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// Copyright (C) 2015 Bayerische Motoren Werke Aktiengesellschaft (BMW AG)
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.
#if !defined (COMMONAPI_INTERNAL_COMPILATION)
#error "Only <CommonAPI/CommonAPI.hpp> can be included directly, this file may disappear or change contents."
#endif
#ifndef COMMONAPI_DBUS_DBUSPROXYASYNCSIGNALMEMBERCALLBACKHANDLER_HPP_
#define COMMONAPI_DBUS_DBUSPROXYASYNCSIGNALMEMBERCALLBACKHANDLER_HPP_
#include <functional>
#include <future>
#include <memory>
//#include <CommonAPI/DBus/DBusHelper.hpp>
#include <CommonAPI/DBus/DBusMessage.hpp>
#include <CommonAPI/DBus/DBusProxyConnection.hpp>
namespace CommonAPI {
namespace DBus {
template <typename DelegateObjectType_>
class DBusProxyAsyncSignalMemberCallbackHandler: public DBusProxyConnection::DBusMessageReplyAsyncHandler {
public:
struct Delegate {
typedef std::function<void(CallStatus, DBusMessage, std::weak_ptr<DBusProxyConnection::DBusSignalHandler>, uint32_t)> FunctionType;
Delegate(std::shared_ptr<DelegateObjectType_> object, FunctionType function) :
function_(std::move(function)) {
object_ = object;
}
std::weak_ptr<DelegateObjectType_> object_;
FunctionType function_;
};
static std::unique_ptr<DBusProxyConnection::DBusMessageReplyAsyncHandler> create(
Delegate& delegate, std::weak_ptr<DBusProxyConnection::DBusSignalHandler> dbusSignalHandler,
const uint32_t tag) {
return std::unique_ptr<DBusProxyConnection::DBusMessageReplyAsyncHandler>(
new DBusProxyAsyncSignalMemberCallbackHandler<DelegateObjectType_>(std::move(delegate), dbusSignalHandler, tag));
}
DBusProxyAsyncSignalMemberCallbackHandler() = delete;
DBusProxyAsyncSignalMemberCallbackHandler(Delegate&& delegate,
std::weak_ptr<DBusProxyConnection::DBusSignalHandler> dbusSignalHandler,
const uint32_t tag):
delegate_(std::move(delegate)), dbusSignalHandler_(dbusSignalHandler), tag_(tag),
executionStarted_(false), executionFinished_(false),
timeoutOccurred_(false), hasToBeDeleted_(false) {
}
virtual ~DBusProxyAsyncSignalMemberCallbackHandler() {}
virtual std::future<CallStatus> getFuture() {
return promise_.get_future();
}
virtual void onDBusMessageReply(const CallStatus& dbusMessageCallStatus, const DBusMessage& dbusMessage) {
promise_.set_value(handleDBusMessageReply(dbusMessageCallStatus, dbusMessage));
}
virtual void setExecutionStarted() {
executionStarted_ = true;
}
virtual bool getExecutionStarted() {
return executionStarted_;
}
virtual void setExecutionFinished() {
executionFinished_ = true;
}
virtual bool getExecutionFinished() {
return executionFinished_;
}
virtual void setTimeoutOccurred() {
timeoutOccurred_ = true;
}
virtual bool getTimeoutOccurred() {
return timeoutOccurred_;
}
virtual void setHasToBeDeleted() {
hasToBeDeleted_ = true;
}
virtual bool hasToBeDeleted() {
return hasToBeDeleted_;
}
virtual void lock() {
asyncHandlerMutex_.lock();
}
virtual void unlock() {
asyncHandlerMutex_.unlock();
}
private:
inline CallStatus handleDBusMessageReply(const CallStatus dbusMessageCallStatus, const DBusMessage& dbusMessage) const {
CallStatus callStatus = dbusMessageCallStatus;
//check if object is expired
if(!delegate_.object_.expired())
delegate_.function_(callStatus, dbusMessage, dbusSignalHandler_, tag_);
return callStatus;
}
std::promise<CallStatus> promise_;
const Delegate delegate_;
std::weak_ptr<DBusProxyConnection::DBusSignalHandler> dbusSignalHandler_;
const uint32_t tag_;
bool executionStarted_;
bool executionFinished_;
bool timeoutOccurred_;
bool hasToBeDeleted_;
std::mutex asyncHandlerMutex_;
};
} // namespace DBus
} // namespace CommonAPI
#endif // COMMONAPI_DBUS_DBUSPROXYASYNCSIGNALMEMBERCALLBACKHANDLER_HPP_
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