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Improved sanity checking to -net options 

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2877 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
blueswir1 2007-05-27 19:36:43 +00:00
parent 1b2e93c175
commit 833c7174ce
2 changed files with 19 additions and 0 deletions
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18
vl.c
View File

@ -4197,6 +4197,7 @@ static int net_client_init(const char *str)
}
nd->vlan = vlan;
nb_nics++;
vlan->nb_guest_devs++;
ret = 0;
} else
if (!strcmp(device, "none")) {
@ -4209,6 +4210,7 @@ static int net_client_init(const char *str)
if (get_param_value(buf, sizeof(buf), "hostname", p)) {
pstrcpy(slirp_hostname, sizeof(slirp_hostname), buf);
}
vlan->nb_host_devs++;
ret = net_slirp_init(vlan);
} else
#endif
@ -4219,6 +4221,7 @@ static int net_client_init(const char *str)
fprintf(stderr, "tap: no interface name\n");
return -1;
}
vlan->nb_host_devs++;
ret = tap_win32_init(vlan, ifname);
} else
#else
@ -4238,6 +4241,7 @@ static int net_client_init(const char *str)
if (get_param_value(setup_script, sizeof(setup_script), "script", p) == 0) {
pstrcpy(setup_script, sizeof(setup_script), DEFAULT_NETWORK_SCRIPT);
}
vlan->nb_host_devs++;
ret = net_tap_init(vlan, ifname, setup_script);
}
} else
@ -4259,6 +4263,7 @@ static int net_client_init(const char *str)
fprintf(stderr, "Unknown socket options: %s\n", p);
return -1;
}
vlan->nb_host_devs++;
} else
{
fprintf(stderr, "Unknown network device: %s\n", device);
@ -7131,6 +7136,7 @@ int main(int argc, char **argv)
int usb_devices_index;
int fds[2];
const char *pid_file = NULL;
VLANState *vlan;
LIST_INIT (&vm_change_state_head);
#ifndef _WIN32
@ -7750,6 +7756,18 @@ int main(int argc, char **argv)
if (net_client_init(net_clients[i]) < 0)
exit(1);
}
for(vlan = first_vlan; vlan != NULL; vlan = vlan->next) {
if (vlan->nb_guest_devs == 0 && vlan->nb_host_devs == 0)
continue;
if (vlan->nb_guest_devs == 0) {
fprintf(stderr, "Invalid vlan (%d) with no nics\n", vlan->id);
exit(1);
}
if (vlan->nb_host_devs == 0)
fprintf(stderr,
"Warning: vlan %d is not connected to host network\n",
vlan->id);
}
#ifdef TARGET_I386
if (boot_device == 'n') {

1
vl.h
View File

@ -389,6 +389,7 @@ typedef struct VLANState {
int id;
VLANClientState *first_client;
struct VLANState *next;
unsigned int nb_guest_devs, nb_host_devs;
} VLANState;
VLANState *qemu_find_vlan(int id);