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' q- H- e1 F0 K* c, I, K
9 e( D5 i, n4 d, c/ q Q% Y% X u
/ d: x2 \- q2 j/ CSocketService.php- \/ B9 p F2 i3 E8 X0 y; G/ B0 y
- <?php. e7 J, y7 o4 ~# Y( r5 s# H
- /**
" _& X$ l, m! B& S' A( Z+ E5 s" m - * Created by xwx$ d0 U9 d' s2 Q& Y! K* t5 K
- * Date: 2017/10/181 N: O) g: K% S" P. y# B
- * Time: 14:33% I1 O% _6 z- I5 ~# ]
- */
, J/ k1 b' O; c* B -
% o' {/ l B+ _0 s0 @' j - class SocketService ?% Z( G. _8 M3 K5 J+ {
- {% C: k% _% z) z" P# w
- private $address = '0.0.0.0';
; d& ?. l' h z7 k4 k# R - private $port = 8083;
" Z8 }, z2 [+ S3 V - private $_sockets;6 e7 L8 e. N! K* l j ]
- public function __construct($address = '', $port='')6 G; |9 p9 \$ h# A7 Q
- {
: ^2 o# I! s( j' T* P - if(!empty($address)){; k3 P3 |& ~( |
- $this->address = $address;% J: o9 e+ P3 m7 A+ J, q, N" p
- }
) P) j) I6 R* e- F - if(!empty($port)) {9 c8 q0 w. l. o. b0 {3 E# l, b% q
- $this->port = $port;
3 w, @ \2 J0 N$ F" E - }) f( w2 \0 a/ J3 \& ? I0 q
- }0 G2 d8 R; g5 d0 i; G- K
-
/ b8 {9 A4 c/ @3 h" e2 S - public function service(){
7 |, `$ c9 @" X8 a# d" s+ C - //获取tcp协议号码。
* x! }- Q# X* F4 l+ w- l. c - $tcp = getprotobyname("tcp");
5 R) @- u! N& p% S: H- q8 ^/ w4 v* F - $sock = socket_create(AF_INET, SOCK_STREAM, $tcp);
* K @! O+ X% N5 j8 {8 f - socket_set_option($sock, SOL_SOCKET, SO_REUSEADDR, 1);
# }8 N/ J$ a# N - if($sock < 0)
5 e, ]! |+ Z1 h) c( _/ m - {0 A$ G2 D6 B6 [# Y1 G* L0 U' \( z& h( e
- throw new Exception("failed to create socket: ".socket_strerror($sock)."\n");! d! h* ]2 l4 F8 I
- }
$ r- L1 z/ I; V ?" q - socket_bind($sock, $this->address, $this->port);
4 X- ]+ g( C/ b& S( C - socket_listen($sock, $this->port);, Y" r, _3 T7 I
- echo "listen on $this->address $this->port ... \n";" \; }0 g2 j. M
- $this->_sockets = $sock;- Z& V( \! \& K# ~5 v. ^. N' M
- }5 ]* c, G# ~6 `& C+ a
- * o/ k8 \: B& N8 O4 D
- public function run(){0 p+ j. F1 E) \6 o
- $this->service();( e, X6 N+ N$ G% ~5 D2 {
- $clients[] = $this->_sockets;
6 Q$ g4 P4 X5 L: z7 ]" Z - while (true){% g8 I5 s* V4 b" x0 t
- $changes = $clients;' F2 `7 S& ?; f7 @0 S: h2 U# v- |
- $write = NULL;
6 O" \7 j& `7 L - $except = NULL;: g6 g! l; ^+ w$ u
- socket_select($changes, $write, $except, NULL);
0 J6 C* s9 J# u. Y% Y6 A - foreach ($changes as $key => $_sock){* ?7 f1 l# F: O# ]. V
- if($this->_sockets == $_sock){ //判断是不是新接入的socket9 I/ B# Z. n }! s
- if(($newClient = socket_accept($_sock)) === false){
* k; J6 D2 o3 ?1 l - die('failed to accept socket: '.socket_strerror($_sock)."\n");" f4 K+ D1 L) v- `9 N2 m! @
- }
" c" s- Q& t" J S8 ]1 V( W! Y - $line = trim(socket_read($newClient, 1024));2 q$ q" Z7 H% |9 O1 g
- $this->handshaking($newClient, $line);
. f( G$ |7 f, Q& P6 s' T - //获取client ip* i, t3 D2 A: S; r( Z+ p
- socket_getpeername ($newClient, $ip);
% |7 T+ a' p! W7 G - $clients[$ip] = $newClient;2 x8 @$ J% N: C3 I6 f- U0 Z J; R
- echo "Client ip:{$ip} \n";0 i' j% U3 K+ V, g; }3 }& p
- echo "Client msg:{$line} \n";
* J* X* y3 E( J6 `9 R8 n, G - } else {
6 h: ^0 ]- Z) q) E - socket_recv($_sock, $buffer, 2048, 0);
* J4 K+ U' f+ F1 r1 [7 n. y - $msg = $this->message($buffer);
' [6 t( v" x+ `' z$ p' J7 a - //在这里业务代码
& h$ \+ \/ {8 D; C - echo "{$key} clinet msg:",$msg,"\n";
8 A2 X& j# J `$ Y3 ^. L5 q* N - fwrite(STDOUT, 'Please input a argument:');4 N: A8 D& K, \. {& [( Y# f
- $response = trim(fgets(STDIN));
' E; T1 k: W9 E3 r' c$ c - $this->send($_sock, $response); n: l: q R: T9 I8 ^2 I
- echo "{$key} response to Client:".$response,"\n";
/ S M+ [" a# Z X" Z* w - }+ N8 l4 }; ] I* g$ h% C0 K
- }* G- F. w+ t/ k3 o7 {2 Q# v
- }% f W8 Z( u, \: @9 y/ _/ n" L
- }
) Y9 |& c' h4 l3 `1 L7 D1 v) @ -
0 d/ y; r3 H+ h! L - /**+ }) g% |& D/ V0 F; Z: P3 N
- * 握手处理4 e- z' o1 W! Z W$ x# i+ [, ^
- * @param $newClient socket4 Q5 f& ?* u0 X: P9 M- u2 H
- * @return int 接收到的信息
( I" w& J& a6 y/ a5 {$ {# i/ B - */
$ a/ `3 R, I/ T. F - public function handshaking($newClient, $line){& H; b8 J* Y6 S0 i2 H- G4 t
- . m* x9 H: R9 B1 l9 [
- $headers = array();
4 s0 q' K5 ^" s; i - $lines = preg_split("/\r\n/", $line);
3 b& x$ t6 G8 Q% ^4 f - foreach($lines as $line)" A# a: v' W5 x( G0 A6 ?
- {
( X0 _3 b5 X, m4 _ - $line = chop($line);( Y3 ^, W' F" ~8 S
- if(preg_match('/\A(\S+): (.*)\z/', $line, $matches))
6 x( M* k4 M6 `' d. v' X - {
4 C- j( m$ t, q - $headers[$matches[1]] = $matches[2];# }; {" F9 Z3 K. g x1 V: v
- }
Z! l! f. ]- u: F. |$ N - }
, y J9 o' U; t; | - $secKey = $headers['Sec-WebSocket-Key'];
' {& q/ |- k4 c" ~8 n - $secAccept = base64_encode(pack('H*', sha1($secKey . '258EAFA5-E914-47DA-95CA-C5AB0DC85B11')));2 E! Q! R$ X1 s( j. H
- $upgrade = "HTTP/1.1 101 Web Socket Protocol Handshake\r\n" .: c% P( Z5 c4 D( y. o8 c' E6 {
- "Upgrade: websocket\r\n" .
* G7 m& B) b/ K" Z$ a - "Connection: Upgrade\r\n" .
4 ?' L9 G7 R/ M1 B: u [ - "WebSocket-Origin: $this->address\r\n" .. E2 ?* j, L! D2 |( P) i
- "WebSocket-Location: ws://$this->address:$this->port/websocket/websocket\r\n".
8 f7 @) r6 j) D4 \9 H2 l D - "Sec-WebSocket-Accept:$secAccept\r\n\r\n";
& ]! E) O" ^& y - return socket_write($newClient, $upgrade, strlen($upgrade));% t3 o: i7 s. ]. d/ ~+ c9 W) M
- }
9 x0 J' N3 q3 {* {7 Z -
8 g1 q: V0 d# u3 X* L. r( S7 j" @" _ - /**- W2 `8 A" a, V0 Y/ h$ k
- * 解析接收数据4 \: p1 ?. ?" l$ N
- * @param $buffer
! h$ g y0 M2 N7 H* { - * @return null|string# H' O3 N6 \9 s* k" C* a
- */* j8 c* [7 ]) i# Z: }
- public function message($buffer){. o; P- }# M. v0 B$ I* ~! f
- $len = $masks = $data = $decoded = null;9 r! J7 _" O! ~5 m# }! e4 g1 D
- $len = ord($buffer[1]) & 127;7 j; D4 R5 @# j
- if ($len === 126) {3 m s" A( ?6 U* ~
- $masks = substr($buffer, 4, 4);" o+ d3 z N. g% e5 Q
- $data = substr($buffer, 8);
$ A5 G1 a; x! S: p - } else if ($len === 127) {
+ c% a h4 h: O: ^6 M7 i- x; y - $masks = substr($buffer, 10, 4);
2 k8 \! B. |5 B2 R0 h( B: L) [ - $data = substr($buffer, 14);% C5 P' b2 ]2 B v4 I: @& |! g
- } else {" q. F. K; I( \! I; v4 Y3 D
- $masks = substr($buffer, 2, 4);, y& x5 b3 M7 D: n7 x
- $data = substr($buffer, 6);
: [0 N' y( U) T3 {. S - }1 \) C. d& w U4 u* z
- for ($index = 0; $index < strlen($data); $index++) {
, e5 L3 A2 `5 L: [7 ^, b - $decoded .= $data[$index] ^ $masks[$index % 4];
5 J! _5 H+ ?- X3 Q! q" r: Z8 U - }4 l5 Z- S; H6 N
- return $decoded;
! f0 O* c: {& ^9 w* B - }; y" C" ]8 ?+ T a- l
-
; A+ ^! _% Y* B - /**5 ~* a" g( _% `8 o/ S
- * 发送数据
& ~0 K! j' C+ x; n, [ - * @param $newClinet 新接入的socket$ s* u9 T0 B& J" H
- * @param $msg 要发送的数据
# y) S6 c5 A0 \/ w* n* Q" D' ]: J - * @return int|string
: Q) Y5 g' ?* D3 m7 N - */. N9 \* O; k9 C. y( G7 L p
- public function send($newClinet, $msg){
. O& |8 w1 n2 E: I5 B) H T" t, i4 ^ - $msg = $this->frame($msg);
8 w+ [' Q1 {! q3 ]3 n$ i - socket_write($newClinet, $msg, strlen($msg));4 J3 c& M% z, I
- }
; c O1 S, b5 Y, I - w" j( q" Y* a6 u3 T, z6 N
- public function frame($s) {
5 ~/ Z& A3 Q' z0 O$ N; ? - $a = str_split($s, 125);
; }6 M9 R4 F6 @* _( P: m( p - if (count($a) == 1) {
1 a& G# [% k; y# E5 @ - return "\x81" . chr(strlen($a[0])) . $a[0];. R5 ]. P9 Z [( M; i: V
- }
Y$ O/ U) n. l - $ns = "";- N" \5 D; I8 m
- foreach ($a as $o) {0 y8 k2 m! \( h. q
- $ns .= "\x81" . chr(strlen($o)) . $o;
; ~$ n' H$ V9 i* x1 [$ R/ c' }5 u - }5 a! u6 m: p- W1 \- T
- return $ns;
+ ~0 ?. b. p+ Z - }
5 }2 ~8 x) ]( S# \4 P9 L- _ - 9 h* d2 L" m9 U! y9 ^! l
- /**6 r3 K) w9 P: O! e1 A
- * 关闭socket) ]/ G2 y6 E* p/ {! P, Z- @
- */
- J9 s L. J; b8 Y8 t - public function close(){
! s5 y# G* d# _# Q/ {* Q - return socket_close($this->_sockets);' g3 v$ t W, j& X- R) ]* R# V1 h
- }, d+ L! a& }7 E) w) ?' W3 c
- }1 e$ Q6 q: V1 j. H6 U' Y8 j2 N) C+ K
-
8 v4 |; Y* B4 |0 C; E; a1 g- k - $sock = new SocketService();
1 R6 c: Z8 c% A - $sock->run();0 k8 u) s! p. }5 A3 s
4 ^8 w8 z! s1 T8 M0 V
复制代码 web.html; u9 K( L; j( ]6 H0 ^& F5 ?5 L
- <!doctype html>3 |7 Z. H3 A4 r: L/ K) Z5 L: |* E
- <html lang="en">
/ ^# O% e) ~, R/ @( ^ - <head>7 z* u6 y. T1 q$ i( P5 v: a
- <meta charset="UTF-8">3 U+ C6 I, Z2 R8 c
- <meta name="viewport" content="width=device-width,initial-scale=1, maximum-scale=1, user-scalable=no">. b- C, b; J7 t3 M
- <title>websocket</title>
) k! d8 I" a% N+ Y& `3 s6 z - </head>! n) i# @. t: f$ O1 m4 ?
- <body>
& r! h% E5 p$ e: n3 T2 b - <input id="text" value="">
. Z* p) j) T# q! L- c. M - <input type="submit" value="send" onclick="start()">! E6 e- ?/ E$ E; G. n
- <input type="submit" value="close" onclick="close()">6 ^" ?2 t# J9 v5 ]
- <div id="msg"></div>3 S8 s$ z' C1 u" G G
- <script>/ O0 @* e- k4 R* r
- /**0 E8 c( h# S1 n. G; w
- 0:未连接
# M/ W3 P' q) B5 e0 W3 B2 M - 1:连接成功,可通讯
6 S6 c R1 f1 |5 o% s - 2:正在关闭" c1 U( g9 D+ L5 V9 _
- 3:连接已关闭或无法打开
/ V( v7 G, D. [ y2 I7 M c - */
$ N- ~3 X, Z3 _- \0 u% ^' o- G2 i -
2 q+ c9 c% ?4 v7 Z6 c+ Y1 M - //创建一个webSocket 实例' ?: h( R; L3 b3 L7 k# U9 s
- var webSocket = new WebSocket("ws://192.168.31.152:8083");. u/ S$ B" T3 K, k2 `
-
. `8 y9 y/ ?5 n/ Z -
* b0 |3 t3 Z; ^# `; B - webSocket.onerror = function (event){" |3 V5 |$ M4 J4 S; x& a- I
- onError(event);9 ^+ E4 S' w5 o
- };
, G. }) _' j( V( A -
+ a$ D" G0 O* t* Q' Z/ R/ T2 L - // 打开websocket
, o3 Y7 [) `- O; [1 T. }) u - webSocket.onopen = function (event){
i6 }4 d' t2 @) K7 A8 H r# Z4 G - onOpen(event);
3 ^1 Y! D& m& B1 l5 S9 \: t, D6 e3 ^ - };
1 g3 h+ @/ |- E# S0 |) R; q - . [9 O; |* c2 }3 P. c( V$ S' Y3 J
- //监听消息- l- q" D2 g0 n9 j
- webSocket.onmessage = function (event){* Y' t# V5 a k) H7 ]
- onMessage(event);* N( R' v0 T' S( b
- };6 r4 p' [. z4 O& i4 j7 ]
- n; p4 H2 t9 r; g5 i/ j
-
F E q4 ?- ~3 \ - webSocket.onclose = function (event){+ S! W1 s8 A" d3 s" Z. x! z
- onClose(event);
$ @$ |8 V$ p) t5 }. L - }
( P6 }3 X" A8 ] k- j -
4 @$ p# S* R7 X, T" P3 `) P - //关闭监听websocket
0 Q8 s+ G/ j* r+ [0 b - function onError(event){
- Z' ?( ~5 ^" o+ J - document.getElementById("msg").innerHTML = "<p>close</p>";3 d! c( x% L8 S7 n
- console.log("error"+event.data);2 ^; W! ^6 Q( @0 z$ T
- };
1 B1 F- ?# F' v5 A - ' A7 G( [* c2 `$ }+ e$ Y% {6 c: j$ V
- function onOpen(event){
* Y1 G: b& \1 R3 K. F' A" b - console.log("open:"+sockState());( b e! o+ ?! v
- document.getElementById("msg").innerHTML = "<p>Connect to Service</p>";4 a2 r4 x% q7 W+ @4 O/ M3 n
- };) Q) W5 | O4 t1 h) g6 e3 ]; M, R5 {
- function onMessage(event){
) W/ A, m' C4 [/ k a9 I. S - console.log("onMessage");
/ r1 r3 u7 o8 W! g3 T( b* H - document.getElementById("msg").innerHTML += "<p>response:"+event.data+"</p>"8 a1 F# E1 m; C6 E+ T. ^- L p
- };% Y% u0 u8 H/ q4 n7 N& [+ y% q
- ' p: ]1 |1 G. G& C+ r6 y* R7 E
- function onClose(event){
# K: q) p+ @# N" K - document.getElementById("msg").innerHTML = "<p>close</p>";4 P! V. _* y4 Q: e/ x* _
- console.log("close:"+sockState());
3 ]3 d9 c# a4 k3 M9 R6 C2 Y - webSocket.close();
' W/ S2 s' y3 q6 r - }% E: l! O4 o; M
- : f& Y8 _$ u0 b' g s
- function sockState(){ b; Y6 x; P: f, d1 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'];
3 f. X* d* f. V8 w - return status[webSocket.readyState];
: ^+ ~# N. l6 T4 t6 t - }
1 Q0 i8 e) l( J0 P% x -
5 ~# O3 d# Z) X - 0 y0 r5 U! w0 ~: x. N7 J6 N6 e a
- % c H: F% P- O3 ]5 t, R# F
- function start(event){
4 L& w# X# s* W) D! V - console.log(webSocket);4 M/ {0 ]4 h1 r3 Z% e! ]
- var msg = document.getElementById('text').value;
J( Q5 i4 B# i* c" W& V5 y! q - document.getElementById('text').value = '';% f4 i+ ] d& z+ G9 E! ]0 m
- console.log("send:"+sockState());# H: A6 c% g! e! K3 [
- console.log("msg="+msg);" B' W: I% {; |
- webSocket.send("msg="+msg);4 J) x: p) Z# W9 t1 I, |( M
- document.getElementById("msg").innerHTML += "<p>request"+msg+"</p>"
; Z" t/ F1 `8 w! | - };
$ ?1 ^ \0 z6 s9 V9 D1 ^ -
. j# m0 ~% l& ^# S4 `$ X5 y7 [ - function close(event){$ @' P/ v4 d, ~* k! k: s' N
- webSocket.close();
1 @: s# K; P' X* o; J - }
( A5 J' H4 x/ n+ @! d$ h - </script>2 f2 w- h. l4 H% ? W* b
- </body>5 G% x. d9 u1 Z/ u9 @' F
- </html>
复制代码
: h+ n5 s7 F% J6 g0 R4 ~3 n& [, E5 t& p/ G1 c2 l
- z, k- D" [# C" F |
|