z' J/ _* Q, N2 Z6 A3 z - $lines = preg_split("/\r\n/", $line);8 r+ r0 x; T" k, P9 n1 B
- foreach($lines as $line)4 i' P; @( \* Q) c! H2 ~: b8 d
- {
# \9 _! x5 c* w {9 h& _) J - $line = chop($line);
K# c( W( j& \. H; v' ]9 J; Z - if(preg_match('/\A(\S+): (.*)\z/', $line, $matches))
& J9 r7 E$ {4 M. f; d+ w3 g+ r v - {
A: H- M7 I- Y - $headers[$matches[1]] = $matches[2];9 m8 D I0 m- g! T; N" ^9 `" t
- }/ F$ q$ z# Z% s: s6 `
- }% c+ Q; F+ J; H* |
- $secKey = $headers['Sec-WebSocket-Key'];
0 [5 \3 Q9 b! o# M1 X - $secAccept = base64_encode(pack('H*', sha1($secKey . '258EAFA5-E914-47DA-95CA-C5AB0DC85B11')));
+ s/ b7 c& s' J5 f7 v - $upgrade = "HTTP/1.1 101 Web Socket Protocol Handshake\r\n" .
# j$ s& w, ~ j, b5 j - "Upgrade: websocket\r\n" .+ }9 H- L, S. N
- "Connection: Upgrade\r\n" .+ I0 x# |% J k! D
- "WebSocket-Origin: $this->address\r\n" .
' g# K) F5 |7 L: a. ?& O0 W - "WebSocket-Location: ws://$this->address:$this->port/websocket/websocket\r\n".1 S0 \, ?8 ?& x- {- | i
- "Sec-WebSocket-Accept:$secAccept\r\n\r\n";
; t6 I9 [" K3 |# p2 d - return socket_write($newClient, $upgrade, strlen($upgrade));
) \1 B2 v' e2 H7 k - }( g# c* T! Y- b. f
- 3 K5 q+ d4 ?5 z; @4 [1 a/ a8 {
- /*** E" F0 C! H: X# v7 x
- * 解析接收数据
% d$ x. K0 d! t2 Y6 l. i - * @param $buffer
! G" w+ W( i) Q0 z9 D) @( U - * @return null|string
0 {5 O3 G) G/ h# O3 U: C, v4 A - */
; a4 w% ~7 y2 l - public function message($buffer){
, J: _ a4 Z7 t; r. B - $len = $masks = $data = $decoded = null;
: Q4 A8 ^/ B1 F# k' e4 v - $len = ord($buffer[1]) & 127;# x6 C; D, V- A# k3 d2 l% w( z3 J8 n
- if ($len === 126) {& ~$ a& H. ]' K" W" } t# g8 A* r, A
- $masks = substr($buffer, 4, 4);$ T# O F' D: I; X$ H* }
- $data = substr($buffer, 8);' I x( U# n0 V% w$ u' g# v
- } else if ($len === 127) {
X+ g8 Y! T K$ B) R - $masks = substr($buffer, 10, 4);
; H4 v! ~9 F) }& t - $data = substr($buffer, 14);9 k8 i A p( I5 D% [) ~; S8 ^- u
- } else {
, x! Q- D, Y+ f5 L1 | - $masks = substr($buffer, 2, 4);
w" p0 m: R6 T# R - $data = substr($buffer, 6);6 A' s# s8 s3 A4 l6 P6 _+ i2 k8 s
- }
" Z7 o! T( a) q6 s7 ?8 S# r$ r - for ($index = 0; $index < strlen($data); $index++) {
% ]1 ^" f8 H$ W! @5 R) J. N - $decoded .= $data[$index] ^ $masks[$index % 4];
$ u0 [' ^7 h: S - }0 E! z7 L1 t. @; H/ V8 O8 U
- return $decoded;& {, o% e& _7 f. x. S
- }: K$ `, y! Q5 k' ?4 t1 t
- 2 o$ K5 C' m) ^* m9 _; z
- /**
; f g( G1 X; H$ A. k - * 发送数据+ M- Z( ?: h5 g
- * @param $newClinet 新接入的socket
+ x: T) i* \) S+ c7 e0 z! @* z - * @param $msg 要发送的数据
% |; x, {7 }: g O4 K - * @return int|string: q4 S8 }! B: A- T4 ~( R
- */, D# s# R- |( [ v( U
- public function send($newClinet, $msg){6 l8 V" F: J/ \, t( f' t* W4 E& t
- $msg = $this->frame($msg); m1 b. m9 { J4 U
- socket_write($newClinet, $msg, strlen($msg));; ] W- b7 C- z w
- }# n4 g8 k. @0 r6 I
-
: L4 M1 N3 a V% ]+ |- P/ u5 o% K - public function frame($s) {2 Z: Q6 o1 O" h! y# a6 k0 m
- $a = str_split($s, 125);9 g; c) T; i, E. f' w
- if (count($a) == 1) {; _4 s& P" ?% A( \
- return "\x81" . chr(strlen($a[0])) . $a[0];
* |* T# N' \* L$ X T - }
6 S3 _5 @1 S K" C3 S: p0 H' P - $ns = "";: B; L Y' S$ e9 G
- foreach ($a as $o) {
" r7 a x" a, f+ U, A9 V - $ns .= "\x81" . chr(strlen($o)) . $o;
4 `6 B5 y% ^0 t8 ? `4 w+ ~ T/ l - }
; ?8 s" D( ^- |5 M - return $ns;
1 j1 i7 _. O- ^ - }) F. @7 i' U$ y9 ^0 m% y
-
1 D: N$ j5 N4 \1 @ - /**
6 o, z2 c5 t# u* H4 {0 s - * 关闭socket9 R& j' \: w h
- */+ X, \ T" f, N* a( F* M) n; I8 r
- public function close(){9 Q/ r0 J9 [, F8 u4 Z& o
- return socket_close($this->_sockets);' A, s8 l3 g- P" s- F$ M
- }
" k, _0 J& p2 ?+ w# J' d, @ - }* R# [# S" h: z7 |" d# ~7 Q
- 0 U6 W+ F0 |. R U! Y
- $sock = new SocketService();
; F8 Z7 C i% p3 ] - $sock->run();
- |% E* ~% a8 \8 r - 9 x; T: a0 _, E2 B
复制代码 web.html
& b0 ^3 Q% `9 K0 e, q1 E+ n- <!doctype html>
3 T* X6 j& ]! G - <html lang="en">3 P7 r% }' a' a9 w5 S. B( v/ S, x
- <head>
( g, G: |1 A ~2 G: h+ D' s - <meta charset="UTF-8">
* S8 f4 w r4 T - <meta name="viewport" content="width=device-width,initial-scale=1, maximum-scale=1, user-scalable=no">
}- t! @5 x- M' |0 W3 \ - <title>websocket</title>
: N1 C! S( x& N0 F2 ~% T - </head>- D, n( ]" Z; A8 g. _
- <body>
3 t4 {& s( V* t# { - <input id="text" value="">3 A+ x( Q/ u. t* Z
- <input type="submit" value="send" onclick="start()">4 v) E. a$ K! U* b" o% l) |
- <input type="submit" value="close" onclick="close()">
" e# ^: I, [) c* I8 k - <div id="msg"></div>
) b( u! I8 N5 T# B& V2 Z - <script>
' H/ f8 t1 f0 A$ C& N/ ?2 ]7 ~% t% l - /**
% s' l$ K; H* r E - 0:未连接) C" F) \+ i0 s& o8 s
- 1:连接成功,可通讯
$ ~1 U! c) H7 n0 Q+ I9 b" i - 2:正在关闭- O8 ~4 a+ w' g& s8 u
- 3:连接已关闭或无法打开
) c) S6 m( W, e: h% n0 ~, Q - */
0 s4 Y0 Q2 E) L# A -
+ X8 s! |* o4 K, ?9 L - //创建一个webSocket 实例
6 r, H" ] N% s+ n! q1 B - var webSocket = new WebSocket("ws://192.168.31.152:8083");
; A0 h+ ?6 t0 L4 o- G1 ^" w$ v - ! }% }/ Z! h& _; k
- $ M D! u6 m- \0 H. v- x- w
- webSocket.onerror = function (event){0 E1 }& e/ [' n U& M
- onError(event);" b0 }! C$ _! h1 C+ X1 Q
- };
2 u. d$ c& s; @/ e0 D: G3 T -
5 \0 g, j9 |, d! s& f. H) i) E. H i5 N - // 打开websocket3 C. @2 @8 m8 R) Y% b% h" ?4 t( K+ G
- webSocket.onopen = function (event){
: }. b/ U L5 q3 g3 S. q- r - onOpen(event);1 @" b7 m4 p$ \& R' w8 w
- };! b# R% [ b* n
- y, R; t: |* }/ f1 I+ g
- //监听消息
3 ? `, _& _- b) D( P - webSocket.onmessage = function (event){
. W5 t8 \ r4 P$ l - onMessage(event);
/ y8 S0 z' H, M% ~& m - };
4 t7 n1 s: J) e5 ]* @ -
) v) ]# u, Q2 x& }( L& w5 a" V - 6 N5 \% J* _& O! y
- webSocket.onclose = function (event){
/ i* K* b- r6 l: ?. {7 v3 b; ] - onClose(event);
; b$ o2 S! w9 l* d0 g - }$ w Z- _0 o7 f- {/ Z5 a2 {
- 1 n2 X$ ^( A! m* `( _$ b" X0 q: f
- //关闭监听websocket
. l( H$ L$ C# Z5 ], t - function onError(event){
+ m: [& I6 E, s# a4 w: A - document.getElementById("msg").innerHTML = "<p>close</p>";
2 x# B; @2 i; M - console.log("error"+event.data);
% i5 p3 f0 j; v, f+ Z7 R- n - };7 \5 q; E% f; R' Z; r, X. r. c* U6 D
-
3 Y4 O8 P* Y. y/ }6 V0 R" V* Y - function onOpen(event){: s3 l* B1 H9 o) X3 H; Y0 l
- console.log("open:"+sockState());
% k3 R* b0 v. t& l& S - document.getElementById("msg").innerHTML = "<p>Connect to Service</p>";
* N, J0 f+ s5 h2 O - };8 Q& ?! M; b7 A0 \
- function onMessage(event){
3 A& l) F% X; M F b4 n - console.log("onMessage");0 M" l7 N& `$ v6 _2 H9 d9 G% I( ?
- document.getElementById("msg").innerHTML += "<p>response:"+event.data+"</p>"
7 V1 v1 V6 J2 m+ a) |9 c - };
, A/ y, D. k4 ?( Q# K6 L -
5 h6 S& S; X- Q - function onClose(event){
" q3 R- M: `2 W7 a& Y - document.getElementById("msg").innerHTML = "<p>close</p>";
; N3 Z9 c# u2 ^% e - console.log("close:"+sockState());
. Z# s5 W" p! g5 [" \! X) x - webSocket.close();! X o2 y8 d1 _, n. o3 u" s& `
- }& {7 E. U7 Q2 Y5 V# b
-
- a( ?) @% n3 z# P+ P) T - function sockState(){( i4 a- L& E6 w- i' c9 o
- 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'];
6 f4 `% }+ P0 H+ o" ~4 h: l: } - return status[webSocket.readyState];
$ c, u$ }3 G0 C9 a - }
+ E3 T' Q+ |. i Q2 L( L9 O -
`( w/ ~- y0 n. s/ N$ K -
/ }! N# `* R/ C$ Y' m -
- x' m o# o# m; A - function start(event){
) `! {. Z1 q$ M# p( Y% Y4 @ m - console.log(webSocket);% w8 F: }$ [7 C$ c$ H4 j0 n
- var msg = document.getElementById('text').value;
/ S! \( W# k8 j. j8 O* w - document.getElementById('text').value = '';
; _# j+ }( T* a - console.log("send:"+sockState());+ W, q$ y' C; Z0 C+ f! ^6 }3 S( Y! L
- console.log("msg="+msg);
' Z4 x7 M+ W% s. c& g& _ - webSocket.send("msg="+msg);4 P/ Y* e2 k: }. C0 H4 k9 Q
- document.getElementById("msg").innerHTML += "<p>request"+msg+"</p>"( g5 m& N( W* |; ~/ j4 {+ G
- };4 e7 z/ _6 s/ _. C6 \' X
-
( @/ G+ @5 O% M. t& W3 I - function close(event){
& X. L5 E8 X0 B" ~+ l - webSocket.close();
$ w% F T6 S! K3 T/ g3 l - }0 y @4 Y" o8 q) n+ y+ Q
- </script>3 g1 ~0 n* f( ]; |# q S* i
- </body>( o ?/ ]/ W0 _% b6 [" M1 l
- </html>
复制代码
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