diff options
| author | Jeremy Bicha <jeremy.bicha@canonical.com> | 2022-02-03 09:24:19 -0500 |
|---|---|---|
| committer | Jeremy Bicha <jeremy.bicha@canonical.com> | 2022-02-03 12:01:26 -0500 |
| commit | 240934659cd8326a14324c73d4f0f88eecfddcab (patch) | |
| tree | e07cde48aa0a143bebf10ca7103cc0e69febad25 /src/core/dhcp/nm-dhcp-manager.c | |
| parent | fbe61ddadf4a89800a8e3651ae91099259ddf2ad (diff) | |
| parent | 1628eda029ba4dede8d4d45572c6b60367882436 (diff) | |
Merge tag 'debian/1.34.0-2' into ubuntu/master
network-manager Debian release 1.34.0-2
Diffstat (limited to 'src/core/dhcp/nm-dhcp-manager.c')
| -rw-r--r-- | src/core/dhcp/nm-dhcp-manager.c | 145 |
1 files changed, 25 insertions, 120 deletions
diff --git a/src/core/dhcp/nm-dhcp-manager.c b/src/core/dhcp/nm-dhcp-manager.c index 44b8ede2..3cb89393 100644 --- a/src/core/dhcp/nm-dhcp-manager.c +++ b/src/core/dhcp/nm-dhcp-manager.c @@ -27,7 +27,6 @@ typedef struct { const NMDhcpClientFactory *client_factory; char * default_hostname; - CList dhcp_client_lst_head; } NMDhcpManagerPrivate; struct _NMDhcpManager { @@ -45,14 +44,6 @@ G_DEFINE_TYPE(NMDhcpManager, nm_dhcp_manager, G_TYPE_OBJECT) /*****************************************************************************/ -static void client_state_changed(NMDhcpClient * client, - NMDhcpState state, - GObject * ip_config, - GVariant * options, - NMDhcpManager *self); - -/*****************************************************************************/ - /* default to installed helper, but can be modified for testing */ const char *nm_dhcp_helper_path = LIBEXECDIR "/nm-dhcp-helper"; @@ -63,9 +54,9 @@ _client_factory_find_by_name(const char *name) { int i; - g_return_val_if_fail(name, NULL); + nm_assert(name); - for (i = 0; i < G_N_ELEMENTS(_nm_dhcp_manager_factories); i++) { + for (i = 0; i < (int) G_N_ELEMENTS(_nm_dhcp_manager_factories); i++) { const NMDhcpClientFactory *f = _nm_dhcp_manager_factories[i]; if (f && nm_streq(f->name, name)) @@ -85,11 +76,10 @@ _client_factory_available(const NMDhcpClientFactory *client_factory) static GType _client_factory_get_gtype(const NMDhcpClientFactory *client_factory, int addr_family) { - GType gtype; - nm_auto_unref_gtypeclass NMDhcpClientClass *klass = NULL; + GType gtype; + GType (*get_type_fcn)(void); nm_assert(client_factory); - nm_assert_addr_family(addr_family); /* currently, the chosen DHCP plugin for IPv4 and IPv6 is configured in NetworkManager.conf * and cannot be reloaded. It would be nice to configure the plugin per address family @@ -111,29 +101,22 @@ _client_factory_get_gtype(const NMDhcpClientFactory *client_factory, int addr_fa * to those plugins. But we don't intend to do so. The internal plugin is the way forward and * not extending other plugins. */ - if (client_factory->get_type_per_addr_family) - gtype = client_factory->get_type_per_addr_family(addr_family); + if (NM_IS_IPv4(addr_family)) + get_type_fcn = client_factory->get_type_4; else - gtype = client_factory->get_type(); - - if (client_factory == &_nm_dhcp_client_factory_internal) { - /* we are already using the internal plugin. Nothing to do. */ - goto out; + get_type_fcn = client_factory->get_type_6; + + if (!get_type_fcn) { + /* If the factory does not support the address family, we always + * fallback to the internal. */ + if (NM_IS_IPv4(addr_family)) + get_type_fcn = _nm_dhcp_client_factory_internal.get_type_4; + else + get_type_fcn = _nm_dhcp_client_factory_internal.get_type_6; } - klass = g_type_class_ref(gtype); - - nm_assert(NM_IS_DHCP_CLIENT_CLASS(klass)); + gtype = get_type_fcn(); - if (addr_family == AF_INET6) { - if (!klass->ip6_start) - gtype = _client_factory_get_gtype(&_nm_dhcp_client_factory_internal, addr_family); - } else { - if (!klass->ip4_start) - gtype = _client_factory_get_gtype(&_nm_dhcp_client_factory_internal, addr_family); - } - -out: nm_assert(g_type_is_a(gtype, NM_TYPE_DHCP_CLIENT)); nm_assert(({ nm_auto_unref_gtypeclass NMDhcpClientClass *k = g_type_class_ref(gtype); @@ -147,56 +130,6 @@ out: /*****************************************************************************/ static NMDhcpClient * -get_client_for_ifindex(NMDhcpManager *manager, int addr_family, int ifindex) -{ - NMDhcpManagerPrivate *priv; - NMDhcpClient * client; - - g_return_val_if_fail(NM_IS_DHCP_MANAGER(manager), NULL); - g_return_val_if_fail(ifindex > 0, NULL); - - priv = NM_DHCP_MANAGER_GET_PRIVATE(manager); - - c_list_for_each_entry (client, &priv->dhcp_client_lst_head, dhcp_client_lst) { - if (nm_dhcp_client_get_ifindex(client) == ifindex - && nm_dhcp_client_get_addr_family(client) == addr_family) - return client; - } - - return NULL; -} - -static void -remove_client(NMDhcpManager *self, NMDhcpClient *client) -{ - g_signal_handlers_disconnect_by_func(client, client_state_changed, self); - c_list_unlink(&client->dhcp_client_lst); - - /* Stopping the client is left up to the controlling device - * explicitly since we may want to quit NetworkManager but not terminate - * the DHCP client. - */ -} - -static void -remove_client_unref(NMDhcpManager *self, NMDhcpClient *client) -{ - remove_client(self, client); - g_object_unref(client); -} - -static void -client_state_changed(NMDhcpClient * client, - NMDhcpState state, - GObject * ip_config, - GVariant * options, - NMDhcpManager *self) -{ - if (state >= NM_DHCP_STATE_TIMEOUT) - remove_client_unref(self, client); -} - -static NMDhcpClient * client_start(NMDhcpManager * self, int addr_family, NMDedupMultiIndex * multi_idx, @@ -226,10 +159,10 @@ client_start(NMDhcpManager * self, GError ** error) { NMDhcpManagerPrivate *priv; - NMDhcpClient * client; - gboolean success = FALSE; - gsize hwaddr_len; - GType gtype; + gs_unref_object NMDhcpClient *client = NULL; + gboolean success = FALSE; + gsize hwaddr_len; + GType gtype; g_return_val_if_fail(NM_IS_DHCP_MANAGER(self), NULL); g_return_val_if_fail(iface, NULL); @@ -278,20 +211,6 @@ client_start(NMDhcpManager * self, priv = NM_DHCP_MANAGER_GET_PRIVATE(self); - /* Kill any old client instance */ - client = get_client_for_ifindex(self, addr_family, ifindex); - if (client) { - /* FIXME: we cannot just call synchronously "stop()" and forget about the client. - * We need to wait for the client to be fully stopped because most/all clients - * cannot quit right away. - * - * FIXME(shutdown): also fix this during shutdown, to wait for all DHCP clients - * to be fully stopped. */ - remove_client(self, client); - nm_dhcp_client_stop(client, FALSE); - g_object_unref(client); - } - gtype = _client_factory_get_gtype(priv->client_factory, addr_family); nm_log_trace(LOGD_DHCP, @@ -340,12 +259,6 @@ client_start(NMDhcpManager * self, NM_DHCP_CLIENT_ANYCAST_ADDRESS, anycast_address, NULL); - nm_assert(client && c_list_is_empty(&client->dhcp_client_lst)); - c_list_link_tail(&priv->dhcp_client_lst_head, &client->dhcp_client_lst); - g_signal_connect(client, - NM_DHCP_CLIENT_SIGNAL_STATE_CHANGED, - G_CALLBACK(client_state_changed), - self); /* unfortunately, our implementations work differently per address-family regarding client-id/DUID. * @@ -385,12 +298,10 @@ client_start(NMDhcpManager * self, error); } - if (!success) { - remove_client_unref(self, client); + if (!success) return NULL; - } - return g_object_ref(client); + return g_steal_pointer(&client); } /* Caller owns a reference to the NMDhcpClient on return */ @@ -596,9 +507,7 @@ nm_dhcp_manager_init(NMDhcpManager *self) int i; const NMDhcpClientFactory *client_factory = NULL; - c_list_init(&priv->dhcp_client_lst_head); - - for (i = 0; i < G_N_ELEMENTS(_nm_dhcp_manager_factories); i++) { + for (i = 0; i < (int) G_N_ELEMENTS(_nm_dhcp_manager_factories); i++) { const NMDhcpClientFactory *f = _nm_dhcp_manager_factories[i]; if (!f) @@ -608,7 +517,7 @@ nm_dhcp_manager_init(NMDhcpManager *self) "dhcp-init: enabled DHCP client '%s'%s%s", f->name, _client_factory_available(f) ? "" : " (not available)", - f->experimental ? " (undocumented internal plugin)" : ""); + f->undocumented ? " (undocumented internal plugin)" : ""); } /* Client-specific setup */ @@ -644,7 +553,7 @@ nm_dhcp_manager_init(NMDhcpManager *self) } } if (!client_factory) { - for (i = 0; i < G_N_ELEMENTS(_nm_dhcp_manager_factories); i++) { + for (i = 0; i < (int) G_N_ELEMENTS(_nm_dhcp_manager_factories); i++) { client_factory = _client_factory_available(_nm_dhcp_manager_factories[i]); if (client_factory) break; @@ -668,10 +577,6 @@ dispose(GObject *object) { NMDhcpManager * self = NM_DHCP_MANAGER(object); NMDhcpManagerPrivate *priv = NM_DHCP_MANAGER_GET_PRIVATE(self); - NMDhcpClient * client, *client_safe; - - c_list_for_each_entry_safe (client, client_safe, &priv->dhcp_client_lst_head, dhcp_client_lst) - remove_client_unref(self, client); G_OBJECT_CLASS(nm_dhcp_manager_parent_class)->dispose(object); |