4 * Copyright (c) 2003-2008 Fabrice Bellard
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
26 #include "config-host.h"
28 #include <libvdeplug.h>
31 #include "qemu-char.h"
32 #include "qemu-common.h"
33 #include "qemu-option.h"
36 typedef struct VDEState {
41 static void vde_to_qemu(void *opaque)
47 size = vde_recv(s->vde, (char *)buf, sizeof(buf), 0);
49 qemu_send_packet(&s->nc, buf, size);
53 static ssize_t vde_receive(VLANClientState *nc, const uint8_t *buf, size_t size)
55 VDEState *s = DO_UPCAST(VDEState, nc, nc);
59 ret = vde_send(s->vde, (const char *)buf, size, 0);
60 } while (ret < 0 && errno == EINTR);
65 static void vde_cleanup(VLANClientState *nc)
67 VDEState *s = DO_UPCAST(VDEState, nc, nc);
68 qemu_set_fd_handler(vde_datafd(s->vde), NULL, NULL, NULL);
72 static NetClientInfo net_vde_info = {
73 .type = NET_CLIENT_TYPE_VDE,
74 .size = sizeof(VDEState),
75 .receive = vde_receive,
76 .cleanup = vde_cleanup,
79 static int net_vde_init(VLANState *vlan, const char *model,
80 const char *name, const char *sock,
81 int port, const char *group, int mode)
86 char *init_group = (char *)group;
87 char *init_sock = (char *)sock;
89 struct vde_open_args args = {
95 vde = vde_open(init_sock, (char *)"QEMU", &args);
100 nc = qemu_new_net_client(&net_vde_info, vlan, NULL, model, name);
102 snprintf(nc->info_str, sizeof(nc->info_str), "sock=%s,fd=%d",
103 sock, vde_datafd(vde));
105 s = DO_UPCAST(VDEState, nc, nc);
109 qemu_set_fd_handler(vde_datafd(s->vde), vde_to_qemu, NULL, s);
114 int net_init_vde(QemuOpts *opts, Monitor *mon, const char *name, VLANState *vlan)
120 sock = qemu_opt_get(opts, "sock");
121 group = qemu_opt_get(opts, "group");
123 port = qemu_opt_get_number(opts, "port", 0);
124 mode = qemu_opt_get_number(opts, "mode", 0700);
126 if (net_vde_init(vlan, "vde", name, sock, port, group, mode) == -1) {