1 files changed, 169 insertions, 0 deletions

diff --git a/src/messenger/messenger_api_message_kind.c b/src/messenger/messenger_api_message_kind.c
new file mode 100644
index 000000000..97eaa061b
--- /dev/null
+++ b/src/messenger/messenger_api_message_kind.c
@@ -0,0 +1,169 @@
+/*
+   This file is part of GNUnet.
+   Copyright (C) 2020--2023 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 "messenger_api_message_kind.h"
+
+#include "platform.h"
+#include "messenger_api_util.h"
+
+struct GNUNET_MESSENGER_Message*
+create_message_join (const struct GNUNET_IDENTITY_PrivateKey *key)
+{
+  if (!key)
+    return NULL;
+
+  struct GNUNET_MESSENGER_Message *message = create_message (GNUNET_MESSENGER_KIND_JOIN);
+
+  if (!message)
+    return NULL;
+
+  GNUNET_IDENTITY_key_get_public (key, &(message->body.join.key));
+  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)
+{
+  if (!name)
+    return NULL;
+
+  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)
+{
+  if (!key)
+    return NULL;
+
+  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_id (const struct GNUNET_ShortHashCode *unique_id)
+{
+  if (!unique_id)
+    return NULL;
+
+  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_request (const struct GNUNET_HashCode *hash)
+{
+  if (!hash)
+    return NULL;
+
+  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)
+{
+  if ((!door) || (!key))
+    return NULL;
+
+  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)
+{
+  if (!text)
+    return NULL;
+
+  struct GNUNET_MESSENGER_Message *message = create_message (GNUNET_MESSENGER_KIND_TEXT);
+
+  if (!message)
+    return NULL;
+
+  message->body.text.text = GNUNET_strdup(text);
+  return message;
+}
+
+struct GNUNET_MESSENGER_Message*
+create_message_delete (const struct GNUNET_HashCode *hash,
+                       const struct GNUNET_TIME_Relative delay)
+{
+  if (!hash)
+    return NULL;
+
+  struct GNUNET_MESSENGER_Message *message = create_message (GNUNET_MESSENGER_KIND_DELETE);
+
+  if (!message)
+    return NULL;
+
+  GNUNET_memcpy(&(message->body.deletion.hash), hash, sizeof(struct GNUNET_HashCode));
+  message->body.deletion.delay = GNUNET_TIME_relative_hton (delay);
+
+  return message;
+}