libgnunetchat

commit f6eaddbabe79b5ccb857850b0f7ff625ccf9f87e
parent bd8aa616a2b2a90fdd90c5ab18f9e4006f51e07c
Author: Jacki <jacki@thejackimonster.de>
Date:   Thu, 12 Jun 2025 17:42:40 +0200

Add function to lookup own contact of handle

Signed-off-by: Jacki <jacki@thejackimonster.de>

Diffstat:
M
include/gnunet/gnunet_chat_lib.h
 | 
10
++++++++++
M
src/gnunet_chat_handle.c
 | 
6
++++++
M
src/gnunet_chat_handle.h
 | 
4
+++-
M
src/gnunet_chat_lib.c
 | 
12
++++++++++++
M
src/gnunet_chat_lib_intern.c
 | 
23
++++++++++++++++++++++-

5 files changed, 53 insertions(+), 2 deletions(-)
diff --git a/include/gnunet/gnunet_chat_lib.h b/include/gnunet/gnunet_chat_lib.h
@@ -897,6 +897,16 @@ GNUNET_CHAT_iterate_contacts (struct GNUNET_CHAT_Handle *handle,
                               void *cls);
 
 /**
+ * Returns the chat contact matching a given chat <i>handle</i>'s current 
+ * account.
+ *
+ * @param[in,out] handle Chat handle
+ * @return Chat contact or NULL
+ */
+struct GNUNET_CHAT_Contact*
+GNUNET_CHAT_get_own_contact (struct GNUNET_CHAT_Handle *handle);
+
+/**
  * Returns the provided name of a given <i>account</i> or NULL on failure.
  *
  * @param[in] account Chat account
diff --git a/src/gnunet_chat_handle.c b/src/gnunet_chat_handle.c
@@ -94,6 +94,7 @@ handle_create_from_config (const struct GNUNET_CONFIGURATION_Handle* cfg,
   handle->accounts_tail = NULL;
 
   handle->refreshing = GNUNET_NO;
+  handle->own_contact = NULL;
 
   handle->next = NULL;
   handle->current = NULL;
@@ -165,6 +166,7 @@ handle_update_key (struct GNUNET_CHAT_Handle *handle)
     GNUNET_free(handle->public_key);
 
   handle->public_key = NULL;
+  handle->own_contact = NULL;
 
   if (!(handle->messenger))
     return;
@@ -390,6 +392,8 @@ handle_disconnect (struct GNUNET_CHAT_Handle *handle)
     GNUNET_YES
   );
 
+  handle->own_contact = NULL;
+
   while (handle->attributes_head)
     internal_attributes_destroy(handle->attributes_head);
 
@@ -481,6 +485,8 @@ handle_disconnect (struct GNUNET_CHAT_Handle *handle)
     GNUNET_free(lobbies);
   }
 
+  handle->own_contact = NULL;
+
   GNUNET_CONTAINER_multihashmap_destroy(handle->groups);
   GNUNET_CONTAINER_multishortmap_destroy(handle->contacts);
   GNUNET_CONTAINER_multihashmap_destroy(handle->contexts);
diff --git a/src/gnunet_chat_handle.h b/src/gnunet_chat_handle.h
@@ -1,6 +1,6 @@
 /*
    This file is part of GNUnet.
-   Copyright (C) 2021--2024 GNUnet e.V.
+   Copyright (C) 2021--2025 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
@@ -27,6 +27,7 @@
 
 #include "gnunet_chat_lib.h"
 #include "gnunet_chat_account.h"
+#include "gnunet_chat_contact.h"
 #include "gnunet_chat_lobby.h"
 #include "gnunet_chat_message.h"
 #include "gnunet_chat_uri.h"
@@ -107,6 +108,7 @@ struct GNUNET_CHAT_Handle
   struct GNUNET_CHAT_InternalAccounts *accounts_tail;
 
   enum GNUNET_GenericReturnValue refreshing;
+  struct GNUNET_CHAT_Contact *own_contact;
 
   struct GNUNET_CHAT_Account *next;
   struct GNUNET_CHAT_Account *current;
diff --git a/src/gnunet_chat_lib.c b/src/gnunet_chat_lib.c
@@ -933,6 +933,18 @@ GNUNET_CHAT_iterate_contacts (struct GNUNET_CHAT_Handle *handle,
 }
 
 
+struct GNUNET_CHAT_Contact*
+GNUNET_CHAT_get_own_contact (struct GNUNET_CHAT_Handle *handle)
+{
+  GNUNET_CHAT_VERSION_ASSERT();
+
+  if (!(handle->own_contact))
+    GNUNET_CHAT_iterate_contacts (handle, it_handle_find_own_contact, NULL);
+
+  return handle->own_contact;
+}
+
+
 const char*
 GNUNET_CHAT_account_get_name (const struct GNUNET_CHAT_Account *account)
 {
diff --git a/src/gnunet_chat_lib_intern.c b/src/gnunet_chat_lib_intern.c
@@ -1,6 +1,6 @@
 /*
    This file is part of GNUnet.
-   Copyright (C) 2021--2024 GNUnet e.V.
+   Copyright (C) 2021--2025 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
@@ -193,6 +193,27 @@ it_handle_iterate_contacts (void *cls,
   return it->cb(it->cls, it->handle, contact);
 }
 
+enum GNUNET_GenericReturnValue
+it_handle_find_own_contact (GNUNET_UNUSED void *cls,
+                            struct GNUNET_CHAT_Handle *handle,
+                            struct GNUNET_CHAT_Contact *contact)
+{
+  GNUNET_assert((handle) && (contact));
+
+  if (GNUNET_YES != GNUNET_CHAT_contact_is_owned(contact))
+    return GNUNET_YES;
+
+  const char *contact_key = GNUNET_CHAT_contact_get_key(contact);
+  const char *handle_key = GNUNET_CHAT_get_key(handle);
+
+  if ((!contact_key) || (!handle_key) ||
+      (0 != strcmp(contact_key, handle_key)))
+    return GNUNET_YES;
+
+  handle->own_contact = contact;
+  return GNUNET_NO;
+}
+
 struct GNUNET_CHAT_HandleIterateGroups
 {
   struct GNUNET_CHAT_Handle *handle;