Initial commit.

ircDDB/IRCMessageQueue.cpp

@@ -0,0 +1,137 @@
+/*
+
+CIRCDDB - ircDDB client library in C++
+
+Copyright (C) 2010   Michael Dirska, DL1BFF (dl1bff@mdx.de)
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 2 of the License, or
+(at your option) any later version.
+
+This program 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 General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+*/
+
+#include "IRCMessageQueue.h"
+
+
+IRCMessageQueue::IRCMessageQueue()
+{
+  eof = false;
+  first = NULL;
+  last = NULL;
+
+}
+
+IRCMessageQueue::~IRCMessageQueue()
+{
+  while (messageAvailable())
+  {
+    IRCMessage * m = getMessage();
+
+    delete m;
+  }
+}
+
+
+bool IRCMessageQueue::isEOF()
+{
+  return eof;
+}
+
+
+void IRCMessageQueue::signalEOF()
+{
+  eof = true;
+}
+
+
+bool IRCMessageQueue::messageAvailable()
+{
+  wxMutexLocker lock(accessMutex);
+
+  return (first != NULL);
+}
+
+
+IRCMessage * IRCMessageQueue::peekFirst()
+{
+  wxMutexLocker lock(accessMutex);
+
+  IRCMessageQueueItem * k = first;
+
+  if ( k == NULL )
+  {
+    return NULL;
+  }
+
+  return k->msg;
+}
+
+
+IRCMessage * IRCMessageQueue::getMessage()
+{
+  wxMutexLocker lock(accessMutex);
+
+  IRCMessageQueueItem * k;
+
+  if (first == NULL)
+  {
+	  return NULL;
+  }
+
+  k = first;
+
+  first = k -> next;
+
+  if (k -> next == NULL)
+  {
+	  last = NULL;
+  }
+  else
+  {
+	  k -> next -> prev = NULL;
+  }
+
+
+  IRCMessage * msg = k -> msg;
+
+  delete k;
+
+  return msg;
+}
+
+
+void IRCMessageQueue::putMessage( IRCMessage * m )
+{
+  wxMutexLocker lock(accessMutex);
+
+  // wxLogVerbose(wxT("IRCMessageQueue::putMessage"));
+
+  IRCMessageQueueItem * k = new IRCMessageQueueItem(m);
+
+  k -> prev = last;
+  k -> next = NULL;
+
+  if (last == NULL)
+  {
+	  first = k;
+  }
+  else
+  {
+	  last -> next = k;
+  }
+
+  last = k;
+}
+
+
+
+