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cxLogThread.h
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1 /*=========================================================================
2 This file is part of CustusX, an Image Guided Therapy Application.
3 
4 Copyright (c) 2008-2014, SINTEF Department of Medical Technology
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10 1. Redistributions of source code must retain the above copyright notice,
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31 =========================================================================*/
32 
33 #ifndef CXLOGTHREAD_H
34 #define CXLOGTHREAD_H
35 
36 #include "cxResourceExport.h"
37 
38 #include <QMetaType>
39 #include <QObject>
40 #include <QMutex>
41 #include <QDateTime>
42 #include <QFile>
43 #include <QPointer>
44 #include "boost/shared_ptr.hpp"
45 #include "boost/function.hpp"
46 #include "cxDefinitions.h"
47 #include "cxAudio.h"
48 #include <sstream>
49 #include "cxTypeConversions.h"
50 #include "cxLogger.h"
51 #include "cxLogMessage.h"
52 #include <QList>
53 #include <QThread>
54 #include <QFileSystemWatcher>
55 
56 class QString;
57 class QDomNode;
58 class QDomDocument;
59 class QFile;
60 class QTextStream;
61 
68 namespace cx
69 {
70 typedef boost::shared_ptr<class MessageObserver> MessageObserverPtr;
71 typedef boost::shared_ptr<class MessageRepository> MessageRepositoryPtr;
72 class LogFile;
73 
74 
79 class ThreadMethodInvoker : public QObject
80 {
81  Q_OBJECT
82 
83 public:
84  typedef boost::function<void()> ActionType;
85 
86  ThreadMethodInvoker(QObject* parent);
87  void callInLogThread(ActionType action);
88 
89 private slots:
90  void pendingAction();
91 
92 private:
93  QMutex mActionsMutex;
94  QList<ActionType> mPendingActions;
95 
96  bool executeAction();
97  ActionType popAction();
98  void invokePendingAction();
99 };
100 
105 class LogThread : public QObject
106 {
107  Q_OBJECT
108  typedef boost::function<void()> ActionType;
109 
110 public:
111  LogThread(QObject* parent = NULL);
112  virtual ~LogThread() {}
113  virtual void setLoggingFolder(QString absoluteLoggingFolderPath);
114  virtual void installObserver(MessageObserverPtr observer, bool resend);
115  virtual void uninstallObserver(MessageObserverPtr observer);
116 
117 signals:
118  void emittedMessage(Message message);
119 public slots:
120  virtual void logMessage(Message msg) {} // default impl do nothing (should be removed)
121 
122 protected:
123  virtual void executeSetLoggingFolder(QString absoluteLoggingFolderPath) = 0;
125  Message cleanupMessage(Message message);
127 
128 protected slots:
129  void processMessage(Message msg);
130 
131 private:
132  QPointer<ThreadMethodInvoker> mQueue;
133 
134  int getDefaultTimeout(MESSAGE_LEVEL messageLevel) const;
135 };
136 
137 } //namespace cx
138 
143 #endif // CXLOGTHREAD_H
virtual void logMessage(Message msg)
Definition: cxLogThread.h:120
virtual void installObserver(MessageObserverPtr observer, bool resend)
ThreadMethodInvoker(QObject *parent)
Definition: cxLogThread.cpp:41
virtual void uninstallObserver(MessageObserverPtr observer)
virtual void setLoggingFolder(QString absoluteLoggingFolderPath)
call during startup, will fail if called when running
LogThread(QObject *parent=NULL)
Definition: cxLogThread.cpp:96
MessageRepositoryPtr mRepository
Definition: cxLogThread.h:126
virtual void executeSetLoggingFolder(QString absoluteLoggingFolderPath)=0
virtual ~LogThread()
Definition: cxLogThread.h:112
void emittedMessage(Message message)
emitted for each new message, in addition to writing to observer.
boost::shared_ptr< class MessageObserver > MessageObserverPtr
Definition: cxLog.h:65
boost::function< void()> ActionType
Definition: cxLogThread.h:84
void callInLogThread(ThreadMethodInvoker::ActionType action)
void callInLogThread(ActionType action)
Definition: cxLogThread.cpp:46
void processMessage(Message msg)
boost::shared_ptr< class MessageRepository > MessageRepositoryPtr
Definition: cxLogThread.h:71
Message cleanupMessage(Message message)