mirror of
https://github.com/samba-team/samba.git
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1c8bcd6f57
TODO: bugfix (not yet complete, something happens differently than expected at tcpip when connection is refused in the beginning) (This used to be ctdb commit 330d76fb91f717d4fb8d1be29c11ddf8c25a4f1c)
111 lines
3.4 KiB
C
111 lines
3.4 KiB
C
/*
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* Unix SMB/CIFS implementation.
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* Join infiniband wrapper and ctdb.
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*
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* Copyright (C) Sven Oehme <oehmes@de.ibm.com> 2006
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*
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* Major code contributions by Peter Somogyi <psomogyi@gamax.hu>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include "includes.h"
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#include "lib/events/events.h"
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#include <system/network.h>
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#include <assert.h>
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#include "ctdb_private.h"
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#include "ibwrapper.h"
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#include "ibw_ctdb.h"
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int ctdb_ibw_connstate_handler(struct ibw_ctx *ctx, struct ibw_conn *conn)
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{
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if (ctx!=NULL) {
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/* ctx->state changed */
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switch(ctx->state) {
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case IBWS_INIT: /* ctx start - after ibw_init */
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break;
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case IBWS_READY: /* after ibw_bind & ibw_listen */
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break;
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case IBWS_CONNECT_REQUEST: /* after [IBWS_READY + incoming request] */
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/* => [(ibw_accept)IBWS_READY | (ibw_disconnect)STOPPED | ERROR] */
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if (ibw_accept(ctx, conn, NULL)) {
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DEBUG(0, ("connstate_handler/ibw_accept failed\n"));
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return -1;
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} /* else continue in IBWC_CONNECTED */
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break;
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case IBWS_STOPPED: /* normal stop <= ibw_disconnect+(IBWS_READY | IBWS_CONNECT_REQUEST) */
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/* TODO: have a CTDB upcall for which CTDB should wait in a (final) loop */
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break;
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case IBWS_ERROR: /* abnormal state; ibw_stop must be called after this */
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break;
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default:
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assert(0);
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break;
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}
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}
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if (conn!=NULL) {
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/* conn->state changed */
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switch(conn->state) {
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case IBWC_INIT: /* conn start - internal state */
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break;
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case IBWC_CONNECTED: { /* after ibw_accept or ibw_connect */
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struct ctdb_node *node = talloc_get_type(conn->conn_userdata, struct ctdb_node);
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if (node!=NULL) { /* after ibw_connect */
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node->private = (void *)conn;
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node->ctdb->upcalls->node_connected(node);
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} else { /* after ibw_accept */
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/* NOP in CTDB case */
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}
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} break;
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case IBWC_DISCONNECTED: { /* after ibw_disconnect */
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/* TODO: have a CTDB upcall */
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struct ctdb_node *node = talloc_get_type(conn->conn_userdata, struct ctdb_node);
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if (node!=NULL)
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node->ctdb->upcalls->node_dead(node);
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talloc_free(conn);
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} break;
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case IBWC_ERROR: {
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/* struct ctdb_node *node = talloc_get_type(conn->conn_userdata, struct ctdb_node);
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if (node!=NULL)
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node->ctdb->upcalls->node_dead(node);*/
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} break;
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default:
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assert(0);
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break;
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}
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}
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return 0;
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}
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int ctdb_ibw_receive_handler(struct ibw_conn *conn, void *buf, int n)
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{
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struct ctdb_context *ctdb = talloc_get_type(conn->ctx->ctx_userdata, struct ctdb_context);
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assert(ctdb!=NULL);
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assert(conn->state==IBWC_CONNECTED);
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/* TODO: shall I short-circuit this in ibwrapper? */
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/* maybe when everything go fine... */
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/* TODO2: !!! here I can provide conn->conn_userdata (with no perf. penalty) -
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* as struct ctdb_node in case the connection
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* has been built up by ibw_connect !!! */
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ctdb->upcalls->recv_pkt(ctdb, (uint8_t *)buf, (uint32_t)n);
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return 0;
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}
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