diff options
| author | Michael Biebl <biebl@debian.org> | 2016-08-26 02:18:32 +0200 |
|---|---|---|
| committer | Michael Biebl <biebl@debian.org> | 2016-08-26 02:18:32 +0200 |
| commit | 7514efc2f38c9ace4557d4e69d68e7d380389030 (patch) | |
| tree | 7fb00fda86cfcc2ca377f191633a7cfdbfea7ca3 /libnm-core/nm-vpn-editor-plugin.c | |
| parent | d6201f5d8daada3d64a0a3e0038e14eebec683ce (diff) | |
Imported Upstream version 1.4.0 upstream/1.4.0
Diffstat (limited to 'libnm-core/nm-vpn-editor-plugin.c')
| -rw-r--r-- | libnm-core/nm-vpn-editor-plugin.c | 193 |
1 files changed, 192 insertions, 1 deletions
diff --git a/libnm-core/nm-vpn-editor-plugin.c b/libnm-core/nm-vpn-editor-plugin.c index 6c78c209..7cb02abd 100644 --- a/libnm-core/nm-vpn-editor-plugin.c +++ b/libnm-core/nm-vpn-editor-plugin.c @@ -25,6 +25,7 @@ #include "nm-vpn-editor-plugin.h" #include <dlfcn.h> +#include <gmodule.h> #include "nm-core-internal.h" @@ -73,6 +74,159 @@ nm_vpn_editor_plugin_default_init (NMVpnEditorPluginInterface *iface) /*********************************************************************/ +typedef struct { + NMVpnPluginInfo *plugin_info; +} NMVpnEditorPluginPrivate; + +static void +_private_destroy (gpointer data) +{ + NMVpnEditorPluginPrivate *priv = data; + + if (priv->plugin_info) + g_object_remove_weak_pointer ((GObject *) priv->plugin_info, (gpointer *) &priv->plugin_info); + + g_slice_free (NMVpnEditorPluginPrivate, priv); +} + +static NMVpnEditorPluginPrivate * +_private_get (NMVpnEditorPlugin *plugin, gboolean create) +{ + static GQuark quark = 0; + NMVpnEditorPluginPrivate *priv; + + nm_assert (NM_IS_VPN_EDITOR_PLUGIN (plugin)); + + if (G_UNLIKELY (quark == 0)) + quark = g_quark_from_string ("nm-vpn-editor-plugin-private"); + + priv = g_object_get_qdata ((GObject *) plugin, quark); + if (G_LIKELY (priv)) + return priv; + if (!create) + return NULL; + priv = g_slice_new0 (NMVpnEditorPluginPrivate); + g_object_set_qdata_full ((GObject *) plugin, quark, priv, _private_destroy); + return priv; +} + +#define NM_VPN_EDITOR_PLUGIN_GET_PRIVATE(plugin) _private_get (plugin, TRUE) +#define NM_VPN_EDITOR_PLUGIN_TRY_GET_PRIVATE(plugin) _private_get (plugin, FALSE) + +/*********************************************************************/ + +/** + * nm_vpn_editor_plugin_get_plugin_info: + * @plugin: the #NMVpnEditorPlugin instance + * + * Returns: (transfer none): if set, return the #NMVpnPluginInfo instance. + * + * Since: 1.4 + */ +NMVpnPluginInfo * +nm_vpn_editor_plugin_get_plugin_info (NMVpnEditorPlugin *plugin) +{ + NMVpnEditorPluginPrivate *priv; + + g_return_val_if_fail (NM_IS_VPN_EDITOR_PLUGIN (plugin), NULL); + + priv = NM_VPN_EDITOR_PLUGIN_TRY_GET_PRIVATE (plugin); + return priv ? priv->plugin_info : NULL; +} + +/** + * nm_vpn_editor_plugin_set_plugin_info: + * @plugin: the #NMVpnEditorPlugin instance + * @plugin_info: (allow-none): a #NMVpnPluginInfo instance or %NULL + * + * Set or clear the plugin-info instance. + * This takes a weak reference on @plugin_info, to avoid circular + * reference as the plugin-info might also reference the editor-plugin. + * + * Since: 1.4 + */ +void +nm_vpn_editor_plugin_set_plugin_info (NMVpnEditorPlugin *plugin, NMVpnPluginInfo *plugin_info) +{ + NMVpnEditorPluginInterface *interface; + NMVpnEditorPluginPrivate *priv; + + g_return_if_fail (NM_IS_VPN_EDITOR_PLUGIN (plugin)); + + if (!plugin_info) { + priv = NM_VPN_EDITOR_PLUGIN_TRY_GET_PRIVATE (plugin); + if (!priv) + return; + } else { + g_return_if_fail (NM_IS_VPN_PLUGIN_INFO (plugin_info)); + priv = NM_VPN_EDITOR_PLUGIN_GET_PRIVATE (plugin); + } + + if (priv->plugin_info == plugin_info) + return; + if (priv->plugin_info) + g_object_remove_weak_pointer ((GObject *) priv->plugin_info, (gpointer *) &priv->plugin_info); + priv->plugin_info = plugin_info; + if (priv->plugin_info) + g_object_add_weak_pointer ((GObject *) priv->plugin_info, (gpointer *) &priv->plugin_info); + + if (plugin_info) { + interface = NM_VPN_EDITOR_PLUGIN_GET_INTERFACE (plugin); + if (interface->notify_plugin_info_set) + interface->notify_plugin_info_set (plugin, plugin_info); + } + +} + +/*********************************************************************/ + +/** + * nm_vpn_editor_plugin_get_vt: + * @plugin: the #NMVpnEditorPlugin + * @vt: (out): buffer to be filled with the VT table of the plugin + * @vt_size: the size of the buffer. Can be 0 to only query the + * size of plugin's VT. + * + * Returns an opaque VT function table for the plugin to extend + * functionality. The actual meaning of NMVpnEditorPluginVT is not + * defined in public API of libnm, instead it must be agreed by + * both the plugin and the caller. See the header-only file + * 'nm-vpn-editor-plugin-call.h' which defines the meaning. + * + * Returns: the actual size of the @plugin's virtual function table. + * + * Since: 1.4 + **/ +gsize +nm_vpn_editor_plugin_get_vt (NMVpnEditorPlugin *plugin, + NMVpnEditorPluginVT *vt, + gsize vt_size) +{ + const NMVpnEditorPluginVT *p_vt = NULL; + gsize p_vt_size = 0; + NMVpnEditorPluginInterface *interface; + + g_return_val_if_fail (NM_IS_VPN_EDITOR_PLUGIN (plugin), 0); + + if (vt_size) { + g_return_val_if_fail (vt, 0); + memset (vt, 0, vt_size); + } + + interface = NM_VPN_EDITOR_PLUGIN_GET_INTERFACE (plugin); + if (interface->get_vt) { + p_vt = interface->get_vt (plugin, &p_vt_size); + if (!p_vt) + p_vt_size = 0; + g_return_val_if_fail (p_vt_size, 0); + memcpy (vt, p_vt, MIN (vt_size, p_vt_size)); + } + + return p_vt_size; +} + +/*********************************************************************/ + static NMVpnEditorPlugin * _nm_vpn_editor_plugin_load (const char *plugin_name, gboolean do_file_checks, @@ -232,7 +386,8 @@ _nm_vpn_editor_plugin_load (const char *plugin_name, * If @plugin_name is not an absolute path name, it assumes the file * is in the plugin directory of NetworkManager. In any case, the call * will do certain checks on the file before passing it to dlopen. - * A consequence for that is, that you cannot omit the ".so" suffix. + * A consequence for that is, that you cannot omit the ".so" suffix + * as you could for nm_vpn_editor_plugin_load(). * * Returns: (transfer full): a new plugin instance or %NULL on error. * @@ -255,6 +410,42 @@ nm_vpn_editor_plugin_load_from_file (const char *plugin_name, error); } +/** + * nm_vpn_editor_plugin_load: + * @plugin_name: The name of the shared library to load. + * This path will be directly passed to dlopen() without + * further checks. + * @check_service: if not-null, check that the loaded plugin advertises + * the given service. + * @error: on failure the error reason. + * + * Load the shared libary @plugin_name and create a new + * #NMVpnEditorPlugin instace via the #NMVpnEditorPluginFactory + * function. + * + * This is similar to nm_vpn_editor_plugin_load_from_file(), but + * it does no validation of the plugin name, instead passes it directly + * to dlopen(). If you have the full path to a plugin file, + * nm_vpn_editor_plugin_load_from_file() is preferred. + * + * Returns: (transfer full): a new plugin instance or %NULL on error. + * + * Since: 1.4 + */ +NMVpnEditorPlugin * +nm_vpn_editor_plugin_load (const char *plugin_name, + const char *check_service, + GError **error) +{ + return _nm_vpn_editor_plugin_load (plugin_name, + FALSE, + check_service, + -1, + NULL, + NULL, + error); +} + /*********************************************************************/ /** |