我有两个类UDPSender和UDPReceiver
Senarios:
(1)当我在QNX中运行UDPSender和在Linux中运行UDPReceiver时,它可以工作
(2)当我在QXX中运行UDPSender并在WindowsXP中运行UDPReceiver时,它不起作用。(但我看到UDP数据报使用Wireshark,意味着Sender在Senario(1)中工作)
(3)它部分适用于Windows
i)如果我使用Sender发送UDP消息到127.0.0.1,Receiver可以获得消息
ii)如果我使用发送方发送UDP消息到192.168.1.137(网络中的本地地址),接收方无法接收。
我的问题是:
如何让Receiver在Windows上运行?
一些代码:
UDPReceiver::UDPReceiver( boost::asio::io_service& service, unsigned short port )
: m_service( service ),
m_socket( service, udp::endpoint(udp::v4(), port)),
m_peerEndpoint(),
m_buffer(),
m_messageReceipient()
{
}
void UDPReceiver::SetMessageReceipient( const boost::function<void(const char*, unsigned int)>& r )
{
m_messageReceipient = r;
}
void UDPReceiver::Start()
{
m_socket.async_receive_from(
boost::asio::buffer(m_buffer, m_buffer.size()), m_peerEndpoint,
boost::bind( &UDPReceiver::HandleReceived, shared_from_this(),
boost::asio::placeholders::error,
boost::asio::placeholders::bytes_transferred));
}
void UDPReceiver::Stop()
{
m_socket.close();
}
void UDPReceiver::HandleReceived( const boost::system::error_code& error, size_t bytesReceived )
{
assert( !m_messageReceipient.empty() );
if( error ) {
LOG( Comms, Error, "UDPReceiver:" << error.message() );
}
else {
m_messageReceipient( &m_buffer.front(), bytesReceived );
m_socket.async_receive_from(
boost::asio::buffer(m_buffer, m_buffer.size()), m_peerEndpoint,
boost::bind( &UDPReceiver::HandleReceived, shared_from_this(),
boost::asio::placeholders::error,
boost::asio::placeholders::bytes_transferred));
}
}
答案 0 :(得分:2)
它可能被Windows防火墙阻止。