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php实现websocket实时消息推送6 ~8 `* N3 V( B: k- p& r
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SocketService.php* J5 z( ~5 U" K2 z& {; F# r* V
- <?php/ Y1 g- ^* H: i0 H- z
- /**
% e6 v+ v# e' h3 V - * Created by xwx
8 I# K6 ^3 g( a - * Date: 2017/10/18
( {" B/ `' ~3 i. S: F - * Time: 14:33% ]6 F0 q* ^: d) q) V
- */
, d3 Z- S) v0 n' x- [ - - x! @2 O8 j, e$ |
- class SocketService
. }& e5 I3 ^- N+ r - {4 f" Y7 P5 d: y" r
- private $address = '0.0.0.0';
7 a: a: J, b* R6 x% g - private $port = 8083;! ?" e; F; F$ Y
- private $_sockets;
% I1 a6 I8 P7 {+ q( u" n - public function __construct($address = '', $port='')% S1 M3 {5 ~- n0 k) O
- {
/ ~, ^5 O$ M7 c$ i0 u - if(!empty($address)){
" X9 `( \( o4 A9 M: e- C - $this->address = $address;
' H/ m; j7 M+ U. S - }
H2 p9 W; |* z) D% {9 U8 x2 z - if(!empty($port)) {
( G3 C4 R' M! @7 E E [0 U& x ` m8 o - $this->port = $port;- r3 X+ |( @% z% o# X9 y) u* n
- }
$ L4 c( y& K1 u% {9 Y% t' e - }
% v$ H6 ?/ X& Q' r) d7 D - - v- e% ^, x7 X% j2 m, ^( A l
- public function service(){$ Y* J5 C+ s N( G- {' g1 G
- //获取tcp协议号码。
; @4 T$ w5 a4 B' W - $tcp = getprotobyname("tcp");
1 v& `, \2 W( U& r3 }: Y9 y) E5 m* E - $sock = socket_create(AF_INET, SOCK_STREAM, $tcp);# d5 K" m* r$ I- G$ `; E
- socket_set_option($sock, SOL_SOCKET, SO_REUSEADDR, 1);6 _# @- a- q- {9 ]
- if($sock < 0)/ T0 B' I& N2 Z% U8 U2 I; ?; c
- {
8 \; i6 r n" j. q" @/ s - throw new Exception("failed to create socket: ".socket_strerror($sock)."\n");
' G" w( o/ U" ^/ K - }+ R& b1 C6 O+ q. i
- socket_bind($sock, $this->address, $this->port);! Z2 z5 _1 {! T+ z- P/ H0 w
- socket_listen($sock, $this->port);- W4 |9 n1 ^2 F6 y$ ?; Z3 q
- echo "listen on $this->address $this->port ... \n";' Q4 e2 Y2 a6 {, b2 j2 K: _7 U# G( h
- $this->_sockets = $sock;2 j0 z3 ~1 c. w6 L$ E2 Z+ O7 Z2 v$ x
- }
7 P- W4 F3 k7 [: K- c9 E9 n9 p - v$ G% N- b( M0 p+ _8 S& |9 S1 [) H2 E
- public function run(){6 b3 r" T; j- ~6 Y6 [& O: C
- $this->service();
3 @6 X. [3 a, v" w& k7 t# i7 O - $clients[] = $this->_sockets;) p( y) _0 m# M& @
- while (true){
* l9 a0 \ }3 Y0 f* i; d/ j' R! r4 ` - $changes = $clients;2 _# O P) t0 h0 C- V
- $write = NULL;2 `5 L. {; d7 ^+ {* m* t# O" |
- $except = NULL;
+ X* o. `* I- O! |# [7 m8 \ - socket_select($changes, $write, $except, NULL); @1 o0 _6 W( O' l! `8 N- d
- foreach ($changes as $key => $_sock){
" t3 Q2 z* Z2 d) d% o/ m* |) X8 o, L - if($this->_sockets == $_sock){ //判断是不是新接入的socket
1 D5 p% C' W& A2 Y4 R! V! E - if(($newClient = socket_accept($_sock)) === false){
4 S2 H6 b& c1 D2 i+ ~1 P) H1 ] - die('failed to accept socket: '.socket_strerror($_sock)."\n");
4 s, z: M% ?/ u X6 b# J - }
1 ?( w; ~ W2 b J9 X - $line = trim(socket_read($newClient, 1024));
2 ]: K& C' K7 b3 d7 h8 x - $this->handshaking($newClient, $line);+ x! }4 q8 P& \9 Y! Z1 _
- //获取client ip
% p! M9 N& m) X& z: B - socket_getpeername ($newClient, $ip);8 P7 {/ Z' Y5 I/ L0 l$ m7 n
- $clients[$ip] = $newClient;. o1 w6 k5 P6 a3 i" V5 S0 E
- echo "Client ip:{$ip} \n";; F3 L+ T; ?0 E; @
- echo "Client msg:{$line} \n";
8 L6 O1 n7 m9 M7 R# B4 X5 [' t - } else {
- |( X! f0 C" F W - socket_recv($_sock, $buffer, 2048, 0);: x' [# H" C; q9 H
- $msg = $this->message($buffer);
! P, w L! Z/ i, i0 D/ ~. a5 \) d - //在这里业务代码
) j3 x: b# x) L% O+ c7 ?4 w - echo "{$key} clinet msg:",$msg,"\n";$ z5 ]6 t, }3 B7 r- o! ]7 b
- fwrite(STDOUT, 'Please input a argument:');
$ ]& u" {1 R D& | - $response = trim(fgets(STDIN)); ?$ y8 U" S$ @( q% d8 a4 W
- $this->send($_sock, $response);3 V. o- b) ~# Z3 R: Z# t
- echo "{$key} response to Client:".$response,"\n";. r. S; }) ~' D4 @
- }* f# g- Z1 g3 m" g" j
- }0 E) I# E6 {3 F& s. l# z
- }2 b9 b4 l! M/ ], p/ L! v6 c/ X
- }
/ a5 Y+ z6 o6 L -
2 ^, K7 h( i6 w6 l - /**
. S, s, ]/ r6 N& q - * 握手处理9 v, z5 D) @' `' x$ R7 q4 J- Y
- * @param $newClient socket; M6 t* M v+ @4 s4 p
- * @return int 接收到的信息; [1 Q' I) W" `1 F
- */
& {& D5 v( I. } ?3 ~4 y$ z3 o/ | - public function handshaking($newClient, $line){1 l1 ~: t0 d7 p. |
- 7 [3 J% x) X* v0 c
- $headers = array();
1 ^0 L- E" y) N8 e* u4 ? - $lines = preg_split("/\r\n/", $line);0 \7 T1 e! o/ k: l3 ]* X- k- W
- foreach($lines as $line)4 r( \% R/ F. s$ a$ d- O/ q
- {
, `7 H5 n2 n5 T1 X+ d# u* @ - $line = chop($line);$ f: C: {. J6 R* L. u- p$ i. \
- if(preg_match('/\A(\S+): (.*)\z/', $line, $matches))
# e5 p: u3 s6 K, s. d' t+ x - {2 u9 u; F: o6 X* y- u, O8 J0 {
- $headers[$matches[1]] = $matches[2];
2 |; l2 x& g, I3 z- S1 \ - }
8 M9 t3 Y* F, N5 k4 a7 N1 m A) @ - }
1 f& ^& X# z: V3 z% u - $secKey = $headers['Sec-WebSocket-Key'];
! G- ?( C. q9 a& k8 f+ f# r: I* A - $secAccept = base64_encode(pack('H*', sha1($secKey . '258EAFA5-E914-47DA-95CA-C5AB0DC85B11')));+ E; C3 _9 r. m% M# o1 p
- $upgrade = "HTTP/1.1 101 Web Socket Protocol Handshake\r\n" .: ^$ y+ K. c6 t( f& W7 D/ @9 U/ z
- "Upgrade: websocket\r\n" .
! P$ v' A/ N' p, s - "Connection: Upgrade\r\n" .
( B/ S/ V2 ~; U$ [& Y - "WebSocket-Origin: $this->address\r\n" .
" a: J: f1 E6 H' X+ ? - "WebSocket-Location: ws://$this->address:$this->port/websocket/websocket\r\n".& h1 A3 Z, g5 k2 X$ D0 k" T
- "Sec-WebSocket-Accept:$secAccept\r\n\r\n";
# ?9 l6 j2 _) ^( v - return socket_write($newClient, $upgrade, strlen($upgrade));
: j) ~, Y& l$ i( }1 p! i9 `) J- [8 B - }
( b7 O/ {, u6 e; N/ D - 8 |1 i/ T4 e! t' Z. j% n
- /**
* ]' a0 b7 }3 E0 z5 E3 j* E - * 解析接收数据: `$ f b! n/ P* h* R* x
- * @param $buffer
6 @/ g3 I5 V% D0 L1 t4 }% U - * @return null|string
4 g* D" P1 h6 P! k1 E& F - */6 C- B' }8 Z1 w4 ], d) [* E
- public function message($buffer){
5 {/ I- n/ C# F# f+ y% {2 i9 D - $len = $masks = $data = $decoded = null;5 o/ V" u o5 r8 W
- $len = ord($buffer[1]) & 127;
0 q( r4 U6 |% F7 X - if ($len === 126) {
`1 ^6 i0 {2 O. s9 n - $masks = substr($buffer, 4, 4);
- j3 N4 O% M7 j1 t- P* O K9 a - $data = substr($buffer, 8);
0 f: v* S' N1 e% X+ d$ y; K: L - } else if ($len === 127) {
/ V6 H# J# D3 E5 q6 a - $masks = substr($buffer, 10, 4);
& ~" e/ m7 M' h5 C; ^ - $data = substr($buffer, 14);. s I0 n9 ~0 w( H2 Q4 X* I
- } else {3 D' k* J9 Q: s W ^
- $masks = substr($buffer, 2, 4);
$ r2 W& j3 r; V* F! _ - $data = substr($buffer, 6);
7 h: J* S* _' r' i D - }# Q( Q7 s) ]* k# n j( x" J8 k" ^: S
- for ($index = 0; $index < strlen($data); $index++) {# F$ Y) ^& I: P* T/ J4 P
- $decoded .= $data[$index] ^ $masks[$index % 4];
. q$ C: N: Q# E" ~; o# R - }
- ?9 p0 [) s. V3 S9 t; P, m9 Y - return $decoded;* E0 r; }9 x' G( F, [$ m
- }( Z; r q% A+ z1 [
- ( B/ r/ P3 I& S
- /**
2 e! p; I. O, m4 }& A7 E3 j - * 发送数据' s9 G$ J8 l& r6 \+ ?
- * @param $newClinet 新接入的socket* d5 h- Z/ L8 O5 F
- * @param $msg 要发送的数据
0 O# t4 A! f6 q8 l4 R - * @return int|string9 T3 n3 d3 ]+ L- o$ L
- */: ~) c5 g6 G* P
- public function send($newClinet, $msg){
* u* e. C; c5 Q2 V - $msg = $this->frame($msg);7 P" n2 q% m7 ?) l" m) L; n
- socket_write($newClinet, $msg, strlen($msg));
+ I+ \7 \' Q1 Y5 q/ l - }0 |6 q; s7 S$ M: ?/ ]0 a
- ( d. X' C0 @, b5 y, }! g
- public function frame($s) {( D1 Q4 C9 S5 d( w3 f
- $a = str_split($s, 125);
4 y1 X! g* ^. @0 ^ - if (count($a) == 1) {
* s' P7 H9 u& r) q9 V1 v - return "\x81" . chr(strlen($a[0])) . $a[0];
" J$ q1 T( y) j/ U - }" W& @+ {. E9 u
- $ns = "";
4 a' K7 g% `3 Y0 Y& v! Q, I% V - foreach ($a as $o) {
& r. w$ t! y1 U: V - $ns .= "\x81" . chr(strlen($o)) . $o;
7 p# G3 m# S+ F% A; S4 R0 F$ | - }
1 q- H2 i5 \8 ]4 O i! I - return $ns;! {" D. M2 f! i7 F7 v2 g
- }
' x6 f$ w# k3 S! s) y, h$ ~# p- ^ - $ F6 q5 [' T; \8 m O2 }
- /**+ Q$ j8 M% C3 F: ]1 \3 G
- * 关闭socket
, l: o+ a" g" }1 A' z - *// w; b" F: \( n* {
- public function close(){+ c' w, [& Y+ [4 s9 N+ x
- return socket_close($this->_sockets);& |5 M( r, H$ T/ d {
- }
7 p" X" Q9 [: H4 k. C# [ - }- N) q# E9 p- k, p; b& _
-
5 ^. z( J9 U* {' b' e' Y - $sock = new SocketService();
2 \1 H! L$ h% g! I, u, E0 ?5 |" d, C6 K - $sock->run();" g0 K$ c' r2 s4 v- O* h
% O* g9 h9 w& K' y
复制代码 web.html
% y. _1 `8 ~; _' z- <!doctype html>
& w7 [* V6 D; i% U! w% R! D- r8 | - <html lang="en">- U \- o& ~6 |+ X8 L- g. I5 L
- <head>. p: o$ ^, R* D5 I2 y# Q3 A
- <meta charset="UTF-8">; @" {% K8 [ C+ e' c
- <meta name="viewport" content="width=device-width,initial-scale=1, maximum-scale=1, user-scalable=no">
, o/ P, g6 ^6 Z9 g$ y% k2 L - <title>websocket</title>8 F/ x, x* z6 ^" }4 f0 {8 i; ]
- </head>
" y6 y$ X- E" k - <body>
3 R. p2 [* {0 L! O0 I1 M& V - <input id="text" value="">
& z9 @! m8 v8 h8 c0 d - <input type="submit" value="send" onclick="start()">& P U) W: r% g5 S% X4 c
- <input type="submit" value="close" onclick="close()">
+ m0 h8 \) c) e0 H% G - <div id="msg"></div>
) V" O3 M8 F5 j7 k& h( U - <script>0 U8 {/ e7 {$ `$ S" ]
- /**
9 a6 M! p' Q5 N! a) T& i( Q! L - 0:未连接4 x+ F% z' M; {8 A# Y! g' c
- 1:连接成功,可通讯- x$ g5 o c0 @. e+ g4 t8 ]" l: p
- 2:正在关闭
d' K6 d, Y# j' t1 M4 L# S9 u. P - 3:连接已关闭或无法打开
; Q7 `! e( Z4 S8 n, V; [- U7 r - */
. R2 @; |0 F- j5 L9 f1 S# ` - 7 a3 n- C' e1 A5 w7 i |: g
- //创建一个webSocket 实例
3 ^- b" M: B) f5 X - var webSocket = new WebSocket("ws://192.168.31.152:8083");8 _7 j: V& S2 f5 J- s3 o3 Z
-
7 X0 n/ E: M# l& M; C2 o9 ^2 W" b -
. H; y; U( |; }. b - webSocket.onerror = function (event){
/ r* Q: [$ z0 i* w z6 L8 H% z - onError(event);
2 m6 h/ _: v; G- d - };) c3 s* e1 d7 p8 W
-
6 W0 H/ d# T. S0 L$ W* Q - // 打开websocket4 S$ M. C4 a7 n1 A6 H" U! [, |
- webSocket.onopen = function (event){
; h0 B$ M3 m" |9 {9 \ - onOpen(event);! I: i/ D Y7 H7 X6 N2 I
- };5 D2 k/ ?6 r0 B1 k% n, l- S$ ]
-
" `: K5 ?" n" m% | - //监听消息; H3 j7 z0 u1 Y" i3 H1 F
- webSocket.onmessage = function (event){
/ `" @' m: E3 s1 H f" K( R - onMessage(event);
8 Q2 W. K. k' C$ s6 Z - }; h! b$ m4 _9 F
-
) H5 ?: C4 Y$ W. \ -
1 ?' @) E4 R) P6 k- U$ H9 e - webSocket.onclose = function (event){. f* D+ H9 i) \' z+ L
- onClose(event);
+ s/ K) G/ v1 y: G5 b U - }0 T- D6 d9 R, ?" e) i5 |7 D) T
- - g6 `) c7 h. {4 M# _8 D* }) d
- //关闭监听websocket
7 N6 v! N. P! i - function onError(event){9 k: J$ o. j6 B) P) }$ C7 g
- document.getElementById("msg").innerHTML = "<p>close</p>";+ Z( j, E* ?0 y
- console.log("error"+event.data);
+ ^+ \7 ?7 I" j, k2 ], Q+ A1 h" s - };& b9 {5 y/ C1 a/ k) i3 U: o
-
3 b+ ^; n' B! i" e G, Y - function onOpen(event){1 X$ r4 ?# r) }# ^
- console.log("open:"+sockState());; L! _ }" t# q) t" j
- document.getElementById("msg").innerHTML = "<p>Connect to Service</p>";% M9 H. d1 X9 j
- };/ ]. V) ~7 P2 }3 T1 G) O
- function onMessage(event){$ {* L- i+ O! @
- console.log("onMessage");/ n0 I1 f- _2 T( U; j% L6 l
- document.getElementById("msg").innerHTML += "<p>response:"+event.data+"</p>"
4 J i3 I, B% D% s* A - };2 ]' D* }/ y/ M& j1 f ]7 s
- % G! _# n0 |0 @$ p V
- function onClose(event){3 K* M# P5 i' D% k
- document.getElementById("msg").innerHTML = "<p>close</p>";
% O7 q, Q' N! G5 O# b) z) A - console.log("close:"+sockState());
: a' g0 p' ~1 h Z% v$ q - webSocket.close();3 H5 _) ~, F/ L
- }
4 D5 @6 o* M) V - 2 u/ u$ Y0 _$ `* w" _5 T
- function sockState(){
0 Y7 A: Z" \8 z* K7 e2 v - 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'];$ l0 c& [( u0 I" S/ H' q: q
- return status[webSocket.readyState];
7 y' h. v n# r8 p5 O3 a - }
' S/ S1 |8 z3 {/ e4 n% H - - T6 s. `. q3 M# A& K/ V
- & E3 }* H) @% r) Y# U) D6 V& u
- : Y0 e' X/ l) x. t" I9 J& n3 u9 c
- function start(event){
2 ?6 v$ Z- _& f* V8 G - console.log(webSocket);3 {" @3 A0 l* D: G# m1 @; o
- var msg = document.getElementById('text').value;# V5 y) `5 ^' E0 ^6 d% f! U
- document.getElementById('text').value = '';
. ^/ I( ^; |& c7 s( L, _( r - console.log("send:"+sockState());- t1 L }2 z# a
- console.log("msg="+msg);; U; z; ?& ]! N$ e' Q4 f
- webSocket.send("msg="+msg);0 N3 T) J! k1 O8 j2 c
- document.getElementById("msg").innerHTML += "<p>request"+msg+"</p>"! Q' ~) r' e$ r0 L
- };
|1 s; v' O" B9 L/ ] - & K/ Z S S& f. \. h
- function close(event){
! T3 }4 P+ f2 k* [. i! e4 V - webSocket.close();
# z9 R: i2 n: k1 d - }$ m6 }0 v! ~. \' x+ K# c& q8 m
- </script>2 B3 l G3 v0 F/ I
- </body>& J0 P9 y$ \) D. @ Y- n
- </html>
复制代码
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