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php实现websocket实时消息推送
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0 E0 P; v; X% vSocketService.php* P% B& l) [/ L! k( _. O$ G4 q. r
- <?php
, V/ I$ t5 m$ ] - /**
! W0 z& K. v# E1 E - * Created by xwx, Q' u! m; e+ {3 e
- * Date: 2017/10/18
2 p7 y9 ^* u" e" o1 Z8 f5 R" L - * Time: 14:33. B, j+ d! @0 J/ S
- */
( w+ u& z3 u0 F' _ -
5 H+ o% t3 A. {; y( D$ N' F - class SocketService2 X! a9 d: A3 L7 }
- {
" w5 A. N4 `' |7 F - private $address = '0.0.0.0';
: _7 |3 Y2 s" L. x( C# H5 F5 I - private $port = 8083;
$ W! j/ P$ ]5 V" \5 c w) j - private $_sockets;4 O& j/ r6 h w( d
- public function __construct($address = '', $port='')
' L; [) c5 R7 _1 G$ S7 c1 Z - {( J8 y1 F* |0 N: A: e" _
- if(!empty($address)){: d; `4 I _* l6 |
- $this->address = $address;
$ j5 f$ o5 n3 p. O5 |8 u4 _ - }( {: V2 h7 X- @& b5 x0 d. y
- if(!empty($port)) {! G9 b+ W5 N' {3 Y8 a% i$ T
- $this->port = $port;' [/ ]2 j3 k; m9 K
- }5 h, H5 ]9 q6 |' X
- }# g) B2 \" s, K( I2 @, n' Q
-
/ k- M9 T) x) N0 K+ [ V - public function service(){5 e* n3 X1 q# p
- //获取tcp协议号码。5 M8 X# V1 y6 M9 J3 R
- $tcp = getprotobyname("tcp");
# I: v) v; @+ z$ v8 h9 P$ C - $sock = socket_create(AF_INET, SOCK_STREAM, $tcp);
7 P- O; W" e9 V2 y" O - socket_set_option($sock, SOL_SOCKET, SO_REUSEADDR, 1);& i! ~2 K( G, Y" |9 w3 h/ d3 p! q
- if($sock < 0)
9 q- b5 b6 s+ g! w5 R - {
; @& t! y. r$ i0 I - throw new Exception("failed to create socket: ".socket_strerror($sock)."\n");
& W+ u4 V" m. z Q6 _& N# p; X2 {: C - }
" z0 P& s. o- k6 ] X" K - socket_bind($sock, $this->address, $this->port);2 t; u3 G: ] X9 y }7 E
- socket_listen($sock, $this->port);
" T' z% H- r- |% e3 Y/ r5 D' N - echo "listen on $this->address $this->port ... \n";
4 Y! Z4 e5 ]/ p; p+ x% a - $this->_sockets = $sock;
, f. F) M5 d1 M; M: B - }3 F0 h: x) K$ x: a
-
5 E. g" i- h8 z, `" y. {! ^5 e; s - public function run(){
. V+ s- J' }1 l4 U! Z: f: q - $this->service();
: Y* Q8 G- u( \) I- M- h - $clients[] = $this->_sockets;9 X2 T8 d; }! w( p+ z
- while (true){$ n2 z6 e2 [6 l1 r
- $changes = $clients;) }# V- C: L: H+ G9 s. g
- $write = NULL;9 G; P& S: W' L* B
- $except = NULL;
: E# t* Q6 d0 o, {' ?2 y - socket_select($changes, $write, $except, NULL);
& E3 f1 U/ _+ d U% {( Y - foreach ($changes as $key => $_sock){
' s! t, q9 o: C# Y' \ - if($this->_sockets == $_sock){ //判断是不是新接入的socket; m, k6 E5 C; h+ p
- if(($newClient = socket_accept($_sock)) === false){
# v# c1 j9 \) p" T$ i2 x - die('failed to accept socket: '.socket_strerror($_sock)."\n");7 P" X# o; T" O* d% A" M% `3 K
- }
' x$ Q, e% R5 w Q - $line = trim(socket_read($newClient, 1024));
/ `' y! w7 N& `7 Q2 d; c - $this->handshaking($newClient, $line);8 h' }& o* T$ L( c: r, v0 b
- //获取client ip6 N7 h) S: N4 ?( R6 ~" Z) B( ]
- socket_getpeername ($newClient, $ip);; P- p& g$ A* ^% i/ l$ ]0 k
- $clients[$ip] = $newClient;: q1 D4 P0 y; K( V
- echo "Client ip:{$ip} \n";2 A+ [- u$ P3 _! n' c* t' k
- echo "Client msg:{$line} \n";
9 A6 f0 x: l3 {# @% T. ]4 c - } else {; b) m0 P& v! h1 ?0 r5 X3 I& q
- socket_recv($_sock, $buffer, 2048, 0);, E- d6 S& w2 ?* s2 h
- $msg = $this->message($buffer); ~ Y5 \/ _. ?5 u# o
- //在这里业务代码
* {' q3 M9 _. k, m+ P - echo "{$key} clinet msg:",$msg,"\n";
. z! @- P' B, t3 b U8 K - fwrite(STDOUT, 'Please input a argument:'); Y) ^7 X( n3 W& }" E
- $response = trim(fgets(STDIN));
' C5 F8 _% _. C. N2 Z" V& B - $this->send($_sock, $response);
c4 z) @6 Y1 I4 P - echo "{$key} response to Client:".$response,"\n";$ U9 F' R0 q4 }. D
- }- K: `+ j4 F' O+ _, x8 m# S
- }5 K) O2 h# W6 d" C
- }
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% x4 D3 G% _; v -
) \/ D2 c9 C \' m* j$ S; K - /**8 b1 o% U5 k' `- O1 q$ w2 c7 ]& @4 F z, Y
- * 握手处理
$ p. N5 c6 o: N" D9 O - * @param $newClient socket1 g5 o! m. ]0 M- g0 v. v" \
- * @return int 接收到的信息+ M; [- b' D5 f# x
- */2 }5 x/ W" o1 K/ J# Y4 }) x; r
- public function handshaking($newClient, $line){
8 ?* L5 ?; x3 I ~ - 7 D. l+ b; A! x
- $headers = array();
! Y& P2 S; |% Z. u! x2 f h3 i - $lines = preg_split("/\r\n/", $line);
q8 E2 p* o, |& P - foreach($lines as $line)+ G& H x1 ~/ g0 q8 V4 R+ q" S
- {
! h9 X: ^5 G" h7 h9 e# S) v0 j2 H; R - $line = chop($line);! x7 Q' H% N( U3 I" n' e5 A
- if(preg_match('/\A(\S+): (.*)\z/', $line, $matches))
! ~' B( Z; v% l. i: W - {. c4 z) T* _0 B0 n& X7 ^5 ]) g
- $headers[$matches[1]] = $matches[2];8 | _3 s% F" m8 k: m- o
- }
* h' h/ [9 t1 O. e& _! l - }$ \* b5 {4 S8 J1 `3 z
- $secKey = $headers['Sec-WebSocket-Key'];9 N% G2 _5 Z( q' [
- $secAccept = base64_encode(pack('H*', sha1($secKey . '258EAFA5-E914-47DA-95CA-C5AB0DC85B11')));
0 r' A. x2 O o, R( ^1 g: a - $upgrade = "HTTP/1.1 101 Web Socket Protocol Handshake\r\n" .
' E( K5 V- f. e/ @ - "Upgrade: websocket\r\n" .4 z9 ~: C2 s# I
- "Connection: Upgrade\r\n" .! e7 { X1 y" x5 b9 H. \- t
- "WebSocket-Origin: $this->address\r\n" .5 W& p2 I( R" {. p% w+ v$ J
- "WebSocket-Location: ws://$this->address:$this->port/websocket/websocket\r\n".
2 W9 |; P4 R* q0 v' h - "Sec-WebSocket-Accept:$secAccept\r\n\r\n";
3 Q3 _) q6 |# [* G- z( _1 ]8 O - return socket_write($newClient, $upgrade, strlen($upgrade));
# ~( ~" D( m* O, P# |+ \ - }; }& B6 Z# I$ j) ^
- 0 N0 i$ T+ s7 M) w. U/ [6 i+ O
- /**
. v/ h# E9 ~5 F, G/ p/ j4 v - * 解析接收数据8 h2 N3 f; u8 z( i( W
- * @param $buffer
7 G. P- F8 {8 R, T - * @return null|string
! f; C8 j& {3 y' l3 G - */
9 t2 ?- D0 P F! X( V2 K9 e& O - public function message($buffer){
5 |& K" s- K( W - $len = $masks = $data = $decoded = null;6 |3 t5 `- M, X0 l7 L" Q, o3 k
- $len = ord($buffer[1]) & 127;
, c8 A, Q) n u x4 t5 P) x - if ($len === 126) {( R' z2 e0 `8 g/ O9 |$ u# V" F
- $masks = substr($buffer, 4, 4);, L( b1 J7 \9 i- c# A* `
- $data = substr($buffer, 8);' ^5 R! R w# s; |
- } else if ($len === 127) {
1 I5 V- R/ f; X5 [: f6 z0 y - $masks = substr($buffer, 10, 4); L* c3 w: v' O D2 Q
- $data = substr($buffer, 14);( `& {+ s- N q7 T' h9 i& [! D
- } else {3 v. h/ Q0 v, a
- $masks = substr($buffer, 2, 4);
- M9 h" N8 o! l% }5 b - $data = substr($buffer, 6); {$ r# S- z5 x: T5 }) W
- }
3 U( E- @8 @( W8 d - for ($index = 0; $index < strlen($data); $index++) {; O# c$ J' i% F: b" d4 R. m" F
- $decoded .= $data[$index] ^ $masks[$index % 4];$ {1 k& _' g: K8 D& J3 x
- }
2 U0 M+ b2 n# y: }4 h0 A - return $decoded;) y- c: X& T9 q( Q
- }' e$ T8 G: L7 \4 y3 I2 v t
-
2 R: T2 P* j0 i) a, F - /**) `$ w2 y+ O# s" q/ e3 m0 a& d
- * 发送数据: o8 z1 J& L! e' l
- * @param $newClinet 新接入的socket
2 e4 k4 J8 R/ ]& R( E" V7 m - * @param $msg 要发送的数据6 n8 |& E- J! r5 a% e" ]! `$ c0 D
- * @return int|string4 s8 [5 j) H% h; Y* r5 B ~
- */
& b. J0 H3 F3 d" c, F - public function send($newClinet, $msg){
7 o3 A. g& {( k$ c+ F5 U: Z - $msg = $this->frame($msg);( _6 ~8 ^# X+ V$ p
- socket_write($newClinet, $msg, strlen($msg));
. u9 r- J% {6 p2 T' R2 r; z. ]7 t% t - }
4 X% Q8 R+ S/ V5 K. s -
# \5 m& ~+ a# o0 H% W" {. e, ^4 S# ^ - public function frame($s) {1 o3 U6 @6 }3 @) @
- $a = str_split($s, 125);: j$ m0 s' \( S; Y
- if (count($a) == 1) {
( Z) J9 [3 Q* Q* D6 M* f - return "\x81" . chr(strlen($a[0])) . $a[0];! J, B0 M* U( p2 m8 J
- }
/ d8 U# O N2 g- p2 ` - $ns = "";- U- }/ Q9 x/ s
- foreach ($a as $o) {
" t4 {. H- N3 p& A - $ns .= "\x81" . chr(strlen($o)) . $o;$ W; b# t# w; e% s
- }3 X, M" H9 l' Q
- return $ns;' M. p( L3 X: I6 m- j, u/ [! T
- }
5 R: v- o/ N6 t# O/ b8 h - 9 ^ `; ~4 w8 D' O
- /**
Y9 f0 ^! L) y - * 关闭socket
5 U+ A* `- A! n) Y5 q- I/ F- J - */0 F, v3 H! C2 ^3 ~7 Q
- public function close(){
! l' s2 t- G+ \+ g4 {" ^) x' J - return socket_close($this->_sockets);& d: }' o/ S R' {9 G" @7 W0 _( y
- }# o. p7 \; c9 t8 ~" G
- }
4 d/ L5 i# ]" Z9 h* ? -
. o9 e. G. }. B% ]/ ]7 G7 h3 L7 X - $sock = new SocketService();
" F, c/ a' i9 i5 X; D* _$ e - $sock->run();) }* A% |' O0 Z0 ~
- 2 P4 @ e" {3 g2 M- _. l, y
复制代码 web.html7 |5 [) v- {" A; S
- <!doctype html>
, ?7 g0 i9 r' X - <html lang="en">1 B E I3 W9 \; I- k6 a
- <head>
4 B8 S( U5 ]6 k* P" A7 m - <meta charset="UTF-8">
/ _+ h% `$ L: S - <meta name="viewport" content="width=device-width,initial-scale=1, maximum-scale=1, user-scalable=no">
. \% a( c( B6 \; X - <title>websocket</title>
! ~+ K5 n, [$ ~ - </head>+ K: W7 S# h% G0 B
- <body>2 i1 d3 |" M. Y
- <input id="text" value="">" F: b& Q% N& x
- <input type="submit" value="send" onclick="start()">0 T& g8 L" s& B
- <input type="submit" value="close" onclick="close()">
# l5 \ X1 Y# H7 W - <div id="msg"></div>2 u# _* V9 c4 }; W }8 w
- <script>( l4 b* v0 v6 p6 e% U& Q0 Q' z
- /**; T+ M6 R y# Z) O, Q0 |
- 0:未连接; A' X6 z7 E6 T( Q, p3 V
- 1:连接成功,可通讯+ s# p# U( ]/ w$ G- S( {
- 2:正在关闭' t' g1 ]+ ?' M* X. a
- 3:连接已关闭或无法打开6 S1 T+ v& P7 D! G/ N( a! n
- */
% Y0 [3 m$ r8 y# E& ?" b6 g) h v -
5 @1 M5 L# T2 M+ z" ^ - //创建一个webSocket 实例: m3 c! b2 F+ A, g2 l& t, b/ p& @
- var webSocket = new WebSocket("ws://192.168.31.152:8083");
+ O6 l3 x. `* e6 w% w( b - / t( B( p8 S: s9 j
- : p9 | s8 K4 i8 p$ V
- webSocket.onerror = function (event){3 i# Z4 d) w0 J) r. A' q
- onError(event);* \1 l2 e* l2 p0 C$ c
- };
% W; T$ q: r* u+ `' y - ) u4 s9 P6 H7 @, `$ g
- // 打开websocket
7 [, V5 [) F$ e' b3 u* u; a - webSocket.onopen = function (event){
: W/ {9 {( c' F/ S5 }% e2 f - onOpen(event);
9 T' g0 j' t7 j& u5 M - };
4 X" R9 J8 z" p c2 r - 0 A( s5 f$ P6 }3 [
- //监听消息
$ i) `! o& G2 G; t0 J7 L - webSocket.onmessage = function (event){# c$ W: U- s4 |
- onMessage(event);9 o, v5 c& Y3 C; _. p
- };. w" l/ N) J! N; T+ l5 U
-
7 ^7 k9 H/ P, m! R8 Z8 z -
6 O+ e* K4 k9 `; x$ Q - webSocket.onclose = function (event){
/ I; V, p0 D! i! L K! X - onClose(event);: c6 W: P/ w9 x$ @7 T; j: D6 O
- }
! Z9 `# P0 N: Y! _( C0 S* A( ~ -
, m0 D a/ M; M) C9 i' J; W - //关闭监听websocket+ `5 F! T5 Q& ?8 s
- function onError(event){9 g/ o2 N9 u+ A6 i' m4 ^; P, u
- document.getElementById("msg").innerHTML = "<p>close</p>";
9 }2 L, M2 O* C; x6 K- n - console.log("error"+event.data);- W* s G+ m+ Q$ `6 t3 y5 l
- };. s! X3 H1 x$ t: t) k* s& y; C
-
& ?! M1 d. l7 E - function onOpen(event){
- I. I% o5 M* G$ k# l0 t - console.log("open:"+sockState());
$ j& l9 Z6 X5 I& \# l Q7 r - document.getElementById("msg").innerHTML = "<p>Connect to Service</p>";
7 w0 O( o( i# h& Q; @' p8 I - };; `1 v9 f4 k; }, x- {
- function onMessage(event){
0 _. v; o# F7 \- e2 Q - console.log("onMessage");
0 E; x! T3 E. G V" B1 O - document.getElementById("msg").innerHTML += "<p>response:"+event.data+"</p>"7 g+ t% X8 l" P ^8 z7 p9 V
- };1 M* k! [ U i3 c V
-
2 Y- O4 ?+ p# Q/ \ - function onClose(event){
. s2 `; i( k- ~- Z l! x! k - document.getElementById("msg").innerHTML = "<p>close</p>";
* ~$ H) n7 I+ } - console.log("close:"+sockState());# G* E% P# {3 w6 c) z% E0 Z
- webSocket.close();
1 ^ L7 ?) C" C' M7 v7 l/ B - } E; ^2 q4 c4 a
- 1 C) {5 f. S3 e. ]3 k U
- function sockState(){3 [) v. l: W: `: b' w
- 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'];- F0 `) ~/ a* s% o3 z# v7 k
- return status[webSocket.readyState];8 |% {0 U- A5 v$ B! K5 q
- }1 @# r/ w; x K
-
& q* j G9 ?5 O, I c -
* a* L+ y9 F" R; c& ^ -
* O4 d! t7 l; V. k/ B( b6 o$ z - function start(event){
2 w5 A2 x C. y - console.log(webSocket);8 }0 C- M/ X! d, O
- var msg = document.getElementById('text').value;
/ u' y6 w; R- t9 T2 y4 \ - document.getElementById('text').value = '';
+ G [$ y3 [' H, j - console.log("send:"+sockState());* Z! s& ~+ n) j* [8 Q5 o T
- console.log("msg="+msg);2 I0 ]- I& ^ U' j6 ?
- webSocket.send("msg="+msg);
. }% h6 v$ C/ W - document.getElementById("msg").innerHTML += "<p>request"+msg+"</p>". x% g% W1 Z" M [( P3 t) s
- };/ G3 T+ `( m. K! x$ i* C7 i
- * Q0 w% q& _! G" f# [2 i
- function close(event){8 e G, B. K: e' `( Z
- webSocket.close();
9 s3 H+ W' R' T2 Y# g8 q. [5 @ - }7 O- T, a! F# O. k9 R
- </script>7 G, G4 [" n* D O3 V3 C, ]
- </body>1 y- T4 s& C0 Z
- </html>
复制代码
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