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php实现websocket实时消息推送
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SocketService.php
* f& N$ U K& A+ L" j- <?php6 N6 k. Z6 a1 Q$ T) ?) q) M: \ `
- /**
5 q4 K9 ]* `# N9 Z+ C; D - * Created by xwx
, v* c* R |9 `0 X( ]' { - * Date: 2017/10/18, j9 F' c/ `: i( T- q% G# g
- * Time: 14:33
+ q9 K p0 C" r: L - */9 }. O, u3 d H5 s C" P3 H- [
-
6 B0 I6 m* c2 y1 ^4 m - class SocketService
6 N3 ?8 L" ] n/ u - {& D+ x- m0 Y6 k4 \" f7 E( ?
- private $address = '0.0.0.0';0 K- {( P0 T( _* z O+ |- f9 n
- private $port = 8083;3 k: q1 N8 m; W8 z, o" z( @$ P
- private $_sockets;" M5 ]3 V2 b3 Y7 O
- public function __construct($address = '', $port='')& h4 E% C6 u: K. P6 O
- {
, z- k9 p" a# a, d% S - if(!empty($address)){
3 }. {! }: b' f8 n$ O - $this->address = $address;5 H' P5 S3 m& s _9 r7 b! u
- }
( l! j, E" q- u - if(!empty($port)) {
- P# l6 \# \2 D' A2 Y& `" L3 C9 F - $this->port = $port;
0 u, X# y4 b; s( }6 f - }5 c5 b5 ^5 m. \, Q. g. c3 G
- }% g1 _* R6 l5 \ U
-
" M, q* H' {7 [ - public function service(){% P- }9 g O5 q) R* Y+ R
- //获取tcp协议号码。
3 x. I7 L% j: D$ N7 @ - $tcp = getprotobyname("tcp");
T+ k3 r5 O( W3 ? - $sock = socket_create(AF_INET, SOCK_STREAM, $tcp);% u7 `8 e; |1 }- S8 s) U: K
- socket_set_option($sock, SOL_SOCKET, SO_REUSEADDR, 1);9 d% B6 q3 K) M$ s; t' L" O
- if($sock < 0)
6 p7 y7 e2 ~$ `! T' X p4 L. q - {" H5 |3 \6 a' N- S% j2 U
- throw new Exception("failed to create socket: ".socket_strerror($sock)."\n"); Q" ?" Z7 z6 q \$ s
- }2 n) J4 w2 E+ D/ a% C$ c, r+ G
- socket_bind($sock, $this->address, $this->port);
8 l" x; f, R1 I* D2 h g9 F - socket_listen($sock, $this->port);' M/ g5 U4 P7 b5 J
- echo "listen on $this->address $this->port ... \n";
6 f, A# Y8 c: {: @3 A$ z' [ - $this->_sockets = $sock;( Q+ C. z; F2 [+ K6 W
- }0 @& c* }6 ~2 F8 N, w
-
" g# f% K3 b7 a' R6 I! g( `. l3 r - public function run(){+ t. N% m M" ~4 D
- $this->service();8 n# o6 \6 ^$ m3 g3 @
- $clients[] = $this->_sockets;
# h1 H& ^( q" i5 Y& }* G - while (true){
- I& g( J! }( z0 A4 n9 |* Z - $changes = $clients;
i0 v( Y# }6 v - $write = NULL;) C) i' Y9 j/ c3 m
- $except = NULL;! Y& v1 P; ?3 ~! ?( _
- socket_select($changes, $write, $except, NULL);1 r8 q, P4 d. ^' m# ^
- foreach ($changes as $key => $_sock){9 x" ~& d" _" m& H
- if($this->_sockets == $_sock){ //判断是不是新接入的socket
9 V0 |- n$ [5 l1 v D3 Y$ t - if(($newClient = socket_accept($_sock)) === false){
% J# O% C1 ~( T# W: U - die('failed to accept socket: '.socket_strerror($_sock)."\n");" k" Q( H7 S5 X; p/ C$ t
- }
. s2 t9 {) J5 x) \. `, o! d - $line = trim(socket_read($newClient, 1024));6 c, M1 Q- i/ O9 Q7 {
- $this->handshaking($newClient, $line); V# q& ^ t; c! a. b: G6 O7 h q
- //获取client ip
4 y4 r- S5 E: O" \ - socket_getpeername ($newClient, $ip);$ u" Q' z0 Q6 N7 g& r3 k# M* L0 {2 ~
- $clients[$ip] = $newClient;# d' A& C2 `" G1 e
- echo "Client ip:{$ip} \n";3 ~: ?# y L2 T5 P
- echo "Client msg:{$line} \n";
( q* Z8 b6 C9 a' f( x - } else {1 s: _) J5 R# X
- socket_recv($_sock, $buffer, 2048, 0);
9 P. f% h$ }9 h3 j+ ^ - $msg = $this->message($buffer);
, a' q" x: i2 ~9 K5 n* E - //在这里业务代码
1 N6 k0 V1 \/ @' v; M - echo "{$key} clinet msg:",$msg,"\n";8 ?2 C# t) M$ q: r- x
- fwrite(STDOUT, 'Please input a argument:');
7 }! a5 y2 E: L* v" }* Q - $response = trim(fgets(STDIN));/ z% u5 v }" O. w1 q8 a3 J( c
- $this->send($_sock, $response);3 B7 x: Z, n5 L; C% b
- echo "{$key} response to Client:".$response,"\n";# h7 L4 v9 K( ]* S/ ^$ B9 t
- }* n& } z' z# M1 C
- }
0 D1 W- q; }0 [0 [ - }
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- . F7 D4 p" U' z4 d; Z
- /**
( j0 H6 e' G! j7 @: `4 s5 K - * 握手处理$ v$ _& V, I4 l
- * @param $newClient socket
" u/ L1 Z; Z. u+ b8 @+ j; d( y - * @return int 接收到的信息2 d5 ^, U, R( j, }7 M2 L. C; b1 T
- */
" Z0 J2 u( c. o, W& F5 R1 R - public function handshaking($newClient, $line){" ?2 n( n! w& a! @4 w1 a
- 7 J3 a6 s E0 j. I0 @% M
- $headers = array();8 S1 {7 b- U0 i2 \* [
- $lines = preg_split("/\r\n/", $line);
! r6 Q/ n! c# M' ?. f# h( J - foreach($lines as $line)
4 U' ]$ S y& K6 h% ~+ T2 _ - {
+ ~7 H/ M# M7 G1 h" ?) M* b" k - $line = chop($line);7 p2 g. w, p( T+ |9 S1 |- I6 R8 v
- if(preg_match('/\A(\S+): (.*)\z/', $line, $matches))
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- $headers[$matches[1]] = $matches[2];
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* A& v: U. l" R, y' y, h - }+ M& H: p9 E& q9 w- X- _0 x
- $secKey = $headers['Sec-WebSocket-Key'];
- a- c1 a, f6 h9 X6 K - $secAccept = base64_encode(pack('H*', sha1($secKey . '258EAFA5-E914-47DA-95CA-C5AB0DC85B11')));0 v8 g g) _; Y# `
- $upgrade = "HTTP/1.1 101 Web Socket Protocol Handshake\r\n" .1 [9 d1 C# K5 s
- "Upgrade: websocket\r\n" .
1 B( _! r, x, i1 D - "Connection: Upgrade\r\n" .
5 s: B; I" d2 s& _ - "WebSocket-Origin: $this->address\r\n" .: K. I- y- ]1 `, S- l
- "WebSocket-Location: ws://$this->address:$this->port/websocket/websocket\r\n".
5 k' n3 |8 x5 S; h4 |5 t' v - "Sec-WebSocket-Accept:$secAccept\r\n\r\n";
9 [5 V C4 }$ x& F& W6 U - return socket_write($newClient, $upgrade, strlen($upgrade));/ F: @ K: \9 U7 ?) K3 c' Y
- }
/ C& ~' l6 \1 R1 y) X* G } - / p# o3 k9 \# V2 ^3 ^
- /**' g* M2 [, u/ _5 V3 R$ ?, i2 c
- * 解析接收数据$ s7 S. e" \( d4 r4 w: a1 C8 ^2 {
- * @param $buffer# u, n( c0 t) ]9 c, s# q$ v
- * @return null|string4 ^1 ^' I# X! S5 z# P1 w8 ]
- */
8 o! k2 K8 m- o% Q5 {7 t0 e - public function message($buffer){ t8 ~* l$ D+ B0 b* z
- $len = $masks = $data = $decoded = null;* _8 A/ L+ F/ s+ A
- $len = ord($buffer[1]) & 127;
* R0 N9 E$ L& a% ?" t - if ($len === 126) {6 s5 O& h) K* E$ {5 E; I+ _
- $masks = substr($buffer, 4, 4);
6 f, e( {3 y" {( x; P1 C, e' c; a/ B - $data = substr($buffer, 8);3 O' o. R4 N2 R/ y" D' w
- } else if ($len === 127) {
0 W- K% ~3 l j, [9 n - $masks = substr($buffer, 10, 4);/ n* s. |! o; [# W, i! B+ D
- $data = substr($buffer, 14);
; A$ B& j! s' ?0 C# ~) `& N - } else {
+ o: j; l2 H( x: F6 L& `% O( W- Z - $masks = substr($buffer, 2, 4);
3 k$ G: I" ]+ i! Q - $data = substr($buffer, 6);$ v i( v% N# v! N6 l! u% E" ]
- }
; W1 U6 g' k0 a2 y; K - for ($index = 0; $index < strlen($data); $index++) {$ _* W" b; ]/ @7 h( `3 p* O0 ?" _
- $decoded .= $data[$index] ^ $masks[$index % 4];3 A, u' L/ Z: m4 V1 E
- }
5 `( z, e; e; a M& O# ~5 a - return $decoded;
4 l0 U" ?+ q* m+ d$ A% l+ Z - }
4 Q4 }4 Y+ v. g" v" p j( G6 s3 r -
& g {% X4 L n) H6 ^3 l+ v - /**
1 a/ O* K* t1 N1 s2 Z- g - * 发送数据# e( U, w6 @" q3 V
- * @param $newClinet 新接入的socket
* o$ E; @* F7 \8 t( @* x5 V0 M - * @param $msg 要发送的数据
4 `+ P7 k3 p' w6 l; i8 O - * @return int|string9 A" ~& W9 ?" o8 U3 W
- */
/ K4 }4 O+ d* a* Z8 K. d - public function send($newClinet, $msg){9 D V7 I# a1 N% E! h4 b/ U- Q( q
- $msg = $this->frame($msg);$ W0 z8 r1 U- ]+ |. R7 d( [1 M P
- socket_write($newClinet, $msg, strlen($msg));
" w5 R) n' A. j) y$ h C) _- @) o - }9 t2 Z" \- E' b$ y, q% I( ~2 ]
- " ~2 z) `; n' [
- public function frame($s) {: P( y7 x3 V" s
- $a = str_split($s, 125);
. {& x/ r5 A/ }3 F) p* G - if (count($a) == 1) {8 Z: B' r7 K! ]9 I9 g
- return "\x81" . chr(strlen($a[0])) . $a[0];
9 L C! A$ M; i1 A" A - }
( e4 y* q1 m$ j9 R1 b# v& V V - $ns = "";
! l$ @* H1 g- K% V( ]& @% | - foreach ($a as $o) {
5 c, W5 g0 b9 b6 t: b - $ns .= "\x81" . chr(strlen($o)) . $o;
; P, h, j& s1 b: H6 J5 ]1 x9 G! a - }
! i5 F( `3 w1 \. ~: }) J/ p - return $ns;% ^0 s5 G- M- p- ^0 V) c1 Y* [, |8 q
- }
0 C- ?. s& n* B% G0 ]( L -
" G: d, L& q% z" R; o+ b7 _2 A - /**4 q- o4 ~% o: L2 O! C
- * 关闭socket
J$ ~) n* k- C% S V9 s+ Z& Y - */( b4 C7 D& V8 q1 B5 W5 W
- public function close(){
7 d o& l( A3 n5 t, b; C - return socket_close($this->_sockets);% r$ ?/ T. [, p: c7 H
- }! R3 L/ L6 j! n; B1 A
- }" M3 t$ B6 D) V9 T7 a
- ; h0 \8 g! q% O( [9 C4 Q( Z
- $sock = new SocketService();
) }: r' _& d. S9 L l* } - $sock->run();
% D- }8 C: _7 y9 l - ) a) \$ d6 }& S4 c( a+ o! H- n
复制代码 web.html
2 F# c1 a A; @2 Q' e8 N- <!doctype html>' D3 ^3 i" H5 Y2 o: h1 n% r3 A
- <html lang="en">
1 \7 m ?9 I7 r7 X" |8 D6 x" } - <head>
* H/ h* m4 G1 [8 c# b8 x; b - <meta charset="UTF-8">* z% D I; `2 G# V( D Z
- <meta name="viewport" content="width=device-width,initial-scale=1, maximum-scale=1, user-scalable=no">" ]% g; X$ y# w1 X4 B7 }( d
- <title>websocket</title>6 J( _0 A, x0 w$ T4 `8 C) u
- </head>
/ h+ q w' o0 m+ I6 I - <body>2 S+ F% O9 j9 P/ P
- <input id="text" value="">
9 F; c( _+ i- x" D& |$ K* @2 V& J1 B - <input type="submit" value="send" onclick="start()">
4 @& |4 G6 `9 ]7 b' [' q - <input type="submit" value="close" onclick="close()">
7 E' |6 | z& b. b! }/ } - <div id="msg"></div>( l% D5 q: {& g& G. i, q/ k
- <script>
7 `* S( }$ E$ n - /**7 G0 ~0 m. x/ m+ R" `
- 0:未连接* c- q( M3 R" N, }3 A" W, o
- 1:连接成功,可通讯' T8 S1 n. Q9 j6 X- }) x
- 2:正在关闭: e1 y$ A$ J: m7 F
- 3:连接已关闭或无法打开1 M( v' X; ~1 C# L
- */
, p+ r/ C3 z' Q; k" P -
5 t( w1 q, g$ t" M% Y+ V - //创建一个webSocket 实例
$ [) t2 G; J3 l- ` y4 g' G' Z - var webSocket = new WebSocket("ws://192.168.31.152:8083");, D1 ?% O2 N- r
- * P: ]7 t; G% I" ?
- 6 Q$ X4 n% A3 J7 o1 C# [( u% ~
- webSocket.onerror = function (event){! p+ c( A- V2 _) k7 |' j: S& n* }4 n) L
- onError(event);
* A& _- Q @+ u" O. P" K2 S' x - };
: |% _6 z- Z) f8 e - , r: ^% i+ R0 ~5 Y9 t4 t& O) X0 w
- // 打开websocket( R/ | _' s% O' Z" d( K/ t, u
- webSocket.onopen = function (event){
4 v/ \0 c* K: Y6 _% k0 I - onOpen(event);" C/ p( I! Z o1 P2 q
- };+ Y/ m% M9 Q% z% p4 c! X! t$ [
- ) B" \$ q/ X X# \
- //监听消息% N i* c/ Q# X6 c5 u B
- webSocket.onmessage = function (event){
& S2 O5 q. O$ l; H8 C: \$ s" e, L - onMessage(event);6 p9 h0 m* s* d2 C$ w2 W* U
- };
1 b' r+ T7 C' M8 ^5 v6 v -
" C5 M/ E: w- p5 }" r3 b* h' a- o - 2 [- K" }+ T. G- o
- webSocket.onclose = function (event){
0 o* O8 D& [# `; J, P3 s$ B/ T' Y - onClose(event);4 n$ |0 ]" f& e# k, h2 M
- }* x# o; U- x: n
- 4 b0 O( \0 v N
- //关闭监听websocket% d+ V, [9 c* k( p S
- function onError(event){8 x2 T1 g3 |- W8 z& L* w6 [5 Y9 m
- document.getElementById("msg").innerHTML = "<p>close</p>";
4 k. b4 W& r. B9 }, p% v - console.log("error"+event.data);
) y/ h( Y5 @7 g+ G* {& D - };. {9 E( [6 n9 ^8 F! c- _
- # n0 B3 j$ }, E
- function onOpen(event){
+ d6 ^0 Q- U' ? - console.log("open:"+sockState());
' d8 W) _* W8 T" d% [ - document.getElementById("msg").innerHTML = "<p>Connect to Service</p>";
' q' F$ C6 s" W0 z$ k+ O. `+ T5 V, h) O - };+ R/ u! e! R3 f$ R, {0 f/ w" U
- function onMessage(event){
; e8 ^5 Q. X y! X - console.log("onMessage");
o8 T% l: d, K- O3 W6 I - document.getElementById("msg").innerHTML += "<p>response:"+event.data+"</p>"4 Y+ Z# c" V% J, l. M7 Y
- };' p' F" `/ L" Z9 R
-
1 ?# d3 k, q3 B4 N( X/ a$ S. h" a - function onClose(event){
8 M% ~) u% M1 H" a# l+ r( E @6 e - document.getElementById("msg").innerHTML = "<p>close</p>";
7 j7 r% t% c) q# B - console.log("close:"+sockState());
H% c/ t7 e6 r8 C N- |" V - webSocket.close();
' m. t7 T! I" H3 W/ u$ \0 \ - }- ^1 u" M, S7 M) b F6 r: |
- % Q: V% N. S( y' u+ U. [
- function sockState(){
9 o% `( ?1 i5 B, b; ^8 q' 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'];
7 w0 a4 F( F1 C9 [/ R* Z. s$ ] - return status[webSocket.readyState]; @- N* S1 [! D8 A
- }
* h: P9 m) a; J C& {* |: I: a9 k7 D$ @ -
- Y+ K% |3 E- `1 q9 w/ ?+ w' g -
3 w% z. q0 Q1 w3 [6 E) V! E - % [: M: _! n- t
- function start(event){! Z3 W- G6 z/ N j
- console.log(webSocket);/ ~& \' I# N6 A
- var msg = document.getElementById('text').value;
. c, t- o1 O- H$ a6 x" \ - document.getElementById('text').value = '';8 ?! P6 y2 x: r; H/ a" u E! g7 R
- console.log("send:"+sockState());! E, t) o4 b5 z- W d
- console.log("msg="+msg);
, ~ U- E- _: i$ s - webSocket.send("msg="+msg);% O+ U& j4 W+ w- Q- G$ Q5 B
- document.getElementById("msg").innerHTML += "<p>request"+msg+"</p>"
& ]) d4 R2 y6 v. X - };
6 `( U9 h1 E1 {* v E5 ?* b - 5 _8 G% ]/ |' B* X% d# o+ T
- function close(event){
& I1 E5 e) q, T/ n, a) L$ J - webSocket.close();7 h9 D4 {! H: J* M
- }
) l! [6 E$ s, ~( [& |. O: {# m, [; ` - </script>
7 I- H3 k w) K. i- d& q3 m - </body>
+ e* s' U% A1 f& C - </html>
复制代码
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