Files
axyz/src/Engine/Network/UDPClient.cpp
T
2016-02-23 11:07:56 +01:00

98 lines
2.4 KiB
C++

#include "Network/UDPClient.h"
using namespace boost::asio::ip;
UDPClient::UDPClient()
{
}
UDPClient::~UDPClient()
{
}
void UDPClient::Connect(std::string playerName, std::string address, int port)
{
if (m_Socket) {
return;
}
m_ReceiverEndpoint = udp::endpoint(boost::asio::ip::address().from_string(address), port);
m_Socket = boost::shared_ptr<boost::asio::ip::udp::socket>(new boost::asio::ip::udp::socket(m_IOService));
m_Socket->open(boost::asio::ip::udp::v4());
}
void UDPClient::Disconnect()
{
}
void UDPClient::Receive(Packet& packet)
{
int bytesRead = readBuffer();
if (bytesRead > 0) {
packet.ReconstructFromData(m_ReadBuffer, bytesRead);
}
}
int UDPClient::readBuffer()
{
if (!m_Socket) {
return 0;
}
boost::system::error_code error;
// Read size of packet
m_Socket->receive(boost
::asio::buffer((void*)m_ReadBuffer, sizeof(int)),
boost::asio::ip::udp::socket::message_peek, error);
int sizeOfPacket = 0;
memcpy(&sizeOfPacket, m_ReadBuffer, sizeof(int));
// if the buffer is to small increase the size of it
if (sizeOfPacket > m_BufferSize) {
delete[] m_ReadBuffer;
m_ReadBuffer = new char[sizeOfPacket];
m_BufferSize = sizeOfPacket;
}
size_t availableData = m_Socket->available();
// Read the rest of the message
size_t bytesReceived = m_Socket->receive_from(boost
::asio::buffer((void*)(m_ReadBuffer),
sizeOfPacket),
m_ReceiverEndpoint, 0, error);
if (error) {
//LOG_ERROR("receive: %s", error.message().c_str());
}
if (sizeOfPacket > 1000000)
LOG_WARNING("The packets received are bigger than 1MB");
return bytesReceived;
}
void UDPClient::Send(Packet& packet)
{
packet.UpdateSize();
m_Socket->send_to(boost::asio::buffer(
packet.Data(),
packet.Size()),
m_ReceiverEndpoint, 0);
}
void UDPClient::Broadcast(Packet& packet, int port)
{
packet.UpdateSize();
m_Socket->set_option(boost::asio::socket_base::broadcast(true));
m_Socket->send_to(boost::asio::buffer(
packet.Data(),
packet.Size()),
udp::endpoint(boost::asio::ip::address_v4().broadcast(), port)
, 0);
m_Socket->set_option(boost::asio::socket_base::broadcast(false));
}
bool UDPClient::IsSocketAvailable()
{
if (!m_Socket) {
return false;
}
return m_Socket->available();
}