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php实现websocket实时消息推送* E0 R0 m: E, x( U
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) ]% J* s* E0 f9 L tSocketService.php& q2 [0 y* H; Z; T2 @
- <?php
) A3 v/ ]5 j8 F# l5 Q' j+ ] - /**1 Y, O+ w6 P& X! N" M
- * Created by xwx
! ~1 p$ r2 t1 z! I - * Date: 2017/10/186 q& P$ z7 [/ `+ K2 O! K
- * Time: 14:330 R& m! z+ l. r, I) X
- */
) E; v$ w& F. U7 \2 D -
( ?! @6 {9 T, X2 T2 i% A - class SocketService( W- _5 j( v: k3 M- u
- {
5 Q; g$ X5 {: M; I+ e" I5 ?6 i$ v( C - private $address = '0.0.0.0';
7 K' Z0 p# g* E3 q! Y: ~( }# o - private $port = 8083;
2 T9 U2 A; u7 O# P2 o3 T, Y - private $_sockets;) Q# a- L/ V% k+ }& s8 r$ e
- public function __construct($address = '', $port='')
2 V5 \0 h! r9 n m1 r5 s2 X) ^% p/ b - {
# {2 z j- Y, ?9 A- a9 a8 k/ } - if(!empty($address)){
- u5 L' R% Q- D7 X {% M* C5 V - $this->address = $address;. v G$ E3 z1 j, o
- }, Z* c3 E( ~5 H. m4 _& m/ p6 A
- if(!empty($port)) {
% Y; b- K% J8 C - $this->port = $port;
4 W9 ^6 l; f7 _8 Z; G6 g e0 K - }% ?# e, z3 N: B# g. y
- }
& _% h8 t3 M4 l/ d -
2 ^$ \3 ]3 ?, e/ r - public function service(){
# W+ E" Q G+ O; P% I6 z - //获取tcp协议号码。
7 j" [& h: P! [ - $tcp = getprotobyname("tcp");# i8 p$ o0 ~9 M- a
- $sock = socket_create(AF_INET, SOCK_STREAM, $tcp);
6 }3 @; S6 V" M% ?9 W1 {$ p - socket_set_option($sock, SOL_SOCKET, SO_REUSEADDR, 1);4 o( h6 \ {# O) l/ `( p
- if($sock < 0)
# p" S z: o4 m6 F8 Q# N5 f - {
: Y$ O/ J$ k' U, @ b) L4 P - throw new Exception("failed to create socket: ".socket_strerror($sock)."\n");
3 \8 { I1 A1 @, M: |' t; \ - }
$ q1 ]- W0 K9 K - socket_bind($sock, $this->address, $this->port);9 t0 r3 F" y* ?8 r& M; Z
- socket_listen($sock, $this->port);
& `/ P0 w& P' r0 g - echo "listen on $this->address $this->port ... \n";' Y% s1 ]+ ], W0 N
- $this->_sockets = $sock; K, ^( z5 S, I
- }
~4 f5 A p3 J - ; e! L9 ^2 @6 K7 M$ z" K
- public function run(){) k& a! }; q) [! b6 V( b" t
- $this->service();. a% u9 i: r3 C; ]) P
- $clients[] = $this->_sockets;
/ {- B# U$ u( t5 ?. q4 o8 ^9 H( @ - while (true){
) G) G' y% C6 P6 \ - $changes = $clients;1 Y3 R' \5 y j$ l" e
- $write = NULL;
. D3 |% J3 n7 j/ E/ A - $except = NULL;
/ ^$ _' o7 T( M# V- [, } - socket_select($changes, $write, $except, NULL);
6 s& y( s5 M$ ?( v* C. ~ - foreach ($changes as $key => $_sock){. k/ B# \4 O4 r0 k R3 ?
- if($this->_sockets == $_sock){ //判断是不是新接入的socket0 M) y& I" n3 {
- if(($newClient = socket_accept($_sock)) === false){
( Y* k: m' {% t* w; r% J/ U: N5 y - die('failed to accept socket: '.socket_strerror($_sock)."\n");
8 y" X( Z4 ^$ f) I - }5 r; _# s( `1 J. s( h
- $line = trim(socket_read($newClient, 1024));) Y. c- m5 J, r+ N+ x& c. _
- $this->handshaking($newClient, $line);/ |! ^6 W% I. r! A% q
- //获取client ip7 v$ k+ |0 T! Z
- socket_getpeername ($newClient, $ip);
- K9 i3 e% v" V" o/ K9 E6 d - $clients[$ip] = $newClient;
9 q* @9 q7 ~! a* e - echo "Client ip:{$ip} \n"; b2 g* l$ [( F; u0 ?+ p
- echo "Client msg:{$line} \n";
/ u9 N1 ^ P7 M5 Y - } else {2 f( d# z0 d$ ?+ `
- socket_recv($_sock, $buffer, 2048, 0);7 r4 Z( w) n) E+ h
- $msg = $this->message($buffer);
) v P, Q R' V& S5 ^ - //在这里业务代码9 f6 b% M: O) q
- echo "{$key} clinet msg:",$msg,"\n";* @9 M4 N0 ?7 U: {( S* S6 u
- fwrite(STDOUT, 'Please input a argument:');
; t: S) {# e3 C+ W Z - $response = trim(fgets(STDIN));. }; G0 t5 s( _' g, ]- o
- $this->send($_sock, $response);
5 ~. C! e! D. w% y6 y8 p% N: N - echo "{$key} response to Client:".$response,"\n";
8 z% ] o! O0 k7 P+ g$ R - }
+ s% s& s% o$ `& S - }
) q: `+ m& A6 U7 \* F - }
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-
9 r$ H! K. m4 `0 B - /**1 e- x. |/ `# e/ q
- * 握手处理
2 U0 W/ H. O8 Q( e( w* |! Q - * @param $newClient socket
" j9 L* x# u( `+ Z4 _" [, K, T7 Y - * @return int 接收到的信息, a9 u: q. f$ j9 s- k2 h
- */! R; f1 |+ F* |$ i& ^
- public function handshaking($newClient, $line){
& |3 }$ ?; e' g5 p - ! e5 ~1 P3 \7 |
- $headers = array();
# l/ Z+ k/ H( e5 v/ e - $lines = preg_split("/\r\n/", $line);
) L& [7 G& E8 ^7 f& Q. K - foreach($lines as $line)6 o3 D0 b" ]" V2 z
- {1 ^+ K( i5 z+ h6 _+ n9 }
- $line = chop($line);
( m$ R, d7 x! H1 I - if(preg_match('/\A(\S+): (.*)\z/', $line, $matches))
4 W: t- Y" ~9 T' B. F - {" p$ W; V l$ k _
- $headers[$matches[1]] = $matches[2];
* H2 r8 Q4 L9 \& ^ - }2 z0 d5 x- {7 Y
- }
. Z8 o r: } T+ D$ p% p - $secKey = $headers['Sec-WebSocket-Key'];: l9 g/ s1 Z% d! ~# w
- $secAccept = base64_encode(pack('H*', sha1($secKey . '258EAFA5-E914-47DA-95CA-C5AB0DC85B11')));
; n4 ~- u8 `" i9 E& G9 L0 C - $upgrade = "HTTP/1.1 101 Web Socket Protocol Handshake\r\n" .* N) ?. _1 L1 z3 e1 N4 k
- "Upgrade: websocket\r\n" ." @7 y q3 r' {+ j9 i: m
- "Connection: Upgrade\r\n" .' m$ I( Z+ i( V# W. o3 ^
- "WebSocket-Origin: $this->address\r\n" .) c; |7 S* I7 U
- "WebSocket-Location: ws://$this->address:$this->port/websocket/websocket\r\n".
9 X6 ~$ C5 Y. N" n, j5 c( E# i - "Sec-WebSocket-Accept:$secAccept\r\n\r\n";3 e0 x% Z4 P/ ^, A. i1 }
- return socket_write($newClient, $upgrade, strlen($upgrade));
3 ?) [! C' B7 z0 v3 |& S D - }
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- /**
" l& |4 ~0 N! q" C$ E9 X+ \ - * 解析接收数据
0 m3 @' O) e6 t Y, T% M# f - * @param $buffer
~; b o* T+ `$ l0 W - * @return null|string3 D1 B ?/ i. l7 `
- */
# W2 F3 g \0 z2 u5 j - public function message($buffer){3 Z% _0 I9 d7 c5 W
- $len = $masks = $data = $decoded = null;% Y0 [; ~+ B l+ i" ]. A
- $len = ord($buffer[1]) & 127;
" n5 Q4 t- w) p( X& `4 X3 p; a - if ($len === 126) {. E" m9 D; w0 |, d6 J
- $masks = substr($buffer, 4, 4);1 E' Y! l3 i, ^$ N
- $data = substr($buffer, 8);
2 w5 F: J& `2 g& w - } else if ($len === 127) {
, c# m7 y# z' S7 W- Q9 ?$ | - $masks = substr($buffer, 10, 4);
( d. }# o2 k$ s$ l f7 k - $data = substr($buffer, 14);
- g0 v+ } a* O& Z$ M - } else {' l# {/ ` \) K
- $masks = substr($buffer, 2, 4);
) g2 D$ p, x) a - $data = substr($buffer, 6);4 _. C/ W1 l, e
- }% W) T. z7 r+ t9 V) D. p4 ]2 ?
- for ($index = 0; $index < strlen($data); $index++) {& M, \% ?$ q2 S& \% c# i
- $decoded .= $data[$index] ^ $masks[$index % 4];
/ F: [1 n4 Y7 X5 r - }/ ^* @3 [3 p) P& }( s* r# O
- return $decoded;/ q* Q; F8 v+ {1 t: \1 s7 l
- }
5 @; ^: f; @! [5 R7 e, `0 f - + t" e. S5 z1 V" h
- /**. g; ~9 I: R! W3 D' B6 ^
- * 发送数据3 S0 O, O- j, G, [ H5 j4 m( J
- * @param $newClinet 新接入的socket
9 Z; v/ z) m! v1 j0 `: r, T% v - * @param $msg 要发送的数据& W8 E" ?9 W% J" S0 G/ p
- * @return int|string6 W ]' r7 E9 M5 N
- */3 Y' \" f7 w( z0 z0 b2 B1 p% Y
- public function send($newClinet, $msg){
" d i& s4 q2 |# j% |9 E- T5 g - $msg = $this->frame($msg);2 F* U& y p% X" f- g( V
- socket_write($newClinet, $msg, strlen($msg));
: k1 c6 O8 y# s - }
$ Z2 W+ W1 V7 ]7 M( h8 ?' r T -
, u- p. m: \- G3 u1 t8 s - public function frame($s) {
" D% o7 d0 |' {9 w1 A$ Q" O' i" |/ } - $a = str_split($s, 125);+ U- S: I0 [# M0 H
- if (count($a) == 1) {% p; L* i8 A0 X" l1 J0 D
- return "\x81" . chr(strlen($a[0])) . $a[0];
1 J( z" d' L2 }# T6 y! { - }: R; S; _. o+ \) V
- $ns = "";: h* o$ g/ C3 l
- foreach ($a as $o) {
4 k1 h4 R0 Z3 I/ X - $ns .= "\x81" . chr(strlen($o)) . $o;
+ N3 _6 |: ~/ W- h3 O7 M" ~8 z( ] - }; w) E! c$ c3 F2 J; B
- return $ns;" Z+ i8 B/ V6 h) `* D* f* ~
- }
5 \' r0 d. H+ ~( L \- W - 4 X1 u$ B$ t; h# r# W
- /**
* p- l( {' j) W# x - * 关闭socket: F" g2 `" p0 a4 d; Q
- */5 B/ M! D, F! d9 _3 ~
- public function close(){
" M& b3 S. ^; m - return socket_close($this->_sockets);, g1 w; j2 r' A6 g
- }
& B" b/ y6 ^0 S, [) W' r: s - }
J5 Z4 J& P2 e$ i -
9 C4 n- m! |5 v" e' L - $sock = new SocketService();
- x& k2 z# A" g5 d - $sock->run();% n/ k& y$ o7 k6 T' |. f4 M# B
- . D$ d V4 v! h! V8 ]
复制代码 web.html- N* `7 a1 K! y# d% a% P9 c
- <!doctype html>6 {1 P* H& Z) s# J
- <html lang="en">
4 B; ]+ O2 `7 d - <head>
m1 I# l7 z9 W. r# J9 R - <meta charset="UTF-8">
" B1 B, B9 G" ~0 S* K, H6 @8 [ - <meta name="viewport" content="width=device-width,initial-scale=1, maximum-scale=1, user-scalable=no">
1 o; B0 V3 {+ \7 B; ]" n - <title>websocket</title>
+ t) G. O( r# q3 q& B9 F - </head>) _, M/ A8 B$ m$ q/ i: |3 Z
- <body>
% |% U3 v4 a2 l/ R' I; j - <input id="text" value="">
+ ^7 A1 N9 a# @4 t4 I, O7 O- z' x+ Q - <input type="submit" value="send" onclick="start()">
* d/ a. m- M* C* J+ w9 G! V& U - <input type="submit" value="close" onclick="close()">; b9 F3 n. A. d, Y8 \! A! K$ M6 a
- <div id="msg"></div>! p9 g7 \ X# J$ M& @
- <script>4 G5 F0 a# I& D) c1 {5 |+ }8 T( m
- /**1 L- C& u! j$ j' I
- 0:未连接
0 i1 i% `, j, U; w+ H0 F - 1:连接成功,可通讯
' r; q' {. ?* @ - 2:正在关闭& }0 Q5 [# U$ D* S5 Y( B; {& E
- 3:连接已关闭或无法打开# C6 Z/ H& s+ |! u- ?% C
- */( J8 o/ T0 y; ^! L5 m& E
- 4 n) }% P4 c+ P: R
- //创建一个webSocket 实例
, C2 d% y5 ^! H* n0 w F. g$ V - var webSocket = new WebSocket("ws://192.168.31.152:8083");
# r9 ]3 l9 j' N$ I- q -
( A% F* B' C5 g5 L8 b) ^ - & H( a" s; l* X4 S: h, U
- webSocket.onerror = function (event){2 Z& a- R; O! F a% {! [
- onError(event);* G% i1 P5 l# Z! ?9 v! C6 J* J" F5 A
- };$ ~3 ]# }% B/ V9 ~+ i0 ~
-
: l% n! P' N9 G0 F- f - // 打开websocket; n% u. T: c1 r6 R
- webSocket.onopen = function (event){6 i/ [# Q* w8 c1 W$ _
- onOpen(event);
* \9 I' M& t' F9 q) F Z# e - };
2 r, c0 _% r$ V0 {3 {0 |5 I -
/ _$ u, T1 v) e$ Z - //监听消息' Y% L" [% K) p+ t! K& D! k
- webSocket.onmessage = function (event){* D5 m' o/ x% D P6 ]
- onMessage(event);% ^8 b# X9 |2 H% F8 l
- };3 Q1 R, P; \6 M" {/ j8 s6 W
- * u0 a' @- F5 ~& T+ q8 U3 m! i9 F" Z+ y
-
+ a" B% Q7 J# ]) Q* G5 x1 a% R7 ^6 d - webSocket.onclose = function (event){3 d8 z0 ^( z, v! x B
- onClose(event);
0 J/ X) S% P: Q) I - }. n$ p( N6 {' t4 I! }% f; `
-
& G- m, W0 H. Q$ s - //关闭监听websocket
7 V, g4 w9 B( r9 [+ v; y( ? - function onError(event){
. R7 n# w7 F7 g W" J& Q4 A - document.getElementById("msg").innerHTML = "<p>close</p>";
9 n/ A+ L/ D; h; o - console.log("error"+event.data);
2 R/ z! P1 y! \/ E% O7 E+ u: C - };
" u3 P8 ~' K4 n' ?: G -
% `$ w3 {, G1 v e - function onOpen(event){7 r$ G; F2 S! v2 e" G
- console.log("open:"+sockState());
2 H+ ~& M7 x/ e V4 b - document.getElementById("msg").innerHTML = "<p>Connect to Service</p>";
A0 Y; [& ], M0 {' I9 q9 e - };8 Y* ?7 [0 Q# M2 {% F; j4 K2 d
- function onMessage(event){& E9 E2 ?. Z1 q7 y) J$ Q7 o
- console.log("onMessage");: w# R; e' p, T6 [! `! h
- document.getElementById("msg").innerHTML += "<p>response:"+event.data+"</p>"3 b8 W6 }0 {% |% i" X* S1 h. y
- };
2 V) V1 p3 F$ ?" e- R -
" A$ @( H: m3 y+ F% Q* h - function onClose(event){
4 \3 {* T7 }( f/ k5 r4 w* L - document.getElementById("msg").innerHTML = "<p>close</p>";2 m1 ?) L% G3 z- ~! j
- console.log("close:"+sockState());
) d, q6 T5 S: ]2 Q) Y5 u _( P - webSocket.close();
8 z% ^; r1 p% Y- W, \0 C - }: U, _9 ?: o) |$ V5 N
- ( T g/ r4 R2 \/ c, u$ Q: T3 C+ U6 L
- function sockState(){7 V- q; n1 d% B3 e# F! m
- 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'];
4 T1 X/ `' W0 c: g( x5 R, h - return status[webSocket.readyState];9 \2 M1 l1 \( |* h+ t' v8 w* |: v
- }! r0 A. Y/ H% ~$ m, E* e9 f8 S A
-
. o6 G+ E# K2 |5 u u D - : e# G- X$ a% C
- 7 x; q9 g1 e* g2 C
- function start(event){
5 ^6 p- {1 m& y! o - console.log(webSocket);
2 q! l. _; o2 K7 z - var msg = document.getElementById('text').value;
% S. m, P& V0 ? - document.getElementById('text').value = ''; h8 I5 B! t! I; h2 A9 Y0 @, X
- console.log("send:"+sockState());9 n4 w1 n4 i. o, r5 a
- console.log("msg="+msg);' J' f4 z( {/ U. B1 M6 @; t
- webSocket.send("msg="+msg);
, Z4 Q) H' [# n" s) h - document.getElementById("msg").innerHTML += "<p>request"+msg+"</p>"
1 u$ }0 u. n) J. J. q) M - };3 q! X6 R7 {$ F: `+ s* {% ]: u
- * `: N& f* S' c: z' w( U
- function close(event){
1 I# g/ p% @5 p! y5 c - webSocket.close();1 x" D& x! Z$ ]1 J. Z
- }
( T5 ~6 m- B7 V' y P G( S - </script>- \8 u: p* @( |5 R. U' U) p) E
- </body>+ Y$ P7 c) ~9 d- a: R0 i# M
- </html>
复制代码
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