UdpConnector.cpp

[詳解]

// ----------------------------------------------------------------------------
 
#include "pch.h"
#include "UdpConnector.h"
 
using namespace alt;
 
UdpConnector::UdpConnector (SOCKET socket)
{
    _socket = socket;
    ZeroMemory (&_sockAddrIn, sizeof (_sockAddrIn));
}
 
UdpConnector::UdpConnector ()
    :SocketLibrary ()
{
    ZeroMemory (&_sockAddrIn, sizeof (_sockAddrIn));
}
 
INT UdpConnector::Send (LPVOID lpvBuf, DWORD dwSize) const
{
    int ret = ::sendto (
        _socket, (PCHAR)lpvBuf, (int)dwSize, 0, (const sockaddr*)&_sockAddrIn,
        sizeof (_sockAddrIn));
 
    return ret;
}
 
INT UdpConnector::Recv (LPVOID lpvBuf, DWORD dwSize) const
{
    INT ret = ::recv (_socket, (PCHAR)lpvBuf, (int)dwSize, 0);
 
    return ret;
}
 
BOOL UdpConnector::SetSockAddr (LPCTSTR lpctszAddress, u_short portNo)
{
    BOOL response = TRUE;
 
    _sockAddrIn.sin_family = AF_INET;
    _sockAddrIn.sin_port = htons (portNo);
    if (lpctszAddress != NULL)
    {
        INT ret = ::InetPton (AF_INET, lpctszAddress, &(_sockAddrIn.sin_addr));
        if (ret != 1)
        {
            response = FALSE;
        }
    }
 
    return response;
}