Rename SendDataManager to SendBuffer, which is a clear and proper name. (Part 2: File names)

2011-02-19 18:18:00 +00:00
parent d3d16b8f4c
commit 0618dbd74e
6 changed files with 7 additions and 6 deletions
@@ -0,0 +1,90 @@
+/***************************************************************************
+ *   Copyright (C) 2011 by Lothar May                                      *
+ *                                                                         *
+ *   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.                                   *
+ *                                                                         *
+ *   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; if not, write to the                         *
+ *   Free Software Foundation, Inc.,                                       *
+ *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
+ ***************************************************************************/
+
+#include <boost/asio.hpp>
+#include <boost/bind.hpp>
+
+#include <net/sendbuffer.h>
+#include <boost/swap.hpp>
+
+using namespace std;
+using boost::asio::ip::tcp;
+
+
+SendBuffer::SendBuffer()
+	: sendBuf(NULL), curWriteBuf(NULL), sendBufAllocated(0), sendBufUsed(0),
+	  curWriteBufAllocated(0), curWriteBufUsed(0)
+{
+}
+
+SendBuffer::~SendBuffer()
+{
+	free(sendBuf);
+	free(curWriteBuf);
+}
+
+void
+SendBuffer::HandleWrite(boost::shared_ptr<boost::asio::ip::tcp::socket> socket, const boost::system::error_code &error)
+{
+	if (!error) {
+		// Successfully sent the data.
+		boost::mutex::scoped_lock lock(dataMutex);
+		curWriteBufUsed = 0;
+		// Send more data, if available.
+		AsyncSendNextPacket(socket);
+	}
+}
+
+void
+SendBuffer::AsyncSendNextPacket(boost::shared_ptr<boost::asio::ip::tcp::socket> socket)
+{
+	if (!curWriteBufUsed) {
+		// Swap buffers and send data.
+		boost::swap(curWriteBuf, sendBuf);
+		boost::swap(curWriteBufAllocated, sendBufAllocated);
+		boost::swap(curWriteBufUsed, sendBufUsed);
+		if (curWriteBufUsed) {
+			boost::asio::async_write(
+				*socket,
+				boost::asio::buffer(curWriteBuf, curWriteBufUsed),
+				boost::bind(&SendBuffer::HandleWrite,
+							shared_from_this(),
+							socket,
+							boost::asio::placeholders::error));
+		}
+	}
+}
+
+int
+SendBuffer::EncodeToBuf(const void *data, size_t size, void *arg)
+{
+	SendBuffer *m = (SendBuffer *)arg;
+
+	// Realloc buffer if necessary.
+	while (m->GetSendBufLeft() < size) {
+		if (!m->ReallocSendBuf()) {
+			return -1;
+		}
+	}
+
+	m->AppendToSendBufWithoutCheck((const char*)data, size);
+
+	return 0;
+}
+