From ca912f85dae6b61dd80ab02d0e3f0b20a556da7c Mon Sep 17 00:00:00 2001
From: TheJackiMonster <thejackimonster@gmail.com>
Date: Thu, 12 Nov 2020 20:58:07 +0100
Subject: -remerge branch 'jacki/messenger'

This reverts commit e11d1e59e4ae5f7d89c33df3ae9ca8f1ece990cf.
---
 src/messenger/gnunet-service-messenger_contact.h | 112 +++++++++++++++++++++++
 1 file changed, 112 insertions(+)
 create mode 100644 src/messenger/gnunet-service-messenger_contact.h

(limited to 'src/messenger/gnunet-service-messenger_contact.h')

diff --git a/src/messenger/gnunet-service-messenger_contact.h b/src/messenger/gnunet-service-messenger_contact.h
new file mode 100644
index 000000000..4a4f8bf0f
--- /dev/null
+++ b/src/messenger/gnunet-service-messenger_contact.h
@@ -0,0 +1,112 @@
+/*
+   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_contact.h
+ * @brief GNUnet MESSENGER service
+ */
+
+#ifndef GNUNET_SERVICE_MESSENGER_CONTACT_H
+#define GNUNET_SERVICE_MESSENGER_CONTACT_H
+
+#include "platform.h"
+#include "gnunet_crypto_lib.h"
+#include "gnunet_identity_service.h"
+
+struct GNUNET_MESSENGER_SrvContact
+{
+  char *name;
+  size_t rc;
+
+  struct GNUNET_IDENTITY_PublicKey public_key;
+};
+
+/**
+ * Creates and allocates a new contact with a given public <i>key</i> from an EGO.
+ *
+ * @param key Public key
+ * @return New contact
+ */
+struct GNUNET_MESSENGER_SrvContact*
+create_contact (const struct GNUNET_IDENTITY_PublicKey *key);
+
+/**
+ * Destroys a contact and frees its memory fully.
+ *
+ * @param contact Contact
+ */
+void
+destroy_contact (struct GNUNET_MESSENGER_SrvContact *contact);
+
+/**
+ * Returns the current name of a given <i>contact</i> or NULL if no valid name was assigned yet.
+ *
+ * @param contact Contact
+ * @return Name of the contact or NULL
+ */
+const char*
+get_contact_name (const struct GNUNET_MESSENGER_SrvContact *contact);
+
+/**
+ * Changes the current name of a given <i>contact</i> by copying it from the parameter <i>name</i>.
+ *
+ * @param contact Contact
+ * @param name Valid name (may not be NULL!)
+ */
+void
+set_contact_name (struct GNUNET_MESSENGER_SrvContact *contact, const char *name);
+
+/**
+ * Returns the public key of a given <i>contact</i>.
+ *
+ * @param contact Contact
+ * @return Public key of the contact
+ */
+const struct GNUNET_IDENTITY_PublicKey*
+get_contact_key (const struct GNUNET_MESSENGER_SrvContact *contact);
+
+/**
+ * Increases the reference counter of a given <i>contact</i> which is zero as default.
+ *
+ * @param contact Contact
+ */
+void
+increase_contact_rc (struct GNUNET_MESSENGER_SrvContact *contact);
+
+/**
+ * Decreases the reference counter if possible (can not underflow!) of a given <i>contact</i>
+ * and returns GNUNET_YES if the counter is equal to zero, otherwise GNUNET_NO.
+ *
+ * @param contact Contact
+ * @return GNUNET_YES or GNUNET_NO depending on the reference counter
+ */
+int
+decrease_contact_rc (struct GNUNET_MESSENGER_SrvContact *contact);
+
+/**
+ * Returns the resulting hashcode of the public key from a given <i>contact</i>.
+ *
+ * @param contact Contact
+ * @return Hash of the contacts public key
+ */
+const struct GNUNET_HashCode*
+get_contact_id_from_key (const struct GNUNET_MESSENGER_SrvContact *contact);
+
+#endif //GNUNET_SERVICE_MESSENGER_CONTACT_H
-- 
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