一个C写的socket监听程序与php交互例子

环境: Linux + Apache + Php
程序提供： KingArthur From 21php.com
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总结： [e-mail]
-------------------------------------- C 程序---------------------------------------

#include
#include
#include
#include
#include
#include
#include
#define SOCK_PATH "/usr/local/apache/cgi-bin/test/nettest"

int main(void)
{
       // 定义变量
int s;
int s2;
int t;
int len;
struct sockaddr_un local;
struct sockaddr_un remote;
char str[100];

// 建立一个socket
if ((s = socket(AF_UNIX, SOCK_STREAM, 0)) == -1)
{
perror("socket");
exit(1);
}

//确定socket格式
local.sun_family = AF_UNIX;
strcpy(local.sun_path, SOCK_PATH);
unlink(local.sun_path);
len = strlen(local.sun_path) + sizeof(local.sun_family);

       // 绑定
if (bind(s, (struct sockaddr *)&local, len) == -1)
{
perror("bind");
exit(1);
}

       // 监听
if (listen(s, 5) == -1)
{
perror("listen");
exit(1);
}

for (;;)
{
printf("Waiting for a connection...\n");
t = sizeof(remote);
if ((s2 = accept(s, (struct sockaddr *)&remote, &t)) == -1)
{
perror("accept");
exit(1);
}
write(s2, "Content-Type:text/html\n\n");
write(s2, "Hello, World!\n", 14);
printf("Connected.\n");
close(s2);
}
return 0;
}

------------------------------------- PHP 程序 ------------------------------------

// 下面是编译过的程序地址
if (! ($fd = fsockopen("/usr/local/apache/cgi-bin/test/nettest", 0, &$error_number, &$error_des, 60)))
{
printf(" fsockopen error ! ");
   echo "
error_number ---- $error_number";
   echo "
error_des ------- $error_des";
   exit;
}
$str=fgets($fd, 14);
echo "$str";
?>