*
* 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 2 of the License, or
+ * 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,
* 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, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#include "includes.h"
-#include "lib/events/events.h"
#include <system/network.h>
#include <assert.h>
#include "ctdb_private.h"
#include "ibwrapper.h"
#include "ibw_ctdb.h"
+int ctdb_ibw_get_address(struct ctdb_context *ctdb,
+ const char *address, struct in_addr *addr)
+{
+ if (inet_pton(AF_INET, address, addr) <= 0) {
+ struct hostent *he = gethostbyname(address);
+ if (he == NULL || he->h_length > sizeof(*addr)) {
+ ctdb_set_error(ctdb, "invalid nework address '%s'\n",
+ address);
+ return -1;
+ }
+ memcpy(addr, he->h_addr, he->h_length);
+ }
+ return 0;
+}
+
+int ctdb_ibw_node_connect(struct ctdb_node *node)
+{
+ struct ctdb_ibw_node *cn = talloc_get_type(node->private_data, struct ctdb_ibw_node);
+ int rc;
+
+ assert(cn!=NULL);
+ assert(cn->conn!=NULL);
+
+ rc = ibw_connect(cn->conn, &node->address.ip, node);
+ if (rc) {
+ DEBUG(DEBUG_ERR, ("ctdb_ibw_node_connect/ibw_connect failed - retrying...\n"));
+ /* try again once a second */
+ tevent_add_timer(node->ctdb->ev, node,
+ timeval_current_ofs(1, 0),
+ ctdb_ibw_node_connect_event, node);
+ }
+
+ /* continues at ibw_ctdb.c/IBWC_CONNECTED in good case */
+ return 0;
+}
+
+void ctdb_ibw_node_connect_event(struct tevent_context *ev,
+ struct tevent_timer *te,
+ struct timeval t, void *private_data)
+{
+ struct ctdb_node *node = talloc_get_type(private_data, struct ctdb_node);
+
+ ctdb_ibw_node_connect(node);
+}
+
int ctdb_ibw_connstate_handler(struct ibw_ctx *ctx, struct ibw_conn *conn)
{
if (ctx!=NULL) {
case IBWS_CONNECT_REQUEST: /* after [IBWS_READY + incoming request] */
/* => [(ibw_accept)IBWS_READY | (ibw_disconnect)STOPPED | ERROR] */
if (ibw_accept(ctx, conn, NULL)) {
- DEBUG(0, ("connstate_handler/ibw_accept failed\n"));
+ DEBUG(DEBUG_ERR, ("connstate_handler/ibw_accept failed\n"));
return -1;
} /* else continue in IBWC_CONNECTED */
break;
break;
case IBWC_CONNECTED: { /* after ibw_accept or ibw_connect */
struct ctdb_node *node = talloc_get_type(conn->conn_userdata, struct ctdb_node);
- if (node!=NULL) /* after ibw_connect */
+ if (node!=NULL) { /* after ibw_connect */
+ struct ctdb_ibw_node *cn = talloc_get_type(node->private_data, struct ctdb_ibw_node);
+
node->ctdb->upcalls->node_connected(node);
- else { /* after ibw_accept */
+ ctdb_flush_cn_queue(cn);
+ } else { /* after ibw_accept */
/* NOP in CTDB case */
}
} break;
- case IBWC_DISCONNECTED: /* after ibw_disconnect */
- /* TODO: have a CTDB upcall */
- break;
- case IBWC_ERROR: {
+ case IBWC_DISCONNECTED: { /* after ibw_disconnect */
struct ctdb_node *node = talloc_get_type(conn->conn_userdata, struct ctdb_node);
if (node!=NULL)
- node->ctdb->upcalls->node_connected(node);
+ node->ctdb->upcalls->node_dead(node);
+ talloc_free(conn);
+ /* normal + intended disconnect => not reconnecting in this layer */
+ } break;
+ case IBWC_ERROR: {
+ struct ctdb_node *node = talloc_get_type(conn->conn_userdata, struct ctdb_node);
+ if (node!=NULL) {
+ struct ctdb_ibw_node *cn = talloc_get_type(node->private_data, struct ctdb_ibw_node);
+ struct ibw_ctx *ictx = cn->conn->ctx;
+
+ DEBUG(DEBUG_DEBUG, ("IBWC_ERROR, reconnecting...\n"));
+ talloc_free(cn->conn); /* internal queue content is destroyed */
+ cn->conn = (void *)ibw_conn_new(ictx, node);
+ tevent_add_timer(node->ctdb->ev, node,
+ timeval_current_ofs(1, 0),
+ ctdb_ibw_node_connect_event, node);
+ }
} break;
default:
assert(0);
int ctdb_ibw_receive_handler(struct ibw_conn *conn, void *buf, int n)
{
struct ctdb_context *ctdb = talloc_get_type(conn->ctx->ctx_userdata, struct ctdb_context);
+ void *buf2; /* future TODO: a solution for removal of this */
assert(ctdb!=NULL);
+ assert(buf!=NULL);
+ assert(conn!=NULL);
assert(conn->state==IBWC_CONNECTED);
- /* TODO: shall I short-circuit this in ibwrapper? */
- /* maybe when everything go fine... */
+ /* so far "buf" is an ib-registered memory area
+ * and being reused for next receive
+ * noticed that HL requires talloc-ed memory to be stolen */
+ buf2 = talloc_zero_size(conn, n);
+ CTDB_NO_MEMORY(ctdb, buf2);
+
+ memcpy(buf2, buf, n);
- /* TODO2: !!! here I can provide conn->conn_userdata (with no perf. penalty) -
- * as struct ctdb_node in case the connection
- * has been built up by ibw_connect !!! */
- ctdb->upcalls->recv_pkt(ctdb, (uint8_t *)buf, (uint32_t)n);
+ ctdb->upcalls->recv_pkt(ctdb, (uint8_t *)buf2, (uint32_t)n);
return 0;
}
git.samba.org / amitay / samba.git / blobdiff