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Diffstat (limited to 'indra/llfilesystem/lllfsthread.cpp')
| -rw-r--r-- | indra/llfilesystem/lllfsthread.cpp | 245 |
1 files changed, 0 insertions, 245 deletions
diff --git a/indra/llfilesystem/lllfsthread.cpp b/indra/llfilesystem/lllfsthread.cpp deleted file mode 100644 index be8e83a56f..0000000000 --- a/indra/llfilesystem/lllfsthread.cpp +++ /dev/null @@ -1,245 +0,0 @@ -/** - * @file lllfsthread.cpp - * @brief LLLFSThread base class - * - * $LicenseInfo:firstyear=2001&license=viewerlgpl$ - * Second Life Viewer Source Code - * Copyright (C) 2010, Linden Research, Inc. - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; - * version 2.1 of the License only. - * - * This library 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 - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - * - * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA - * $/LicenseInfo$ - */ - -#include "linden_common.h" -#include "lllfsthread.h" -#include "llstl.h" -#include "llapr.h" - -//============================================================================ - -/*static*/ LLLFSThread* LLLFSThread::sLocal = NULL; - -//============================================================================ -// Run on MAIN thread -//static -void LLLFSThread::initClass(bool local_is_threaded) -{ - llassert(sLocal == NULL); - sLocal = new LLLFSThread(local_is_threaded); -} - -//static -S32 LLLFSThread::updateClass(U32 ms_elapsed) -{ - sLocal->update((F32)ms_elapsed); - return sLocal->getPending(); -} - -//static -void LLLFSThread::cleanupClass() -{ - llassert(sLocal != NULL); - sLocal->setQuitting(); - while (sLocal->getPending()) - { - sLocal->update(0); - } - delete sLocal; - sLocal = NULL; -} - -//---------------------------------------------------------------------------- - -LLLFSThread::LLLFSThread(bool threaded) : - LLQueuedThread("LFS", threaded), - mPriorityCounter(PRIORITY_LOWBITS) -{ - if(!mLocalAPRFilePoolp) - { - mLocalAPRFilePoolp = new LLVolatileAPRPool() ; - } -} - -LLLFSThread::~LLLFSThread() -{ - // mLocalAPRFilePoolp cleanup in LLThread - // ~LLQueuedThread() will be called here -} - -//---------------------------------------------------------------------------- - -LLLFSThread::handle_t LLLFSThread::read(const std::string& filename, /* Flawfinder: ignore */ - U8* buffer, S32 offset, S32 numbytes, - Responder* responder, U32 priority) -{ - handle_t handle = generateHandle(); - - if (priority == 0) priority = PRIORITY_NORMAL | priorityCounter(); - else if (priority < PRIORITY_LOW) priority |= PRIORITY_LOW; // All reads are at least PRIORITY_LOW - - Request* req = new Request(this, handle, priority, - FILE_READ, filename, - buffer, offset, numbytes, - responder); - - bool res = addRequest(req); - if (!res) - { - LL_ERRS() << "LLLFSThread::read called after LLLFSThread::cleanupClass()" << LL_ENDL; - } - - return handle; -} - -LLLFSThread::handle_t LLLFSThread::write(const std::string& filename, - U8* buffer, S32 offset, S32 numbytes, - Responder* responder, U32 priority) -{ - handle_t handle = generateHandle(); - - if (priority == 0) priority = PRIORITY_LOW | priorityCounter(); - - Request* req = new Request(this, handle, priority, - FILE_WRITE, filename, - buffer, offset, numbytes, - responder); - - bool res = addRequest(req); - if (!res) - { - LL_ERRS() << "LLLFSThread::read called after LLLFSThread::cleanupClass()" << LL_ENDL; - } - - return handle; -} - -//============================================================================ - -LLLFSThread::Request::Request(LLLFSThread* thread, - handle_t handle, U32 priority, - operation_t op, const std::string& filename, - U8* buffer, S32 offset, S32 numbytes, - Responder* responder) : - QueuedRequest(handle, priority, FLAG_AUTO_COMPLETE), - mThread(thread), - mOperation(op), - mFileName(filename), - mBuffer(buffer), - mOffset(offset), - mBytes(numbytes), - mBytesRead(0), - mResponder(responder) -{ - if (numbytes <= 0) - { - LL_WARNS() << "LLLFSThread: Request with numbytes = " << numbytes << LL_ENDL; - } -} - -LLLFSThread::Request::~Request() -{ -} - -// virtual, called from own thread -void LLLFSThread::Request::finishRequest(bool completed) -{ - if (mResponder.notNull()) - { - mResponder->completed(completed ? mBytesRead : 0); - mResponder = NULL; - } -} - -void LLLFSThread::Request::deleteRequest() -{ - if (getStatus() == STATUS_QUEUED) - { - LL_ERRS() << "Attempt to delete a queued LLLFSThread::Request!" << LL_ENDL; - } - if (mResponder.notNull()) - { - mResponder->completed(0); - mResponder = NULL; - } - LLQueuedThread::QueuedRequest::deleteRequest(); -} - -bool LLLFSThread::Request::processRequest() -{ - bool complete = false; - if (mOperation == FILE_READ) - { - llassert(mOffset >= 0); - LLAPRFile infile ; // auto-closes - infile.open(mFileName, LL_APR_RB, mThread->getLocalAPRFilePool()); - if (!infile.getFileHandle()) - { - LL_WARNS() << "LLLFS: Unable to read file: " << mFileName << LL_ENDL; - mBytesRead = 0; // fail - return true; - } - S32 off; - if (mOffset < 0) - off = infile.seek(APR_END, 0); - else - off = infile.seek(APR_SET, mOffset); - llassert_always(off >= 0); - mBytesRead = infile.read(mBuffer, mBytes ); - complete = true; -// LL_INFOS() << "LLLFSThread::READ:" << mFileName << " Bytes: " << mBytesRead << LL_ENDL; - } - else if (mOperation == FILE_WRITE) - { - apr_int32_t flags = APR_CREATE|APR_WRITE|APR_BINARY; - if (mOffset < 0) - flags |= APR_APPEND; - LLAPRFile outfile ; // auto-closes - outfile.open(mFileName, flags, mThread->getLocalAPRFilePool()); - if (!outfile.getFileHandle()) - { - LL_WARNS() << "LLLFS: Unable to write file: " << mFileName << LL_ENDL; - mBytesRead = 0; // fail - return true; - } - if (mOffset >= 0) - { - S32 seek = outfile.seek(APR_SET, mOffset); - if (seek < 0) - { - LL_WARNS() << "LLLFS: Unable to write file (seek failed): " << mFileName << LL_ENDL; - mBytesRead = 0; // fail - return true; - } - } - mBytesRead = outfile.write(mBuffer, mBytes ); - complete = true; -// LL_INFOS() << "LLLFSThread::WRITE:" << mFileName << " Bytes: " << mBytesRead << "/" << mBytes << " Offset:" << mOffset << LL_ENDL; - } - else - { - LL_ERRS() << "LLLFSThread::unknown operation: " << (S32)mOperation << LL_ENDL; - } - return complete; -} - -//============================================================================ - -LLLFSThread::Responder::~Responder() -{ -} - -//============================================================================ |