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php实现websocket实时消息推送* P* Q9 ^) O" b3 L0 N- h
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/ w; y) _2 B7 z+ G9 OSocketService.php! u$ l+ [* p4 ?. w) r: l
- <?php
+ k+ U( o0 `* B - /**
6 y. b$ b, g7 G) h4 t. K) P* U - * Created by xwx
8 R/ N5 J* a- d: r - * Date: 2017/10/18
$ Y: F, Q, T* v) g& |+ k - * Time: 14:33. E8 ], Q, p/ {! U& N
- */8 V: h& P; k3 X# l( W. O( r( g
-
) U# P& X4 V! I* R2 L - class SocketService
9 b3 f* F; ]' f! o - {
- l2 J: O/ v8 W7 _ - private $address = '0.0.0.0';2 {8 e0 m- h4 s, d
- private $port = 8083;
?# b4 Y! S+ J, P - private $_sockets;
5 j h' s Y- F - public function __construct($address = '', $port='')
0 ~* i& ?8 n$ A - {2 r8 ^0 L; x( L) b
- if(!empty($address)){
- O# ] ~( I3 o1 Y' U - $this->address = $address;
( o( n0 Q. k: p% @ - }: { W- ?2 p! ?% E/ G( P l2 y
- if(!empty($port)) {4 L' A# `: C. G
- $this->port = $port;8 u& y0 v4 Y* Z( B+ s- J* ^
- }5 r3 x6 x2 |1 J$ q( F& r7 Z4 _; W
- } L' ~4 } ^9 c9 g' t
-
3 U- K0 d/ D0 z% |! f - public function service(){
+ S3 J- i( q, ^: J- l$ t4 x/ `/ c: F - //获取tcp协议号码。
) j! U. h6 v, W {0 L( U/ } - $tcp = getprotobyname("tcp");
) G/ _0 @" s; [" _* b# U5 [ - $sock = socket_create(AF_INET, SOCK_STREAM, $tcp);
8 O# L+ f# M0 q6 L. D - socket_set_option($sock, SOL_SOCKET, SO_REUSEADDR, 1);
( i. O C* f1 A# T+ q# {, u7 v - if($sock < 0)
I# d1 c! J6 r( C& j7 V - {
* m5 w# K0 j0 K5 W - throw new Exception("failed to create socket: ".socket_strerror($sock)."\n"); |8 n3 g! E( M* p2 j2 l& @! p# B
- }8 r8 [6 I& b0 u2 i1 R' R
- socket_bind($sock, $this->address, $this->port);
7 g7 A3 L( n5 }1 S" B - socket_listen($sock, $this->port);
! [6 W1 e8 K; u3 f$ Z - echo "listen on $this->address $this->port ... \n";
2 ?1 m# P" ?' E: h$ G - $this->_sockets = $sock;
' M9 m& o0 S& @4 I+ ` - }
% V% t- [) j/ M3 y0 i; p+ F4 K1 w - 8 k0 M1 g, u/ S, L+ v+ g
- public function run(){
7 e- Y5 q% A2 R/ o( i; _* g8 @3 L - $this->service();; J( Q9 D5 A/ b+ Z8 X
- $clients[] = $this->_sockets;2 \' O. m8 A+ q5 a1 u8 Z
- while (true){
+ n" ~+ y8 K) ?# @ - $changes = $clients;3 f/ ?8 Z3 Q# h# K) G: ?* A
- $write = NULL;. z' X* N) w; l7 \
- $except = NULL;
" Z V. i! ~6 K# H/ D$ T% |/ n - socket_select($changes, $write, $except, NULL);5 J1 I. y% U% Y: X! l+ F2 o
- foreach ($changes as $key => $_sock){
0 e0 ?) c8 f+ `- Y - if($this->_sockets == $_sock){ //判断是不是新接入的socket
E; ~7 w) ~3 z8 b" O! G - if(($newClient = socket_accept($_sock)) === false){
. e' T% T1 s+ |. u9 N7 s - die('failed to accept socket: '.socket_strerror($_sock)."\n");) v. I% U) v- M2 S: ^' ?& k; z
- }
3 [, @1 ~2 k; O$ X7 R - $line = trim(socket_read($newClient, 1024));& |, c. h5 C" s9 E, Q" H
- $this->handshaking($newClient, $line);2 g, K: y& a8 W& M" B7 A' ]1 Y% T
- //获取client ip5 ~/ Z/ B5 j0 V- n1 X3 `0 q S b- V
- socket_getpeername ($newClient, $ip);- Y; Z& `$ V3 p3 d
- $clients[$ip] = $newClient;
5 v, s. F! ], n3 v - echo "Client ip:{$ip} \n";
0 o/ A- P+ w2 h4 a3 x - echo "Client msg:{$line} \n";' ^* D- k* u5 J/ }- q* }2 S
- } else {
# ^4 ?0 y2 ?( y- ?) g - socket_recv($_sock, $buffer, 2048, 0);3 k3 X9 x( a9 c4 j* k
- $msg = $this->message($buffer);# w2 n7 o" [ i7 X6 |/ K! f
- //在这里业务代码
+ U) _$ I! g4 r8 S1 B& l2 A - echo "{$key} clinet msg:",$msg,"\n";
; W0 P' Y) |4 T4 _7 W - fwrite(STDOUT, 'Please input a argument:');+ J; g' P1 t3 @) p( q; h+ o
- $response = trim(fgets(STDIN));( H9 K3 ^2 X- u/ M' g
- $this->send($_sock, $response);
! U) p4 X' \! c) \6 R& @ - echo "{$key} response to Client:".$response,"\n";
% W. w" H5 ~4 W$ ? \' }; e, n - }" h8 d- ?0 A7 h
- }8 \ ~5 Q. C0 E6 r# F2 V# n/ p# h
- }
: F& _9 T! m- M4 a Q* c0 r - }$ a! z, Z4 f% W# @, Y
-
* j% \5 Q" i+ ?# I* e2 Z5 ?1 H2 { - /**
( y: ]9 B2 e9 k9 d' J( p; d - * 握手处理( P8 t w6 H1 U5 R+ H8 Z
- * @param $newClient socket
# \* E) R+ f/ f G* w - * @return int 接收到的信息/ ?1 O1 G* A! \; s
- */; @% A4 T x j7 r
- public function handshaking($newClient, $line){2 T& B! {$ `0 D( u; a3 E
-
& U2 W; Z* y& M& U6 c - $headers = array();/ Q1 I9 G" L. d, {4 A) ?" g# l
- $lines = preg_split("/\r\n/", $line);
1 X, N; Y# ?% ~1 Y# ^/ f - foreach($lines as $line)* q e3 g7 P" ?: g6 @7 W
- {
3 J7 Q9 G8 d4 ? - $line = chop($line);8 S6 `% ?( [0 |; l& c
- if(preg_match('/\A(\S+): (.*)\z/', $line, $matches))
- O: ~" O5 H0 ~1 j4 Y- N: H- F - {
" B q: p1 W: u8 x: V3 _; t - $headers[$matches[1]] = $matches[2];4 |& F; y4 z' m, `
- }# @ D" ]/ p7 B$ x0 g9 O* H
- }# J* b7 A( Y4 ]% ^; L5 G7 o
- $secKey = $headers['Sec-WebSocket-Key'];
$ p R& W( L2 p# o. S( |4 y+ X - $secAccept = base64_encode(pack('H*', sha1($secKey . '258EAFA5-E914-47DA-95CA-C5AB0DC85B11')));
; E; M7 ^: S6 ?% ~) ^& f" Q1 ~$ K - $upgrade = "HTTP/1.1 101 Web Socket Protocol Handshake\r\n" .8 i, s. o6 r# \8 }3 A
- "Upgrade: websocket\r\n" .
, K- t: s# z2 D4 ~5 C1 S% x9 { - "Connection: Upgrade\r\n" .; Y- z. L# a) a% {% o
- "WebSocket-Origin: $this->address\r\n" .
* ?) ]+ R. m" q+ ? - "WebSocket-Location: ws://$this->address:$this->port/websocket/websocket\r\n".& f) N: k, O ? x9 X
- "Sec-WebSocket-Accept:$secAccept\r\n\r\n";/ Q: U& ?: n5 K$ H- W2 `& M% R
- return socket_write($newClient, $upgrade, strlen($upgrade));
& N: I# N# q' A( k - }
8 q& Y" j2 r" h5 G5 ^0 W# @ - * T8 |3 W w/ |- F8 F% J" d
- /**( a' ?) O6 R2 n1 n1 X! P! `2 \9 F# r
- * 解析接收数据, L9 x1 k4 [4 ?5 [& \
- * @param $buffer2 ~) j8 v5 J* @7 j
- * @return null|string, d# N1 `* f% @* w3 |0 b* M; `
- */- f/ f' s/ n6 A: }( E
- public function message($buffer){1 I% T2 N+ {+ d7 m5 m" Z1 I H O, N
- $len = $masks = $data = $decoded = null;
' U+ N" y7 \ t7 M4 k( O/ m) S* H# ` - $len = ord($buffer[1]) & 127;* S, V2 r% x0 G1 d4 l
- if ($len === 126) {! W; s4 q. L% b2 J' b
- $masks = substr($buffer, 4, 4);
# t) i7 l3 |6 G* Y - $data = substr($buffer, 8);& h' s! ^: ]; O) a$ w
- } else if ($len === 127) {
6 x0 t( f# |5 ~+ h0 ~6 X( G: } - $masks = substr($buffer, 10, 4);
/ ? f3 u' W; E" ` - $data = substr($buffer, 14);2 R0 Q/ W$ ]: `8 i1 X' g. _
- } else {
: C; R7 v4 C6 Y( u; v - $masks = substr($buffer, 2, 4);
/ H( T0 m2 G' V6 O - $data = substr($buffer, 6);3 ^! v2 z6 k3 S5 o$ w
- }
9 b5 [/ }1 D+ N3 D" l. V, W - for ($index = 0; $index < strlen($data); $index++) {9 Q+ G8 c5 v- V3 t8 }
- $decoded .= $data[$index] ^ $masks[$index % 4];
' M' r/ x" k( q - }
" F+ v2 E# w4 G N% O: r" F4 | - return $decoded;
* h6 Y0 E( k2 v/ F+ i* {* z; C - }
, f: o6 q6 p H L f -
, [' b4 ]: u: z+ ^ - /**' I- S8 D/ O0 c& Y8 @
- * 发送数据
8 e# `6 c! b B# L - * @param $newClinet 新接入的socket7 c9 @" R+ _3 q/ C$ d, u( y
- * @param $msg 要发送的数据
M& |5 `& U' K$ I/ Q - * @return int|string/ i; z' d/ l% z/ G- F
- */
! u0 g- ^% z$ j3 i* W9 Z" l2 B - public function send($newClinet, $msg){
4 }3 m- P* b* B6 ], P! m. b - $msg = $this->frame($msg);
) v& _9 F1 ?$ |! L5 y. r' v - socket_write($newClinet, $msg, strlen($msg));
8 }" B! d: C: i" c3 i7 U0 A8 j - }
0 |% ]" L7 T# w2 |! M1 J% L - 0 E( e: X+ I5 c
- public function frame($s) {/ I7 @! k1 O. A
- $a = str_split($s, 125);) s$ |* n# L8 N, f+ _
- if (count($a) == 1) {
' R. A/ R# Q) m9 n - return "\x81" . chr(strlen($a[0])) . $a[0];% A9 N, u6 l+ u# D5 f( U9 b
- }
6 U! d$ s- W4 V6 N( C - $ns = "";, C' r5 Y9 T- {+ i' c. U
- foreach ($a as $o) {' p' L3 `0 [) {5 g/ F5 Z% f
- $ns .= "\x81" . chr(strlen($o)) . $o;1 [% _; W# ]/ S3 _1 w; @
- }) ~6 W' R% I5 t; C. }
- return $ns;" p. M! O9 ~. D- S2 t# t
- } K! M8 \3 O1 O3 H* T/ g n9 D" w
-
6 E5 h, k. E k: Y, o7 R - /**- c! d0 M8 H+ A! ~* Y
- * 关闭socket$ p! K/ K: V# p/ Y0 v
- */
0 G& h& |4 E& V! p - public function close(){
/ ?- Q3 g3 m i5 g; W2 q& V5 m - return socket_close($this->_sockets);
* w1 H- m- }% Q7 X* E2 z - }9 B7 Q) W( W" p! r/ ?9 x& H
- }. R- a/ V" q! }1 S7 {
- " Q6 \! Q b9 S2 ]+ ]8 Z4 o
- $sock = new SocketService();
+ f6 @% p4 j7 c' W7 x5 M - $sock->run();
; n6 }, i8 n- q# W - & b9 ~# Y# y7 @& [6 k* J7 ?& p
复制代码 web.html4 Z% Y) v4 N& F6 G5 w/ B. ?) I! k
- <!doctype html>
2 T. r1 B9 P# G# h% M- L - <html lang="en">- t$ Y" I) y# j0 U0 C& {5 h: H
- <head># [* _8 u" U) z+ m( ^
- <meta charset="UTF-8">
: Z4 N2 G( Y' N: l- E3 n - <meta name="viewport" content="width=device-width,initial-scale=1, maximum-scale=1, user-scalable=no">
+ _) C, t$ ~) {2 D1 u" l# h* L5 J" w8 N - <title>websocket</title>+ |) R- E) A1 s y, \! ^
- </head># W# x5 `7 p* d( S
- <body>
. j1 n% V4 g7 b1 N" m: c& k - <input id="text" value=""># r2 D1 f: p4 k3 c. P0 K* H0 L
- <input type="submit" value="send" onclick="start()">
! w, ?, x) J, f( }4 \: o - <input type="submit" value="close" onclick="close()">/ i% f8 a6 [1 |: _, @& c; C
- <div id="msg"></div>2 x6 s0 D7 z* I) z* p
- <script>
. Q5 e. v! f* r O% s. g - /**
4 q: V: a4 x' Q3 ~0 `9 u% O - 0:未连接
5 S0 V+ T+ l+ D* J - 1:连接成功,可通讯8 E; z' o$ j& k i/ o b0 y. W
- 2:正在关闭2 i5 v& @5 c% V/ n" A
- 3:连接已关闭或无法打开
6 v4 i. t1 u3 N. C3 K( L0 W - */8 X, A% {/ O: a4 \/ k
-
0 w. Z3 Y* O7 j ^ - //创建一个webSocket 实例3 q3 u% G: ~( t3 [9 z
- var webSocket = new WebSocket("ws://192.168.31.152:8083");
- ?$ o1 b* T" T W- J6 Z - " R+ o+ W6 o/ e [8 I
- ) ]4 V* T3 a, \; b0 S0 V
- webSocket.onerror = function (event){: I7 L3 w; }& g5 y8 j
- onError(event);
^0 K- |6 W# G2 X# y# z - };4 W! M2 |3 K7 p3 `/ J
-
7 ~: o: X. j" p. E - // 打开websocket
9 f' O2 @9 r# w% E& s - webSocket.onopen = function (event){
" w% a; e' n+ H! W* I2 l; r - onOpen(event);
( [9 T$ f& M" d& r - };, h; `$ M3 ]& P" D' i7 j
- ' p/ F8 E$ G H3 Q" ]2 A
- //监听消息
: X& N; C: d1 X, x4 [3 m2 R - webSocket.onmessage = function (event){$ Q0 s4 R% U3 H
- onMessage(event);" w/ @+ e" {6 ~
- };* l" b' Z2 r7 |8 d2 U. u
- 7 Z/ P' d6 W% r3 {3 `& i" Q/ p% D( n
- 8 F% C0 B& w: \/ ^9 k
- webSocket.onclose = function (event){( H) r; g/ p* l, l P2 ]
- onClose(event);
0 A/ |/ i1 R5 F; P4 s7 Q - }
' N) _4 M8 x' w! V -
& @9 s( M$ ]8 o! a - //关闭监听websocket
7 Q! |9 ~6 u( ?1 y% a - function onError(event){. h2 H6 S: S8 H$ ?$ g- T+ p/ m, G4 F" j3 z# I
- document.getElementById("msg").innerHTML = "<p>close</p>";) d+ e* y A, B2 S9 B$ j( Q
- console.log("error"+event.data);% n; c8 f. S' }# F v: R+ y' K8 j" |. u
- };1 I! C6 H/ _& g' ?) G
- ) S3 O: w+ @( ?" S2 @3 f
- function onOpen(event){
4 w C7 d! T, m1 p+ O - console.log("open:"+sockState());* h% c) O z ?8 M5 m
- document.getElementById("msg").innerHTML = "<p>Connect to Service</p>";
& G: o6 M/ _6 f - };
- U O8 A7 }/ U5 s9 Y: @) j; ^ - function onMessage(event){
* \# f: S# X' D1 n% p - console.log("onMessage");
$ f: \6 O F9 K% Q7 u( W* q - document.getElementById("msg").innerHTML += "<p>response:"+event.data+"</p>"
{& A0 a2 Y R3 u$ T1 [ - };" x1 ^& y& n0 i- w" O
- 5 V2 A3 ]% L6 [
- function onClose(event){
2 _0 ~( Z' N) L5 i - document.getElementById("msg").innerHTML = "<p>close</p>";
/ G `) Y6 f5 l1 X* j( K; t - console.log("close:"+sockState());
3 l) t4 n5 x' d' A+ |$ Z/ f+ p% e X - webSocket.close();5 m0 R$ o' A! K ?! n; r4 z
- }
3 W2 L( {! f9 H6 j -
2 S6 l6 q: g7 o5 H: u& |4 K - function sockState(){, c' i+ P4 a8 E% c# t
- 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'];
7 ~3 v: U9 s' ?+ I1 |# V - return status[webSocket.readyState];9 T9 V6 W0 l! g) j" R, y9 Y/ P( W
- } T% k2 C! b3 b+ F6 [8 M: a
- 2 Q, P. O3 j# }$ I
-
$ o1 p8 R" p2 g4 a - - d' a0 E7 n0 z% V7 `
- function start(event){$ b3 A" E* `- \. R- U- P2 ~: t$ B
- console.log(webSocket);
# _. B( G; w3 y4 F8 ? ^ - var msg = document.getElementById('text').value;
% s' G$ N2 `6 [* v/ ^ - document.getElementById('text').value = '';) a* c- O- S9 Q% _9 Q2 n
- console.log("send:"+sockState());
7 s0 y7 P# U' L/ Y9 B - console.log("msg="+msg);$ r1 F7 i& `, `; M
- webSocket.send("msg="+msg);
# d' B) o: {$ T- K - document.getElementById("msg").innerHTML += "<p>request"+msg+"</p>"
! F% Q' \8 s5 P - };9 }. Z5 O( W8 X$ _7 D3 J7 e8 s2 N
- % P* j; i# q4 G; Q$ h2 g
- function close(event){/ z) b, D0 q3 u: `$ e4 {1 l" ?) C- O9 ]
- webSocket.close();/ h+ r( {; g6 ?! q' `8 j9 ?
- }! ~* z& G5 ^) @, i" f- W* `
- </script>
. L H" \* D7 d8 J - </body># M& k4 }) S* u8 A5 a
- </html>
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