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author | Christian Grothoff <christian@grothoff.org> | 2018-12-06 18:38:43 +0100 |
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committer | Christian Grothoff <christian@grothoff.org> | 2018-12-06 18:38:43 +0100 |
commit | 5a1d7b406639cb12640c9906ca38c3c08f912a85 (patch) | |
tree | 2f41b3ef348f2525e8560406106647af6823b1a1 /src/ats/plugin_ats2_common.c | |
parent | aa6e0a1941f98ed90947aa5e3671438cb381995c (diff) | |
download | gnunet-5a1d7b406639cb12640c9906ca38c3c08f912a85.tar.gz gnunet-5a1d7b406639cb12640c9906ca38c3c08f912a85.zip |
skeleton for 'simple' ATS2 plugin
Diffstat (limited to 'src/ats/plugin_ats2_common.c')
-rw-r--r-- | src/ats/plugin_ats2_common.c | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/src/ats/plugin_ats2_common.c b/src/ats/plugin_ats2_common.c new file mode 100644 index 000000000..6911ba44d --- /dev/null +++ b/src/ats/plugin_ats2_common.c | |||
@@ -0,0 +1,96 @@ | |||
1 | /* | ||
2 | This file is part of GNUnet. | ||
3 | Copyright (C) 2011-2015, 2018 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 | /** | ||
19 | * @file ats/plugin_ats2_common.c | ||
20 | * @brief ATS solver helper functions to be inlined | ||
21 | * @author Matthias Wachs | ||
22 | * @author Christian Grothoff | ||
23 | */ | ||
24 | |||
25 | /** | ||
26 | * Default bandwidth assigned to a network: 64 KB/s | ||
27 | */ | ||
28 | #define DEFAULT_BANDWIDTH 65536 | ||
29 | |||
30 | |||
31 | /** | ||
32 | * Parse @a cfg for @a quota as specified for @a direction of | ||
33 | * network type @a nts. | ||
34 | * | ||
35 | * @param cfg configuration to parse | ||
36 | * @param nts network type string to get quota for | ||
37 | * @param direction direction to get quota for ("IN" or "OUT") | ||
38 | * @param quota[out] set to quota, #DEFAULT_BANDWIDTH if @a cfg does not say anything useful | ||
39 | */ | ||
40 | static void | ||
41 | get_quota (const struct GNUNET_CONFIGURATION_Handle *cfg, | ||
42 | const char *nts, | ||
43 | const char *direction, | ||
44 | unsigned long long *quota) | ||
45 | { | ||
46 | char *quota_str; | ||
47 | char *quota_s; | ||
48 | int res; | ||
49 | |||
50 | GNUNET_asprintf ("a_s, | ||
51 | "%s_QUOTA_%s", | ||
52 | nts, | ||
53 | direction); | ||
54 | if (GNUNET_OK != | ||
55 | GNUNET_CONFIGURATION_get_value_string (cfg, | ||
56 | "ATS", | ||
57 | quota_s, | ||
58 | "a_str)) | ||
59 | { | ||
60 | GNUNET_log_config_missing (GNUNET_ERROR_TYPE_WARNING, | ||
61 | "ATS", | ||
62 | quota_s); | ||
63 | GNUNET_free (quota_s); | ||
64 | return; | ||
65 | } | ||
66 | GNUNET_free (quota_s); | ||
67 | res = GNUNET_NO; | ||
68 | if (0 == strcmp (quota_str, | ||
69 | "unlimited")) | ||
70 | { | ||
71 | *quota = ULONG_MAX; | ||
72 | res = GNUNET_YES; | ||
73 | } | ||
74 | if ( (GNUNET_NO == res) && | ||
75 | (GNUNET_OK == | ||
76 | GNUNET_STRINGS_fancy_size_to_bytes (quota_str, | ||
77 | quota)) ) | ||
78 | res = GNUNET_YES; | ||
79 | if ( (GNUNET_NO == res) && | ||
80 | (1 == | ||
81 | sscanf (quota_str, | ||
82 | "%llu", | ||
83 | quota)) ) | ||
84 | res = GNUNET_YES; | ||
85 | if (GNUNET_NO == res) | ||
86 | { | ||
87 | GNUNET_log (GNUNET_ERROR_TYPE_ERROR, | ||
88 | _("Could not load %s quota for network `%s': `%s', assigning default bandwidth %llu\n"), | ||
89 | direction, | ||
90 | nts, | ||
91 | quota_str, | ||
92 | (unsigned long long) DEFAULT_BANDWIDTH); | ||
93 | *quota = DEFAULT_BANDWIDTH; | ||
94 | } | ||
95 | GNUNET_free (quota_str); | ||
96 | } | ||