From new_protocol branch.

1 files changed, 118 insertions, 0 deletions

diff --git a/server/src/inotify.h b/server/src/inotify.h
new file mode 100644
index 0000000..d63e384
--- /dev/null
+++ b/server/src/inotify.h
@@ -0,0 +1,118 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set et sw=2 ts=2: */
+/***************************************************************************
+ *            inotify.h
+ *
+ *  Wed Jan  6 09:58:47 CET 2010
+ *  Copyright 2010 Bent Bisballe Nyeng
+ *  deva@aasimon.org
+ ****************************************************************************/
+
+/*
+ *  This file is part of Pracro.
+ *
+ *  Pracro 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.
+ *
+ *  Pracro 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 Pracro; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA.
+ */
+#ifndef __PRACRO_INOTIFY_H__
+#define __PRACRO_INOTIFY_H__
+
+#include <sys/types.h>
+#include <sys/inotify.h>
+
+#include <string>
+#include <map>
+#include <list>
+
+typedef enum {
+  WATCH_SINGLE, // Watch only the specified directory.
+  WATCH_DEEP, // Watch all current subdirs as well
+  WATCH_DEEP_FOLLOW // Watch all current subdir as well as subdirs 
+                    // being created after the watch is initiated
+} depth_t;
+
+
+class INotify {
+public:
+  class Event {
+  public:
+    Event(struct inotify_event *event, std::string name);
+
+    bool isAttributeChangeEvent();
+    bool isCreateEvent();
+    bool isOpenEvent();
+    bool isCloseEvent();
+    bool isCloseWriteEvent();
+    bool isCloseNoWriteEvent();
+    bool isModifyEvent();
+    bool isAccessEvent();
+    bool isDeleteEvent();
+    bool isDeleteSelfEvent();
+    bool isIgnoredEvent();
+    bool isMoveSelfEvent();
+    bool isMovedFromEvent();
+    bool isMovedToEvent();
+
+    bool isDir();
+
+    std::string name();
+    std::string file();
+    uint32_t mask();
+    std::string maskstr();
+
+  private:
+    std::string _name;
+    std::string _file;
+    uint32_t _mask;
+  };
+
+  INotify();
+  ~INotify();
+
+  void addFile(std::string name, uint32_t mask = IN_ALL_EVENTS);
+
+  /**
+   * WARNING: If a directory is added with WATCH_DEEP_FOLLOW, newly 
+   * created folders will not be added to the watch before the next call
+   * to hasEvents or getNextEvent. thie means that any files created in
+   * that folder prior to htese calls will not be caught. This will need
+   * to be done mnually by a recursive scan.
+   */
+  void addDirectory(std::string name,
+                    depth_t depth = WATCH_SINGLE,
+                    uint32_t mask = IN_ALL_EVENTS);
+  void remove(std::string name);
+  void remove(int fd);
+
+  bool hasEvents();
+  Event getNextEvent();
+
+  void clear();
+
+private:
+  class Watch {
+  public:
+    std::string name;
+    uint32_t mask;
+    depth_t depth;
+  };
+
+  void readEvents();
+
+  int ifd;
+  std::map<int, Watch> dirmap;
+  std::list<Event> eventlist;
+};
+
+#endif/*__PRACRO_INOTIFY_H__*/