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php实现websocket实时消息推送# }" A; `2 J* ?& X. _
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SocketService.php" L# U( j. S8 ^' b9 m* Q( k
- <?php- j9 v( S3 y/ `; p
- /**
9 E0 U; i* P2 H" `4 J/ t - * Created by xwx
* H. h; C! K! H$ l/ _- m7 X - * Date: 2017/10/18# k7 x0 e; e" g" [& D
- * Time: 14:335 g% B6 q& N% E2 D+ J; Z
- */# Z7 Z7 p7 A7 [% W) `/ I
-
: ~# P; W* t2 M: |, a, x! u0 P* _) v - class SocketService, t, _! N0 ^( \9 T7 [! i0 O
- {2 ^, B# @/ Q2 C. t% S. |. C
- private $address = '0.0.0.0';
6 }' @* h+ s+ t$ K% D - private $port = 8083;- t+ l7 K) A2 P- f9 `
- private $_sockets;
8 F* @/ `' j: ^* F5 y" L# | - public function __construct($address = '', $port='')
8 h8 c; R3 ]( I U - {2 r, q" n6 B3 }
- if(!empty($address)){
! i4 R& J" O4 p4 o* O( U: Z. ], Z0 b ]9 @ - $this->address = $address;
, q9 m( Y7 D4 z. i - }
) ^2 Y `. k' e6 W- x - if(!empty($port)) {
% N! t) z2 S) _; I8 P1 O5 V - $this->port = $port; [( N3 i% ~2 z3 T; o- q' U
- }
1 B; P$ v( B7 `9 n& F0 z - }
; A ?9 I& O; ^: a/ W$ m7 j -
3 ?: R; ~- g% g% [! A! w8 U/ u - public function service(){. p! u5 x) R3 M X; z/ w
- //获取tcp协议号码。
2 v& k( \' w, ~$ U' w* K; n5 m) T - $tcp = getprotobyname("tcp");
0 v# l. O3 t) i - $sock = socket_create(AF_INET, SOCK_STREAM, $tcp);& s% ?0 f+ ?9 l8 Y0 T1 M
- socket_set_option($sock, SOL_SOCKET, SO_REUSEADDR, 1);; k; R o2 `# t0 o6 q! I
- if($sock < 0)
& a7 _6 k! h9 f2 e! H* G3 \3 e2 i6 S - {- @& i" d6 o. z! z- v3 X& X9 g
- throw new Exception("failed to create socket: ".socket_strerror($sock)."\n");
) l! ~$ p* Z8 Q& S" g+ K% x/ ?7 Q - }
9 [+ M5 [2 H: D$ v6 X - socket_bind($sock, $this->address, $this->port);
+ x+ o' g m8 X1 J% y; T; ]! h5 Y - socket_listen($sock, $this->port);
- s' {8 z n, x7 N/ D2 ^ - echo "listen on $this->address $this->port ... \n";
) z& p" w5 B' _* J2 {0 g - $this->_sockets = $sock;
, f' K" O* v4 K. F6 y - }2 Y% t, ^5 x) `' R! ?7 d
-
% [6 d& q$ V$ L! X: R$ \) u4 C8 u9 @ - public function run(){
' Z: w/ M7 ^/ @) o - $this->service();
, P, }5 h# c" m& U/ G - $clients[] = $this->_sockets;
4 ~$ Q5 E, u# R# w( ] - while (true){
k" a' q+ G0 f$ c5 y* ]! H - $changes = $clients;
9 y) v! W/ i( b - $write = NULL;6 E5 m! H+ k0 ]9 h I
- $except = NULL;0 {9 X/ B2 l; c. V- S4 O% H
- socket_select($changes, $write, $except, NULL);3 R- b3 [1 c& H" r
- foreach ($changes as $key => $_sock){' A9 l. H2 E& m* M4 D
- if($this->_sockets == $_sock){ //判断是不是新接入的socket! O4 S D# ~; c6 [1 L8 @
- if(($newClient = socket_accept($_sock)) === false){, g O& v9 s3 a' H) A7 c) D5 e
- die('failed to accept socket: '.socket_strerror($_sock)."\n");6 a* t ]! T% j
- }
}4 G! I0 `1 r0 W* } T - $line = trim(socket_read($newClient, 1024));0 J9 X: t0 ] n: n/ }0 y% i
- $this->handshaking($newClient, $line);
# U& t/ K- ~) N1 p) ? - //获取client ip
+ ?; @4 N* C6 y+ e+ @7 ]+ Q0 |7 ? y - socket_getpeername ($newClient, $ip);: s) O S% t) v Q) |0 S
- $clients[$ip] = $newClient;
5 E- y6 C4 t. g* c1 p - echo "Client ip:{$ip} \n";7 V2 @2 x7 n) C+ d( R2 ~& {
- echo "Client msg:{$line} \n";
# \6 Q5 \. ?' b8 w7 `( _% ^ - } else {
. R) c( B: k, N' h. c' J3 v - socket_recv($_sock, $buffer, 2048, 0);- g4 L" l* W2 S
- $msg = $this->message($buffer);
/ |7 i# b9 i* w& B - //在这里业务代码/ C2 v6 ~: X$ x4 S! q* o& e
- echo "{$key} clinet msg:",$msg,"\n";
, A+ j* a- ]$ @. b9 M - fwrite(STDOUT, 'Please input a argument:');. {7 g1 c# }# w4 x y3 N
- $response = trim(fgets(STDIN));
# [+ n+ g$ Z& d; M; {$ Q8 C - $this->send($_sock, $response);; K7 g Y e: |' H, h
- echo "{$key} response to Client:".$response,"\n";
$ a' j% _: P: g, E6 _ - }
6 R! U% k6 \/ C- N - }
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- }
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- /**
# S" F/ S; h) \' t: I - * 握手处理
y- P; D/ ^! H, h0 d1 P# J - * @param $newClient socket
& i! j) S1 `$ G5 n0 S% A - * @return int 接收到的信息
# W9 d7 S1 L+ R8 Z+ @) e# o - */
4 N+ z' g! K% p - public function handshaking($newClient, $line){
" L! m- G a8 E# N) E( ^2 ~ - 3 q& C1 X; Q( J2 g6 u! q4 z6 _9 B. e# z
- $headers = array();- l+ S2 G6 x y# D2 j( K
- $lines = preg_split("/\r\n/", $line);
5 q, n6 A% [/ u- p4 e - foreach($lines as $line)6 d, I0 V% ?# x8 ^5 w6 r
- {: |$ G8 T6 x6 G& s0 R4 O$ u
- $line = chop($line);% \- ^# A. p4 K+ M
- if(preg_match('/\A(\S+): (.*)\z/', $line, $matches))- l& i- N$ R: c* s9 |- H, \
- {
9 w( Q- X2 ]* k4 w- h4 {4 e& b - $headers[$matches[1]] = $matches[2];: {" E, s$ w, G
- } k( a2 P! n" H; V
- }
% W( o( d6 A/ V0 `9 I - $secKey = $headers['Sec-WebSocket-Key'];7 `& g/ ~0 P. |! L7 g' v! c7 h
- $secAccept = base64_encode(pack('H*', sha1($secKey . '258EAFA5-E914-47DA-95CA-C5AB0DC85B11')));
5 c5 }! U3 f" V6 A, W- W - $upgrade = "HTTP/1.1 101 Web Socket Protocol Handshake\r\n" .
0 {) R( E, K1 } - "Upgrade: websocket\r\n" .; W& _4 _! M1 L
- "Connection: Upgrade\r\n" .) M" w1 h0 ~- U; F! k9 e q) t3 g
- "WebSocket-Origin: $this->address\r\n" .
$ }; J$ F6 h# e1 q6 V5 F7 W+ M - "WebSocket-Location: ws://$this->address:$this->port/websocket/websocket\r\n".
: T0 n- H6 x! E: r2 {5 Q - "Sec-WebSocket-Accept:$secAccept\r\n\r\n";
B3 F$ i/ x O, O' v) a( |/ m' X - return socket_write($newClient, $upgrade, strlen($upgrade));% a' t3 ^* |& b h8 G. O" }) R5 h
- }+ q4 T9 l7 k& Z
-
1 f. `- L; f& @: i6 A1 ` - /**9 [ }( \/ u' v( P2 q
- * 解析接收数据
u9 ^" ]6 {% @% Z - * @param $buffer
$ I/ M8 p8 E0 ~! j+ G+ ?' f/ n - * @return null|string
5 v0 E! v0 u2 u, _ - */
: H$ }/ y" Y3 {9 W& @ - public function message($buffer){
3 _7 T! L" s$ l - $len = $masks = $data = $decoded = null;% ^/ q" U3 d% @# h4 i5 v
- $len = ord($buffer[1]) & 127;
1 i" C- ?4 y" G, J( ]" ]( e( I X - if ($len === 126) {
6 h, w, I- q9 a6 c" H - $masks = substr($buffer, 4, 4);3 F/ o7 M. L0 s! r% S
- $data = substr($buffer, 8);
0 M1 |2 |: B7 c- k: k/ L e - } else if ($len === 127) {
; {+ E' Q' F& ~4 R - $masks = substr($buffer, 10, 4);
, c( X- o: P. ` - $data = substr($buffer, 14);( w& n& N, [5 q; l3 [" l6 R3 Y
- } else {
; `2 l$ Z1 z- ?0 L3 Z3 Y* N - $masks = substr($buffer, 2, 4);
! \( q. ?4 F. I/ T: |. j - $data = substr($buffer, 6);0 t: U! P, w; a2 q, }
- }. o4 g8 I/ G- m
- for ($index = 0; $index < strlen($data); $index++) {7 D" a2 g+ T3 I( I
- $decoded .= $data[$index] ^ $masks[$index % 4];
$ ?' h, Y$ M# \! ~0 [& f - }
" D E M: ~9 P7 V' L - return $decoded;) N9 y, q1 L& ^* n+ V. D
- }
8 G7 t, B, J; c0 ]- ?% H- l - K) s) Z# D6 [
- /**
I' d2 w# S: [# J7 A- M( f - * 发送数据5 w2 S/ b5 f. G' F5 j
- * @param $newClinet 新接入的socket7 b6 m* H- c- Q5 `, K
- * @param $msg 要发送的数据
; C8 j- `7 S e/ U) l+ l7 H - * @return int|string3 J8 N. z7 q, F0 |6 I* W" R
- */! q7 U7 {3 A& |. q/ a6 D1 a5 d1 k
- public function send($newClinet, $msg){+ K# A; N! V7 P+ y" R5 r+ a$ e8 |; [
- $msg = $this->frame($msg);
; x' ]# y/ o. L$ I9 L - socket_write($newClinet, $msg, strlen($msg));5 v3 _( d7 N1 g* l
- }
: h# e+ e3 c8 { - : [3 x! G B( N* H- M* m
- public function frame($s) {2 h* @. h7 M/ w. b$ E2 P# M9 z
- $a = str_split($s, 125);
. a; }& p! m/ u. v# G - if (count($a) == 1) {( F' \% M7 b! b- T `0 ]
- return "\x81" . chr(strlen($a[0])) . $a[0];! B4 P3 \7 s8 W9 C" s
- }) T! ^! H3 b$ g" ~! y6 R8 _7 w
- $ns = "";
' g9 f! d6 R" D: A. G; ^/ A - foreach ($a as $o) {: l3 f6 M3 ]; x5 u, [0 j; W. @
- $ns .= "\x81" . chr(strlen($o)) . $o;
0 E! ] i" q3 M& X: ?. s. ] - }( _- `5 Q2 {6 \$ I* e4 Q. W5 Z
- return $ns;
& ?5 D& n1 m: h - }" `( ?+ Z2 W8 r+ o9 c! v8 U& f2 R7 X
-
^4 H9 o' k( m0 S9 Y+ K' U5 o0 i - /*** }% y% l( |9 l& d
- * 关闭socket' V+ T0 ?- G2 I. x% P, o1 r1 t# w
- */
- g7 _6 ]3 Y) l+ o; I - public function close(){/ w6 ?/ j Z8 s! R8 t) \7 b
- return socket_close($this->_sockets);% I4 X5 m. e! |* m- b6 {3 _
- }
& |; M( c) @; `$ x7 Z& f, m5 H/ p - }
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- $sock = new SocketService();
) L8 O( ?9 k( q, a - $sock->run();
" M0 I: P) {4 U% k( ?6 X
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复制代码 web.html, R) h$ }2 U9 g1 ^2 f# h5 t! \
- <!doctype html>3 @; N% }" J( A) F% U* M
- <html lang="en">
* H4 @3 x6 X0 C5 Y6 d" @& [9 N - <head>0 E: K6 r0 U1 m7 t( r& j6 n
- <meta charset="UTF-8">
8 {" T u$ U: J$ o" ] - <meta name="viewport" content="width=device-width,initial-scale=1, maximum-scale=1, user-scalable=no">; j4 g0 p: K7 }" K
- <title>websocket</title>
; V; U5 C6 ^6 D$ L - </head>4 X' v; }* Q/ I- u! r1 R$ M4 [
- <body>
9 ^+ V `* q, y. k- U" ~6 c+ b - <input id="text" value="">
- j. `7 L8 m6 z" a - <input type="submit" value="send" onclick="start()">
& j6 m0 S/ x" g6 V - <input type="submit" value="close" onclick="close()">, k+ l# B" G ?& H* Q4 k0 R! H0 h: V. n
- <div id="msg"></div>/ M' O' V8 Z/ `9 |
- <script>
8 K q2 o8 b& ]1 M, y! P2 D! P - /**
6 d( C w5 ~5 R1 ?! O - 0:未连接+ C4 B( L, K% N* T
- 1:连接成功,可通讯! a( ?! t& D* n5 q- B
- 2:正在关闭
5 x% s$ K3 p/ V - 3:连接已关闭或无法打开
4 ]7 k+ E1 F) U8 I% n - */
6 M3 I* {" X7 m8 \) x2 P5 r |: J -
' o `- ]1 g& [4 W9 o# u - //创建一个webSocket 实例5 Z8 e, k1 Y; y& J, t( @
- var webSocket = new WebSocket("ws://192.168.31.152:8083");5 e$ W d, t- g% f {
- ! L8 w9 ?$ t+ v
- # v- R- I- d$ {
- webSocket.onerror = function (event){
, x" n, C: b" Q8 `4 C - onError(event);
5 U! \5 G" ^3 ?) {9 R* W - };
s: y% h1 ]! ?, ~ -
" E' S5 ? {- D: g% c! v - // 打开websocket
; g7 X! }/ u& d) `& j6 K - webSocket.onopen = function (event){
$ a0 T5 v7 u9 B8 | - onOpen(event);& P' E$ F& d4 Y" d! y6 C
- };. T9 D$ V6 C1 `% a: t5 n
-
; I' P" r0 x2 J5 X4 `4 u0 Z& ]- ` - //监听消息" O" [' r l- Z1 X$ s6 X' _
- webSocket.onmessage = function (event){: J0 d' W- O) s; @( ?
- onMessage(event);8 L0 k: g/ Q, j& m; S# u/ l9 \ t
- };7 b: F, _. t" ^: j; X+ d% B6 c
-
3 i4 y P: h2 z! {! \ -
" l- t( ^; \ G1 y4 ~0 M - webSocket.onclose = function (event){
* ~4 c6 A( n3 F. y) f8 S8 P9 k) J+ z( x - onClose(event);
X, w% n5 Y2 A- A9 a8 p - }
% u/ o2 O4 X: ^7 |4 i6 b - $ N9 Z6 }% C( B( R
- //关闭监听websocket
8 T0 Q! w( y \0 R - function onError(event){4 k3 b" H% [5 j+ x
- document.getElementById("msg").innerHTML = "<p>close</p>";
6 c8 T- V! L; n4 H/ z7 w0 ?4 c - console.log("error"+event.data);/ U5 y6 u1 \0 P6 p0 T/ {( x9 u
- };
4 L0 f5 d) y. G( s, o5 ? - ! \6 K# ]5 e/ y( ?
- function onOpen(event){
' x7 |3 V" S& u- Z2 V9 } - console.log("open:"+sockState());
4 @' N' M/ X' i" b; z R6 T - document.getElementById("msg").innerHTML = "<p>Connect to Service</p>";+ J1 ^: w( C: M2 s7 |
- };
$ B' O! s8 r/ D7 C - function onMessage(event){
% ^# q% s* w( x9 M8 J6 C* W - console.log("onMessage");1 \# q( X% a) w5 i! z. x& M& V
- document.getElementById("msg").innerHTML += "<p>response:"+event.data+"</p>"2 w- k0 N$ e2 R
- };
2 t+ y$ O) r' o5 b" S+ D - % X+ x8 D9 J0 L6 V
- function onClose(event){0 j1 v4 w+ V# Z" I/ l ]+ h3 A
- document.getElementById("msg").innerHTML = "<p>close</p>";
5 B5 Z! _6 U( u6 G: `) _1 Q4 J - console.log("close:"+sockState());" L7 u& J1 d( b( ~
- webSocket.close();6 ]" ]; l0 V e* r- K, Z2 }: o- K
- }
3 e; {$ K' Q( s8 s( ] - $ d+ u7 @. l" `
- function sockState(){
$ G# H2 d" a3 z. f1 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'];3 S0 J5 Z V2 s6 I' t4 K% w% A
- return status[webSocket.readyState];
5 E0 R, {6 Y& r/ n9 a - }/ \; ~* ?+ {, j/ H
- : L2 H+ `% }$ b1 ^/ j4 @/ ~
- : }# ~+ F% y5 z3 I! `
- / H$ O4 @) d, X' c3 z4 L7 b
- function start(event){
5 l/ `( }4 B0 F8 o6 s3 n - console.log(webSocket);8 D* A. U0 V7 J
- var msg = document.getElementById('text').value;
4 ^! ~) l/ y8 f/ s3 v, v - document.getElementById('text').value = '';4 c c# ]( J1 x3 M2 H+ W
- console.log("send:"+sockState());
2 `& s9 ~$ M* e5 e. m- I" g. U% ^ - console.log("msg="+msg);& u0 E% [$ Y+ b b* J, w3 W1 s
- webSocket.send("msg="+msg);
$ l7 m4 Q& g' H9 O+ [5 A9 u - document.getElementById("msg").innerHTML += "<p>request"+msg+"</p>"
4 i; ]! R4 T) E+ J - };, r* K2 Y4 k [' X! c6 @* f, `3 k
-
1 m/ f4 ~8 o# O+ o" T% |) h; w/ V - function close(event){/ _' I! k0 B- D# {& Q# W w8 m0 v1 p
- webSocket.close();
+ I1 b: U/ C, s, C9 P - }
4 I0 Y( w! |# A - </script>
+ ~1 r, M7 W E6 b+ k* d( C8 ] - </body>2 t2 \# N2 j: `3 c" t; D# e+ ?
- </html>
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