MAINT-7626 Incorporate transfer changes into viewer

1 files changed, 37 insertions, 3 deletions

diff --git a/indra/llmessage/llxfer_file.cpp b/indra/llmessage/llxfer_file.cpp
index 8e2ed890e7..ad55e389f3 100644
--- a/indra/llmessage/llxfer_file.cpp
+++ b/indra/llmessage/llxfer_file.cpp
@@ -206,7 +206,8 @@ S32 LLXfer_File::startSend (U64 xfer_id, const LLHost &remote_host)
 
 	mBufferLength = 0;
 	mBufferStartOffset = 0;	
-	
+
+	// We leave the file open, assuming we'll start reading and sending soon
 	mFp = LLFile::fopen(mLocalFilename,"rb");		/* Flawfinder : ignore */
 	if (mFp)
 	{
@@ -233,6 +234,36 @@ S32 LLXfer_File::startSend (U64 xfer_id, const LLHost &remote_host)
 }
 
 ///////////////////////////////////////////////////////////
+void LLXfer_File::closeFileHandle()
+{
+	if (mFp)
+	{
+		fclose(mFp);
+		mFp = NULL;
+	}
+}
+
+///////////////////////////////////////////////////////////
+
+S32 LLXfer_File::reopenFileHandle()
+{
+	S32 retval = LL_ERR_NOERR;  // presume success
+
+	if (mFp == NULL)
+	{
+		mFp = LLFile::fopen(mLocalFilename,"rb");		/* Flawfinder : ignore */
+		if (mFp == NULL)
+		{
+			LL_INFOS("Xfer") << "Warning: " << mLocalFilename << " not found when re-opening file" << LL_ENDL;
+			retval = LL_ERR_FILE_NOT_FOUND;
+		}
+	}
+
+	return retval;
+}
+
+
+///////////////////////////////////////////////////////////
 
 S32 LLXfer_File::getMaxBufferSize ()
 {
@@ -285,9 +316,12 @@ S32 LLXfer_File::flush()
 
 		if (mFp)
 		{
-			if (fwrite(mBuffer,1,mBufferLength,mFp) != mBufferLength)
+			S32 write_size = fwrite(mBuffer,1,mBufferLength,mFp);
+			if (write_size != mBufferLength)
 			{
-				LL_WARNS() << "Short write" << LL_ENDL;
+				LL_WARNS("Xfer") << "Non-matching write size, requested " << mBufferLength
+					<< " but wrote " << write_size
+					<< LL_ENDL;
 			}
 			
 //			LL_INFOS() << "******* wrote " << mBufferLength << " bytes of file xfer" << LL_ENDL;