* | Inspire Internet Relay Chat Daemon |
* +------------------------------------+
*
- * InspIRCd is copyright (C) 2002-2006 ChatSpike-Dev.
- * E-mail:
- * <brain@chatspike.net>
- * <Craig@chatspike.net>
+ * InspIRCd: (C) 2002-2007 InspIRCd Development Team
+ * See: http://www.inspircd.org/wiki/index.php/Credits
*
- * Written by Craig Edwards, Craig McLure, and others.
* This program is free but copyrighted software; see
* the file COPYING for details.
*
* ---------------------------------------------------
-*/
+ */
#ifndef __SOCKETENGINE__
#define __SOCKETENGINE__
/** Types of event an EventHandler may receive.
* EVENT_READ is a readable file descriptor,
* and EVENT_WRITE is a writeable file descriptor.
+ * EVENT_ERROR can always occur, and indicates
+ * a write error or read error on the socket,
+ * e.g. EOF condition or broken pipe.
*/
enum EventType
{
EVENT_READ = 0,
- EVENT_WRITE = 1
+ EVENT_WRITE = 1,
+ EVENT_ERROR = 2
};
class InspIRCd;
* must have a file descriptor. What this file descriptor
* is actually attached to is completely up to you.
*/
-class EventHandler : public Extensible
+class CoreExport EventHandler : public Extensible
{
protected:
/** File descriptor.
* is still added to a SocketEngine instance!
* If this function is unimplemented, the base class
* will return true.
- *
+ *
* NOTE: You cannot set both Readable() and
* Writeable() to true. If you wish to receive
* a write event for your object, you must call
* If this function is unimplemented, the base class
* will return false.
*
- * NOTE: You cannot set both Readable() and
+ * NOTE: You cannot set both Readable() and
* Writeable() to true. If you wish to receive
* a write event for your object, you must call
* SocketEngine::WantWrite() instead. This will
* @param et either one of EVENT_READ for read events,
* and EVENT_WRITE for write events.
*/
- virtual void HandleEvent(EventType et) = 0;
+ virtual void HandleEvent(EventType et, int errornum = 0) = 0;
+
+#ifdef WINDOWS
+
+ /** "Fake" file descriptor. This is windows-specific.
+ */
+ int m_internalFd;
+
+ /** Pointer to read event. We delete this so the buffer can't be used
+ * after the socket is deleted, and so it doesn't leak memory
+ */
+ void * m_readEvent;
+ void * m_writeEvent;
+ void * m_acceptEvent;
+
+#endif
};
/** Provides basic file-descriptor-based I/O support.
* have to be aware of which SocketEngine derived
* class they are using.
*/
-class SocketEngine : public Extensible
+class CoreExport SocketEngine : public Extensible
{
protected:
/** Owner/Creator
* and false if it failed. This does not free the
* EventHandler pointer using delete, if this is
* required you must do this yourself.
+ * Note on forcing deletes. DO NOT DO THIS! This is
+ * extremely dangerous and will most likely render the
+ * socketengine dead. This was added only for handling
+ * very rare cases where broken 3rd party libs destroys
+ * the OS socket beyond our control. If you can't explain
+ * in minute details why forcing is absolutely necessary
+ * then you don't need it. That was a NO!
* @param eh The event handler object to remove
+ * @param force *DANGEROUS* See method description!
* @return True if the event handler was removed
*/
- virtual bool DelFd(EventHandler* eh);
+ virtual bool DelFd(EventHandler* eh, bool force = false);
/** Returns true if a file descriptor exists in
* the socket engine's list.
* @param fd The event handler to look for
* @return True if this fd has an event handler
*/
- bool HasFd(int fd);
+ virtual bool HasFd(int fd);
/** Returns the EventHandler attached to a specific fd.
* If the fd isnt in the socketengine, returns NULL.
* @param fd The event handler to look for
* @return A pointer to the event handler, or NULL
*/
- EventHandler* GetRef(int fd);
+ virtual EventHandler* GetRef(int fd);
/** Waits for events and dispatches them to handlers.
* Please note that this doesnt wait long, only