diff options
Diffstat (limited to 'source4/cluster/ctdb/common/ctdb_message.c')
-rw-r--r-- | source4/cluster/ctdb/common/ctdb_message.c | 111 |
1 files changed, 0 insertions, 111 deletions
diff --git a/source4/cluster/ctdb/common/ctdb_message.c b/source4/cluster/ctdb/common/ctdb_message.c deleted file mode 100644 index 54f8e2ac1a..0000000000 --- a/source4/cluster/ctdb/common/ctdb_message.c +++ /dev/null @@ -1,111 +0,0 @@ -/* - ctdb_message protocol code - - Copyright (C) Andrew Tridgell 2007 - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 3 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, see <http://www.gnu.org/licenses/>. -*/ -/* - see http://wiki.samba.org/index.php/Samba_%26_Clustering for - protocol design and packet details -*/ -#include "includes.h" -#include "../tdb/include/tdb.h" -#include "system/network.h" -#include "system/filesys.h" -#include "../include/ctdb_private.h" -#include "../lib/util/dlinklist.h" - -/* - this dispatches the messages to the registered ctdb message handler -*/ -int ctdb_dispatch_message(struct ctdb_context *ctdb, uint64_t srvid, TDB_DATA data) -{ - struct ctdb_message_list *ml; - - for (ml=ctdb->message_list;ml;ml=ml->next) { - if (ml->srvid == srvid || ml->srvid == CTDB_SRVID_ALL) { - ml->message_handler(ctdb, srvid, data, ml->message_private); - } - } - - return 0; -} - -/* - called when a CTDB_REQ_MESSAGE packet comes in -*/ -void ctdb_request_message(struct ctdb_context *ctdb, struct ctdb_req_header *hdr) -{ - struct ctdb_req_message *c = (struct ctdb_req_message *)hdr; - TDB_DATA data; - - data.dptr = &c->data[0]; - data.dsize = c->datalen; - - ctdb_dispatch_message(ctdb, c->srvid, data); -} - - -/* - when a client goes away, we need to remove its srvid handler from the list - */ -static int message_handler_destructor(struct ctdb_message_list *m) -{ - DLIST_REMOVE(m->ctdb->message_list, m); - return 0; -} - -/* - setup handler for receipt of ctdb messages from ctdb_send_message() -*/ -int ctdb_register_message_handler(struct ctdb_context *ctdb, - TALLOC_CTX *mem_ctx, - uint64_t srvid, - ctdb_message_fn_t handler, - void *private_data) -{ - struct ctdb_message_list *m; - - m = talloc(mem_ctx, struct ctdb_message_list); - CTDB_NO_MEMORY(ctdb, m); - - m->ctdb = ctdb; - m->srvid = srvid; - m->message_handler = handler; - m->message_private = private_data; - - DLIST_ADD(ctdb->message_list, m); - - talloc_set_destructor(m, message_handler_destructor); - - return 0; -} - - -/* - setup handler for receipt of ctdb messages from ctdb_send_message() -*/ -int ctdb_deregister_message_handler(struct ctdb_context *ctdb, uint64_t srvid, void *private_data) -{ - struct ctdb_message_list *m; - - for (m=ctdb->message_list;m;m=m->next) { - if (m->srvid == srvid && m->message_private == private_data) { - talloc_free(m); - return 0; - } - } - return -1; -} |