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php实现websocket实时消息推送" _1 P% r3 l) R# T$ J# d @
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* U8 o: I ]( D/ ~" @SocketService.php
) I# S% i$ }' w4 t- <?php
8 T: y; F8 p. d) `; y/ N - /**. p: d/ f+ @" W9 H
- * Created by xwx0 y! A+ v9 t" L6 x
- * Date: 2017/10/18+ Z/ c' @1 C S% c4 E$ l
- * Time: 14:33
5 H7 W% [" O- `8 f' P - */( K1 y$ c5 K8 v+ O3 P! S) q, D4 j
-
s6 m: u) B) q1 X - class SocketService
8 s# x: T5 c. O3 Z7 P - {
7 o, }2 M% J) n& Q: l. p& u( ?' l4 c - private $address = '0.0.0.0';
# q) X0 U! G4 }6 h/ e8 q' @, W - private $port = 8083;
( g% A* Z& y ]& p( m - private $_sockets;; z0 I' H$ B3 f, e7 [ L
- public function __construct($address = '', $port='')# h+ A9 Y, C; {" Q& d. y
- {
6 B$ f' N$ m5 P; l0 V( S - if(!empty($address)){
# [) n, c# [( W: _: |# {3 Z" B - $this->address = $address; ~/ H5 b( o6 \% u3 y0 e
- }7 _1 E/ h. ^6 C( }8 @5 Y: ]
- if(!empty($port)) {4 }! F4 A6 v* P7 x
- $this->port = $port;
$ S( c; f( A7 e7 J0 j2 I - }/ M7 J1 R; v8 ?: u# B" N% ^ ]% ]; U, y
- }
; B0 e0 X3 s, g, f; I - ; m3 a! b, D+ ~, q$ K: |, |. L3 f
- public function service(){4 U' i/ h6 O" Z
- //获取tcp协议号码。
6 I% c/ f6 l2 Y1 w% ?7 u - $tcp = getprotobyname("tcp");2 u. z) K t8 y5 K( |5 b+ G
- $sock = socket_create(AF_INET, SOCK_STREAM, $tcp);# K8 O. a; ?+ @! b
- socket_set_option($sock, SOL_SOCKET, SO_REUSEADDR, 1);5 \- @% u" K1 u# \) z
- if($sock < 0) U; A5 z z: H5 H
- {
# f6 J) G4 R3 E; o# ` - throw new Exception("failed to create socket: ".socket_strerror($sock)."\n");' F2 y3 S0 D8 T2 B
- }
, }4 l5 N& W2 S% X6 X6 W E - socket_bind($sock, $this->address, $this->port);. r; Q% |( m( }+ r% z2 c9 C
- socket_listen($sock, $this->port);5 X4 C& E! {9 T; U
- echo "listen on $this->address $this->port ... \n";
4 ~ D: I5 j# i d - $this->_sockets = $sock;* y/ f) F8 v! J
- }" n' E. N" U, q: X8 m! v
-
% R, A2 E) L; ?4 q" F3 }" D" } - public function run(){
& v. b) \# b2 }0 B - $this->service();
5 j( \* X' H6 B9 d0 i - $clients[] = $this->_sockets;) m3 ]- E; j& d5 X! |/ n
- while (true){. g' L0 Z* g; ?" A2 q& i
- $changes = $clients;& R; ?: R& l1 p/ Y& |4 ?+ v0 h! t
- $write = NULL;
) i& \+ _. v0 V - $except = NULL;
) I! f- h4 x( t: y$ K+ U0 [/ G - socket_select($changes, $write, $except, NULL);/ M. _8 w! i7 [8 d3 Q' P
- foreach ($changes as $key => $_sock){
) d9 M3 ]# ^9 `7 g+ s" j - if($this->_sockets == $_sock){ //判断是不是新接入的socket
$ ^) r. d2 X% X' a J0 v; H3 k - if(($newClient = socket_accept($_sock)) === false){+ J( g$ h. ?: K6 i8 a$ G5 E
- die('failed to accept socket: '.socket_strerror($_sock)."\n");
? t6 m$ O. V* [* f - }5 q9 S0 D1 {; N0 ?* E/ r: [' s
- $line = trim(socket_read($newClient, 1024));
( z9 v6 c; ^; R" ]" _6 s - $this->handshaking($newClient, $line);: K, }* N# {% W J; A$ v
- //获取client ip
$ C% m$ k1 K7 k2 t2 w" H - socket_getpeername ($newClient, $ip);
! ~# V d8 x3 _ - $clients[$ip] = $newClient;
0 ~& X) R& v. n9 L( d - echo "Client ip:{$ip} \n";
2 m: g: w( H5 W' Y7 Y& L* I& ^! j! h - echo "Client msg:{$line} \n";) Z' b9 K( L# n8 F
- } else {
% b# F, {0 r: S; H) \4 D - socket_recv($_sock, $buffer, 2048, 0);
& s$ R# [" i) ` - $msg = $this->message($buffer);. F& |! ]% f4 H2 b9 Y
- //在这里业务代码
) P/ N' q+ I; ^$ B0 ` - echo "{$key} clinet msg:",$msg,"\n";, G4 ?0 V k# Q
- fwrite(STDOUT, 'Please input a argument:');
+ u# m7 w- E! \+ {2 b) Z# J - $response = trim(fgets(STDIN));
; F% W0 v+ Q, V% \+ n - $this->send($_sock, $response);
! ^9 D- J' G$ V0 M0 K0 R" v) X" U - echo "{$key} response to Client:".$response,"\n";1 k: i: _1 L/ O9 C. A
- }
2 a) _1 j4 e; ~2 i - }
0 X# u! | z$ l - }
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- 2 B* J! E/ z$ ^) `
- /**
( \* ?* ]8 C' A/ A6 c% L% f5 f - * 握手处理
- F' E2 I$ u$ Q8 ]* _ - * @param $newClient socket
: E! R5 U, U& i' _/ G! q- |1 w4 r - * @return int 接收到的信息
6 m2 {. K3 D1 r( K - */
. P9 e) v. e0 M+ z" F; b - public function handshaking($newClient, $line){
; q" k' W. _2 ^/ h' E -
8 D' x7 \2 q% \5 r: S' m! } - $headers = array();
/ t/ a1 q; ^4 v - $lines = preg_split("/\r\n/", $line);1 m5 ]' ~( W! ]' a
- foreach($lines as $line)
( }. Y r0 c+ b. N) K - {2 G3 U8 T/ y) d: N( ~) s# h
- $line = chop($line);
7 J' v" O1 Z+ y( {' ]2 w9 N - if(preg_match('/\A(\S+): (.*)\z/', $line, $matches))0 `" v. o ~5 d
- {
+ m' X3 V( D7 b - $headers[$matches[1]] = $matches[2];# \# ~* q) @# t; \
- }' T; |; m Y& D# M$ b
- }) G, F9 A4 A- m, P" n `
- $secKey = $headers['Sec-WebSocket-Key'];9 R* g+ p! R& b. R+ y8 L# e6 n
- $secAccept = base64_encode(pack('H*', sha1($secKey . '258EAFA5-E914-47DA-95CA-C5AB0DC85B11')));# X. p: r8 R4 m6 m8 q! q
- $upgrade = "HTTP/1.1 101 Web Socket Protocol Handshake\r\n" .
/ X0 Z) u; U9 n* y6 X - "Upgrade: websocket\r\n" .% c$ ?$ O. R& e8 S% |. y7 g2 @& ^
- "Connection: Upgrade\r\n" .3 X3 F( S% E8 M/ Y* c' b
- "WebSocket-Origin: $this->address\r\n" .4 X' [- {- M: o$ u
- "WebSocket-Location: ws://$this->address:$this->port/websocket/websocket\r\n".0 D& {8 x* X K# Y- J7 R. t
- "Sec-WebSocket-Accept:$secAccept\r\n\r\n";& X9 h$ ^8 P% N. T. V
- return socket_write($newClient, $upgrade, strlen($upgrade));# G3 D6 H9 W, ~, ?$ q" `
- }
2 t* ~$ }7 ~. M" F" F -
8 }0 }' Q" E9 d }' X$ Z - /**, u* M; u7 u- F1 d1 a+ m( {
- * 解析接收数据, ~# N/ Q0 I1 L& X/ t5 Y. ?0 v. f
- * @param $buffer. q% F9 E$ h, v2 q
- * @return null|string
" j# s$ [/ i; E2 u/ ^& j3 X. U- Y - */
) B: w; [/ u( x0 D% ~) E# ~ - public function message($buffer){4 Y" Y+ ~ B# G+ v" |7 _6 _
- $len = $masks = $data = $decoded = null;2 n9 Y5 P( E7 g5 A1 |
- $len = ord($buffer[1]) & 127;' N, L9 C( R8 R* t
- if ($len === 126) {' F8 h3 F5 P+ \# @! o; v2 h6 A
- $masks = substr($buffer, 4, 4);
+ e$ O% o8 F" A% l - $data = substr($buffer, 8);# Q3 A& M, W6 I8 B" b. j
- } else if ($len === 127) {
8 s' D' \/ j- Z - $masks = substr($buffer, 10, 4);
5 H5 ?" o' C# W5 ]- H; T# O. e$ R - $data = substr($buffer, 14);
2 m0 }4 m. i( |& s1 l - } else {
% P8 I, Q9 @ V: S/ S* w3 w3 l0 k - $masks = substr($buffer, 2, 4);3 t/ l" }# u& L/ V0 E$ T5 B" R
- $data = substr($buffer, 6);
9 N1 b" G" w" w9 F/ B - }
# `( e4 `( o q - for ($index = 0; $index < strlen($data); $index++) {3 R& U2 \. a' j3 |) v' x
- $decoded .= $data[$index] ^ $masks[$index % 4];$ E: b. X% T! `+ f( |9 _
- }" `, {- g, x7 g: ^; h& D
- return $decoded;
: Y1 h( E$ ~/ z - }
& ?" n) d8 E/ S$ O/ n/ I* C -
3 }5 S/ P0 _5 p. |1 i8 S% x6 Y% Z$ x4 a - /**
9 Q) x5 q* ?/ `0 U5 a/ d" W - * 发送数据
0 y/ M1 f, }+ t/ | - * @param $newClinet 新接入的socket
" J' R/ j7 z0 V% @+ m - * @param $msg 要发送的数据5 R: @3 O0 f) x G
- * @return int|string, o3 u- Y8 \" i9 o/ g- k* ?0 P2 S
- */5 G6 B- y4 R( H- W$ G
- public function send($newClinet, $msg){
, @! m2 ^2 ]5 [8 L! x5 B# j - $msg = $this->frame($msg);1 g% S6 z' s: d q8 E1 s
- socket_write($newClinet, $msg, strlen($msg));
) R0 H6 W" T3 ?: }0 b8 b8 _ - }
4 ^7 V, L: \# G M - 3 \$ i7 }4 S; {6 x/ i; D m
- public function frame($s) {
% H/ G$ I) O8 j& x. e1 A - $a = str_split($s, 125);
) G; w p- L- @+ O; `; R - if (count($a) == 1) {
0 D+ ^; N3 w# | C) P. q; y. W - return "\x81" . chr(strlen($a[0])) . $a[0];
* }. z0 p, V$ I6 I- x+ i - }% j. e6 T' Z8 t; ~0 X
- $ns = "";
! Y$ E1 H$ t. _2 T# g - foreach ($a as $o) {' J& m% f% b# O/ e
- $ns .= "\x81" . chr(strlen($o)) . $o;
0 \. k2 |4 X0 T5 s5 S* Z. a - }
/ X) L: E" k# M8 Y9 w - return $ns;% K- j0 k- Y' g8 H% d
- }
1 d5 h0 V2 v3 y2 X& A2 S6 H- I: T -
% ]+ G' e* p+ F" m. N, B - /**4 N8 L3 c/ |6 s/ Q5 @
- * 关闭socket9 u. }) q0 b! t% o4 u m6 F
- */
3 d/ r$ O" z& O8 M5 J& C - public function close(){6 g8 G8 e9 W5 ]9 P
- return socket_close($this->_sockets);
4 r7 q3 B% h. t4 P - }
# w1 B: k4 Q, P/ ]: ~0 k- S - }2 M, U E/ }9 m) v% U2 O. y
- 5 a1 y+ y5 d% @ H* ]6 i
- $sock = new SocketService();
$ J, F8 J! n. ^" R2 b* H6 i0 d - $sock->run();
, |" w( V: n) Y7 t8 h) u - " e0 k4 [% s' {' s9 D
复制代码 web.html+ L/ y& q0 |# ? a8 K* _6 a; `
- <!doctype html>
9 k+ v( l# G. d* T, g - <html lang="en">6 e' _1 M3 y, }& @$ w
- <head>' R6 X) }% Z; L% M1 N2 a. U/ Q, Q2 H
- <meta charset="UTF-8">& R5 S" G8 ~7 k1 x; X3 i% M1 Z
- <meta name="viewport" content="width=device-width,initial-scale=1, maximum-scale=1, user-scalable=no">& g) C8 r7 ]& X2 p# ^$ ~2 c
- <title>websocket</title>
3 Y2 Y* P* E4 b) n - </head>. }4 }; |1 R! J! N0 [
- <body>
% F. u: K2 w$ v4 f" R# u$ K - <input id="text" value="">
p7 T+ O6 D$ }, x5 ?8 o - <input type="submit" value="send" onclick="start()">) {8 N$ M& C; ?" [3 t& W; {' r5 E9 F
- <input type="submit" value="close" onclick="close()">4 b+ f: y2 v3 ~; k# B3 d
- <div id="msg"></div>
9 L/ {9 x. m1 c8 ?2 _ - <script>
5 L. m% r# ]' t1 M* n - /**
. L! e4 L( C* U) m - 0:未连接
# C4 e- t5 U6 y2 C, o4 [" E) K - 1:连接成功,可通讯0 R/ ?" g5 }+ Z* P! u
- 2:正在关闭
2 o" Y6 |1 f) i2 G) Y - 3:连接已关闭或无法打开
% s6 M) P6 l' K: x: u8 B6 l* f - */1 r% @4 A$ L% e" |& O0 y4 y
- - q( [% h& F4 M9 r9 |4 X( U, g
- //创建一个webSocket 实例
# g5 j* u! f( M, j/ i; r+ Q - var webSocket = new WebSocket("ws://192.168.31.152:8083");$ S# V* c* g. g5 z9 N
-
2 x" K. I4 m7 Z" O7 p7 n -
& Y7 ]; _! i5 y$ b" n - webSocket.onerror = function (event){4 J9 _9 o! M1 H' m( H
- onError(event);
2 u) \8 P+ R, a# z' v! q - };
" y: a( U4 K$ t8 r3 R. W4 U -
3 q- I. w. U$ Y, Z! Q$ p& w - // 打开websocket
s4 K! t2 Q( U - webSocket.onopen = function (event){8 t. D! ~* G2 V h, o' I! o
- onOpen(event);5 K3 k0 `, z% e* l+ C
- };6 g7 Y( X6 L0 I* Q7 n
-
}3 Y9 B0 _$ r - //监听消息
( M1 a$ A3 ?4 l2 T - webSocket.onmessage = function (event){0 e0 _' |% E$ j8 ]
- onMessage(event);) T/ h: E. ^0 X# Q; k
- };
& G& B7 p4 u0 h+ P8 u* D -
- k# o- Z& J# C6 e) R - 1 Q% Y, p$ V3 x4 Z& h& E) w5 G; ^& V
- webSocket.onclose = function (event){5 N* d3 _6 P j; I0 X
- onClose(event);2 w4 v' _2 M Y4 O6 G. _
- }& H$ ?! K+ d: d" R& b
-
% n. P3 e. m; c$ R - //关闭监听websocket$ {7 @: F. X b& N
- function onError(event){" x$ d" t9 l. m3 |4 i6 l5 `
- document.getElementById("msg").innerHTML = "<p>close</p>";
; y2 Z* f! p# {) u& [4 i - console.log("error"+event.data);5 c2 c/ W9 T% g' Z( R- ]
- };
/ p( {9 b3 {9 Y5 \& T, ~; P3 p -
0 W0 t- Y1 A: p - function onOpen(event){
_1 _" c) f2 F" C1 H) H) M. o - console.log("open:"+sockState());2 L4 B+ d$ p8 @8 t# p$ \
- document.getElementById("msg").innerHTML = "<p>Connect to Service</p>";5 z+ Z4 z7 E7 Y
- };
. w3 {3 a0 m" V/ I. ? - function onMessage(event){
" ?6 R- ~) q/ e- O8 p# L - console.log("onMessage");
( j- Y7 ^: P9 I7 ^/ a+ z - document.getElementById("msg").innerHTML += "<p>response:"+event.data+"</p>"+ K6 ^: n W2 n+ ?2 I$ ~ L& y* M
- };
* b+ t& @1 O" }9 D$ T+ L! F -
" s1 T6 N3 W' b2 j - function onClose(event){) h1 M+ t0 ?0 y1 a" P" t
- document.getElementById("msg").innerHTML = "<p>close</p>";" W! \2 m, N; }; T4 y+ F0 q
- console.log("close:"+sockState());2 X5 Q7 T3 K" k2 \: t* v8 N \
- webSocket.close();
/ q( H3 P! A2 f- k6 P - }' K1 V1 c" d) h# }8 n* \9 I
- # d# ^1 q& I* G3 @" k0 `7 p
- function sockState(){( V, ]! [# }; T* A3 D8 P$ U
- 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'];7 R, q1 {8 O+ y9 O! L, H" R
- return status[webSocket.readyState];
) ]6 I, R' U" U5 c' g$ @* V7 E - }
; r" [( T; T! ~% X$ S" t7 V5 O - 1 h( {- y: D" d2 \2 N
- 8 K; o: a, t: R4 ^2 a" O; r& L
-
( U k4 _' ?; H9 x- A. U% ] - function start(event){
& @$ |4 T- g- {* f- [+ O - console.log(webSocket);
: d8 z, G' s9 X2 ^0 P - var msg = document.getElementById('text').value;+ b+ ? Q% N3 Q X# D
- document.getElementById('text').value = '';7 M! ~% a6 E* o3 @' o1 c% o/ p' ^5 O
- console.log("send:"+sockState());
# E! b/ B- H; S: ^- @& S - console.log("msg="+msg);& B* F4 Y2 p7 V3 z# K6 O. n
- webSocket.send("msg="+msg);0 A* M: `; z/ Y4 L2 r( j- f
- document.getElementById("msg").innerHTML += "<p>request"+msg+"</p>". g2 } J' ^, @6 s
- };
5 K2 V! o, s: E; O -
+ c6 O! f) z3 B' H7 { - function close(event){# B. X% Y" \$ @6 o
- webSocket.close();: b Z4 l L: U& e
- }, E$ N/ L& g- s6 K
- </script>% S" Z, z7 {- ?
- </body>& z h N v/ y! }
- </html>
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