From 3afe1a3435697b01fee557420a701fba1821dbe5 Mon Sep 17 00:00:00 2001
From: Julius Bünger <buenger@mytum.de>
Date: Mon, 8 Apr 2019 00:55:35 +0200
Subject: RPS: Retrieve more info from sampler for profiling

---
 src/rps/rps-sampler_client.c | 64 ++++++++++++++++++++++++++++++++++++++++----
 1 file changed, 59 insertions(+), 5 deletions(-)

(limited to 'src/rps/rps-sampler_client.c')

diff --git a/src/rps/rps-sampler_client.c b/src/rps/rps-sampler_client.c
index 0de25df07..61f9b6385 100644
--- a/src/rps/rps-sampler_client.c
+++ b/src/rps/rps-sampler_client.c
@@ -158,6 +158,46 @@ struct RPS_SamplerRequestHandle
   void *cls;
 };
 
+
+/**
+ * Closure to _get_rand_peer_info()
+ */
+struct RPS_SamplerRequestHandleSingleInfo
+{
+  /**
+   * DLL
+   */
+  struct RPS_SamplerRequestHandleSingleInfo *next;
+  struct RPS_SamplerRequestHandleSingleInfo *prev;
+
+  /**
+   * Pointer to the id
+   */
+  struct GNUNET_PeerIdentity *id;
+
+  /**
+   * Head and tail for the DLL to store the tasks for single requests
+   */
+  struct GetPeerCls *gpc_head;
+  struct GetPeerCls *gpc_tail;
+
+  /**
+   * Sampler.
+   */
+  struct RPS_Sampler *sampler;
+
+  /**
+   * Callback to be called when all ids are available.
+   */
+  RPS_sampler_sinlge_info_ready_cb callback;
+
+  /**
+   * Closure given to the callback
+   */
+  void *cls;
+};
+
+
 ///**
 // * Global sampler variable.
 // */
@@ -269,7 +309,12 @@ sampler_mod_get_rand_peer (void *cls)
 
   gpc->get_peer_task = NULL;
   gpc->notify_ctx = NULL;
-  sampler = gpc->req_handle->sampler;
+  GNUNET_assert ( (NULL != gpc->req_handle) ||
+                  (NULL != gpc->req_single_info_handle) );
+  if (NULL != gpc->req_handle)
+    sampler = gpc->req_handle->sampler;
+  else
+    sampler = gpc->req_single_info_handle->sampler;
 
   LOG (GNUNET_ERROR_TYPE_DEBUG, "Single peer was requested\n");
 
@@ -362,10 +407,19 @@ sampler_mod_get_rand_peer (void *cls)
   RPS_sampler_elem_reinit (s_elem);
   s_elem->last_client_request = GNUNET_TIME_absolute_get ();
 
-  GNUNET_CONTAINER_DLL_remove (gpc->req_handle->gpc_head,
-                               gpc->req_handle->gpc_tail,
-                               gpc);
-  gpc->cont (gpc->cont_cls, gpc->id);
+  if (NULL != gpc->req_handle)
+  {
+    GNUNET_CONTAINER_DLL_remove (gpc->req_handle->gpc_head,
+                                 gpc->req_handle->gpc_tail,
+                                 gpc);
+  }
+  else
+  {
+    GNUNET_CONTAINER_DLL_remove (gpc->req_single_info_handle->gpc_head,
+                                 gpc->req_single_info_handle->gpc_tail,
+                                 gpc);
+  }
+  gpc->cont (gpc->cont_cls, gpc->id, prob_observed_n, s_elem->num_peers);
   GNUNET_free (gpc);
 }
 
-- 
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