added: notifications to users' emails

(core/notify.h core/notify.cpp)
       templatesnotify directory
       all notifications are managed by a second thread


git-svn-id: svn://ttmath.org/publicrep/cmslu/trunk@512 e52654a7-88a9-db11-a3e9-0013d4bc506e

core/notify.h

@@ -0,0 +1,76 @@
+/*
+ * This file is a part of CMSLU -- Content Management System like Unix
+ * and is not publicly distributed
+ * 
+ * Copyright (c) 2008-2009, Tomasz Sowa
+ * All rights reserved.
+ * 
+ */
+ 
+#ifndef headerfilecmslunotify
+#define headerfilecmslunotify
+
+#include <list>
+#include <string>
+#include <cstdio>
+#include "../templatesnotify/templatesnotify.h"
+
+
+#define CMSLU_NOTIFY_ITEM_ADD		1
+#define CMSLU_NOTIFY_ITEM_EDIT		2
+#define CMSLU_NOTIFY_ITEM_DELETE 	4
+#define CMSLU_NOTIFY_DIR_ADD		8
+
+
+
+class Notify
+{
+public:
+
+	Notify();
+	~Notify();
+
+	bool Init(const std::string & tdir);
+	
+	/*
+		this method added an item to our special pool
+		the pool is used by a second thread
+	*/
+	void ItemChanged(int notify_code);
+
+
+private:
+
+
+	static void * ThreadRoutine(void * arg);
+	bool Lock();
+	void Unlock();
+	static void CheckQueue();
+	static void SendEmail(NotifyMsg & n);
+	static void SendEmail(const std::string & email);
+	static void SendEmail(const std::string & email, const std::string & message);
+	static void SendMessage(FILE * sendmail, const std::string & message);
+	void CreateItemDir(std::string & dir, bool clear = true);
+	void CreateItemLink(std::string & link);
+
+	pthread_t thread;
+	pthread_mutex_t mutex;
+	NotifyMsg n;
+
+
+	/*
+		objects accessed by the second thread
+	*/
+	std::list<NotifyMsg> notify_pool;
+	static Notify * obj;
+	std::string command;
+	std::string templates_dir;
+	TemplatesNotify templates_notify;
+
+};
+
+
+extern Notify notify;
+
+
+#endif