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php实现websocket实时消息推送/ I$ ?9 Q0 |' x8 L, i
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SocketService.php
( l0 f% ?" j6 t- <?php' i* l$ s5 o8 D5 h; r
- /**, `+ g5 M' g* ]# X
- * Created by xwx
: Z; N" j. T6 \ o* w Z/ w3 a - * Date: 2017/10/184 J0 i; v0 O6 @4 b5 Z Q$ q3 S; R
- * Time: 14:33. O' g) z) Z1 s. n0 g5 u8 G" q, M
- */
6 [6 N1 i& [8 y" n0 o. m - 3 ?. ^ V! b3 T4 F x7 g+ {
- class SocketService1 q0 e T: A$ ]- I& n
- {
) k1 H3 K2 C: U: [ - private $address = '0.0.0.0';
! b8 ~+ @. d) ]9 |3 Q( Z W - private $port = 8083;9 s$ s: W# q9 ~
- private $_sockets;1 C5 U6 e& K, D
- public function __construct($address = '', $port=''); U' s- u2 K0 Y
- {
( f D; N* `& g# C% _ - if(!empty($address)){; }' Z. M. p! q/ z- b) x' A. h3 G
- $this->address = $address;
8 p& K: n4 ]* @ - }4 E T" Y2 w/ [0 e4 g) p
- if(!empty($port)) {
7 W, R, g$ i1 X/ t" V: m - $this->port = $port;
; O$ H; a3 r* d1 G+ { - }
' v3 S0 n, C* u! ` - }# [% T9 \7 Q/ ~; [0 K6 m
-
! B$ w" E# a' B1 ]$ d7 d - public function service(){4 W; d! n4 |8 `! P, q5 P& ^
- //获取tcp协议号码。
8 x2 U. f# ]: v1 O# F, O( R. x - $tcp = getprotobyname("tcp");
! p0 i) I1 f# U! z4 h9 i3 o& } - $sock = socket_create(AF_INET, SOCK_STREAM, $tcp);, J, x; T7 r; L7 F" R
- socket_set_option($sock, SOL_SOCKET, SO_REUSEADDR, 1);
! o8 s7 k: {8 O( s& U k$ Q2 O - if($sock < 0). C% [# B/ C9 J, \1 d9 ]* S* o
- {
7 u" ~$ l7 X+ f" m3 N - throw new Exception("failed to create socket: ".socket_strerror($sock)."\n");1 W5 ]7 Z. Y* ~ H, {
- }
. Y# |! d- l6 T - socket_bind($sock, $this->address, $this->port);8 J1 h/ Y" K5 F' e; ^. z
- socket_listen($sock, $this->port);
1 W4 y& |% D0 ~, l - echo "listen on $this->address $this->port ... \n";; ^% e" T" o8 v; b, a8 G
- $this->_sockets = $sock;: V( w* p6 ^% X' Y1 _0 G
- }/ N" R# F5 @3 s; H9 I) M
- # p+ N% u' W; D$ d0 ?' E
- public function run(){
) K4 M: f/ |5 _/ d9 n - $this->service();0 x$ t) @5 Y4 m9 K& P" Y
- $clients[] = $this->_sockets;
. Z. Z- L2 F! Y1 G: X. | - while (true){
8 j, h$ W5 R/ M - $changes = $clients;/ T+ @8 ]" Z5 W- U0 e3 V3 u
- $write = NULL;
0 V2 m) ]4 _; u0 `* _ - $except = NULL;- b1 T6 v: n9 P* m
- socket_select($changes, $write, $except, NULL);
3 `/ v, h% C: j% [ - foreach ($changes as $key => $_sock){
' P7 K2 u% W. W3 |7 } - if($this->_sockets == $_sock){ //判断是不是新接入的socket
5 q4 b: U- U1 f% Q - if(($newClient = socket_accept($_sock)) === false){) ]% f+ S/ J( x0 w$ {
- die('failed to accept socket: '.socket_strerror($_sock)."\n");+ q- C6 e( B9 I- ~# X
- }0 T& Q) p4 ?8 {- Q- V" K
- $line = trim(socket_read($newClient, 1024));
3 f9 c# z" c4 S3 B4 R$ K - $this->handshaking($newClient, $line);" B2 F4 q5 l6 ^
- //获取client ip
" O. s) Y D2 D! `$ O0 B - socket_getpeername ($newClient, $ip);
6 L7 P# O# S6 N - $clients[$ip] = $newClient;) s2 F! b" G; ]* Z. V" y
- echo "Client ip:{$ip} \n";. o, i2 W; P" x; J; t
- echo "Client msg:{$line} \n";
# _* t, m0 M8 {0 `' ?2 v' t - } else {0 c8 x& ^0 u; t9 Z6 y# F( r
- socket_recv($_sock, $buffer, 2048, 0);. e6 R4 c0 \7 k
- $msg = $this->message($buffer);1 [4 t' H7 d6 |) T
- //在这里业务代码3 G" b, N" s$ G1 v$ D$ I
- echo "{$key} clinet msg:",$msg,"\n";
+ c! M8 O5 T, D5 W( F9 C - fwrite(STDOUT, 'Please input a argument:');) X9 d! @8 D+ E& @' v/ ^
- $response = trim(fgets(STDIN));
. e" @, N$ S4 h - $this->send($_sock, $response);9 _% L+ |4 k4 E
- echo "{$key} response to Client:".$response,"\n";: f: d, w9 d' n$ m M0 _
- }
j+ ~. E. A' w; C9 O7 t - }
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- , I- `# {) o# N2 R& H
- /**
5 `9 j- A- i; e1 t# b - * 握手处理
! K2 _, O- X# C( Y - * @param $newClient socket8 O* B. e4 B' T4 j" F
- * @return int 接收到的信息# {- Q3 y+ @9 S% h0 E0 b3 e K! t
- */0 o$ H# g3 Q6 d% }& B; Z, L$ q
- public function handshaking($newClient, $line){& Q3 E; M2 ~/ d+ M- K
- 1 h; M7 Y% m4 ~
- $headers = array();$ B* g3 j: V& p. C
- $lines = preg_split("/\r\n/", $line);$ P y, l" _9 I5 [
- foreach($lines as $line)) _) f! H7 Q3 L
- {
1 o* t; M/ W+ W - $line = chop($line);: Z* T! o) D9 S3 C. T
- if(preg_match('/\A(\S+): (.*)\z/', $line, $matches))( e' O+ f* ^% v1 _. U B
- {8 ]2 h+ q3 t$ w
- $headers[$matches[1]] = $matches[2];
+ Q* E. X$ G2 |* U5 y. [ - }( a2 W* y B. F2 N( W
- }
6 A4 C! q4 u1 t0 z1 f/ e3 C - $secKey = $headers['Sec-WebSocket-Key'];
* ~, ?6 j( h; R# g6 J& c( E - $secAccept = base64_encode(pack('H*', sha1($secKey . '258EAFA5-E914-47DA-95CA-C5AB0DC85B11')));
( n/ v( ]( ~8 G4 r - $upgrade = "HTTP/1.1 101 Web Socket Protocol Handshake\r\n" ., j: t. |2 A# @0 R/ |
- "Upgrade: websocket\r\n" .
. o; N2 G0 Q6 o( s9 p' s& ?6 V( E) n - "Connection: Upgrade\r\n" .1 `+ w3 H5 t; i& r( p8 v
- "WebSocket-Origin: $this->address\r\n" .3 {) @. C( S k% H# {1 H A# V
- "WebSocket-Location: ws://$this->address:$this->port/websocket/websocket\r\n".6 c2 ]4 Y9 `, p# S7 ]. U5 C+ ]
- "Sec-WebSocket-Accept:$secAccept\r\n\r\n";
\% z/ r5 P; D+ y5 {6 S' Z' t& j - return socket_write($newClient, $upgrade, strlen($upgrade));
# q+ b. S. b$ n* R: x8 g: @ - }
8 L7 X# @9 i9 h- E% f3 g - ( e7 N' v' m% S$ J6 E n+ \8 D9 V
- /**' Z# Z! y* W5 x3 C/ w% n' g- W
- * 解析接收数据
! M1 E, Q5 ?/ `4 N. H Q* l0 R3 V' R - * @param $buffer) ]# a5 W) t! S: [+ ? v# ?
- * @return null|string8 E. }, J& a. C
- */
; [4 w( r ^) a' f - public function message($buffer){2 p8 S, [3 o6 h" R
- $len = $masks = $data = $decoded = null;; Q1 `5 u% n9 d/ E: h
- $len = ord($buffer[1]) & 127; e. B2 v4 r7 l7 C2 Z' q
- if ($len === 126) {0 ~6 N; D% j& }5 ^
- $masks = substr($buffer, 4, 4);! b' `- N7 H, H; B: e
- $data = substr($buffer, 8);
0 r2 \, J% {1 L. R/ q) ~: z - } else if ($len === 127) {
# } M: a5 A/ Q* { - $masks = substr($buffer, 10, 4); o* G. c% r) R- @. V$ y
- $data = substr($buffer, 14);- V& b* ~ m8 r* |2 c
- } else {
4 Z& Q# o, E X+ J( L - $masks = substr($buffer, 2, 4);
& a4 ^- }7 M/ w. n4 s+ |3 { - $data = substr($buffer, 6);
! b! Q0 @* C$ a+ k, R - }
% r! p9 V z; W, ^4 J2 P8 d5 p T - for ($index = 0; $index < strlen($data); $index++) {' E* w- L0 q3 T3 R- c7 S
- $decoded .= $data[$index] ^ $masks[$index % 4];7 m, H4 ]4 R7 F2 X6 t
- }6 W5 X1 u+ B" p5 g. k; f! X( l
- return $decoded;4 @: h; H* B8 J
- }! x X) t& b$ x, n/ g }9 {
- ' f3 o5 Z% o0 o2 v* c, `
- /**/ ~' S3 |4 s* A, c' X; R m5 S9 t
- * 发送数据5 ?4 ?& r' ~: r8 n
- * @param $newClinet 新接入的socket2 S" Q( V& y' u+ Y+ W, p% G) x' L
- * @param $msg 要发送的数据- A) B8 g2 p- S. m8 I
- * @return int|string
% B8 E- w# H# }; z7 x( N7 P4 z5 h - */
$ G( J# S+ y. V0 F! b* p, @. \! O - public function send($newClinet, $msg){
5 i% e: x0 Q, b8 m - $msg = $this->frame($msg);8 {/ _, ^# }5 Y! i# [$ E, ^
- socket_write($newClinet, $msg, strlen($msg));
- o8 D e4 E! v! h) g4 k/ ], M- W% f - }
0 a# I. V9 n0 {0 { -
0 \4 `1 J8 r/ b: c1 M8 E& C+ d - public function frame($s) {
, t a2 o! R: _* U - $a = str_split($s, 125);
( Q2 R6 E; G: r+ T& T# h+ H0 F0 { - if (count($a) == 1) {! c7 f0 F# e% J0 Z2 a
- return "\x81" . chr(strlen($a[0])) . $a[0];) C0 y8 y( i' e
- }
9 [8 |: R4 q7 r5 k - $ns = "";, J( a# r7 W0 Z) S( a
- foreach ($a as $o) {
5 w1 m n0 m' I- Q1 j( l9 | - $ns .= "\x81" . chr(strlen($o)) . $o;
0 ~ s2 y, W% A - }
" j0 f' ]+ S1 R0 Y - return $ns;
8 ~: x8 }& w) l. L - }0 ~* x6 S7 r* f5 G7 t: ?- B1 A" z) b
- 5 A' e) M, Q. g( F' t; G3 D# e
- /**
6 m" k$ @' Z6 d: `& P7 C4 Q" K - * 关闭socket
' B5 T6 v, X$ y" G7 ]5 f - */
* I( c# i* ~! R8 { - public function close(){
" T0 b# X1 N) \, r - return socket_close($this->_sockets);+ k; e! r4 h# [* X
- }
8 ]& S# K4 h$ i7 O s - }
8 T2 X: p4 L r - 3 [) ^. U; r1 c' F! e
- $sock = new SocketService();+ Y) K; r: g9 N
- $sock->run();
, @: @, O* t: R8 a0 q5 O# e
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复制代码 web.html& }" ~7 @2 @/ n- B( i1 @
- <!doctype html>
6 e% ^. j4 v$ S, T - <html lang="en">
7 g$ q5 i, h. z& x B! g) {9 D - <head>
8 ]- p" x! O) i9 {2 E - <meta charset="UTF-8">4 d4 Z1 x- O1 i; j9 h
- <meta name="viewport" content="width=device-width,initial-scale=1, maximum-scale=1, user-scalable=no">( m$ |, {& k+ y# Z9 F! T
- <title>websocket</title>
6 }+ m, d& H8 ]: X# v, d& ? - </head>
% i, w, u9 x- `+ n' j/ n, B - <body>
. C/ [" ~: E, @$ k# O8 f- E4 p - <input id="text" value="">7 {; o, b4 Y9 z" ?7 A l$ Y5 P) k
- <input type="submit" value="send" onclick="start()">
! [- X }& V4 W3 Z' W - <input type="submit" value="close" onclick="close()">' B" A* }4 |5 ? |/ ?" n- V
- <div id="msg"></div>
( n# p2 y0 |' b+ ?1 f% T - <script>; }: l; I9 R" w$ }$ `( t
- /**
( h8 ?- K2 N" m1 i n1 l - 0:未连接
! E( ]) o7 d. R- b; o: z' [1 v8 K - 1:连接成功,可通讯
/ A9 F# u4 x$ v - 2:正在关闭1 r, q0 z+ K9 d7 f! m
- 3:连接已关闭或无法打开
, `! i% g, l7 u' R2 g% l - */
w2 M' Y& l( f# E, T8 { - 7 S. J \ S, P L/ c
- //创建一个webSocket 实例
" d: V: J% U0 U4 o3 S+ g - var webSocket = new WebSocket("ws://192.168.31.152:8083");- v& u5 F4 u1 b
-
0 q; B# _8 v" I6 u9 i6 \; } - * I, ]. c# H2 L( @9 i: n- }
- webSocket.onerror = function (event){+ T/ G+ O- c ?: N7 o5 _, ?6 s: F! I* P2 b
- onError(event);
! U3 @+ m0 F- m+ @$ N1 b - };% U, I' }+ U, O4 O5 r6 V2 x
- / J( p1 p& i: j
- // 打开websocket" U* d/ ^- Z1 S6 J- S3 i4 Y
- webSocket.onopen = function (event){' i: e) |# z1 n
- onOpen(event);; R+ W! ~! Z+ o5 Q
- };
2 o' q& @( V* X$ s2 Y7 `) |% B - 9 _7 C$ [' D- j0 I
- //监听消息% Y2 H+ D& Z6 D, Q; z) P; J
- webSocket.onmessage = function (event){. J! R% X: U4 e; ^% F$ I! \
- onMessage(event);
7 @' r! x+ T" ?% E" B - };
8 e& R0 m. Y- _0 E& s -
Q+ w4 }7 O0 ^1 b+ R -
+ n& [1 p3 l# E' P7 q$ W - webSocket.onclose = function (event){
0 [4 L9 n6 D4 F6 m1 o - onClose(event);) H% C+ `$ J) j3 g- o
- }
$ y3 a ?; ^% e9 k/ f' ^! H -
. B& _6 p6 ?- E/ {8 f( w7 i - //关闭监听websocket2 Q! Z4 D+ d, J1 r6 D# I2 l; `
- function onError(event){" j! R" G* R, C& P
- document.getElementById("msg").innerHTML = "<p>close</p>";8 g" a' B- }3 ?
- console.log("error"+event.data);
: K& W6 X$ R. i, F6 u( W, R - };( B; {4 R4 p! Y& g) t& T
-
( M: }& s; p# a8 x - function onOpen(event){
4 F0 P) x7 G& F* A. }" X3 G, e - console.log("open:"+sockState());
% {3 u! w' D" N - document.getElementById("msg").innerHTML = "<p>Connect to Service</p>";9 p6 u4 m# X+ S" z p: Q. `
- };
1 a7 Z2 J* a/ v; G8 a0 i$ n* Q1 B/ e - function onMessage(event){
: Z/ b/ t- C/ |/ X p- H& b - console.log("onMessage");5 _6 _$ K# D1 D
- document.getElementById("msg").innerHTML += "<p>response:"+event.data+"</p>". j$ j1 ?* |' j9 D( `" o7 M8 M
- };
: N$ a8 c! s/ l -
# ], _) m& E* v6 ? - function onClose(event){
! Q! }8 ?4 f( `! b - document.getElementById("msg").innerHTML = "<p>close</p>";3 r5 T( q( n2 N, ^2 S9 h
- console.log("close:"+sockState());
2 C6 C5 T$ G$ p - webSocket.close();3 ?8 e; A) r4 v- y# Q+ E* R
- }. E. _9 g6 F, b8 ~
- 7 l. Y1 k% b: F( l; C( s
- function sockState(){; E9 ]& O7 K) w( B
- 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']; ^; a) z* v' Q5 ?
- return status[webSocket.readyState];
! h* `% d X% {3 A5 l- C - }2 O$ [6 O, |2 A* E& T
-
+ ^& P1 W f; Y. D; M# c -
: c4 N0 z3 ]% P4 b -
' T0 H3 T" ?9 S4 F - function start(event){8 h5 }! [. c* y9 a0 l! R C
- console.log(webSocket);
% a, C' X' E, u1 @9 T$ t X* y - var msg = document.getElementById('text').value;3 H; m/ [/ G+ o; P- w
- document.getElementById('text').value = '';- L: g9 O7 H: q" l
- console.log("send:"+sockState());4 o5 O# T* B$ [8 J2 K2 n; ~
- console.log("msg="+msg);
6 S! C1 y0 ]2 V4 Q0 p - webSocket.send("msg="+msg);
& ~" X, W' f" j$ V! j - document.getElementById("msg").innerHTML += "<p>request"+msg+"</p>"
$ h. f$ _/ L' L* Y' H( s, a - };
; M5 S2 ~* a. G - $ V. t& c$ A* ^/ H
- function close(event){
' ^# V0 P3 {6 s- ]9 c - webSocket.close();# Z$ [7 k6 e1 m) f1 b( O |
- }
+ q& B( K' J5 @% V - </script>
, O& l1 n9 H4 D6 o1 ^: Z - </body>
$ k2 o- t# \& w! g+ Z' c - </html>
复制代码
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