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platform: add NMPRulesManager for syncing routing rules

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Routing rules are unlike addresses or routes not tied to an interface.
NetworkManager thinks in terms of connection profiles. That works well
for addresses and routes, as one profile configures addresses and routes
for one device. For example, when activating a profile on a device, the
configuration does not interfere with the addresses/routes of other
devices. That is not the case for routing rules, which are global, netns-wide
entities.

When one connection profile specifies rules, then this per-device configuration
must be merged with the global configuration. And when a device disconnects later,
the rules must be removed.

Add a new NMPRulesManager API to track/untrack routing rules. Devices can
register/add there the routing rules they require. And the sync method will
apply the configuration. This is be implemented on top of NMPlatform's
caching API.
This commit is contained in:
Thomas Haller
2019-03-11 11:37:40 +01:00
parent 5ae2431b0f
commit b8398b9e79
8 changed files with 900 additions and 80 deletions
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16
src/nm-netns.c
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@@ -24,10 +24,11 @@
#include "nm-utils/nm-dedup-multi.h"
#include "NetworkManagerUtils.h"
#include "nm-core-internal.h"
#include "platform/nm-platform.h"
#include "platform/nmp-netns.h"
#include "nm-core-internal.h"
#include "NetworkManagerUtils.h"
#include "platform/nmp-rules-manager.h"
/*****************************************************************************/
@@ -38,6 +39,7 @@ NM_GOBJECT_PROPERTIES_DEFINE_BASE (
typedef struct {
NMPlatform *platform;
NMPNetns *platform_netns;
NMPRulesManager *rules_manager;
} NMNetnsPrivate;
struct _NMNetns {
@@ -71,6 +73,12 @@ nm_netns_get_platform (NMNetns *self)
return NM_NETNS_GET_PRIVATE (self)->platform;
}
NMPRulesManager *
nm_netns_get_rules_manager (NMNetns *self)
{
return NM_NETNS_GET_PRIVATE (self)->rules_manager;
}
NMDedupMultiIndex *
nm_netns_get_multi_idx (NMNetns *self)
{
@@ -118,6 +126,8 @@ constructed (GObject *object)
priv->platform_netns = nm_platform_netns_get (priv->platform);
priv->rules_manager = nmp_rules_manager_new (priv->platform, TRUE);
G_OBJECT_CLASS (nm_netns_parent_class)->constructed (object);
}
@@ -137,6 +147,8 @@ dispose (GObject *object)
g_clear_object (&priv->platform);
nm_clear_pointer (&priv->rules_manager, nmp_rules_manager_unref);
G_OBJECT_CLASS (nm_netns_parent_class)->dispose (object);
}