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php实现websocket实时消息推送
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: _8 B1 ]6 y/ [" S8 g8 P; `SocketService.php( A7 Z9 k0 c% F* d; ?
- <?php
: @3 O6 S( R2 i& |8 T - /**$ H' n+ c0 T& \, l- X7 \
- * Created by xwx* L) ~. S) o8 e/ u1 ]: a
- * Date: 2017/10/18# n C {7 @8 `' p# b8 F
- * Time: 14:33$ s* U% g9 G" ^* C" z! E& y
- */
* x9 r7 d* v/ N& N$ i -
% Q' Q, T) u C. _8 D3 Z8 m, f1 V - class SocketService& k1 K3 q( Q* p% p
- {$ x* ^5 E3 P( Y. h/ g) e
- private $address = '0.0.0.0';
+ P, i# K. q1 G/ B! p - private $port = 8083;% O( B' L' x. D
- private $_sockets;; M7 ]2 p8 K" s# D) R
- public function __construct($address = '', $port='')7 ], e" B/ `! g8 u& h4 s9 C
- {6 M$ m \& h$ Q* P8 L# t
- if(!empty($address)){+ v9 B! S9 S; C* q
- $this->address = $address;, U% l$ a1 S6 t$ }2 N
- }
& c+ c5 {+ J) _4 @/ C* n - if(!empty($port)) {( {& ^+ l4 Q. @6 \1 N
- $this->port = $port;: U6 ^% [' H3 t8 {' P. S
- }1 m, V$ d A4 {2 f/ C
- }
0 X4 X& o- g* ? -
% q! {" \6 O! [ - public function service(){% n* ]% e3 `; d1 I+ M; ~ }
- //获取tcp协议号码。
@8 L# @& r( N; U - $tcp = getprotobyname("tcp");' _$ A! W8 H7 H( Z+ C
- $sock = socket_create(AF_INET, SOCK_STREAM, $tcp);- y3 C% b% E) e
- socket_set_option($sock, SOL_SOCKET, SO_REUSEADDR, 1);
0 x9 [( z& b% J - if($sock < 0)- s& ?+ u/ ?1 h
- {1 L" b$ [% U- P& h" g
- throw new Exception("failed to create socket: ".socket_strerror($sock)."\n");/ ~, m& G7 Q" L! V/ }2 h& l
- }
/ a, R7 u0 o+ s2 q; @ - socket_bind($sock, $this->address, $this->port);' M r" C {( e' E$ [- p2 _
- socket_listen($sock, $this->port);
- A* Q) Y5 c( _% B - echo "listen on $this->address $this->port ... \n";
_0 {( ~7 K# q! B& r! X) S - $this->_sockets = $sock;; N: q9 N+ N$ u! g) x
- }
) x$ H0 k& B; S8 m; A( R+ I - * k8 L/ g$ Y+ J
- public function run(){- z) D" e9 r6 ~1 X8 M8 ]; Y& ?$ V5 a
- $this->service();9 ^. S0 T. }, ?. h5 A" H8 j
- $clients[] = $this->_sockets;
8 Q: b" x% d: o9 B9 E$ v/ y" g& n - while (true){
# y- E* N' h- K& k& A2 X3 v$ Q% p - $changes = $clients; G( v9 R+ C$ p
- $write = NULL;* Z+ b h s# P
- $except = NULL;
6 i4 V- q( D2 I% d - socket_select($changes, $write, $except, NULL);8 }9 k5 v3 t: e9 }+ Z& ~
- foreach ($changes as $key => $_sock){
- k. N( I% L+ e$ I* E/ u6 X - if($this->_sockets == $_sock){ //判断是不是新接入的socket
5 Q% l3 i& W. m9 t( [ - if(($newClient = socket_accept($_sock)) === false){
4 {) i! q: l5 |- Z# Z5 f. s - die('failed to accept socket: '.socket_strerror($_sock)."\n");0 u: C+ f3 b0 W5 B0 s
- }+ ^* D! p; [5 D0 l6 |
- $line = trim(socket_read($newClient, 1024));
7 D; a% K4 ?* y( a7 i - $this->handshaking($newClient, $line);
. F0 T, Q$ x s - //获取client ip
) b& N1 l" U9 i/ k$ N$ [5 B2 ] - socket_getpeername ($newClient, $ip);7 P% U6 M Y; g$ _* f% D
- $clients[$ip] = $newClient;! I# c" S) t% p6 V, ]7 `( E1 V4 x. D5 H- ]
- echo "Client ip:{$ip} \n";
# I, B( S# i. C3 e! F - echo "Client msg:{$line} \n"; j- e+ K" q; O1 `7 s) C
- } else {
5 L9 O( q: B7 r- F4 {; d - socket_recv($_sock, $buffer, 2048, 0);
6 R- l0 X8 X- j5 a8 q - $msg = $this->message($buffer);4 F! ?( e- F0 q" j: O/ ]
- //在这里业务代码* {2 i+ T0 z, d3 x$ ?" D: [
- echo "{$key} clinet msg:",$msg,"\n";, Q$ A& e* j. h! m- \
- fwrite(STDOUT, 'Please input a argument:');
; t9 j9 y$ O7 }8 d4 s" G - $response = trim(fgets(STDIN));3 O; b' l* i4 D% {4 N% c; D9 ?
- $this->send($_sock, $response);8 }6 x( T" g# S- r: G& V& c! Z
- echo "{$key} response to Client:".$response,"\n";3 _6 r) _( j5 n% N8 H. _2 D
- }
6 k0 _5 j! F1 d9 Y( O i9 H' M8 U# u! J - }
! `' n0 t( h$ \ - }) B1 A% K& g( I& j5 U: P
- }
2 a2 v# \# ]' S. X1 g3 g -
5 r( x' o1 A v" H6 i/ a - /**/ L7 F' F) _2 P7 w0 ?0 `: c9 {
- * 握手处理
4 I3 {) f" r& [9 e/ _2 |* f; l - * @param $newClient socket/ q8 O; W5 ]1 D
- * @return int 接收到的信息
- A2 }( D0 m$ |9 r7 O - */7 M9 c& P" W! U2 N, ?! P( ]6 }
- public function handshaking($newClient, $line){
% e3 L3 n& `& O% ^/ r) u" {+ t - 5 {0 z# ^* n, ?& B' J4 L9 l5 e' B5 j
- $headers = array();
1 K' W/ Y+ {+ }9 P" Y - $lines = preg_split("/\r\n/", $line);
3 O+ l9 [6 |7 t - foreach($lines as $line); o. ]! b9 s/ B. J1 W3 o
- { D% `8 `0 A) f
- $line = chop($line);
3 M1 @$ O7 t6 p- z - if(preg_match('/\A(\S+): (.*)\z/', $line, $matches))% |( [3 F8 ]. n" s( A4 H- I
- {
( U$ `) g; q i; e* A& P \ - $headers[$matches[1]] = $matches[2];, n& D! c9 c- w' n. i. C
- }
* d% V( U0 |* R3 q - }
e/ [+ _6 k" w' x+ i8 X9 x% r - $secKey = $headers['Sec-WebSocket-Key'];
6 @) N5 [" T! }" {2 V: F8 k - $secAccept = base64_encode(pack('H*', sha1($secKey . '258EAFA5-E914-47DA-95CA-C5AB0DC85B11')));
% M! L7 {7 K/ E# s4 M( D - $upgrade = "HTTP/1.1 101 Web Socket Protocol Handshake\r\n" .* z% z1 [7 j1 g. C% s
- "Upgrade: websocket\r\n" .. r# E9 q+ ]5 c6 J/ P& ^
- "Connection: Upgrade\r\n" .
9 a- i3 B g9 T/ T; `$ j/ J - "WebSocket-Origin: $this->address\r\n" .
) h5 b1 S2 l6 ~. U - "WebSocket-Location: ws://$this->address:$this->port/websocket/websocket\r\n".! d- V! L9 B4 q& H$ y7 \) K% X
- "Sec-WebSocket-Accept:$secAccept\r\n\r\n";
( R: `9 w- a; j5 k - return socket_write($newClient, $upgrade, strlen($upgrade));
' o; @) _1 {/ m9 g6 s8 \6 F - }
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- /**0 e: U8 s8 x! |6 {7 M2 M6 L5 s+ J
- * 解析接收数据
" Q8 c8 a$ S! B g6 j! M& j - * @param $buffer0 j% ^$ s/ r* @) n" H
- * @return null|string3 u! W6 M$ u. T
- */
# U+ e' i, X: r' t& A - public function message($buffer){0 m5 ]! d2 C' e
- $len = $masks = $data = $decoded = null;$ I5 M+ E5 v! _: r4 P
- $len = ord($buffer[1]) & 127;
" L% U$ U: b' F' |4 C' B* g - if ($len === 126) {
5 X0 U2 V0 P8 s5 \% m" G/ j - $masks = substr($buffer, 4, 4);
/ B5 S0 o' F6 [; Y - $data = substr($buffer, 8);8 U3 Y. W1 i$ u# n4 H* c
- } else if ($len === 127) {9 \+ b4 i- G8 W1 s/ e% ~
- $masks = substr($buffer, 10, 4);* x: v. Q) i* k6 N
- $data = substr($buffer, 14);
3 k9 Y2 t2 I( X. J; a W7 Q" N - } else {
u1 k7 Z4 s# B0 P, } - $masks = substr($buffer, 2, 4); L, K: _6 x% K
- $data = substr($buffer, 6);
& T- G# D2 ^! N) G - }
* O, s6 r$ a8 C/ r" i - for ($index = 0; $index < strlen($data); $index++) {
' X' j2 [2 o8 Q" w% A0 M - $decoded .= $data[$index] ^ $masks[$index % 4];" h+ ^, p% w" c3 d" j$ f
- }% K8 v1 w* o* B+ S5 ^0 [
- return $decoded;1 F }' p2 I7 |7 E6 U1 ]
- }
$ Y" N9 \) V) {4 L8 Q$ P - 9 \5 X# ?- o3 f& l9 T: H7 g. B
- /**
$ _7 r! _7 c* D4 u8 e0 ?! b$ F; \& m - * 发送数据" U$ j2 y- W; ^
- * @param $newClinet 新接入的socket
0 x7 u) a! h7 t8 w+ m6 i% O - * @param $msg 要发送的数据
* v$ g4 _7 ?: T- W: v - * @return int|string
5 ?- `6 m/ V) r; T* ? - */
( i) B( ?# X* M - public function send($newClinet, $msg){( v7 r" ]/ H! v# u$ k' w
- $msg = $this->frame($msg);, |' _, @8 j3 H% p" ?* x
- socket_write($newClinet, $msg, strlen($msg));& U' z9 a) g4 E) A5 c( m# I t
- }
6 N& `+ O& a( ?# Z -
0 g* I; z0 }% S - public function frame($s) {
* z: v6 l, H9 r, o- U" r: C; u - $a = str_split($s, 125);
9 M y( ]$ }9 S: |9 a8 M2 m+ F - if (count($a) == 1) {* \6 B( W% u( J6 [0 L9 b% s
- return "\x81" . chr(strlen($a[0])) . $a[0];
- q, z; o) p$ }; @ - }4 w, c* F& ~) [4 Y3 P5 b; w/ E
- $ns = "";
, f' y3 _, u* R% Z - foreach ($a as $o) {
! N7 @: p8 ~- r) W) r- ~ m - $ns .= "\x81" . chr(strlen($o)) . $o;
7 V8 x4 r) R0 U' E" w) o" _ - }7 R( d5 V3 j. y1 H0 T+ C
- return $ns;3 [6 K0 r! e# H; A' r0 \
- }
- b% _& p7 m/ r; D7 U - & C% K0 K8 H9 a% n$ _) v) L5 [
- /**
8 i+ l H) l. i, J3 c - * 关闭socket3 k% h' V3 ^/ \% V
- */; |: I7 }; R1 l5 a0 N+ k
- public function close(){: h, Z* y6 U% d
- return socket_close($this->_sockets);
T$ h% p" ` I/ u - }9 ]% y( _/ f5 O
- }
' [! m! ]2 b# V -
. M9 {: q/ ~% G k# i1 f7 O& E - $sock = new SocketService();
, j6 ~* n1 ?. p6 _0 Q - $sock->run();
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复制代码 web.html4 \6 L5 M* t' a1 `: x
- <!doctype html>
e% ?8 g8 m& n - <html lang="en">
; ]0 \: s4 O0 ~/ U, f$ e - <head>0 e5 [8 p: M& _5 Q8 D9 l
- <meta charset="UTF-8">/ H2 u5 N( C& q: x4 z3 h0 v/ A. h
- <meta name="viewport" content="width=device-width,initial-scale=1, maximum-scale=1, user-scalable=no">
% E7 ^! Y% x* H# K7 ~ - <title>websocket</title>$ z7 n. @* x9 J! Y& ` v) F4 r% A2 L6 J
- </head>" ]- D% S1 ^0 S: f& O
- <body>
! b* R* a- O: C2 Z- B* f+ f$ W! y - <input id="text" value="">
5 Y l- `. w+ M' P - <input type="submit" value="send" onclick="start()">
! }- O8 z) T0 N8 S1 G- q6 J$ R - <input type="submit" value="close" onclick="close()">( d, v) q0 |8 n) C
- <div id="msg"></div>
) D$ ?# ]. w0 \/ D( t - <script>9 n. d0 o+ v; Z3 A. |) ^! n
- /**
5 B4 \3 _& j- k, T: j - 0:未连接
. F' t$ [( M6 I* V! A - 1:连接成功,可通讯# a1 P! h1 ^* Q6 z
- 2:正在关闭
/ W, ^7 R( C+ P* [$ k6 T/ C9 J' I - 3:连接已关闭或无法打开
" O' @ ~1 z, b$ t - */
! S0 x" [8 O1 P - ! @ E3 R# i8 \/ o5 f
- //创建一个webSocket 实例" q0 P- Q3 p! X E+ `7 m
- var webSocket = new WebSocket("ws://192.168.31.152:8083");) ?' O/ o1 B! J5 K6 B& i. a: g
-
2 {/ @1 Y) Y; M5 _/ S% U- k0 ` -
. [5 l4 P7 e' S8 B - webSocket.onerror = function (event){( h; x( T, `9 e f% z3 D
- onError(event);' ~: w6 A, v+ E
- };
. x6 ]# ^: _) |. V% f& o -
, W6 N" J* b+ F/ U - // 打开websocket# E s2 i# e7 C
- webSocket.onopen = function (event){ _) p; ]$ Q. h' w
- onOpen(event);0 @" i* o8 p' ~" o
- };
* F3 L" C6 Y5 }: ^ -
: p0 {* g/ s' } - //监听消息 N& |6 r; V7 _
- webSocket.onmessage = function (event){7 d, l9 k3 z9 z# \) [: Y& W. U
- onMessage(event);
( `; ^2 e6 j1 T - };
8 o7 p2 f3 M7 T: z4 T( m' b - + G1 ~- ]: B( k- j
-
$ ^+ P5 [6 H6 z5 E( V - webSocket.onclose = function (event){
6 M, L. B; i. k) m8 c! K - onClose(event);
c. _, N& Z2 m7 h; X, } - }
2 h: i9 E. y" u& @2 N" N" [ - 1 h3 K+ f6 G; w& B1 P
- //关闭监听websocket- g. N3 Y: J- q, c/ Y) O* B, X1 [
- function onError(event){( q. [/ Q* }$ t4 `8 G: A. Y
- document.getElementById("msg").innerHTML = "<p>close</p>";8 ^7 A4 r- J5 p3 U
- console.log("error"+event.data);
2 R% ?9 M" G1 d- B7 s - };4 R; E* }+ H. G* b
- $ _* O9 e- j- J* t. w# r2 O% ~
- function onOpen(event){
$ H6 u3 R) g8 t# R" O0 Y8 j - console.log("open:"+sockState());& ^* F ?0 w7 |9 _& Y3 t4 c5 {9 @6 Q
- document.getElementById("msg").innerHTML = "<p>Connect to Service</p>";+ v4 k- K5 x/ t
- };
* A+ i9 }/ z- t }6 I. S - function onMessage(event){
: j$ V: J& T+ D; q! d+ _1 c - console.log("onMessage");( V% F/ [3 z, |& s C4 K o+ {
- document.getElementById("msg").innerHTML += "<p>response:"+event.data+"</p>"& c$ |2 F. O: L1 J+ A, N; O; n
- };. S9 {& k5 d! V3 p1 i9 z, Q) @
-
0 B6 a6 Z+ ~% h4 Y6 W - function onClose(event){
% G1 B2 M" ~; w, J- G1 _" X - document.getElementById("msg").innerHTML = "<p>close</p>";7 p, v2 g; K8 k! Y
- console.log("close:"+sockState());3 r' }$ @& [# Z! w# N4 s) R, J
- webSocket.close();7 }" f" y: A$ r* k! r; m; V, J. e+ w
- }7 D9 w- j0 g6 J* F$ I
- 9 e* J; X& j! ^7 c: ~* y6 i d3 V& a
- function sockState(){; [. N5 v8 t) c
- 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' F! Y8 p, }7 q1 b
- return status[webSocket.readyState];* M, ]* C: h3 J9 ^8 ~+ N! g t
- }4 C" }3 p" g; p0 T; Y
- / `* W& u# K1 Y, T
-
5 x G. K% C+ w1 r- ^+ T. S -
- \1 E( L+ l$ P9 ? - function start(event){
1 c+ p! A: F! A0 q - console.log(webSocket);
2 u! H8 d: A' R5 h - var msg = document.getElementById('text').value;
/ t$ N s. z* K - document.getElementById('text').value = '';6 X) X) f) H( A) ]
- console.log("send:"+sockState());5 w3 Y" w! g- V( p/ h7 _
- console.log("msg="+msg);6 L8 U; U% e7 s9 K7 X/ W
- webSocket.send("msg="+msg);
* T3 |4 M& m- }0 R - document.getElementById("msg").innerHTML += "<p>request"+msg+"</p>": r y* ]; g! r
- };3 S- S9 F- m5 x1 D% F/ U
-
; @: {1 ]# G- u/ N( G - function close(event){
1 B0 K6 w1 b3 w# U0 p+ B+ H D - webSocket.close();
" ~) ^4 L0 T' v9 D5 x - }4 Q1 \/ V' Q- `2 d" M
- </script>
. \* s' ?: U, {& e0 W0 d - </body>
! I% ?7 z# S4 V9 O# i2 R - </html>
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