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diff -Naur src/vde/device.c src/vde/device.c
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--- src/vde/device.c 1969-12-31 19:00:00.000000000 -0500
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+++ src/vde/device.c 2011-12-21 11:20:34.000000000 -0500
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@@ -0,0 +1,134 @@
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+/*
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+ device.c -- VDE plug
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+ Copyright (C) 2011 Guus Sliepen <guus@tinc-vpn.org>
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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 along
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+ with this program; if not, write to the Free Software Foundation, Inc.,
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+ 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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+*/
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+
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+#include "system.h"
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+
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+#include <libvdeplug_dyn.h>
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+
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+#include "conf.h"
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+#include "device.h"
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+#include "net.h"
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+#include "logger.h"
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+#include "utils.h"
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+#include "route.h"
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+#include "xalloc.h"
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+
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+int device_fd = -1;
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+static struct vdepluglib plug;
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+static struct vdeconn *conn = NULL;
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+static int port = 0;
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+static char *group = NULL;
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+char *device = NULL;
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+char *iface = NULL;
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+static char *device_info;
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+
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+extern char *identname;
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+extern bool running;
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+
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+static uint64_t device_total_in = 0;
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+static uint64_t device_total_out = 0;
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+
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+bool setup_device(void) {
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+ libvdeplug_dynopen(plug);
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+
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+ if(!plug.dl_handle) {
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+ logger(LOG_ERR, "Could not open libvdeplug library!");
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+ return false;
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+ }
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+
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+ if(!get_config_string(lookup_config(config_tree, "Device"), &device))
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+ xasprintf(&device, LOCALSTATEDIR "/run/vde.ctl");
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+
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+ get_config_string(lookup_config(config_tree, "Interface"), &iface);
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+
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+ get_config_int(lookup_config(config_tree, "VDEPort"), &port);
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+
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+ get_config_string(lookup_config(config_tree, "VDEGroup"), &group);
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+
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+ device_info = "VDE socket";
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+
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+ struct vde_open_args args = {
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+ .port = port,
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+ .group = group,
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+ .mode = 0700,
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+ };
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+
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+ conn = plug.vde_open(device, identname, &args);
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+ if(!conn) {
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+ logger(LOG_ERR, "Could not open VDE socket %s", device);
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+ return false;
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+ }
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+
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+ device_fd = plug.vde_datafd(conn);
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+
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+ logger(LOG_INFO, "%s is a %s", device, device_info);
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+
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+ if(routing_mode == RMODE_ROUTER)
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+ overwrite_mac = true;
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+
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+ return true;
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+}
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+
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+void close_device(void) {
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+ if(conn)
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+ plug.vde_close(conn);
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+
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+ if(plug.dl_handle)
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+ libvdeplug_dynclose(plug);
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+
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+ free(device);
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+
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+ free(iface);
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+}
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+
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+bool read_packet(vpn_packet_t *packet) {
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+ int lenin = plug.vde_recv(conn, packet->data, MTU, 0);
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+ if(lenin <= 0) {
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+ logger(LOG_ERR, "Error while reading from %s %s: %s", device_info, device, strerror(errno));
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+ running = false;
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+ return false;
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+ }
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+
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+ packet->len = lenin;
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+ device_total_in += packet->len;
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+ ifdebug(TRAFFIC) logger(LOG_DEBUG, "Read packet of %d bytes from %s", packet->len, device_info);
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+
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+ return true;
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+}
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+
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+bool write_packet(vpn_packet_t *packet) {
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+ if(plug.vde_send(conn, packet->data, packet->len, 0) < 0) {
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+ if(errno != EINTR && errno != EAGAIN) {
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+ logger(LOG_ERR, "Can't write to %s %s: %s", device_info, device, strerror(errno));
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+ running = false;
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+ }
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+
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+ return false;
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+ }
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+
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+ device_total_out += packet->len;
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+
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+ return true;
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+}
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+
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+void dump_device_stats(void) {
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+ logger(LOG_DEBUG, "Statistics for %s %s:", device_info, device);
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+ logger(LOG_DEBUG, " total bytes in: %10"PRIu64, device_total_in);
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+ logger(LOG_DEBUG, " total bytes out: %10"PRIu64, device_total_out);
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+}
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