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/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
/***
This file is part of systemd .
Copyright 2011 Lennart Poettering
systemd is free software ; you can redistribute it and / or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation ; either version 2 of the License , or
( at your option ) any later version .
systemd is distributed in the hope that it will be useful , but
WITHOUT ANY WARRANTY ; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE . See the GNU
General Public License for more details .
You should have received a copy of the GNU General Public License
along with systemd ; If not , see < http : //www.gnu.org/licenses/>.
* * */
# include <fcntl.h>
# include <errno.h>
# include <stddef.h>
# include "journal-private.h"
int main ( int argc , char * argv [ ] ) {
int r ;
JournalFile * f ;
Object * o = NULL ;
log_parse_environment ( ) ;
log_open ( ) ;
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r = journal_file_open ( " /var/log/journal/system.journal " , O_RDONLY , 0644 , & f ) ;
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if ( r = = - ENOENT )
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r = journal_file_open ( " /run/log/journal/system.journal " , O_RDONLY , 0644 , & f ) ;
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if ( r < 0 ) {
log_error ( " Failed to open journal: %s " , strerror ( - r ) ) ;
return EXIT_FAILURE ;
}
for ( ; ; ) {
uint64_t offset ;
uint64_t n , i ;
r = journal_file_next_entry ( f , o , & o , & offset ) ;
if ( r < 0 ) {
log_error ( " Failed to read journal: %s " , strerror ( - r ) ) ;
goto finish ;
}
if ( r = = 0 )
break ;
printf ( " entry: %llu \n " , ( unsigned long long ) le64toh ( o - > entry . seqnum ) ) ;
n = journal_file_entry_n_items ( o ) ;
for ( i = 0 ; i < n ; i + + ) {
uint64_t p , l ;
p = le64toh ( o - > entry . items [ i ] . object_offset ) ;
r = journal_file_move_to_object ( f , p , & o ) ;
if ( r < 0 ) {
log_error ( " Failed to move to data: %s " , strerror ( - r ) ) ;
goto finish ;
}
if ( le64toh ( o - > object . type ) ! = OBJECT_DATA ) {
log_error ( " Invalid file " ) ;
goto finish ;
}
l = o - > object . size - offsetof ( Object , data . payload ) ;
printf ( " \t [%.*s] \n " , ( int ) l , o - > data . payload ) ;
r = journal_file_move_to_object ( f , offset , & o ) ;
if ( r < 0 ) {
log_error ( " Failed to move back to entry: %s " , strerror ( - r ) ) ;
goto finish ;
}
}
}
finish :
journal_file_close ( f ) ;
return 0 ;
}