Network/TcpClient|UdpSocket: Add SendMultiple method

To efficiently merge multiples buffers into a reduced number of network
packets

src/Nazara/Network/UdpSocket.cpp

@@ -179,6 +179,31 @@ namespace Nz
 		return true;
 	}
 
+	/*!
+	* \brief Sends multiple buffers as one datagram
+	* \return true If data were sent
+	*
+	* \param to Destination IpAddress (must match socket protocol)
+	* \param buffers A pointer to an array of NetBuffer containing buffers and size data
+	* \param size Number of NetBuffer to send
+	* \param sent Optional argument to get the number of bytes sent
+	*/
+	bool UdpSocket::SendMultiple(const IpAddress& to, const NetBuffer* buffers, std::size_t bufferCount, std::size_t* sent)
+	{
+		NazaraAssert(to.IsValid(), "Invalid ip address");
+		NazaraAssert(to.GetProtocol() == m_protocol, "IP Address has a different protocol than the socket");
+		NazaraAssert(buffers && bufferCount > 0, "Invalid buffer");
+
+		int byteSent;
+		if (!SocketImpl::SendMultiple(m_handle, buffers, bufferCount, to, &byteSent, &m_lastError))
+			return false;
+
+		if (sent)
+			*sent = byteSent;
+
+		return true;
+	}
+
 	/*!
 	* \brief Sends the packet available
 	* \return true If packet sent