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 R6 ]% E q$ f$ ~; Q/ K( C
* j0 D- Q$ N: t& t% ^' O
; `) E4 V: t; l1 C. E& p& ~0 qSocketService.php
. c: R1 z* l0 o, D; F- <?php R9 E7 p0 ]/ n* s& j1 S
- /**
8 k8 r) O$ W e" H! T- U# H3 b - * Created by xwx5 c* r2 l! ]+ G- ~+ \$ ]4 [$ u
- * Date: 2017/10/189 L0 c8 g" w' R8 `
- * Time: 14:33
. ~4 ?! O. ~. v2 N - */* I. p* @9 k( N+ j; m6 B
-
2 k& V: K4 R1 V( i9 D; G - class SocketService# j7 {/ Z' D+ h
- {0 K, `- e& ]- f2 E4 d
- private $address = '0.0.0.0';3 b: S. \% A" P$ B$ X$ z$ Q* |* W
- private $port = 8083;+ r) C5 Q& |" q' X0 k) k# G
- private $_sockets;
; F4 V7 N0 G6 P. x - public function __construct($address = '', $port='')
3 o6 D6 W' `. x$ ?) ^( u - {
/ M4 ]9 \" y& J$ j4 U2 _/ ~# X - if(!empty($address)){# |% i0 R5 ?5 R, ~$ m2 y
- $this->address = $address;, |4 u: _- Q' ]- S
- }$ g* [" g/ J- O; G: J1 V3 R6 J
- if(!empty($port)) {) d* \5 v/ t! g9 R, D5 d
- $this->port = $port;
, e3 `% R& k; l% a+ p }" w, E - }
! ~2 J0 \! R c: Y1 w% v - }
1 k/ A: C! L4 z+ q - 6 r, I/ H6 R% q- B$ g
- public function service(){
3 h2 N, M1 X& Q A4 D( d# N - //获取tcp协议号码。- ~4 T9 B; S6 [1 s) s' _6 F5 A7 i
- $tcp = getprotobyname("tcp");4 H( X: r. ]; M2 n) |) D) i; S. b
- $sock = socket_create(AF_INET, SOCK_STREAM, $tcp);2 Q1 j: J" M9 A6 L. |5 o+ Q" j, ]* S
- socket_set_option($sock, SOL_SOCKET, SO_REUSEADDR, 1);
3 \6 }# n X& H! g5 }6 z - if($sock < 0)
% z+ B1 ?' | `5 H2 @ - {- b) Q8 a; z# W" J
- throw new Exception("failed to create socket: ".socket_strerror($sock)."\n");
1 T1 h+ e0 H# m8 X. c7 K - }
. H* U& N# S: n3 U1 j# u - socket_bind($sock, $this->address, $this->port);1 X% \1 q+ P/ z2 c( l8 `5 ]9 K
- socket_listen($sock, $this->port);/ {( O7 V" u$ a% h
- echo "listen on $this->address $this->port ... \n";& S( k5 c8 y* A' `. K0 Z
- $this->_sockets = $sock;
( q' O" U* p* _! A3 r: y1 f - }1 _8 I* E: |, N1 K' d1 P5 l
-
9 ~& k8 U" P8 p+ v; t3 _ - public function run(){
/ e5 l3 k& G: r1 H- A, ?* Z9 j9 \2 Z& }8 W - $this->service();
) T) ]8 \5 {8 n7 ^; b7 p - $clients[] = $this->_sockets;
, m; H& o+ p5 o% ?. | - while (true){
" F% l8 a$ Y( N& s - $changes = $clients;3 s: P% c3 \. o' I9 W7 ^( o
- $write = NULL;& ^. A/ b6 s+ y% g/ {
- $except = NULL;1 \! _; b) `, }+ f$ z
- socket_select($changes, $write, $except, NULL);
( ^6 e9 T; o0 c - foreach ($changes as $key => $_sock){# H/ { ]7 G" M9 H B$ w
- if($this->_sockets == $_sock){ //判断是不是新接入的socket' K1 f# h/ R4 P: r! u1 [
- if(($newClient = socket_accept($_sock)) === false){" ?' R% x9 g8 ]: q3 A3 M }
- die('failed to accept socket: '.socket_strerror($_sock)."\n");1 ?& E6 ^: j. T6 S: ?; N& m4 \
- }9 o+ g9 Q0 O$ ~ f
- $line = trim(socket_read($newClient, 1024));
t* c* q4 i5 U1 X' o - $this->handshaking($newClient, $line);
3 W( ~8 N* Q5 ^( A - //获取client ip
4 b8 I$ |" E% S( a1 R2 E; W2 ^ - socket_getpeername ($newClient, $ip);, l9 S' w, n9 h3 b. k, X' n. x" ?
- $clients[$ip] = $newClient;2 r4 x) p6 ~/ j$ a- V5 o* b
- echo "Client ip:{$ip} \n";( d# Z' w2 K6 R' O6 A
- echo "Client msg:{$line} \n";5 P" W; C9 D* c' ^8 c
- } else {
1 J' u% M1 e( ?* u9 B - socket_recv($_sock, $buffer, 2048, 0);0 ?, x T! O$ U( I% @& I5 w) r
- $msg = $this->message($buffer);/ r7 Q2 ^# M) Z1 @8 y, ~
- //在这里业务代码2 F+ @2 u" S% [
- echo "{$key} clinet msg:",$msg,"\n";
$ J9 J& D. Q0 [7 O( G6 {/ y - fwrite(STDOUT, 'Please input a argument:');
! A" C2 D* _# `( m- n - $response = trim(fgets(STDIN));
1 B# r/ J/ [! U0 \9 _5 `" f - $this->send($_sock, $response);) l. B# C" s, {$ d f% j
- echo "{$key} response to Client:".$response,"\n";
1 e0 X" }4 x4 ~! P7 C - }
6 J3 W/ {5 o- p/ N: M. T9 q* C - }
& ^7 g- ^& e" f; c* C2 B1 o9 f - }
9 g! Q! ]+ h- S& M0 y - }
b: p ~+ X W2 p4 j, |- Z -
$ C0 R4 T- o, v. G' n& B0 N - /**- M0 J$ e: B }8 s. }. F
- * 握手处理- G3 c. W9 d& A% }% V* V
- * @param $newClient socket9 V( v! w# p3 m4 w. [2 [
- * @return int 接收到的信息( \- {3 G/ V: e0 x, M
- */
7 F; w# e6 X, Q* D - public function handshaking($newClient, $line){
6 S* z& @( B6 j0 _2 y1 c -
% w' C/ W9 h- V; Q( i - $headers = array();
' v: E8 }: N) ] - $lines = preg_split("/\r\n/", $line);
* l) W2 q2 k- {2 J0 x( M - foreach($lines as $line)
, D: F+ F1 u Y' | - {
0 C# W7 S( ?3 F, A+ o - $line = chop($line);
! m# @6 H+ T7 W- p - if(preg_match('/\A(\S+): (.*)\z/', $line, $matches))- ~& F2 P5 b D h: @
- {6 i# v X; Y; M$ q9 D# `
- $headers[$matches[1]] = $matches[2];
/ |/ S- I0 [! r- k3 [: z - }/ s& l! G# a, o0 O: ]/ g
- }8 ?. G; i7 _: A% q7 G" e% C* o, M
- $secKey = $headers['Sec-WebSocket-Key'];# j" ?7 a* h9 q) E
- $secAccept = base64_encode(pack('H*', sha1($secKey . '258EAFA5-E914-47DA-95CA-C5AB0DC85B11')));1 J6 s/ u$ v- t {6 Q. X
- $upgrade = "HTTP/1.1 101 Web Socket Protocol Handshake\r\n" .
0 u% g- L4 z" h - "Upgrade: websocket\r\n" .
' B% v3 t2 ] K( h - "Connection: Upgrade\r\n" .
6 h& m, u/ L$ Z# u" |! _! C - "WebSocket-Origin: $this->address\r\n" .
5 A( W7 G6 ?6 i: X - "WebSocket-Location: ws://$this->address:$this->port/websocket/websocket\r\n". T' O; L8 _: J" X6 `# [. [
- "Sec-WebSocket-Accept:$secAccept\r\n\r\n";
' \0 g& ^( H& y - return socket_write($newClient, $upgrade, strlen($upgrade));
: I& V8 m1 X- i1 r* } - }
1 |& }9 |9 R. P -
6 F# S+ b. w+ |8 H( f# k, }. x - /**' J# p5 J9 A# d( h" m6 x
- * 解析接收数据
# L/ l+ G0 ~( A - * @param $buffer
7 d6 }* m3 q+ {2 v6 Z4 V - * @return null|string+ y* |2 k; x! ~& k
- */( r' I9 G1 }8 L* ?4 u+ A
- public function message($buffer){) i, r# F/ W4 A. o
- $len = $masks = $data = $decoded = null;
- S9 m# _9 {8 `5 ~ - $len = ord($buffer[1]) & 127;6 S" e3 K4 B6 m' A
- if ($len === 126) {
" ~9 l9 F& G" o7 A1 \2 j& n; z - $masks = substr($buffer, 4, 4);5 F4 h3 A l+ S- D3 i; o4 s
- $data = substr($buffer, 8);8 W/ P+ q* g- k/ N
- } else if ($len === 127) {
" q7 O" T6 u$ S) q - $masks = substr($buffer, 10, 4);
9 A% t! { y1 J9 l; V - $data = substr($buffer, 14);
8 D" \" h5 l* @" q7 ~9 c* h" T - } else {; F7 G7 U8 ]/ f$ X% P
- $masks = substr($buffer, 2, 4);5 y* V7 |; M& _+ x8 p" m: S
- $data = substr($buffer, 6);3 P2 I! p# P5 f/ M
- }
" p9 P( d( h8 o& \" M B: J - for ($index = 0; $index < strlen($data); $index++) {
: J! F2 ^6 N: p0 B! |: G - $decoded .= $data[$index] ^ $masks[$index % 4];
- n: l9 j1 A: r3 a; A8 j - }$ |) T5 t3 w1 Q+ U# f. Q
- return $decoded;
" a! U7 n) _5 T3 R5 B, [ - }7 E5 e8 F1 w; h" \. V$ I8 |
-
* Q9 U. K: I$ m6 X1 F - /**
H, b* y: ^ w- h+ f# { F. I - * 发送数据
6 j6 h6 f7 j% { - * @param $newClinet 新接入的socket1 t; S9 ]8 T: d0 E- C! N
- * @param $msg 要发送的数据
& m& L E D$ X4 B4 N+ f& h0 {1 {4 I - * @return int|string
5 w7 @2 }. {, A - */" L7 I+ T f) K" E
- public function send($newClinet, $msg){0 g* r4 T( ~4 L2 U2 {
- $msg = $this->frame($msg);0 @$ A1 @/ K6 C+ e& o- n' e! d
- socket_write($newClinet, $msg, strlen($msg));. f9 |6 f& P1 f( U" B* Q
- }
- j* [( ^3 Y/ J7 i* g -
/ ~' \! }4 m* V0 ~6 T* p0 b- K - public function frame($s) {4 O' `' q9 [1 Y; O
- $a = str_split($s, 125);: B- e+ d& X9 J$ ]
- if (count($a) == 1) {
4 [6 i" \- T' h7 b- ^" G; } - return "\x81" . chr(strlen($a[0])) . $a[0];9 v$ G: K5 {2 x
- }
6 c# G+ C6 |- n& W$ f0 j3 ?4 w - $ns = "";
! U; Y( a+ H4 h" P. K* z/ n$ S/ K - foreach ($a as $o) {
2 f5 r7 D7 `5 z& G6 c8 ]! A, C - $ns .= "\x81" . chr(strlen($o)) . $o;. e# P2 ^' v/ b" J
- }9 ]% w3 `" S( J0 F! K3 _" r
- return $ns;
4 Z* ^+ A$ h/ n; I4 p- ~ - }% L9 h. e7 Y7 l6 f; d
- ' ?# ]: I$ n- w9 D" w
- /**
( j, A+ O0 S; G7 ~ - * 关闭socket9 L5 q, w i% M, ~
- */
5 [0 _! \6 t' j, q! _ - public function close(){
% e7 e$ X' N8 h# a* s - return socket_close($this->_sockets);1 r' s+ _- ]& y( I
- }4 w* \. P; U0 {* z, f
- }
1 H0 M" [! D. f V6 Q% | [" D - 8 p5 @0 h1 ]4 q, ^6 B+ h2 h$ r
- $sock = new SocketService();1 r2 ]0 L( N; b, O& _+ L/ W$ h
- $sock->run();4 c, |4 r4 p& B0 {) g" C
, t' \/ k1 I$ h O* Z
复制代码 web.html7 N# v, H* W0 o" p1 a" z$ T6 P
- <!doctype html>
/ ~1 s$ R. j! z, Y+ P. r: P# l* | - <html lang="en">
! ~* r! q4 {& X" ? - <head>0 B! A$ I1 p" p6 a4 k# f9 g
- <meta charset="UTF-8">5 ]/ L9 I4 D/ i
- <meta name="viewport" content="width=device-width,initial-scale=1, maximum-scale=1, user-scalable=no">
- d) F e, l8 E0 n) e. A6 I - <title>websocket</title>$ P, h& d0 W8 t) n9 j% r
- </head>
7 Q- q, u, ?8 b- ^$ f( }9 Z - <body>
, V& o1 U' ]+ y, _7 | - <input id="text" value="">
$ Z0 U! z' G3 f7 w) I - <input type="submit" value="send" onclick="start()">: l) O; ^, e/ s$ W( v, u+ N
- <input type="submit" value="close" onclick="close()">
+ D7 _# `9 H [ - <div id="msg"></div>1 E, u, O, j D* h: K! \1 f
- <script>
4 g+ |2 M: ?" W. k% A* L - /**& d ?( @! x. e6 V& P
- 0:未连接/ T- T; B" [/ V }" T
- 1:连接成功,可通讯
& }6 g% p" G, L1 J - 2:正在关闭
6 _5 w* z5 U1 ^- ^3 g+ R - 3:连接已关闭或无法打开
9 I4 D5 y# z6 B1 x - */. {+ |$ T. w/ p) @* S
- ! k! Y/ Q) _8 I8 u1 e' j2 b
- //创建一个webSocket 实例
" i; s- y$ E, C - var webSocket = new WebSocket("ws://192.168.31.152:8083");
; e+ H( M2 z( g+ l -
2 s* |7 @! z0 ]& \ - 7 [) w3 G. I- j ]
- webSocket.onerror = function (event){
# K0 F7 O/ I5 `5 }; b - onError(event); ?6 w+ N& q0 f* @8 x1 F
- };5 t; ^1 b6 ?; l6 u! r$ C1 G# U
-
! C I& L& M p - // 打开websocket
( t7 ~0 n, U: l8 ^( z) Z7 \ - webSocket.onopen = function (event){/ W4 M6 d; `* p( U1 m
- onOpen(event);% L7 q* p( g! b+ N
- };
7 |* ~! {$ H& C3 n1 D+ g - ) w; m( m$ F9 a& e/ J1 n# _
- //监听消息2 A! I% w/ z+ I% [% B: D7 w$ s0 @; P8 l
- webSocket.onmessage = function (event){* b$ S: b2 d: d, U& \9 t1 g6 ]
- onMessage(event);
+ K9 G( p+ ]& c9 P0 `8 O% F9 Z, @ - };
$ x1 }! ~) N3 h& b0 p -
7 ^; g- N: r" X ^7 E% U -
; }( k9 ]/ ^3 P, y) C: C - webSocket.onclose = function (event){0 i( l; u' L' L* |& F* Y. O
- onClose(event);5 M7 U; i/ V: X N' g9 Z! x& i z
- } _$ v0 ~: | I( c0 F
-
* N9 a2 ~' Z% O - //关闭监听websocket: R6 j4 c7 y$ v" v( N8 S* U
- function onError(event){0 C' p* A, y! l1 Q4 q
- document.getElementById("msg").innerHTML = "<p>close</p>";
- B8 G) z; u8 i6 L - console.log("error"+event.data);- c4 u9 O' k6 L1 `$ I
- };
% J5 x% N& H/ \, ` -
$ _! P) ^6 G% K5 s7 f6 P5 t7 l - function onOpen(event){
7 B7 H0 ^! r- ^- C& v, S - console.log("open:"+sockState());, r. U! P+ ~# o4 L% c
- document.getElementById("msg").innerHTML = "<p>Connect to Service</p>";
5 a/ B- q% ^2 w' P( }0 z$ c3 i - };
, X. r1 c( n# p. X- W2 k# V/ M - function onMessage(event){
+ M3 v3 c" ~& _/ e4 F, T# Y - console.log("onMessage");
, q; _! o/ F% Q5 l4 Z' v1 h - document.getElementById("msg").innerHTML += "<p>response:"+event.data+"</p>"7 ~* M: O% r" d! G) g
- };
! r' c& E# @4 J. s3 e$ C' @/ A - * B. N0 G- J# B: ^' [, W5 C/ w) d
- function onClose(event){! V: k2 K4 g$ f1 l& p% v5 W, J* {
- document.getElementById("msg").innerHTML = "<p>close</p>";
' \9 |4 G& h* ~ - console.log("close:"+sockState());
4 Z4 X! x1 T/ U! T - webSocket.close();. N) m$ B3 B- ]2 {# [
- }
k. A3 c+ m' v4 L) S -
( _& b6 X% ]; c; L% p ?& V6 W - function sockState(){
2 O9 j4 o2 Y& A0 J5 ` - 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( O6 F+ a+ G- Y
- return status[webSocket.readyState];4 v# g. Q1 o3 V# n
- }( n$ e* |3 o; y: L7 j
-
( C' T& g( C1 z1 F$ V* b - ( t8 Q7 _8 R8 L3 i
-
5 ]% I2 P1 E3 {. Z6 d. M8 x6 C - function start(event){
* Y2 u* l& j' ~) Y1 | X - console.log(webSocket);2 w3 X& z: L# J1 R) q# W* w6 E
- var msg = document.getElementById('text').value;& S" M8 S% a' P7 v% Q2 B
- document.getElementById('text').value = '';
D* M* c2 T" Y - console.log("send:"+sockState());) i- G& m* ^: W, A4 H6 O
- console.log("msg="+msg);
1 F6 P1 A3 _- I* ~, m- S) d - webSocket.send("msg="+msg);2 @$ k* b6 @0 M0 w& y
- document.getElementById("msg").innerHTML += "<p>request"+msg+"</p>"$ x$ p+ I3 O# c8 S0 J Q7 d
- };5 @3 F5 _& b+ Z: l6 n
-
4 I; Y" E: C; o$ q# Z - function close(event){
$ B1 E# B0 U+ A* g5 l8 E$ {( y# W - webSocket.close();8 X3 X% d7 ]- H$ C; S
- }* g% R* E$ J* e
- </script>
# R5 ~, J2 |3 q4 F - </body>7 u) c4 @( u' _
- </html>
复制代码
$ ^4 ]% {$ b4 i% Q+ h8 Z- D. \9 P# L0 C; x. Y/ K$ U, Y
/ x6 K! t7 {5 ^: _
|
|