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578a1b1757
This matches what the older client code and samba does. Signed-off-by: Amitay Isaacs <amitay@gmail.com> Reviewed-by: Martin Schwenke <martin@meltin.net>
138 lines
3.1 KiB
C
138 lines
3.1 KiB
C
/*
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CTDB client code
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Copyright (C) Amitay Isaacs 2015
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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#include "replace.h"
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#include "system/network.h"
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#include "system/filesys.h"
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#include <talloc.h>
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#include <tevent.h>
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#include <tdb.h>
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#include "common/logging.h"
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#include "lib/util/debug.h"
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#include "protocol/protocol.h"
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#include "protocol/protocol_api.h"
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#include "client/client_private.h"
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#include "client/client.h"
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#include "client/client_sync.h"
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int list_of_nodes(struct ctdb_node_map *nodemap,
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uint32_t flags_mask, uint32_t exclude_pnn,
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TALLOC_CTX *mem_ctx, uint32_t **pnn_list)
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{
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int num_nodes = 0;
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uint32_t *list;
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int i;
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/* Allocate the list of same number of nodes */
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list = talloc_array(mem_ctx, uint32_t, nodemap->num);
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if (list == NULL) {
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return -1;
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}
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for (i=0; i<nodemap->num; i++) {
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if (nodemap->node[i].flags & flags_mask) {
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continue;
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}
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if (nodemap->node[i].pnn == exclude_pnn) {
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continue;
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}
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list[num_nodes] = nodemap->node[i].pnn;
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num_nodes++;
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}
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*pnn_list = list;
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return num_nodes;
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}
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int list_of_active_nodes(struct ctdb_node_map *nodemap, uint32_t exclude_pnn,
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TALLOC_CTX *mem_ctx, uint32_t **pnn_list)
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{
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return list_of_nodes(nodemap, NODE_FLAGS_INACTIVE, exclude_pnn,
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mem_ctx, pnn_list);
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}
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int list_of_connected_nodes(struct ctdb_node_map *nodemap,
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uint32_t exclude_pnn,
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TALLOC_CTX *mem_ctx, uint32_t **pnn_list)
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{
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return list_of_nodes(nodemap, NODE_FLAGS_DISCONNECTED, exclude_pnn,
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mem_ctx, pnn_list);
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}
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struct ctdb_server_id ctdb_client_get_server_id(
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struct ctdb_client_context *client,
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uint32_t task_id)
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{
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struct ctdb_server_id sid;
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sid.pid = getpid();
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sid.task_id = task_id;
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sid.vnn = ctdb_client_pnn(client);
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sid.unique_id = task_id;
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sid.unique_id = (sid.unique_id << 32) | sid.pid;
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return sid;
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}
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bool ctdb_server_id_equal(struct ctdb_server_id *sid1,
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struct ctdb_server_id *sid2)
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{
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if (sid1->pid != sid2->pid) {
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return false;
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}
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if (sid1->task_id != sid2->task_id) {
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return false;
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}
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if (sid1->vnn != sid2->vnn) {
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return false;
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}
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if (sid1->unique_id != sid2->unique_id) {
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return false;
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}
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return true;
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}
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int ctdb_server_id_exists(TALLOC_CTX *mem_ctx, struct tevent_context *ev,
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struct ctdb_client_context *client,
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struct ctdb_server_id *sid, bool *exists)
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{
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int result;
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int ret;
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ret = ctdb_ctrl_process_exists(mem_ctx, ev, client, sid->vnn,
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tevent_timeval_zero(),
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sid->pid, &result);
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if (ret != 0) {
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return ret;
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}
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if (result == 1) {
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*exists = true;
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} else {
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*exists = false;
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}
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return 0;
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}
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