/[svn]/qsampler/trunk/src/qsamplerMessages.cpp
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Diff of /qsampler/trunk/src/qsamplerMessages.cpp

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revision 2583 by capela, Fri May 30 21:03:25 2014 UTC revision 3759 by capela, Sat Mar 28 00:28:13 2020 UTC
# Line 1  Line 1 
1  // qsamplerMessages.cpp  // qsamplerMessages.cpp
2  //  //
3  /****************************************************************************  /****************************************************************************
4     Copyright (C) 2004-2014, rncbc aka Rui Nuno Capela. All rights reserved.     Copyright (C) 2004-2020, rncbc aka Rui Nuno Capela. All rights reserved.
5     Copyright (C) 2007, Christian Schoenebeck     Copyright (C) 2007, Christian Schoenebeck
6    
7     This program is free software; you can redistribute it and/or     This program is free software; you can redistribute it and/or
# Line 34  Line 34 
34  #include <QDateTime>  #include <QDateTime>
35  #include <QIcon>  #include <QIcon>
36    
37  #if !defined(WIN32)  #if !defined(__WIN32__) && !defined(_WIN32) && !defined(WIN32)
38  #include <unistd.h>  #include <unistd.h>
39    #include <fcntl.h>
40    #endif
41    
42    
43    // Deprecated QTextStreamFunctions/Qt namespaces workaround.
44    #if QT_VERSION >= QT_VERSION_CHECK(5, 15, 0)
45    #define endl    Qt::endl
46  #endif  #endif
47    
48    
# Line 62  Messages::Messages ( QWidget *pParent ) Line 69  Messages::Messages ( QWidget *pParent )
69          QDockWidget::setObjectName("qsamplerMessages");          QDockWidget::setObjectName("qsamplerMessages");
70    
71          // Intialize stdout capture stuff.          // Intialize stdout capture stuff.
72          m_pStdoutNotifier = NULL;          m_pStdoutNotifier = nullptr;
73          m_fdStdout[QSAMPLER_MESSAGES_FDREAD]  = QSAMPLER_MESSAGES_FDNIL;          m_fdStdout[QSAMPLER_MESSAGES_FDREAD]  = QSAMPLER_MESSAGES_FDNIL;
74          m_fdStdout[QSAMPLER_MESSAGES_FDWRITE] = QSAMPLER_MESSAGES_FDNIL;          m_fdStdout[QSAMPLER_MESSAGES_FDWRITE] = QSAMPLER_MESSAGES_FDNIL;
75    
# Line 80  Messages::Messages ( QWidget *pParent ) Line 87  Messages::Messages ( QWidget *pParent )
87          m_iMessagesLines = 0;          m_iMessagesLines = 0;
88          setMessagesLimit(QSAMPLER_MESSAGES_MAXLINES);          setMessagesLimit(QSAMPLER_MESSAGES_MAXLINES);
89    
90          m_pMessagesLog = NULL;          m_pMessagesLog = nullptr;
91    
92          // Prepare the dockable window stuff.          // Prepare the dockable window stuff.
93          QDockWidget::setWidget(m_pMessagesTextView);          QDockWidget::setWidget(m_pMessagesTextView);
# Line 112  Messages::~Messages (void) Line 119  Messages::~Messages (void)
119  }  }
120    
121    
122    // Set stdout/stderr blocking mode.
123    bool Messages::stdoutBlock ( int fd, bool bBlock ) const
124    {
125    #if !defined(__WIN32__) && !defined(_WIN32) && !defined(WIN32)
126            const int iFlags = ::fcntl(fd, F_GETFL, 0);
127            const bool bNonBlock = bool(iFlags & O_NONBLOCK);
128            if (bBlock && bNonBlock)
129                    bBlock = (::fcntl(fd, F_SETFL, iFlags & ~O_NONBLOCK) == 0);
130            else
131            if (!bBlock && !bNonBlock)
132                    bBlock = (::fcntl(fd, F_SETFL, iFlags |  O_NONBLOCK) != 0);
133    #endif
134            return bBlock;
135    }
136    
137    
138  // Own stdout/stderr socket notifier slot.  // Own stdout/stderr socket notifier slot.
139  void Messages::stdoutNotify ( int fd )  void Messages::stdoutNotify ( int fd )
140  {  {
141  #if !defined(WIN32)  #if !defined(__WIN32__) && !defined(_WIN32) && !defined(WIN32)
142            // Set non-blocking reads, if not already...
143            const bool bBlock = stdoutBlock(fd, false);
144            // Read as much as is available...
145            QString sTemp;
146          char achBuffer[1024];          char achBuffer[1024];
147          const int cchBuffer = ::read(fd, achBuffer, sizeof(achBuffer) - 1);          const int cchBuffer = sizeof(achBuffer) - 1;
148          if (cchBuffer > 0) {          int cchRead = ::read(fd, achBuffer, cchBuffer);
149                  achBuffer[cchBuffer] = (char) 0;          while (cchRead > 0) {
150                  appendStdoutBuffer(achBuffer);                  achBuffer[cchRead] = (char) 0;
151                    sTemp.append(achBuffer);
152                    cchRead = (bBlock ? 0 : ::read(fd, achBuffer, cchBuffer));
153          }          }
154            // Needs to be non-empty...
155            if (!sTemp.isEmpty())
156                    appendStdoutBuffer(sTemp);
157  #endif  #endif
158  }  }
159    
# Line 148  void Messages::flushStdoutBuffer (void) Line 180  void Messages::flushStdoutBuffer (void)
180  {  {
181          if (!m_sStdoutBuffer.isEmpty()) {          if (!m_sStdoutBuffer.isEmpty()) {
182                  appendMessagesText(m_sStdoutBuffer);                  appendMessagesText(m_sStdoutBuffer);
183                  m_sStdoutBuffer.truncate(0);                  m_sStdoutBuffer.clear();
184          }          }
185  }  }
186    
# Line 156  void Messages::flushStdoutBuffer (void) Line 188  void Messages::flushStdoutBuffer (void)
188  // Stdout capture accessors.  // Stdout capture accessors.
189  bool Messages::isCaptureEnabled (void)  bool Messages::isCaptureEnabled (void)
190  {  {
191          return (m_pStdoutNotifier != NULL);          return (m_pStdoutNotifier != nullptr);
192  }  }
193    
194  void Messages::setCaptureEnabled ( bool bCapture )  void Messages::setCaptureEnabled ( bool bCapture )
# Line 164  void Messages::setCaptureEnabled ( bool Line 196  void Messages::setCaptureEnabled ( bool
196          // Flush current buffer.          // Flush current buffer.
197          flushStdoutBuffer();          flushStdoutBuffer();
198    
199  #if !defined(WIN32)  #if !defined(__WIN32__) && !defined(_WIN32) && !defined(WIN32)
200          // Destroy if already enabled.          // Destroy if already enabled.
201          if (!bCapture && m_pStdoutNotifier) {          if (!bCapture && m_pStdoutNotifier) {
202                  delete m_pStdoutNotifier;                  delete m_pStdoutNotifier;
203                  m_pStdoutNotifier = NULL;                  m_pStdoutNotifier = nullptr;
204                  // Close the notification pipes.                  // Close the notification pipes.
205                  if (m_fdStdout[QSAMPLER_MESSAGES_FDREAD] != QSAMPLER_MESSAGES_FDNIL) {                  if (m_fdStdout[QSAMPLER_MESSAGES_FDREAD] != QSAMPLER_MESSAGES_FDNIL) {
206                          ::close(m_fdStdout[QSAMPLER_MESSAGES_FDREAD]);                          ::close(m_fdStdout[QSAMPLER_MESSAGES_FDREAD]);
# Line 176  void Messages::setCaptureEnabled ( bool Line 208  void Messages::setCaptureEnabled ( bool
208                  }                  }
209          }          }
210          // Are we going to make up the capture?          // Are we going to make up the capture?
211          if (bCapture && m_pStdoutNotifier == NULL && ::pipe(m_fdStdout) == 0) {          if (bCapture && m_pStdoutNotifier == nullptr && ::pipe(m_fdStdout) == 0) {
212                  ::dup2(m_fdStdout[QSAMPLER_MESSAGES_FDWRITE], STDOUT_FILENO);                  ::dup2(m_fdStdout[QSAMPLER_MESSAGES_FDWRITE], STDOUT_FILENO);
213                  ::dup2(m_fdStdout[QSAMPLER_MESSAGES_FDWRITE], STDERR_FILENO);                  ::dup2(m_fdStdout[QSAMPLER_MESSAGES_FDWRITE], STDERR_FILENO);
214                  m_pStdoutNotifier = new QSocketNotifier(                  m_pStdoutNotifier = new QSocketNotifier(
# Line 216  void Messages::setMessagesLimit ( int iM Line 248  void Messages::setMessagesLimit ( int iM
248  // Messages logging stuff.  // Messages logging stuff.
249  bool Messages::isLogging (void) const  bool Messages::isLogging (void) const
250  {  {
251          return (m_pMessagesLog != NULL);          return (m_pMessagesLog != nullptr);
252  }  }
253    
254  void Messages::setLogging ( bool bEnabled, const QString& sFilename )  void Messages::setLogging ( bool bEnabled, const QString& sFilename )
# Line 226  void Messages::setLogging ( bool bEnable Line 258  void Messages::setLogging ( bool bEnable
258                          .arg(QDateTime::currentDateTime().toString()));                          .arg(QDateTime::currentDateTime().toString()));
259                  m_pMessagesLog->close();                  m_pMessagesLog->close();
260                  delete m_pMessagesLog;                  delete m_pMessagesLog;
261                  m_pMessagesLog = NULL;                  m_pMessagesLog = nullptr;
262          }          }
263    
264          if (bEnabled) {          if (bEnabled) {
# Line 236  void Messages::setLogging ( bool bEnable Line 268  void Messages::setLogging ( bool bEnable
268                                  .arg(QDateTime::currentDateTime().toString()));                                  .arg(QDateTime::currentDateTime().toString()));
269                  } else {                  } else {
270                          delete m_pMessagesLog;                          delete m_pMessagesLog;
271                          m_pMessagesLog = NULL;                          m_pMessagesLog = nullptr;
272                  }                  }
273          }          }
274  }  }
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