diff options
Diffstat (limited to 'indra/llcommon/lllivefile.cpp')
| -rwxr-xr-x[-rw-r--r--] | indra/llcommon/lllivefile.cpp | 121 |
1 files changed, 61 insertions, 60 deletions
diff --git a/indra/llcommon/lllivefile.cpp b/indra/llcommon/lllivefile.cpp index 5ca90d82ba..ea485c2d86 100644..100755 --- a/indra/llcommon/lllivefile.cpp +++ b/indra/llcommon/lllivefile.cpp @@ -1,31 +1,25 @@ /** * @file lllivefile.cpp * - * $LicenseInfo:firstyear=2006&license=viewergpl$ - * - * Copyright (c) 2006-2009, Linden Research, Inc. - * + * $LicenseInfo:firstyear=2006&license=viewerlgpl$ * 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 + * Copyright (C) 2010, Linden Research, Inc. * - * 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 + * 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. * - * 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. + * 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. * - * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO - * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY, - * COMPLETENESS OR PERFORMANCE. + * 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 * $/LicenseInfo$ */ @@ -57,6 +51,8 @@ public: bool mLastExists; LLEventTimer* mEventTimer; +private: + LOG_CLASS(LLLiveFile); }; LLLiveFile::Impl::Impl(const std::string& filename, const F32 refresh_period) @@ -89,46 +85,51 @@ LLLiveFile::~LLLiveFile() bool LLLiveFile::Impl::check() { - if (!mForceCheck && mRefreshTimer.getElapsedTimeF32() < mRefreshPeriod) - { - // Skip the check if not enough time has elapsed and we're not - // forcing a check of the file - return false; - } - mForceCheck = false; - mRefreshTimer.reset(); - - // Stat the file to see if it exists and when it was last modified. - llstat stat_data; - int res = LLFile::stat(mFilename, &stat_data); - - if (res) - { - // Couldn't stat the file, that means it doesn't exist or is - // broken somehow. Clear flags and return. - if (mLastExists) - { - mLastExists = false; - return true; // no longer existing is a change! - } - return false; - } - - // The file exists, decide if we want to load it. - if (mLastExists) + bool detected_change = false; + // Skip the check if not enough time has elapsed and we're not + // forcing a check of the file + if (mForceCheck || mRefreshTimer.getElapsedTimeF32() >= mRefreshPeriod) { - // The file existed last time, don't read it if it hasn't changed since - // last time. - if (stat_data.st_mtime <= mLastModTime) - { - return false; - } - } - - // We want to read the file. Update status info for the file. - mLastExists = true; - mLastStatTime = stat_data.st_mtime; - return true; + mForceCheck = false; // force only forces one check + mRefreshTimer.reset(); // don't check again until mRefreshPeriod has passed + + // Stat the file to see if it exists and when it was last modified. + llstat stat_data; + if (LLFile::stat(mFilename, &stat_data)) + { + // Couldn't stat the file, that means it doesn't exist or is + // broken somehow. + if (mLastExists) + { + mLastExists = false; + detected_change = true; // no longer existing is a change! + LL_DEBUGS() << "detected deleted file '" << mFilename << "'" << LL_ENDL; + } + } + else + { + // The file exists + if ( ! mLastExists ) + { + // last check, it did not exist - that counts as a change + LL_DEBUGS() << "detected created file '" << mFilename << "'" << LL_ENDL; + detected_change = true; + } + else if ( stat_data.st_mtime > mLastModTime ) + { + // file modification time is newer than last check + LL_DEBUGS() << "detected updated file '" << mFilename << "'" << LL_ENDL; + detected_change = true; + } + mLastExists = true; + mLastStatTime = stat_data.st_mtime; + } + } + if (detected_change) + { + LL_INFOS() << "detected file change '" << mFilename << "'" << LL_ENDL; + } + return detected_change; } void LLLiveFile::Impl::changed() |