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// -*- C++ -*-
//=============================================================================
/**
* @file Log_Record.h
*
* $Id$
*
* @author Douglas C. Schmidt <schmidt@cs.wustl.edu>
*/
//=============================================================================
// These need to go outside of the #ifdef to avoid problems with
// circular dependencies...
#include "ace/Log_Priority.h"
#ifndef ACE_LOG_RECORD_H
#define ACE_LOG_RECORD_H
#include /**/ "ace/pre.h"
#include "ace/ACE_export.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
#include "ace/Default_Constants.h"
#include "ace/Basic_Types.h"
#include "ace/iosfwd.h"
ACE_BEGIN_VERSIONED_NAMESPACE_DECL
class ACE_Time_Value;
/// Defines the structure of an ACE logging record.
class ACE_Export ACE_Log_Record
{
public:
enum
{
/// Maximum size of a logging message.
MAXLOGMSGLEN = ACE_MAXLOGMSGLEN,
/// Most restrictive alignment.
ALIGN_WORDB = 8,
/// Size used by verbose mode.
/// 20 (date) + 15 (host_name) + 10 (pid) + 10 (type)
/// + 4 (@) ... + ? (progname)
VERBOSE_LEN = 128,
/// Maximum size of a logging message with the verbose headers
MAXVERBOSELOGMSGLEN = VERBOSE_LEN + MAXLOGMSGLEN
};
// = Initialization
/**
* Create a <Log_Record> and set its priority, time stamp, and
* process id.
*/
ACE_Log_Record (void);
ACE_Log_Record (ACE_Log_Priority lp,
long time_stamp,
long pid);
ACE_Log_Record (ACE_Log_Priority lp,
const ACE_Time_Value &time_stamp,
long pid);
/// Default dtor.
~ACE_Log_Record (void);
/// Write the contents of the logging record to the appropriate
/// <FILE>.
int print (const ACE_TCHAR host_name[],
u_long verbose_flag,
#if !defined (ACE_HAS_WINCE)
FILE *fp = stderr);
#else
FILE *fp);
#endif /* ACE_HAS_WINCE */
#if !defined (ACE_LACKS_IOSTREAM_TOTALLY)
/// Write the contents of the logging record to the appropriate
/// <ostream>.
int print (const ACE_TCHAR host_name[],
u_long verbose_flag,
ACE_OSTREAM_TYPE &stream);
#endif /* ! ACE_LACKS_IOSTREAM_TOTALLY */
int format_msg (const ACE_TCHAR host_name[],
u_long verbose_flag,
ACE_TCHAR *verbose_msg);
/**
* Returns a character array with the string form of the
* <ACE_Log_Priority> parameter. This is used for the verbose
* printing format.
*/
static const ACE_TCHAR *priority_name (ACE_Log_Priority p);
// IMPORTANT: <name> must be a statically allocated const ACE_TCHAR*
static void priority_name (ACE_Log_Priority p,
const ACE_TCHAR *name);
// = Marshall/demarshall
/// Encode the <Log_Record> for transmission on the network.
void encode (void);
/// Decode the <Log_Record> received from the network.
void decode (void);
// = Set/get methods
/// Get the type of the <Log_Record>.
ACE_UINT32 type (void) const;
/// Set the type of the <Log_Record>.
void type (ACE_UINT32);
/**
* Get the priority of the <Log_Record> <type_>. This is computed
* as the base 2 logarithm of <type_> (which must be a power of 2,
* as defined by the enums in <ACE_Log_Priority>).
*/
u_long priority (void) const;
/// Set the priority of the <Log_Record> <type_> (which must be a
/// power of 2, as defined by the enums in <ACE_Log_Priority>).
void priority (u_long num);
/// Get the length of the <Log_Record>.
long length (void) const;
/// Set the length of the <Log_Record>.
void length (long);
/// Get the time stamp of the <Log_Record>.
ACE_Time_Value time_stamp (void) const;
/// Set the time stamp of the <Log_Record>.
void time_stamp (const ACE_Time_Value &ts);
/// Get the process id of the <Log_Record>.
long pid (void) const;
/// Set the process id of the <Log_Record>.
void pid (long);
/// Get the message data of the <Log_Record>.
const ACE_TCHAR *msg_data (void) const;
/// Set the message data of the <Log_Record>.
void msg_data (const ACE_TCHAR *data);
/// Get the size of the message data of the <Log_Record>, including
/// a byte for the NUL.
size_t msg_data_len (void) const;
/// Dump the state of an object.
void dump (void) const;
/// Declare the dynamic allocation hooks.
ACE_ALLOC_HOOK_DECLARE;
private:
/// Round up to the alignment restrictions.
void round_up (void);
/**
* Total length of the logging record in bytes. This field *must*
* come first in order for various IPC framing mechanisms to work
* correctly. In addition, the field must be an ACE_INT32 in order
* to be passed portably across platforms.
*/
ACE_INT32 length_;
/// Type of logging record.
ACE_UINT32 type_;
/// Time that the logging record was generated.
ACE_UINT32 secs_;
ACE_UINT32 usecs_;
/// Id of process that generated the logging record.
ACE_UINT32 pid_;
/// Logging record data
ACE_TCHAR msg_data_[MAXLOGMSGLEN + 1]; // Add one for NUL-terminator.
};
ACE_END_VERSIONED_NAMESPACE_DECL
#if defined (__ACE_INLINE__)
#include "ace/Log_Record.inl"
#endif /* __ACE_INLINE__ */
#include /**/ "ace/post.h"
#endif /* ACE_LOG_RECORD_H */
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