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/*
* Copyright (C) 2012 Intel Corporation
*
* 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; either
* version 2.1 of the License, or (at your option) version 3.
*
* 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
*/
#ifndef SESSION_HELPER_H
#define SESSION_HELPER_H
#include "session-common.h"
#include "dbus-sync.h"
#include <gdbus-cxx-bridge.h>
#include <boost/function.hpp>
#include <glib.h>
#include <boost/shared_ptr.hpp>
#include <syncevo/declarations.h>
SE_BEGIN_CXX
class LogRedirect;
class ForkExecChild;
/**
* Waits for requests via the internal D-Bus connection in run(), sent
* by the Session class in syncevo-dbus-server. Then for each request
* it remembers what to do in m_operation and returns from the event
* loop and executes the requested operation, pretty much like the
* traditional syncevo-dbus-server did.
*/
class SessionHelper : public GDBusCXX::DBusObjectHelper,
private boost::noncopyable
{
GMainLoop *m_loop;
GDBusCXX::DBusConnectionPtr m_conn;
boost::shared_ptr<ForkExecChild> m_forkexec;
boost::function<bool ()> m_operation;
boost::shared_ptr<Logger> m_logger;
PushLogger<Logger> m_pushLogger;
/** valid during doSync() */
boost::scoped_ptr<DBusSync> m_sync;
/** called by main event loop: initiate a sync operation */
void sync(const SessionCommon::SyncParams ¶ms,
const boost::shared_ptr< GDBusCXX::Result2<bool, SyncReport> > &result);
/**
* called by run(): do the sync operation
* @return true if the helper is meant to terminate
*/
bool doSync(const SessionCommon::SyncParams ¶ms,
const boost::shared_ptr< GDBusCXX::Result2<bool, SyncReport> > &result);
void restore(const std::string &configName,
const string &dir, bool before, const std::vector<std::string> &sources,
const boost::shared_ptr< GDBusCXX::Result1<bool> > &result);
bool doRestore(const std::string &configName,
const string &dir, bool before, const std::vector<std::string> &sources,
const boost::shared_ptr< GDBusCXX::Result1<bool> > &result);
void execute(const vector<string> &args, const map<string, string> &vars,
const boost::shared_ptr< GDBusCXX::Result1<bool> > &result);
bool doExecute(const vector<string> &args, const map<string, string> &vars,
const boost::shared_ptr< GDBusCXX::Result1<bool> > &result);
/** SessionHelper.PasswordResponse */
void passwordResponse(bool timedOut, bool aborted, const std::string &password);
public:
SessionHelper(GMainLoop *loop,
const GDBusCXX::DBusConnectionPtr &conn,
const boost::shared_ptr<ForkExecChild> &forkexec,
const boost::shared_ptr<LogRedirect> &parentLogger);
~SessionHelper();
void activate();
void run();
GMainLoop *getLoop() const { return m_loop; }
/** Still have connection to parent. Shortcut which asks the ForkExecChild class. */
bool connected();
boost::shared_ptr<ForkExecChild> getForkExecChild() { return m_forkexec; }
/** Server.LogOutput for the session D-Bus object */
GDBusCXX::EmitSignal3<std::string,
std::string, std::string, true> emitLogOutput;
/** SyncContext::displaySyncProgress */
GDBusCXX::EmitSignal4<sysync::TProgressEventEnum,
int32_t, int32_t, int32_t, true> emitSyncProgress;
/** SyncContext::displaySourceProgress */
GDBusCXX::EmitSignal6<sysync::TProgressEventEnum,
std::string, SyncMode,
int32_t, int32_t, int32_t, true> emitSourceProgress;
/** SyncContext::m_sourceSyncedSignal */
GDBusCXX::EmitSignal2<std::string, SyncSourceReport> emitSourceSynced;
/** SyncContext::reportStepCmd -> true/false for "waiting on IO" */
GDBusCXX::EmitSignal1<bool, true> emitWaiting;
/** SyncContext::syncSuccessStart */
GDBusCXX::EmitSignal0Template<true> emitSyncSuccessStart;
/** Cmdline::configWasModified() */
GDBusCXX::EmitSignal0Template<true> emitConfigChanged;
/** SyncContext::askPassword */
GDBusCXX::EmitSignal2<std::string, ConfigPasswordKey> emitPasswordRequest;
/** send message to parent's connection (buffer, type, url) */
GDBusCXX::EmitSignal3<GDBusCXX::DBusArray<uint8_t>, std::string, std::string> emitMessage;
/** tell parent's connection to shut down */
GDBusCXX::EmitSignal0Template<false> emitShutdown;
/** store the next message received by the session's connection */
void storeMessage(const GDBusCXX::DBusArray<uint8_t> &message,
const std::string &type) {
m_messageSignal(message, type);
}
typedef boost::signals2::signal<void (const GDBusCXX::DBusArray<uint8_t> &,
const std::string &)> MessageSignal_t;
MessageSignal_t m_messageSignal;
/** store the latest connection state information */
void connectionState(const std::string &error)
{
m_connectionStateSignal(error);
}
typedef boost::signals2::signal<void (const std::string &)> ConnectionStateSignal_t;
ConnectionStateSignal_t m_connectionStateSignal;
};
SE_END_CXX
#endif // SESSION_HELPER_H
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