blob: 73e90d8b8ff59e33e583c1610063e9119eda9600 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
|
// -*- C++ -*-
//=============================================================================
/**
* @file Log_Msg_Backend.h
*
* $Id$
*
* @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;
/**
* @class ACE_Log_Msg_Backend
*
* @brief 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 */
|
