Imported existing code

indra/llmessage/llxfer_mem.cpp

@@ -0,0 +1,224 @@
+/** 
+ * @file llxfer_mem.cpp
+ * @brief implementation of LLXfer_Mem class for a single xfer
+ *
+ * $LicenseInfo:firstyear=2001&license=viewergpl$
+ * 
+ * Copyright (c) 2001-2009, Linden Research, Inc.
+ * 
+ * Second Life Viewer Source Code
+ * The source code in this file ("Source Code") is provided by Linden Lab
+ * to you under the terms of the GNU General Public License, version 2.0
+ * ("GPL"), unless you have obtained a separate licensing agreement
+ * ("Other License"), formally executed by you and Linden Lab.  Terms of
+ * the GPL can be found in doc/GPL-license.txt in this distribution, or
+ * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
+ * 
+ * There are special exceptions to the terms and conditions of the GPL as
+ * it is applied to this Source Code. View the full text of the exception
+ * in the file doc/FLOSS-exception.txt in this software distribution, or
+ * online at
+ * http://secondlifegrid.net/programs/open_source/licensing/flossexception
+ * 
+ * By copying, modifying or distributing this software, you acknowledge
+ * that you have read and understood your obligations described above,
+ * and agree to abide by those obligations.
+ * 
+ * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
+ * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
+ * COMPLETENESS OR PERFORMANCE.
+ * $/LicenseInfo$
+ */
+
+#include "linden_common.h"
+
+#include "llxfer_mem.h"
+#include "lluuid.h"
+#include "llerror.h"
+#include "llmath.h"
+
+///////////////////////////////////////////////////////////
+
+LLXfer_Mem::LLXfer_Mem ()
+: LLXfer(-1)
+{
+	init();
+}
+
+///////////////////////////////////////////////////////////
+
+LLXfer_Mem::~LLXfer_Mem ()
+{
+	cleanup();
+}
+
+///////////////////////////////////////////////////////////
+
+void LLXfer_Mem::init ()
+{
+	mRemoteFilename.clear();
+	mRemotePath = LL_PATH_NONE;
+	mDeleteRemoteOnCompletion = FALSE;
+}
+	
+///////////////////////////////////////////////////////////
+
+void LLXfer_Mem::cleanup ()
+{
+	LLXfer::cleanup();
+}
+
+///////////////////////////////////////////////////////////
+
+void LLXfer_Mem::setXferSize (S32 xfer_size)
+{	
+	mXferSize = xfer_size;
+
+	delete[] mBuffer;
+	mBuffer = new char[xfer_size];
+	
+	mBufferLength = 0;
+	mBufferStartOffset = 0;	
+	mBufferContainsEOF = TRUE;
+
+//	cout << "starting transfer of size: " << xfer_size << endl;
+}
+
+///////////////////////////////////////////////////////////
+
+U64 LLXfer_Mem::registerXfer(U64 xfer_id, const void *datap, const S32 length)
+{
+	mID = xfer_id;
+
+	if (datap)
+	{
+		setXferSize(length);
+		if (mBuffer)
+		{
+			memcpy(mBuffer,datap,length);		/* Flawfinder : ignore */
+			mBufferLength = length;
+		}
+		else
+		{
+			xfer_id = 0;
+		}
+	}
+	
+	mStatus = e_LL_XFER_REGISTERED;
+	return (xfer_id);
+}
+
+S32 LLXfer_Mem::startSend (U64 xfer_id, const LLHost &remote_host)
+{
+	S32 retval = LL_ERR_NOERR;  // presume success
+	
+	if (mXferSize <= 0)
+	{
+		return LL_ERR_FILE_EMPTY;
+	}
+
+    mRemoteHost = remote_host;
+	mID = xfer_id;
+   	mPacketNum = -1;
+
+//	cout << "Sending file: " << getFileName() << endl;
+
+	mStatus = e_LL_XFER_PENDING;
+
+	return (retval);
+}
+
+///////////////////////////////////////////////////////////
+
+S32 LLXfer_Mem::processEOF()
+{
+	S32 retval = 0;
+
+	mStatus = e_LL_XFER_COMPLETE;
+
+	llinfos << "xfer complete: " << getFileName() << llendl;
+
+	if (mCallback)
+	{
+		mCallback((void *)mBuffer,mBufferLength,mCallbackDataHandle,mCallbackResult,LL_EXSTAT_NONE);
+	}
+
+	return(retval);
+}
+
+///////////////////////////////////////////////////////////
+
+S32 LLXfer_Mem::initializeRequest(U64 xfer_id,
+								  const std::string& remote_filename,
+								  ELLPath remote_path,
+								  const LLHost& remote_host,
+								  BOOL delete_remote_on_completion,
+								  void (*callback)(void*,S32,void**,S32,LLExtStat),
+								  void** user_data)
+{
+ 	S32 retval = 0;  // presume success
+	
+	mRemoteHost = remote_host;
+
+	// create a temp filename string using a GUID
+	mID = xfer_id;
+	mCallback = callback;
+	mCallbackDataHandle = user_data;
+	mCallbackResult = LL_ERR_NOERR;
+
+	mRemoteFilename = remote_filename;
+	mRemotePath = remote_path;
+	mDeleteRemoteOnCompletion = delete_remote_on_completion;
+
+	llinfos << "Requesting file: " << remote_filename << llendl;
+
+	delete [] mBuffer;
+	mBuffer = NULL;
+
+	mBufferLength = 0;
+	mPacketNum = 0;
+ 	mStatus = e_LL_XFER_PENDING;
+	return retval;
+}
+
+//////////////////////////////////////////////////////////
+
+S32 LLXfer_Mem::startDownload()
+{
+ 	S32 retval = 0;  // presume success
+	gMessageSystem->newMessageFast(_PREHASH_RequestXfer);
+	gMessageSystem->nextBlockFast(_PREHASH_XferID);
+	gMessageSystem->addU64Fast(_PREHASH_ID, mID);
+	gMessageSystem->addStringFast(_PREHASH_Filename, mRemoteFilename);
+	gMessageSystem->addU8("FilePath", (U8) mRemotePath);
+	gMessageSystem->addBOOL("DeleteOnCompletion", mDeleteRemoteOnCompletion);
+	gMessageSystem->addBOOL("UseBigPackets", BOOL(mChunkSize == LL_XFER_LARGE_PAYLOAD));
+	gMessageSystem->addUUIDFast(_PREHASH_VFileID, LLUUID::null);
+	gMessageSystem->addS16Fast(_PREHASH_VFileType, -1);
+
+	gMessageSystem->sendReliable(mRemoteHost);		
+	mStatus = e_LL_XFER_IN_PROGRESS;
+
+	return (retval);
+}
+
+//////////////////////////////////////////////////////////
+
+U32 LLXfer_Mem::getXferTypeTag()
+{
+	return LLXfer::XFER_MEM;
+}
+
+
+
+
+
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