4 Copyright (C) Andrew Tridgell 2006
6 This library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Lesser General Public
8 License as published by the Free Software Foundation; either
9 version 3 of the License, or (at your option) any later version.
11 This library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public
17 License along with this library; if not, see <http://www.gnu.org/licenses/>.
21 #include "lib/events/events.h"
22 #include "lib/util/dlinklist.h"
23 #include "lib/tdb/include/tdb.h"
24 #include "system/network.h"
25 #include "system/filesys.h"
26 #include "../include/ctdb_private.h"
31 called when a complete packet has come in
33 void ctdb_tcp_read_cb(uint8_t *data, size_t cnt, void *args)
35 struct ctdb_incoming *in = talloc_get_type(args, struct ctdb_incoming);
36 struct ctdb_req_header *hdr;
39 /* incoming socket has died */
44 if (cnt < sizeof(*hdr)) {
45 ctdb_set_error(in->ctdb, "Bad packet length %d\n", cnt);
48 hdr = (struct ctdb_req_header *)data;
49 if (cnt != hdr->length) {
50 ctdb_set_error(in->ctdb, "Bad header length %d expected %d\n",
55 if (hdr->ctdb_magic != CTDB_MAGIC) {
56 ctdb_set_error(in->ctdb, "Non CTDB packet rejected\n");
60 if (hdr->ctdb_version != CTDB_VERSION) {
61 ctdb_set_error(in->ctdb, "Bad CTDB version 0x%x rejected\n", hdr->ctdb_version);
65 /* most common case - we got a whole packet in one go
66 tell the ctdb layer above that we have a packet */
67 in->ctdb->upcalls->recv_pkt(in->ctdb, data, cnt);
71 queue a packet for sending
73 int ctdb_tcp_queue_pkt(struct ctdb_node *node, uint8_t *data, uint32_t length)
75 struct ctdb_tcp_node *tnode = talloc_get_type(node->private_data,
76 struct ctdb_tcp_node);
77 return ctdb_queue_send(tnode->queue, data, length);