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php实现websocket实时消息推送9 G6 }2 J8 m- u: `7 l% k2 J9 t
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0 g. c9 t/ J+ ]7 K$ iSocketService.php
0 [% l, ?; e0 a6 u7 ]- <?php
. ], D i% I) y4 ?0 u2 } - /**
4 P7 ~# g1 O* ^8 w$ e - * Created by xwx
, x# b/ [* R) i5 ^ - * Date: 2017/10/18
6 D- s `- C' l$ K$ p - * Time: 14:33
$ F- ^$ f* Y7 [+ g+ a7 ~. A - */' @$ @+ z2 t# C( q% I
-
3 r7 z: \% s7 r( C J4 j: [ - class SocketService
6 `; _ p5 s- U5 V* A* s8 @ - {- |8 D; ~2 p9 v
- private $address = '0.0.0.0';9 q* f4 }1 b1 q* o
- private $port = 8083;
' j. \* F0 |" p - private $_sockets;
4 ]; @6 q! S% r. h - public function __construct($address = '', $port='')# ?' z+ [8 r+ @: T
- {! N0 i2 d2 x( j# h
- if(!empty($address)){
. O9 A& W8 ]. T. Q& N& w* F - $this->address = $address;
8 o5 R0 Y( A% R& c/ u* f" W- l - }
& P) C. k/ ?9 }. v. @ - if(!empty($port)) {
7 H8 o1 p* Q8 T. i$ B% L$ ? - $this->port = $port;
/ f8 ?- a9 c' { - }
& ^ H6 t8 E9 ~! t5 n: B% H - }
) {/ ], R7 R1 v) N2 c7 S -
/ w5 W7 E3 x3 w - public function service(){
+ @, q' Q: ^, p, z5 Z3 p0 {* D( O - //获取tcp协议号码。
+ n, m, m) p0 I% u* r - $tcp = getprotobyname("tcp");) A# p8 j- b2 I5 ^8 D: f
- $sock = socket_create(AF_INET, SOCK_STREAM, $tcp);. t0 u- L9 X* w
- socket_set_option($sock, SOL_SOCKET, SO_REUSEADDR, 1);% |) w. }- W, B: B6 X, q
- if($sock < 0)
- U6 _2 T6 ]3 o9 d: y - {
: g) Y: Z/ S9 Y7 x) G - throw new Exception("failed to create socket: ".socket_strerror($sock)."\n");& P- }( S1 X$ l4 P) v1 g
- }
: U# ]4 u5 }0 a# S( S% H& g - socket_bind($sock, $this->address, $this->port);
" d4 g% c; l5 E4 R - socket_listen($sock, $this->port);
& y/ b* n& w: S$ t! Y - echo "listen on $this->address $this->port ... \n";$ g2 ^& p! W2 E6 D8 K
- $this->_sockets = $sock;& `% c8 R/ {9 Y% {# d; G% R
- }
0 H9 u1 e. d) n* X6 K - + x! }9 g8 e& M5 d$ A/ e
- public function run(){
5 a8 d8 O, U* E$ h3 a' B - $this->service();2 B6 F0 p& v7 j2 c5 B. g: C
- $clients[] = $this->_sockets; x9 r7 S7 ~: R+ ^- N) t1 y: a
- while (true){1 f) @: d$ ?( U- y8 E5 ~4 E/ E' m
- $changes = $clients;# g9 |* I( m+ ~; O: R; `( `
- $write = NULL;
! A2 o2 E% p, j6 ]' z1 W) ` - $except = NULL;
3 {; x- |5 j# R; A - socket_select($changes, $write, $except, NULL);. Q4 j" I4 q/ a4 @
- foreach ($changes as $key => $_sock){
4 O% b( z! d" @ - if($this->_sockets == $_sock){ //判断是不是新接入的socket4 R- e( J, C( M9 m9 ]$ d! c/ H# f
- if(($newClient = socket_accept($_sock)) === false){
( B& ^% i7 b( s; s8 ]2 d* y - die('failed to accept socket: '.socket_strerror($_sock)."\n");
. v, F$ @# Y- l. F - }
5 i' l# B" X: R. X2 {3 P - $line = trim(socket_read($newClient, 1024));4 D9 A6 F' |1 Q0 ^+ k6 |
- $this->handshaking($newClient, $line);
6 `* A2 ~& C, o* d - //获取client ip# O- ?- ^7 Q m) i" F5 J! k2 v3 I2 ^
- socket_getpeername ($newClient, $ip);
1 F( j! t( w6 P. }+ c/ G. v5 X - $clients[$ip] = $newClient;
3 i7 c2 a: g8 K# \2 ~7 F! k - echo "Client ip:{$ip} \n";
* ^# Z! p; }: H - echo "Client msg:{$line} \n";$ E- l! m+ Y+ S& J# g/ d0 ?& ^
- } else {
' H* R" t t9 K2 h+ J) D7 U# p0 ? - socket_recv($_sock, $buffer, 2048, 0);$ F' m) j4 E. Y$ A! d
- $msg = $this->message($buffer);
n& ]% G9 E' B5 M# h - //在这里业务代码5 N& Z* ~' L0 q/ @* v4 w
- echo "{$key} clinet msg:",$msg,"\n";: Y0 x0 B* W9 J& g; [/ R6 T
- fwrite(STDOUT, 'Please input a argument:');
( I5 u5 e7 x, _/ Z - $response = trim(fgets(STDIN));
; c2 j9 U/ b! _! o6 t3 x - $this->send($_sock, $response);$ S. |6 Y1 D" D5 @$ f0 [
- echo "{$key} response to Client:".$response,"\n";
( {0 N. w6 E6 }; m - }# D3 Q! Q+ J# ~, v+ U4 R. e
- }: I( i0 Z( E" G* t7 ~7 y+ h7 `* ?" Q
- }0 [* z# ] b) O' m! @
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-
5 J3 y* t! @ n2 X9 w - /**
: S! T0 V* O6 \/ v - * 握手处理
0 A) w1 T% b$ ` - * @param $newClient socket. O# c3 J" A) F( Y0 W' v
- * @return int 接收到的信息5 a% p8 d4 O' ?/ b
- */
8 `3 o9 [; ^1 r; V" V - public function handshaking($newClient, $line){2 v" T7 i& Y0 r
-
8 R% g; U; N4 U& [) ~ - $headers = array();
$ f6 ~: E4 z$ B1 M0 g) ` - $lines = preg_split("/\r\n/", $line);5 l+ {( ~, K% O, @
- foreach($lines as $line)- n5 E) @) d( u# S
- {1 Q1 P0 |4 j4 K& ~% {
- $line = chop($line);/ R+ H+ {. W c" _8 q& N
- if(preg_match('/\A(\S+): (.*)\z/', $line, $matches))
0 M5 Z" }7 Y `& K - {
! h; X; ^9 |7 R7 ^. | - $headers[$matches[1]] = $matches[2];
. t% \4 ]/ |5 y) ?" v3 v - }
$ I0 [) u# ~( e% G0 `, S# l! l - }
9 V: J `: k- \, ]# R5 R - $secKey = $headers['Sec-WebSocket-Key'];
' V& G7 ]- _* u. Q. W+ O" D8 E! { - $secAccept = base64_encode(pack('H*', sha1($secKey . '258EAFA5-E914-47DA-95CA-C5AB0DC85B11')));4 F5 M/ U2 P3 N# e( b5 R
- $upgrade = "HTTP/1.1 101 Web Socket Protocol Handshake\r\n" .- |7 w7 w/ i9 [% s" w
- "Upgrade: websocket\r\n" .# K; T; j' X8 [; k5 [
- "Connection: Upgrade\r\n" .
; a# q f( F2 R6 R% ` - "WebSocket-Origin: $this->address\r\n" .
# Y) u2 W; a. S - "WebSocket-Location: ws://$this->address:$this->port/websocket/websocket\r\n".
6 V/ |; n, ^+ S; K2 V, F f - "Sec-WebSocket-Accept:$secAccept\r\n\r\n";5 p* w" Q [' M9 |! M3 _/ Y
- return socket_write($newClient, $upgrade, strlen($upgrade));
. P/ ]0 `- `4 k' m - }
! M4 }/ o+ ^9 t$ x/ x -
/ n6 t9 j U; U& k, f+ Q - /**; l$ i- x% \5 \! @1 k
- * 解析接收数据
( ?1 D( L. R/ g5 A# E# u P - * @param $buffer
: z* @9 ^3 V& e) X& b+ t - * @return null|string! Q- b- [% a* M1 i
- */3 Q: K. A, B5 _# F8 w
- public function message($buffer){
+ O2 n! r2 U; U8 F/ g - $len = $masks = $data = $decoded = null;2 G& }2 w2 r9 C+ X& h4 `4 f3 \5 E/ A
- $len = ord($buffer[1]) & 127;$ b" T6 i$ y; q* s+ v8 {
- if ($len === 126) {
" @$ q6 ~& j$ O5 j T - $masks = substr($buffer, 4, 4);) U) E: J8 B5 a( c" G' u- p U
- $data = substr($buffer, 8);
; H W2 Y* }& E @- q0 s; X6 M - } else if ($len === 127) {2 x; ~& g- T5 A% X0 R- w3 D
- $masks = substr($buffer, 10, 4);" O+ e1 B: ]0 e5 n% Z. p
- $data = substr($buffer, 14);- Y4 W. _# Z* m6 g' i
- } else {
' v$ `% C( `. g) U- | - $masks = substr($buffer, 2, 4);
( g* X' m! K2 Y- G! D. A - $data = substr($buffer, 6);
* b ]2 d2 W9 Y. o- {) J/ w N) ` - }4 E8 p) a/ z9 Y+ L! N _& V
- for ($index = 0; $index < strlen($data); $index++) {8 ^& l" w8 X! x' e
- $decoded .= $data[$index] ^ $masks[$index % 4];& A# n' {& Z5 ~/ R% f! Q3 b
- }6 K1 K* ~2 ~$ `+ g
- return $decoded;
! \1 |6 t% G, O1 b; ~2 [ - }
" j' S7 {9 `/ x G* v - 8 `8 q+ ^. P8 B" u" |
- /**' `6 _/ V8 ~1 _7 S5 a
- * 发送数据
% J2 y8 T h: b5 p7 S8 y - * @param $newClinet 新接入的socket# N) Z1 L: t6 I
- * @param $msg 要发送的数据* s# r% g$ J1 q; ?7 B4 F: y' ~" V$ O+ G
- * @return int|string
4 X5 G$ Z. t. B0 A9 @! | - */1 ~5 R1 |! @2 {% O
- public function send($newClinet, $msg){3 p6 [2 c( ~) t I
- $msg = $this->frame($msg);! L) U6 c5 H4 N7 J# e$ y
- socket_write($newClinet, $msg, strlen($msg));9 M6 Y4 X$ P) ?% b3 {4 Y' w
- }# O- a1 q6 s% A3 ^; k
- 9 n$ |+ }1 J$ k2 s' D4 ?6 {6 s% q
- public function frame($s) {
0 V, _2 K1 @& h - $a = str_split($s, 125);
; P$ p( u" ]) f- t; ] - if (count($a) == 1) {. q' ` W6 U' N, h1 T- T* c
- return "\x81" . chr(strlen($a[0])) . $a[0];# \* S& I. N8 K V' Q
- }
0 z/ p2 c5 w F$ o; S4 K& q+ @ - $ns = "";
- d0 L) Y5 o) @" M2 j" Z ? - foreach ($a as $o) {1 w( E4 x5 ~2 g z S- X& L
- $ns .= "\x81" . chr(strlen($o)) . $o;% B, N8 c4 a7 c4 T+ ~# K: |' {
- }
3 D# [2 a0 `, x) @, v' q - return $ns;
% i$ l0 d+ \: D% |& F3 w' o: M* S* Y - }3 z, E& ]: d# D1 @3 E
-
. H& x3 d& x$ l1 N: {, d - /**
( \ K" P9 J R5 W ^3 F - * 关闭socket h- G# m4 j* w9 f$ Z8 k
- */6 D+ l, h ~ I
- public function close(){( P9 b2 I' u$ N* C H! g2 L4 s2 i/ n
- return socket_close($this->_sockets);8 \8 n% ~/ P, \9 z7 s
- }( W6 ]* @# q9 n* ~
- }
9 n1 S9 y/ p* U6 \ -
# }( k9 ~$ X- s5 S) y) B" x - $sock = new SocketService();& C4 h% g) t. y7 v+ C7 q) i1 e
- $sock->run();
, o3 q% F6 ?% ?- d5 i; T
) @1 i5 T7 G. `
复制代码 web.html
5 z; L4 `( {* }+ q- <!doctype html>3 i% }" L- j6 O x0 F6 n7 c1 Z2 X
- <html lang="en">
+ ~5 g' m5 E# m2 ?/ q: S' o4 P - <head>8 `/ ~2 s3 U& A- ?1 o9 {5 g
- <meta charset="UTF-8">
- x/ T( R7 D4 t9 W - <meta name="viewport" content="width=device-width,initial-scale=1, maximum-scale=1, user-scalable=no">+ |, l2 l' @5 \+ b" _
- <title>websocket</title>
! c+ j) n/ I' X5 p# }# _) E8 j - </head>
7 h+ p7 x, `+ A% A6 m - <body>' X0 W; T) Y: H7 i1 a/ O
- <input id="text" value="">- U' O: F( v7 i6 I& |5 _3 y
- <input type="submit" value="send" onclick="start()">
6 p. }" M( F& Q, y. T4 P - <input type="submit" value="close" onclick="close()">
4 {9 q6 ], h, I( [( p9 c' B) ]9 Y# y - <div id="msg"></div>
( i! d% u) F4 R - <script>0 q" o' m! |: f. J9 Y
- /**9 i. W% ]6 \2 f$ I! L. W8 ~% _
- 0:未连接
* E# O. U- x" W( L. j6 V - 1:连接成功,可通讯4 f* Y, u1 m3 J+ t) G
- 2:正在关闭9 z% O9 V1 Y: o( } T
- 3:连接已关闭或无法打开- p! Q! A ~3 E* H1 P9 n' R
- */8 e( F% Y6 q' G7 ?# ^
-
& N( G2 Z9 K9 F. m - //创建一个webSocket 实例
& }) `8 [2 \; w2 v. G - var webSocket = new WebSocket("ws://192.168.31.152:8083");
* ~7 [- t! T, J8 F0 I$ M1 ]0 O: X -
! S( j; t. w# z- q; T -
6 y( d8 y" u+ R& Z: H) Q9 z - webSocket.onerror = function (event){
% f, L- n. b/ V$ ~ - onError(event);
4 o1 _6 I& d' P - };
z9 B; ~% g, H: ? - + O B6 i9 G& i6 j) _9 W3 K
- // 打开websocket
7 z' A, W$ N8 j) m3 v7 k8 B- { - webSocket.onopen = function (event){
+ M6 o+ ~/ b6 H: b) Y - onOpen(event);
, B1 k! ?6 f# A7 i# u+ k @ - };- {2 h, O. i* g& r" |
-
7 S f( x$ A3 `- g% ~ - //监听消息
# I1 j4 w: r0 ` - webSocket.onmessage = function (event){
' Y' f& b4 n2 y+ ~ - onMessage(event);
/ `3 w7 D3 ^. G' C2 f# h - };
7 V. j- Y5 T k6 \6 ^* `( s -
5 o7 w9 z) t1 C S - * q; S5 P k% N* _8 i* ]. Q
- webSocket.onclose = function (event){. N, v8 Q- @/ A, O
- onClose(event);
3 ~! F( Y( z/ x5 z4 T0 L - }$ b+ R8 `6 a+ ?; q
- ( _& b- J, O. D! w1 \
- //关闭监听websocket7 I* A, [% t, ?# T0 B/ u
- function onError(event){9 o6 L# C: N* l1 I' d0 ^
- document.getElementById("msg").innerHTML = "<p>close</p>";6 e0 W% z; ]6 R, T* g, s
- console.log("error"+event.data);
5 @9 L) B4 E9 d& Y! P5 X1 _ - };
% B1 J" G7 _2 c( R) q+ s - 0 \( j1 B3 l, B& s1 x7 i' b
- function onOpen(event){; K5 R$ m# a1 a% {# Y/ o! Q# r
- console.log("open:"+sockState());" J1 ^% B7 K, v
- document.getElementById("msg").innerHTML = "<p>Connect to Service</p>";! t! p2 P, J% `+ ^4 g" E6 {
- };2 g& t/ V2 E, l( ^6 h( [
- function onMessage(event){
) g& ~( y7 {) y; \2 u - console.log("onMessage");7 `: w t# T8 v* [
- document.getElementById("msg").innerHTML += "<p>response:"+event.data+"</p>"2 O# i/ [& \$ U
- };
7 U4 s5 F( y( V1 _ -
. A6 c& S' M0 L- p/ X2 f - function onClose(event){, ^" Y9 l! s6 m# e+ c. P Y; T& d
- document.getElementById("msg").innerHTML = "<p>close</p>";
: {0 r) }8 x: f& b/ I7 u$ N - console.log("close:"+sockState());
& g( V g8 F! m9 X* ? - webSocket.close();1 @3 I! z! y0 Z2 `) G
- }
) P6 d5 A# T/ Z. I8 c1 c$ s9 _ - 1 o) Y! R, P x% V+ r
- function sockState(){0 h- b1 U( ^/ P3 {9 t, A( R
- var status = ['未连接','连接成功,可通讯','正在关闭','连接已关闭或无法打开'];
~/ V" N4 h0 K) M - return status[webSocket.readyState];
& x+ \; c0 f; E* z; q$ \. ` - }5 z, M5 j* k4 h, e3 q
- ; u# ]& c' h! |& ^" [; \
-
4 a- n" ?$ {2 B - 5 ~ _5 H! f. i& u) Z
- function start(event){5 V( }# X E9 m4 w5 J6 O
- console.log(webSocket);# j* S' P8 m5 ~0 m; A
- var msg = document.getElementById('text').value;
% E0 o3 P3 E* l1 v- ? - document.getElementById('text').value = '';
; {8 R5 t0 q7 m* a4 D - console.log("send:"+sockState());
5 Q) B @: b1 h& H2 W; Q% U - console.log("msg="+msg);4 M$ I( ], I9 z& i3 x8 O; k3 f
- webSocket.send("msg="+msg);
6 m5 u$ s0 Y* f# c; |2 U: M - document.getElementById("msg").innerHTML += "<p>request"+msg+"</p>"2 g% l H. ^# F# V5 F
- };; L/ ^3 t4 L3 j0 S ]0 x* C7 X
- 5 _8 o& D" G; Z
- function close(event){' D) q( R7 t" C W
- webSocket.close();
; z* f9 B4 ?7 b; o4 f6 r - }+ w! N8 [: t8 V2 t
- </script>
, U/ j, c& E5 ?, q( ` - </body>
, X6 p5 b \) U, Q8 M& i9 n+ H8 @6 O - </html>
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