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netfilter: print filter info associate with the netdev 

When execute "info network", print filter info also.
add a info_str member to NetFilterState, store specific filters
info.

Signed-off-by: Yang Hongyang <yanghy@cn.fujitsu.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
This commit is contained in:
Yang Hongyang 2015-10-07 11:52:19 +08:00 committed by Jason Wang
parent 7ef7bc8586
commit a4960f52e7
3 changed files with 32 additions and 0 deletions
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1
include/net/filter.h
View File

@ -55,6 +55,7 @@ struct NetFilterState {
char *netdev_id;
NetClientState *netdev;
NetFilterDirection direction;
char info_str[256];
QTAILQ_ENTRY(NetFilterState) next;
};

20
net/filter.c
View File

@ -15,6 +15,7 @@
#include "net/vhost_net.h"
#include "qom/object_interfaces.h"
#include "qemu/iov.h"
#include "qapi/string-output-visitor.h"
ssize_t qemu_netfilter_receive(NetFilterState *nf,
NetFilterDirection direction,
@ -134,6 +135,9 @@ static void netfilter_complete(UserCreatable *uc, Error **errp)
NetFilterClass *nfc = NETFILTER_GET_CLASS(uc);
int queues;
Error *local_err = NULL;
char *str, *info;
ObjectProperty *prop;
StringOutputVisitor *ov;
if (!nf->netdev_id) {
error_setg(errp, "Parameter 'netdev' is required");
@ -167,6 +171,22 @@ static void netfilter_complete(UserCreatable *uc, Error **errp)
}
}
QTAILQ_INSERT_TAIL(&nf->netdev->filters, nf, next);
/* generate info str */
QTAILQ_FOREACH(prop, &OBJECT(nf)->properties, node) {
if (!strcmp(prop->name, "type")) {
continue;
}
ov = string_output_visitor_new(false);
object_property_get(OBJECT(nf), string_output_get_visitor(ov),
prop->name, errp);
str = string_output_get_string(ov);
string_output_visitor_cleanup(ov);
info = g_strdup_printf(",%s=%s", prop->name, str);
g_strlcat(nf->info_str, info, sizeof(nf->info_str));
g_free(str);
g_free(info);
}
}
static void netfilter_finalize(Object *obj)

11
net/net.c
View File

@ -1179,10 +1179,21 @@ void qmp_netdev_del(const char *id, Error **errp)
void print_net_client(Monitor *mon, NetClientState *nc)
{
NetFilterState *nf;
monitor_printf(mon, "%s: index=%d,type=%s,%s\n", nc->name,
nc->queue_index,
NetClientOptionsKind_lookup[nc->info->type],
nc->info_str);
if (!QTAILQ_EMPTY(&nc->filters)) {
monitor_printf(mon, "filters:\n");
}
QTAILQ_FOREACH(nf, &nc->filters, next) {
monitor_printf(mon, " - %s: type=%s%s\n",
object_get_canonical_path_component(OBJECT(nf)),
object_get_typename(OBJECT(nf)),
nf->info_str);
}
}
RxFilterInfoList *qmp_query_rx_filter(bool has_name, const char *name,