From 172ab07eeb1215cc9d22dabc589f7529ac2d59ea Mon Sep 17 00:00:00 2001
From: Gabor X Toth <*@tg-x.net>
Date: Sat, 9 Nov 2013 23:12:27 +0000
Subject: psyc: handling messages from multicast and passing them to clients;
 pause/resume fixes

---
 src/psyc/test_psyc.c | 50 +++++++++++++++++++++++++++++---------------------
 1 file changed, 29 insertions(+), 21 deletions(-)

(limited to 'src/psyc/test_psyc.c')

diff --git a/src/psyc/test_psyc.c b/src/psyc/test_psyc.c
index 41c4ca8e4..2986fdf6a 100644
--- a/src/psyc/test_psyc.c
+++ b/src/psyc/test_psyc.c
@@ -144,10 +144,12 @@ join (void *cls, const struct GNUNET_CRYPTO_EddsaPublicKey *slave_key,
   return GNUNET_OK;
 }
 
+
 struct TransmitClosure
 {
   struct GNUNET_PSYC_MasterTransmitHandle *handle;
   uint8_t n;
+  uint8_t paused;
   uint8_t fragment_count;
   char *fragments[16];
   uint16_t fragment_sizes[16];
@@ -157,8 +159,9 @@ struct TransmitClosure
 static void
 transmit_resume (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
 {
-  GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Transmit resume\n");
+  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Transmission resumed.\n");
   struct TransmitClosure *tmit = cls;
+  tmit->paused = GNUNET_NO;
   GNUNET_PSYC_master_transmit_resume (tmit->handle);
 }
 
@@ -167,33 +170,36 @@ static int
 transmit_notify (void *cls, size_t *data_size, void *data)
 {
   struct TransmitClosure *tmit = cls;
-  GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
-              "Transmit notify: %lu bytes\n", *data_size);
-
-  if (tmit->fragment_count <= tmit->n)
-    return GNUNET_YES;
-
+  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+              "Transmit notify: %lu bytes available, "
+              "processing fragment %u/%u.\n",
+              *data_size, tmit->n + 1, tmit->fragment_count);
   GNUNET_assert (tmit->fragment_sizes[tmit->n] <= *data_size);
 
-  *data_size = tmit->fragment_sizes[tmit->n];
-  memcpy (data, tmit->fragments[tmit->n], *data_size);
-  tmit->n++;
-
-  if (tmit->n == tmit->fragment_count - 1)
+  if (GNUNET_YES == tmit->paused && tmit->n == tmit->fragment_count - 1)
   {
     /* Send last fragment later. */
-    GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_SECONDS, &transmit_resume,
-                                  tmit);
+    GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Transmission paused.\n");
+    tmit->paused = GNUNET_YES;
+    GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply
+                                  (GNUNET_TIME_UNIT_SECONDS, 3),
+                                  &transmit_resume, tmit);
     *data_size = 0;
     return GNUNET_NO;
   }
-  return tmit->n <= tmit->fragment_count ? GNUNET_NO : GNUNET_YES;
+
+  GNUNET_assert (tmit->fragment_sizes[tmit->n] <= *data_size);
+  *data_size = tmit->fragment_sizes[tmit->n];
+  memcpy (data, tmit->fragments[tmit->n], *data_size);
+
+  return ++tmit->n < tmit->fragment_count ? GNUNET_NO : GNUNET_YES;
 }
 
 void
 master_started (void *cls, uint64_t max_message_id)
 {
-  GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Master started: %lu\n", max_message_id);
+  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+              "Master started: %lu\n", max_message_id);
 
   struct GNUNET_ENV_Environment *env = GNUNET_ENV_environment_create ();
   GNUNET_ENV_environment_add_mod (env, GNUNET_ENV_OP_ASSIGN,
@@ -202,11 +208,13 @@ master_started (void *cls, uint64_t max_message_id)
                                   "_foo_bar", "foo bar baz", 11);
 
   struct TransmitClosure *tmit = GNUNET_new (struct TransmitClosure);
-  tmit->fragment_count = 2;
-  tmit->fragments[0] = "foo bar";
-  tmit->fragment_sizes[0] = 7;
-  tmit->fragments[1] = "baz!";
-  tmit->fragment_sizes[1] = 4;
+  tmit->fragment_count = 3;
+  tmit->fragments[0] = "foo";
+  tmit->fragment_sizes[0] = 4;
+  tmit->fragments[1] = "foo bar";
+  tmit->fragment_sizes[1] = 7;
+  tmit->fragments[2] = "foo bar baz";
+  tmit->fragment_sizes[2] = 11;
   tmit->handle
     = GNUNET_PSYC_master_transmit (mst, "_test", env, transmit_notify, tmit,
                                    GNUNET_PSYC_MASTER_TRANSMIT_INC_GROUP_GEN);
-- 
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