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php实现websocket实时消息推送7 R+ i# l, E' X8 d$ ?4 r
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, @+ z+ J0 t- W. t$ J7 j YSocketService.php
& ]/ }& K9 j% Y0 z$ f- <?php9 {$ k/ ^" o0 x# J
- /**; M2 B" j- _: G a, ?
- * Created by xwx+ \5 V* R3 r) z6 I# q. |
- * Date: 2017/10/18
+ ]5 V$ r& A# d0 w. K3 y" } - * Time: 14:33
% t7 I$ v# l3 V. |& T - */
Q* d9 L: a# j3 ?! C- T -
) j" a: V0 B$ Z0 ]2 O - class SocketService
2 F; t W& N- B+ B5 G - {
8 Z( Z, |0 g$ ^1 v: s - private $address = '0.0.0.0';
. |. [ m& ~; g& Y7 C: c M - private $port = 8083;6 t, b( [$ A. x
- private $_sockets; D8 A5 ?- k, E: h, H2 r' Y" h
- public function __construct($address = '', $port='')
, l. z9 m- `0 n0 n& t- }9 ~3 Q - {
8 D+ d2 F8 e$ \* n - if(!empty($address)){( d' S. ? Q x0 e: H
- $this->address = $address;
1 A! S; w: u1 ]- O& g0 H - }
. L/ ^8 {7 n6 y' d8 M2 k) r: E; ] - if(!empty($port)) {- W+ o7 l4 N- }2 A1 t+ H0 a. n1 T
- $this->port = $port;0 |5 R% ?6 D4 T8 Z( H/ z4 E, b
- }
0 j, _# Z" R% ^! w* P - }0 W* A# ?4 h- f) [7 D/ l% E
-
% b! T4 h7 O7 [7 i7 a- l V7 R - public function service(){8 j1 W e3 s* @
- //获取tcp协议号码。" A" v. R" @) a! ]9 j" C
- $tcp = getprotobyname("tcp");* I2 M/ W, D6 {7 W
- $sock = socket_create(AF_INET, SOCK_STREAM, $tcp);' n/ R8 W# v) Z9 Y m- J6 l
- socket_set_option($sock, SOL_SOCKET, SO_REUSEADDR, 1);
: ~5 a1 D3 J( V - if($sock < 0); p) w$ C7 }8 o! p3 d- i
- {2 n4 ^7 B3 r7 B( u( U9 g) M5 Y- u
- throw new Exception("failed to create socket: ".socket_strerror($sock)."\n");
$ I2 O# N! B) \' i' e - }" ]( _" `3 m: n/ @0 e$ e( U
- socket_bind($sock, $this->address, $this->port);
; H' m4 B# p! [$ W# q - socket_listen($sock, $this->port);# N/ g* K. ^+ q8 p6 T% r- B$ a
- echo "listen on $this->address $this->port ... \n";
1 S. G' a( k! ?, g, x - $this->_sockets = $sock;" Z0 t* B1 j9 N4 F3 M/ |9 N
- }8 a r. D5 w* C! h; s5 [
- ( {, T. ?- B3 i' D: z
- public function run(){3 ~& X, ]( e% Y
- $this->service();
6 Y* c' u0 q( J: N - $clients[] = $this->_sockets;
- p" w+ L+ n; S - while (true){
5 Z6 K8 ^+ |; A, q3 u/ t2 D - $changes = $clients;4 Z. ?9 V0 j) e0 V X9 ~
- $write = NULL;
( e% h+ b9 ~( W7 u. w - $except = NULL;1 v0 I3 `5 l: s. j2 `6 }% b
- socket_select($changes, $write, $except, NULL);
/ x' b( K9 u: S - foreach ($changes as $key => $_sock){
$ [: b- A2 f @2 T4 B- J/ i - if($this->_sockets == $_sock){ //判断是不是新接入的socket* w# P9 F" j7 n9 H* g7 c( ?
- if(($newClient = socket_accept($_sock)) === false){' K! ?1 E i: y' ~% P
- die('failed to accept socket: '.socket_strerror($_sock)."\n");$ ]3 C9 L: T6 B. S
- }
/ a+ ?, e$ ~: h3 v$ Z5 J) e# {+ t - $line = trim(socket_read($newClient, 1024));! D" d2 Q$ P5 ]. N" j( c( F* W
- $this->handshaking($newClient, $line);
! u; h* B: b" w/ I- B4 ]# N - //获取client ip9 t+ D+ h2 V @* G6 M) e1 n
- socket_getpeername ($newClient, $ip);
) m" W1 s8 W9 D4 ~* @9 w) i6 Y% P - $clients[$ip] = $newClient;
( x9 W$ u2 K' [) }- A- ]5 D, ` - echo "Client ip:{$ip} \n";
2 B9 ?9 w+ m" E: I3 ^( y4 r - echo "Client msg:{$line} \n";$ u& ~+ G$ M6 u0 r0 M8 M1 r- \
- } else {5 x9 @) e) I: q2 l, D3 a
- socket_recv($_sock, $buffer, 2048, 0);
! D# E, ?' f7 B7 |/ M( J+ E- R" U - $msg = $this->message($buffer);
9 \2 L: ~1 f+ ~2 y S2 e( e - //在这里业务代码6 Q4 ~; ~& Z& J% K1 f
- echo "{$key} clinet msg:",$msg,"\n";, U) `: b3 A2 @) I6 i
- fwrite(STDOUT, 'Please input a argument:');
9 M$ p! s7 p# C/ J6 R - $response = trim(fgets(STDIN));: q8 w0 T% q. T& A* d f& V0 X+ }
- $this->send($_sock, $response);- i9 n* j: W" M( p
- echo "{$key} response to Client:".$response,"\n";# ~6 h8 j: B, Y1 A% R8 J
- }
1 ?* T8 }( q6 x U- _ - }
! a" T, D/ u8 f0 F - }
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-
$ I8 K$ P; [" S' A Y9 { - /*** G$ I' l C: v. h, A
- * 握手处理
8 m% f$ o" f' q7 o# s' W - * @param $newClient socket
, J$ n% D; R5 e: {6 C5 g; S; X* A - * @return int 接收到的信息' e* ], _8 V% ]
- */+ i5 n U2 k( t0 Q. U4 w
- public function handshaking($newClient, $line){
) n, U9 \* h3 N: C -
+ I$ H# k1 `( ~! Z/ R3 d3 C/ Y - $headers = array();0 E& Q& n7 l: _" |7 f
- $lines = preg_split("/\r\n/", $line);
8 n9 C$ k' A/ N3 ^6 I! [% u: K9 \/ o - foreach($lines as $line)# E& J2 J: w b: p
- {# c) u5 y# P! W8 F
- $line = chop($line);
- P; }0 a7 D! A% n5 \$ k - if(preg_match('/\A(\S+): (.*)\z/', $line, $matches))
. z8 [8 v1 n0 g, P0 k4 M% @) n - {
! T+ n$ h6 W9 S - $headers[$matches[1]] = $matches[2];3 k' b2 ^5 J% N1 ~
- }
1 R1 d9 h6 \6 P1 Y0 i7 y; R - }9 s' J+ ^( x, Y ^/ C
- $secKey = $headers['Sec-WebSocket-Key'];% ]% f* y" s! t7 x
- $secAccept = base64_encode(pack('H*', sha1($secKey . '258EAFA5-E914-47DA-95CA-C5AB0DC85B11')));
z" _( V2 ~8 p9 A - $upgrade = "HTTP/1.1 101 Web Socket Protocol Handshake\r\n" .6 q7 A' o3 `3 n/ m4 M/ d
- "Upgrade: websocket\r\n" .
, R; N4 n0 J. U7 j" I - "Connection: Upgrade\r\n" .
' ~% u$ I& |5 s6 M+ B$ u - "WebSocket-Origin: $this->address\r\n" .4 e7 E4 s/ m& Y. X. l2 G
- "WebSocket-Location: ws://$this->address:$this->port/websocket/websocket\r\n"./ Q' D2 i4 z" F) h: r8 _
- "Sec-WebSocket-Accept:$secAccept\r\n\r\n";, E6 x' N) \ ^, r& h: B
- return socket_write($newClient, $upgrade, strlen($upgrade));
4 W% w% T7 Y9 Y. O5 F - }7 ]8 x2 Y- y0 U+ y/ m4 ^
-
" v; e/ S/ k9 J - /*** b1 X7 r5 W/ E) W
- * 解析接收数据8 X7 C: i" X2 `6 @4 l/ N
- * @param $buffer
: p5 A* c- {7 F- d: D0 {- e - * @return null|string& w2 q6 e* G- O! x7 k1 T
- */
* u( B. i J0 z) v$ E8 T# d( q - public function message($buffer){
& }3 v7 G6 Z$ w% S# A2 L R - $len = $masks = $data = $decoded = null;
" Y4 p, _# p0 q - $len = ord($buffer[1]) & 127;
; q9 L; K: z' t- V" z. `7 k3 ^ - if ($len === 126) {
3 B, C7 h- a: d9 k* t, l2 r - $masks = substr($buffer, 4, 4);
! a! _5 G1 |, K, X9 J" C - $data = substr($buffer, 8);; x* Q% C: U; v( a! k
- } else if ($len === 127) {
* n) L) X; C8 h% K( f' T1 l8 P' f - $masks = substr($buffer, 10, 4);
2 {% l. x7 B( c* y$ L - $data = substr($buffer, 14);/ K/ N" l1 o+ ~& Y4 O4 T# M! Y( v
- } else {% F' \* [+ `' V; ^, m" P0 r+ Q2 k
- $masks = substr($buffer, 2, 4);' T2 u! |/ P% o+ h5 M$ N* i7 O
- $data = substr($buffer, 6);
7 e. o1 {5 i U0 H* j( F - }
( v5 b/ ]1 A7 K/ ^5 c' G - for ($index = 0; $index < strlen($data); $index++) {' I+ @8 D8 c: c
- $decoded .= $data[$index] ^ $masks[$index % 4];' R9 y# W: e- B% }& @
- }
( q5 m% I, q* z0 g. e - return $decoded;
: C2 [5 C: d/ e( e9 ]$ G8 R" C - }. n) H6 E5 I/ ~ F! ^+ @
-
% w7 s7 N. L. p) ]2 T) E - /**% E. J$ U! r* c& X: C+ b1 m4 {
- * 发送数据- e- K8 w3 n! o8 {- q
- * @param $newClinet 新接入的socket
% _" P6 U1 q. W - * @param $msg 要发送的数据4 d- G8 |; i* o% T, p ~7 x) f
- * @return int|string
8 M8 @: N! L! X/ P' b+ `" @0 S - */: l \7 e9 x. K1 V4 G s* P& m
- public function send($newClinet, $msg){
, h* V$ K, G4 F2 X - $msg = $this->frame($msg);# B5 @" e) y y. J6 I0 t: o
- socket_write($newClinet, $msg, strlen($msg));9 U' y7 J; V5 ^1 A8 L* o2 A2 g
- }
' U! w9 d6 D8 H) r5 Z- k0 i3 B& o - 9 B, H* t+ w; n& }9 _, I2 K
- public function frame($s) {
. P d; ^; G K/ j7 e/ K; D - $a = str_split($s, 125);3 B# \1 v; W l6 k9 P: I
- if (count($a) == 1) {
9 x' w# N0 p9 h! p2 `! t+ B - return "\x81" . chr(strlen($a[0])) . $a[0];
4 V# }; g& p( h4 N: P2 Y$ l - }
* m, o5 r% S5 M) S1 g: o% | - $ns = "";8 e# \; M7 u/ y& ]
- foreach ($a as $o) {) R2 o, r; v) [
- $ns .= "\x81" . chr(strlen($o)) . $o;; P# O. O y r8 r" K; e
- }, L" Y! D! k2 ^$ Q" r4 g
- return $ns;* C) m) F, Q! z6 w
- }! S: u, l& q! _( _/ W
-
8 q' ~( b8 \# ?# U/ t" ?7 B s - /**
9 J$ [$ V" x" n - * 关闭socket' a/ k' ~/ e- h# u* u1 v( H
- */: `# Z0 o X4 g+ s. m
- public function close(){
7 q" ]) k \: R1 O - return socket_close($this->_sockets);
+ w' ?/ v2 d3 {5 ]6 d+ q - }, u0 L4 o6 g: v* V" j3 v
- }
0 U2 j; L+ C* e7 j' c$ i: U -
! i+ K9 Z3 _7 B1 n n" j - $sock = new SocketService();2 o9 r' i) `1 ]$ Y% S; R# r2 ^
- $sock->run();
4 H2 U+ c1 E7 X7 u% }0 u - ) R2 g" b# I, e5 H
复制代码 web.html
, K, L" p8 g; A* O' v- <!doctype html>
+ D. k$ S" V0 T' s0 C7 @0 y. u& q - <html lang="en">
5 x8 j$ A- D3 q% T$ W4 f - <head>- d* [! p( q' Z$ g& R4 ~* Z
- <meta charset="UTF-8">
: H! d, X5 e3 r) u! r! a - <meta name="viewport" content="width=device-width,initial-scale=1, maximum-scale=1, user-scalable=no">/ X d$ M0 n6 q8 K1 z8 c: `
- <title>websocket</title>
1 J5 f* k1 r7 W' i1 S - </head>$ @. Q- V& P& ` j- s6 r5 a
- <body>
) \5 t! @" Y: `$ M7 U - <input id="text" value="">" j! `& q8 ^8 K+ K3 Y4 E
- <input type="submit" value="send" onclick="start()">9 _+ L; I- g$ j0 G) ?
- <input type="submit" value="close" onclick="close()">
, z% f' C* \/ L; ` - <div id="msg"></div>( T. E: a( a; {, w( K
- <script>
2 [; e; p" r" r- C- @9 h - /**
U, A5 l/ {& V! q Q$ g5 W2 X - 0:未连接
, o! V- k# v* G2 o0 `! \+ k - 1:连接成功,可通讯, }9 k3 _ q, ?* A6 _* }/ v/ Q/ f G) |
- 2:正在关闭3 a5 m2 K* p0 @$ y/ V2 r5 t
- 3:连接已关闭或无法打开0 D7 O+ a; O9 Z& r
- */
1 Q2 L* F9 ^- n -
# x7 N) A: Q$ }& d# s - //创建一个webSocket 实例
; p K4 T5 }% R) w8 W - var webSocket = new WebSocket("ws://192.168.31.152:8083");- z! s2 @6 z) _, O9 y* I/ U2 p
-
; U% B3 d4 A3 e -
& P4 E+ x X$ T$ Y" o/ Y& z - webSocket.onerror = function (event){
4 {3 l$ v9 c7 `1 @+ F# P3 X: ^ - onError(event);
Z6 D# H5 S& x: n' U; [6 P - };6 ~% X/ L' t3 H
-
% R' [% e8 Q) ^# i0 J: e8 F/ q+ } - // 打开websocket ^+ G- B+ T$ V
- webSocket.onopen = function (event){3 J' S( i" d" w) L0 J) m5 P' B7 g; L
- onOpen(event);& K$ }, f9 B# u3 Z) r! ^
- };6 U" N: e* g9 {- J
- 4 P; q$ W6 K8 G# b3 J( P
- //监听消息
# C5 V$ @. x G l - webSocket.onmessage = function (event){+ I8 \3 Y ?$ j
- onMessage(event);
C+ T# J6 G" u+ K# W - };
7 c$ E x" x& p4 j$ i( I2 d - ) x! h/ l9 o4 R, G: ]4 w
-
' L- V4 B5 ?- G5 b: m0 N - webSocket.onclose = function (event){8 T2 Z1 r& y: U! L8 ~+ i4 m; Y
- onClose(event);
7 {0 G; L7 P( _% T4 h - }
/ V: g9 Y) |5 ~" C -
, x9 L) w4 ]% |5 | - //关闭监听websocket
2 P& V' f* v7 H - function onError(event){2 y t9 t+ j+ Z, ]# z& t
- document.getElementById("msg").innerHTML = "<p>close</p>";
# e' F$ u5 C- X' [5 [; }, b - console.log("error"+event.data);: q- i0 E# \2 h' f7 O
- };
( u8 |; B! G$ E1 J' ^ T' i* Z% \ -
+ z. D1 j; S0 S! X# \% J - function onOpen(event){
+ b4 J$ X' b* v& H - console.log("open:"+sockState());
e: p2 ?$ [2 C, V2 a - document.getElementById("msg").innerHTML = "<p>Connect to Service</p>";7 N: @- r7 P' `2 u" z
- };
; z3 {. t6 f3 H' q R- l - function onMessage(event){, m! ^) B0 z/ F4 n
- console.log("onMessage");* x" v* j% V3 {. ^7 R% `! p2 J
- document.getElementById("msg").innerHTML += "<p>response:"+event.data+"</p>"4 C: x& r' u, g* d9 Q" T
- };
* z7 b- w. T+ K% r1 Y - # e% O" V H0 t( D
- function onClose(event){
6 t u: s5 g* w# @. Z - document.getElementById("msg").innerHTML = "<p>close</p>";
5 \& x, U% e( Y) N1 H: S - console.log("close:"+sockState()); A5 N% U# w0 L) m& G
- webSocket.close();* E2 c. m6 W P& W) Z- p# i% j
- }. p6 D& p D& F
- - A& V1 _! ]) j% I6 Y ?
- function sockState(){
. p" U" o) B a! [ - 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'];) b; V2 u/ A! m4 [% t/ C
- return status[webSocket.readyState];
! g+ P! E: N V9 G8 S4 Z# h7 l2 w - }
0 ^# l2 i0 r0 Y* I -
% g/ R+ p; N' [5 _( y) K; t0 E* Z" G -
" Q; \* p) `8 J - 9 _ b( {% U1 Q! H; p
- function start(event){
3 B# D8 ~- E. T7 K2 s6 ?3 ?, A" S - console.log(webSocket);
! h9 v6 d$ ?: i1 }) F% L$ { - var msg = document.getElementById('text').value;8 K$ |" T! r7 [4 O. Y1 s- [
- document.getElementById('text').value = '';( O( Y) i; O/ Z! r2 r# k* ?
- console.log("send:"+sockState());$ H) t7 }% P' ~) b! Q! h& E0 g
- console.log("msg="+msg);; _, Y' m: [- Q' D( v1 u; N( S
- webSocket.send("msg="+msg);
. n2 i& X0 m/ z* x - document.getElementById("msg").innerHTML += "<p>request"+msg+"</p>" ?* k2 K/ U( c8 \4 ~
- };8 B% Q4 B( S2 p6 h% q$ t. n
- % k" I; N" x' V) R- I
- function close(event){
! N( S l' M# z+ @$ P! q - webSocket.close();
! e3 x. R7 n7 g1 x: A - }0 A' |1 c O p: A
- </script>3 c: d' c% ^+ r) Z, ]
- </body>2 i3 ~$ F! @; a; n. w2 a# r6 ^
- </html>
复制代码
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