-added core functionality of the messenger service

Signed-off-by: TheJackiMonster <thejackimonster@gmail.com>

formatting messenger code

Signed-off-by: TheJackiMonster <thejackimonster@gmail.com>

-completed core functionality of messenger service

Signed-off-by: TheJackiMonster <thejackimonster@gmail.com>

-code cleanup and reuse

Signed-off-by: TheJackiMonster <thejackimonster@gmail.com>

+added structure to memberships of rooms

Signed-off-by: TheJackiMonster <thejackimonster@gmail.com>

-implemented member permission checks and deletion of messages

Signed-off-by: TheJackiMonster <thejackimonster@gmail.com>

-moved solving requests out of updating last messages (also forward before update)

Signed-off-by: TheJackiMonster <thejackimonster@gmail.com>

-reduced complexity of permisson check and changed load/save of rooms

Signed-off-by: TheJackiMonster <thejackimonster@gmail.com>

-added save/load for accessed keys and basement peers of a room

Signed-off-by: TheJackiMonster <thejackimonster@gmail.com>

-implemented save/load for members with their history and session

Signed-off-by: TheJackiMonster <thejackimonster@gmail.com>

-abstracted management of egos and contacts

Signed-off-by: TheJackiMonster <thejackimonster@gmail.com>

-fix warning

Signed-off-by: TheJackiMonster <thejackimonster@gmail.com>

-abstracted management of members

Signed-off-by: TheJackiMonster <thejackimonster@gmail.com>

-fixed and adjusted test case

Signed-off-by: TheJackiMonster <thejackimonster@gmail.com>

-separated handling of direct and anonymous contacts

Signed-off-by: TheJackiMonster <thejackimonster@gmail.com>

-messenger added member-sessions which fix multiple edge cases, also additional cleanup

Signed-off-by: TheJackiMonster <thejackimonster@gmail.com>

-updated docs and fixed memory leak

Signed-off-by: TheJackiMonster <thejackimonster@gmail.com>

-changed info messages and added protocol version exchange

Signed-off-by: TheJackiMonster <thejackimonster@gmail.com>

-adjusted client api to use contacts from sessions

Signed-off-by: TheJackiMonster <thejackimonster@gmail.com>

-added more logging and fixed wrong session usage

Signed-off-by: TheJackiMonster <thejackimonster@gmail.com>

-adjusted comm0 test case and removed adding members from checking messages

Signed-off-by: TheJackiMonster <thejackimonster@gmail.com>

-fixed test-case for peer exchange

Signed-off-by: TheJackiMonster <thejackimonster@gmail.com>

-getting multiple peers connected in test-case with cadet

Signed-off-by: TheJackiMonster <thejackimonster@gmail.com>

-fixed wrong assert and added tunnel version check

-simplified handling and forwarding

Signed-off-by: TheJackiMonster <thejackimonster@gmail.com>

-fixed merging last messages and cycling info messages

Signed-off-by: TheJackiMonster <thejackimonster@gmail.com>

-automated adding sessions and members

Signed-off-by: TheJackiMonster <thejackimonster@gmail.com>

-corrected use of identity keys and signatures

Signed-off-by: TheJackiMonster <thejackimonster@gmail.com>

-adding local joining on entering external room

Signed-off-by: TheJackiMonster <thejackimonster@gmail.com>

-fixed test-case comm0

Signed-off-by: TheJackiMonster <thejackimonster@gmail.com>

-added more test-cases with generic setup

Signed-off-by: TheJackiMonster <thejackimonster@gmail.com>

-fixed multiple simultaneous channels blocking each other

Signed-off-by: TheJackiMonster <thejackimonster@gmail.com>

-making test-cases more precise

Signed-off-by: TheJackiMonster <thejackimonster@gmail.com>

-added check of members in test-cases, reduced merge messages

Signed-off-by: TheJackiMonster <thejackimonster@gmail.com>

-unified delayed operations: requests, deletions and merges

Signed-off-by: TheJackiMonster <thejackimonster@gmail.com>

-finished handling of operations

Signed-off-by: TheJackiMonster <thejackimonster@gmail.com>

-fixed member session historystorage, added request permission check and padding for transmission

Signed-off-by: TheJackiMonster <thejackimonster@gmail.com>

-improved padding and removed automatic recursive requests

Signed-off-by: TheJackiMonster <thejackimonster@gmail.com>

-implemented filter for sending messages and added private messages to API level

Signed-off-by: TheJackiMonster <thejackimonster@gmail.com>

-wrong setups fixed with proper ego lookups

Signed-off-by: TheJackiMonster <thejackimonster@gmail.com>

-fixed problem with anonymous ego and changed to discrete-level padding

Signed-off-by: TheJackiMonster <thejackimonster@gmail.com>

-added links to replace deleted messages, added local deletion and fixed anonymous id changing

Signed-off-by: TheJackiMonster <thejackimonster@gmail.com>

-added session completion and removal through completion process

Signed-off-by: TheJackiMonster <thejackimonster@gmail.com>

1 files changed, 35 insertions, 23 deletions

diff --git a/src/messenger/gnunet-service-messenger_message_kind.h b/src/messenger/gnunet-service-messenger_message_kind.h
index dd89d0b2f..c098868c0 100644
--- a/src/messenger/gnunet-service-messenger_message_kind.h
+++ b/src/messenger/gnunet-service-messenger_message_kind.h
@@ -1,6 +1,6 @@
 /*
    This file is part of GNUnet.
-   Copyright (C) 2020 GNUnet e.V.
+   Copyright (C) 2020--2021 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
@@ -30,31 +30,32 @@
 #include "gnunet_container_lib.h"
 #include "gnunet_crypto_lib.h"
 #include "gnunet_identity_service.h"
+#include "gnunet_time_lib.h"
 
 #include "messenger_api_message.h"
 #include "gnunet-service-messenger_service.h"
 #include "messenger_api_ego.h"
 
 /**
- * Creates and allocates a new info message containing the hosts public key and a newly generated unique member id.
+ * Creates and allocates a new info message containing the hosts EGO public key and a newly generated unique member id.
  * (all values are stored as copy)
  *
- * @param ego EGO of the host
- * @param members Map of all assigned member ids
+ * @param[in] ego EGO of the host
+ * @param[in] members Map of all assigned member ids
  * @return New message
  */
 struct GNUNET_MESSENGER_Message*
-create_message_info (struct GNUNET_MESSENGER_Ego *ego, struct GNUNET_CONTAINER_MultiShortmap *members);
+create_message_info (const struct GNUNET_MESSENGER_Ego *ego);
 
 /**
- * Creates and allocates a new join message containing the clients public key.
+ * Creates and allocates a new join message containing the clients EGO public key.
  * (all values are stored as copy)
  *
- * @param ego EGO of the client
+ * @param[in] ego EGO of the client
  * @return New message
  */
 struct GNUNET_MESSENGER_Message*
-create_message_join (struct GNUNET_MESSENGER_Ego *ego);
+create_message_join (const struct GNUNET_MESSENGER_Ego *ego);
 
 /**
  * Creates and allocates a new leave message.
@@ -68,17 +69,17 @@ create_message_leave ();
  * Creates and allocates a new name message containing the <i>name</i> to change to.
  * (all values are stored as copy)
  *
- * @param name New name
+ * @param[in] name New name
  * @return New message
  */
 struct GNUNET_MESSENGER_Message*
 create_message_name (const char *name);
 
 /**
- * Creates and allocates a new key message containing the public key to change to derived
+ * Creates and allocates a new key message containing the public <i>key</i> to change to derived
  * from its private counterpart. (all values are stored as copy)
  *
- * @param key Private key of EGO
+ * @param[in] key Private key of EGO
  * @return New message
  */
 struct GNUNET_MESSENGER_Message*
@@ -88,7 +89,7 @@ create_message_key (const struct GNUNET_IDENTITY_PrivateKey *key);
  * Creates and allocates a new peer message containing a services peer identity.
  * (all values are stored as copy)
  *
- * @param service Service
+ * @param[in] service Service
  * @return New message
  */
 struct GNUNET_MESSENGER_Message*
@@ -98,38 +99,38 @@ create_message_peer (const struct GNUNET_MESSENGER_Service *service);
  * Creates and allocates a new id message containing the unique member id to change to.
  * (all values are stored as copy)
  *
- * @param unique_id Unique member id
+ * @param[in] unique_id Unique member id
  * @return New message
  */
 struct GNUNET_MESSENGER_Message*
 create_message_id (const struct GNUNET_ShortHashCode *unique_id);
 
 /**
- * Creates and allocates a new miss message containing the missing peer identity.
+ * Creates and allocates a new miss message containing the missing <i>peer</i> identity.
  * (all values are stored as copy)
  *
- * @param peer Missing peer identity
+ * @param[in] peer Missing peer identity
  * @return New message
  */
 struct GNUNET_MESSENGER_Message*
 create_message_miss (const struct GNUNET_PeerIdentity *peer);
 
 /**
- * Creates and allocates a new merge message containing the hash of a second previous message
+ * Creates and allocates a new merge message containing the hash of a second <i>previous</i> message
  * besides the regular previous message mentioned in a messages header.
  * (all values are stored as copy)
  *
- * @param previous Hash of message
+ * @param[in] previous Hash of message
  * @return New message
  */
 struct GNUNET_MESSENGER_Message*
 create_message_merge (const struct GNUNET_HashCode *previous);
 
 /**
- * Creates and allocates a new request message containing the hash of a missing message.
+ * Creates and allocates a new request message containing the <i>hash</i> of a missing message.
  * (all values are stored as copy)
  *
- * @param hash Hash of message
+ * @param[in] hash Hash of message
  * @return New message
  */
 struct GNUNET_MESSENGER_Message*
@@ -140,21 +141,32 @@ create_message_request (const struct GNUNET_HashCode *hash);
  * to a room using a given <i>key</i> as shared secret for communication.
  * (all values are stored as copy)
  *
- * @param door Peer identity
- * @param key Shared secret of a room
+ * @param[in] door Peer identity
+ * @param[in] key Shared secret of a room
  * @return New message
  */
 struct GNUNET_MESSENGER_Message*
 create_message_invite (const struct GNUNET_PeerIdentity *door, const struct GNUNET_HashCode *key);
 
 /**
- * Creates and allocates a new text message containing a string representing text.
+ * Creates and allocates a new <i>text message containing a string representing text.
  * (all values are stored as copy)
  *
- * @param text Text
+ * @param[in] text Text
  * @return New message
  */
 struct GNUNET_MESSENGER_Message*
 create_message_text (const char *text);
 
+/**
+ * Creates and allocates a new delete message containing the <i>hash</i> of a message to delete after a specific <i>delay</i>.
+ * (all values are stored as copy)
+ *
+ * @param[in] hash Hash of message
+ * @param[in] delay Delay of deletion
+ * @return New message
+ */
+struct GNUNET_MESSENGER_Message*
+create_message_delete (const struct GNUNET_HashCode *hash, const struct GNUNET_TIME_Relative delay);
+
 #endif //GNUNET_SERVICE_MESSENGER_MESSAGE_KIND_H