static int
server_init(int argc, char *argv[])
{
int rc;
uint32_t flags = CRT_FLAG_BIT_SERVER | CRT_FLAG_BIT_LM_DISABLE;
d_rank_t rank = -1;
uint32_t size = -1;
rc = daos_debug_init(NULL);
if (rc != 0)
return rc;
rc = register_dbtree_classes();
if (rc != 0)
D_GOTO(exit_debug_init, rc);
/** initialize server topology data */
rc = dss_topo_init();
if (rc != 0)
D_GOTO(exit_debug_init, rc);
rc = abt_init(argc, argv);
if (rc != 0)
goto exit_debug_init;
/* initialize the modular interface */
rc = dss_module_init();
if (rc)
goto exit_abt_init;
D_INFO("Module interface successfully initialized\n");
/* initialize the network layer */
if (sys_map_path != NULL)
flags |= CRT_FLAG_BIT_PMIX_DISABLE;
rc = crt_init_opt(server_group_id, flags,
daos_crt_init_opt_get(true, DSS_CTX_NR_TOTAL));
if (rc)
D_GOTO(exit_mod_init, rc);
if (sys_map_path != NULL) {
if (self_rank == -1) {
D_ERROR("self rank required\n");
D_GOTO(exit_crt_init, rc = -DER_INVAL);
}
rc = crt_rank_self_set(self_rank);
if (rc != 0)
D_ERROR("failed to set self rank %u: %d\n", self_rank,
rc);
rc = dss_sys_map_load(sys_map_path, server_group_id, self_rank,
DSS_CTX_NR_TOTAL);
if (rc) {
D_ERROR("failed to load %s: %d\n", sys_map_path, rc);
D_GOTO(exit_crt_init, rc);
}
}
D_INFO("Network successfully initialized\n");
rc = crt_group_rank(NULL, &rank);
D_ASSERTF(rc == 0, "%d\n", rc);
if (sys_map_path != NULL)
D_ASSERTF(rank == self_rank, "%u == %u\n", rank, self_rank);
rc = crt_group_size(NULL, &size);
D_ASSERTF(rc == 0, "%d\n", rc);
/* rank 0 save attach info for singleton client if needed */
if (save_attach_info && rank == 0) {
if (attach_info_path != NULL) {
rc = crt_group_config_path_set(attach_info_path);
if (rc != 0) {
D_ERROR("crt_group_config_path_set(path %s) "
"failed, rc: %d.\n", attach_info_path,
rc);
D_GOTO(exit_mod_init, rc);
}
}
rc = crt_group_config_save(NULL, true);
if (rc)
D_GOTO(exit_mod_init, rc);
D_INFO("server group attach info saved\n");
}
ds_iv_init();
/* load modules */
rc = modules_load(&dss_mod_facs);
if (rc)
/* Some modules may have been loaded successfully. */
D_GOTO(exit_mod_loaded, rc);
D_INFO("Module %s successfully loaded\n", modules);
/* start up service */
rc = dss_srv_init();
if (rc) {
D_ERROR("DAOS cannot be initialized using the configured "
"path (%s). Please ensure it is on a PMDK compatible "
"file system and writeable by the current user\n",
dss_storage_path);
D_GOTO(exit_mod_loaded, rc);
}
D_INFO("Service is now running\n");
if (dss_mod_facs & DSS_FAC_LOAD_CLI) {
rc = daos_init();
if (rc) {
D_ERROR("daos_init (client) failed, rc: %d.\n", rc);
D_GOTO(exit_srv_init, rc);
}
D_INFO("Client stack enabled\n");
} else {
rc = daos_hhash_init();
if (rc) {
D_ERROR("daos_hhash_init failed, rc: %d.\n", rc);
D_GOTO(exit_srv_init, rc);
}
D_INFO("daos handle hash-table initialized\n");
}
/* server-side uses D_HTYPE_PTR handle */
d_hhash_set_ptrtype(daos_ht.dht_hhash);
rc = drpc_init();
if (rc != 0) {
D_ERROR("Failed to initialize dRPC: %d\n", rc);
goto exit_daos_fini;
}
rc = dss_module_setup_all();
if (rc != 0)
goto exit_drpc_fini;
D_INFO("Modules successfully set up\n");
D_PRINT("DAOS I/O server (v%s) process %u started on rank %u "
"(out of %u) with %u target xstream set(s), %d helper XS "
"per target, firstcore %d.\n",
DAOS_VERSION, getpid(), rank, size, dss_tgt_nr,
dss_tgt_offload_xs_nr, dss_core_offset);
return 0;
exit_drpc_fini:
drpc_fini();
exit_daos_fini:
if (dss_mod_facs & DSS_FAC_LOAD_CLI)
daos_fini();
else
daos_hhash_fini();
exit_srv_init:
dss_srv_fini(true);
exit_mod_loaded:
dss_module_unload_all();
ds_iv_fini();
exit_crt_init:
crt_finalize();
exit_mod_init:
dss_module_fini(true);
exit_abt_init:
abt_fini();
exit_debug_init:
daos_debug_fini();
return rc;
}
/* Initializes T as an empty tower. */
void
tower_init (struct tower *t)
{
abt_init (&t->abt, NULL, reaugment_tower_node, NULL);
t->cache_bottom = ULONG_MAX;
}
