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Diffstat (limited to 'logic/updater/DownloadUpdateTask.h')
| -rw-r--r-- | logic/updater/DownloadUpdateTask.h | 220 |
1 files changed, 0 insertions, 220 deletions
diff --git a/logic/updater/DownloadUpdateTask.h b/logic/updater/DownloadUpdateTask.h deleted file mode 100644 index 9a994687..00000000 --- a/logic/updater/DownloadUpdateTask.h +++ /dev/null @@ -1,220 +0,0 @@ -/* Copyright 2013-2015 MultiMC Contributors - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -#pragma once - -#include "logic/tasks/Task.h" -#include "logic/net/NetJob.h" - -/*! - * The DownloadUpdateTask is a task that takes a given version ID and repository URL, - * downloads that version's files from the repository, and prepares to install them. - */ -class DownloadUpdateTask : public Task -{ - Q_OBJECT - -public: - explicit DownloadUpdateTask(QString rootPath, QString repoUrl, int versionId, QObject* parent=0); - - /*! - * Gets the directory that contains the update files. - */ - QString updateFilesDir(); - -public: - - // TODO: We should probably put these data structures into a separate header... - - /*! - * Struct that describes an entry in a VersionFileEntry's `Sources` list. - */ - struct FileSource - { - FileSource(QString type, QString url, QString compression="") - { - this->type = type; - this->url = url; - this->compressionType = compression; - } - - QString type; - QString url; - QString compressionType; - }; - typedef QList<FileSource> FileSourceList; - - /*! - * Structure that describes an entry in a GoUpdate version's `Files` list. - */ - struct VersionFileEntry - { - QString path; - int mode; - FileSourceList sources; - QString md5; - }; - typedef QList<VersionFileEntry> VersionFileList; - - /*! - * Structure that describes an operation to perform when installing updates. - */ - struct UpdateOperation - { - static UpdateOperation CopyOp(QString fsource, QString fdest, int fmode=0644) { return UpdateOperation{OP_COPY, fsource, fdest, fmode}; } - static UpdateOperation MoveOp(QString fsource, QString fdest, int fmode=0644) { return UpdateOperation{OP_MOVE, fsource, fdest, fmode}; } - static UpdateOperation DeleteOp(QString file) { return UpdateOperation{OP_DELETE, file, "", 0644}; } - static UpdateOperation ChmodOp(QString file, int fmode) { return UpdateOperation{OP_CHMOD, file, "", fmode}; } - - //! Specifies the type of operation that this is. - enum Type - { - OP_COPY, - OP_DELETE, - OP_MOVE, - OP_CHMOD, - } type; - - //! The file to operate on. If this is a DELETE or CHMOD operation, this is the file that will be modified. - QString file; - - //! The destination file. If this is a DELETE or CHMOD operation, this field will be ignored. - QString dest; - - //! The mode to change the source file to. Ignored if this isn't a CHMOD operation. - int mode; - - // Yeah yeah, polymorphism blah blah inheritance, blah blah object oriented. I'm lazy, OK? - }; - typedef QList<UpdateOperation> UpdateOperationList; - -protected: - friend class DownloadUpdateTaskTest; - - - /*! - * Used for arguments to parseVersionInfo and friends to specify which version info file to parse. - */ - enum VersionInfoFileEnum { NEW_VERSION, CURRENT_VERSION }; - - - //! Entry point for tasks. - virtual void executeTask(); - - /*! - * Attempts to find the version ID and repository URL for the current version. - * The function will look up the repository URL in the UpdateChecker's channel list. - * If the repository URL can't be found, this function will return false. - */ - virtual void findCurrentVersionInfo(); - - /*! - * This runs after we've tried loading the channel list. - * If the channel list doesn't need to be loaded, this will be called immediately. - * If the channel list does need to be loaded, this will be called when it's done. - */ - void processChannels(); - - /*! - * Downloads the version info files from the repository. - * The files for both the current build, and the build that we're updating to need to be downloaded. - * If the current version's info file can't be found, MultiMC will not delete files that - * were removed between versions. It will still replace files that have changed, however. - * Note that although the repository URL for the current version is not given to the update task, - * the task will attempt to look it up in the UpdateChecker's channel list. - * If an error occurs here, the function will call emitFailed and return false. - */ - virtual void loadVersionInfo(); - - /*! - * This function is called when version information is finished downloading. - * This handles parsing the JSON downloaded by the version info network job and then calls processFileLists. - * Note that this function will sometimes be called even if the version info download emits failed. If - * we couldn't download the current version's info file, we can still update. This will be called even if the - * current version's info file fails to download, as long as the new version's info file succeeded. - */ - virtual void parseDownloadedVersionInfo(); - - /*! - * Loads the file list from the given version info JSON object into the given list. - */ - virtual bool parseVersionInfo(const QByteArray &data, VersionFileList* list, QString *error); - - /*! - * Takes a list of file entries for the current version's files and the new version's files - * and populates the downloadList and operationList with information about how to download and install the update. - */ - virtual bool processFileLists(NetJob *job, const VersionFileList ¤tVersion, const VersionFileList &newVersion, UpdateOperationList &ops); - - /*! - * Calls \see processFileLists to populate the \see m_operationList and a NetJob, and then executes - * the NetJob to fetch all needed files - */ - virtual void processFileLists(); - - /*! - * Takes the operations list and writes an install script for the updater to the update files directory. - */ - virtual bool writeInstallScript(UpdateOperationList& opsList, QString scriptFile); - - UpdateOperationList m_operationList; - - VersionFileList m_nVersionFileList; - VersionFileList m_cVersionFileList; - - //! Network job for downloading version info files. - NetJobPtr m_vinfoNetJob; - - //! Network job for downloading update files. - NetJobPtr m_filesNetJob; - - // Version ID and repo URL for the new version. - int m_nVersionId; - QString m_nRepoUrl; - - // Version ID and repo URL for the currently installed version. - int m_cVersionId; - QString m_cRepoUrl; - - // path to the root of the application - QString m_rootPath; - - /*! - * Temporary directory to store update files in. - * This will be set to not auto delete. Task will fail if this fails to be created. - */ - QTemporaryDir m_updateFilesDir; - - /*! - * Filters paths - * This fixes destination paths for OSX. - * The updater runs in MultiMC.app/Contents/MacOs by default - * The destination paths are such as this: MultiMC.app/blah/blah - * - * Therefore we chop off the 'MultiMC.app' prefix - * - * Returns false if the path couldn't be fixed (is invalid) - */ - static bool fixPathForOSX(QString &path); - -protected slots: - void vinfoDownloadFinished(); - void vinfoDownloadFailed(); - - void fileDownloadFinished(); - void fileDownloadFailed(); - void fileDownloadProgressChanged(qint64 current, qint64 total); -}; - |