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refactor: little fixes and reorganizations around Connection class

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This commit is contained in:
Stanislav Angelovic
2022-06-22 18:12:42 +02:00
committed by Stanislav Angelovič
parent 2a4c241303
commit b7f3d7c876
12 changed files with 89 additions and 78 deletions
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src/Connection.cpp
+19 -19
View File
@@ -144,16 +144,16 @@ ISdBus& Connection::getSdBusInterface()
void Connection::addObjectManager(const std::string& objectPath)
{
Connection::addObjectManager(objectPath, nullptr);
auto r = iface_->sd_bus_add_object_manager(bus_.get(), nullptr, objectPath.c_str());
SDBUS_THROW_ERROR_IF(r < 0, "Failed to add object manager", -r);
}
SlotPtr Connection::addObjectManager(const std::string& objectPath, void* /*dummy*/)
Slot Connection::addObjectManager(const std::string& objectPath, request_slot_t)
{
sd_bus_slot *slot{};
auto r = iface_->sd_bus_add_object_manager( bus_.get()
, &slot
, objectPath.c_str() );
auto r = iface_->sd_bus_add_object_manager(bus_.get(), &slot, objectPath.c_str());
SDBUS_THROW_ERROR_IF(r < 0, "Failed to add object manager", -r);
@@ -178,10 +178,10 @@ uint64_t Connection::getMethodCallTimeout() const
return timeout;
}
SlotPtr Connection::addObjectVTable( const std::string& objectPath
, const std::string& interfaceName
, const sd_bus_vtable* vtable
, void* userData )
Slot Connection::addObjectVTable( const std::string& objectPath
, const std::string& interfaceName
, const sd_bus_vtable* vtable
, void* userData )
{
sd_bus_slot *slot{};
@@ -296,12 +296,12 @@ void Connection::emitInterfacesRemovedSignal( const std::string& objectPath
SDBUS_THROW_ERROR_IF(r < 0, "Failed to emit InterfacesRemoved signal", -r);
}
SlotPtr Connection::registerSignalHandler( const std::string& sender
, const std::string& objectPath
, const std::string& interfaceName
, const std::string& signalName
, sd_bus_message_handler_t callback
, void* userData )
Slot Connection::registerSignalHandler( const std::string& sender
, const std::string& objectPath
, const std::string& interfaceName
, const std::string& signalName
, sd_bus_message_handler_t callback
, void* userData )
{
sd_bus_slot *slot{};
@@ -457,10 +457,10 @@ bool Connection::waitForNextRequest()
return true;
}
std::string Connection::composeSignalMatchFilter(const std::string &sender,
const std::string &objectPath,
const std::string &interfaceName,
const std::string &signalName)
std::string Connection::composeSignalMatchFilter( const std::string &sender
, const std::string &objectPath
, const std::string &interfaceName
, const std::string &signalName )
{
std::string filter;
src/Connection.h
+16 -16
View File
@@ -43,8 +43,7 @@
namespace sdbus::internal {
class Connection final
: public sdbus::IConnection // External, public interface
, public sdbus::internal::IConnection // Internal, private interface
: public sdbus::internal::IConnection
{
public:
// Bus type tags
@@ -69,7 +68,7 @@ namespace sdbus::internal {
bool processPendingRequest() override;
void addObjectManager(const std::string& objectPath) override;
SlotPtr addObjectManager(const std::string& objectPath, void* /*dummy*/) override;
Slot addObjectManager(const std::string& objectPath, request_slot_t) override;
void setMethodCallTimeout(uint64_t timeout) override;
uint64_t getMethodCallTimeout() const override;
@@ -77,10 +76,10 @@ namespace sdbus::internal {
const ISdBus& getSdBusInterface() const override;
ISdBus& getSdBusInterface() override;
SlotPtr addObjectVTable( const std::string& objectPath
, const std::string& interfaceName
, const sd_bus_vtable* vtable
, void* userData ) override;
Slot addObjectVTable( const std::string& objectPath
, const std::string& interfaceName
, const sd_bus_vtable* vtable
, void* userData ) override;
PlainMessage createPlainMessage() const override;
MethodCall createMethodCall( const std::string& destination
@@ -101,12 +100,12 @@ namespace sdbus::internal {
void emitInterfacesRemovedSignal( const std::string& objectPath
, const std::vector<std::string>& interfaces ) override;
SlotPtr registerSignalHandler( const std::string& sender
, const std::string& objectPath
, const std::string& interfaceName
, const std::string& signalName
, sd_bus_message_handler_t callback
, void* userData ) override;
Slot registerSignalHandler( const std::string& sender
, const std::string& objectPath
, const std::string& interfaceName
, const std::string& signalName
, sd_bus_message_handler_t callback
, void* userData ) override;
MethodReply tryCallMethodSynchronously(const MethodCall& message, uint64_t timeout) override;
@@ -118,9 +117,10 @@ namespace sdbus::internal {
BusPtr openBus(const std::function<int(sd_bus**)>& busFactory);
void finishHandshake(sd_bus* bus);
bool waitForNextRequest();
static std::string composeSignalMatchFilter(const std::string &sender, const std::string &objectPath,
const std::string &interfaceName,
const std::string &signalName);
static std::string composeSignalMatchFilter( const std::string &sender
, const std::string &objectPath
, const std::string &interfaceName
, const std::string &signalName);
void notifyEventLoop(int fd) const;
void notifyEventLoopToExit() const;
void clearEventLoopNotification(int fd) const;
src/IConnection.h
+15 -16
View File
@@ -27,6 +27,7 @@
#ifndef SDBUS_CXX_INTERNAL_ICONNECTION_H_
#define SDBUS_CXX_INTERNAL_ICONNECTION_H_
#include <sdbus-c++/IConnection.h>
#include <systemd/sd-bus.h>
#include <string>
#include <memory>
@@ -46,20 +47,19 @@ namespace sdbus {
namespace sdbus::internal {
using SlotPtr = std::unique_ptr<void, std::function<void(void*)>>;
class IConnection
: public ::sdbus::IConnection
{
public:
virtual ~IConnection() = default;
~IConnection() override = default;
virtual const ISdBus& getSdBusInterface() const = 0;
virtual ISdBus& getSdBusInterface() = 0;
[[nodiscard]] virtual SlotPtr addObjectVTable( const std::string& objectPath
, const std::string& interfaceName
, const sd_bus_vtable* vtable
, void* userData ) = 0;
[[nodiscard]] virtual Slot addObjectVTable( const std::string& objectPath
, const std::string& interfaceName
, const sd_bus_vtable* vtable
, void* userData ) = 0;
virtual PlainMessage createPlainMessage() const = 0;
virtual MethodCall createMethodCall( const std::string& destination
@@ -80,17 +80,16 @@ namespace sdbus::internal {
virtual void emitInterfacesRemovedSignal( const std::string& objectPath
, const std::vector<std::string>& interfaces ) = 0;
[[nodiscard]] virtual SlotPtr addObjectManager(const std::string& objectPath, void* /*dummy*/ = nullptr) = 0;
using sdbus::IConnection::addObjectManager;
[[nodiscard]] virtual Slot addObjectManager(const std::string& objectPath, request_slot_t) = 0;
[[nodiscard]] virtual SlotPtr registerSignalHandler( const std::string& sender
, const std::string& objectPath
, const std::string& interfaceName
, const std::string& signalName
, sd_bus_message_handler_t callback
, void* userData ) = 0;
[[nodiscard]] virtual Slot registerSignalHandler( const std::string& sender
, const std::string& objectPath
, const std::string& interfaceName
, const std::string& signalName
, sd_bus_message_handler_t callback
, void* userData ) = 0;
virtual void enterEventLoopAsync() = 0;
virtual void leaveEventLoop() = 0;
virtual void notifyEventLoopNewTimeout() const = 0;
virtual MethodReply tryCallMethodSynchronously(const MethodCall& message, uint64_t timeout) = 0;
};
src/Message.cpp
+2 -2
View File
@@ -803,7 +803,7 @@ void MethodCall::send(void* callback, void* userData, uint64_t timeout, dont_req
connection_->notifyEventLoopNewTimeout();
}
MethodCall::Slot MethodCall::send(void* callback, void* userData, uint64_t timeout) const
Slot MethodCall::send(void* callback, void* userData, uint64_t timeout) const
{
sd_bus_slot* slot;
@@ -814,7 +814,7 @@ MethodCall::Slot MethodCall::send(void* callback, void* userData, uint64_t timeo
SDBUS_THROW_ERROR_IF(connection_ == nullptr, "Invalid use of MethodCall API", ENOTSUP);
connection_->notifyEventLoopNewTimeout();
return Slot{slot, [sdbus_ = sdbus_](void *slot){ sdbus_->sd_bus_slot_unref((sd_bus_slot*)slot); }};
return {slot, [sdbus_ = sdbus_](void *slot){ sdbus_->sd_bus_slot_unref((sd_bus_slot*)slot); }};
}
MethodReply MethodCall::createReply() const
src/Object.cpp
+2 -2
View File
@@ -217,7 +217,7 @@ void Object::emitInterfacesRemovedSignal(const std::vector<std::string>& interfa
void Object::addObjectManager()
{
objectManagerSlot_ = connection_.addObjectManager(objectPath_);
objectManagerSlot_ = connection_.addObjectManager(objectPath_, request_slot);
}
void Object::removeObjectManager()
@@ -232,7 +232,7 @@ bool Object::hasObjectManager() const
sdbus::IConnection& Object::getConnection() const
{
return dynamic_cast<sdbus::IConnection&>(connection_);
return connection_;
}
const std::string& Object::getObjectPath() const
src/Object.h
+2 -2
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@@ -144,7 +144,7 @@ namespace sdbus::internal {
// This is intentionally the last member, because it must be destructed first,
// releasing callbacks above before the callbacks themselves are destructed.
SlotPtr slot;
Slot slot;
};
InterfaceData& getInterface(const std::string& interfaceName);
@@ -177,7 +177,7 @@ namespace sdbus::internal {
sdbus::internal::IConnection& connection_;
std::string objectPath_;
std::map<InterfaceName, InterfaceData> interfaces_;
SlotPtr objectManagerSlot_;
Slot objectManagerSlot_;
std::atomic<const Message*> m_CurrentlyProcessedMessage{nullptr};
};
src/Proxy.cpp
+1 -1
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@@ -219,7 +219,7 @@ void Proxy::unregister()
sdbus::IConnection& Proxy::getConnection() const
{
return dynamic_cast<sdbus::IConnection&>(*connection_);
return *connection_;
}
const std::string& Proxy::getObjectPath() const
src/Proxy.h
+5 -5
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@@ -103,18 +103,18 @@ namespace sdbus::internal {
using SignalName = std::string;
struct SignalData
{
SignalData(Proxy& proxy, signal_handler callback, SlotPtr slot)
SignalData(Proxy& proxy, signal_handler callback, Slot slot)
: proxy(proxy)
, callback(std::move(callback))
, slot(std::move(slot))
{}
Proxy& proxy;
signal_handler callback;
// slot_ must be listed after callback_ to ensure that slot_ is destructed first.
// Destructing the slot_ will sd_bus_slot_unref() the callback.
// slot must be listed after callback to ensure that slot is destructed first.
// Destructing the slot will sd_bus_slot_unref() the callback.
// Only after sd_bus_slot_unref(), we can safely delete the callback. The bus mutex (SdBus::sdbusMutex_)
// ensures that sd_bus_slot_unref() and the callback execute sequentially.
SlotPtr slot;
Slot slot;
};
std::map<SignalName, std::unique_ptr<SignalData>> signals_;
};
@@ -131,7 +131,7 @@ namespace sdbus::internal {
{
Proxy& proxy;
async_reply_handler callback;
MethodCall::Slot slot;
Slot slot;
};
~AsyncCalls()