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-rw-r--r--src/messenger/messenger_api_handle.c213
1 files changed, 213 insertions, 0 deletions
diff --git a/src/messenger/messenger_api_handle.c b/src/messenger/messenger_api_handle.c
new file mode 100644
index 000000000..20ef77254
--- /dev/null
+++ b/src/messenger/messenger_api_handle.c
@@ -0,0 +1,213 @@
+/*
+ This file is part of GNUnet.
+ Copyright (C) 2020 GNUnet e.V.
+
+ GNUnet is free software: you can redistribute it and/or modify it
+ under the terms of the GNU Affero General Public License as published
+ by the Free Software Foundation, either version 3 of the License,
+ or (at your option) any later version.
+
+ GNUnet 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
+ Affero General Public License for more details.
+
+ You should have received a copy of the GNU Affero General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+ SPDX-License-Identifier: AGPL3.0-or-later
+ */
+/**
+ * @author Tobias Frisch
+ * @file src/messenger/messenger_api_handle.c
+ * @brief messenger api: client implementation of GNUnet MESSENGER service
+ */
+
+#include "messenger_api_handle.h"
+
+struct GNUNET_MESSENGER_Handle*
+create_handle (const struct GNUNET_CONFIGURATION_Handle *cfg, GNUNET_MESSENGER_IdentityCallback identity_callback,
+ void *identity_cls, GNUNET_MESSENGER_MessageCallback msg_callback, void *msg_cls)
+{
+ struct GNUNET_MESSENGER_Handle *handle = GNUNET_new(struct GNUNET_MESSENGER_Handle);
+
+ handle->cfg = cfg;
+ handle->mq = NULL;
+
+ handle->identity_callback = identity_callback;
+ handle->identity_cls = identity_cls;
+
+ handle->msg_callback = msg_callback;
+ handle->msg_cls = msg_cls;
+
+ handle->name = NULL;
+ handle->pubkey = NULL;
+
+ handle->reconnect_time = GNUNET_TIME_relative_get_zero_ ();
+ handle->reconnect_task = NULL;
+
+ handle->rooms = GNUNET_CONTAINER_multihashmap_create (8, GNUNET_NO);
+ handle->contacts = GNUNET_CONTAINER_multihashmap_create (8, GNUNET_NO);
+
+ return handle;
+}
+
+static int
+iterate_destroy_room (void *cls, const struct GNUNET_HashCode *key, void *value)
+{
+ struct GNUNET_MESSENGER_Room *room = value;
+
+ destroy_room (room);
+
+ return GNUNET_YES;
+}
+
+static int
+iterate_destroy_contact (void *cls, const struct GNUNET_HashCode *key, void *value)
+{
+ struct GNUNET_MESSENGER_Contact *contact = value;
+
+ destroy_contact (contact);
+
+ return GNUNET_YES;
+}
+
+void
+destroy_handle (struct GNUNET_MESSENGER_Handle *handle)
+{
+ if (handle->reconnect_task)
+ GNUNET_SCHEDULER_cancel (handle->reconnect_task);
+
+ if (handle->mq)
+ GNUNET_MQ_destroy (handle->mq);
+
+ if (handle->name)
+ GNUNET_free(handle->name);
+
+ if (handle->pubkey)
+ GNUNET_free(handle->pubkey);
+
+ if (handle->rooms)
+ {
+ GNUNET_CONTAINER_multihashmap_iterate (handle->rooms, iterate_destroy_room, NULL);
+
+ GNUNET_CONTAINER_multihashmap_destroy (handle->rooms);
+ }
+
+ if (handle->contacts)
+ {
+ GNUNET_CONTAINER_multihashmap_iterate (handle->contacts, iterate_destroy_contact, NULL);
+
+ GNUNET_CONTAINER_multihashmap_destroy (handle->contacts);
+ }
+
+ GNUNET_free(handle->name);
+}
+
+void
+set_handle_name (struct GNUNET_MESSENGER_Handle *handle, const char *name)
+{
+ if (handle->name)
+ GNUNET_free(handle->name);
+
+ handle->name = name? GNUNET_strdup(name) : NULL;
+}
+
+const char*
+get_handle_name (const struct GNUNET_MESSENGER_Handle *handle)
+{
+ return handle->name;
+}
+
+void
+set_handle_key (struct GNUNET_MESSENGER_Handle *handle, const struct GNUNET_IDENTITY_PublicKey *pubkey)
+{
+ if (!handle->pubkey)
+ handle->pubkey = GNUNET_new(struct GNUNET_IDENTITY_PublicKey);
+
+ GNUNET_memcpy(handle->pubkey, pubkey, sizeof(*pubkey));
+}
+
+const struct GNUNET_IDENTITY_PublicKey*
+get_handle_key (const struct GNUNET_MESSENGER_Handle *handle)
+{
+ if (!handle->pubkey)
+ {
+ struct GNUNET_IDENTITY_Ego *anonymous = GNUNET_IDENTITY_ego_get_anonymous ();
+ static struct GNUNET_IDENTITY_PublicKey pubkey;
+
+ GNUNET_IDENTITY_ego_get_public_key (anonymous, &pubkey);
+
+ return &pubkey;
+ }
+
+ return handle->pubkey;
+}
+
+struct GNUNET_MESSENGER_Contact*
+get_handle_contact_by_pubkey (const struct GNUNET_MESSENGER_Handle *handle,
+ const struct GNUNET_IDENTITY_PublicKey *pubkey)
+{
+ struct GNUNET_HashCode hash;
+
+ GNUNET_CRYPTO_hash (pubkey, sizeof(*pubkey), &hash);
+
+ struct GNUNET_MESSENGER_Contact *contact = GNUNET_CONTAINER_multihashmap_get (handle->contacts, &hash);
+
+ if (contact)
+ return contact;
+
+ contact = create_contact (pubkey);
+
+ if (GNUNET_OK == GNUNET_CONTAINER_multihashmap_put (handle->contacts, &hash, contact,
+ GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_FAST))
+ return contact;
+
+ destroy_contact (contact);
+ return NULL;
+}
+
+void
+swap_handle_contact_by_pubkey (struct GNUNET_MESSENGER_Handle *handle, struct GNUNET_MESSENGER_Contact *contact,
+ const struct GNUNET_IDENTITY_PublicKey *pubkey)
+{
+ const struct GNUNET_HashCode *hash = get_contact_id_from_key (contact);
+
+ if (GNUNET_YES == GNUNET_CONTAINER_multihashmap_remove (handle->contacts, hash, contact))
+ {
+ GNUNET_memcpy(&(contact->public_key), pubkey, sizeof(*pubkey));
+
+ hash = get_contact_id_from_key (contact);
+
+ GNUNET_CONTAINER_multihashmap_put (handle->contacts, hash, contact,
+ GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_FAST);
+ }
+}
+
+void
+open_handle_room (struct GNUNET_MESSENGER_Handle *handle, const struct GNUNET_HashCode *key)
+{
+ struct GNUNET_MESSENGER_Room *room = GNUNET_CONTAINER_multihashmap_get (handle->rooms, key);
+
+ if (room)
+ room->opened = GNUNET_YES;
+}
+
+void
+entry_handle_room_at (struct GNUNET_MESSENGER_Handle *handle, const struct GNUNET_PeerIdentity *door,
+ const struct GNUNET_HashCode *key)
+{
+ struct GNUNET_MESSENGER_Room *room = GNUNET_CONTAINER_multihashmap_get (handle->rooms, key);
+
+ if (room)
+ add_to_list_tunnels (&(room->entries), door);
+}
+
+void
+close_handle_room (struct GNUNET_MESSENGER_Handle *handle, const struct GNUNET_HashCode *key)
+{
+ struct GNUNET_MESSENGER_Room *room = GNUNET_CONTAINER_multihashmap_get (handle->rooms, key);
+
+ if ((room) && (GNUNET_YES == GNUNET_CONTAINER_multihashmap_remove (handle->rooms, key, room)))
+ destroy_room (room);
+}