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authorZhang zhengguang <zhengguang.zhang@intel.com>2014-07-17 02:37:39 (GMT)
committerZhang zhengguang <zhengguang.zhang@intel.com>2014-07-17 02:37:39 (GMT)
commit1b9d0a62f59bb48c8deb2f0b98d9acdffdd9abe7 (patch)
tree6e991827d28537f7f40f20786c2354fd04a9fdad /src/peer.c
parentfbe905ab58ecc31fe64c410c5f580cadc30e7f04 (diff)
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Imported Upstream version 1.24upstream/1.24
Diffstat (limited to 'src/peer.c')
-rw-r--r--src/peer.c317
1 files changed, 317 insertions, 0 deletions
diff --git a/src/peer.c b/src/peer.c
new file mode 100644
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--- /dev/null
+++ b/src/peer.c
@@ -0,0 +1,317 @@
+/*
+ *
+ * Connection Manager
+ *
+ * Copyright (C) 2014 Intel Corporation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <errno.h>
+#include <gdbus.h>
+
+#include "connman.h"
+
+static DBusConnection *connection = NULL;
+
+static GHashTable *peers_table = NULL;
+
+struct connman_peer {
+ char *identifier;
+ char *name;
+ char *path;
+};
+
+static void peer_free(gpointer data)
+{
+ struct connman_peer *peer = data;
+ connman_peer_destroy(peer);
+}
+
+static void append_properties(DBusMessageIter *iter, struct connman_peer *peer)
+{
+ const char *state = "disconnected";
+ DBusMessageIter dict;
+
+ connman_dbus_dict_open(iter, &dict);
+
+ connman_dbus_dict_append_basic(&dict, "State",
+ DBUS_TYPE_STRING, &state);
+ connman_dbus_dict_append_basic(&dict, "Name",
+ DBUS_TYPE_STRING, &peer->name);
+ connman_dbus_dict_append_dict(&dict, "IPv4", NULL, NULL);
+
+ connman_dbus_dict_close(iter, &dict);
+}
+
+static DBusMessage *get_peer_properties(DBusConnection *conn,
+ DBusMessage *msg, void *data)
+{
+ struct connman_peer *peer = data;
+ DBusMessageIter dict;
+ DBusMessage *reply;
+
+ reply = dbus_message_new_method_return(msg);
+ if (!reply)
+ return NULL;
+
+ dbus_message_iter_init_append(reply, &dict);
+ append_properties(&dict, peer);
+
+ return reply;
+}
+
+static void append_peer_struct(gpointer key, gpointer value,
+ gpointer user_data)
+{
+ DBusMessageIter *array = user_data;
+ struct connman_peer *peer = value;
+ DBusMessageIter entry;
+
+ dbus_message_iter_open_container(array, DBUS_TYPE_STRUCT,
+ NULL, &entry);
+ dbus_message_iter_append_basic(&entry, DBUS_TYPE_OBJECT_PATH,
+ &peer->path);
+ append_properties(&entry, peer);
+ dbus_message_iter_close_container(array, &entry);
+}
+
+struct _peers_notify {
+ int id;
+ GHashTable *add;
+ GHashTable *remove;
+} *peers_notify;
+
+static void append_existing_and_new_peers(gpointer key,
+ gpointer value, gpointer user_data)
+{
+ struct connman_peer *peer = value;
+ DBusMessageIter *iter = user_data;
+ DBusMessageIter entry;
+
+ if (g_hash_table_lookup(peers_notify->add, peer->path)) {
+ DBG("new %s", peer->path);
+
+ append_peer_struct(key, value, user_data);
+ g_hash_table_remove(peers_notify->add, peer->path);
+ } else {
+ DBG("existing %s", peer->path);
+
+ dbus_message_iter_open_container(iter, DBUS_TYPE_STRUCT,
+ NULL, &entry);
+ dbus_message_iter_append_basic(&entry, DBUS_TYPE_OBJECT_PATH,
+ &peer->path);
+ dbus_message_iter_close_container(iter, &entry);
+ }
+}
+
+static void peer_append_all(DBusMessageIter *iter, void *user_data)
+{
+ g_hash_table_foreach(peers_table, append_existing_and_new_peers, iter);
+}
+
+static void append_removed(gpointer key, gpointer value, gpointer user_data)
+{
+ DBusMessageIter *iter = user_data;
+ char *objpath = key;
+
+ DBG("removed %s", objpath);
+ dbus_message_iter_append_basic(iter, DBUS_TYPE_OBJECT_PATH, &objpath);
+}
+
+static void peer_append_removed(DBusMessageIter *iter, void *user_data)
+{
+ g_hash_table_foreach(peers_notify->remove, append_removed, iter);
+}
+
+static gboolean peer_send_changed(gpointer data)
+{
+ DBusMessage *signal;
+
+ DBG("");
+
+ peers_notify->id = 0;
+
+ signal = dbus_message_new_signal(CONNMAN_MANAGER_PATH,
+ CONNMAN_MANAGER_INTERFACE, "PeersChanged");
+ if (!signal)
+ return FALSE;
+
+ __connman_dbus_append_objpath_dict_array(signal,
+ peer_append_all, NULL);
+ __connman_dbus_append_objpath_array(signal,
+ peer_append_removed, NULL);
+
+ dbus_connection_send(connection, signal, NULL);
+ dbus_message_unref(signal);
+
+ g_hash_table_remove_all(peers_notify->remove);
+ g_hash_table_remove_all(peers_notify->add);
+
+ return FALSE;
+}
+
+static void peer_schedule_changed(void)
+{
+ if (peers_notify->id != 0)
+ return;
+
+ peers_notify->id = g_timeout_add(100, peer_send_changed, NULL);
+}
+
+static void peer_added(struct connman_peer *peer)
+{
+ DBG("peer %p", peer);
+
+ g_hash_table_remove(peers_notify->remove, peer->path);
+ g_hash_table_replace(peers_notify->add, peer->path, peer);
+
+ peer_schedule_changed();
+}
+
+static void peer_removed(struct connman_peer *peer)
+{
+ DBG("peer %p", peer);
+
+ g_hash_table_remove(peers_notify->add, peer->path);
+ g_hash_table_replace(peers_notify->remove, g_strdup(peer->path), NULL);
+
+ peer_schedule_changed();
+}
+
+struct connman_peer *connman_peer_create(const char *identifier)
+{
+ struct connman_peer *peer;
+
+ peer = g_malloc0(sizeof(struct connman_peer));
+ peer->identifier = g_strdup_printf("peer_%s", identifier);
+
+ return peer;
+}
+
+void connman_peer_destroy(struct connman_peer *peer)
+{
+ if (!peer)
+ return;
+
+ if (peer->path) {
+ peer_removed(peer);
+ g_dbus_unregister_interface(connection, peer->path,
+ CONNMAN_PEER_INTERFACE);
+ g_free(peer->path);
+ }
+
+ g_free(peer->identifier);
+ g_free(peer->name);
+
+ g_free(peer);
+}
+
+void connman_peer_set_name(struct connman_peer *peer, const char *name)
+{
+ g_free(peer->name);
+ peer->name = g_strdup(name);
+}
+
+static const GDBusMethodTable peer_methods[] = {
+ { GDBUS_METHOD("GetProperties",
+ NULL, GDBUS_ARGS({ "properties", "a{sv}" }),
+ get_peer_properties) },
+ { GDBUS_ASYNC_METHOD("Connect", NULL, NULL, NULL) },
+ { GDBUS_METHOD("Disconnect", NULL, NULL, NULL) },
+ { },
+};
+
+static const GDBusSignalTable peer_signals[] = {
+ { GDBUS_SIGNAL("PropertyChanged",
+ GDBUS_ARGS({ "name", "s" }, { "value", "v" })) },
+ { },
+};
+
+int connman_peer_register(struct connman_peer *peer)
+{
+ DBG("peer %p", peer);
+
+ if (peer->path)
+ return -EALREADY;
+
+ peer->path = g_strdup_printf("%s/peer/%s", CONNMAN_PATH,
+ peer->identifier);
+ DBG("path %s", peer->path);
+
+ g_hash_table_insert(peers_table, peer->identifier, peer);
+
+ g_dbus_register_interface(connection, peer->path,
+ CONNMAN_PEER_INTERFACE,
+ peer_methods, peer_signals,
+ NULL, peer, NULL);
+ peer_added(peer);
+
+ return 0;
+}
+
+void connman_peer_unregister(struct connman_peer *peer)
+{
+ DBG("peer %p", peer);
+
+ if (peer->path)
+ g_hash_table_remove(peers_table, peer->identifier);
+ else
+ connman_peer_destroy(peer);
+}
+
+struct connman_peer *connman_peer_get(const char *identifier)
+{
+ char *ident = g_strdup_printf("peer_%s", identifier);
+ struct connman_peer *peer;
+
+ peer = g_hash_table_lookup(peers_table, ident);
+ g_free(ident);
+
+ return peer;
+}
+
+void __connman_peer_list_struct(DBusMessageIter *array)
+{
+ g_hash_table_foreach(peers_table, append_peer_struct, array);
+}
+
+int __connman_peer_init(void)
+{
+ DBG("");
+
+ connection = connman_dbus_get_connection();
+
+ peers_table = g_hash_table_new_full(g_str_hash, g_str_equal,
+ NULL, peer_free);
+
+ peers_notify = g_new0(struct _peers_notify, 1);
+ peers_notify->add = g_hash_table_new(g_str_hash, g_str_equal);
+ peers_notify->remove = g_hash_table_new_full(g_str_hash, g_str_equal,
+ g_free, NULL);
+ return 0;
+}
+
+void __connman_peer_cleanup(void)
+{
+ DBG("");
+
+ g_hash_table_destroy(peers_table);
+ dbus_connection_unref(connection);
+}