[gnunet] 03/04: News: Added DDLs for handling GNUNET_PEERSTORE_StoreHelloContext

[gnunet]

This is an automated email from the git hooks/post-receive script.

t3sserakt pushed a commit to branch master
in repository gnunet.

commit 233a6be0f23f0dcd0f1c40e4f816d1380f872a40
Author: t3sserakt <t3ss@posteo.de>
AuthorDate: Tue Oct 24 14:56:14 2023 +0200

    News: Added DDLs for handling GNUNET_PEERSTORE_StoreHelloContext
---
 src/include/gnunet_peerstore_service.h             | 57 ++++++++++++++++++++++
 .../hostlist/gnunet-daemon-hostlist_client.c       | 30 ++++++++++--
 src/service/peerstore/peerstore_api.c              | 48 +-----------------
 src/service/topology/gnunet-daemon-topology.c      | 31 ++++++++++--
 src/service/transport/gnunet-service-transport.c   | 31 +++++++++++-
 5 files changed, 142 insertions(+), 55 deletions(-)

diff --git a/src/include/gnunet_peerstore_service.h 
b/src/include/gnunet_peerstore_service.h
index 1cb60cb04..99ba98593 100644
--- a/src/include/gnunet_peerstore_service.h
+++ b/src/include/gnunet_peerstore_service.h
@@ -178,6 +178,63 @@ struct GNUNET_PEERSTORE_Record
 typedef void (*GNUNET_PEERSTORE_Continuation) (void *cls, int success);
 
 
+/**
+ * Context for a add hello uri request.
+ */
+struct GNUNET_PEERSTORE_StoreHelloContext
+{
+  /**
+   * Kept (also) in a DLL.
+   */
+  struct GNUNET_PEERSTORE_StoreHelloContext *prev;
+
+  /**
+   * Kept (also) in a DLL.
+   */
+  struct GNUNET_PEERSTORE_StoreHelloContext *next;
+
+  /**
+   * Peerstore handle.
+   */
+  struct GNUNET_PEERSTORE_Handle *h;
+
+  /**
+   * Function to call with information.
+   */
+  GNUNET_PEERSTORE_Continuation cont;
+
+  /**
+   * Closure for @e callback.
+   */
+  void *cont_cls;
+
+  /**
+   * Map with all store contexts started during adding hello.
+   */
+  struct GNUNET_CONTAINER_MultiPeerMap *store_context_map;
+
+  /**
+   * Active watch to be notified about conflicting hello uri add requests.
+   */
+  struct GNUNET_PEERSTORE_WatchContext *wc;
+
+  /**
+   * Hello uri which was request for storing.
+   */
+  struct GNUNET_MessageHeader *hello;
+
+  /**
+   * The peer id for the hello.
+   */
+  struct GNUNET_PeerIdentity *pid;
+
+  /**
+   * Was this request successful.
+   */
+  int success;
+};
+
+
 /**
  * Function called by PEERSTORE for each matching record.
  *
diff --git a/src/service/hostlist/gnunet-daemon-hostlist_client.c 
b/src/service/hostlist/gnunet-daemon-hostlist_client.c
index aceea0aaf..483233fc6 100644
--- a/src/service/hostlist/gnunet-daemon-hostlist_client.c
+++ b/src/service/hostlist/gnunet-daemon-hostlist_client.c
@@ -229,6 +229,16 @@ static struct GNUNET_SCHEDULER_Task 
*ti_testing_intervall_task;
  */
 static struct GNUNET_TIME_Absolute end_time;
 
+/**
+ * Head of the linkd list to store the store context for hellos.
+ */
+static struct GNUNET_PEERSTORE_StoreHelloContext *shc_head;
+
+/**
+ * Tail of the linkd list to store the store context for hellos.
+ */
+static struct GNUNET_PEERSTORE_StoreHelloContext *shc_tail;
+
 /**
  * Head of the linked list used to store hostlists
  */
@@ -313,8 +323,14 @@ static struct GNUNET_PEERSTORE_Handle *peerstore;
 static void
 shc_cont (void *cls, int success)
 {
-  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
-              "Hostlist entry stored successfully!\n");
+  (void *) cls;
+
+  if (GNUNET_YES == success)
+    GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+                "Hostlist entry stored successfully!\n");
+  else
+    GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+                "Error storing hostlist entry!\n");
 }
 
 
@@ -398,7 +414,8 @@ callback_download (void *ptr, size_t size, size_t nmemb, 
void *ctx)
     shc = GNUNET_PEERSTORE_hello_add (peerstore,
                                       msg,
                                       shc_cont,
-                                      shc);
+                                      NULL);
+    GNUNET_CONTAINER_DLL_insert (shc_head, shc_tail, shc);
     memmove (download_buffer, &download_buffer[msize], download_pos - msize);
     download_pos -= msize;
   }
@@ -1735,7 +1752,14 @@ GNUNET_HOSTLIST_client_start (const struct 
GNUNET_CONFIGURATION_Handle *c,
 void
 GNUNET_HOSTLIST_client_stop ()
 {
+  struct GNUNET_PEERSTORE_StoreHelloContext *pos;
+  
   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Hostlist client shutdown\n");
+  while (NULL != (pos = shc_head))
+  {
+    GNUNET_CONTAINER_DLL_remove (shc_head, shc_tail, pos);
+    GNUNET_PEERSTORE_hello_add_cancel (pos);
+  }
   if (NULL != sget)
   {
     GNUNET_STATISTICS_get_cancel (sget);
diff --git a/src/service/peerstore/peerstore_api.c 
b/src/service/peerstore/peerstore_api.c
index 8770c36e4..a774d3baa 100644
--- a/src/service/peerstore/peerstore_api.c
+++ b/src/service/peerstore/peerstore_api.c
@@ -312,52 +312,6 @@ struct GNUNET_PEERSTORE_NotifyContext
   unsigned int canceled;
 };
 
-/**
- * Context for a add hello uri request.
- */
-struct GNUNET_PEERSTORE_StoreHelloContext
-{
-  /**
-   * Peerstore handle.
-   */
-  struct GNUNET_PEERSTORE_Handle *h;
-
-  /**
-   * Function to call with information.
-   */
-  GNUNET_PEERSTORE_Continuation cont;
-
-  /**
-   * Closure for @e callback.
-   */
-  void *cont_cls;
-
-  /**
-   * Map with all store contexts started during adding hello.
-   */
-  struct GNUNET_CONTAINER_MultiPeerMap *store_context_map;
-
-  /**
-   * Active watch to be notified about conflicting hello uri add requests.
-   */
-  struct GNUNET_PEERSTORE_WatchContext *wc;
-
-  /**
-   * Hello uri which was request for storing.
-   */
-  struct GNUNET_MessageHeader *hello;
-
-  /**
-   * The peer id for the hello.
-   */
-  struct GNUNET_PeerIdentity *pid;
-
-  /**
-   * Was this request successful.
-   */
-  int success;
-};
-
 
/******************************************************************************/
 /*******************             DECLARATIONS             
*********************/
 
/******************************************************************************/
@@ -1319,7 +1273,7 @@ GNUNET_PEERSTORE_hello_add (struct 
GNUNET_PEERSTORE_Handle *h,
 {
   struct GNUNET_HELLO_Builder *builder = GNUNET_HELLO_builder_from_msg (msg);
   struct GNUNET_PEERSTORE_StoreHelloContext *huc;
-  struct GNUNET_PeerIdentity *pid;
+  const struct GNUNET_PeerIdentity *pid;
   struct GNUNET_TIME_Absolute now = GNUNET_TIME_absolute_get ();
   struct GNUNET_TIME_Absolute hello_exp =
     GNUNET_HELLO_builder_get_expiration_time (msg);
diff --git a/src/service/topology/gnunet-daemon-topology.c 
b/src/service/topology/gnunet-daemon-topology.c
index 71cc5bd19..ca5435657 100644
--- a/src/service/topology/gnunet-daemon-topology.c
+++ b/src/service/topology/gnunet-daemon-topology.c
@@ -178,6 +178,16 @@ static unsigned int connection_count;
  */
 static unsigned int target_connection_count;
 
+/**
+ * Head of the linkd list to store the store context for hellos.
+ */
+static struct GNUNET_PEERSTORE_StoreHelloContext *shc_head;
+
+/**
+ * Tail of the linkd list to store the store context for hellos.
+ */
+static struct GNUNET_PEERSTORE_StoreHelloContext *shc_tail;
+
 /**
  * Free all resources associated with the given peer.
  *
@@ -833,7 +843,14 @@ check_hello (void *cls, const struct GNUNET_MessageHeader 
*message)
 static void
 shc_cont (void *cls, int success)
 {
-  GNUNET_free (cls);
+  (void *) cls;
+
+  if (GNUNET_YES == success)
+    GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+                "Hello stored successfully!\n");
+  else
+    GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+                "Error storing hello!\n");
 }
 
 
@@ -860,8 +877,8 @@ handle_hello (void *cls, const struct GNUNET_MessageHeader 
*message)
                             1,
                             GNUNET_NO);
   GNUNET_HELLO_builder_from_msg (message);
-  // FIXME this is not working shc uninitialized
-  shc = GNUNET_PEERSTORE_hello_add (ps, message, &shc_cont, shc);
+  shc = GNUNET_PEERSTORE_hello_add (ps, message, &shc_cont, NULL);
+  GNUNET_CONTAINER_DLL_insert (shc_head, shc_tail, shc);
   GNUNET_HELLO_builder_free (builder);
 }
 
@@ -875,6 +892,14 @@ handle_hello (void *cls, const struct GNUNET_MessageHeader 
*message)
 static void
 cleaning_task (void *cls)
 {
+  struct GNUNET_PEERSTORE_StoreHelloContext *pos;
+
+  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Topology shutdown\n");
+  while (NULL != (pos = shc_head))
+  {
+    GNUNET_CONTAINER_DLL_remove (shc_head, shc_tail, pos);
+    GNUNET_PEERSTORE_hello_add_cancel (pos);
+  }
   if (NULL != peerstore_notify)
   {
     GNUNET_PEERSTORE_hello_changed_notify_cancel (peerstore_notify);
diff --git a/src/service/transport/gnunet-service-transport.c 
b/src/service/transport/gnunet-service-transport.c
index 5825dff14..cdd7b5179 100644
--- a/src/service/transport/gnunet-service-transport.c
+++ b/src/service/transport/gnunet-service-transport.c
@@ -2888,6 +2888,16 @@ static struct GNUNET_TIME_Absolute hello_mono_time;
  */
 static int in_shutdown;
 
+/**
+ * Head of the linkd list to store the store context for hellos.
+ */
+static struct GNUNET_PEERSTORE_StoreHelloContext *shc_head;
+
+/**
+ * Tail of the linkd list to store the store context for hellos.
+ */
+static struct GNUNET_PEERSTORE_StoreHelloContext *shc_tail;
+
 /**
  * Get an offset into the transmission history buffer for `struct
  * PerformanceData`.  Note that the caller must perform the required
@@ -5472,7 +5482,14 @@ peerstore_store_own_cb (void *cls, int success)
 static void
 shc_cont (void *cls, int success)
 {
-  GNUNET_free (cls);
+  (void *) cls;
+
+  if (GNUNET_YES == success)
+    GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+                "Hello stored successfully!\n");
+  else
+    GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+                "Error storing hello!\n");
 }
 
 
@@ -5517,10 +5534,13 @@ store_pi (void *cls)
   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
               "store_pi 1\n");
   if (GNUNET_YES == add_result)
+  {  
     shc = GNUNET_PEERSTORE_hello_add (peerstore,
                                       msg,
                                       shc_cont,
-                                      shc);
+                                      NULL);
+    GNUNET_CONTAINER_DLL_insert (shc_head, shc_tail, shc);
+  }
   else if (GNUNET_SYSERR == add_result)
     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
                 "Error adding address to peerstore hello!\n");
@@ -11494,9 +11514,16 @@ static void
 do_shutdown (void *cls)
 {
   struct LearnLaunchEntry *lle;
+  struct GNUNET_PEERSTORE_StoreHelloContext *pos;
 
   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
               "shutdown logic\n");
+  while (NULL != (pos = shc_head))
+  {
+    GNUNET_CONTAINER_DLL_remove (shc_head, shc_tail, pos);
+    GNUNET_PEERSTORE_hello_add_cancel (pos);
+  }
+
   (void) cls;
   GNUNET_CONTAINER_multipeermap_iterate (neighbours,
                                          &free_neighbour_cb, NULL);

-- 
To stop receiving notification emails like this one, please contact
gnunet@gnunet.org.