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php实现websocket实时消息推送$ {4 ^# R3 t2 l4 k3 q
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, U' I4 n- V4 }# ` _( T' ]: g4 lSocketService.php- l D2 l6 ?0 z2 q
- <?php, f7 k2 o8 a9 _4 o; ?6 ]
- /**
8 i7 O" M0 }5 m b& U - * Created by xwx$ U! M) S# b% P' d' [
- * Date: 2017/10/18
8 O0 C# W, E: L3 V4 M7 L, J- g - * Time: 14:335 `! k. N C" [( q( s, B z
- */
2 }% L( w, N. i# q5 z- Y - , J1 p6 _+ t5 O. t0 q
- class SocketService- u% k# N2 ^( c% g
- {
, F0 H! C3 j2 q q - private $address = '0.0.0.0';
; N1 z* A9 K( t% k- U1 _ - private $port = 8083;0 X# _2 c: R) D2 D& _/ H
- private $_sockets;. f, s* S3 O8 L3 \
- public function __construct($address = '', $port='')
" m5 `9 u* r6 O! F/ S8 @ - {0 \+ U* X! G9 }3 N3 K
- if(!empty($address)){; E2 X0 s; W! x: q' o, ^
- $this->address = $address;+ I+ c! L! H5 }# H! R1 j
- }/ ~2 i8 Q8 {# N$ ]# K9 e
- if(!empty($port)) {7 d) ?- }6 h# f9 k4 [. @, i0 j3 b
- $this->port = $port;
+ N# f; Z& }1 d* R - }
6 ]% ~- s( x1 z& I" |0 G - }% X2 \8 v) g& E! ?! x+ n
-
+ V) a' s; K2 Q7 X, w% o - public function service(){
/ [: H3 V. P. h* x - //获取tcp协议号码。
2 {" {! c. Y% B, ~& }) e - $tcp = getprotobyname("tcp");$ D6 a0 p; N N" E4 C
- $sock = socket_create(AF_INET, SOCK_STREAM, $tcp);
" Q7 N& K) e. W* ? - socket_set_option($sock, SOL_SOCKET, SO_REUSEADDR, 1);. z% e2 t; ?: g
- if($sock < 0)
) N1 o, T6 d* C. p/ g - {
) t# Z3 H2 K# M - throw new Exception("failed to create socket: ".socket_strerror($sock)."\n");
2 e1 k6 t) ~* g! T - }" w" Y S' N* J8 Z; q
- socket_bind($sock, $this->address, $this->port);4 h0 b$ a+ w/ Y2 t7 |4 x, @
- socket_listen($sock, $this->port);
; K) d2 ^ I$ R% Z- q" } - echo "listen on $this->address $this->port ... \n";
I% r5 c3 f( r, \4 G, }/ F - $this->_sockets = $sock;
/ W- P; \. U4 b5 J - }! v9 L s1 @. ~! Q) K' z" d+ G
- + E+ [ H" z! a
- public function run(){
. W+ T" |4 [1 V" U - $this->service();" K6 r4 L0 c4 L q$ `
- $clients[] = $this->_sockets;
& V1 X) h/ s6 J+ d7 L - while (true){
: E+ x' A- ~; T* l: H - $changes = $clients;
. s: H. s/ }4 F: }9 j2 m# y9 L9 i8 v0 } - $write = NULL;; ~+ C: A2 v3 l
- $except = NULL;% I7 c/ C+ y) A- F) \& b6 S
- socket_select($changes, $write, $except, NULL);
7 ~0 M4 ?& s/ n4 {/ w! e9 \ - foreach ($changes as $key => $_sock){
0 T* j9 F/ V) q- G7 I - if($this->_sockets == $_sock){ //判断是不是新接入的socket" b/ w% P! t% T) X. l8 [* ~! c
- if(($newClient = socket_accept($_sock)) === false){1 V, G: L @) U$ S" u h
- die('failed to accept socket: '.socket_strerror($_sock)."\n");
z# x4 e5 \* K' V" U - }2 _! V- U2 x( }. ~: u, g' \
- $line = trim(socket_read($newClient, 1024));
# Y5 z: r; [7 f9 I/ b3 ^ - $this->handshaking($newClient, $line);
' S, h( W7 X: I& V - //获取client ip
: _8 l- D, a" n& ~: j% b6 ~ - socket_getpeername ($newClient, $ip);
+ I; K+ B& S! P5 c; U - $clients[$ip] = $newClient;
6 z$ F; Y. V9 D1 z5 v4 |, @" y- I - echo "Client ip:{$ip} \n";
3 F' Q' ? P' ?9 K. q, P - echo "Client msg:{$line} \n";0 }" a" S5 x4 H( w
- } else {
$ n7 @) D1 [# @' } q f - socket_recv($_sock, $buffer, 2048, 0);
- D* Q, `% R6 `* r. x' j |: {! S/ n: H. X - $msg = $this->message($buffer);
% e7 U. P* H0 C; V) I# D& S6 v - //在这里业务代码. i. p* a: H( ~; ~1 j! \) f
- echo "{$key} clinet msg:",$msg,"\n";% H3 C! c+ _" o8 r4 f3 K3 J
- fwrite(STDOUT, 'Please input a argument:');! w& f2 n _8 k2 k0 @2 `3 o4 O
- $response = trim(fgets(STDIN));
9 B- Z! _+ i' b - $this->send($_sock, $response);4 | w1 d3 z, D) s
- echo "{$key} response to Client:".$response,"\n";7 O* {2 B( m7 o U8 \3 i P, T
- }' n! V/ ?7 s) D t( H
- }$ x) h5 B9 l% V: v6 ~
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- 4 u9 [' \3 n' N* A3 K
- /**
) G+ |7 x6 L7 f - * 握手处理
; e7 G6 e/ F/ n* M. P - * @param $newClient socket+ }* K1 T- U& H( O- i% `
- * @return int 接收到的信息4 k9 }9 ^! T/ W- t- {
- */
' A L2 w+ B7 ]' k) w X* j" A - public function handshaking($newClient, $line){! m8 T! U3 q& I
-
- \+ k. d+ B" i, w# R - $headers = array();/ K7 L: ^, k. Q& N! ^* {5 y
- $lines = preg_split("/\r\n/", $line);
4 L1 i- m7 X8 o* L - foreach($lines as $line)0 m7 L3 k$ { v i
- {
& y1 G* t8 y8 W/ t, e* U - $line = chop($line);0 G3 ^+ l+ ]3 ?% [+ \% u
- if(preg_match('/\A(\S+): (.*)\z/', $line, $matches))- B2 s9 @2 ^( v; ]
- {& I# P5 V( n0 M4 E/ @0 s/ u
- $headers[$matches[1]] = $matches[2];" A' H/ S% z. V
- }: m1 T% y8 p r! s7 i
- }; v: x$ W" v$ S3 X3 v! f
- $secKey = $headers['Sec-WebSocket-Key'];$ [9 U8 A% V$ d# x1 A V
- $secAccept = base64_encode(pack('H*', sha1($secKey . '258EAFA5-E914-47DA-95CA-C5AB0DC85B11')));
8 S% c D- v* F5 G0 @* M - $upgrade = "HTTP/1.1 101 Web Socket Protocol Handshake\r\n" .' x& V0 T5 R$ W4 I" {8 B! X
- "Upgrade: websocket\r\n" .
. A) o$ \! @3 C C4 `# a! a - "Connection: Upgrade\r\n" ./ r8 `" f; C. a* |
- "WebSocket-Origin: $this->address\r\n" .; K9 Q! @. e! N2 V {% }* w
- "WebSocket-Location: ws://$this->address:$this->port/websocket/websocket\r\n".
. E/ I5 {9 ]) @# M* r- X. k - "Sec-WebSocket-Accept:$secAccept\r\n\r\n";
: {- Z; S6 t* m7 f, w6 c0 t - return socket_write($newClient, $upgrade, strlen($upgrade));
# G6 ~5 ^7 a5 P# O - }
D* l2 x& j5 w, M, y -
' ~# y+ I% [, Z - /**& T3 c& R# ~5 e+ b! P6 g0 p1 p
- * 解析接收数据' Y2 ]! }$ O, S: i
- * @param $buffer: S% p! b. T8 ]( \
- * @return null|string
* Z- \' Q0 ~8 A A6 y3 Y6 w - */
+ y9 g. m2 B7 G, F/ R7 X# z8 w - public function message($buffer){% L. M1 Z) J% l
- $len = $masks = $data = $decoded = null;. ^; p0 j' @7 `, Y5 b3 S
- $len = ord($buffer[1]) & 127;4 z6 I6 Y1 P0 y
- if ($len === 126) {
8 L1 H% A' I, P5 e - $masks = substr($buffer, 4, 4);3 W/ g% q# f2 H1 e* J
- $data = substr($buffer, 8);
7 i3 ?6 o) n O9 w - } else if ($len === 127) {9 P; H. e8 m; ~7 ^
- $masks = substr($buffer, 10, 4);
& I8 Y* ^: d- M- X$ v- _9 P - $data = substr($buffer, 14);
% r4 p$ L4 X; g" ?: a& R* o1 v - } else {/ t& r9 G7 Y1 v
- $masks = substr($buffer, 2, 4);
9 d! Q) a: C* }. z n1 ^ - $data = substr($buffer, 6);
/ T) D9 N$ c X) H, i: H - }6 X5 m" d& e6 |7 ?' i: `+ s, y* }
- for ($index = 0; $index < strlen($data); $index++) {
* u* h, r5 w1 z, o# }- K `7 Q8 n - $decoded .= $data[$index] ^ $masks[$index % 4];
2 {0 _; i( _2 b# V7 b - }
- } U# e3 @3 K - return $decoded;' g8 f2 u# Y6 f! ~7 ^
- }
- A; X" G6 A; g( x -
5 }4 H/ ?2 C) h9 ^; o4 Y - /** d) W& v" E6 q" ~
- * 发送数据
4 b$ D: i( G; P+ D! Z$ O# O& f - * @param $newClinet 新接入的socket2 ?: J1 x7 M" v5 m$ d" u8 _& w
- * @param $msg 要发送的数据
; k5 [# u: d4 k9 Z8 q/ }7 Y - * @return int|string
7 _# b# Z8 [( z- Q0 M% D1 | - */( h/ @ ?' {% N9 V" E
- public function send($newClinet, $msg){
3 p9 ?; K, I* y' h/ T K: c" N0 W B - $msg = $this->frame($msg);
8 i1 G2 c2 {0 r& A, C4 Q - socket_write($newClinet, $msg, strlen($msg));6 @0 [0 r) l8 x: W8 [, O# A
- }
& a% R& t6 ]; j! r6 l- a, j- j5 K -
3 z6 N" \! _' A/ u& | - public function frame($s) {3 S0 \- A2 ?+ r5 ?; @
- $a = str_split($s, 125);1 p& [6 ^# C, |. E+ W
- if (count($a) == 1) {; i# A) a* y( k4 ~/ {/ l
- return "\x81" . chr(strlen($a[0])) . $a[0];7 u$ M+ G5 r7 d9 f$ t' e
- }3 g- W! q5 R( B) D8 G% M
- $ns = "";4 p+ ?$ i% B0 o
- foreach ($a as $o) {& f/ @2 e2 g% B: i+ r% Z0 w
- $ns .= "\x81" . chr(strlen($o)) . $o;, B" F L. X* U4 X, t2 V5 E
- }9 H% @8 m; a( j/ t; v
- return $ns;
& {8 @( P4 l7 ]1 Z5 c2 V" G - }2 l, H, ?( t+ }* Y- D5 a6 b q
-
0 Q' L+ s$ [' X$ @9 J* Z5 ~ - /**
- y* I% S- U9 Q# d' X6 A. { - * 关闭socket
+ V% w: O0 W4 Y* E+ v: I# x - */4 _" i. E/ P% m3 o& z$ J" j' L6 o
- public function close(){
u4 b% i0 z& j' h$ c4 ~% j+ ]3 M - return socket_close($this->_sockets);
$ i* e2 S. Y6 q - }) J- l. o7 J2 g& I9 W
- }
/ ]! x2 a# j; _$ u9 A* h$ v -
$ r4 l. X$ g9 ?0 Z8 x - $sock = new SocketService();
3 A: v& Y' u! M - $sock->run();6 G; I7 x' O b) }: t
: @1 O2 }; a" m; M
复制代码 web.html5 d1 R$ }+ s4 v) T
- <!doctype html> D( N3 q& s8 H) `
- <html lang="en">
* S- e/ x5 Z( ~: u! R' I - <head>- n2 L# }7 i1 ]2 y0 h4 Q+ T" }
- <meta charset="UTF-8">
) Q3 ~, Z4 ]1 U; H7 N8 \2 y9 a. U - <meta name="viewport" content="width=device-width,initial-scale=1, maximum-scale=1, user-scalable=no">
9 ~) ]4 F9 g; s+ _ - <title>websocket</title>
7 U: h) Y2 H# B, o - </head>
, J+ ?9 S9 Z+ I0 h# o q - <body>& ?) ^' @& s6 Q: p) W
- <input id="text" value="">7 g$ z2 l2 [& v8 v: y4 g+ X% R7 F
- <input type="submit" value="send" onclick="start()">
* l, t0 s5 v' V0 C - <input type="submit" value="close" onclick="close()">
% J) G4 y0 e+ k3 d# b s - <div id="msg"></div>/ W% x7 p6 f/ ]7 I& P6 t. j z
- <script>
0 f k( k3 J# G) q) T - /**
; |$ f3 ^7 F& w8 a x0 o - 0:未连接
) @0 L3 }& y/ R ]! u3 p! Q - 1:连接成功,可通讯
3 _; j% y, o7 D0 L( ~ - 2:正在关闭
4 E7 K' t" F$ z% K; G: }) G5 o - 3:连接已关闭或无法打开& T) X% ~: M! x# I* A
- */
' N, t' ]+ Z4 j0 u# d -
8 h. ]" Z) n2 W/ T" d% s - //创建一个webSocket 实例
- N; M$ M2 M* }# g0 ?! l% o - var webSocket = new WebSocket("ws://192.168.31.152:8083");. Q& u8 e3 X, M+ c: B6 R
- : ^* Y6 [% e# T# j0 n
-
P# M6 _& e8 U T - webSocket.onerror = function (event){
9 B( |% P- J* ~ - onError(event);! t3 s) y3 L6 D0 w( E
- };
6 s& q% ^" [/ w: L; O; J+ n3 S3 f -
( P; u4 c! k' A! k8 G9 U - // 打开websocket
7 ?9 R" n- ?6 {- J" ~ - webSocket.onopen = function (event){
" y/ B" K& r7 p8 A6 x - onOpen(event);
- H! ^; L/ e @ - };
$ `6 ?) D& r: {) J' Z -
2 ]( ?$ D' p4 D+ R - //监听消息
6 V- P- |: O1 b; J$ E/ S - webSocket.onmessage = function (event){ F+ U. i3 C( F' F. Y7 u+ Z/ o# o
- onMessage(event);3 w5 u* ?, ^0 z% F j3 f
- };
, K# n5 j; S2 v$ X0 D -
/ ~$ _ I0 Q* {+ ] - ! ]( H# B$ u. i& e2 _! \
- webSocket.onclose = function (event){
9 ^& q- b& ]- M - onClose(event);: @# }% v& H0 ^
- }/ \4 Y! Z& R' {" Y" O: o) k) U
-
" p4 R7 A& n/ L& R% g! b - //关闭监听websocket+ H% G% s! s$ T5 v$ q3 L
- function onError(event){
; F4 e# ?% C* v' u: J# r - document.getElementById("msg").innerHTML = "<p>close</p>";/ b4 Z# a6 H5 M v
- console.log("error"+event.data);/ _( l* _; C0 a' t
- };
7 z- g8 B) K5 m) h% X" F -
+ g2 D3 V" U% l5 R - function onOpen(event){, y9 _5 G0 `( \: V0 W' t( m
- console.log("open:"+sockState());
+ e" R3 J1 r$ a; F+ { - document.getElementById("msg").innerHTML = "<p>Connect to Service</p>";. F6 D* S& D/ d; g
- };
1 _! ]0 { C* {7 Q - function onMessage(event){
' Z# ^, b4 _( H3 w2 f9 D8 v - console.log("onMessage");4 K) D7 Q) F) E
- document.getElementById("msg").innerHTML += "<p>response:"+event.data+"</p>"
# `( o3 l% \9 H - };
5 f5 `2 _, W- r - : u5 U; e) D Y
- function onClose(event){
/ Q/ N0 Z3 T9 `% Y - document.getElementById("msg").innerHTML = "<p>close</p>";
/ g9 B$ B; ?1 V5 F. c. K+ x3 X" j9 K$ H - console.log("close:"+sockState());
3 t( y" `/ V; m+ O# R - webSocket.close();2 t5 | `! L' O/ m2 p5 g4 Z
- } Z3 y0 x0 P; g2 H8 U/ N
-
( d! T$ a' J' h* B# V - function sockState(){
! z# `' J; C/ V& M! r3 H0 O- H' D8 _ - 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'];
# f9 E$ u, u1 U; K$ t1 v - return status[webSocket.readyState];2 t' S- l& R) [' Z
- }
, H2 {, b( P1 n) ^; o: g8 T! n -
6 ^: G0 v/ |- |2 j8 m - 1 E' Y* g) w- ^( M
- ( t% @: A6 l' v3 @
- function start(event){
) r: N& S! p5 c' s, K - console.log(webSocket);
5 W7 Q3 t, U8 S) r5 B& h( q8 P8 j. Y - var msg = document.getElementById('text').value;
2 U+ x; a7 {$ n2 p - document.getElementById('text').value = '';
8 l \+ K. }& O, H7 ^4 z" n8 y( ? - console.log("send:"+sockState());
- @! {; A6 c: }0 ^, ] - console.log("msg="+msg); S0 x- P" P6 n. l6 `" _
- webSocket.send("msg="+msg);5 k: u! Q& N q+ m; f. R
- document.getElementById("msg").innerHTML += "<p>request"+msg+"</p>"1 V; W8 {' F e4 m A6 L7 I
- };
+ y+ G. o' Y' W: g - # p7 n) f+ G) l8 Q) Q& v, n: D, c
- function close(event){
8 G H+ o& M; _& k - webSocket.close();' f8 F3 g0 \# I. t
- }
; e: F- v1 ?, V- L - </script>
' p, V$ X* Q5 o, K3 r - </body>
! v5 K0 t6 p8 E m; S. S# g7 h0 b1 O - </html>
复制代码
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