2 * Unix SMB/CIFS implementation.
3 * Join infiniband wrapper and ctdb.
5 * Copyright (C) Sven Oehme <oehmes@de.ibm.com> 2006
7 * Major code contributions by Peter Somogyi <psomogyi@gamax.hu>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 3 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, see <http://www.gnu.org/licenses/>.
24 #include "system/network.h"
30 #include "lib/util/dlinklist.h"
31 #include "lib/util/debug.h"
33 #include "ctdb_private.h"
35 #include "common/common.h"
36 #include "common/logging.h"
38 #include "ibwrapper.h"
41 static int ctdb_ibw_listen(struct ctdb_context
*ctdb
, int backlog
)
43 struct ibw_ctx
*ictx
= talloc_get_type(ctdb
->private_data
, struct ibw_ctx
);
47 if (ibw_bind(ictx
, &ctdb
->address
->ip
)) {
48 DEBUG(DEBUG_CRIT
, ("ctdb_ibw_listen: ibw_bind failed\n"));
52 if (ibw_listen(ictx
, backlog
)) {
53 DEBUG(DEBUG_CRIT
, ("ctdb_ibw_listen: ibw_listen failed\n"));
61 * initialise ibw portion of a ctdb node
63 static int ctdb_ibw_add_node(struct ctdb_node
*node
)
65 struct ibw_ctx
*ictx
= talloc_get_type(node
->ctdb
->private_data
, struct ibw_ctx
);
66 struct ctdb_ibw_node
*cn
= talloc_zero(node
, struct ctdb_ibw_node
);
69 cn
->conn
= ibw_conn_new(ictx
, node
);
70 node
->private_data
= (void *)cn
;
72 return (cn
->conn
!=NULL
? 0 : -1);
76 * initialise infiniband
78 static int ctdb_ibw_initialise(struct ctdb_context
*ctdb
)
82 ret
= ctdb_ibw_init(ctdb
);
87 for (i
=0; i
<ctdb
->num_nodes
; i
++) {
88 if (ctdb_ibw_add_node(ctdb
->nodes
[i
]) != 0) {
89 DEBUG(DEBUG_CRIT
, ("methods->add_node failed at %d\n", i
));
94 /* listen on our own address */
95 if (ctdb_ibw_listen(ctdb
, 10)) /* TODO: backlog as param */
105 static int ctdb_ibw_start(struct ctdb_context
*ctdb
)
109 /* everything async here */
110 for (i
=0;i
<ctdb
->num_nodes
;i
++) {
111 struct ctdb_node
*node
= ctdb
->nodes
[i
];
112 if (!ctdb_same_address(ctdb
->address
, &node
->address
)) {
113 ctdb_ibw_node_connect(node
);
120 static int ctdb_ibw_send_pkt(struct ibw_conn
*conn
, uint8_t *data
, uint32_t length
)
124 if (ibw_alloc_send_buf(conn
, &buf
, &key
, length
)) {
125 DEBUG(DEBUG_ERR
, ("queue_pkt/ibw_alloc_send_buf failed\n"));
129 memcpy(buf
, data
, length
);
130 return ibw_send(conn
, buf
, key
, length
);
133 int ctdb_flush_cn_queue(struct ctdb_ibw_node
*cn
)
135 struct ctdb_ibw_msg
*p
;
140 rc
= ctdb_ibw_send_pkt(cn
->conn
, p
->data
, p
->length
);
142 return -1; /* will be retried later when conn is up */
144 DLIST_REMOVE(cn
->queue
, p
);
146 talloc_free(p
); /* it will talloc_free p->data as well */
149 /* cn->queue_last = NULL is not needed - see DLIST_ADD_AFTER */
154 static int ctdb_ibw_queue_pkt(struct ctdb_node
*node
, uint8_t *data
, uint32_t length
)
156 struct ctdb_ibw_node
*cn
= talloc_get_type(node
->private_data
, struct ctdb_ibw_node
);
159 assert(length
>=sizeof(uint32_t));
162 if (cn
->conn
==NULL
) {
163 DEBUG(DEBUG_ERR
, ("ctdb_ibw_queue_pkt: conn is NULL\n"));
167 if (cn
->conn
->state
==IBWC_CONNECTED
) {
168 rc
= ctdb_ibw_send_pkt(cn
->conn
, data
, length
);
170 struct ctdb_ibw_msg
*p
= talloc_zero(cn
, struct ctdb_ibw_msg
);
171 CTDB_NO_MEMORY(node
->ctdb
, p
);
173 p
->data
= talloc_memdup(p
, data
, length
);
174 CTDB_NO_MEMORY(node
->ctdb
, p
->data
);
178 DLIST_ADD_AFTER(cn
->queue
, p
, cn
->queue_last
);
188 static void ctdb_ibw_restart(struct ctdb_node
*node
)
190 /* TODO: implement this method for IB */
191 DEBUG(DEBUG_ALERT
,("WARNING: method restart is not yet implemented for IB\n"));
195 * transport packet allocator - allows transport to control memory for packets
197 static void *ctdb_ibw_allocate_pkt(TALLOC_CTX
*mem_ctx
, size_t size
)
199 /* TODO: use ibw_alloc_send_buf instead... */
200 return talloc_size(mem_ctx
, size
);
205 static int ctdb_ibw_stop(struct ctdb_context
*cctx
)
207 struct ibw_ctx
*ictx
= talloc_get_type(cctx
->private_data
, struct ibw_ctx
);
210 return ibw_stop(ictx
);
213 #endif /* __NOTDEF__ */
215 static const struct ctdb_methods ctdb_ibw_methods
= {
216 .initialise
= ctdb_ibw_initialise
,
217 .start
= ctdb_ibw_start
,
218 .queue_pkt
= ctdb_ibw_queue_pkt
,
219 .add_node
= ctdb_ibw_add_node
,
220 .allocate_pkt
= ctdb_ibw_allocate_pkt
,
221 .restart
= ctdb_ibw_restart
,
223 // .stop = ctdb_ibw_stop
227 * initialise ibw portion of ctdb
229 int ctdb_ibw_init(struct ctdb_context
*ctdb
)
231 struct ibw_ctx
*ictx
;
233 DEBUG(DEBUG_DEBUG
, ("ctdb_ibw_init invoked...\n"));
235 NULL
, //struct ibw_initattr *attr, /* TODO */
236 0, //int nattr, /* TODO */
238 ctdb_ibw_connstate_handler
,
239 ctdb_ibw_receive_handler
,
243 DEBUG(DEBUG_CRIT
, ("ctdb_ibw_init: ibw_init failed\n"));
247 ctdb
->methods
= &ctdb_ibw_methods
;
248 ctdb
->private_data
= ictx
;
250 DEBUG(DEBUG_DEBUG
, ("ctdb_ibw_init succeeded.\n"));