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- T8 v5 d, A7 Y( C7 C; |
* D! c- |% ?5 V/ \1 I1 S
3 u7 v0 a0 \' a: @* y5 y
SocketService.php0 {& W3 ^! U. ^0 {" H$ l) h
- <?php
- P# Y- m- y9 V - /**
/ k i0 H& u! h- ]/ z* ~* n- R - * Created by xwx {4 r4 c4 [7 d! K
- * Date: 2017/10/18
* u3 a, L, \0 J7 q% t, H - * Time: 14:33
* K K4 b' ]0 _! W2 Z - */3 M0 a$ x9 c( i6 R8 j7 ?/ G
-
* y3 v* P3 r: N; m6 J - class SocketService& z) r9 {& l; ?0 R4 Z8 I4 K3 }
- {$ Y; S7 c5 J2 P, i; Z" v& w+ G
- private $address = '0.0.0.0';
# U/ M- R, O Y7 e - private $port = 8083;" z4 v- o V1 ?5 D( l% @! ~
- private $_sockets;% c9 P5 ?9 {/ P. \# B
- public function __construct($address = '', $port='')* |+ y% G# E- p$ I; U y( v
- {
8 Q9 N' D; I+ I! F. x9 U0 O9 ^* x - if(!empty($address)){" w) k5 V% x* ] y1 \! S, T5 G
- $this->address = $address;0 n, @! j, r9 J& X8 S
- }
: [3 M0 j. w; f7 B. W& | - if(!empty($port)) {
& w- {! X% Z# r - $this->port = $port;3 N! ?& H; G- l
- }+ ~& r6 H% v! o$ u+ W
- }
. [* v' {4 t0 {* B, F! E - ( X- m0 |6 _+ T1 j
- public function service(){" t6 D' A0 K# F. g* t3 M
- //获取tcp协议号码。
7 o" w4 X( v, a3 ^; v - $tcp = getprotobyname("tcp");: K4 |. V( p; F( R6 J8 H( N9 l4 i6 O
- $sock = socket_create(AF_INET, SOCK_STREAM, $tcp);
8 c2 w. k3 x' V - socket_set_option($sock, SOL_SOCKET, SO_REUSEADDR, 1);
4 g8 o) a: Y$ y- I - if($sock < 0)
! R& T( }; M3 r4 X( q - {
. P% t: @$ J+ [. V8 W - throw new Exception("failed to create socket: ".socket_strerror($sock)."\n");9 n4 H5 a4 p. C; n" X) g
- }' C$ J4 y+ t7 ~8 ^/ [
- socket_bind($sock, $this->address, $this->port);
4 \0 @0 l. g+ \1 U8 L5 c - socket_listen($sock, $this->port);
' ^$ K! |( ^( U( M7 k# g1 ` - echo "listen on $this->address $this->port ... \n";
4 b4 W+ F; o! E- s2 K" F - $this->_sockets = $sock;& k- U p4 R: l; i1 A1 V+ o; K7 D
- }
( o4 s# Y q- ~! V9 h( F3 P -
* \9 n) l4 ?1 _ - public function run(){
. ]6 c- x4 |1 V; Q - $this->service();
1 I) R% z, \6 s0 a - $clients[] = $this->_sockets;2 v9 z5 }2 d# w! v
- while (true){
8 ~: O& ~0 Y. h, s" J8 @1 X - $changes = $clients;
' H7 {, x9 N# d1 U3 P ?% x - $write = NULL;3 D( H8 K% B1 U9 L
- $except = NULL;/ M2 {9 w0 \1 m; M
- socket_select($changes, $write, $except, NULL);# C0 [. j6 |" m& f3 {* n, _1 s. @
- foreach ($changes as $key => $_sock){7 p3 `0 b6 Y( {- Y$ I6 z
- if($this->_sockets == $_sock){ //判断是不是新接入的socket
5 {' T( c9 t/ D - if(($newClient = socket_accept($_sock)) === false){
9 q* S2 \2 @( Z% k8 u. x" ~ - die('failed to accept socket: '.socket_strerror($_sock)."\n");8 T5 z8 z( O T( j4 P7 @
- }
2 I5 c" [ A& T9 S2 C2 \: Y - $line = trim(socket_read($newClient, 1024));
7 ]1 f% d7 K( [' e w0 O - $this->handshaking($newClient, $line);
7 f# ^0 p( Q6 g8 I4 c7 W8 y: X; | - //获取client ip7 l& L0 g! M2 T# X+ z
- socket_getpeername ($newClient, $ip);
" |5 g0 s) n8 B7 l" L' S+ ` - $clients[$ip] = $newClient;! \/ R* \ X& W4 {4 G7 ^: b
- echo "Client ip:{$ip} \n";
* `9 w3 K. w; [; a/ p; w - echo "Client msg:{$line} \n";7 ?! I- Z7 `% g! O t, j
- } else {
( `) z4 W7 B8 Z+ z5 v - socket_recv($_sock, $buffer, 2048, 0);1 }4 l2 d1 {7 ]4 J/ @' }) Y
- $msg = $this->message($buffer);) ]& a6 h/ L+ |( h' w+ W
- //在这里业务代码% W1 T% r6 G9 c$ n* L1 p9 F1 e' J5 Z
- echo "{$key} clinet msg:",$msg,"\n";
" F2 q' R' A0 }: ^+ B7 I - fwrite(STDOUT, 'Please input a argument:');) V3 p2 S# Y# Q6 u7 k
- $response = trim(fgets(STDIN));
: r2 m' ~* l. R - $this->send($_sock, $response);
1 k: E9 q% R' e) e3 C( M7 i/ ` - echo "{$key} response to Client:".$response,"\n";
6 K, f9 @( Q6 N( Y2 D0 N- T - }
3 b: P% O/ t! Z - }1 B. A! U9 h7 r; N
- }" U. ]! r' l! b. D* {
- }5 ^: J k4 M. D# w
-
9 m4 X3 C# T5 m/ E - /**
3 H1 J6 `0 I0 u8 K$ c+ @/ C - * 握手处理$ h- a1 p1 f, o; w/ P
- * @param $newClient socket4 l3 r: C2 S! D6 K% r
- * @return int 接收到的信息* T- ~, H! ^9 N. U5 g, T8 D1 _
- */
: X. V) b6 Y' C' Z) Z( P, y. M2 c - public function handshaking($newClient, $line){
: b1 w& j6 G) q) L. \+ Z5 W* B) { - " N. V4 n! s+ w8 D9 |% o* V
- $headers = array();% S6 p" P) i2 N
- $lines = preg_split("/\r\n/", $line);
: Z1 i3 c1 z0 K3 n/ n* l' w+ ? - foreach($lines as $line) l# ]8 u4 G0 B" [2 m
- {! A# \0 C$ k+ l4 U8 t5 ?7 ^
- $line = chop($line);, u+ |6 a3 M" ?$ I2 X3 q T1 c
- if(preg_match('/\A(\S+): (.*)\z/', $line, $matches))
- K5 n* `" r& N7 \, t7 @" \ - {1 w( u4 A0 F' Y" g+ R& I3 o# t; r
- $headers[$matches[1]] = $matches[2];/ y1 G- \- z3 n, O& ^4 C3 S
- }
/ D% k6 t: E# K7 Z0 P+ x: \& Y - }
! w+ a* {. D `, e+ A - $secKey = $headers['Sec-WebSocket-Key'];
6 ], F' Q3 K4 X1 Q4 }" j - $secAccept = base64_encode(pack('H*', sha1($secKey . '258EAFA5-E914-47DA-95CA-C5AB0DC85B11')));- Z! _- t0 D# `/ V6 P
- $upgrade = "HTTP/1.1 101 Web Socket Protocol Handshake\r\n" .
# L6 i+ T3 p+ v0 ^' `3 }; g$ q - "Upgrade: websocket\r\n" .
. ^. w! ?, r2 Z6 B9 [. S; X - "Connection: Upgrade\r\n" .
' _. H' W1 x! n: i - "WebSocket-Origin: $this->address\r\n" .
' v+ T2 I! m2 q A% V - "WebSocket-Location: ws://$this->address:$this->port/websocket/websocket\r\n".
- @! H' w, p& j: L) ]% X+ k# S - "Sec-WebSocket-Accept:$secAccept\r\n\r\n";4 [5 b6 e' R2 i
- return socket_write($newClient, $upgrade, strlen($upgrade));
: b' I2 y0 b3 m4 J# V - }# K+ Y0 S; z! |4 _, G! n$ z
-
+ S2 t# k1 Z0 m, p; l5 L2 Y - /**/ D" P8 }" h4 N2 |( w
- * 解析接收数据
5 Z0 c9 A2 b& V b0 j - * @param $buffer
: _9 ?, @0 Q1 Y - * @return null|string
N: R! R! u! U8 d3 o) d( x1 p - */0 v' d1 m0 L+ ?
- public function message($buffer){
& x: X- N; k, v2 L; G - $len = $masks = $data = $decoded = null;
0 @3 r/ l2 k; b; Z - $len = ord($buffer[1]) & 127;7 t% @' i; v$ E
- if ($len === 126) {
+ e+ y- V( o2 K( u/ N- ~4 c. g - $masks = substr($buffer, 4, 4);3 B+ A: q6 }7 F9 Q
- $data = substr($buffer, 8);& y x: D: k: _1 N) h
- } else if ($len === 127) {
- p# L+ {' Z/ F - $masks = substr($buffer, 10, 4);
, Z6 O U8 a& p _ - $data = substr($buffer, 14);# @; w0 l9 ^$ d
- } else { ]: k8 z2 k% D1 b3 z( a% P0 f
- $masks = substr($buffer, 2, 4);
! j: w. V, s% e! T' W" W - $data = substr($buffer, 6);: D7 Z3 [3 `0 \/ k- J) }* k# ?: b: n
- }
) M' e2 E: q* T0 t - for ($index = 0; $index < strlen($data); $index++) {
# v" h/ j- h' Z/ r4 M) B1 h# h# g - $decoded .= $data[$index] ^ $masks[$index % 4];
' |2 F0 |- i6 Y) Q( |6 @ - }
+ [, G5 b7 W2 @% d# e4 b4 M8 [6 m - return $decoded;
: j/ t+ r' Q3 f) \4 J - }
: ?* K( V" m& ~5 S - 8 S/ n4 K+ c9 Y* S
- /**
. ?3 A- O6 M3 R X3 V/ l# g3 O - * 发送数据
) }' P# D8 a% Y - * @param $newClinet 新接入的socket
% ?( N3 M8 V- W, I - * @param $msg 要发送的数据6 Y6 q- P+ ~5 D, o- ^: |' w$ b
- * @return int|string5 b! F: U0 c/ \7 V4 S8 A9 A
- */' b' k) ^2 L4 Y% R* @
- public function send($newClinet, $msg){! B% ]0 B) y. z3 F
- $msg = $this->frame($msg);2 F0 `, d' ?% V0 U O
- socket_write($newClinet, $msg, strlen($msg));
( T! {5 F0 v( c+ o4 W9 X; s k - }/ e" Y6 a0 v1 H$ I1 P5 S3 n( N
-
7 a. b! G/ v& x# @# Q1 g - public function frame($s) {' ?: v: f7 L" k2 S! Y
- $a = str_split($s, 125);
. @( n' T% O2 y' u. L* F# U" `4 e - if (count($a) == 1) {
% T' L v6 e' r2 D4 d - return "\x81" . chr(strlen($a[0])) . $a[0];9 N$ L/ p- ]0 W
- }
5 D* `: R2 ^5 o0 @( W6 [, s$ @ - $ns = "";
6 f" z8 C: `, ` - foreach ($a as $o) {, X4 ^- |" y# u; G
- $ns .= "\x81" . chr(strlen($o)) . $o;+ L* C n2 Y0 O1 Y+ p6 V Z$ A
- }; B! i2 z. { ?
- return $ns;0 J s `# v6 g z6 w0 S' F
- }
) A; a8 S- E) ^5 l/ z - : }3 u, }* Y; `) z% P
- /**
! J9 p2 A) ]2 r8 n4 T. m - * 关闭socket
' f9 H& \7 R) N - */
8 H0 t5 f$ e: X5 _$ ]: ^ - public function close(){
, S8 A8 }3 z Z - return socket_close($this->_sockets);
6 h Z6 c% |- S% F. G1 C - }( W) e/ p3 S, u& `/ W0 Z, ^, ^: H$ {
- }" A6 x9 n) [. J4 @# [
- % B5 x* l* @# ~+ M
- $sock = new SocketService();" F& G" F5 ~( s7 q
- $sock->run();
& G4 ?9 ~# `( ? - 1 B# U( Z) { s3 \/ }5 T
复制代码 web.html7 Y2 c/ V9 Z4 B) S9 h
- <!doctype html>
8 s2 b+ o" |0 U* N - <html lang="en"># I& Q& j0 i+ ~3 \3 z5 {9 r0 O
- <head> H, t0 |, Q& s2 ]
- <meta charset="UTF-8">
, T5 T4 m2 j* @/ T& x - <meta name="viewport" content="width=device-width,initial-scale=1, maximum-scale=1, user-scalable=no">- {/ e/ n7 R+ C: ~4 C/ `# p( v/ f$ v6 F1 \
- <title>websocket</title>: o8 s6 S# H! `. B9 P
- </head>
$ _0 J: q6 n$ u$ q$ s0 v. U1 E - <body>9 z( Y/ t: k# B, `- ^$ c+ z
- <input id="text" value="">
6 o' u% @ l9 f3 ]0 Y! e; S; c0 r5 T - <input type="submit" value="send" onclick="start()">4 o D9 D/ U6 T9 Z
- <input type="submit" value="close" onclick="close()">
r& W/ p' l h - <div id="msg"></div>
8 A$ n6 E5 G+ o' v& U8 i" @2 p1 i - <script>
9 r* z# t: l. H U# J7 q, C3 j4 c - /**
( G7 I. ^& b& ]) ~, Q - 0:未连接
4 q# W; t, {# r) G, m; { - 1:连接成功,可通讯( }! D; I" P9 Y
- 2:正在关闭 K2 K6 c+ j4 M* D) ~8 T
- 3:连接已关闭或无法打开
+ p! _1 r+ e5 ] - */9 W$ C! g3 k. e- V, c# z( a
- 2 k! r( P r; ~9 |9 `3 C' @
- //创建一个webSocket 实例; W0 h. C- T( T4 U( {3 o2 l
- var webSocket = new WebSocket("ws://192.168.31.152:8083");
% w8 d) [. D! w ~9 C8 v; J - : A& E r& L* k! u' g5 v" X
-
9 \& }( Y- Y" ^2 ^5 f3 T8 \0 B - webSocket.onerror = function (event){
% x; y# c1 G/ U' }( { I- s - onError(event);$ R, |) ~1 g* H% n( `9 t+ ^
- };' L/ D$ @) g: b* g/ O
-
2 t0 D# Q' k6 t0 s) U7 {9 n - // 打开websocket
, Q% \3 s3 d1 l- Y: R( d7 t; M. L - webSocket.onopen = function (event){
6 M& b1 k; t/ S/ H - onOpen(event);& I% Q$ q- D" F6 h" x
- };: p! l: ~4 ?- d* [
-
! P2 D1 T# L2 \- e! V - //监听消息; g e( A; ]1 K8 y: \5 L k! A5 N
- webSocket.onmessage = function (event){8 [7 {& c% E/ [
- onMessage(event);
" `% \# n; b |4 g- u& S - };# s9 x5 m2 ]; G- p1 P
- 8 l0 X! Y* I1 V, `) \) G
-
# j1 y( S- f& v! C - webSocket.onclose = function (event){. g( {- [- x" e+ a! }+ S! T. L, i
- onClose(event);
s4 `/ q, X) l. ^. m - }% J w9 V+ v) I/ T
- + ]- x1 {8 A7 S {
- //关闭监听websocket
0 _/ f! T. b6 ]+ \# h - function onError(event){
, [8 \* _: Q, [- A4 i; s - document.getElementById("msg").innerHTML = "<p>close</p>";
5 G. a: M) z; a# j5 k4 i - console.log("error"+event.data);; m7 Z0 ?! N- `
- };
/ S( i h6 E: ` - ; f+ U# F& d, o
- function onOpen(event){9 u/ ] @: F$ }# Y: v
- console.log("open:"+sockState());
/ l. P% G! x0 s7 k' b9 J6 E6 Z3 V - document.getElementById("msg").innerHTML = "<p>Connect to Service</p>";
% [7 c! E# I& [* n - };
. `- b) l' A1 J9 s$ _ - function onMessage(event){
- f3 U5 m5 Q) p5 e( K - console.log("onMessage");
! t% C! `/ u* U# I; T - document.getElementById("msg").innerHTML += "<p>response:"+event.data+"</p>"
+ d( Y# p+ m5 u* i - };& C6 H" `1 t; \$ e; l, P
- ; y, B# G5 H1 M; a0 s3 F& j
- function onClose(event){& d; f0 _8 X8 D3 ]
- document.getElementById("msg").innerHTML = "<p>close</p>";
% b* W, F1 ]7 u9 f3 b0 u - console.log("close:"+sockState()); O6 A7 [; Z; U" H Q/ E0 i! _ o
- webSocket.close();
8 n) a* j, R5 |1 o5 M2 g$ n - }: Y8 [, n: a, w$ j# o6 m
-
8 O# ^8 _& g. A' c$ m/ R, ]: n - function sockState(){0 t+ d. B. D3 n% y5 L! B% Q. J
- 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'];
6 ~: q/ j, S K4 O. C5 q* Z - return status[webSocket.readyState];5 O7 t/ \6 D9 Q v. g
- }
$ {6 A6 `$ C- H5 H -
Z! O& ~' j3 h6 k) h - 8 p+ W; k% `" h. k8 |
-
+ i. f9 T, G6 T) o - function start(event){/ \+ C3 m U L! U1 h4 `
- console.log(webSocket);
' S( [% f0 l) z, y" G# }/ G - var msg = document.getElementById('text').value;3 s4 ]$ \9 H( q5 J8 n; V3 P/ }
- document.getElementById('text').value = '';8 h0 D6 U+ E9 w% s; |( P
- console.log("send:"+sockState());
3 ]; R3 K6 k3 C8 @% ]: M - console.log("msg="+msg);4 `; h& E! i* G
- webSocket.send("msg="+msg);
0 l2 d9 ~% W. M }" F; _0 ? - document.getElementById("msg").innerHTML += "<p>request"+msg+"</p>". n3 w) K! u) ?
- };, Z3 R. X) b7 B# z6 E: h
- ( T5 d1 t2 v' Y2 j5 |
- function close(event){
: f4 X; _; j5 }; v& P* V% P# C - webSocket.close();
( Q" i; B2 c a, f: F4 A, F( L - }
1 `, Z, u0 H% M- ^1 r - </script>" S/ |5 {& c j
- </body>
h- l( |" D. R/ e% A0 k - </html>
复制代码 4 O1 m4 m5 @. R h5 y& u* U
$ k1 \( Q( `. ~2 Q, J7 F, K8 I
% f* e. y- Z: k( a3 _6 S |
|