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-rw-r--r--src/util/speedup.c119
1 files changed, 0 insertions, 119 deletions
diff --git a/src/util/speedup.c b/src/util/speedup.c
deleted file mode 100644
index 3d9e82319..000000000
--- a/src/util/speedup.c
+++ /dev/null
@@ -1,119 +0,0 @@
1/*
2 This file is part of GNUnet.
3 Copyright (C) 2011-2013 GNUnet e.V.
4
5 GNUnet is free software: you can redistribute it and/or modify it
6 under the terms of the GNU Affero General Public License as published
7 by the Free Software Foundation, either version 3 of the License,
8 or (at your option) any later version.
9
10 GNUnet is distributed in the hope that it will be useful, but
11 WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Affero General Public License for more details.
14
15 You should have received a copy of the GNU Affero General Public License
16 along with this program. If not, see <http://www.gnu.org/licenses/>.
17
18 SPDX-License-Identifier: AGPL3.0-or-later
19 */
20
21/**
22 * @file util/speedup.c
23 * @author Matthias Wachs
24 * @brief functions to speedup peer execution by manipulation system time
25 */
26#include "platform.h"
27#include "gnunet_util_lib.h"
28#include "speedup.h"
29
30#define LOG(kind, ...) GNUNET_log_from (kind, "util-speedup", __VA_ARGS__)
31
32
33static struct GNUNET_TIME_Relative interval;
34
35static struct GNUNET_TIME_Relative delta;
36
37static struct GNUNET_SCHEDULER_Task *speedup_task;
38
39
40static void
41do_speedup (void *cls)
42{
43 static long long current_offset;
44
45 (void) cls;
46 speedup_task = NULL;
47 current_offset += delta.rel_value_us;
48 GNUNET_TIME_set_offset (current_offset);
49 LOG (GNUNET_ERROR_TYPE_DEBUG,
50 "Speeding up execution time by %s\n",
51 GNUNET_STRINGS_relative_time_to_string (delta, GNUNET_NO));
52 speedup_task = GNUNET_SCHEDULER_add_delayed (interval,
53 &do_speedup,
54 NULL);
55}
56
57
58/**
59 * Start task that may speed up our system clock artificially
60 *
61 * @param cfg configuration to use
62 * @return #GNUNET_OK on success, #GNUNET_SYSERR if the speedup was not configured
63 */
64int
65GNUNET_SPEEDUP_start_ (const struct GNUNET_CONFIGURATION_Handle *cfg)
66{
67 GNUNET_assert (NULL == speedup_task);
68 if (GNUNET_OK !=
69 GNUNET_CONFIGURATION_get_value_time (cfg,
70 "testing",
71 "SPEEDUP_INTERVAL",
72 &interval))
73 return GNUNET_SYSERR;
74 if (GNUNET_OK !=
75 GNUNET_CONFIGURATION_get_value_time (cfg,
76 "testing",
77 "SPEEDUP_DELTA",
78 &delta))
79 return GNUNET_SYSERR;
80
81 if ((0 == interval.rel_value_us) ||
82 (0 == delta.rel_value_us))
83 {
84 LOG (GNUNET_ERROR_TYPE_DEBUG,
85 "Speed up disabled\n");
86 return GNUNET_OK;
87 }
88 LOG (GNUNET_ERROR_TYPE_DEBUG,
89 "Speed up execution by %s\n",
90 GNUNET_STRINGS_relative_time_to_string (delta, GNUNET_NO));
91 LOG (GNUNET_ERROR_TYPE_DEBUG,
92 "Speed up executed every %s\n",
93 GNUNET_STRINGS_relative_time_to_string (interval, GNUNET_NO));
94 speedup_task = GNUNET_SCHEDULER_add_now_with_lifeness (GNUNET_NO,
95 &do_speedup,
96 NULL);
97 return GNUNET_OK;
98}
99
100
101/**
102 * Stop tasks that modify clock behavior.
103 */
104void
105GNUNET_SPEEDUP_stop_ ()
106{
107 if (NULL != speedup_task)
108 {
109 GNUNET_SCHEDULER_cancel (speedup_task);
110 speedup_task = NULL;
111 }
112 if ((0 != interval.rel_value_us) &&
113 (0 != delta.rel_value_us))
114 LOG (GNUNET_ERROR_TYPE_DEBUG,
115 "Stopped execution speed up\n");
116}
117
118
119/* end of speedup.c */