static void
config_router(void)
{
int rv;
/* configure networking using the portable interfaces */
NOFAIL_RV(rump_pub_netconfig_ifcreate("shmif0"));
NOFAIL_RV(rump_pub_netconfig_ifsetlinkstr("shmif0", "busmem1"));
NOFAIL_RV(rump_pub_netconfig_ipv4_ifaddr("shmif0",
"1.0.0.2", "255.255.255.0"));
NOFAIL_RV(rump_pub_netconfig_ifcreate("shmif1"));
NOFAIL_RV(rump_pub_netconfig_ifsetlinkstr("shmif1", "busmem2"));
NOFAIL_RV(rump_pub_netconfig_ipv4_ifaddr("shmif1",
"1.0.1.2", "255.255.255.0"));
}
int
main()
{
struct sockaddr_in client;
struct sockaddr_in server;
char msg[500];
char buf[65535];
socklen_t clen;
ssize_t nn;
ssize_t off;
int size = 1024 * 1024;
int s;
rump_init();
rump_pub_lwproc_rfork(0);
if (rump_pub_netconfig_ifcreate(IFNAME) != 0)
errx(1, "failed to create " IFNAME);
if (rump_pub_netconfig_ipv4_ifaddr(IFNAME,
IF_ADDR, "255.255.255.0") != 0)
errx(1, "failed to create " IFNAME);
//rump_pub_netconfig_dhcp_ipv4_oneshot(IFNAME);
s = rump_sys_socket(PF_INET, SOCK_DGRAM, 0);
if (s == -1)
err(1,"socket");
memset(&server, 0, sizeof(server));
server.sin_family = AF_INET;
server.sin_port = htons(ECHOSERVER_RX_PORT);
server.sin_addr.s_addr = inet_addr(IF_ADDR);
rump_sys_setsockopt(s, SOL_SOCKET, SO_RCVBUF, &size, sizeof(size));
if (rump_sys_bind(s, (struct sockaddr *)&server, sizeof(server)) == -1)
err(1, "binded");
printf("socket binded\r\n");
printf("Waiting connection on port = %d\r\n",ECHOSERVER_RX_PORT);
memset(&client, 0, sizeof(client));
while(1)
{
memset(msg,0,sizeof(msg));
clen = sizeof(client);
nn = rump_sys_recvfrom(s,msg,sizeof(msg),0,(struct sockaddr *)&client,&clen);
if (nn<0) {
perror("Error receiving data");
} else {
rump_sys_sendto(s,buf,nn,0,(struct sockaddr *)&client,clen);
}
}
}
static void
config_server(void)
{
/* configure interface using the portable interfaces */
NOFAIL_RV(rump_pub_netconfig_ifcreate("shmif0"));
NOFAIL_RV(rump_pub_netconfig_ifsetlinkstr("shmif0", "busmem"));
NOFAIL_RV(rump_pub_netconfig_ipv4_ifaddr("shmif0",
"1.0.0.1", "255.255.255.0"));
}
static void
rumprun_config_net(const char *if_index)
{
char *if_type = NULL;
char *if_method = NULL;
char *if_addr = NULL;
char *if_mask = NULL;
char *if_gw = NULL;
char buf[128];
int rv;
rv = xs_read_netconfig(if_index, &if_type, &if_method, &if_addr,
&if_mask, &if_gw);
if (rv != 0)
return;
printf("rumprun_config: configuring xenif%s as %s with %s %s\n",
if_index, if_type, if_method, if_addr ? if_addr : "");
snprintf(buf, sizeof buf, "xenif%s", if_index);
if ((rv = rump_pub_netconfig_ifcreate(buf)) != 0) {
warnx("rumprun_config: %s: ifcreate failed: %s\n", buf,
strerror(rv));
goto out;
}
if (strcmp(if_type, "inet") == 0 &&
strcmp(if_method, "dhcp") == 0) {
if ((rv = rump_pub_netconfig_dhcp_ipv4_oneshot(buf)) != 0) {
warnx("rumprun_config: %s: dhcp_ipv4 failed: %s\n", buf,
strerror(rv));
goto out;
}
}
else if (strcmp(if_type, "inet") == 0 &&
strcmp(if_method, "static") == 0) {
if (if_addr == NULL || if_mask == NULL) {
warnx("rumprun_config: %s: missing if_addr/mask\n",
buf);
goto out;
}
if ((rv = rump_pub_netconfig_ipv4_ifaddr(buf, if_addr,
if_mask)) != 0) {
warnx("rumprun_config: %s: ipv4_ifaddr failed: %s\n",
buf, strerror(rv));
goto out;
}
if (if_gw &&
(rv = rump_pub_netconfig_ipv4_gw(if_gw)) != 0) {
warnx("rumprun_config: %s: ipv4_gw failed: %s\n",
buf, strerror(rv));
goto out;
}
}
else {
warnx("rumprun_config: %s: unknown type/method %s/%s\n",
buf, if_type, if_method);
}
out:
free(if_type);
free(if_method);
if (if_addr)
free(if_addr);
if (if_mask)
free(if_mask);
if (if_gw)
free(if_gw);
}