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authorPeter Somogyi <psomogyi@gamax.hu>2007-01-02 18:16:39 +0100
committerPeter Somogyi <psomogyi@gamax.hu>2007-01-02 18:16:39 +0100
commit11fb3ef3b552556adb440774b24e5689cbe198bb (patch)
treee2132385f4e88342a301aa93c572b5b035d4f541 /ctdb/ib/ibw_ctdb.c
parent96f10d7ff429470e72648ecbbcad217d0b8c088c (diff)
parent0d9ec11a5099c00603d9e97901cc14653179f40f (diff)
downloadsamba-11fb3ef3b552556adb440774b24e5689cbe198bb.tar.gz
Joining ctdb and ibwrapper (incomplete).
It compiles. TODO: modify ctdb as well. (This used to be ctdb commit a080b85a5d8e46946f8308bb6c76aa62b5a254db)
Diffstat (limited to 'ctdb/ib/ibw_ctdb.c')
-rw-r--r--ctdb/ib/ibw_ctdb.c105
1 files changed, 105 insertions, 0 deletions
diff --git a/ctdb/ib/ibw_ctdb.c b/ctdb/ib/ibw_ctdb.c
new file mode 100644
index 00000000000..4379cb75086
--- /dev/null
+++ b/ctdb/ib/ibw_ctdb.c
@@ -0,0 +1,105 @@
+/*
+ * Unix SMB/CIFS implementation.
+ * Join infiniband wrapper and ctdb.
+ *
+ * Copyright (C) Sven Oehme <oehmes@de.ibm.com> 2006
+ *
+ * Major code contributions by Peter Somogyi <psomogyi@gamax.hu>
+ *
+ * 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
+ * (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, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#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_connstate_handler(struct ibw_ctx *ctx, struct ibw_conn *conn)
+{
+ if (ctx!=NULL) {
+ /* ctx->state changed */
+ switch(ctx->state) {
+ case IBWS_INIT: /* ctx start - after ibw_init */
+ break;
+ case IBWS_READY: /* after ibw_bind & ibw_listen */
+ break;
+ 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"));
+ return -1;
+ } /* else continue in IBWC_CONNECTED */
+ break;
+ case IBWS_STOPPED: /* normal stop <= ibw_disconnect+(IBWS_READY | IBWS_CONNECT_REQUEST) */
+ /* TODO: have a CTDB upcall for which CTDB should wait in a (final) loop */
+ break;
+ case IBWS_ERROR: /* abnormal state; ibw_stop must be called after this */
+ break;
+ default:
+ assert(0);
+ break;
+ }
+ }
+
+ if (conn!=NULL) {
+ /* conn->state changed */
+ switch(conn->state) {
+ case IBWC_INIT: /* conn start - internal state */
+ 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 */
+ node->ctdb->upcalls->node_connected(node);
+ else { /* after ibw_accept */
+ /* NOP in CTDB case */
+ }
+ } break;
+ case IBWC_DISCONNECTED: /* after ibw_disconnect */
+ /* TODO: have a CTDB upcall */
+ break;
+ case IBWC_ERROR: {
+ struct ctdb_node *node = talloc_get_type(conn->conn_userdata, struct ctdb_node);
+ if (node!=NULL)
+ node->ctdb->upcalls->node_connected(node);
+ } break;
+ default:
+ assert(0);
+ break;
+ }
+ }
+
+ return 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);
+
+ assert(ctdb!=NULL);
+ assert(conn->state==IBWC_CONNECTED);
+
+ /* TODO: shall I short-circuit this in ibwrapper? */
+ /* maybe when everything go fine... */
+
+ /* 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);
+
+ return 0;
+}