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/*
Copyright (c) 2013 Red Hat, Inc. <http://www.redhat.com>
This file is part of GlusterFS.
This file is licensed to you under your choice of the GNU Lesser
General Public License, version 3 or any later version (LGPLv3 or
later), or the GNU General Public License, version 2 (GPLv2), in all
cases as published by the Free Software Foundation.
*/
/**
* get set of new changes every 10 seconds (just print the file names)
*
* Compile it using:
* gcc -o gethistory `pkg-config --cflags libgfchangelog` get-history.c \
* `pkg-config --libs libgfchangelog`
*/
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/un.h>
#include <limits.h>
#include <sys/socket.h>
#include <sys/types.h>
#include <errno.h>
#include "changelog.h"
#define handle_error(fn) printf("%s (reason: %s)\n", fn, strerror(errno))
int
main(int argc, char **argv)
{
int i = 0;
int ret = 0;
ssize_t nr_changes = 0;
ssize_t changes = 0;
char fbuf[PATH_MAX] = {
0,
};
unsigned long end_ts = 0;
ret = gf_changelog_init(NULL);
if (ret) {
handle_error("init failed");
goto out;
}
ret = gf_changelog_register("/export/z1/zwoop", "/tmp/scratch_v1",
"/tmp/changes.log", 9, 5);
if (ret) {
handle_error("register failed");
goto out;
}
int a, b;
printf("give the two numbers start and end\t");
scanf("%d%d", &a, &b);
ret = gf_history_changelog("/export/z1/zwoop/.glusterfs/changelogs", a, b,
3, &end_ts);
if (ret == -1) {
printf("history failed");
goto out;
}
printf("end time till when changelog available : %d , ret(%d) \t", end_ts,
ret);
fflush(stdout);
while (1) {
nr_changes = gf_history_changelog_scan();
printf("scanned, nr_changes : %d\n", nr_changes);
if (nr_changes < 0) {
handle_error("scan(): ");
break;
}
if (nr_changes == 0) {
printf("done scanning \n");
goto out;
}
printf("Got %ld changelog files\n", nr_changes);
while ((changes = gf_history_changelog_next_change(fbuf, PATH_MAX)) >
0) {
printf("changelog file [%d]: %s\n", ++i, fbuf);
/* process changelog */
/* ... */
/* ... */
/* ... */
/* done processing */
ret = gf_history_changelog_done(fbuf);
if (ret)
handle_error("gf_changelog_done");
}
/*
if (changes == -1)
handle_error ("gf_changelog_next_change");
if (nr_changes ==1){
printf("continue scanning\n");
}
if(nr_changes == 0){
printf("done scanning \n");
goto out;
}
*/
}
out:
return ret;
}
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