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/*
* The Spread Toolkit.
*
* The contents of this file are subject to the Spread Open-Source
* License, Version 1.0 (the ``License''); you may not use
* this file except in compliance with the License. You may obtain a
* copy of the License at:
*
* http://www.spread.org/license/
*
* or in the file ``license.txt'' found in this distribution.
*
* Software distributed under the License is distributed on an AS IS basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Creators of Spread are:
* Yair Amir, Michal Miskin-Amir, Jonathan Stanton.
*
* Copyright (C) 1993-2004 Spread Concepts LLC <spread@spreadconcepts.com>
*
* All Rights Reserved.
*
* Major Contributor(s):
* ---------------
* Cristina Nita-Rotaru crisn@cs.purdue.edu - group communication security.
* Theo Schlossnagle jesus@omniti.com - Perl, skiplists, autoconf.
* Dan Schoenblum dansch@cnds.jhu.edu - Java interface.
* John Schultz jschultz@cnds.jhu.edu - contribution to process group membership.
*
*/
#include <stdio.h>
#include "arch.h"
/* undef redefined variables under windows */
#ifdef ARCH_PC_WIN95
#undef EINTR
#undef EAGAIN
#undef EWOULDBLOCK
#undef EINPROGRESS
#endif
#include <errno.h>
#include <string.h>
#include "log.h"
#include "configuration.h"
#include "membership.h"
#include "prot_body.h"
#include "sp_events.h"
#include "alarm.h"
static int Is_inited = 0;
static sp_time alive_time;
static FILE *fd;
static proc My;
static void Log_alive(int dummy, void *dummy_p);
void Log_init()
{
long start_file_pos;
Is_inited = 1;
My = Conf_my();
fd = fopen( My.name, "a" );
if( fd == NULL )
Alarm( EXIT, "Log_init: error (%s) could not open file %s\n",strerror(errno), My.name );
start_file_pos = ftell(fd);
if (start_file_pos == -1)
Alarm( EXIT, "Log_init: failed to find end of file %s\n", My.name );
fclose(fd);
fd = fopen( My.name, "r+" );
if( fd == NULL )
Alarm( EXIT, "Log_init: error (%s) could not open file %s\n",strerror(errno), My.name );
fseek( fd, start_file_pos, SEEK_SET );
alive_time.sec = 10;
alive_time.usec = 0;
Log_alive(0, NULL);
fprintf( fd, "B %13ld\n",E_get_time().sec );
fflush( fd );
}
static void Log_alive(int dummy, void *dummy_p)
{
long file_pos;
if( !Is_inited ) return;
#if ( SPREAD_PROTOCOL == 3 )
fprintf( fd, "A %13ld %11d\n",E_get_time().sec, Highest_seq );
#else
fprintf( fd, "A %13ld \n",E_get_time().sec );
#endif
if( fseek( fd, -28, SEEK_CUR ) )
Alarm( EXIT, "Log_alive: error (%s) in fseek -28 on %s\n", strerror(errno), My.name);
file_pos = ftell(fd);
if( fseek( fd, 28, SEEK_CUR ) )
Alarm( EXIT, "Log_alive: error (%s) in fseek 28 on %s\n", strerror(errno), My.name);
fclose(fd);
fd = fopen( My.name, "r+" );
if( fd == NULL )
Alarm( EXIT, "Log_alive: error (%s) could not open file %s\n",strerror(errno), My.name );
if( fseek( fd, file_pos, SEEK_SET ) )
Alarm( EXIT, "Log_alive: error (%s) in fseek file_pos (%ld) on %s\n", strerror(errno), file_pos, My.name);
E_queue( Log_alive, 0, NULL, alive_time );
}
void Log_membership()
{
configuration Cn;
int32 proc_id;
proc dummy_p;
int i,j;
int found;
if( !Is_inited ) return;
#if ( SPREAD_PROTOCOL == 3 )
fprintf( fd, "M %13ld %13d %11d > ",
E_get_time().sec, Memb_id().time, Highest_seq );
#else
fprintf( fd, "M %13ld %13d > ",
E_get_time().sec, Memb_id_for_Network().time );
#endif
found = -1;
Cn= Conf();
for( i=0; i < Conf().num_segments; i++ )
{
for( j=0; j < Cn.segments[i].num_procs; j++ )
{
proc_id = Cn.segments[i].procs[j]->id;
if( Conf_id_in_conf( Memb_active_ptr(), proc_id ) != -1 )
{
if( found == -1 ) found = Conf_proc_by_id( proc_id, &dummy_p );
fprintf( fd, " %2d", found );
}else fprintf( fd, " --" );
}
}
fprintf( fd, "\n");
Log_alive(0, NULL);
}
void Log_sess_connect( mailbox mbox, int32 address, char *private_group )
{
char ip[16];
if( !Is_inited ) return;
Conf_id_to_str( address, ip );
#if ( SPREAD_PROTOCOL == 3 )
fprintf( fd, "C %13ld %11d %3d %-16s %-10s\n",
E_get_time().sec, Highest_seq, mbox, ip, private_group );
#else
fprintf( fd, "C %13ld %3d %-16s %-10s\n",
E_get_time().sec, mbox, ip, private_group );
#endif
Log_alive(0, NULL);
}
void Log_sess_disconnect( mailbox mbox, int32 address, char *private_group, int num_mess )
{
char ip[16];
if( !Is_inited ) return;
Conf_id_to_str( address, ip );
#if ( SPREAD_PROTOCOL == 3 )
fprintf( fd, "D %13ld %11d %3d %-16s %-10s %d\n",
E_get_time().sec, Highest_seq, mbox, ip, private_group, num_mess );
#else
fprintf( fd, "D %13ld %3d %-16s %-10s %d\n",
E_get_time().sec, mbox, ip, private_group, num_mess );
#endif
Log_alive(0, NULL);
}
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