Network/TcpClient|UdpSocket: Add SendMultiple method

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

src/Nazara/Network/TcpClient.cpp

@@ -353,6 +353,45 @@ namespace Nz
 		return true;
 	}
 
+	/*!
+	* \brief Sends multiple buffers at once
+	* \return true If data were sent
+	*
+	* \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 TcpClient::SendMultiple(const NetBuffer* buffers, std::size_t bufferCount, std::size_t* sent)
+	{
+		NazaraAssert(buffers && bufferCount > 0, "Invalid buffer");
+
+		int byteSent;
+		if (!SocketImpl::SendMultiple(m_handle, buffers, bufferCount, m_peerAddress, &byteSent, &m_lastError))
+		{
+			switch (m_lastError)
+			{
+				case SocketError_ConnectionClosed:
+				case SocketError_ConnectionRefused:
+					UpdateState(SocketState_NotConnected);
+					break;
+
+				default:
+					break;
+			}
+
+			if (sent)
+				*sent = byteSent;
+
+			return false;
+		}
+
+		if (sent)
+			*sent = byteSent;
+
+		UpdateState(SocketState_Connected);
+		return true;
+	}
+
 	/*!
 	* \brief Sends the packet available
 	* \return true If packet sent