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php实现websocket实时消息推送1 `- e+ p1 @2 Z( F( ^, n4 g
% C) ?: |" |9 F1 p$ d
( _2 l6 \: W0 g1 u$ a' C& lSocketService.php6 N1 m$ ^/ W ~) }8 u
- <?php8 U/ j- f/ u/ @3 h! f
- /**2 S/ \' P' B1 I* E1 F+ I( g
- * Created by xwx
& y3 e0 f& ^5 u! I6 o; h+ Z: t* D7 L - * Date: 2017/10/18
. u7 ]2 V8 g: _, u - * Time: 14:33
" R3 M' n5 w' |, k7 \' j - */
# J$ w2 ?& f# ^- `. m: [+ Y - 1 X8 X5 T9 J1 j, k( G1 ]! I. ~% ~
- class SocketService! P- @7 Q. F; R
- {
" ]# |) q3 o9 M - private $address = '0.0.0.0';
6 t6 I8 P3 L4 m7 ]7 c3 } - private $port = 8083;9 y. B5 t+ }( z3 `# Y
- private $_sockets;
. T" C4 k: w- f. P" | - public function __construct($address = '', $port='')
0 Z- f) F+ P& k - {) S' a" U; _! s: S8 U; {
- if(!empty($address)){
K7 n. K0 E) O1 Z1 Y, e. e. ^- ~ - $this->address = $address;0 {$ w$ r0 N) R/ S& b2 h( O4 c- e
- }
: b# o5 b e8 j9 j9 Y - if(!empty($port)) {
3 Y: V# ]: C4 f( D1 i - $this->port = $port;
, b3 x9 h+ h. t" t# a - }
4 x) U; B3 |# \: K e) n e) M, X+ B - }
1 Z9 `% K1 D; T- C' [0 N -
7 Q6 s9 g. F- K* @: j - public function service(){
. M/ I* E/ a# U4 t3 y. z2 | - //获取tcp协议号码。
/ d' y4 k& O; M& \9 | - $tcp = getprotobyname("tcp");
( i& v. f; R# `1 [2 a* G - $sock = socket_create(AF_INET, SOCK_STREAM, $tcp);1 i1 w" m2 R% j- [; g0 k& H$ o
- socket_set_option($sock, SOL_SOCKET, SO_REUSEADDR, 1);# M; q- M) H4 t" G# \
- if($sock < 0)( [. ^$ `3 T( M X
- {9 ?+ O% G# E, v$ k" q s
- throw new Exception("failed to create socket: ".socket_strerror($sock)."\n");: n; K, G8 z' v* L: F
- }) U1 Z2 |8 M! d9 e9 D- l1 j
- socket_bind($sock, $this->address, $this->port);
& T8 v) i% h6 o- u* p - socket_listen($sock, $this->port);
% c! J8 H* A) ] - echo "listen on $this->address $this->port ... \n";3 Y3 H5 N* E- D. H' J5 b
- $this->_sockets = $sock;1 a% J: _: k- p3 E* g/ s
- }# v! J6 k2 V! e) p3 @
-
5 s/ q/ G2 T2 c# E( x' P u( ^ - public function run(){
7 \% ?' {; `, ~0 p8 \, p2 n - $this->service();
" i0 D; F: z: C0 F$ b3 S - $clients[] = $this->_sockets;
! i( C! Z$ E0 M: P. f" U9 a - while (true){
# y# ~$ k/ u4 P - $changes = $clients;$ V, u( d3 v% j8 ]# x
- $write = NULL;
, _ d6 Y9 f# `2 m* | - $except = NULL; M* J/ G, L9 y+ u- m) h
- socket_select($changes, $write, $except, NULL);
: T" z" s/ f2 ?4 ^) O u, f" F - foreach ($changes as $key => $_sock){
3 A5 B; A8 B' T& R) l - if($this->_sockets == $_sock){ //判断是不是新接入的socket3 }9 P ?: h5 z4 w! ~; z/ o' I
- if(($newClient = socket_accept($_sock)) === false){
( M2 X% @2 R: l* v( a* s - die('failed to accept socket: '.socket_strerror($_sock)."\n");
8 o5 r4 x+ k! h C - }
1 u7 |. A- p2 K6 M" K: J$ r( y - $line = trim(socket_read($newClient, 1024));! m3 z) _; D0 G/ t9 | h" c
- $this->handshaking($newClient, $line);1 e: k' S4 Q! y% |1 I( z4 _' e
- //获取client ip4 K @( J, q, b/ [4 l2 `
- socket_getpeername ($newClient, $ip);5 d4 w E) N, E+ B
- $clients[$ip] = $newClient;
+ M$ a, F. B% j/ X3 } - echo "Client ip:{$ip} \n";
+ [: h' u, }- N/ W. F5 l - echo "Client msg:{$line} \n";3 p" }% x: E: U+ m) }4 p: m6 n( ?
- } else {
% U9 m' e9 e. h% [; d - socket_recv($_sock, $buffer, 2048, 0);3 H( B V/ q) v. W
- $msg = $this->message($buffer);, e U, v! W+ e4 e
- //在这里业务代码
- m- }, T7 n1 r1 ^% F - echo "{$key} clinet msg:",$msg,"\n";
' g0 H. E( T4 x" M - fwrite(STDOUT, 'Please input a argument:');3 O1 g' R" C8 ] e
- $response = trim(fgets(STDIN));$ A' S0 }+ Z, S
- $this->send($_sock, $response);3 S/ D, w$ [( L3 j/ K1 {
- echo "{$key} response to Client:".$response,"\n";% u; C: W- P4 E7 Q9 z8 ^. W! o
- }
$ i" T* D% E1 R( a+ x - }
( _8 M; k) _1 u r. w0 m) E - }" d. p0 G( @" S0 y b+ W- e* z4 f
- }$ ?9 C4 Y+ \& b3 D; [+ ]7 I ~
-
% \$ B; v- [! D$ F# C - /**
7 E- B' W& _6 a9 S5 p - * 握手处理
" i3 E7 N5 c5 O/ p5 } - * @param $newClient socket
; c& r5 A+ L% R0 E- x+ o( z - * @return int 接收到的信息
7 J" q+ } n" P - */
+ j/ M4 b4 r6 O - public function handshaking($newClient, $line){$ k5 H# b+ U2 U
- 8 r: s) ]: ?5 V2 C: r* J1 w
- $headers = array();
) {6 ^" ]' s" U2 @+ D. U - $lines = preg_split("/\r\n/", $line);: F. o; L C$ J& f+ m% }/ Q
- foreach($lines as $line)3 E6 G: Z2 t8 a& q1 _
- {- j# s5 [6 S B w7 i
- $line = chop($line);
' T% n N# O* y- Y1 a - if(preg_match('/\A(\S+): (.*)\z/', $line, $matches)): Y2 T# V) `' q& R9 {4 g
- {
6 z. Y& q. ^9 C, L5 P1 Q$ A5 R+ @- c - $headers[$matches[1]] = $matches[2];! b/ n e9 U, b$ ]; C
- }; T" W+ Y" w$ _ `2 {
- }8 N d' m9 _4 e4 g$ o
- $secKey = $headers['Sec-WebSocket-Key'];
8 `; P2 e7 q$ X" w& G5 u7 u - $secAccept = base64_encode(pack('H*', sha1($secKey . '258EAFA5-E914-47DA-95CA-C5AB0DC85B11')));7 B! \* z' {7 x d
- $upgrade = "HTTP/1.1 101 Web Socket Protocol Handshake\r\n" .
- l: t5 Q" o. _, d - "Upgrade: websocket\r\n" .: k1 u9 y5 I [& y& ~
- "Connection: Upgrade\r\n" .
' E U% i9 z: ^9 v, J9 ^7 ^ - "WebSocket-Origin: $this->address\r\n" .
. U, S4 f' Z3 m# H: I; P4 \% v y - "WebSocket-Location: ws://$this->address:$this->port/websocket/websocket\r\n".( B7 v3 r7 [9 t) h/ y6 u
- "Sec-WebSocket-Accept:$secAccept\r\n\r\n";
8 A4 t5 v' D! m' n# g. R9 p, u - return socket_write($newClient, $upgrade, strlen($upgrade));
8 H( E) M& u/ _# T. C - }; D7 i- @* U; h
-
$ j6 N1 y1 p8 { - /**
- B$ J0 Q. }6 L; |+ T0 ] - * 解析接收数据
( }1 Q; m2 Y7 Q- `" c: P: v5 E - * @param $buffer u6 W! F, |% G+ U7 a& R
- * @return null|string( e" {) V6 q: L8 l
- */, f; Z3 w V) P9 e A9 M
- public function message($buffer){; v. o6 E9 {( b$ ^) }
- $len = $masks = $data = $decoded = null;& x- `- S0 w7 h5 A: m6 ^- `3 ^
- $len = ord($buffer[1]) & 127;
+ T/ R s$ j. r7 Q% q/ O& R3 P+ s - if ($len === 126) {
( d% O0 \0 G& k - $masks = substr($buffer, 4, 4);
9 { i, e% K# u; g+ h6 G( @$ @( y+ ` - $data = substr($buffer, 8);: m: d, j- |2 Q& P1 {
- } else if ($len === 127) {6 w) ]1 E; z! u1 }
- $masks = substr($buffer, 10, 4);1 b, F( a% n+ h( _5 y, [( u
- $data = substr($buffer, 14);
: V( y- {* U/ A3 K8 L7 b& @! J - } else {
3 e& G5 P6 _4 D) h4 N# { - $masks = substr($buffer, 2, 4);" g5 b+ |2 ?; @) s/ U; z
- $data = substr($buffer, 6);% x- D. ~* b. x. a7 t
- }4 l; ]* f: m; L+ f6 h# A: w9 b1 C
- for ($index = 0; $index < strlen($data); $index++) {4 `5 F2 A, S, P9 R! b$ ` D, t
- $decoded .= $data[$index] ^ $masks[$index % 4];
( W S# _& M# `- O* T0 S: ]: I - }
$ c& M' b8 a& I9 O3 |, K - return $decoded;! e$ M9 I5 P* J+ }" W* O" U
- }4 f0 |" i, u" R: V* D
-
' E5 ~9 f8 }& s- i1 T - /**" L! y z# x/ f
- * 发送数据
; e! W6 ^& t8 K - * @param $newClinet 新接入的socket
3 v) f6 k& f/ \) e - * @param $msg 要发送的数据: s3 O- B2 u& F; z! T
- * @return int|string
; S$ N" j( s+ G, I+ [ - */
5 f, J! b, U4 o) D1 }. u - public function send($newClinet, $msg){
0 ^4 U2 m; r; f H3 K! v - $msg = $this->frame($msg);0 ]/ Z2 v+ L! k+ @* A+ c
- socket_write($newClinet, $msg, strlen($msg));% T6 o& Q( Y" `, y- ]5 M6 }
- }
$ {4 y: V% s5 w- ~0 C8 p' }' e( B* q - ( t k- m* E* {- p" V5 h- _" ^3 b
- public function frame($s) {
9 V1 ?# r* G, f" g1 D/ q' w2 R) d% ` I - $a = str_split($s, 125);9 }& u3 ]- g4 \: w
- if (count($a) == 1) {- [& m+ w `# _8 p, s( k& q8 O
- return "\x81" . chr(strlen($a[0])) . $a[0];
( r1 U6 ?! D9 g- L - }4 H; I$ a! q3 g3 z6 R. p
- $ns = "";
" h1 c8 Z* C2 H q6 u5 Y - foreach ($a as $o) {3 Q7 F U1 l8 a# N" k/ e H
- $ns .= "\x81" . chr(strlen($o)) . $o;
w1 w0 m2 o- w" F( u# ~ - }
2 l9 k1 x7 ~" k6 c6 i+ L8 k# o3 f - return $ns;
4 x. p3 }: f7 b+ m7 u - }
8 V1 S2 A2 {" b* O -
6 L) d' M- n k8 ^" c2 ] - /**9 c4 g2 B7 j6 c3 ~$ E
- * 关闭socket0 B5 q. C! [, B
- */4 d" v. W+ r: y1 ]2 I0 G
- public function close(){' P N! W2 \- E6 X: \4 }
- return socket_close($this->_sockets);
# d- {, I8 }) Z& Q7 i. I( g) ?7 @2 t* z - }5 k( R; @) p9 c9 [: \* C
- }
0 n1 p9 t7 ~* Q+ M' M - D7 n- I0 y/ M3 y3 o# E0 J4 G
- $sock = new SocketService();9 ^- ?$ L1 K P( ?. G- a
- $sock->run();
& @7 l! V0 A% N1 i' P# ?, t8 f - * |8 J0 M: N% S) v$ L/ d
复制代码 web.html3 \5 w Y% e9 ?8 G$ r7 _1 _( ]. G
- <!doctype html>4 n3 C3 F# ^+ k1 [$ t
- <html lang="en">
?# u3 |: @9 E$ T5 l3 h5 s - <head>
* e% K( ]2 E& z C) p- k4 y" v( c - <meta charset="UTF-8">! [6 g( V; \7 J- {6 A- n" y1 E
- <meta name="viewport" content="width=device-width,initial-scale=1, maximum-scale=1, user-scalable=no">& L) `5 F4 l5 f& z
- <title>websocket</title>
& Y- P. y9 p1 [% L, x - </head>
* d$ m+ o/ v! H' d( H) ~4 q: [4 `; i - <body>
6 D, F5 `9 y- g' p( S - <input id="text" value="">) U: x/ n+ H) b+ Z E, M
- <input type="submit" value="send" onclick="start()">) G9 [8 v$ X6 d6 U2 S- E
- <input type="submit" value="close" onclick="close()">
! U8 b% b' e" T m0 e - <div id="msg"></div>
1 \! z% l6 }8 T - <script>$ M4 |+ W0 k4 i4 e4 C! a
- /**
6 Y }' e: R4 P4 L - 0:未连接- R9 F$ X% f2 \; y( Q# K
- 1:连接成功,可通讯
# m) r' a3 q3 s5 D9 D% e, u( L; F - 2:正在关闭
5 I0 H9 \/ a) m1 V) R! s; j) Q6 P - 3:连接已关闭或无法打开0 U: p; Y- F- U$ @0 R; r
- */
( Z) y2 j9 y5 l7 L- l4 a - . B6 Q3 s: L9 D9 e' K
- //创建一个webSocket 实例
# A, X+ D5 l; ~- H" X3 k9 l0 Q+ i - var webSocket = new WebSocket("ws://192.168.31.152:8083");
# G6 W$ {, ~% q6 |$ Y' ~ - % ]% m5 F' d/ v8 W7 c6 p9 p
- , i8 h& |. y8 m4 _) b3 C, Q& z
- webSocket.onerror = function (event){
9 G% S2 G" X6 N+ {% p; B5 h - onError(event);- e3 E5 H+ Q7 R" U, @$ `
- };0 M0 G+ X4 z' t' b* n: q; b) R
-
Q5 W2 e+ v8 x C/ O1 Z - // 打开websocket
( V' ~1 z8 \1 o6 }9 @" w/ Y z - webSocket.onopen = function (event){
3 M* {+ s: @; @" C K: ^5 ]0 x - onOpen(event);
+ a( L8 u ^! D9 k) C/ ~ - };$ @9 `& v5 ?: V/ j+ j1 g
- % p2 y# E' \# | }. G+ D2 S
- //监听消息
9 F8 p/ {1 i. g% I - webSocket.onmessage = function (event){
# x( D! t8 J2 r9 E- m - onMessage(event);3 `- L' a9 V; U0 J, \
- };7 |7 ~! S3 G A0 d- x4 N! S2 y3 \
-
" y0 @+ t1 k9 s3 B - : D2 S, V8 ~# ~8 l6 m \
- webSocket.onclose = function (event){3 Z, ~5 v$ w8 Y4 K T
- onClose(event);
8 i9 ^- K/ U) \% Q; M - }0 n7 E( h( a' s. t8 x. \
- ( C& i# u r- ?# [' \9 Z" V
- //关闭监听websocket
- y+ u6 F6 B! Z7 X - function onError(event){& }2 F& n2 j$ j6 C. n5 R" A
- document.getElementById("msg").innerHTML = "<p>close</p>";
" [" _3 o# e& b1 |! j - console.log("error"+event.data);
% E6 L/ }" M4 s! c - };
8 v2 w! @' W/ @- ^ }. s; i - ) M, P$ s1 T/ D
- function onOpen(event){( Q7 y! m4 |1 Y/ G$ a
- console.log("open:"+sockState());
# K B7 N" u& `, \4 o. P - document.getElementById("msg").innerHTML = "<p>Connect to Service</p>";
6 z6 K. o) u. @& k+ f - };
& k6 y8 Q8 f3 t/ E* L" f - function onMessage(event){
% q; q9 q. R5 @0 O; J - console.log("onMessage");
- j% i" p! b3 n Z' d - document.getElementById("msg").innerHTML += "<p>response:"+event.data+"</p>"
( g3 e( I# V- u/ q S - };
! j/ L7 ?; m5 L; N -
4 W! e. g! p) _8 t% |. P1 v8 ~) }/ ^ - function onClose(event){" h3 i/ B! d9 z6 f6 r
- document.getElementById("msg").innerHTML = "<p>close</p>";
. }0 l: x# U. V0 Y - console.log("close:"+sockState());
* k C/ A4 }5 S! K% e - webSocket.close();
! M5 P% \6 ?3 O* u4 ^ - }. O& S' b! m9 }2 |
-
6 @0 O# n' J* L9 _, X, p# z - function sockState(){
( F( K0 h6 }/ w3 N8 ? - 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'];
; u/ W3 S @# Q3 A - return status[webSocket.readyState];6 j( O$ [9 N: I- }7 Q/ O" R: ^
- }! e; r, m* y: A% g, I9 O
- 6 j3 Q' k7 q& f' I. |
-
; @( Z9 v. }9 G, }/ z -
# e K1 u' n# ?& d9 r/ ]9 N/ H - function start(event){' z0 j! P+ C9 f3 r. t
- console.log(webSocket);
0 w2 b1 c) n% M" _) | - var msg = document.getElementById('text').value;0 p# n' f* `! l! r1 R1 A
- document.getElementById('text').value = '';; W, e( a1 ~$ H0 ?. H* Z: H7 q
- console.log("send:"+sockState());
2 h! A. o u4 e: ?6 b8 k - console.log("msg="+msg);! ~0 C, }9 M& j, C- I h8 y
- webSocket.send("msg="+msg);
7 n: _4 f. C m# K$ Y" Q - document.getElementById("msg").innerHTML += "<p>request"+msg+"</p>"0 ?( W8 ^+ c! E1 o7 }/ J
- };
& Y; b0 t. h- i1 O T - 8 Y8 c9 `; H2 Z( f# m# T
- function close(event){5 ~2 l4 d) o7 L2 v) q0 t4 ^- U! }
- webSocket.close();
. m# C! _6 n4 {, X8 T - }
0 r3 O) M& u: s - </script>
% I! R$ v8 [) d - </body>
4 B# k+ d( m' P' y Z - </html>
复制代码 1 b% Q4 U7 i) ^% i. J+ z1 s
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