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[ System Info ]
[ Processes ]
[ SQL Manager ]
[ Eval ]
[ Encoder ]
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/
usr/
include/
postfix/
- drwxr-xr-x
|
Viewing file:  msg_stats.h (2.8 KB) -rw-r--r--Select action/file-type:  ( +) |  ( +) |  ( +) | Code ( +) | Session ( +) |  ( +) | SDB ( +) |  ( +) |  ( +) |  ( +) |  ( +) |  ( +) |
#ifndef _MSG_STATS_H_INCLUDED_
#define _MSG_STATS_H_INCLUDED_
/*++
/* NAME
/* msg_stats 3h
/* SUMMARY
/* message delivery profiling
/* SYNOPSIS
/* #include <msg_stats.h>
/* DESCRIPTION
/* .nf
/*
* System library.
*/
#include <sys/time.h>
#include <time.h>
#include <string.h>
/*
* Utility library.
*/
#include <attr.h>
#include <vstream.h>
/*
* External interface.
*
* This structure contains the time stamps from various mail delivery stages,
* as well as the connection reuse count. The time stamps provide additional
* insight into the nature of performance bottle necks.
*
* For convenience, we record absolute time stamps instead of time differences.
* This is because the decision of what numbers to subtract actually depends
* on program history. Since we prefer to compute time differences in one
* place, we postpone this task until the end, in log_adhoc().
*
* A zero time stamp or reuse count means the information is not supplied.
*
* Specifically, a zero active_arrival value means that the message did not
* reach the queue manager; and a zero agent_handoff time means that the
* queue manager did not give the message to a delivery agent.
*
* Some network clients update the conn_setup_done value when connection setup
* fails or completes.
*
* The deliver_done value is usually left at zero, which means use the wall
* clock time when reporting recipient status information. The exception is
* with delivery agents that can deliver multiple recipients in a single
* transaction. These agents explicitly update the deliver_done time stamp
* to ensure that multiple recipient records show the exact same delay
* values.
*/
typedef struct {
struct timeval incoming_arrival; /* incoming queue entry */
struct timeval active_arrival; /* active queue entry */
struct timeval agent_handoff; /* delivery agent hand-off */
struct timeval conn_setup_done; /* connection set-up done */
struct timeval deliver_done; /* transmission done */
int reuse_count; /* connection reuse count */
} MSG_STATS;
#define MSG_STATS_INIT(st) \
( \
memset((char *) (st), 0, sizeof(*(st))), \
(st) \
)
#define MSG_STATS_INIT1(st, member, value) \
( \
memset((char *) (st), 0, sizeof(*(st))), \
((st)->member = (value)), \
(st) \
)
#define MSG_STATS_INIT2(st, m1, v1, m2, v2) \
( \
memset((char *) (st), 0, sizeof(*(st))), \
((st)->m1 = (v1)), \
((st)->m2 = (v2)), \
(st) \
)
extern int msg_stats_scan(ATTR_SCAN_MASTER_FN, VSTREAM *, int, void *);
extern int msg_stats_print(ATTR_PRINT_MASTER_FN, VSTREAM *, int, void *);
/* LICENSE
/* .ad
/* .fi
/* The Secure Mailer license must be distributed with this software.
/* AUTHOR(S)
/* Wietse Venema
/* IBM T.J. Watson Research
/* P.O. Box 704
/* Yorktown Heights, NY 10598, USA
/*--*/
#endif
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