haiku/headers/private/package/DaemonClient.h

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/*
* Copyright 2013, Haiku, Inc. All Rights Reserved.
* Distributed under the terms of the MIT License.
*
* Authors:
* Ingo Weinhold <ingo_weinhold@gmx.de>
*/
#ifndef _PACKAGE__PRIVATE__DAEMON_CLIENT_H_
#define _PACKAGE__PRIVATE__DAEMON_CLIENT_H_
#include <Messenger.h>
#include <package/PackageDefs.h>
#include <String.h>
#include <package/DaemonDefs.h>
class BDirectory;
namespace BPackageKit {
package daemon: Rework error and issue propagation to client * BDaemonClient: Move inner class BCommitTransactionResult to top level and make it public. * BCommitTransactionResult: - Add a whole bunch of specific error code enum values. Such an error code is now the primary error, as opposed to before where we would mix status_t and enum value errors. There's a systemError property of type status_t which may provide additional information, though (depending on the primary error type). - Remove the errorMessage property. Due to mapping all errors to the specific error codes this is no longer necessary. Mixing such a message with another error description is also not very helpful when it comes to localization (still not supported, though). - Add several properties (paths, strings, error codes) that serve as arguments to the primary error and are used by FullErrorMessage(). - Add issues property, a list of instances of new class BTransactionIssue. Those describe non-critical issues (e.g. failed update of a settings file) that occurred in the process of committing the transaction. Those issues should be presented to the user by the package management program. * Exception: Adjust to transport the BCommitTransactionResult properties. * CommitTransactionHandler, FsTransactions, Root, Volume: Adjust to BCommitTransactionResult/Exception changes. * CommitTransactionHandler: Now requires a BCommitTransactionResult to which it adds the issues it encounters. The reply BMessage is no longer needed, though. * Volume: Refactor common code from the three methods that use CommitTransactionHandler into new method _CommitTransaction.
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class BCommitTransactionResult;
class BInstallationLocationInfo;
class BPackageInfoSet;
namespace BPrivate {
class BActivationTransaction;
class BDaemonClient {
public:
BDaemonClient();
~BDaemonClient();
status_t GetInstallationLocationInfo(
BPackageInstallationLocation location,
BInstallationLocationInfo& _info);
status_t CommitTransaction(
const BActivationTransaction& transaction,
BCommitTransactionResult& _result);
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// B_OK only means _result is initialized,
// not the success of committing the
// transaction
status_t CreateTransaction(
BPackageInstallationLocation location,
BActivationTransaction& _transaction,
BDirectory& _transactionDirectory);
private:
status_t _InitMessenger();
status_t _ExtractPackageInfoSet(const BMessage& message,
const char* field, BPackageInfoSet& _infos);
private:
BMessenger fDaemonMessenger;
};
} // namespace BPrivate
} // namespace BPackageKit
#endif // _PACKAGE__PRIVATE__DAEMON_CLIENT_H_