pollymc/api/logic/updater/GoUpdate.h
Petr Mrázek 69be23c5f6 GH-1726 better failure detection for updates
Instead of just checking if the new version started, make sure
it is able to write its IPC key to a file and then use the key
to connect to the process.
2016-11-19 22:11:45 +01:00

136 lines
3.2 KiB
C++

#pragma once
#include <QByteArray>
#include <net/NetJob.h>
#include "multimc_logic_export.h"
namespace GoUpdate
{
/**
* A temporary object exchanged between updated checker and the actual update task
*/
struct MULTIMC_LOGIC_EXPORT Status
{
bool updateAvailable = false;
int newVersionId = -1;
QString newRepoUrl;
int currentVersionId = -1;
QString currentRepoUrl;
// path to the root of the application
QString rootPath;
};
/**
* Struct that describes an entry in a VersionFileEntry's `Sources` list.
*/
struct MULTIMC_LOGIC_EXPORT FileSource
{
FileSource(QString type, QString url, QString compression="")
{
this->type = type;
this->url = url;
this->compressionType = compression;
}
bool operator==(const FileSource &f2) const
{
return type == f2.type && url == f2.url && compressionType == f2.compressionType;
}
QString type;
QString url;
QString compressionType;
};
typedef QList<FileSource> FileSourceList;
/**
* Structure that describes an entry in a GoUpdate version's `Files` list.
*/
struct MULTIMC_LOGIC_EXPORT VersionFileEntry
{
QString path;
int mode;
FileSourceList sources;
QString md5;
bool operator==(const VersionFileEntry &v2) const
{
return path == v2.path && mode == v2.mode && sources == v2.sources && md5 == v2.md5;
}
};
typedef QList<VersionFileEntry> VersionFileList;
/**
* Structure that describes an operation to perform when installing updates.
*/
struct MULTIMC_LOGIC_EXPORT Operation
{
static Operation CopyOp(QString from, QString to, int fmode=0644)
{
return Operation{OP_REPLACE, from, to, fmode};
}
static Operation DeleteOp(QString file)
{
return Operation{OP_DELETE, QString(), file, 0644};
}
// FIXME: for some types, some of the other fields are irrelevant!
bool operator==(const Operation &u2) const
{
return type == u2.type &&
source == u2.source &&
destination == u2.destination &&
destinationMode == u2.destinationMode;
}
//! Specifies the type of operation that this is.
enum Type
{
OP_REPLACE,
OP_DELETE,
} type;
//! The source file, if any
QString source;
//! The destination file.
QString destination;
//! The mode to change the destination file to.
int destinationMode;
};
typedef QList<Operation> OperationList;
/**
* Loads the file list from the given version info JSON object into the given list.
*/
bool MULTIMC_LOGIC_EXPORT 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.
*/
bool MULTIMC_LOGIC_EXPORT processFileLists
(
const VersionFileList &currentVersion,
const VersionFileList &newVersion,
const QString &rootPath,
const QString &tempPath,
NetJobPtr job,
OperationList &ops
);
/*!
* This fixes destination paths for OSX - removes 'MultiMC.app' prefix
* The updater runs in MultiMC.app/Contents/MacOs by default
* The destination paths are such as this: MultiMC.app/blah/blah
*
* @return false if the path couldn't be fixed (is invalid)
*/
bool MULTIMC_LOGIC_EXPORT fixPathForOSX(QString &path);
}
Q_DECLARE_METATYPE(GoUpdate::Status);