Mercurial > projects > hoofbaby
view deps/Platinum/Source/Core/PltDatagramStream.cpp @ 0:3425707ddbf6
Initial import (hopefully this mercurial stuff works...)
author | fraserofthenight |
---|---|
date | Mon, 06 Jul 2009 08:06:28 -0700 |
parents | |
children |
line wrap: on
line source
/***************************************************************** | | Platinum - Datagram Stream | | Copyright (c) 2004-2008, Plutinosoft, LLC. | All rights reserved. | http://www.plutinosoft.com | | This program is free software; you can redistribute it and/or | modify it under the terms of the GNU General Public License | as published by the Free Software Foundation; either version 2 | of the License, or (at your option) any later version. | | OEMs, ISVs, VARs and other distributors that combine and | distribute commercially licensed software with Platinum software | and do not wish to distribute the source code for the commercially | licensed software under version 2, or (at your option) any later | version, of the GNU General Public License (the "GPL") must enter | into a commercial license agreement with Plutinosoft, LLC. | | This program is distributed in the hope that it will be useful, | but WITHOUT ANY WARRANTY; without even the implied warranty of | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | GNU General Public License for more details. | | You should have received a copy of the GNU General Public License | along with this program; see the file LICENSE.txt. If not, write to | the Free Software Foundation, Inc., | 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. | http://www.gnu.org/licenses/gpl-2.0.html | ****************************************************************/ /*---------------------------------------------------------------------- | includes +---------------------------------------------------------------------*/ #include "PltDatagramStream.h" /*---------------------------------------------------------------------- | PLT_InputDatagramStream::PLT_InputDatagramStream +---------------------------------------------------------------------*/ PLT_InputDatagramStream::PLT_InputDatagramStream(NPT_UdpSocket* socket) : m_Socket(socket) { } /*---------------------------------------------------------------------- | PLT_InputDatagramStream::~PLT_InputDatagramStream +---------------------------------------------------------------------*/ PLT_InputDatagramStream::~PLT_InputDatagramStream() { } /*---------------------------------------------------------------------- | PLT_InputDatagramStream::Read +---------------------------------------------------------------------*/ NPT_Result PLT_InputDatagramStream::Read(void* buffer, NPT_Size bytes_to_read, NPT_Size* bytes_read /*= 0*/) { if (bytes_read) *bytes_read = 0; if (bytes_to_read == 0) { return NPT_SUCCESS; } NPT_DataBuffer data_buffer(buffer, bytes_to_read, false); // read data into it now NPT_SocketAddress addr; NPT_Result res = m_Socket->Receive(data_buffer, &addr); // update info m_Socket->GetInfo(m_Info); m_Info.remote_address = addr; if (bytes_read) *bytes_read = data_buffer.GetDataSize(); return res; } /*---------------------------------------------------------------------- | PLT_OutputDatagramStream::GetInfo +---------------------------------------------------------------------*/ NPT_Result PLT_InputDatagramStream::GetInfo(NPT_SocketInfo& info) { info = m_Info; return NPT_SUCCESS; } /*---------------------------------------------------------------------- | PLT_OutputDatagramStream::PLT_OutputDatagramStream +---------------------------------------------------------------------*/ PLT_OutputDatagramStream::PLT_OutputDatagramStream(NPT_UdpSocket* socket, NPT_Size size, const NPT_SocketAddress* address) : m_Socket(socket), m_Address(address?new NPT_SocketAddress(address->GetIpAddress(), address->GetPort()):NULL) { m_Buffer.SetBufferSize(size); } /*---------------------------------------------------------------------- | PLT_OutputDatagramStream::~PLT_OutputDatagramStream +---------------------------------------------------------------------*/ PLT_OutputDatagramStream::~PLT_OutputDatagramStream() { delete m_Address; } /*---------------------------------------------------------------------- | PLT_OutputDatagramStream::Write +---------------------------------------------------------------------*/ NPT_Result PLT_OutputDatagramStream::Write(const void* buffer, NPT_Size bytes_to_write, NPT_Size* bytes_written /* = NULL */) { // calculate if we need to increase the buffer NPT_Int32 overflow = bytes_to_write - m_Buffer.GetBufferSize() + m_Buffer.GetDataSize(); if (overflow > 0) { m_Buffer.Reserve(m_Buffer.GetBufferSize() + overflow); } // copy data in place at the end of what we have there already NPT_CopyMemory(m_Buffer.UseData() + m_Buffer.GetDataSize(), buffer, bytes_to_write); m_Buffer.SetDataSize(m_Buffer.GetDataSize() + bytes_to_write); if (bytes_written) *bytes_written = bytes_to_write; return NPT_SUCCESS; } /*---------------------------------------------------------------------- | PLT_OutputDatagramStream::Flush +---------------------------------------------------------------------*/ NPT_Result PLT_OutputDatagramStream::Flush() { // send buffer now m_Socket->Send(m_Buffer, m_Address); // reset buffer m_Buffer.SetDataSize(0); return NPT_SUCCESS; }