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sdbus-cpp/src/Proxy.h
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/**
* (C) 2016 - 2021 KISTLER INSTRUMENTE AG, Winterthur, Switzerland
* (C) 2016 - 2024 Stanislav Angelovic <stanislav.angelovic@protonmail.com>
*
* @file Proxy.h
*
* Created on: Nov 8, 2016
* Project: sdbus-c++
* Description: High-level D-Bus IPC C++ library based on sd-bus
*
* This file is part of sdbus-c++.
*
* sdbus-c++ 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) any later version.
*
* sdbus-c++ 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 sdbus-c++. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef SDBUS_CXX_INTERNAL_PROXY_H_
#define SDBUS_CXX_INTERNAL_PROXY_H_
#include "sdbus-c++/IProxy.h"
#include "IConnection.h"
#include "sdbus-c++/Types.h"
#include <deque>
#include <memory>
#include <mutex>
#include <string>
#include SDBUS_HEADER
#include <vector>
namespace sdbus::internal {
class Proxy
: public IProxy
{
public:
Proxy( sdbus::internal::IConnection& connection
, ServiceName destination
, ObjectPath objectPath );
Proxy( std::unique_ptr<sdbus::internal::IConnection>&& connection
, ServiceName destination
, ObjectPath objectPath );
Proxy( std::unique_ptr<sdbus::internal::IConnection>&& connection
, ServiceName destination
, ObjectPath objectPath
, dont_run_event_loop_thread_t );
MethodCall createMethodCall(const InterfaceName& interfaceName, const MethodName& methodName) override;
MethodCall createMethodCall(const char* interfaceName, const char* methodName) override;
MethodReply callMethod(const MethodCall& message) override;
MethodReply callMethod(const MethodCall& message, uint64_t timeout) override;
PendingAsyncCall callMethodAsync(const MethodCall& message, async_reply_handler asyncReplyCallback) override;
Slot callMethodAsync( const MethodCall& message
, async_reply_handler asyncReplyCallback
, return_slot_t ) override;
PendingAsyncCall callMethodAsync( const MethodCall& message
, async_reply_handler asyncReplyCallback
, uint64_t timeout ) override;
Slot callMethodAsync( const MethodCall& message
, async_reply_handler asyncReplyCallback
, uint64_t timeout
, return_slot_t ) override;
std::future<MethodReply> callMethodAsync(const MethodCall& message, with_future_t) override;
std::future<MethodReply> callMethodAsync(const MethodCall& message, uint64_t timeout, with_future_t) override;
void registerSignalHandler( const InterfaceName& interfaceName
, const SignalName& signalName
, signal_handler signalHandler ) override;
void registerSignalHandler( const char* interfaceName
, const char* signalName
, signal_handler signalHandler ) override;
Slot registerSignalHandler( const InterfaceName& interfaceName
, const SignalName& signalName
, signal_handler signalHandler
, return_slot_t ) override;
Slot registerSignalHandler( const char* interfaceName
, const char* signalName
, signal_handler signalHandler
, return_slot_t ) override;
void unregister() override;
[[nodiscard]] sdbus::IConnection& getConnection() const override;
[[nodiscard]] const ObjectPath& getObjectPath() const override;
[[nodiscard]] Message getCurrentlyProcessedMessage() const override;
private:
static int sdbus_signal_handler(sd_bus_message *sdbusMessage, void *userData, sd_bus_error *retError);
static int sdbus_async_reply_handler(sd_bus_message *sdbusMessage, void *userData, sd_bus_error *retError);
private:
friend PendingAsyncCall;
std::unique_ptr< sdbus::internal::IConnection
, std::function<void(sdbus::internal::IConnection*)>
> connection_;
ServiceName destination_;
ObjectPath objectPath_;
std::vector<Slot> floatingSignalSlots_;
struct SignalInfo
{
signal_handler callback;
Proxy& proxy;
Slot slot;
};
struct AsyncCallInfo
{
async_reply_handler callback;
Proxy& proxy;
Slot slot{};
bool finished{false};
bool floating;
};
// Container keeping track of pending async calls
class FloatingAsyncCallSlots
{
public:
~FloatingAsyncCallSlots();
void push_back(std::shared_ptr<AsyncCallInfo> asyncCallInfo);
void erase(AsyncCallInfo* info);
void clear();
private:
std::mutex mutex_;
std::deque<std::shared_ptr<AsyncCallInfo>> slots_;
};
FloatingAsyncCallSlots floatingAsyncCallSlots_;
};
}
#endif /* SDBUS_CXX_INTERNAL_PROXY_H_ */