管理员
论坛积分
分
威望 点
贡献值 个
金币 枚
|
php实现websocket实时消息推送 o7 r4 {# K/ m( ?8 T5 |) C* B* l
; C; U, Z. O. C6 l2 n7 j' v
# ?6 t+ D! i7 p
SocketService.php
' x6 a0 U* y. }+ `! m5 x- <?php( Z1 H9 c0 m- N9 |9 s8 B, i3 ^$ u ~
- /**
8 m2 o# { y3 k: o9 x3 m - * Created by xwx
) g' Z/ \1 I N1 i6 D& n - * Date: 2017/10/18
& N' z* w2 V7 _ - * Time: 14:334 m t6 j' c; H
- */3 I/ c* }2 v! m; [
- : j7 P! M$ a4 p' o F9 ~/ m% N$ M- G
- class SocketService2 W. m c% {; ^5 w( q0 L
- {; A: P. F \% I2 G
- private $address = '0.0.0.0';
u, s- K6 T" Y8 q1 b1 v' g - private $port = 8083;
2 S2 E, m9 t) {! m& V7 g# X - private $_sockets;7 i+ N6 K- Q- @, x$ _6 ]
- public function __construct($address = '', $port='')$ n6 |2 t6 E2 s8 }
- {
1 t' W) ?. ?' @6 ]# J3 N - if(!empty($address)){$ j& w, S3 L) g2 [( {
- $this->address = $address;; a8 t A/ ~ X* V( j1 G
- }
9 V. i* K, U( d% y$ q - if(!empty($port)) {
5 R' R7 l/ n0 S& E* w( h - $this->port = $port; }; h1 \- F7 P+ E: o+ C
- }5 k" x# l9 r/ J- B
- }
7 V$ m; ~1 m, Q% j - : [. q, X2 X* {( j- \
- public function service(){
, Z* g& i. q/ A9 [, X - //获取tcp协议号码。
d3 z% J9 U f - $tcp = getprotobyname("tcp");+ I8 a5 Q8 I" d- ^2 g6 U$ f
- $sock = socket_create(AF_INET, SOCK_STREAM, $tcp);) t7 r- O$ e) S0 o) p1 Y- t
- socket_set_option($sock, SOL_SOCKET, SO_REUSEADDR, 1);
" ~: O1 f7 D9 Z' Q' f" q% M' i% c - if($sock < 0)0 m9 W" _, C6 E. |7 l3 T
- { h1 Q( t4 i- M" t" m: |$ E
- throw new Exception("failed to create socket: ".socket_strerror($sock)."\n");
5 z" i2 |( [' |' R- F: e1 s - }
% ] J: u% T# N/ V6 Y - socket_bind($sock, $this->address, $this->port);
1 A5 H5 |( n! ~ - socket_listen($sock, $this->port);3 ^, c3 S9 B1 E( ~" ]1 j$ t) h
- echo "listen on $this->address $this->port ... \n";/ x! r1 f5 G! D
- $this->_sockets = $sock;
1 u, | d! m4 o( [ - }; o+ |# p+ U& c8 ]5 b h E8 f
- # g {7 B* D x |
- public function run(){
) h! a: ?% r/ ~ - $this->service();6 c" Z! q5 Z) R! b4 u
- $clients[] = $this->_sockets;
" N# [8 N' o8 h1 j0 ~6 H - while (true){3 N }1 b: ~/ j) s% d
- $changes = $clients;
. c9 G6 n7 A- h - $write = NULL;
. e2 n! W/ K% w: m5 Y8 F - $except = NULL;
4 w: K; R) {( ^: O - socket_select($changes, $write, $except, NULL);
! L( n% r* ~7 R- U" z - foreach ($changes as $key => $_sock){
2 n2 r) G! I# z+ p; m - if($this->_sockets == $_sock){ //判断是不是新接入的socket f( k) D3 F D" M
- if(($newClient = socket_accept($_sock)) === false){1 Y8 t' K% M' M: @
- die('failed to accept socket: '.socket_strerror($_sock)."\n");
) K4 N) {+ X! s, I; l W+ g - }
1 d% k* f$ Y E9 v - $line = trim(socket_read($newClient, 1024));6 _( d7 O/ \, i
- $this->handshaking($newClient, $line);
6 P# e9 E! z8 k2 n, u2 u1 J! { - //获取client ip
) D) N" ^" M8 B/ e+ S - socket_getpeername ($newClient, $ip);0 ]: w3 L: l7 M" G
- $clients[$ip] = $newClient;* a1 d( s1 d4 T% }
- echo "Client ip:{$ip} \n";5 i9 Q# a# [2 t
- echo "Client msg:{$line} \n";
0 R; [% r$ ~: @. I - } else {: _ f' M+ ~1 b
- socket_recv($_sock, $buffer, 2048, 0);0 D t; C4 M: p! y3 k
- $msg = $this->message($buffer);
- F, e0 S' K* C/ v# B - //在这里业务代码9 I* e, m) x' w
- echo "{$key} clinet msg:",$msg,"\n";( ^4 {; Y" S& u b. e9 z
- fwrite(STDOUT, 'Please input a argument:');
+ S1 q8 W0 [# U& t - $response = trim(fgets(STDIN));) e, I, f; R9 P$ w
- $this->send($_sock, $response);
: K# M2 R: p% y; @+ P - echo "{$key} response to Client:".$response,"\n";
6 B) z* W! K( Q, {, h. {3 y2 e5 w - }
9 |2 V7 y4 m1 I/ `* {5 R6 r - }
: Z8 P# _- n- W% l; c+ z0 x9 l - }
' G, p5 Y; T; H! |" `, p - }* o. l2 e1 o+ s ?% U* }1 N- k
-
* E- ~# O( |- F - /** ?9 H5 G* u8 }7 { a
- * 握手处理0 _ V' |! F7 h6 w
- * @param $newClient socket+ \2 W ?3 x$ J @+ R! g: h
- * @return int 接收到的信息
. U9 j& @* S! c q, X5 @5 U* V - */& R0 L; E" G2 Z9 Z2 ~
- public function handshaking($newClient, $line){1 s" M; j" R6 x7 i1 a; B: T
-
6 y4 v! w8 I/ g6 s/ S - $headers = array();
& o3 M1 Z% f, k/ R - $lines = preg_split("/\r\n/", $line);1 ?' p F' O1 C7 G1 Q
- foreach($lines as $line)' e5 i0 K/ Q) _8 Q& j/ j: c6 S" F
- {
/ o f9 k% r7 V. J0 q - $line = chop($line);% l+ J- I+ K; r4 H
- if(preg_match('/\A(\S+): (.*)\z/', $line, $matches))) G" X2 S/ f! x2 [1 Q" @: f! Z# W
- {
7 w! I+ S0 K0 u0 S0 d7 c3 c! h0 @7 t - $headers[$matches[1]] = $matches[2]; r* j8 w: |' g$ \
- }9 H2 C. y f& i: Y. w5 ~9 G; O; X
- }
4 \* K0 A+ c7 o/ C/ v - $secKey = $headers['Sec-WebSocket-Key'];7 w! k5 s/ c* M) c! h4 H0 d
- $secAccept = base64_encode(pack('H*', sha1($secKey . '258EAFA5-E914-47DA-95CA-C5AB0DC85B11')));3 D5 ^5 i) e" A: S0 N1 D
- $upgrade = "HTTP/1.1 101 Web Socket Protocol Handshake\r\n" .
7 v) z2 ? t7 w }( U - "Upgrade: websocket\r\n" .7 u/ t; \, [9 p; {6 T! m: ^
- "Connection: Upgrade\r\n" .3 b0 t* O- g/ e6 ^) ]4 y
- "WebSocket-Origin: $this->address\r\n" .
8 U4 Y! x* R7 h+ v7 [+ I, e0 X - "WebSocket-Location: ws://$this->address:$this->port/websocket/websocket\r\n".
, c. e( o1 ]1 o1 _' ] - "Sec-WebSocket-Accept:$secAccept\r\n\r\n";
: ^) h/ b* K2 \% o% s - return socket_write($newClient, $upgrade, strlen($upgrade));
" O2 X( k8 v; w2 M; L0 o0 ? - }
$ e" y4 o- v9 Z( ?% b# ^ - 9 B7 c# W5 d1 B4 g: B
- /**
0 u( c* g# g" F& | - * 解析接收数据4 f2 e4 v/ a5 C$ [
- * @param $buffer* [7 Q5 z8 W* y6 Z8 K; r* N( g
- * @return null|string1 u0 o9 V# t. g" @. m" w0 X
- */( U5 k0 j; S& A7 L/ z
- public function message($buffer){
" L8 L1 l( h( r" G: u - $len = $masks = $data = $decoded = null;' m8 K9 ^2 { k& m" |
- $len = ord($buffer[1]) & 127;0 @- b1 l. L$ ], I) O( X% [+ J
- if ($len === 126) {
( e$ S: r% A1 W5 U6 X$ J - $masks = substr($buffer, 4, 4);
" T- m. i; ?- q& L; O - $data = substr($buffer, 8);2 {/ I& K# Y# t, T; T
- } else if ($len === 127) {# i( H3 X0 ^% U. [
- $masks = substr($buffer, 10, 4);- z# o, ^" Z# _0 w# V, u
- $data = substr($buffer, 14);
) |8 |! |+ w: L1 [) R5 B; s( P( m5 [ - } else {7 Y+ q1 P6 g. `* W, S) S, Q
- $masks = substr($buffer, 2, 4);
" F5 ], x- f( @7 N5 ?6 i8 }7 \ - $data = substr($buffer, 6);0 L& ^2 I- R6 A* G3 n5 p! P8 a" d
- }
- W) R$ y) L0 G( @ _ - for ($index = 0; $index < strlen($data); $index++) {4 p2 S6 M. _/ V. ?
- $decoded .= $data[$index] ^ $masks[$index % 4];
2 {- F2 @+ j. ~& q% e+ y% ]: G3 R - }
' s3 M" @( R7 `) {0 x - return $decoded;
9 j' H, ^ Y! w6 m - }
) j4 v& n) a4 g4 Q3 P% p" u -
8 V, R: _% {, V+ k0 |+ m7 t - /**
; c: F2 g4 N* b2 [7 A! K - * 发送数据7 V2 `$ ~7 O! h" _4 v3 T
- * @param $newClinet 新接入的socket5 ^/ l7 ?5 H+ K* K ]; z
- * @param $msg 要发送的数据
8 z( e; j A1 [1 x# |6 a) X - * @return int|string
* y" |9 k% B/ X K1 \, _ - */4 L$ G0 Z; {" {- d1 D9 n8 X5 t
- public function send($newClinet, $msg){2 B! ]; w* O6 [( Z7 v. Q# L0 p
- $msg = $this->frame($msg);
+ |: y8 R* N1 h8 f4 J8 F% O - socket_write($newClinet, $msg, strlen($msg));
N3 w; d. ?, C; e- I& G - }: P% c: l2 S# Z) ]5 o+ E
- 7 S! q" V9 o" c0 f
- public function frame($s) {, Z1 m" a) _2 ^# J" }5 v
- $a = str_split($s, 125);0 ]9 _& j$ l, @- ?' M0 a8 F
- if (count($a) == 1) {
p4 F* N& b, U; Y - return "\x81" . chr(strlen($a[0])) . $a[0]; K- s7 @, d: a9 e# g
- }1 C% O6 v% z+ r% G3 ]) s
- $ns = "";
( O* g8 C/ s% G: L - foreach ($a as $o) {
( k9 R' s2 W$ |/ n4 u: n! _ - $ns .= "\x81" . chr(strlen($o)) . $o;3 i2 a" E; b5 }7 k2 F% P& w+ e
- }
6 p% g% }" r! }2 q5 [ - return $ns; y/ @# M5 C2 e% W/ U
- }
! K9 r$ R" f$ U* h# k$ } -
8 N9 V, |4 u$ c - /**
5 {: I) b* x. w4 E0 w - * 关闭socket
3 d5 k k# \+ Q* Q1 I' p - */+ p% I5 `# r- Y+ A
- public function close(){
& F {: O3 ` m- @1 J3 n - return socket_close($this->_sockets);8 K6 h6 P: Q# u# I
- }& E/ ^8 p; O2 i
- }
- P1 W# J4 j/ j1 O1 q( x( R$ \ - ' U- h+ Z0 U/ B; m: B9 @! p& t
- $sock = new SocketService();
8 M2 Y; k1 F% Z$ i5 v, m8 y - $sock->run();
- r4 q- z( u+ Q* ?* O
) P6 C- J0 K6 f) ^7 G* p% J1 N
复制代码 web.html
2 d$ e! ~ Y% ?. J K, I2 V- <!doctype html>
! s" f2 c3 l6 @9 K5 g - <html lang="en">
# {2 P& s+ |. o - <head>- J: J0 D9 ~$ ^3 d, h
- <meta charset="UTF-8">
: a4 @3 T8 x% Q - <meta name="viewport" content="width=device-width,initial-scale=1, maximum-scale=1, user-scalable=no">
; n1 B9 i7 } W' x - <title>websocket</title>
& H5 G, F% J, B5 F) g0 z - </head>
* X1 l P+ z' n9 W$ C- \) z9 T. [ - <body>
# O) K# z) u. h O6 `2 c$ Z4 t - <input id="text" value="">$ S2 O1 M& w B* R
- <input type="submit" value="send" onclick="start()">
* }) X+ u% J/ Y' S8 d% _+ e2 m - <input type="submit" value="close" onclick="close()">
' [& O/ P8 _ T1 j - <div id="msg"></div>! i+ G, \' p* {& p$ l# c
- <script>; l% ]/ t H2 l) H5 m
- /**
! `1 [4 p! y p) a& H; Q8 ?% Z - 0:未连接
& f/ Q$ L" I+ r: r. X- I( n* k - 1:连接成功,可通讯" D, [, S5 R j$ p p, T
- 2:正在关闭
1 q7 }! s Q7 }8 G - 3:连接已关闭或无法打开8 @, x8 O. r, _: G2 B0 U
- */
( d0 d/ G8 s3 e( W6 n0 b - & F' B. x4 Y2 o
- //创建一个webSocket 实例8 \6 {! M+ U$ _. L0 } U, o
- var webSocket = new WebSocket("ws://192.168.31.152:8083");: u" e! f: f5 m( Z; y7 Z5 ?+ ~; C
-
$ L6 a! h; u/ e6 J I8 @ - $ u& p" ?4 q2 o) s4 z" n
- webSocket.onerror = function (event){2 W3 S# c$ w( g# K
- onError(event);% v. I+ r, B! y' K
- };
, U3 T0 @3 a, X* G1 U9 w: W -
( R0 u+ Q& c% x - // 打开websocket* x. Y5 B* Y+ m; ]- K5 i
- webSocket.onopen = function (event){4 M& ?* }, G; r
- onOpen(event);
1 i' K8 `' I! ?& k - };! d! h9 u$ g2 U L+ q% r
-
' _% f! P* i+ G6 F! R - //监听消息6 }+ t4 z$ C: x" N. x2 O ?# g' d
- webSocket.onmessage = function (event){
/ r$ r3 p |. ?' ?2 C- J - onMessage(event);" b5 J, |2 {! W
- };0 |8 ?" W6 O8 f# |* }+ s3 e
-
) `7 |. J) n7 s4 Q% b& O: I0 F0 ] - 5 N; S" q0 y5 m
- webSocket.onclose = function (event){% U, @5 u& o% \0 X
- onClose(event);9 k! r4 \& j0 }2 E2 Y4 o7 Q6 R
- }
. m8 t& q; d. o N4 H# S% A# ? -
* l" Z7 \- d5 a8 d2 h% ? - //关闭监听websocket
1 @8 v$ J; m! |! \1 t9 z - function onError(event){
+ x- w! P% u8 J2 m - document.getElementById("msg").innerHTML = "<p>close</p>";
* {! m. n' b X$ X: } - console.log("error"+event.data);
7 Y0 }1 p9 L' a7 a- O% t - };3 G5 j) c% D; g
-
( D( C+ d2 X9 c+ _' \ - function onOpen(event){* ^9 V( t8 T- g0 X7 v, t7 Y: b
- console.log("open:"+sockState());
! S# o0 w: T) K- ~5 C - document.getElementById("msg").innerHTML = "<p>Connect to Service</p>";
$ S* c$ e3 h& I - };3 |9 R7 h" U* d
- function onMessage(event){3 J7 m5 F2 @# C; |
- console.log("onMessage");0 `1 d, ?" A9 \, n J
- document.getElementById("msg").innerHTML += "<p>response:"+event.data+"</p>"( B5 S# C' R2 X8 u/ s/ j
- };
0 n4 [" V0 m# V+ e# i$ [ -
+ E4 Z0 ?' X( p0 T v6 l - function onClose(event){
4 m$ H1 t$ a, d1 Y, Z6 c. D e - document.getElementById("msg").innerHTML = "<p>close</p>";
' u3 y" @3 a H0 H3 [: _3 ? - console.log("close:"+sockState());
) y5 G* l' q! Z. \. Q- m" ~ - webSocket.close();
; G- K' y2 P) ?$ O } - }
1 y, p( V1 m; v2 d - / z; X7 Z( j: {; ?0 ~% c
- function sockState(){
7 A2 H0 G! |9 L0 l/ S& d8 L - 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'];( _5 y5 D- u$ t; W- e+ r: {
- return status[webSocket.readyState];( y& j% @# t0 G% |) R4 ?, P
- }
& Y, F' j5 t. i: {3 n0 f) d -
, x1 f- T* [$ S& F; R -
0 P$ I$ ?0 c4 [0 P2 J: r: z - & z7 A% e! X1 t! {
- function start(event){2 a' _ z0 q, C6 q `7 r: T" R2 U2 p; @
- console.log(webSocket);
5 j% h0 }4 R$ o5 {/ _ - var msg = document.getElementById('text').value;
- b+ d9 t5 s6 B' {& f" r - document.getElementById('text').value = '';
0 o: r' o9 X6 h6 [1 C) H) [ - console.log("send:"+sockState());. y" [# _8 _7 d' p1 t6 |
- console.log("msg="+msg);: J" K6 e. l" i# Y4 @4 U* Q6 Z' G
- webSocket.send("msg="+msg);
- [, A; U6 P& a8 ~5 x* C - document.getElementById("msg").innerHTML += "<p>request"+msg+"</p>". C3 i2 |5 k _0 o [# f
- };
- h. y0 R# a& {/ _( Y( [+ j- t/ T - 7 L: }7 j$ N9 c* P
- function close(event){6 W) R' u" A) Z- V
- webSocket.close();
5 Y; G0 x. r- B) W+ V! ~/ i3 F( ` - }' l/ C. q; W5 K0 L' P( x( }
- </script>. ~8 D0 e* o0 M
- </body>* J, T3 ^, x5 @ o
- </html>
复制代码 ' G" q" i+ M9 e1 p
1 j; s6 H( L/ X+ h
- Z+ u+ }. z# a% o
|
|