php socket编程实例

Eddy 发布于2012-12-24 14:46:14 分类: 网站相关 已浏览loading 网友评论0条 我要评论

因为用到客户端程序与网页三方支付接口交互,我觉得可以这样来简单实现,在三方支付回调页面中放一个socket服务端,客户端程序与这个socket服务端进行交互,以此来进行最终业务逻辑处理。

php中socket编程,简单实例代码如下:

服务端:

[CODE=php]
set_time_limit(0);

if(!extension_loaded('sockets')){
//die('服务器未加载sockets扩展');
if(strtoupper(substr(PHP_OS, 3)) == “WIN”)
{
dl(‘php_sockets.dll’);
}
else
{
dl(‘sockets.so’);
}
}

$sock = socket_create(AF_INET,SOCK_STREAM,SOL_TCP);
if(!$sock){
die('创建socket失败');
}

if(!socket_bind($sock,$_SERVER['SERVER_ADDR'],9394)){
die('socket绑定失败');
}

if(!socket_listen($sock)){
die('socket监听失败');
}

$client_id = 0;
do{
//阻塞,直到有客户端连接
$connection = socket_accept($sock);
++$client_id;
printf("Socket connected-$client_id\n");

$buffer='Hello, world!';
socket_write($connection, $buffer . "\n");

do{
$buf =socket_read($connection, 1024, PHP_NORMAL_READ);
//退出连接条件
if($buf=="100\n"){
socket_write($connection, 'bye' . "\n");
break;
}
echo $buf;
socket_write($connection, 'copy that' . "\n");
}while(1);

socket_close($connection);
}while(1);

socket_close($sock);
?>
[/CODE]

客户端:

[CODE=php]
if(!extension_loaded('sockets')){
//die('服务器未加载sockets扩展');
if(strtoupper(substr(PHP_OS, 3)) == “WIN”)
{
dl(‘php_sockets.dll’);
}
else
{
dl(‘sockets.so’);
}
}

$socket = socket_create(AF_INET,SOCK_STREAM,SOL_TCP);
if(!$socket){
die('创建socket失败');
}

$connection = socket_connect($socket,'localhost', 9394);

$send=0;
do{
$buffer = socket_read($socket, 1024, PHP_NORMAL_READ);
//退出连接条件
if($buffer=="bye\n"){
break;
}

echo $buffer;
++$send;
socket_write($socket, $send . "\n");
}while(1);

socket_close($socket);
?>
[/CODE]

与c++程序交互,客户端:

[CODE=cplusplus]
#include
#include
#pragma comment(lib,"ws2_32.lib")
using namespace std;

int main(int argc, char* argv[])
{
WSADATA wsaData;
WORD wVersionRequested=MAKEWORD(2,2);
int err = WSAStartup(wVersionRequested,&wsaData);
if (!err)
{
cout<<"inital socket success"< SOCKET sock = WSASocket(AF_INET,SOCK_STREAM,0,NULL,0,WSA_FLAG_OVERLAPPED);
if (sock != INVALID_SOCKET)
{
cout<<"create socket success"<
SOCKADDR_IN addr;
addr.sin_addr.S_un.S_addr=inet_addr("127.0.0.1");
addr.sin_family=AF_INET;
addr.sin_port=htons(9394);
int errcon = connect(sock,(SOCKADDR*)&addr,sizeof(SOCKADDR));
if (errcon == SOCKET_ERROR)
{
cout<<"connection failed:"< closesocket(sock);
WSACleanup();
return -1;
}
cout<<"connection success"< char sendBuf[1024]={0};
char recvBuf[1024]={0};

recv(sock,recvBuf,1024,0);
cout<
while (TRUE)
{
cout<<"Please input data:"< cin>>sendBuf;
if (sendBuf==NULL)
{
break;
}

send(sock,sendBuf,strlen(sendBuf),0);
Sleep(500);
recv(sock,recvBuf,1024,0);
cout< if (!strcmp(recvBuf,"bye"))
{
cout<<"connection over"< break;
}
Sleep(500);
}
closesocket(sock);
WSACleanup();
}
else
{
cout<<"create socket failed"< WSACleanup();
}
}
else
{
cout<<"inital socket failed"< }
return 0;
}
[/CODE]

与c/c++程序交互,php服务端读取数据应该用二进制模式读取:

另外,发送数据时,字符串末尾要加\0:

[CODE=php]
do{
//$buf =socket_read($connection, 1024, PHP_NORMAL_READ);
$buf =socket_read($connection, 1024, PHP_BINARY_READ);
//退出连接条件
var_dump($buf);
if($buf=="quit"){
socket_write($connection, "bye\0");
break;
}else if($buf=="isok"){
socket_write($connection, "ok\0");
}
echo $buf;
socket_write($connection, "copy that\0");
}while(1);
[/CODE]

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