summaryrefslogtreecommitdiff
path: root/src/messenger/gnunet-service-messenger_message_kind.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/messenger/gnunet-service-messenger_message_kind.c')
-rw-r--r--src/messenger/gnunet-service-messenger_message_kind.c192
1 files changed, 192 insertions, 0 deletions
diff --git a/src/messenger/gnunet-service-messenger_message_kind.c b/src/messenger/gnunet-service-messenger_message_kind.c
new file mode 100644
index 000000000..9c829fe09
--- /dev/null
+++ b/src/messenger/gnunet-service-messenger_message_kind.c
@@ -0,0 +1,192 @@
+/*
+ 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/gnunet-service-messenger_message_kind.c
+ * @brief GNUnet MESSENGER service
+ */
+
+#include "gnunet-service-messenger_message_kind.h"
+#include "gnunet-service-messenger_util.h"
+
+struct GNUNET_MESSENGER_Message*
+create_message_info (struct GNUNET_MESSENGER_Ego *ego, struct GNUNET_CONTAINER_MultiShortmap *members)
+{
+ struct GNUNET_MESSENGER_Message *message = create_message (GNUNET_MESSENGER_KIND_INFO);
+
+ if (!message)
+ return NULL;
+
+ GNUNET_memcpy(&(message->body.info.host_key), &(ego->pub), sizeof(ego->pub));
+
+ if (GNUNET_YES == generate_free_member_id (&(message->body.info.unique_id), members))
+ return message;
+ else
+ {
+ destroy_message (message);
+ return NULL;
+ }
+}
+
+struct GNUNET_MESSENGER_Message*
+create_message_join (struct GNUNET_MESSENGER_Ego *ego)
+{
+ struct GNUNET_MESSENGER_Message *message = create_message (GNUNET_MESSENGER_KIND_JOIN);
+
+ if (!message)
+ return NULL;
+
+ GNUNET_memcpy(&(message->body.join.key), &(ego->pub), sizeof(ego->pub));
+
+ return message;
+}
+
+struct GNUNET_MESSENGER_Message*
+create_message_leave ()
+{
+ return create_message (GNUNET_MESSENGER_KIND_LEAVE);
+}
+
+struct GNUNET_MESSENGER_Message*
+create_message_name (const char *name)
+{
+ struct GNUNET_MESSENGER_Message *message = create_message (GNUNET_MESSENGER_KIND_NAME);
+
+ if (!message)
+ return NULL;
+
+ message->body.name.name = GNUNET_strdup(name);
+ return message;
+}
+
+struct GNUNET_MESSENGER_Message*
+create_message_key (const struct GNUNET_IDENTITY_PrivateKey *key)
+{
+ struct GNUNET_MESSENGER_Message *message = create_message (GNUNET_MESSENGER_KIND_KEY);
+
+ if (!message)
+ return NULL;
+
+ GNUNET_IDENTITY_key_get_public (key, &(message->body.key.key));
+ return message;
+}
+
+struct GNUNET_MESSENGER_Message*
+create_message_peer (const struct GNUNET_MESSENGER_Service *service)
+{
+ struct GNUNET_MESSENGER_Message *message = create_message (GNUNET_MESSENGER_KIND_PEER);
+
+ if (!message)
+ return NULL;
+
+ if (GNUNET_OK == get_service_peer_identity (service, &(message->body.peer.peer)))
+ return message;
+ else
+ {
+ destroy_message (message);
+ return NULL;
+ }
+}
+
+struct GNUNET_MESSENGER_Message*
+create_message_id (const struct GNUNET_ShortHashCode *unique_id)
+{
+ struct GNUNET_MESSENGER_Message *message = create_message (GNUNET_MESSENGER_KIND_ID);
+
+ if (!message)
+ return NULL;
+
+ GNUNET_memcpy(&(message->body.id.id), unique_id, sizeof(struct GNUNET_ShortHashCode));
+
+ return message;
+}
+
+struct GNUNET_MESSENGER_Message*
+create_message_miss (const struct GNUNET_PeerIdentity *peer)
+{
+ struct GNUNET_MESSENGER_Message *message = create_message (GNUNET_MESSENGER_KIND_MISS);
+
+ if (!message)
+ {
+ return NULL;
+ }
+
+ GNUNET_memcpy(&(message->body.miss.peer), peer, sizeof(struct GNUNET_PeerIdentity));
+
+ return message;
+}
+
+struct GNUNET_MESSENGER_Message*
+create_message_merge (const struct GNUNET_HashCode *previous)
+{
+ struct GNUNET_MESSENGER_Message *message = create_message (GNUNET_MESSENGER_KIND_MERGE);
+
+ if (!message)
+ return NULL;
+
+ GNUNET_memcpy(&(message->body.merge.previous), previous, sizeof(struct GNUNET_HashCode));
+
+ return message;
+}
+
+struct GNUNET_MESSENGER_Message*
+create_message_request (const struct GNUNET_HashCode *hash)
+{
+ struct GNUNET_HashCode zero;
+ memset (&zero, 0, sizeof(zero));
+
+ if (0 == GNUNET_CRYPTO_hash_cmp (hash, &zero))
+ return NULL;
+
+ struct GNUNET_MESSENGER_Message *message = create_message (GNUNET_MESSENGER_KIND_REQUEST);
+
+ if (!message)
+ return NULL;
+
+ GNUNET_memcpy(&(message->body.request.hash), hash, sizeof(struct GNUNET_HashCode));
+
+ return message;
+}
+
+struct GNUNET_MESSENGER_Message*
+create_message_invite (const struct GNUNET_PeerIdentity *door, const struct GNUNET_HashCode *key)
+{
+ struct GNUNET_MESSENGER_Message *message = create_message (GNUNET_MESSENGER_KIND_INVITE);
+
+ if (!message)
+ return NULL;
+
+ GNUNET_memcpy(&(message->body.invite.door), door, sizeof(struct GNUNET_PeerIdentity));
+ GNUNET_memcpy(&(message->body.invite.key), key, sizeof(struct GNUNET_HashCode));
+
+ return message;
+}
+
+struct GNUNET_MESSENGER_Message*
+create_message_text (const char *text)
+{
+ struct GNUNET_MESSENGER_Message *message = create_message (GNUNET_MESSENGER_KIND_TEXT);
+
+ if (!message)
+ return NULL;
+
+ message->body.text.text = GNUNET_strdup(text);
+ return message;
+}