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refs #467 Mechanism for processes to notify each other of which log patterns they are subscribed to.

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This commit is contained in:
Mathew Sutcliffe
2015-09-21 02:13:26 +01:00
parent 6d5e3b5897
commit 3aa3a2a892
11 changed files with 197 additions and 6 deletions
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3
src/blackcore/blackcorefreefunctions.cpp
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@@ -9,6 +9,7 @@
#include "voice_channel.h"
#include "network.h"
#include "simulator.h"
#include "context_application.h"
#include <QThread>
namespace BlackCore
@@ -19,6 +20,8 @@ namespace BlackCore
qRegisterMetaType<BlackCore::INetwork::ConnectionStatus>();
qRegisterMetaType<BlackCore::CWebReaderFlags::WebReaderFlag>();
qRegisterMetaType<BlackCore::CWebReaderFlags::WebReader>();
qDBusRegisterMetaType<BlackCore::CLogSubscriptionHash>();
qDBusRegisterMetaType<BlackCore::CLogSubscriptionPair>();
}
bool isCurrentThreadObjectThread(QObject *toBeTested)

31
src/blackcore/context_application.cpp
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@@ -48,6 +48,22 @@ namespace BlackCore
{
this->logMessage(message, {});
});
connect(CLogHandler::instance(), &CLogHandler::subscriptionAdded, this, [this](const CLogPattern &pattern)
{
this->addLogSubscription({}, pattern);
});
connect(CLogHandler::instance(), &CLogHandler::subscriptionRemoved, this, [this](const CLogPattern &pattern)
{
this->removeLogSubscription({}, pattern);
});
connect(this, &IContextApplication::logSubscriptionAdded, this, [this](const CIdentifier &subscriber, const CLogPattern &pattern)
{
this->m_logSubscriptions[subscriber].push_back(pattern);
});
connect(this, &IContextApplication::logSubscriptionRemoved, this, [this](const CIdentifier &subscriber, const CLogPattern &pattern)
{
this->m_logSubscriptions[subscriber].removeAll(pattern);
});
connect(CSettingsCache::instance(), &CSettingsCache::valuesChangedByLocal, [this](const CVariantMap &settings)
{
@@ -122,3 +138,18 @@ namespace BlackCore
}
} // namespace
QDBusArgument &operator <<(QDBusArgument &arg, const BlackCore::CLogSubscriptionHash &hash)
{
QList<CLogSubscriptionPair> listOfPairs;
for (auto it = hash.begin(); it != hash.end(); ++it) { listOfPairs.push_back({ it.key(), it.value() }); }
return arg << listOfPairs;
}
const QDBusArgument &operator >>(const QDBusArgument &arg, BlackCore::CLogSubscriptionHash &hash)
{
QList<CLogSubscriptionPair> listOfPairs;
arg >> listOfPairs;
for (const auto &pair : listOfPairs) { hash.insert(pair.first, pair.second); }
return arg;
}

42
src/blackcore/context_application.h
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@@ -18,6 +18,7 @@
#include "blackmisc/audio/voiceroomlist.h"
#include "blackmisc/identifierlist.h"
#include "blackmisc/variantmap.h"
#include "blackmisc/logpattern.h"
#include <QObject>
#include <QReadWriteLock>
@@ -36,6 +37,12 @@ namespace BlackCore
{
class CInputManager;
//! Used by application context to track which processes are subscribed to which patterns of log message
using CLogSubscriptionHash = QHash<BlackMisc::CIdentifier, QList<BlackMisc::CLogPattern>>;
//! Used when marshalling CLogSubscriptionHash, as a QHash with CIdentifier keys can't be marshalled
using CLogSubscriptionPair = QPair<BlackMisc::CIdentifier, QList<BlackMisc::CLogPattern>>;
//! Application context interface
class BLACKCORE_EXPORT IContextApplication : public CContext
{
@@ -78,6 +85,14 @@ namespace BlackCore
//! \note Used with CLogMessage, do not use directly
void messageLogged(const BlackMisc::CStatusMessage &message, const BlackMisc::CIdentifier &origin);
//! A process subscribed to a particular pattern of log messages
//! \note Used with CLogMessage, do not use directly
void logSubscriptionAdded(const BlackMisc::CIdentifier &subscriber, const BlackMisc::CLogPattern &pattern);
//! A process unsubscribed from a particular pattern of log messages
//! \note Used with CLogMessage, do not use directly
void logSubscriptionRemoved(const BlackMisc::CIdentifier &subscriber, const BlackMisc::CLogPattern &pattern);
//! One or more settings were changed
//! \note Used for cache relay, do not use directly
void settingsChanged(const BlackMisc::CVariantMap &settings, const BlackMisc::CIdentifier &origin);
@@ -93,12 +108,30 @@ namespace BlackCore
//! Work around for audio context, #382
void fakedSetComVoiceRoom(const BlackMisc::Audio::CVoiceRoomList &requestedRooms);
protected:
//! Tracks which processes are subscribed to which patterns of log messages.
CLogSubscriptionHash m_logSubscriptions;
public slots:
//! Log a log message
//! \note Not pure because it can be called from the base class constructor.
//! \note this is the function which relays CLogMessage via DBus
virtual void logMessage(const BlackMisc::CStatusMessage &message, const BlackMisc::CIdentifier &origin) { Q_UNUSED(message); Q_UNUSED(origin); }
//! Subscribe a process to a particular pattern of log messages
//! \note This is the function which relays subscription changes via DBus
virtual void addLogSubscription(const BlackMisc::CIdentifier &subscriber, const BlackMisc::CLogPattern &pattern) = 0;
//! Unsubscribe a process from a particular pattern of log messages
//! \note This is the function which relays subscription changes via DBus
virtual void removeLogSubscription(const BlackMisc::CIdentifier &subscriber, const BlackMisc::CLogPattern &pattern) = 0;
//! Returns hash identifying which processes are subscribed to which patterns of log message
virtual BlackCore::CLogSubscriptionHash getAllLogSubscriptions() const = 0;
//! Update log subscriptions hash from core
virtual void synchronizeLogSubscriptions() = 0;
//! Ratify some settings changed by another process
//! \note Not pure because it can be called from the base class constructor.
//! \note This is the function which relays cache changes via DBus.
@@ -154,4 +187,13 @@ namespace BlackCore
};
}
//! DBus marshalling for CLogSubscriptionHash, needed because QtDBus can't marshal a QHash with CIdentifier keys.
QDBusArgument &operator <<(QDBusArgument &arg, const BlackCore::CLogSubscriptionHash &);
//! DBus unmarshalling for CLogSubscriptionHash, needed because QtDBus can't marshal a QHash with CIdentifier keys.
const QDBusArgument &operator >>(const QDBusArgument &arg, BlackCore::CLogSubscriptionHash &);
Q_DECLARE_METATYPE(BlackCore::CLogSubscriptionHash)
Q_DECLARE_METATYPE(BlackCore::CLogSubscriptionPair)
#endif // guard

23
src/blackcore/context_application_impl.cpp
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@@ -41,6 +41,29 @@ namespace BlackCore
emit this->messageLogged(message, origin);
}
void CContextApplication::addLogSubscription(const CIdentifier &subscriber, const CLogPattern &pattern)
{
if (m_debugEnabled) { CLogMessage(this, CLogCategory::contextSlot()).debug() << Q_FUNC_INFO; }
emit this->logSubscriptionAdded(subscriber, pattern);
}
void CContextApplication::removeLogSubscription(const CIdentifier &subscriber, const CLogPattern &pattern)
{
if (m_debugEnabled) { CLogMessage(this, CLogCategory::contextSlot()).debug() << Q_FUNC_INFO; }
emit this->logSubscriptionRemoved(subscriber, pattern);
}
CLogSubscriptionHash CContextApplication::getAllLogSubscriptions() const
{
if (m_debugEnabled) { CLogMessage(this, CLogCategory::contextSlot()).debug() << Q_FUNC_INFO; }
return m_logSubscriptions;
}
void CContextApplication::synchronizeLogSubscriptions()
{
// no-op: proxy implements this method by calling getAllLogSubscriptions
}
void CContextApplication::changeSettings(const CVariantMap &settings, const CIdentifier &origin)
{
// Intentionally don't check for round trip here

12
src/blackcore/context_application_impl.h
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@@ -32,6 +32,18 @@ namespace BlackCore
//! \copydoc IContextApplication::logMessage
virtual void logMessage(const BlackMisc::CStatusMessage &message, const BlackMisc::CIdentifier &origin) override;
//! \copydoc IContextApplication::addLogSubscription
virtual void addLogSubscription(const BlackMisc::CIdentifier &subscriber, const BlackMisc::CLogPattern &pattern) override;
//! \copydoc IContextApplication::removeLogSubscription
virtual void removeLogSubscription(const BlackMisc::CIdentifier &subscriber, const BlackMisc::CLogPattern &pattern) override;
//! \copydoc IContextApplication::getAllLogSubscriptions
virtual CLogSubscriptionHash getAllLogSubscriptions() const;
//! \copydoc IContextApplication::synchronizeLogSubscriptions
virtual void synchronizeLogSubscriptions();
//! \copydoc IContextApplication::changeSettings
virtual void changeSettings(const BlackMisc::CVariantMap &settings, const BlackMisc::CIdentifier &origin) override;

28
src/blackcore/context_application_proxy.cpp
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@@ -43,6 +43,12 @@ namespace BlackCore
bool s = connection.connect(serviceName, IContextApplication::ObjectPath(), IContextApplication::InterfaceName(),
"messageLogged", this, SIGNAL(messageLogged(BlackMisc::CStatusMessage, BlackMisc::CIdentifier)));
Q_ASSERT(s);
s = connection.connect(serviceName, IContextApplication::ObjectPath(), IContextApplication::InterfaceName(),
"logSubscriptionAdded", this, SIGNAL(logSubscriptionAdded(BlackMisc::CIdentifier, BlackMisc::CLogPattern)));
Q_ASSERT(s);
s = connection.connect(serviceName, IContextApplication::ObjectPath(), IContextApplication::InterfaceName(),
"logSubscriptionRemoved", this, SIGNAL(logSubscriptionRemoved(BlackMisc::CIdentifier, BlackMisc::CLogPattern)));
Q_ASSERT(s);
s = connection.connect(serviceName, IContextApplication::ObjectPath(), IContextApplication::InterfaceName(),
"settingsChanged", this, SIGNAL(settingsChanged(BlackMisc::CVariantMap, BlackMisc::CIdentifier)));
Q_ASSERT(s);
@@ -62,6 +68,28 @@ namespace BlackCore
this->m_dBusInterface->callDBus(QLatin1Literal("logMessage"), message, origin);
}
void CContextApplicationProxy::addLogSubscription(const CIdentifier &subscriber, const CLogPattern &pattern)
{
this->m_dBusInterface->callDBus(QLatin1Literal("addLogSubscription"), subscriber, pattern);
}
void CContextApplicationProxy::removeLogSubscription(const CIdentifier &subscriber, const CLogPattern &pattern)
{
this->m_dBusInterface->callDBus(QLatin1Literal("removeLogSubscription"), subscriber, pattern);
}
CLogSubscriptionHash CContextApplicationProxy::getAllLogSubscriptions() const
{
return this->m_dBusInterface->callDBusRet<CLogSubscriptionHash>(QLatin1Literal("getAllLogSubscriptions"));
}
void CContextApplicationProxy::synchronizeLogSubscriptions()
{
// note this proxy method does not call synchronizeLogSubscriptions in core
m_logSubscriptions = getAllLogSubscriptions();
for (const auto &pattern : CLogHandler::instance()->getAllSubscriptions()) { this->addLogSubscription({}, pattern); }
}
void CContextApplicationProxy::changeSettings(const CVariantMap &settings, const CIdentifier &origin)
{
this->m_dBusInterface->callDBus(QLatin1Literal("changeSettings"), settings, origin);

12
src/blackcore/context_application_proxy.h
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@@ -28,6 +28,18 @@ namespace BlackCore
//! \copydoc IContextApplication::logMessage
virtual void logMessage(const BlackMisc::CStatusMessage &message, const BlackMisc::CIdentifier &origin) override;
//! \copydoc IContextApplication::addLogSubscription
virtual void addLogSubscription(const BlackMisc::CIdentifier &subscriber, const BlackMisc::CLogPattern &pattern) override;
//! \copydoc IContextApplication::removeLogSubscription
virtual void removeLogSubscription(const BlackMisc::CIdentifier &subscriber, const BlackMisc::CLogPattern &pattern) override;
//! \copydoc IContextApplication::getAllLogSubscriptions
virtual CLogSubscriptionHash getAllLogSubscriptions() const;
//! \copydoc IContextApplication::synchronizeLogSubscriptions
virtual void synchronizeLogSubscriptions();
//! \copydoc IContextApplication::changeSettings
virtual void changeSettings(const BlackMisc::CVariantMap &settings, const BlackMisc::CIdentifier &origin) override;