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/*
CTDB protocol marshalling
Copyright (C) Amitay Isaacs 2017
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/>.
*/
#include "replace.h"
#include "system/network.h"
#include <talloc.h>
#include <tdb.h>
#include "protocol.h"
#include "protocol_api.h"
#include "protocol_private.h"
size_t ctdb_req_tunnel_len(struct ctdb_req_header *h,
struct ctdb_req_tunnel *c)
{
return ctdb_req_header_len(h) +
ctdb_uint64_len(&c->tunnel_id) +
ctdb_uint32_len(&c->flags) +
ctdb_tdb_datan_len(&c->data);
}
int ctdb_req_tunnel_push(struct ctdb_req_header *h,
struct ctdb_req_tunnel *c,
uint8_t *buf, size_t *buflen)
{
size_t length, offset = 0, np;
length = ctdb_req_tunnel_len(h, c);
if (*buflen < length) {
*buflen = length;
return EMSGSIZE;
}
h->length = *buflen;
ctdb_req_header_push(h, buf, &np);
offset += np;
ctdb_uint64_push(&c->tunnel_id, buf+offset, &np);
offset += np;
ctdb_uint32_push(&c->flags, buf+offset, &np);
offset += np;
ctdb_tdb_datan_push(&c->data, buf+offset, &np);
offset += np;
if (offset > *buflen) {
return EMSGSIZE;
}
return 0;
}
int ctdb_req_tunnel_pull(uint8_t *buf, size_t buflen,
struct ctdb_req_header *h,
TALLOC_CTX *mem_ctx,
struct ctdb_req_tunnel *c)
{
struct ctdb_req_header header;
size_t offset = 0, np;
int ret;
ret = ctdb_req_header_pull(buf, buflen, &header, &np);
if (ret != 0) {
return ret;
}
offset += np;
if (h != NULL) {
*h = header;
}
ret = ctdb_uint64_pull(buf+offset, buflen-offset, &c->tunnel_id, &np);
if (ret != 0) {
return ret;
}
offset += np;
ret = ctdb_uint32_pull(buf+offset, buflen-offset, &c->flags, &np);
if (ret != 0) {
return ret;
}
offset += np;
ret = ctdb_tdb_datan_pull(buf+offset, buflen-offset, mem_ctx,
&c->data, &np);
if (ret != 0) {
return ret;
}
offset += np;
if (offset > buflen) {
return EMSGSIZE;
}
return 0;
}
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