ReadOnly: add a new control to activate readonly lock capability for a database.

[sahlberg/ctdb.git] / client / ctdb_client.c

diff --git a/client/ctdb_client.c b/client/ctdb_client.c
index f9d5e24c5caf55b0c35e42df998052e008d66ec3..b3061a855c5e5a958037e70d88fc5412c549c90f 100644 (file)
--- a/client/ctdb_client.c
+++ b/client/ctdb_client.c
@@ -4593,3 +4593,45 @@ ctdb_ctrl_updaterecord(struct ctdb_context *ctdb, TALLOC_CTX *mem_ctx, struct ti
        return ctdb_ctrl_updaterecord_recv(ctdb, state);
 }
 
+
+
+
+
+
+/*
+  set a database to be readonly
+ */
+struct ctdb_client_control_state *
+ctdb_ctrl_set_db_readonly_send(struct ctdb_context *ctdb, uint32_t destnode, uint32_t dbid)
+{
+       TDB_DATA data;
+
+       data.dptr = (uint8_t *)&dbid;
+       data.dsize = sizeof(dbid);
+
+       return ctdb_control_send(ctdb, destnode, 0, 
+                          CTDB_CONTROL_SET_DB_READONLY, 0, data, 
+                          ctdb, NULL, NULL);
+}
+
+int ctdb_ctrl_set_db_readonly_recv(struct ctdb_context *ctdb, struct ctdb_client_control_state *state)
+{
+       int ret;
+       int32_t res;
+
+       ret = ctdb_control_recv(ctdb, state, ctdb, NULL, &res, NULL);
+       if (ret != 0 || res != 0) {
+         DEBUG(DEBUG_ERR,(__location__ " ctdb_ctrl_set_db_readonly_recv failed  ret:%d res:%d\n", ret, res));
+               return -1;
+       }
+
+       return 0;
+}
+
+int ctdb_ctrl_set_db_readonly(struct ctdb_context *ctdb, uint32_t destnode, uint32_t dbid)
+{
+       struct ctdb_client_control_state *state;
+
+       state = ctdb_ctrl_set_db_readonly_send(ctdb, destnode, dbid);
+       return ctdb_ctrl_set_db_readonly_recv(ctdb, state);
+}