gfarm_error_t
gfs_statfsnode(char *host, int port,
gfarm_int32_t *bsize, gfarm_off_t *blocks, gfarm_off_t *bfree,
gfarm_off_t *bavail, gfarm_off_t *files, gfarm_off_t *ffree,
gfarm_off_t *favail)
{
gfarm_error_t e;
struct gfm_connection *gfm_server;
struct gfs_connection *gfs_server;
int retry = 0;
for (;;) {
if ((e = gfm_client_connection_and_process_acquire(
gfarm_metadb_server_name, gfarm_metadb_server_port,
&gfm_server)) != GFARM_ERR_NO_ERROR)
return (e);
if ((e = gfs_client_connection_acquire_by_host(gfm_server,
host, port, &gfs_server, NULL))!= GFARM_ERR_NO_ERROR)
goto free_gfm_connection;
if (gfs_client_pid(gfs_server) == 0)
e = gfarm_client_process_set(gfs_server, gfm_server);
if (e == GFARM_ERR_NO_ERROR) {
/* "/" is actually not used */
e = gfs_client_statfs(gfs_server, "/", bsize, blocks,
bfree, bavail, files, ffree, favail);
if (gfs_client_is_connection_error(e) && ++retry<=1) {
gfs_client_connection_free(gfs_server);
continue;
}
}
break;
}
gfs_client_connection_free(gfs_server);
free_gfm_connection:
gfm_client_connection_free(gfm_server);
return (e);
}
/* XXX FIXME */
static gfarm_error_t
gfs_replicate_from_to_internal(GFS_File gf, char *srchost, int srcport,
char *dsthost, int dstport)
{
gfarm_error_t e;
struct gfm_connection *gfm_server = gfs_pio_metadb(gf);
struct gfs_connection *gfs_server;
int nretry = 1, gfsd_retried = 0, failover_retried = 0;
retry:
gfm_server = gfs_pio_metadb(gf);
if ((e = gfs_client_connection_and_process_acquire(
&gfm_server, dsthost, dstport, &gfs_server, NULL))
!= GFARM_ERR_NO_ERROR) {
gflog_debug(GFARM_MSG_1001388,
"acquirement of client connection failed: %s",
gfarm_error_string(e));
return (e);
}
e = gfs_client_replica_add_from(gfs_server, srchost, srcport,
gfs_pio_fileno(gf));
gfs_client_connection_free(gfs_server);
if (e != GFARM_ERR_NO_ERROR) {
gflog_debug(GFARM_MSG_1003878,
"gfs_client_replica_add_from: %s",
gfarm_error_string(e));
if (nretry-- > 0) {
if (gfs_client_is_connection_error(e)) {
gfsd_retried = 1;
goto retry;
}
if (gfs_pio_should_failover(gf, e)) {
if ((e = gfs_pio_failover(gf))
!= GFARM_ERR_NO_ERROR) {
gflog_debug(GFARM_MSG_1003879,
"gfs_pio_failover: %s",
gfarm_error_string(e));
} else {
failover_retried = 1;
goto retry;
}
}
}
}
if ((e == GFARM_ERR_ALREADY_EXISTS || e == GFARM_ERR_FILE_BUSY) &&
(gfsd_retried || failover_retried)) {
gflog_warning(GFARM_MSG_1003453,
"error ocurred at retry for the operation after "
"connection to %s, "
"so the operation possibly succeeded in the server."
" error='%s'",
gfsd_retried && failover_retried ?
"gfsd was disconnected and connection to "
"gfmd was failed over" :
gfsd_retried ?
"gfsd was disconnected" :
"gfmd was failed over" ,
gfarm_error_string(e));
}
return (e);
}
