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"
35
typedef struct VDEState {
40
static void vde_to_qemu(void *opaque)
46
size = vde_recv(s->vde, (char *)buf, sizeof(buf), 0);
48
qemu_send_packet(&s->nc, buf, size);
52
static ssize_t vde_receive(VLANClientState *nc, const uint8_t *buf, size_t size)
54
VDEState *s = DO_UPCAST(VDEState, nc, nc);
58
ret = vde_send(s->vde, (const char *)buf, size, 0);
59
} while (ret < 0 && errno == EINTR);
64
static void vde_cleanup(VLANClientState *nc)
66
VDEState *s = DO_UPCAST(VDEState, nc, nc);
67
qemu_set_fd_handler(vde_datafd(s->vde), NULL, NULL, NULL);
71
static NetClientInfo net_vde_info = {
72
.type = NET_CLIENT_TYPE_VDE,
73
.size = sizeof(VDEState),
74
.receive = vde_receive,
75
.cleanup = vde_cleanup,
78
static int net_vde_init(VLANState *vlan, const char *model,
79
const char *name, const char *sock,
80
int port, const char *group, int mode)
85
char *init_group = (char *)group;
86
char *init_sock = (char *)sock;
88
struct vde_open_args args = {
94
vde = vde_open(init_sock, (char *)"QEMU", &args);
99
nc = qemu_new_net_client(&net_vde_info, vlan, NULL, model, name);
101
snprintf(nc->info_str, sizeof(nc->info_str), "sock=%s,fd=%d",
102
sock, vde_datafd(vde));
104
s = DO_UPCAST(VDEState, nc, nc);
108
qemu_set_fd_handler(vde_datafd(s->vde), vde_to_qemu, NULL, s);
113
int net_init_vde(QemuOpts *opts, Monitor *mon, const char *name, VLANState *vlan)
119
sock = qemu_opt_get(opts, "sock");
120
group = qemu_opt_get(opts, "group");
122
port = qemu_opt_get_number(opts, "port", 0);
123
mode = qemu_opt_get_number(opts, "mode", 0700);
125
if (net_vde_init(vlan, "vde", name, sock, port, group, mode) == -1) {