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4 M [/ H) C: {, E% d: J; C
6 L3 T" f5 o" ^/ b7 D
( c, ?( `2 J2 XSocketService.php/ w& F8 C+ E: L s/ |
- <?php G7 s0 X& d4 F8 s; O$ ]* K
- /**( ~: y( {" m$ x5 l2 E
- * Created by xwx9 g& e. M4 l, C7 F4 ^8 k# F
- * Date: 2017/10/18
% a8 y U* F3 p* G+ @( [4 g - * Time: 14:33
. C5 S( u2 L0 J3 y5 N - */ ]: T% ?6 }2 ~' J4 R: r7 o) o
- & g$ N- l3 z& c
- class SocketService
+ M$ ]' d$ {$ H$ L - {
\8 l4 V' }* L! D. ? }0 r7 R& V - private $address = '0.0.0.0';# t7 q- ]3 A( a
- private $port = 8083;; U! A2 {+ H; p5 V
- private $_sockets;# H9 ]5 ^2 `6 c# m3 N& u
- public function __construct($address = '', $port='')
5 f. ~2 C9 @, I* e! p - {
1 m9 ^* L6 i9 o( w+ z8 I) ^ - if(!empty($address)){
" D7 b" w- V7 ?8 [* B, g - $this->address = $address;* D% e7 l' F2 H
- }
3 ~, @3 e+ K2 E# ^ - if(!empty($port)) {
) b( \& R9 t7 @1 a: g! A - $this->port = $port;3 ?/ c. p' X; Z G' L: B0 @
- }
4 D5 e; h$ `! y* R! C- { - }
" U8 n5 a: b% L9 ^! S- m& ^ - * @5 ]8 t- _9 I* N+ R
- public function service(){$ k' }5 i3 v* i5 p" s' I$ f1 l3 d
- //获取tcp协议号码。& X# L8 M% G. T
- $tcp = getprotobyname("tcp");8 _7 f& p# \3 ^
- $sock = socket_create(AF_INET, SOCK_STREAM, $tcp);! o1 i+ V" Y' D8 r
- socket_set_option($sock, SOL_SOCKET, SO_REUSEADDR, 1);
& m" W+ e6 S$ A1 ` - if($sock < 0)# i; {$ ], z f6 O6 i0 C2 }
- {7 D' m0 I2 D: s0 E- F& \5 k: K5 U. x" F
- throw new Exception("failed to create socket: ".socket_strerror($sock)."\n");
9 C4 _% Z* C& f1 R2 t9 D3 z: M - }
+ p) N) J8 I. o" b5 W. [4 J - socket_bind($sock, $this->address, $this->port);
$ \- B8 z) ~5 g; z: X: f, `! i* e - socket_listen($sock, $this->port);9 X# H" I1 G4 t V5 t: b* P- Z" S
- echo "listen on $this->address $this->port ... \n";
, U t2 \$ y. M- J/ u2 g; k3 T# m - $this->_sockets = $sock;
! L3 i v- C2 \* o - }
6 o7 W0 R$ ~2 @ W7 Z) V& c# U+ M -
+ n9 L% G2 K6 e- J: ? - public function run(){) n: o5 S6 _. N6 i$ {
- $this->service();: i7 e' o; T; c' q3 S
- $clients[] = $this->_sockets;
8 c. T: d& r( p, y" a6 Z, c - while (true){
6 L. i* G; H# ?, G6 ^3 a6 H - $changes = $clients;; w& V; o+ e0 M% B" ~1 Z! M+ q; h: L
- $write = NULL;: X5 [) [0 T; ?6 f5 a4 A4 n1 }1 _
- $except = NULL;
& W6 E$ g' A6 e - socket_select($changes, $write, $except, NULL);
( m# _0 N# {4 i0 W) } - foreach ($changes as $key => $_sock){8 @) q% z! |4 T$ s) D1 P+ H
- if($this->_sockets == $_sock){ //判断是不是新接入的socket; @. H# s. w8 _# u) S
- if(($newClient = socket_accept($_sock)) === false){
! g1 `1 O; Z# S" x1 u - die('failed to accept socket: '.socket_strerror($_sock)."\n");
' V, p; _! k4 A' Y+ } - }2 k$ J( A r8 w
- $line = trim(socket_read($newClient, 1024));
: w$ L% H% r. I* {" Z - $this->handshaking($newClient, $line);9 E; B+ |/ f# x. Q L3 m' k
- //获取client ip$ O/ h. Y4 E0 v# L0 }6 C
- socket_getpeername ($newClient, $ip);
# {8 A( h8 x" x6 t4 R; N% l: q6 C2 s - $clients[$ip] = $newClient;( M% u/ E+ \& X0 |
- echo "Client ip:{$ip} \n";; t" W- R* h4 X. [
- echo "Client msg:{$line} \n";
/ s8 {, | Z9 z, q% Y2 j# F - } else {
' ~, z4 S9 S' W1 p' z& Q - socket_recv($_sock, $buffer, 2048, 0);
4 D! O4 m- \3 u0 @ N - $msg = $this->message($buffer); M. H5 A# O; {
- //在这里业务代码
( H1 O5 S# u$ E1 c7 j9 J - echo "{$key} clinet msg:",$msg,"\n";- I* ]1 Q, n4 A
- fwrite(STDOUT, 'Please input a argument:');: U* q! P3 d8 R, F
- $response = trim(fgets(STDIN));
, S, _& a" y( j; J9 C - $this->send($_sock, $response);. I5 l: h, B9 S7 _1 N7 R
- echo "{$key} response to Client:".$response,"\n";
* {1 E0 Q( {5 x, I - }
* s4 E- r3 k3 x( }' P+ I - }. I6 m7 J. ~- i* s% t6 h
- }
2 A: g2 \1 c( ^- G; L7 K/ |+ G - }
* h6 q; }- E) e! P* ^, s - 2 j0 p3 C2 o; @4 d4 F$ a8 v
- /** f, C+ V# n5 b i' G& h
- * 握手处理 R. R9 C/ L4 _$ G7 H" H
- * @param $newClient socket
2 @ H/ M& M+ b# i7 o - * @return int 接收到的信息; ^4 c( f% e9 J! t! I+ r' b4 s
- */
" S8 M, Q: q6 K% V5 v. b# _( H - public function handshaking($newClient, $line){- K! t! k+ ]8 K
- % s3 R! j, |# P& ?& x
- $headers = array();8 G4 y0 y' }6 e. g0 i# g" _
- $lines = preg_split("/\r\n/", $line);) \0 N( W8 ^; _& f
- foreach($lines as $line). L! O' ~' x2 L7 n7 G. _, }
- {% j T( P, ~/ O' f
- $line = chop($line);2 H' Z m/ Y3 ~ g) t+ E, [5 B
- if(preg_match('/\A(\S+): (.*)\z/', $line, $matches))
- N. M. N. a' ^; G0 W - { l# g6 P+ q' g
- $headers[$matches[1]] = $matches[2];
) E5 P6 a" Y0 p: q* x - } [1 ~( h! f1 ~ w$ b3 q* A" J9 E8 T
- }
/ P# r' X% Z/ X+ O0 E - $secKey = $headers['Sec-WebSocket-Key'];. [" P: C' T! ^0 j; K
- $secAccept = base64_encode(pack('H*', sha1($secKey . '258EAFA5-E914-47DA-95CA-C5AB0DC85B11')));
+ U# ]: z8 x u5 T( h/ ^$ I" w- z2 n/ d - $upgrade = "HTTP/1.1 101 Web Socket Protocol Handshake\r\n" .
5 {' ~4 W2 I* Q) O - "Upgrade: websocket\r\n" .3 T5 F$ U" }6 O0 F( n
- "Connection: Upgrade\r\n" .
- C4 @5 M& U0 y9 G1 i/ x - "WebSocket-Origin: $this->address\r\n" .9 ]: A4 O! U' ?* s9 l& y! |8 Y6 N
- "WebSocket-Location: ws://$this->address:$this->port/websocket/websocket\r\n".
( p* m1 ] {- R( u& E6 ?: o9 g - "Sec-WebSocket-Accept:$secAccept\r\n\r\n";: ?6 A" H- k( J2 g7 q
- return socket_write($newClient, $upgrade, strlen($upgrade));
4 `, |/ h$ C. T% r1 w; e( ` - }
' T: ^" F; B; [: t+ K& V- Q" r5 J -
7 L) g. Q7 Y+ Y - /**
3 S. r/ m' z/ z) a# H, L8 A - * 解析接收数据
. `% ?; |; b6 z7 j1 T3 V- f - * @param $buffer
. I; e+ q2 t B+ X - * @return null|string
" Z4 J' H: A# q( S - */
% F1 M7 j+ U/ X3 E - public function message($buffer){7 a; ?1 P+ ?# U* m
- $len = $masks = $data = $decoded = null;! [* E; Q8 r; y6 A) Z; C' Q& y4 n% l
- $len = ord($buffer[1]) & 127;- i& O$ Y4 W# K" Y( N, v
- if ($len === 126) {4 }( m; e+ n3 }" U7 {) B( K
- $masks = substr($buffer, 4, 4);
# X- s+ @# O1 [8 E - $data = substr($buffer, 8);) Z4 ~2 J+ ` m1 O2 e5 s9 i
- } else if ($len === 127) {
8 k$ A# H4 |: z* A" y' C* T - $masks = substr($buffer, 10, 4);$ `1 \* ~! D; ]( [
- $data = substr($buffer, 14);" O3 V! m6 m& @
- } else {) }, a3 f$ u# t% \; K" y
- $masks = substr($buffer, 2, 4);' V4 y/ h0 g: |, C3 [' @0 t/ X: a
- $data = substr($buffer, 6);' j* [4 Z5 [7 ?2 e! D' v: P1 w+ v+ G
- }
$ S0 G2 j: j5 p" A. a - for ($index = 0; $index < strlen($data); $index++) {3 g$ Y. R6 b/ E9 ` {# x1 w0 w: e
- $decoded .= $data[$index] ^ $masks[$index % 4];
- z% v# A4 ?) ?: `1 z. G - }6 u: E. H) R/ F( d
- return $decoded;+ o8 j- r1 C1 i
- }! J9 p) x- |( D# G$ s7 R# x3 I+ W1 G
- " P* T: U# n, p( w
- /**
' A0 K+ [/ V5 C8 j2 @, H" k - * 发送数据' _9 h3 u) v; R
- * @param $newClinet 新接入的socket
! b# B0 T# T# D4 y0 @1 M2 e5 c9 M - * @param $msg 要发送的数据& e$ y8 r8 W' M( s5 m
- * @return int|string7 U* K$ v! q" F% R* S
- */
2 n0 {* W4 S0 T* S - public function send($newClinet, $msg){7 `. C- p0 J w3 _
- $msg = $this->frame($msg);
8 V9 L. M% N' W4 ^3 { [' Q1 c - socket_write($newClinet, $msg, strlen($msg));3 h2 W: ]& i% h+ b
- }2 ] `+ t- p- s1 L" m1 ~
- 6 d, G/ @1 L4 e# @7 K+ @- q
- public function frame($s) {
- Y: w! o/ c; a - $a = str_split($s, 125);
: m( A% c1 ^) t5 R8 U# p$ @4 d" p - if (count($a) == 1) {# R& {0 Z& |$ {4 v/ E
- return "\x81" . chr(strlen($a[0])) . $a[0];
: J0 P6 b" d6 K( | - }: B; A# ^7 g. V# J( ~. N
- $ns = "";$ m! ^+ J, b. e
- foreach ($a as $o) {
. [' u- G0 S6 y2 G - $ns .= "\x81" . chr(strlen($o)) . $o;5 P6 `; n6 Z- U( L0 ^5 `
- }* r2 R1 |+ h! T6 ^, u0 j' [ _
- return $ns;8 g, L9 T# r: q- N D
- }
$ @/ K; `. b6 |/ l+ v3 H& @ - 0 x- I9 @/ G2 p" E
- /**
% r) g( d" c1 s5 ^5 f - * 关闭socket
; k9 {6 x& A8 n1 u/ C7 r) U0 E( e$ j - */
7 W# B& g0 q! N/ t- D9 U7 L - public function close(){6 V, y% ^' C |' }# v
- return socket_close($this->_sockets);# H2 K' i) i% p: w# Y$ T8 Q" \
- }
4 m7 q/ G' x+ x) _- D5 k/ {; f# | - }/ a/ c7 w8 k! Q' A$ h4 o7 |
-
# J! ^+ l/ O5 J- z - $sock = new SocketService();
8 Q7 z* }5 I m5 z- N& M - $sock->run();
3 @- S4 w2 H2 [, z$ O. E5 ~ - 3 |. e z) H3 q9 G" h# z! b* j
复制代码 web.html
& w9 r& v3 _! X$ O1 m1 ~" g- <!doctype html>! `5 l! n- W- K. \! }! h" l
- <html lang="en">
4 Y. l( o8 ^0 ?/ Z! x - <head>9 G7 q( j3 L" b; K# D* F7 t' h
- <meta charset="UTF-8">: t5 x. |2 A5 O( |& Q; g
- <meta name="viewport" content="width=device-width,initial-scale=1, maximum-scale=1, user-scalable=no">
8 V8 a" ?" v& p0 l7 X: u( N0 n - <title>websocket</title>
5 z) T& O4 V5 v0 f* g y; ~ - </head>
. d! `+ F2 W9 L' M( R- j - <body>
" ]$ C3 Y8 x7 B1 D) N - <input id="text" value="">
) @- N8 G! V; g. [: p - <input type="submit" value="send" onclick="start()">
$ i% ^) j* O7 w. d1 V - <input type="submit" value="close" onclick="close()"># _9 M" m# ]4 m. F$ u
- <div id="msg"></div># M/ W$ i3 s1 |2 L
- <script>$ Q8 w/ Q7 l5 p9 B9 f8 b: h
- /**% m% n7 w' _: X: t* h
- 0:未连接1 J2 \! w$ C; w5 k6 ?% W" g F
- 1:连接成功,可通讯
( M/ q/ Q6 b, _ H F) M9 o - 2:正在关闭
/ u% w6 e* E4 a9 | - 3:连接已关闭或无法打开0 |" Y( ~! x* y3 J' x5 g' W8 ^2 f+ s
- */* Q; p: Q9 T5 v3 C# R2 P6 k8 T
-
% s7 q8 u+ P- j8 g9 P - //创建一个webSocket 实例
4 N- @( z+ {% f" J( k/ n" V r) ~; m8 ] - var webSocket = new WebSocket("ws://192.168.31.152:8083");% L* }. U3 N7 z* t1 L" _8 o3 ^# @
- 4 A) |4 Y5 W. j h* ]
-
$ I# z( C" E2 K" |1 h - webSocket.onerror = function (event){5 ~6 r, { q$ P# w0 f4 h7 K8 b) f
- onError(event);
& N, ?- ]6 d! x9 L) Q - };+ ^5 L2 `- J* J
- # W% p8 D5 P V8 g4 |
- // 打开websocket' o1 X7 E4 s1 {( U, m
- webSocket.onopen = function (event){
3 T" f* b" ?1 V' Z3 w+ D - onOpen(event);
4 a% x" a+ a5 Z; Q$ T - };
* d0 x3 `; ?! A% j4 b - 7 x) M6 ?) L( _8 p* I
- //监听消息
& @7 V/ c! z2 g* ^" B% v$ t - webSocket.onmessage = function (event){
& v5 n: \. V$ q9 @+ r: D7 F - onMessage(event);- \- b0 c, N) h) p* x" |+ }
- };
) B9 K. Q9 _( w2 Z* `; C" ?+ M - ) I4 j' k* M7 K1 j
- - v8 D, ]1 ]7 X+ c: |% y& I
- webSocket.onclose = function (event){$ e0 Y$ s% C$ ?1 J$ O2 }
- onClose(event);: q4 Y! B5 u+ j& ~
- }
$ ]! ^7 M" t' o' g8 ^1 Z/ I - ; I; \7 T: \) x" R
- //关闭监听websocket
m3 s* e4 ?3 A F - function onError(event){
* ]7 o K5 e6 v0 w6 A6 s - document.getElementById("msg").innerHTML = "<p>close</p>";
: b2 @9 h5 e l) C. N5 }0 o6 U7 f( z+ _ - console.log("error"+event.data);
4 ^9 ]+ W) v$ c1 x0 _( J# [ - };$ n# u+ k3 ^" | S
-
' o$ _; s6 } e- B8 M& B% A) |" w$ Y - function onOpen(event){# R' o; W0 ?. r% U
- console.log("open:"+sockState());
( |2 F) b. Q+ I3 _: C- z4 |7 Z4 ` - document.getElementById("msg").innerHTML = "<p>Connect to Service</p>";
$ O& f1 S2 N0 h - };
' E! `1 r# z8 W( t0 J, A/ T - function onMessage(event){
, \* Z$ I3 p5 L, t - console.log("onMessage");+ f ]2 U4 P+ ~- E
- document.getElementById("msg").innerHTML += "<p>response:"+event.data+"</p>"
# S6 H/ l) w7 V+ l% K - };
3 Z7 a8 S3 P8 H8 @2 ^) H' D% ^: } S" k - 7 \; z+ w0 j& v4 B
- function onClose(event){
- s3 k+ X" H# l& r - document.getElementById("msg").innerHTML = "<p>close</p>";; {; i7 ]' K8 k* w# P: \$ L& v4 n
- console.log("close:"+sockState());$ A1 h8 _- a/ C& e: k
- webSocket.close(); C. r; Y' p6 B) d8 j
- }% }/ b6 n/ q! ]' c* o
-
) p! x" _2 l: S$ {8 s - function sockState(){
2 \0 j) p) d! }3 T4 p: ]3 S/ b - 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'];, q7 \- P: N' a# K1 G' f$ ]) _; p
- return status[webSocket.readyState];
$ }- }: k. i/ j+ T - }9 i) p3 ?" L& F+ v" j5 A- O6 Y
-
; A& x: c- R' ]: @( m0 r9 o: v - 7 Y$ q8 ]5 j% H9 T5 F
- : M0 W/ C( V4 {/ v
- function start(event){
4 r7 Y, B$ g9 o a4 J - console.log(webSocket);" H2 W1 H* ], N- T7 w h% r$ t5 r
- var msg = document.getElementById('text').value;! O* ~" w$ w& u# m$ [7 Y B2 L
- document.getElementById('text').value = '';
; V' n/ s/ v5 w4 l; H3 P! Q* r - console.log("send:"+sockState());
( T$ n* d; `' q+ }) i - console.log("msg="+msg);7 z4 G3 B3 {. q
- webSocket.send("msg="+msg);
8 l( F4 C$ @' a. N# {9 z# F, @6 R - document.getElementById("msg").innerHTML += "<p>request"+msg+"</p>"4 r+ C8 R+ J" l
- };
, j9 s/ [* ?) H0 W+ ]* E -
/ A$ O# O4 @. }3 _" r/ P# G - function close(event){
8 H! x$ ~5 ~2 O6 G: f - webSocket.close();
9 p' H" u) _5 F8 A) U - }
1 D( D' T8 k! k8 ], v, q7 ~ - </script>7 H, G" V, B0 D7 \/ A
- </body>
0 z* J/ i' g+ W8 x4 u9 X - </html>
复制代码
" T- a# X( V0 k( R: V8 w3 O0 r+ g' s
9 B0 M( ?8 }: ~0 V6 z9 X
|
|