From e9a6c28aad064456c26923cf579f0ed9282afe3c Mon Sep 17 00:00:00 2001
From: Christian Grothoff <christian@grothoff.org>
Date: Fri, 21 Oct 2016 05:13:17 +0000
Subject: [PATCH] use new MQ in_flight API to support cancel in new
 service/client implementations

---
 src/util/client_new.c  |  2 +-
 src/util/service_new.c | 11 ++++++++---
 2 files changed, 9 insertions(+), 4 deletions(-)

diff --git a/src/util/client_new.c b/src/util/client_new.c
index a5bd996bb..b5c0147b3 100644
--- a/src/util/client_new.c
+++ b/src/util/client_new.c
@@ -261,7 +261,7 @@ transmit_ready (void *cls)
   }
   if (0 == cstate->msg_off)
   {
-    // FIXME: tell MQ that cancel is no longer possible!
+    GNUNET_MQ_impl_send_in_flight (cstate->mq);
   }
   cstate->msg_off += pos;
   if (cstate->msg_off < len)
diff --git a/src/util/service_new.c b/src/util/service_new.c
index 744adc387..8433c42bf 100644
--- a/src/util/service_new.c
+++ b/src/util/service_new.c
@@ -1974,6 +1974,10 @@ do_send (void *cls)
       return;
     }
   }
+  if (0 == client->msg_pos)
+  {
+    GNUNET_MQ_impl_send_in_flight (client->mq);
+  }
   client->msg_pos += ret;
   if (left > ret)
   {
@@ -2026,9 +2030,10 @@ service_mq_cancel (struct GNUNET_MQ_Handle *mq,
 {
   struct GNUNET_SERVICE_Client *client = impl_state;
 
-  GNUNET_assert (0); // not implemented
-  // FIXME: stop transmission! (must be possible, otherwise
-  // we must have told MQ that the message was sent!)
+  GNUNET_assert (0 == client->msg_pos);
+  client->msg = NULL;
+  GNUNET_SCHEDULER_cancel (client->send_task);
+  client->send_task = NULL;
 }
 
 
-- 
2.25.1