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php实现websocket实时消息推送/ C& z- Z+ z9 f. G
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SocketService.php% \9 J3 E, f+ E! x8 {5 T5 `; _6 ^
- <?php3 ^& Z, b8 @9 n* J. [4 `
- /**9 b7 Y4 }; {" d+ L9 U2 H+ S7 l
- * Created by xwx% U5 `. G! E' t- ^4 ?
- * Date: 2017/10/189 V0 \5 A3 i& R; ~/ E; t) L$ o: L0 o/ `
- * Time: 14:33
7 m! w9 A$ Q: @" u; y( i; w - */
* z( a4 ]8 E2 U. j, e1 x | - : z7 d6 V6 F" O0 Q. O1 L- _
- class SocketService
/ A8 |$ ]" `$ U0 g" }) U& M - {8 }7 w% ?2 T0 u. x* n
- private $address = '0.0.0.0';
0 f4 T& e- g0 J) t6 y - private $port = 8083;" g. `% L$ S2 p' _6 t
- private $_sockets;
4 k8 W! j3 d8 `( y# ` - public function __construct($address = '', $port='')& \" O4 a6 S6 x% h& X
- {5 y2 w+ k' v/ w- j# E
- if(!empty($address)){: D( n& o# Z6 x, _0 E" r8 m
- $this->address = $address;9 t: A7 {5 @* y& y0 H9 w* {$ c
- }
6 {' x1 x$ B) y1 `$ R h7 f9 v - if(!empty($port)) {
! w" i# p) M* D5 {% n - $this->port = $port;
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-
, w5 m0 v% B+ V+ c. S" g, S/ C - public function service(){! I# R; L1 b3 W% f
- //获取tcp协议号码。
4 t& V3 A; P L; a( h - $tcp = getprotobyname("tcp");5 o, |; z0 a: @
- $sock = socket_create(AF_INET, SOCK_STREAM, $tcp);* q( S% }2 a) \9 C+ G8 s9 n
- socket_set_option($sock, SOL_SOCKET, SO_REUSEADDR, 1);
/ G1 b" s: d. h3 P% O2 R - if($sock < 0); |/ T) R- X, h4 V1 G) y" d6 l! I
- { ~$ Y/ e' l6 `! @6 C- {
- throw new Exception("failed to create socket: ".socket_strerror($sock)."\n");
' e' e }% }8 ~2 a+ i - }2 y. t, T, ?) X7 w
- socket_bind($sock, $this->address, $this->port);
/ G1 b- M5 ^* m' m3 D - socket_listen($sock, $this->port);1 I9 r: v5 L& A1 N4 G
- echo "listen on $this->address $this->port ... \n";& l/ r+ i# T% }) _
- $this->_sockets = $sock;. ]7 @6 e( q" l, q' [# G
- }
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- public function run(){0 H/ b4 P U% m
- $this->service();% J. A1 ?) D7 M8 D% @) y: W+ }; V. w
- $clients[] = $this->_sockets;
$ |" Y4 r; h* D- _4 K+ ?, b4 b- u - while (true){; `6 D7 [1 p4 a4 A
- $changes = $clients;
9 j6 [9 M( L( K - $write = NULL;; j0 s9 L5 d3 l: I
- $except = NULL;
0 t6 B+ ]0 _( C' `3 n# r+ ?& O - socket_select($changes, $write, $except, NULL);
0 `. T" G* B. e5 W1 ^" t- N - foreach ($changes as $key => $_sock){+ \" m* w- d# f5 c. t9 S2 u
- if($this->_sockets == $_sock){ //判断是不是新接入的socket
% y, y D" j0 e. u4 g. c# S3 F - if(($newClient = socket_accept($_sock)) === false){
8 ?3 f3 l& ]: C1 G; P0 C C - die('failed to accept socket: '.socket_strerror($_sock)."\n");" G: r; W4 D8 x9 }0 r b
- }/ A5 @' G6 v- {" I& ~' a
- $line = trim(socket_read($newClient, 1024));
0 D4 ^( e4 C; v+ y - $this->handshaking($newClient, $line);
$ c8 m& I6 m' ^$ D - //获取client ip
2 b6 [: V4 S; P5 ~3 L- d - socket_getpeername ($newClient, $ip);4 J+ E4 j8 Z0 z# Y+ M% w2 j
- $clients[$ip] = $newClient;5 ]9 o3 \* t6 L4 T& L
- echo "Client ip:{$ip} \n";# h+ Y% Z6 N( C j# x) ]9 O
- echo "Client msg:{$line} \n";4 g5 d5 @9 |4 B: p Q9 `3 @. H( N4 r
- } else {5 t& C q9 p% y; H7 @& V# k
- socket_recv($_sock, $buffer, 2048, 0);
) L+ O+ I# \/ g# o2 k - $msg = $this->message($buffer);. x; I: [& F- q k
- //在这里业务代码2 y! q6 [" V4 B' e% }8 z4 U. M
- echo "{$key} clinet msg:",$msg,"\n";
4 o: a4 K9 Q/ V4 V - fwrite(STDOUT, 'Please input a argument:');
8 V8 C' n3 O2 y+ r/ U4 E - $response = trim(fgets(STDIN));
/ \1 y& z7 [* v' ]) S - $this->send($_sock, $response);& m$ H& U6 [3 c
- echo "{$key} response to Client:".$response,"\n";" O6 Z9 a3 P( \
- }
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- 7 q2 _5 w% y9 S: Z5 o
- /**. r% |2 s4 t9 O3 X& I
- * 握手处理/ A! b) @5 e. {' s/ t
- * @param $newClient socket
- `: o& G/ f4 a9 s - * @return int 接收到的信息
- D8 ~6 }9 n8 F$ O# s' B% ? - */7 Q: K. j. V* A* P% C& w+ T
- public function handshaking($newClient, $line){
2 \6 I% e' i6 F. U' ^ -
; J% ]" H* r: ]& h" N6 e - $headers = array();
# ]+ r. ]9 B# G1 G; w - $lines = preg_split("/\r\n/", $line);
# o8 x; d1 n5 l% f: D" i" S - foreach($lines as $line)
0 d$ j+ K* E/ f4 I" o$ e - {
0 w }3 N s1 l: ] - $line = chop($line);
: N5 s2 w( m3 }* \0 f0 m- \ - if(preg_match('/\A(\S+): (.*)\z/', $line, $matches))
; y0 Y5 F9 c( G7 ]: N) n# e- r - {( v+ |7 i+ I* d# N4 S, _7 b p" f
- $headers[$matches[1]] = $matches[2];* w# W( ~( }5 w! F& ]* k$ }
- }& E5 D" f8 v M5 g
- }
6 P6 d3 _ x+ A3 v( n( b; J$ {# a+ x - $secKey = $headers['Sec-WebSocket-Key'];
( N, ]& |4 T7 H5 W" K8 w - $secAccept = base64_encode(pack('H*', sha1($secKey . '258EAFA5-E914-47DA-95CA-C5AB0DC85B11')));0 M4 { i$ U2 E
- $upgrade = "HTTP/1.1 101 Web Socket Protocol Handshake\r\n" .& [5 m9 y& u' l/ S' X0 Y
- "Upgrade: websocket\r\n" .
: \' o' o/ y: Q( m" _ - "Connection: Upgrade\r\n" .2 W* ~0 V" q4 z, s
- "WebSocket-Origin: $this->address\r\n" .1 Y2 E8 {3 Y8 ?8 h# N& g# o3 Z
- "WebSocket-Location: ws://$this->address:$this->port/websocket/websocket\r\n".
J x- s( {* {! Y2 K - "Sec-WebSocket-Accept:$secAccept\r\n\r\n";
2 H+ w, ~5 W3 Y S- k$ b( a- U& q - return socket_write($newClient, $upgrade, strlen($upgrade));
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- ) Q9 y( B2 Q0 L' _4 R( o: _( ^+ z
- /**+ p3 Y8 q2 R4 y3 |* W) [5 K2 S
- * 解析接收数据
$ ?/ t0 D& ?! T+ B - * @param $buffer
% f7 |2 k. O6 a7 L - * @return null|string- J* u3 p, W% f5 W! X- i5 @
- */8 Q: z8 D( d: }2 N0 H( e2 y! X
- public function message($buffer){7 j( ~( R' P3 N. r# v3 o
- $len = $masks = $data = $decoded = null;4 b! \* ~* d8 V2 m, q& n1 x0 T
- $len = ord($buffer[1]) & 127;
' h6 U9 S1 j- H( m' U* A" { - if ($len === 126) {
# s/ }$ I" p+ c R W - $masks = substr($buffer, 4, 4);. b! s; }+ z. f# R: |+ \) g! u
- $data = substr($buffer, 8);
- H: n) ]! u" n1 u - } else if ($len === 127) {+ C _/ r* t+ S6 s
- $masks = substr($buffer, 10, 4);6 d2 ]8 f2 V/ X1 Q
- $data = substr($buffer, 14);+ }4 A/ Y, m6 k3 f2 ^/ K. l/ j
- } else {
) w: h2 L/ f6 M4 l& h$ d8 J# p - $masks = substr($buffer, 2, 4);
; Y2 A2 J& z! {2 X5 Z! G2 [' C - $data = substr($buffer, 6);# Y6 ~0 z7 g$ Z" ]+ D3 Q9 H1 L
- }1 g! }" g# J* Z- i8 F/ x/ |
- for ($index = 0; $index < strlen($data); $index++) {
8 D% `6 Y" t) Q0 d" l+ [- M - $decoded .= $data[$index] ^ $masks[$index % 4];
2 j8 c, H6 l# T/ i. z - }$ O3 u; k7 {" h2 f- N
- return $decoded;; {& E5 \$ ~# c. H5 g
- }
2 S8 c! ?1 n y: b* r6 h: m - % q# m; P& s! ^
- /**
2 d) M5 ]" G* U r( u4 A* @( K - * 发送数据 [6 U7 r* H8 n5 |9 R
- * @param $newClinet 新接入的socket& M( d2 a6 [# i7 _
- * @param $msg 要发送的数据
* C' m: E/ T5 n) R$ \3 _) ]6 x - * @return int|string
; _, u% [, Y% ~/ M5 Q u3 o% a0 y - */: H @3 }8 V$ ]; Y
- public function send($newClinet, $msg){* |1 z: n3 B5 t1 B) {( o: w$ A
- $msg = $this->frame($msg);
# M9 E5 T3 v- w J! F - socket_write($newClinet, $msg, strlen($msg));: m G' J1 J1 C) X1 b
- }! X0 s T! d, c" G+ d/ f- P
-
6 |6 _9 `9 M0 D) J5 a2 _% W1 c5 D4 D - public function frame($s) {, w G* b `/ ^, ]% x
- $a = str_split($s, 125);
( {1 X" s# H7 s$ `. k9 @- ?2 c - if (count($a) == 1) {9 Z @! G2 f/ Q* }" O. R! R
- return "\x81" . chr(strlen($a[0])) . $a[0];
; H- i. x( Y7 ?) v' c3 Y- f - }! \, a8 A& X6 j+ M0 K6 k
- $ns = "";
/ t$ {/ J' C8 K! ` - foreach ($a as $o) {6 F7 c* H% K6 U% o6 @5 w
- $ns .= "\x81" . chr(strlen($o)) . $o;
' X2 J9 ?2 Q5 i- A/ H( K - }* e1 H0 ?8 m# M1 G0 i( @# F! i3 u
- return $ns;
8 U% W# F, S' D+ ?4 s0 [5 l, g! l- e - }
- E# f* h, Q- [, M: k; j -
! K, R. L) c+ Q3 ? - /**5 t! ^) w$ N8 b( S; w O, b' r" M
- * 关闭socket
* ]: d/ n2 k2 A! p. H - */
* J) F. {# u) U' u# c2 h1 p/ P/ [& r - public function close(){" F4 E8 }' c, D, `1 ^! B+ h0 S: I8 c" E
- return socket_close($this->_sockets);
9 G. P! b, N1 h# M6 ]" Q - }
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-
: A q* U. ~# n: D - $sock = new SocketService();3 x" k/ \3 A f" d' x4 W
- $sock->run();
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- E5 J: l% H1 x
复制代码 web.html0 {/ }& C# o. O* x$ v& N
- <!doctype html>
$ X. _2 {* y/ p* I4 ^9 V! H0 c+ _$ k - <html lang="en">
5 g' s9 @/ { T- V9 J/ D - <head>+ U* m, H7 J) r1 s
- <meta charset="UTF-8">* B) _ v& S4 A" F# G
- <meta name="viewport" content="width=device-width,initial-scale=1, maximum-scale=1, user-scalable=no">( ]/ K" S" f7 `6 r( h. I
- <title>websocket</title>
; J" c4 d ^. P; D/ i - </head>
6 m5 q8 I L, Q- \( }! k9 s/ z8 e - <body>
4 {7 Y. G8 z3 b- T6 F3 Y3 Z7 r - <input id="text" value="">' [3 X* S4 f* S' V
- <input type="submit" value="send" onclick="start()">& v/ J9 r4 ]1 k; X
- <input type="submit" value="close" onclick="close()">/ m0 {! V o3 s \5 y5 C* A% o/ i' J
- <div id="msg"></div>
1 I0 ?1 l: J. v, ^+ {7 V5 i. `5 r - <script>. h* I, m9 z7 K- z) a
- /**
" {- v+ c+ W- O0 p; N0 d( P - 0:未连接4 w% }; q9 g( h
- 1:连接成功,可通讯
# N) q: G2 v4 v0 G& C l; A4 z - 2:正在关闭
, W! H* [1 t5 e" Q; j - 3:连接已关闭或无法打开
: _0 O E. { w4 q - */" N( I. V6 k3 G/ u
-
: H5 M8 f/ Z& w3 a$ u8 ^ - //创建一个webSocket 实例8 R6 u* `. v8 m) b
- var webSocket = new WebSocket("ws://192.168.31.152:8083");. X9 @7 i8 Z+ C2 [- D8 v
- - v) n7 w$ V5 p) Y) Q- L6 F
- ; l4 u2 J# x/ [2 K0 j; R4 F2 F/ P
- webSocket.onerror = function (event){6 `0 ]0 m- G% P& c
- onError(event);1 F, I+ L( C8 a
- };
- I5 B. i3 O7 o! [' ~ - , R; }8 x4 D& J$ t, _
- // 打开websocket6 p. t1 S( U( m
- webSocket.onopen = function (event){
Z- Y$ }+ O t) M - onOpen(event);
; R2 D6 m* A! |; P, Y1 Y - };! Q+ r }: B: R* y. n# X
- " U* U/ o( @! V2 C- u7 v% [: O
- //监听消息
8 k* }' _9 p& X9 @ - webSocket.onmessage = function (event){
2 }2 f7 t, y. ] - onMessage(event);
" y9 M( l: ]. M5 ^9 g0 q3 c% k - };# w7 P R4 [4 t
- # r$ k& j! ~1 R$ }: i. O! p; m
-
* I3 e( L ? W - webSocket.onclose = function (event){5 u4 U% W2 M$ p1 z. N7 n. `
- onClose(event);6 S v3 P0 o. y7 J+ c& K8 A1 q3 h
- }0 b. R" v1 ~) m
-
; |' i$ G& @9 N* m' @$ V - //关闭监听websocket1 A8 i& |- w$ ~5 j( j
- function onError(event){
: F' p. @8 B* t+ ?0 w) b" } - document.getElementById("msg").innerHTML = "<p>close</p>";' Q- ^7 Z: ]& ^/ l
- console.log("error"+event.data);
: s: i( l" Q, E' k' m - };
7 M& B3 L1 Q- c9 m3 |' i Z" D ]" o3 S - 3 P/ d- J( X) O" \
- function onOpen(event){4 U4 j+ |6 Q- I' @1 e
- console.log("open:"+sockState());8 D, t% n9 O9 N9 F0 R7 d# [
- document.getElementById("msg").innerHTML = "<p>Connect to Service</p>";" c0 F2 z+ G; y; L
- };
/ U1 a* w8 ~$ F! h: V: j - function onMessage(event){
/ c+ u/ Y4 n5 s9 y9 H - console.log("onMessage");* l, }6 S$ s$ F8 ]4 [! [
- document.getElementById("msg").innerHTML += "<p>response:"+event.data+"</p>"0 ^# `" e! ~$ S2 n
- };
' `% b" @' }5 O5 U) h& S6 [ -
: [8 q/ K' @# c' u+ m2 d K$ f - function onClose(event){+ D4 |; C6 }6 w& u! I8 ?+ \
- document.getElementById("msg").innerHTML = "<p>close</p>";& ]# s/ x0 m* x2 E' i
- console.log("close:"+sockState());3 n! ?# b& g1 q8 s2 O; c
- webSocket.close();- [5 n1 Q7 C4 B7 ]) s
- }
: W; N: B0 @# ~' f -
( |4 Q3 S% U, n6 ]; X - function sockState(){# G5 \/ g- u6 l- z8 l
- 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'];8 r9 l+ @1 }7 J9 a9 \
- return status[webSocket.readyState]; M& x f5 F9 j$ w, P q7 y8 n8 H; e
- }
m& s. O0 P; g4 }# @/ P1 T -
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-
2 I# y' F9 d& d" C/ [1 \ - function start(event){3 `) q1 [# F3 ^
- console.log(webSocket);
. g: }* }" g3 R H2 ? - var msg = document.getElementById('text').value;, _0 o- G, G, {) _0 r' ]1 t
- document.getElementById('text').value = '';
0 o/ O( Q% T8 r2 m: o/ L' P' [ - console.log("send:"+sockState());
. X" @1 }# U0 x( j3 D8 M/ G/ n - console.log("msg="+msg);/ J8 v0 o) y& I8 ~6 P
- webSocket.send("msg="+msg);% c9 W7 J4 _. T+ B6 v( ^2 K4 U" [
- document.getElementById("msg").innerHTML += "<p>request"+msg+"</p>"1 C1 w, @, ?* R2 D
- };( Z( ], `: p2 [1 ]/ k: @4 m1 `
-
# n( C+ y) D* o; e3 } - function close(event){* _. Z! G; c! N& ^% M$ a9 r( l
- webSocket.close();- `5 J+ j B( b& Q
- }
0 I/ ~2 h: Z9 G& E7 ~- c; a - </script>+ c* V6 o/ \: p
- </body>$ k! B% V8 N3 n& i/ Z
- </html>
复制代码
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