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php实现websocket实时消息推送/ C1 R' a* N& u8 U5 W9 u
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SocketService.php- a8 o6 u1 s5 T2 t, ^8 x3 p$ A& O
- <?php# ^* y; C N5 g3 Z, R
- /**
, i8 k! s3 `. t3 ?8 V3 j9 e - * Created by xwx
, U% i* s! E, Z, O# D - * Date: 2017/10/18
, g) b, Y+ C4 D- g - * Time: 14:33
( F2 L4 m0 X2 |) c2 l - */
1 A7 M' { _2 c* m* D+ } -
, [8 E1 _4 u( ?( g% o8 J _! D - class SocketService; r2 j. s, e; ]7 J; l* _
- {
, u0 {: G4 F; T# P. h1 ? - private $address = '0.0.0.0';' f; W) x b. D9 h Z( L
- private $port = 8083;
& c+ X: F0 L) F q+ C - private $_sockets;
, C7 n5 B2 b; w; p0 S4 O) `+ Z3 A - public function __construct($address = '', $port='')
' Z a0 b& f) h" } - {
" U9 G4 g3 ^. Z; W' I - if(!empty($address)){
% n; }& r& x5 p Y - $this->address = $address;2 F# K: f: B. Z3 T. @
- }
& D1 f0 s. k" g1 R - if(!empty($port)) {, l; e1 i+ a7 ^3 I/ y
- $this->port = $port;
9 ` w! Y6 Y; X9 A9 Q - }
2 V3 I( X8 F1 D3 U( v! ^ - }
! S: J! A! [2 f$ m6 j -
) c2 U6 g( \% S, s' I+ k+ U/ S - public function service(){
~- x+ }, _3 e4 h; ^9 L$ N5 ^ - //获取tcp协议号码。/ U) x/ \5 z. H9 ~2 F: s1 q
- $tcp = getprotobyname("tcp");
# \7 ]+ `/ E" o8 y" P- T6 x - $sock = socket_create(AF_INET, SOCK_STREAM, $tcp);
# N* {! X: x9 M8 o$ t - socket_set_option($sock, SOL_SOCKET, SO_REUSEADDR, 1);
% a0 m$ j& H2 l/ U- c3 g& ^ - if($sock < 0)
; z9 x( y0 P6 h - {
4 W8 R% q4 \' _! D* J: B - throw new Exception("failed to create socket: ".socket_strerror($sock)."\n");
: C l. t+ I- L' K6 Z' D, [ - }
4 i2 K' L9 k, E - socket_bind($sock, $this->address, $this->port);% l4 X: M. o! O6 I9 }3 j
- socket_listen($sock, $this->port);
* \! J* y7 _3 J' K2 [7 d, K - echo "listen on $this->address $this->port ... \n";; i3 ~) D8 i, e2 t2 o, H2 H
- $this->_sockets = $sock;8 o* m# F" i$ F: T
- }7 J: \$ U/ `3 @4 j
-
7 C2 _$ g6 v% r% G5 v. g( q - public function run(){
7 `9 {8 Q( H+ u9 Q+ I - $this->service();
) l) T+ Q3 z( s - $clients[] = $this->_sockets;" p; M) }" V0 t
- while (true){0 b8 w8 h+ A- l9 d, y3 r @' i
- $changes = $clients;
1 r4 S4 p2 U0 K - $write = NULL;) F4 _+ M9 [) f% O6 b4 g* b! @6 [6 V
- $except = NULL;/ V5 k- J9 q5 [# U& m, t8 Z
- socket_select($changes, $write, $except, NULL);
: n* P# O7 }0 `3 H5 a* x$ `" F2 Q: O - foreach ($changes as $key => $_sock){
& P& |2 `% U+ U& y6 ?+ r. \ - if($this->_sockets == $_sock){ //判断是不是新接入的socket
, @9 k$ A2 `8 z% u& [ - if(($newClient = socket_accept($_sock)) === false){* Y& x9 f' C; T0 I
- die('failed to accept socket: '.socket_strerror($_sock)."\n");
. }& \7 g+ m" Y - }/ t9 x0 g }! s8 l4 n
- $line = trim(socket_read($newClient, 1024));4 c& s% H% G5 i. m: g$ L0 d
- $this->handshaking($newClient, $line);
" Y$ E! q8 |; f& ?- }; k - //获取client ip
4 M4 V5 ~! T+ d! b/ Y ~; I" |, G - socket_getpeername ($newClient, $ip);
+ z2 r6 X9 g$ a) R - $clients[$ip] = $newClient;- U u$ z2 @+ x9 H6 o# D# U
- echo "Client ip:{$ip} \n";2 i7 F" S( z/ |% \; {
- echo "Client msg:{$line} \n";( W, N4 Z* Z0 j2 I. u3 F I
- } else {
0 P7 u! ^- N; U* n% q - socket_recv($_sock, $buffer, 2048, 0);
1 }5 _5 f( b6 c" k# B - $msg = $this->message($buffer);
7 D: B* A; [" v7 i& M; ^2 f x& ~& B - //在这里业务代码0 i" r$ `, V9 ^) n2 s) ^0 g# [
- echo "{$key} clinet msg:",$msg,"\n";) H; M4 I* c/ G' J6 w2 ^7 F
- fwrite(STDOUT, 'Please input a argument:');: q; J0 V8 Y- {+ m" c q
- $response = trim(fgets(STDIN));& g/ N. a& z2 Y
- $this->send($_sock, $response);; E' Z" @, m W4 b$ o ^
- echo "{$key} response to Client:".$response,"\n";
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- }
+ l! v2 D1 l, B1 f& |# Z" d6 _ - }
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- /**
+ y0 |* Z3 l* |9 e& L$ n! H - * 握手处理0 A, a* r' [! ?& [
- * @param $newClient socket
9 Z3 N" k$ I3 I$ n7 R6 k n - * @return int 接收到的信息# t% e, h7 g. h; j A3 |
- */
$ p" W4 Y/ k4 D H& T4 M2 y - public function handshaking($newClient, $line){
) J9 q) G& s/ b+ C% X, ~' k& @" { - 5 E" L0 K& A3 E. H- O: L
- $headers = array();
4 v( W6 f! k& {. D- v# l - $lines = preg_split("/\r\n/", $line);
, e: ?+ ^+ }6 R" x; ` - foreach($lines as $line)
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- $line = chop($line);; W3 P- F* T$ G ?( i3 e8 D' I: I
- if(preg_match('/\A(\S+): (.*)\z/', $line, $matches))8 c& s! t$ I+ p. u6 y# b+ v
- {
( k* t+ ?6 a- d/ M8 {. ` - $headers[$matches[1]] = $matches[2];
3 M$ S: k" f B% E6 ^' P% h5 T( T - }
2 a. l" g$ K p9 ?' b) t! _ L) ]- u - }) {# T% v8 S* P$ v- v
- $secKey = $headers['Sec-WebSocket-Key'];4 a3 G1 ~ y1 t* m1 ^6 y
- $secAccept = base64_encode(pack('H*', sha1($secKey . '258EAFA5-E914-47DA-95CA-C5AB0DC85B11'))); ^( c- j% M2 [" S5 m# G: B
- $upgrade = "HTTP/1.1 101 Web Socket Protocol Handshake\r\n" .
! {6 @5 z3 o' e5 u% S: r; b5 L - "Upgrade: websocket\r\n" .4 u* h: n9 f$ D3 y
- "Connection: Upgrade\r\n" .
3 L9 T) m6 n2 H/ f+ T6 J - "WebSocket-Origin: $this->address\r\n" .3 F- z, A( Q& c: f7 B- F
- "WebSocket-Location: ws://$this->address:$this->port/websocket/websocket\r\n".+ L8 f5 z: s$ M2 @1 T8 h- j
- "Sec-WebSocket-Accept:$secAccept\r\n\r\n";1 ?. f8 f4 Y3 o* \: F
- return socket_write($newClient, $upgrade, strlen($upgrade));7 Q P n1 ^& k3 p. v
- }
& o1 G- P3 i! a' B+ V -
/ j& c& v+ n, @, I- D! C, g - /**
$ Q2 x( B2 ?0 H: B - * 解析接收数据9 h; g- j# {' H
- * @param $buffer
# I3 K2 Q# i6 z- |' ^. |" J E$ M - * @return null|string6 K& A+ r8 A% @ T0 T s) t8 L
- */, u! @4 s8 C- O
- public function message($buffer){
4 W" M& {! Y+ V. V, R) h - $len = $masks = $data = $decoded = null;; n" k& c. q3 k/ ]8 t
- $len = ord($buffer[1]) & 127;* x7 d1 r8 p0 d+ Z
- if ($len === 126) {5 @0 o' B0 G% `
- $masks = substr($buffer, 4, 4);0 p5 ~: t3 |/ y! ?* H
- $data = substr($buffer, 8);
, ^$ Y- V$ m3 |+ X- q8 \ - } else if ($len === 127) {
. V/ ]$ C0 \5 R$ s+ l4 t9 w/ E - $masks = substr($buffer, 10, 4);
K0 S3 D# v' o% E9 r, A4 d - $data = substr($buffer, 14);9 q5 Y6 k/ A: @) \9 ~0 k: P
- } else {
9 v$ V9 T. B% g% e @5 H- @ - $masks = substr($buffer, 2, 4);
, X- U3 R: V: x. ]! h( [; m - $data = substr($buffer, 6);, {5 o/ t. Y2 T+ Q
- }
( l, {, @! E6 v5 b( A0 x5 e - for ($index = 0; $index < strlen($data); $index++) {
3 [; `) s9 i6 T7 o' P - $decoded .= $data[$index] ^ $masks[$index % 4];
. r6 Z6 h) |2 ^6 C! t - }( B! G. N& o- |" p, U$ v
- return $decoded; E! A) v C) U5 I: }. s8 N
- }6 T2 y2 _! w2 x, t& D b# f
- 4 z; p5 W+ Q/ H8 e8 v: O8 L& [; S
- /**
5 b1 ~3 t2 x, s& M9 i+ ~* p - * 发送数据
9 m$ w3 B0 x7 l8 K6 ? - * @param $newClinet 新接入的socket0 J, P2 }( G7 i1 Q, `3 h! A
- * @param $msg 要发送的数据
+ g& \" }0 H) y. y' x$ K" H! j C - * @return int|string; ?6 q& P7 p4 p% { U, s2 V c+ c
- */0 f0 B1 B! _5 Y; I3 _' R
- public function send($newClinet, $msg){
! b$ J+ d( O; s - $msg = $this->frame($msg);
8 I4 [$ ]6 Z* C* ]( V! b - socket_write($newClinet, $msg, strlen($msg));
) Z; b+ G9 H g* ^ - }4 Y z4 `5 T; i/ K) l9 Y; E
-
9 U7 L I/ i. C3 V; x0 x- B - public function frame($s) {; r. G: b+ S6 u4 f3 i! z" k- d
- $a = str_split($s, 125);! d( O/ i' |; l* s
- if (count($a) == 1) {: C! J, \" n: Z1 N! n) P+ N
- return "\x81" . chr(strlen($a[0])) . $a[0];% \5 n; a! l; g: J3 t! x- @
- }$ G( s: |$ ~$ W% q( h: h
- $ns = ""; B& C4 X7 J+ s8 E! d
- foreach ($a as $o) {2 o( L# |3 G2 N8 _
- $ns .= "\x81" . chr(strlen($o)) . $o;$ j! H, s, _ T0 }( R
- }* o8 ~$ P- Y. N: e0 A' y" ~. U( v
- return $ns;" X2 n$ V# N3 P
- }5 j( b. _* L/ I! f6 L3 s8 J
-
& {' D; b' u# i, O - /**3 Y( a; D8 S5 I! x% E, n4 Q+ n( ~+ d
- * 关闭socket
5 T; V/ e, e$ P6 M# d: l T - */
( v6 V7 p/ k, p7 T2 I - public function close(){
& x, l8 a# E0 W8 ?4 n8 ? - return socket_close($this->_sockets);
9 w0 `5 U: N5 Q/ H3 j# B- I - }
. e. N4 j0 C, T9 G - }
4 ` e9 R9 ?! m6 m4 p0 x8 s - " O/ R8 m" a$ O+ ]5 _# S
- $sock = new SocketService();
9 n1 s8 g, w0 V0 a6 y - $sock->run();
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复制代码 web.html3 t1 ]5 O+ W/ X# V; N- F
- <!doctype html>
4 \) r" R) t4 S* b% N$ P( S7 q - <html lang="en">' n7 U/ c5 S- Q2 a; |% B' y" o
- <head>
. Z* f3 B2 y- x3 ~" e7 } h/ N: G) j$ v - <meta charset="UTF-8">
( y& I8 ]: z4 L$ r0 e# T1 B - <meta name="viewport" content="width=device-width,initial-scale=1, maximum-scale=1, user-scalable=no">
. k q9 m2 t/ ~5 X; a - <title>websocket</title>
+ c* h- c" h7 n2 R4 q) z; ]0 v2 i' R - </head>: _0 r7 `1 Z9 e+ T8 o Y
- <body>
0 ?/ \1 G8 K! ~% s* S7 E. | - <input id="text" value="">4 M% Y1 x6 _8 J" d
- <input type="submit" value="send" onclick="start()">
& I, u2 a: `% @; ` - <input type="submit" value="close" onclick="close()">" R4 r6 j) `* o. _
- <div id="msg"></div>
5 V( O( d: H9 k5 p2 @( N - <script>
8 [& _/ d5 o2 @- T ]/ X - /**2 l5 i% q+ X6 W6 j5 i
- 0:未连接
2 E9 O9 \, c, u; H - 1:连接成功,可通讯0 `5 i& `. {) M* @, y) ^" W" Q! |
- 2:正在关闭5 n8 ^: Y- T& z1 v7 _
- 3:连接已关闭或无法打开
, x- i) ?" v3 I& [6 c. B U - */- N, j D* }* G' \5 x
-
! i4 ^ _2 p2 i& T% r V" m - //创建一个webSocket 实例
! h% F' o3 g1 h1 V: \% ?/ C - var webSocket = new WebSocket("ws://192.168.31.152:8083");
) `' K8 W4 h8 k) R( H$ Y# a. o -
+ B+ L% z4 K: f, ]! x& { -
( T2 F! [0 f; [) Y( R$ t - webSocket.onerror = function (event){) b6 ~1 C; g4 M: @9 @ k( o
- onError(event);+ L, F; V6 F' `7 D q& E, ~
- };
& r! N, e% v3 m5 t. z. ~# i -
% M$ p9 n" j" P6 j% ~$ ~0 J; x - // 打开websocket
) H4 C" S0 F. v( d; k9 W" D1 B) H - webSocket.onopen = function (event){
4 F1 O( u) X/ \* N+ O - onOpen(event);
5 h4 K6 \- f* [ - };
, w- w- Z% ?8 b8 H4 V* o# P -
) V. f5 |% t" G0 Y! V - //监听消息& ^& V* Q- p& y r- F
- webSocket.onmessage = function (event){8 t4 I' y) L8 ]1 D) b
- onMessage(event);
% b+ W. m- g1 e! M3 T - };7 p2 d6 X& [+ ]/ H: U/ W
-
( ^) x0 Z3 a; d* E8 O+ ?+ Y( B# D& J - . w# r5 o* G. W# o% w, O) M6 a$ g0 j% }
- webSocket.onclose = function (event){
. w7 R5 y! L$ X4 l4 r - onClose(event);
( B) t T5 {! p. p% | - }
, G$ @9 S. M E1 F! j -
. r+ W2 V! `' X0 N! J - //关闭监听websocket& H$ O' K- {, d3 a3 o
- function onError(event){
! \# p+ X: f1 e% V - document.getElementById("msg").innerHTML = "<p>close</p>";/ C- ^& t. U$ }
- console.log("error"+event.data);
( `) Y$ P( R5 q - };' _1 i- j' _! ^7 h3 Y
-
3 A: R# ^( v1 N# r/ F - function onOpen(event){0 c6 u( ~$ F+ W
- console.log("open:"+sockState());
, }5 b4 @' }8 m9 M - document.getElementById("msg").innerHTML = "<p>Connect to Service</p>";" Y% t9 {1 \# E$ j- ~* h
- };
G) i- i9 A+ J$ w! r - function onMessage(event){* P. @ B8 h/ Z# T; L7 |8 Y
- console.log("onMessage");
: }( F( V* t: i6 b1 F - document.getElementById("msg").innerHTML += "<p>response:"+event.data+"</p>"3 O( k9 S6 }9 m% M8 D! \
- };/ j; J `; h& Q4 ?" F. S
-
; I7 O% w0 B0 n% C0 M8 `- K - function onClose(event){
2 v6 z2 K) H2 X - document.getElementById("msg").innerHTML = "<p>close</p>";
2 ~; j" A% | H, c- q# b- ^ - console.log("close:"+sockState());
0 ^6 A, U M1 _3 P" K5 y - webSocket.close();
7 p" c6 C+ k, _ - }8 N, }& d) Y( o
-
$ d+ K( Y- D4 \' o9 f - function sockState(){$ h/ F4 F$ |6 w/ a9 ~
- 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'];( i$ I! e9 N2 }5 g5 `( D
- return status[webSocket.readyState];
9 j" b- W" m# S% v4 x) G7 k5 q - }6 N0 y4 C: W2 D' ~& B# Q
- , B6 i, m5 s- p# u. J
-
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- function start(event){4 U D& i0 F* P, g% y
- console.log(webSocket);
: }2 z9 }, h g/ U; ^ f - var msg = document.getElementById('text').value;8 l* m/ S& c4 Q6 O- q' d
- document.getElementById('text').value = '';
% t7 D0 _7 z0 t2 r - console.log("send:"+sockState());% k* {$ W. h0 }- l- M
- console.log("msg="+msg);
$ Y) c5 A+ A( C# X# x+ U; d - webSocket.send("msg="+msg);
$ u/ I [5 q# W& W3 ^- J/ X - document.getElementById("msg").innerHTML += "<p>request"+msg+"</p>"
0 G7 M$ i0 e* f3 l2 Z& X' A: U/ g - };
9 i1 g8 D* i, @( v! V7 z8 ~ -
: R7 l; o1 D0 v8 t - function close(event){ Y$ |% y+ E: r1 E, T. B
- webSocket.close();) R5 a9 k7 N7 P) B0 t7 h' l, e+ |
- }' T9 ^% M" S# |2 Z
- </script>
+ I! ~+ l* I# I" Y9 P; F$ f1 c - </body>+ b X$ O) N$ H
- </html>
复制代码
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