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php实现websocket实时消息推送# b8 {3 L: [! h i9 J' ]
9 m& y0 \# Y- `% }
* M) D7 j+ q+ TSocketService.php% {& o% W& \/ _* I8 T* k
- <?php
# ^% G3 r/ k* d/ J - /**
% s& [0 m3 O+ I0 p/ q - * Created by xwx$ ?0 }- w: u2 K5 s, P
- * Date: 2017/10/18$ J' @: ]0 @& x1 z' F' E
- * Time: 14:33/ u. w, u$ u! b, p. o1 Y. E
- */
- o* a* O/ n5 [% l# W* @) j -
9 N7 [ A; |6 h) T5 m ^; T3 R - class SocketService2 V' \. b t# a) {- c
- {
- e' z+ H2 ^7 n3 l& G - private $address = '0.0.0.0';
. @4 v9 r6 Y L6 r8 y" ~7 N& a m - private $port = 8083;
1 ]( B) c: }4 ^. L6 t7 F - private $_sockets;
7 c. r* u8 X% ?' s s, e# J - public function __construct($address = '', $port=''): X7 r8 T, H% |1 s5 S" d. q) k
- {1 j! {: T; f7 _$ o0 Q; z3 J
- if(!empty($address)){
) n& Z) D5 y) w - $this->address = $address;
! p3 H$ |, U% N7 M" A - }& U o3 y4 A) |$ i/ p3 \6 L
- if(!empty($port)) {
5 @' V5 P* W; C - $this->port = $port;
1 I+ O; A2 p9 p4 ~5 V - }
! V% a3 _) n) g: q5 M6 r. l7 K' c - }
, x8 y6 d7 T. O0 x - ! \1 l, P N& Y( p/ ?9 c( o5 l
- public function service(){
" H% p+ S; X: F* p# U# Q - //获取tcp协议号码。. |4 P. C2 \0 u7 p
- $tcp = getprotobyname("tcp");
/ P) U, {0 W+ h4 | - $sock = socket_create(AF_INET, SOCK_STREAM, $tcp);' z9 c7 d4 x7 j4 v- C
- socket_set_option($sock, SOL_SOCKET, SO_REUSEADDR, 1);' i& G" h' L# c4 @
- if($sock < 0)5 J: z( H$ i4 ~9 r v& z
- {! f6 _6 T @( ~/ v- x H9 ]
- throw new Exception("failed to create socket: ".socket_strerror($sock)."\n");4 L4 G* x( _& ?! k; A. `
- }
) r% n: i& u, r% C% y - socket_bind($sock, $this->address, $this->port);! B9 c% N9 ]5 X% W1 t
- socket_listen($sock, $this->port);
# j$ R& z) z/ T8 A5 [ - echo "listen on $this->address $this->port ... \n";1 H! r0 B) q% U% O7 t: j* C
- $this->_sockets = $sock;/ Y2 b# Q, ]2 W- s& h0 O
- }# D0 Z& \2 J; z4 Q8 U
- ! ]; R& p) h2 Y4 E" U
- public function run(){. E) t+ f2 G$ m& B, D S: [
- $this->service();0 T: ]2 [' y; U1 ~+ @: n' P, k6 @
- $clients[] = $this->_sockets;
8 l3 `! S( o7 |3 Y) `" E5 A, F - while (true){. Z% Y6 {. Z& B, I4 {4 Y9 k' B
- $changes = $clients;
4 U& K& a8 w/ I0 y7 Q! V/ B - $write = NULL;
8 c8 R% F8 U7 N- N* b - $except = NULL;* R% V7 A, o' N4 ?0 {
- socket_select($changes, $write, $except, NULL);
! g8 C0 e f' t5 Z' R' b5 p - foreach ($changes as $key => $_sock){: O+ X! ~) k) x& R
- if($this->_sockets == $_sock){ //判断是不是新接入的socket
/ U1 U9 I/ [9 {- A' L e4 j4 k- a - if(($newClient = socket_accept($_sock)) === false){
" O) O) L* U0 t) m' K - die('failed to accept socket: '.socket_strerror($_sock)."\n");
9 G+ W: Z; a$ t# k - }9 q5 ^, J/ j: A/ P5 S
- $line = trim(socket_read($newClient, 1024));9 Q1 v! O0 [& k" B" p
- $this->handshaking($newClient, $line);) d; r) L/ L. U. @
- //获取client ip
8 f' i3 o" i# a& F - socket_getpeername ($newClient, $ip);
% ~+ z! y! g4 D" A J - $clients[$ip] = $newClient;6 n% k: w p$ ]) p
- echo "Client ip:{$ip} \n";0 S. x$ P$ [/ z9 ~$ c
- echo "Client msg:{$line} \n";3 k, w. A' _7 o! P% Q4 U% c* N
- } else {
7 H& K+ \' Z9 J5 s# S8 v - socket_recv($_sock, $buffer, 2048, 0);% [; A E! q5 I; P% r6 W
- $msg = $this->message($buffer);
( X& J, v* s2 M" f( R - //在这里业务代码" j) E# |& D$ n. X; _4 X7 i' l% @$ ?
- echo "{$key} clinet msg:",$msg,"\n";
3 Y2 k; a2 V* `5 h- B9 l - fwrite(STDOUT, 'Please input a argument:');
3 o5 Z5 h8 i! E/ L# X4 J - $response = trim(fgets(STDIN));! N5 V- _2 O8 D7 S
- $this->send($_sock, $response);+ W4 H1 \' R" y/ y+ X# L
- echo "{$key} response to Client:".$response,"\n";
8 H2 e0 i2 S0 p0 [& `# d7 b1 H7 ~ - }
* N$ S/ w9 o+ b( l - }% o8 j3 N* K8 T& x3 c6 P3 |; I" I; {
- }
( @8 T, w9 F' r s) [4 p - }% g$ s2 W. h# |' W: v1 _# E; h
- 3 b+ n3 D9 f% z' s
- /**$ s- C- u( J% }
- * 握手处理
4 g. M V0 p0 a K: y' D4 C - * @param $newClient socket
) r) \- X) }9 p8 k+ X3 a - * @return int 接收到的信息# r g4 q4 n5 i# E' `
- */% D+ @+ p u0 ?4 T4 `! W6 N
- public function handshaking($newClient, $line){
/ m: G( S6 _7 X! N+ O+ {+ g/ N -
; x5 F% u$ N6 z; B$ f - $headers = array();# z- C' s8 P# b0 @
- $lines = preg_split("/\r\n/", $line);" N/ C" J9 Q' r- r, F( m) j; d
- foreach($lines as $line)* [5 ?4 g9 ^, j( _( }9 H; j
- {
% p! e2 d0 ~$ S1 Z+ e6 Q - $line = chop($line);# x' u3 E2 w; V" i) \. l/ w
- if(preg_match('/\A(\S+): (.*)\z/', $line, $matches))
9 E# m4 R2 ?/ n: q2 o; o' y* H2 F( q - {+ `1 m) I) E* A/ Z$ J' [
- $headers[$matches[1]] = $matches[2];
: k* Z. W8 @4 D5 f - }
! n/ R {) v7 J0 y - }* K& \! E- j( W* _
- $secKey = $headers['Sec-WebSocket-Key'];
( C/ i# C5 D/ o8 K- j - $secAccept = base64_encode(pack('H*', sha1($secKey . '258EAFA5-E914-47DA-95CA-C5AB0DC85B11')));( D3 d5 p- ^" V% L- G" \& F# |
- $upgrade = "HTTP/1.1 101 Web Socket Protocol Handshake\r\n" .6 u& h8 W) t% u6 o! q
- "Upgrade: websocket\r\n" .
. ~, E, ^6 I- z( f+ p - "Connection: Upgrade\r\n" .
& E1 M4 R$ @4 Y% r. Y5 t - "WebSocket-Origin: $this->address\r\n" .) k& P+ |" ~* l/ S
- "WebSocket-Location: ws://$this->address:$this->port/websocket/websocket\r\n".
7 ]5 i& R8 W( h4 w! L) A* r1 @0 S - "Sec-WebSocket-Accept:$secAccept\r\n\r\n";
8 V4 _5 _5 ^7 Z$ U+ j- e, [ - return socket_write($newClient, $upgrade, strlen($upgrade));
$ D% y5 a7 M# _4 h- o/ V$ h - }
5 T- D( I5 s L' U8 t5 D -
" b9 R1 o8 J' o3 l1 L8 Y - /**$ b9 v) q' u+ Q( c
- * 解析接收数据
7 }# K% m& C6 d7 x9 ? - * @param $buffer: E8 L- b) }( J# A& k, g0 G
- * @return null|string
' A9 T3 i+ g- [1 e5 J8 W - */
$ {& _/ b2 C% u& T5 h - public function message($buffer){
! L- m! J" u- L) h9 T. s+ ~$ w - $len = $masks = $data = $decoded = null;
, T; S( h! o% r! j5 U - $len = ord($buffer[1]) & 127;" }, l( X; k( Y% T/ K% \$ d% a
- if ($len === 126) {! @! u5 N+ B* ^0 ^& ^% @! h
- $masks = substr($buffer, 4, 4);5 G, E2 f* k, @. g- k
- $data = substr($buffer, 8);
" b5 S1 S, Z% }) V' O - } else if ($len === 127) {! ?: Y' A+ |$ f& h) r! t
- $masks = substr($buffer, 10, 4);8 k2 Z8 B ]$ N
- $data = substr($buffer, 14);
T! r1 l) `2 \% i - } else {* O7 f5 r6 S/ H6 F8 ]6 ^
- $masks = substr($buffer, 2, 4);6 x; Y6 T a/ _$ f, Z5 o5 @3 K
- $data = substr($buffer, 6);
! h7 W. z: w1 w+ I8 U - }; t( W4 g2 K6 M* J, X" D
- for ($index = 0; $index < strlen($data); $index++) {
8 N! K) M6 `9 a; O: X$ t1 H6 [ - $decoded .= $data[$index] ^ $masks[$index % 4];3 |+ h: {2 I' L2 h$ r9 W; F6 l6 b
- }- Y+ H1 J; b# Q7 }2 I
- return $decoded;
3 M9 q" B( u; U5 r. t; u+ s - }% w$ v+ @3 U2 {4 m, K# _
- % h; ^, _/ `' y
- /**
4 _- Z$ M6 @( w4 S: K - * 发送数据
9 [* V2 Y! t( M, f! T9 B. O - * @param $newClinet 新接入的socket! U% i/ i/ y7 O* O
- * @param $msg 要发送的数据
. U2 @1 l" s, F% ]8 L - * @return int|string
: p& \! J! M, C- {" S2 e! b - */$ v, s, v' [7 p' d* n
- public function send($newClinet, $msg){
+ N6 }' k& W8 v* } b1 F - $msg = $this->frame($msg);
' f& x; ]: v" z5 o' y - socket_write($newClinet, $msg, strlen($msg));9 S8 o y$ G0 P3 ?( P
- }' `3 [ w7 D3 f9 r$ m2 V
- * C2 j1 y; `7 ]7 {% @
- public function frame($s) {
1 h- c6 { i8 K u9 E - $a = str_split($s, 125);
% R8 f0 G' [$ b& T9 `4 D* `9 |' p4 d - if (count($a) == 1) {
l, @ X+ ^/ A# I - return "\x81" . chr(strlen($a[0])) . $a[0];
+ ]* o; n& t! E: J p9 |& g4 A - }3 H: n, F% }! m, h ]
- $ns = "";
+ t: E3 P7 _% d/ S, ^+ f% j0 I - foreach ($a as $o) { |4 }4 k' }, @$ N: p
- $ns .= "\x81" . chr(strlen($o)) . $o;! \+ V' \8 b$ x, E. ` i f. G
- }
! t1 @' ]# N' R6 O7 V3 i2 y - return $ns;
. @7 B4 n# {3 Z; W3 V - }, [" e2 T' R- m( _
- + A% m7 _8 ]% O) H. |3 P
- /**
0 R7 d2 Y( [2 b" u4 [( ~7 g, I - * 关闭socket3 x+ @2 Q$ F6 o7 k7 O
- */, T* f7 g1 l. C2 X
- public function close(){! d+ \, Q* C# V# g8 d
- return socket_close($this->_sockets);
+ D, m" n, n' h0 L Z - }
/ N' ^5 k3 U8 w+ M - }
$ B* | f$ F4 N E( y -
6 Z: K, c0 g2 W" | - $sock = new SocketService();/ }) S& x5 Q! e
- $sock->run();1 v9 z: v7 ]! H
- / Z4 ^3 O( p8 M3 X' x8 `3 E$ f: a. d/ H. P
复制代码 web.html
. {0 T- [1 _3 L8 e* c' g- i- <!doctype html>
( h3 e0 v8 i E3 `5 W# U& A - <html lang="en">
1 d( b. x) t2 j+ ^; u ~ - <head>
8 S* n; F/ p1 E, Y - <meta charset="UTF-8">5 i: @7 z0 y8 g& C
- <meta name="viewport" content="width=device-width,initial-scale=1, maximum-scale=1, user-scalable=no">
0 I" i- O: k: X, E: O; w: K - <title>websocket</title>
$ j/ S' C% |0 D) I1 p5 z - </head>
8 V. v, q! }; w4 B: e1 B3 | - <body>
3 u" O$ |# B' P4 A9 S# J" U - <input id="text" value=""># w) I1 [2 X1 N& v
- <input type="submit" value="send" onclick="start()">
* A( v& j. d L$ ]% h+ P( K - <input type="submit" value="close" onclick="close()">5 d& i4 h" l" F, ~5 N7 l+ w9 o
- <div id="msg"></div>2 X- C7 g: f9 p& G" n
- <script>
# E. X* o. ~) N L6 G' ^, ` - /**
' l5 q9 E( a; C4 ], D( t# U - 0:未连接/ B# _! L1 e% T
- 1:连接成功,可通讯
5 w7 O8 @* a0 [- ]( ]1 a) Q, C - 2:正在关闭$ y9 K5 v: K/ e
- 3:连接已关闭或无法打开
0 B% c4 I1 G6 N6 p, z5 c - */
/ d, G3 [' s3 m -
6 P( o% Y# z+ R8 \ - //创建一个webSocket 实例
/ Y- z$ f/ }+ W' o: o# W% S* h - var webSocket = new WebSocket("ws://192.168.31.152:8083");
3 ]# t c/ |) R+ z -
5 p% [2 c9 z* {/ w. W+ @$ V - ; n+ r/ t/ }; u% W( }2 C! h( n9 [
- webSocket.onerror = function (event){4 h2 V2 M; p r
- onError(event);
! H+ ^: b( g( X8 F E - };
* A3 E( h: B' d8 O, Y$ D( b4 i* Z -
0 X2 O8 {( T& i' E* {, h - // 打开websocket/ K- H3 F6 ~3 U- a, ?% G
- webSocket.onopen = function (event){
1 w2 a3 h! u6 M1 t; T- }6 C7 k - onOpen(event);
8 m y) a9 x5 |7 U' s - };3 t* u% C% b: n
- : o" w+ A& b" H0 z, A d* `" M
- //监听消息5 W! u. @/ |! t! a
- webSocket.onmessage = function (event){
4 D r! X: j2 s - onMessage(event);2 g" B7 T! E! T$ _3 r
- };
`& u0 E. l9 T$ w. |. j0 W% m f: r - 3 X" I& W1 x/ l* o2 M2 ^+ g
-
6 w" r* ]7 t3 A' [1 e - webSocket.onclose = function (event){8 F2 I$ X* r1 \) \8 K3 n: L% j
- onClose(event);
0 n8 o+ @; M5 h- N! A4 \4 K - }4 Q5 F* D( z0 h1 {8 L
-
# J& s, L0 q) O% q5 E4 c$ T* @ s% ? - //关闭监听websocket- g! x3 c/ r9 D
- function onError(event){
& {( X4 ^; x" G( z; Z - document.getElementById("msg").innerHTML = "<p>close</p>";0 F0 u8 D6 l3 j/ c6 G
- console.log("error"+event.data);" k3 [- J1 C+ B
- };
M3 [* O9 q) j2 [: O - 8 w1 w9 J7 v/ k0 I' h* ?
- function onOpen(event){
+ m/ G. Y$ o( W; P. N! y - console.log("open:"+sockState());' j8 i- E' a1 W) Y; q
- document.getElementById("msg").innerHTML = "<p>Connect to Service</p>";$ S- e. T9 W. @# V7 t* `
- };
* d) r1 f- r3 ]; u B9 J9 U; ` - function onMessage(event){9 a/ [- Q: j$ B- d3 ?. |& m
- console.log("onMessage");# T# @2 i" f& O: w: c- i
- document.getElementById("msg").innerHTML += "<p>response:"+event.data+"</p>"& ^6 K( R% c8 O1 S
- };
" x: a0 X9 Y; R( f7 l$ W: j" c; I2 t -
, z1 m8 Q3 v _% N0 J/ G# p* b - function onClose(event){
; W7 p g$ t/ B! p& y7 f2 ?& n - document.getElementById("msg").innerHTML = "<p>close</p>";# Y7 s1 W( Q/ Q4 b
- console.log("close:"+sockState());- k8 y( G- b/ S' i" A
- webSocket.close();
+ J0 A6 i% {$ ^; y( E$ @# Q2 U - }, o: h) z, r8 _
-
) U. H" B& V2 s8 C F7 N' } - function sockState(){! v( v1 k' O: @6 _8 s5 u
- 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'];( L$ B0 \. m, m( b p
- return status[webSocket.readyState];
1 {& E ~1 \ v3 N7 ] - }, i; D' ]# {: s& v; F9 p/ m/ i
-
2 y% X* \" v. q2 E( O1 S - : K# b/ v+ V7 c( ~0 L
-
% M, D- N/ B) R. U3 d - function start(event){- L! X+ Z v9 W4 E( V
- console.log(webSocket);2 F( @! e5 v6 D/ X
- var msg = document.getElementById('text').value;
- z7 Z% ?. V1 V5 u) Q0 M - document.getElementById('text').value = '';
$ a8 u$ s4 `6 S. ] - console.log("send:"+sockState());
' ?9 ]+ U8 _1 m1 d - console.log("msg="+msg);2 f0 T7 V" y" f4 d0 a0 |& V
- webSocket.send("msg="+msg);
4 J) |+ x5 O5 F; d; K. V& j - document.getElementById("msg").innerHTML += "<p>request"+msg+"</p>"
4 t; r, t1 |' b: [8 |. j( O: P# L - };/ A( k; w5 _& v, ?: H, X1 P
- & d. w* N; e8 Q$ b* @: Y# J
- function close(event){
0 }3 R n5 B* I: @5 P - webSocket.close();5 B# c/ O! h% Y4 o" X/ L
- }2 a1 v4 [- [3 p) P- m
- </script>
2 k& \9 [: B9 j9 E& c - </body># k8 ]: L$ s% r
- </html>
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