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[Qemu-devel] [PATCH RFC 2/7] net/filter: Add a 'status' property for fil
From: |
zhanghailiang |
Subject: |
[Qemu-devel] [PATCH RFC 2/7] net/filter: Add a 'status' property for filter object |
Date: |
Fri, 22 Jan 2016 16:36:46 +0800 |
With this property, users can control if this filter is 'enable'
or 'disable'. The default behavior for filter is enabled.
Signed-off-by: zhanghailiang <address@hidden>
---
include/net/filter.h | 1 +
net/filter.c | 36 ++++++++++++++++++++++++++++++++++++
2 files changed, 37 insertions(+)
diff --git a/include/net/filter.h b/include/net/filter.h
index 8a20138..9ed5ec6 100644
--- a/include/net/filter.h
+++ b/include/net/filter.h
@@ -55,6 +55,7 @@ struct NetFilterState {
char *netdev_id;
NetClientState *netdev;
NetFilterDirection direction;
+ bool enabled;
QTAILQ_ENTRY(NetFilterState) next;
};
diff --git a/net/filter.c b/net/filter.c
index 40254bd..f4933cc 100644
--- a/net/filter.c
+++ b/net/filter.c
@@ -117,8 +117,41 @@ static void netfilter_set_direction(Object *obj, int
direction, Error **errp)
nf->direction = direction;
}
+static char *netfilter_get_status(Object *obj, Error **errp)
+{
+ NetFilterState *nf = NETFILTER(obj);
+
+ if (nf->enabled) {
+ return g_strdup("enable");
+ } else {
+ return g_strdup("disable");
+ }
+}
+
+static void netfilter_set_status(Object *obj, const char *str, Error **errp)
+{
+ NetFilterState *nf = NETFILTER(obj);
+
+ if (!strcmp(str, "enable")) {
+ nf->enabled = true;
+ } else if (!strcmp(str, "disable")) {
+ nf->enabled = false;
+ } else {
+ error_setg(errp, "Invalid value for netfilter status, "
+ "should be 'enable' or 'disable'");
+ }
+}
+
static void netfilter_init(Object *obj)
{
+ NetFilterState *nf = NETFILTER(obj);
+
+ /*
+ * If not configured with 'status' property, the default status
+ * for netfilter will be enabled.
+ */
+ nf->enabled = true;
+
object_property_add_str(obj, "netdev",
netfilter_get_netdev_id, netfilter_set_netdev_id,
NULL);
@@ -126,6 +159,9 @@ static void netfilter_init(Object *obj)
NetFilterDirection_lookup,
netfilter_get_direction, netfilter_set_direction,
NULL);
+ object_property_add_str(obj, "status",
+ netfilter_get_status, netfilter_set_status,
+ NULL);
}
void netfilter_print_info(NetFilterState *nf, char *output_str, int size)
--
1.8.3.1
[Qemu-devel] [PATCH RFC 4/7] net/filter: Introduce a helper to add a filter to the netdev, zhanghailiang, 2016/01/22