diff options
Diffstat (limited to 'indra/viewer_components/updater/llupdaterservice.cpp')
| -rw-r--r-- | indra/viewer_components/updater/llupdaterservice.cpp | 623 |
1 files changed, 623 insertions, 0 deletions
diff --git a/indra/viewer_components/updater/llupdaterservice.cpp b/indra/viewer_components/updater/llupdaterservice.cpp new file mode 100644 index 0000000000..ea242f45cd --- /dev/null +++ b/indra/viewer_components/updater/llupdaterservice.cpp @@ -0,0 +1,623 @@ +/** + * @file llupdaterservice.cpp + * + * $LicenseInfo:firstyear=2010&license=viewerlgpl$ + * 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 "llupdaterservice.h" + +#include "llupdatedownloader.h" +#include "llevents.h" +#include "lltimer.h" +#include "llupdatechecker.h" +#include "llupdateinstaller.h" +#include "llversionviewer.h" + +#include <boost/scoped_ptr.hpp> +#include <boost/weak_ptr.hpp> +#include "lldir.h" +#include "llsdserialize.h" +#include "llfile.h" + +#if LL_WINDOWS +#pragma warning (disable : 4355) // 'this' used in initializer list: yes, intentionally +#endif + + +namespace +{ + boost::weak_ptr<LLUpdaterServiceImpl> gUpdater; + + const std::string UPDATE_MARKER_FILENAME("SecondLifeUpdateReady.xml"); + std::string update_marker_path() + { + return gDirUtilp->getExpandedFilename(LL_PATH_LOGS, + UPDATE_MARKER_FILENAME); + } + + std::string install_script_path(void) + { +#ifdef LL_WINDOWS + std::string scriptFile = "update_install.bat"; +#else + std::string scriptFile = "update_install"; +#endif + return gDirUtilp->getExpandedFilename(LL_PATH_EXECUTABLE, scriptFile); + } + + LLInstallScriptMode install_script_mode(void) + { +#ifdef LL_WINDOWS + return LL_COPY_INSTALL_SCRIPT_TO_TEMP; +#else + return LL_RUN_INSTALL_SCRIPT_IN_PLACE; +#endif + }; + +} + +class LLUpdaterServiceImpl : + public LLUpdateChecker::Client, + public LLUpdateDownloader::Client +{ + static const std::string sListenerName; + + std::string mProtocolVersion; + std::string mUrl; + std::string mPath; + std::string mChannel; + std::string mVersion; + + unsigned int mCheckPeriod; + bool mIsChecking; + bool mIsDownloading; + + LLUpdateChecker mUpdateChecker; + LLUpdateDownloader mUpdateDownloader; + LLTimer mTimer; + + LLUpdaterService::app_exit_callback_t mAppExitCallback; + + LLUpdaterService::eUpdaterState mState; + + LOG_CLASS(LLUpdaterServiceImpl); + +public: + LLUpdaterServiceImpl(); + virtual ~LLUpdaterServiceImpl(); + + void initialize(const std::string& protocol_version, + const std::string& url, + const std::string& path, + const std::string& channel, + const std::string& version); + + void setCheckPeriod(unsigned int seconds); + void setBandwidthLimit(U64 bytesPerSecond); + + void startChecking(bool install_if_ready); + void stopChecking(); + bool isChecking(); + LLUpdaterService::eUpdaterState getState(); + + void setAppExitCallback(LLUpdaterService::app_exit_callback_t aecb) { mAppExitCallback = aecb;} + std::string updatedVersion(void); + + bool checkForInstall(bool launchInstaller); // Test if a local install is ready. + bool checkForResume(); // Test for resumeable d/l. + + // LLUpdateChecker::Client: + virtual void error(std::string const & message); + virtual void optionalUpdate(std::string const & newVersion, + LLURI const & uri, + std::string const & hash); + virtual void requiredUpdate(std::string const & newVersion, + LLURI const & uri, + std::string const & hash); + virtual void upToDate(void); + + // LLUpdateDownloader::Client + void downloadComplete(LLSD const & data); + void downloadError(std::string const & message); + + bool onMainLoop(LLSD const & event); + +private: + std::string mNewVersion; + + void restartTimer(unsigned int seconds); + void setState(LLUpdaterService::eUpdaterState state); + void stopTimer(); +}; + +const std::string LLUpdaterServiceImpl::sListenerName = "LLUpdaterServiceImpl"; + +LLUpdaterServiceImpl::LLUpdaterServiceImpl() : + mIsChecking(false), + mIsDownloading(false), + mCheckPeriod(0), + mUpdateChecker(*this), + mUpdateDownloader(*this), + mState(LLUpdaterService::INITIAL) +{ +} + +LLUpdaterServiceImpl::~LLUpdaterServiceImpl() +{ + LL_INFOS("UpdaterService") << "shutting down updater service" << LL_ENDL; + LLEventPumps::instance().obtain("mainloop").stopListening(sListenerName); +} + +void LLUpdaterServiceImpl::initialize(const std::string& protocol_version, + const std::string& url, + const std::string& path, + const std::string& channel, + const std::string& version) +{ + if(mIsChecking || mIsDownloading) + { + throw LLUpdaterService::UsageError("LLUpdaterService::initialize call " + "while updater is running."); + } + + mProtocolVersion = protocol_version; + mUrl = url; + mPath = path; + mChannel = channel; + mVersion = version; +} + +void LLUpdaterServiceImpl::setCheckPeriod(unsigned int seconds) +{ + mCheckPeriod = seconds; +} + +void LLUpdaterServiceImpl::setBandwidthLimit(U64 bytesPerSecond) +{ + mUpdateDownloader.setBandwidthLimit(bytesPerSecond); +} + +void LLUpdaterServiceImpl::startChecking(bool install_if_ready) +{ + if(mUrl.empty() || mChannel.empty() || mVersion.empty()) + { + throw LLUpdaterService::UsageError("Set params before call to " + "LLUpdaterService::startCheck()."); + } + + mIsChecking = true; + + // Check to see if an install is ready. + bool has_install = checkForInstall(install_if_ready); + if(!has_install) + { + checkForResume(); // will set mIsDownloading to true if resuming + + if(!mIsDownloading) + { + setState(LLUpdaterService::CHECKING_FOR_UPDATE); + + // Checking can only occur during the mainloop. + // reset the timer to 0 so that the next mainloop event + // triggers a check; + restartTimer(0); + } + else + { + setState(LLUpdaterService::DOWNLOADING); + } + } +} + +void LLUpdaterServiceImpl::stopChecking() +{ + if(mIsChecking) + { + mIsChecking = false; + stopTimer(); + } + + if(mIsDownloading) + { + mUpdateDownloader.cancel(); + mIsDownloading = false; + } + + setState(LLUpdaterService::TERMINAL); +} + +bool LLUpdaterServiceImpl::isChecking() +{ + return mIsChecking; +} + +LLUpdaterService::eUpdaterState LLUpdaterServiceImpl::getState() +{ + return mState; +} + +std::string LLUpdaterServiceImpl::updatedVersion(void) +{ + return mNewVersion; +} + +bool LLUpdaterServiceImpl::checkForInstall(bool launchInstaller) +{ + bool foundInstall = false; // return true if install is found. + + llifstream update_marker(update_marker_path(), + std::ios::in | std::ios::binary); + + if(update_marker.is_open()) + { + // Found an update info - now lets see if its valid. + LLSD update_info; + LLSDSerialize::fromXMLDocument(update_info, update_marker); + update_marker.close(); + + // Get the path to the installer file. + LLSD path = update_info.get("path"); + if(update_info["current_version"].asString() != ll_get_version()) + { + // This viewer is not the same version as the one that downloaded + // the update. Do not install this update. + if(!path.asString().empty()) + { + llinfos << "ignoring update dowloaded by different client version" << llendl; + LLFile::remove(path.asString()); + LLFile::remove(update_marker_path()); + } + else + { + ; // Nothing to clean up. + } + + foundInstall = false; + } + else if(path.isDefined() && !path.asString().empty()) + { + if(launchInstaller) + { + setState(LLUpdaterService::INSTALLING); + + LLFile::remove(update_marker_path()); + + int result = ll_install_update(install_script_path(), + update_info["path"].asString(), + update_info["required"].asBoolean(), + install_script_mode()); + + if((result == 0) && mAppExitCallback) + { + mAppExitCallback(); + } else if(result != 0) { + llwarns << "failed to run update install script" << LL_ENDL; + } else { + ; // No op. + } + } + + foundInstall = true; + } + } + return foundInstall; +} + +bool LLUpdaterServiceImpl::checkForResume() +{ + bool result = false; + std::string download_marker_path = mUpdateDownloader.downloadMarkerPath(); + if(LLFile::isfile(download_marker_path)) + { + llifstream download_marker_stream(download_marker_path, + std::ios::in | std::ios::binary); + if(download_marker_stream.is_open()) + { + LLSD download_info; + LLSDSerialize::fromXMLDocument(download_info, download_marker_stream); + download_marker_stream.close(); + if(download_info["current_version"].asString() == ll_get_version()) + { + mIsDownloading = true; + mNewVersion = download_info["update_version"].asString(); + mUpdateDownloader.resume(); + result = true; + } + else + { + // The viewer that started this download is not the same as this viewer; ignore. + llinfos << "ignoring partial download from different viewer version" << llendl; + std::string path = download_info["path"].asString(); + if(!path.empty()) LLFile::remove(path); + LLFile::remove(download_marker_path); + } + } + } + return result; +} + +void LLUpdaterServiceImpl::error(std::string const & message) +{ + if(mIsChecking) + { + setState(LLUpdaterService::TEMPORARY_ERROR); + restartTimer(mCheckPeriod); + } +} + +void LLUpdaterServiceImpl::optionalUpdate(std::string const & newVersion, + LLURI const & uri, + std::string const & hash) +{ + stopTimer(); + mNewVersion = newVersion; + mIsDownloading = true; + mUpdateDownloader.download(uri, hash, newVersion, false); + + setState(LLUpdaterService::DOWNLOADING); +} + +void LLUpdaterServiceImpl::requiredUpdate(std::string const & newVersion, + LLURI const & uri, + std::string const & hash) +{ + stopTimer(); + mNewVersion = newVersion; + mIsDownloading = true; + mUpdateDownloader.download(uri, hash, newVersion, true); + + setState(LLUpdaterService::DOWNLOADING); +} + +void LLUpdaterServiceImpl::upToDate(void) +{ + if(mIsChecking) + { + restartTimer(mCheckPeriod); + } + + setState(LLUpdaterService::UP_TO_DATE); +} + +void LLUpdaterServiceImpl::downloadComplete(LLSD const & data) +{ + mIsDownloading = false; + + // Save out the download data to the SecondLifeUpdateReady + // marker file. + llofstream update_marker(update_marker_path()); + LLSDSerialize::toPrettyXML(data, update_marker); + + LLSD event; + event["pump"] = LLUpdaterService::pumpName(); + LLSD payload; + payload["type"] = LLSD(LLUpdaterService::DOWNLOAD_COMPLETE); + payload["required"] = data["required"]; + payload["version"] = mNewVersion; + event["payload"] = payload; + LLEventPumps::instance().obtain("mainlooprepeater").post(event); + + setState(LLUpdaterService::TERMINAL); +} + +void LLUpdaterServiceImpl::downloadError(std::string const & message) +{ + LL_INFOS("UpdaterService") << "Error downloading: " << message << LL_ENDL; + + mIsDownloading = false; + + // Restart the timer on error + if(mIsChecking) + { + restartTimer(mCheckPeriod); + } + + LLSD event; + event["pump"] = LLUpdaterService::pumpName(); + LLSD payload; + payload["type"] = LLSD(LLUpdaterService::DOWNLOAD_ERROR); + payload["message"] = message; + event["payload"] = payload; + LLEventPumps::instance().obtain("mainlooprepeater").post(event); + + setState(LLUpdaterService::FAILURE); +} + +void LLUpdaterServiceImpl::restartTimer(unsigned int seconds) +{ + LL_INFOS("UpdaterService") << "will check for update again in " << + seconds << " seconds" << LL_ENDL; + mTimer.start(); + mTimer.setTimerExpirySec(seconds); + LLEventPumps::instance().obtain("mainloop").listen( + sListenerName, boost::bind(&LLUpdaterServiceImpl::onMainLoop, this, _1)); +} + +void LLUpdaterServiceImpl::setState(LLUpdaterService::eUpdaterState state) +{ + if(state != mState) + { + mState = state; + + LLSD event; + event["pump"] = LLUpdaterService::pumpName(); + LLSD payload; + payload["type"] = LLSD(LLUpdaterService::STATE_CHANGE); + payload["state"] = state; + event["payload"] = payload; + LLEventPumps::instance().obtain("mainlooprepeater").post(event); + + LL_INFOS("UpdaterService") << "setting state to " << state << LL_ENDL; + } + else + { + ; // State unchanged; noop. + } +} + +void LLUpdaterServiceImpl::stopTimer() +{ + mTimer.stop(); + LLEventPumps::instance().obtain("mainloop").stopListening(sListenerName); +} + +bool LLUpdaterServiceImpl::onMainLoop(LLSD const & event) +{ + if(mTimer.getStarted() && mTimer.hasExpired()) + { + stopTimer(); + + // Check for failed install. + if(LLFile::isfile(ll_install_failed_marker_path())) + { + int requiredValue = 0; + { + llifstream stream(ll_install_failed_marker_path()); + stream >> requiredValue; + if(stream.fail()) requiredValue = 0; + } + // TODO: notify the user. + llinfos << "found marker " << ll_install_failed_marker_path() << llendl; + llinfos << "last install attempt failed" << llendl; + LLFile::remove(ll_install_failed_marker_path()); + + LLSD event; + event["type"] = LLSD(LLUpdaterService::INSTALL_ERROR); + event["required"] = LLSD(requiredValue); + LLEventPumps::instance().obtain(LLUpdaterService::pumpName()).post(event); + + setState(LLUpdaterService::TERMINAL); + } + else + { + mUpdateChecker.check(mProtocolVersion, mUrl, mPath, mChannel, mVersion); + setState(LLUpdaterService::CHECKING_FOR_UPDATE); + } + } + else + { + // Keep on waiting... + } + + return false; +} + + +//----------------------------------------------------------------------- +// Facade interface + +std::string const & LLUpdaterService::pumpName(void) +{ + static std::string name("updater_service"); + return name; +} + +bool LLUpdaterService::updateReadyToInstall(void) +{ + return LLFile::isfile(update_marker_path()); +} + +LLUpdaterService::LLUpdaterService() +{ + if(gUpdater.expired()) + { + mImpl = + boost::shared_ptr<LLUpdaterServiceImpl>(new LLUpdaterServiceImpl()); + gUpdater = mImpl; + } + else + { + mImpl = gUpdater.lock(); + } +} + +LLUpdaterService::~LLUpdaterService() +{ +} + +void LLUpdaterService::initialize(const std::string& protocol_version, + const std::string& url, + const std::string& path, + const std::string& channel, + const std::string& version) +{ + mImpl->initialize(protocol_version, url, path, channel, version); +} + +void LLUpdaterService::setCheckPeriod(unsigned int seconds) +{ + mImpl->setCheckPeriod(seconds); +} + +void LLUpdaterService::setBandwidthLimit(U64 bytesPerSecond) +{ + mImpl->setBandwidthLimit(bytesPerSecond); +} + +void LLUpdaterService::startChecking(bool install_if_ready) +{ + mImpl->startChecking(install_if_ready); +} + +void LLUpdaterService::stopChecking() +{ + mImpl->stopChecking(); +} + +bool LLUpdaterService::isChecking() +{ + return mImpl->isChecking(); +} + +LLUpdaterService::eUpdaterState LLUpdaterService::getState() +{ + return mImpl->getState(); +} + +void LLUpdaterService::setImplAppExitCallback(LLUpdaterService::app_exit_callback_t aecb) +{ + return mImpl->setAppExitCallback(aecb); +} + +std::string LLUpdaterService::updatedVersion(void) +{ + return mImpl->updatedVersion(); +} + + +std::string const & ll_get_version(void) { + static std::string version(""); + + if (version.empty()) { + std::ostringstream stream; + stream << LL_VERSION_MAJOR << "." + << LL_VERSION_MINOR << "." + << LL_VERSION_PATCH << "." + << LL_VERSION_BUILD; + version = stream.str(); + } + + return version; +} + |