01
02
if (php_sapi_name() != 'cli') {
03
exit("run cli");
04
}
05
06
# php.ini 里 error_reporting 设置要么生要么死
07
# while(true) 太凶猛了，写日志会占用高的IO
08
//ini_set('error_reporting', E_ERROR);
09
//ini_set('display_errors', 0);
10
set_time_limit(0);
11
12
# 记录文件
13
$recvfile = './recv.txt';
14
15
# 心跳标记
16
$heartag = "\r\n";
17
18
# 数组长度
19
$datalen = 1024 * 1024;
20
21
$ip = '192.168.125.233';
22
$port = 12345;
23
24
# IPv4, 流, TCP
25
$sockect = socket_create(AF_INET, SOCK_STREAM, SOL_TCP);
26
# 绑定服务端必须的
27
if (!socket_bind($sockect, $ip, $port)) {
28
exit("socket bind fail\n");
29
}
30
31
# 监听
32
socket_listen($sockect);
33
# 不阻塞
34
socket_set_nonblock($sockect);
35
36
$clients = array();
37
38
while (true) {
39
# 接收客户端连接
40
$client = socket_accept($sockect);
41
if (is_resource($client)) {
42
# 触发心跳
43
socket_write($client, $heartag, strlen($heartag));
44
$clients[] = $client;
45
printf("client index:%d\n", count($clients));
46
}
47
unset($client);
48
49
if (!empty($clients)) {
50
foreach ($clients AS $idx => &$client) {
51
if (is_resource($client)) {
52
$recvstr = '';
53
# 接收客户端数据 注意：第四个参数必须为零，这跟手册上不一样，还没搞明白
54
if (socket_recv($client, $recvstr, $datalen, 0) === 0) {
55
socket_close($client);
56
socket_shutdown($client);
57
unset($clients[$idx]);
58
continue;
59
}
60
61
if ($recvstr == $heartag) {
62
# 触发心跳
63
socket_write($client, $heartag, strlen($heartag));
64
} elseif (trim($recvstr) != "") {
65
# 输出接收的消息
66
$stdmsg = sprintf("%d:%s\n", $idx, $recvstr);
67
file_put_contents($recvfile, $stdmsg, FILE_APPEND);
68
echo $stdmsg;
69
}
70
}
71
unset($recvstr, $idx);
72
}
73
}
74
# 要睡多久？这是个问题,不睡 CPU 很累, 内存吃的厉害
75
usleep(50000);
76
}
77
78
socket_close($sockect);
79
socket_shutdown($sockect);
80
?>
作者：oodbqpoo
http://www.bkjia.com/PHPjc/478071.htmlwww.bkjia.comtruehttp://www.bkjia.com/PHPjc/478071.htmlTechArticle01 ?php 02 if (php_sapi_name() != cli) { 03 exit(run cli); 04 } 05 06 # php.ini 里 error_reporting 设置要么生要么死 07 # while(true) 太凶猛了，写日志会占用高的...
