1 files changed, 66 insertions, 0 deletions
diff --git a/ace/Log_Msg_Backend.h b/ace/Log_Msg_Backend.h
new file mode 100644
index 00000000000..b87c771cacd
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+++ b/ace/Log_Msg_Backend.h
@@ -0,0 +1,66 @@
+// -*- C++ -*-
+// $Id$
+
+// ============================================================================
+//
+// = LIBRARY
+//    ace
+//
+// = FILENAME
+//    Log_Msg_Backend.h
+//
+// = AUTHOR
+//    Douglas C. Schmidt <schmidt@cs.wustl.edu>
+//
+// ============================================================================
+
+#ifndef ACE_LOG_MSG_BACKEND_H
+#define ACE_LOG_MSG_BACKEND_H
+#include "ace/pre.h"
+
+#include "ace/config-all.h"
+
+#if !defined (ACE_LACKS_PRAGMA_ONCE)
+# pragma once
+#endif /* ACE_LACKS_PRAGMA_ONCE */
+
+class ACE_Log_Record;
+
+/// Define the interface for ACE_Log_Msg backend strategies.
+/**
+ *
+ * The ACE_Log_Msg class can log to multiple backend strategies, for
+ * example, some send messages to a remote logger, others dump to a
+ * file, or simply to stderr.  In the future we could define
+ * interfaces that log to the syslog daemon (on UNIX), the Event log
+ * (on NT) a temporary ring buffer, etc.
+ */
+class ACE_Export ACE_Log_Msg_Backend
+{
+public:
+  /// No-op virtual destructor.
+  virtual ~ACE_Log_Msg_Backend (void);
+
+  /// Open a new connection
+  virtual int open (const ACE_TCHAR *logger_key) = 0;
+
+  /// Reset the backend.
+  /*
+   * When changing the logging destination the backend may need to
+   * properly disconnect from the remote logging daemon and reclaim
+   * some local resources.  But we try to reduce the number of local
+   * allocations/deallocations.
+   */
+  virtual int reset (void) = 0;
+
+  /// Close the Backend completely.
+  virtual int close (void) = 0;
+
+  /// Backend routine.  This is called when we want to log a message.
+  /// Since this routine is pure virtual, it must be overwritten by the
+  /// subclass.
+  virtual int log (ACE_Log_Record &log_record) = 0;
+};
+
+#include "ace/post.h"
+#endif /* ACE_LOG_MSG_BACKEND_H */