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Diffstat (limited to 'indra/llmessage/lltransfersourcefile.cpp')
-rw-r--r-- | indra/llmessage/lltransfersourcefile.cpp | 151 |
1 files changed, 151 insertions, 0 deletions
diff --git a/indra/llmessage/lltransfersourcefile.cpp b/indra/llmessage/lltransfersourcefile.cpp new file mode 100644 index 0000000000..45b03d7653 --- /dev/null +++ b/indra/llmessage/lltransfersourcefile.cpp @@ -0,0 +1,151 @@ +/** + * @file lltransfersourcefile.cpp + * @brief Transfer system for sending a file. + * + * Copyright (c) 2006-$CurrentYear$, Linden Research, Inc. + * $License$ + */ + +#include "linden_common.h" + +#include "lltransfersourcefile.h" + +#include "llerror.h" +#include "message.h" +#include "lldatapacker.h" +#include "lldir.h" + +LLTransferSourceFile::LLTransferSourceFile(const LLUUID &request_id, const F32 priority) : + LLTransferSource(LLTST_FILE, request_id, priority), + mFP(NULL) +{ +} + +LLTransferSourceFile::~LLTransferSourceFile() +{ + if (mFP) + { + llerrs << "Destructor called without the completion callback being called!" << llendl; + } +} + +void LLTransferSourceFile::initTransfer() +{ + std::string filename = mParams.getFilename(); + std::string delimiter = gDirUtilp->getDirDelimiter(); + + if((filename == ".") + || (filename == "..") + || (filename.find(delimiter[0]) != std::string::npos)) + { + llwarns << "Attempting to transfer file " << filename << " with path delimiter, aborting!" << llendl; + + sendTransferStatus(LLTS_ERROR); + return; + } + // Look for the file. + mFP = LLFile::fopen(mParams.getFilename().c_str(), "rb"); /* Flawfinder: ignore */ + if (!mFP) + { + sendTransferStatus(LLTS_ERROR); + return; + } + + // Get the size of the file using the hack from + fseek(mFP,0,SEEK_END); + mSize = ftell(mFP); + fseek(mFP,0,SEEK_SET); + + sendTransferStatus(LLTS_OK); +} + +F32 LLTransferSourceFile::updatePriority() +{ + return 0.f; +} + +LLTSCode LLTransferSourceFile::dataCallback(const S32 packet_id, + const S32 max_bytes, + U8 **data_handle, + S32 &returned_bytes, + BOOL &delete_returned) +{ + //llinfos << "LLTransferSourceFile::dataCallback" << llendl; + + if (!mFP) + { + llerrs << "Data callback without file set!" << llendl; + return LLTS_ERROR; + } + + if (packet_id != mLastPacketID + 1) + { + llerrs << "Can't handle out of order file transfer yet!" << llendl; + } + + // Grab up until the max number of bytes from the file. + delete_returned = TRUE; + U8 *tmpp = new U8[max_bytes]; + *data_handle = tmpp; + returned_bytes = (S32)fread(tmpp, 1, max_bytes, mFP); + if (!returned_bytes) + { + delete[] tmpp; + *data_handle = NULL; + returned_bytes = 0; + delete_returned = FALSE; + return LLTS_DONE; + } + + return LLTS_OK; +} + +void LLTransferSourceFile::completionCallback(const LLTSCode status) +{ + // No matter what happens, all we want to do is close the file pointer if + // we've got it open. + if (mFP) + { + fclose(mFP); + mFP = NULL; + + } + // Delete the file iff the filename begins with "TEMP" + if (mParams.getDeleteOnCompletion() && memcmp(mParams.getFilename().c_str(), "TEMP", 4) == 0) + { + LLFile::remove(mParams.getFilename().c_str()); + } +} + +BOOL LLTransferSourceFile::unpackParams(LLDataPacker &dp) +{ + //llinfos << "LLTransferSourceFile::unpackParams" << llendl; + + return mParams.unpackParams(dp); +} + + +LLTransferSourceParamsFile::LLTransferSourceParamsFile() : LLTransferSourceParams(LLTST_FILE) +{ +} + + +void LLTransferSourceParamsFile::packParams(LLDataPacker &dp) const +{ + dp.packString(mFilename.c_str(), "Filename"); + dp.packU8((U8)mDeleteOnCompletion, "Delete"); +} + + +BOOL LLTransferSourceParamsFile::unpackParams(LLDataPacker &dp) +{ + char tmp_str[512]; /* Flawfinder: ignore */ + dp.unpackString(tmp_str, "Filename"); + mFilename = tmp_str; + U8 delete_flag; + dp.unpackU8(delete_flag, "Delete"); + mDeleteOnCompletion = delete_flag; + + llinfos << "Unpacked filename: " << mFilename << llendl; + return TRUE; +} |