-/* Copyright (C) 2007 Board of Trustees, Leland Stanford Jr. University.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to
- * deal in the Software without restriction, including without limitation the
- * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
- * sell copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
- * IN THE SOFTWARE.
+/* Copyright (c) 2008 The Board of Trustees of The Leland Stanford
+ * Junior University
+ *
+ * We are making the OpenFlow specification and associated documentation
+ * (Software) available for public use and benefit with the expectation
+ * that others will use, modify and enhance the Software and contribute
+ * those enhancements back to the community. However, since we would
+ * like to make the Software available for broadest use, with as few
+ * restrictions as possible permission is hereby granted, free of
+ * charge, to any person obtaining a copy of this Software to deal in
+ * the Software under the copyrights without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ * The name and trademarks of copyright holder(s) may NOT be used in
+ * advertising or publicity pertaining to the Software or any
+ * derivatives without specific, written prior permission.
*/
+#include <config.h>
#include "vconn.h"
#include <arpa/inet.h>
#include <assert.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
-#include "openflow-netlink.h"
-#include "buffer.h"
#include "dpif.h"
#include "netlink.h"
+#include "ofpbuf.h"
+#include "openflow/openflow-netlink.h"
+#include "openflow/openflow.h"
+#include "poll-loop.h"
#include "socket-util.h"
#include "util.h"
-#include "openflow.h"
+#include "vconn-provider.h"
#include "vlog.h"
#define THIS_MODULE VLM_VCONN_NETLINK
static struct netlink_vconn *
netlink_vconn_cast(struct vconn *vconn)
{
- assert(vconn->class == &netlink_vconn_class);
+ vconn_assert_class(vconn, &netlink_vconn_class);
return CONTAINER_OF(vconn, struct netlink_vconn, vconn);
}
{
struct netlink_vconn *netlink;
int dp_idx;
+ int subscribe;
int retval;
- if (sscanf(suffix, "%d", &dp_idx) != 1) {
- fatal(0, "%s: bad peer name format", name);
+ subscribe = 1;
+ if (sscanf(suffix, "%d:%d", &dp_idx, &subscribe) < 1) {
+ ofp_error(0, "%s: syntax error", name);
+ return EAFNOSUPPORT;
}
netlink = xmalloc(sizeof *netlink);
- netlink->vconn.class = &netlink_vconn_class;
- retval = dpif_open(dp_idx, true, &netlink->dp);
+ vconn_init(&netlink->vconn, &netlink_vconn_class, 0, 0, name);
+ retval = dpif_open(dp_idx, subscribe, &netlink->dp);
if (retval) {
free(netlink);
*vconnp = NULL;
free(netlink);
}
-static void
-netlink_prepoll(struct vconn *vconn, int want, struct pollfd *pfd)
-{
- struct netlink_vconn *netlink = netlink_vconn_cast(vconn);
- pfd->fd = nl_sock_fd(netlink->dp.sock);
- if (want & WANT_RECV) {
- pfd->events |= POLLIN;
- }
- if (want & WANT_SEND) {
- pfd->events |= POLLOUT;
- }
-}
-
static int
-netlink_recv(struct vconn *vconn, struct buffer **bufferp)
+netlink_recv(struct vconn *vconn, struct ofpbuf **bufferp)
{
struct netlink_vconn *netlink = netlink_vconn_cast(vconn);
return dpif_recv_openflow(&netlink->dp, bufferp, false);
}
static int
-netlink_send(struct vconn *vconn, struct buffer *buffer)
+netlink_send(struct vconn *vconn, struct ofpbuf *buffer)
{
struct netlink_vconn *netlink = netlink_vconn_cast(vconn);
int retval = dpif_send_openflow(&netlink->dp, buffer, false);
if (!retval) {
- buffer_delete(buffer);
+ ofpbuf_delete(buffer);
}
return retval;
}
+static void
+netlink_wait(struct vconn *vconn, enum vconn_wait_type wait)
+{
+ struct netlink_vconn *netlink = netlink_vconn_cast(vconn);
+ short int events = 0;
+ switch (wait) {
+ case WAIT_RECV:
+ events = POLLIN;
+ break;
+
+ case WAIT_SEND:
+ events = 0;
+ break;
+
+ default:
+ NOT_REACHED();
+ }
+ poll_fd_wait(nl_sock_fd(netlink->dp.sock), events);
+}
+
struct vconn_class netlink_vconn_class = {
- .name = "nl",
- .open = netlink_open,
- .close = netlink_close,
- .prepoll = netlink_prepoll,
- .recv = netlink_recv,
- .send = netlink_send,
+ "nl", /* name */
+ netlink_open, /* open */
+ netlink_close, /* close */
+ NULL, /* connect */
+ netlink_recv, /* recv */
+ netlink_send, /* send */
+ netlink_wait, /* wait */
};