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/*
Copyright (c) 2019 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 5 seconds (just print the file names)
*
* Compile it using:
* gcc -o getchanges `pkg-config --cflags libgfchangelog` get-changes.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"
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,
};
ret = gf_changelog_init(NULL);
if (ret) {
printf("-1");
fflush(stdout);
return -1;
}
/* get changes for brick "/d/backends/patchy0" */
ret = gf_changelog_register("/d/backends/patchy0", "/tmp/scratch_v1",
"/var/log/glusterfs/changes.log", 9, 5);
if (ret) {
printf("-2");
fflush(stdout);
return -1;
}
while (1) {
i = 0;
nr_changes = gf_changelog_scan();
if (nr_changes < 0) {
printf("-4");
fflush(stdout);
return -1;
}
if (nr_changes == 0)
goto next;
while ((changes = gf_changelog_next_change(fbuf, PATH_MAX)) > 0) {
/* process changelog */
/* ... */
/* ... */
/* ... */
/* done processing */
ret = gf_changelog_done(fbuf);
if (ret) {
printf("-5");
fflush(stdout);
return -1;
}
}
if (changes == -1) {
printf("-6");
fflush(stdout);
return -1;
}
next:
sleep(2);
}
out:
printf("0");
fflush(stdout);
return ret;
}
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