int main(int argc, char **argv)
{
rados_t cluster;
char cluster_name[] = "ceph";
char user_name[] = "client.admin";
APPNAME = &argv[0][2];
uint64_t flags;
int err;
/* Initialize the cluster handle */
err = rados_create2(&cluster, cluster_name, user_name, flags);
// err = rados_create(&cluster, NULL);
error_print(err, "Couldn't create the cluster handle!", "Created a cluster handle.");
/* Read a Ceph configuration file to configure the cluster handle. */
err = rados_conf_read_file(cluster, "/etc/ceph/ceph.conf");
error_print(err, "Cannot read config file!", "Read the config file.");
/* Connect to the cluster */
err = rados_connect(cluster);
error_print(err, "Cannot connect to cluster!", "Connected to the cluster.");
/* List pools. */
char buf[1024];
err = rados_pool_list(cluster, buf, 1024);
split_str(buf, 1024);
error_print(err, "Cannot list pools!", buf);
/* List pool stats */
char *poolname = strtok(buf, ",");
while(poolname != NULL)
{
rados_ioctx_t io;
struct rados_pool_stat_t stats;
err = rados_ioctx_create(cluster, poolname, &io);
error_print(err, "Cannot create IO context!", "IO context created.");
err = rados_ioctx_pool_stat(io, &stats);
error_print(err, "Cannot list pool stats!", "Pool stats listed.");
printf("[%s][%s]: Number of read: %"PRIu64"\n", APPNAME, poolname, stats.num_rd);
printf("[%s][%s]: Number of read in kb: %"PRIu64"\n", APPNAME, poolname, stats.num_rd_kb);
printf("[%s][%s]: Number of write: %"PRIu64"\n", APPNAME, poolname, stats.num_wr);
printf("[%s][%s]: Number of write in kb: %"PRIu64"\n", APPNAME, poolname, stats.num_wr_kb);
rados_ioctx_destroy(io);
poolname = strtok(NULL, ",");
}
/* Shut down the cluster */
rados_shutdown(cluster);
printf("[%s]: Cluster shut down.\n", APPNAME);
}
int
main(int argc, const char **argv)
{
/* Declare the cluster handle and required arguments. */
rados_t cluster;
char cluster_name[] = "ceph";
char user_name[] = "client.admin";
uint64_t flags;
/* Initialize the cluster handle with the "ceph" cluster name and the "client.admin" user */
int err;
err = rados_create2(&cluster, cluster_name, user_name, flags);
//err = rados_create(&cluster, cluster_name);
//err = rados_create(&cluster, "admin");
if (err < 0) {
fprintf(stderr, "%s: Couldn't create the cluster handle! %s\n", argv[0], strerror(-err));
exit(-1);
} else {
printf("\nCreated a cluster handle.\n");
}
/* Read a Ceph configuration file to configure the cluster handle. */
err = rados_conf_read_file(cluster, "/etc/ceph/ceph.conf");
if (err < 0) {
fprintf(stderr, "%s: cannot read config file: %s\n", argv[0], strerror(-err));
exit(-1);
} else {
printf("\nRead the config file.\n");
}
#if 0
/* Read command line arguments */
err = rados_conf_parse_argv(cluster, argc, argv);
if (err < 0) {
fprintf(stderr, "%s: cannot parse command line arguments: %s\n", argv[0], strerror(-err));
exit(EXIT_FAILURE);
} else {
printf("\nRead the command line arguments.\n");
}
#endif
/* Connect to the cluster */
err = rados_connect(cluster);
if (err < 0) {
fprintf(stderr, "%s: cannot connect to cluster: %s\n", argv[0], strerror(-err));
exit(EXIT_FAILURE);
} else {
printf("\nConnected to the cluster.\n");
}
}
static int ctdb_mutex_rados_ctx_create(const char *ceph_cluster_name,
const char *ceph_auth_name,
const char *pool_name,
rados_t *_ceph_cluster,
rados_ioctx_t *_ioctx)
{
rados_t ceph_cluster = NULL;
rados_ioctx_t ioctx = NULL;
int ret;
ret = rados_create2(&ceph_cluster, ceph_cluster_name, ceph_auth_name, 0);
if (ret < 0) {
fprintf(stderr, "%s: failed to initialise Ceph cluster %s as %s"
" - (%s)\n", progname, ceph_cluster_name, ceph_auth_name,
strerror(-ret));
return ret;
}
/* path=NULL tells librados to use default locations */
ret = rados_conf_read_file(ceph_cluster, NULL);
if (ret < 0) {
fprintf(stderr, "%s: failed to parse Ceph cluster config"
" - (%s)\n", progname, strerror(-ret));
rados_shutdown(ceph_cluster);
return ret;
}
ret = rados_connect(ceph_cluster);
if (ret < 0) {
fprintf(stderr, "%s: failed to connect to Ceph cluster %s as %s"
" - (%s)\n", progname, ceph_cluster_name, ceph_auth_name,
strerror(-ret));
rados_shutdown(ceph_cluster);
return ret;
}
ret = rados_ioctx_create(ceph_cluster, pool_name, &ioctx);
if (ret < 0) {
fprintf(stderr, "%s: failed to create Ceph ioctx for pool %s"
" - (%s)\n", progname, pool_name, strerror(-ret));
rados_shutdown(ceph_cluster);
return ret;
}
*_ceph_cluster = ceph_cluster;
*_ioctx = ioctx;
return 0;
}
