2 This file is part of GNUnet.
3 (C) 2001, 2002, 2004, 2005, 2006, 2007, 2009 Christian Grothoff (and other contributing authors)
5 GNUnet is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published
7 by the Free Software Foundation; either version 3, or (at your
8 option) any later version.
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 General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with GNUnet; see the file COPYING. If not, write to the
17 Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18 Boston, MA 02111-1307, USA.
22 * @file ats-tool/gnunet-ats.c
23 * @brief ATS command line tool
24 * @author Matthias Wachs
27 #include "gnunet_util_lib.h"
28 #include "gnunet_ats_service.h"
29 #include "gnunet_transport_service.h"
31 #define TIMEOUT GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, 5)
38 static int resolve_addresses_numeric;
42 * For which peer should we change preference values?
46 static char *type_str;
47 static unsigned int value;
49 static struct GNUNET_ATS_PerformanceHandle *ph;
51 static struct GNUNET_CONFIGURATION_Handle *cfg;
53 GNUNET_SCHEDULER_TaskIdentifier end_task;
55 struct PendingResolutions
57 struct PendingResolutions *next;
58 struct PendingResolutions *prev;
60 struct GNUNET_HELLO_Address *address;
61 struct GNUNET_BANDWIDTH_Value32NBO bandwidth_out;
62 struct GNUNET_BANDWIDTH_Value32NBO bandwidth_in;
64 struct GNUNET_TRANSPORT_AddressToStringContext * tats_ctx;
67 struct PendingResolutions *head;
68 struct PendingResolutions *tail;
70 void transport_addr_to_str_cb (void *cls, const char *address)
72 struct PendingResolutions * pr = cls;
75 fprintf (stderr, _("Peer `%s' plugin `%s', address `%s', bandwidth out: %u Bytes/s, bandwidth in %u Bytes/s\n"),
76 GNUNET_i2s (&pr->address->peer), pr->address->transport_name, address,
77 ntohl (pr->bandwidth_out.value__), ntohl (pr->bandwidth_in.value__));
82 GNUNET_CONTAINER_DLL_remove (head, tail, pr);
83 GNUNET_free (pr->address);
89 void ats_perf_cb (void *cls,
91 GNUNET_HELLO_Address *
94 GNUNET_BANDWIDTH_Value32NBO
97 GNUNET_BANDWIDTH_Value32NBO
100 GNUNET_ATS_Information *
101 ats, uint32_t ats_count)
103 struct PendingResolutions * pr;
105 pr = GNUNET_malloc (sizeof (struct PendingResolutions));
106 pr->address = GNUNET_HELLO_address_copy (address);
107 pr->bandwidth_in = bandwidth_in;
108 pr->bandwidth_out = bandwidth_out;
109 pr->tats_ctx = GNUNET_TRANSPORT_address_to_string(cfg, address,
110 resolve_addresses_numeric, GNUNET_TIME_UNIT_FOREVER_REL, transport_addr_to_str_cb, pr);
111 GNUNET_CONTAINER_DLL_insert (head, tail, pr);
116 const struct GNUNET_SCHEDULER_TaskContext *tc)
118 struct PendingResolutions * pr;
119 struct PendingResolutions * next;
120 unsigned int pending;
122 GNUNET_ATS_performance_done (ph);
127 while (NULL != (pr = next))
130 GNUNET_CONTAINER_DLL_remove (head, tail, pr);
131 GNUNET_TRANSPORT_address_to_string_cancel (pr->tats_ctx);
132 GNUNET_free (pr->address);
137 fprintf (stderr, _("%u address resolutions had a timeout\n"), pending);
139 fprintf (stderr, _("ATS returned results for %u addresses\n"), results);
143 void testservice_ats (void *cls,
144 const struct GNUNET_SCHEDULER_TaskContext *tc)
146 struct GNUNET_PeerIdentity pid;
147 struct GNUNET_CONFIGURATION_Handle *cfg = cls;
151 if (0 != (tc->reason & GNUNET_SCHEDULER_REASON_TIMEOUT))
153 FPRINTF (stderr, _("Service `%s' is not running\n"), "ats");
160 if (GNUNET_OK != GNUNET_CRYPTO_hash_from_string (pid_str, &pid.hashPubKey))
162 FPRINTF (stderr, _("Failed to parse peer identity `%s'\n"), pid_str);
165 if (NULL == type_str)
167 FPRINTF (stderr, _("Type required\n"));
171 for (c = 0; c<strlen(type_str); c++)
172 if (isupper (type_str[c]))
173 type_str[c] = tolower (type_str[c]);
176 if (0 == strcasecmp("latency", type_str))
177 type = GNUNET_ATS_PREFERENCE_LATENCY;
178 else if (0 == strcasecmp("bandwidth", type_str))
179 type = GNUNET_ATS_PREFERENCE_BANDWIDTH;
182 FPRINTF (stderr, _("Type required\n"));
187 ph = GNUNET_ATS_performance_init (cfg, NULL, NULL);
189 fprintf (stderr, _("Cannot connect to ATS service, exiting...\n"));
191 GNUNET_ATS_change_preference (ph, &pid, type, (double) value, GNUNET_ATS_PREFERENCE_END);
193 end_task = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_SECONDS, &end, NULL);
197 ph = GNUNET_ATS_performance_init (cfg, ats_perf_cb, NULL);
199 fprintf (stderr, _("Cannot connect to ATS service, exiting...\n"));
201 if (GNUNET_NO == monitor)
202 end_task = GNUNET_SCHEDULER_add_delayed (TIMEOUT, &end, NULL);
204 end_task = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_FOREVER_REL, &end, NULL);
212 * Main function that will be run by the scheduler.
215 * @param args remaining command-line arguments
216 * @param cfgfile name of the configuration file used (for saving, can be NULL!)
217 * @param my_cfg configuration
220 run (void *cls, char *const *args, const char *cfgfile,
221 const struct GNUNET_CONFIGURATION_Handle *my_cfg)
223 cfg = (struct GNUNET_CONFIGURATION_Handle *) my_cfg;
224 GNUNET_CLIENT_service_test ("ats", cfg,
234 * @param argc number of arguments from the command line
235 * @param argv command line arguments
236 * @return 0 ok, 1 on error
239 main (int argc, char *const *argv)
242 resolve_addresses_numeric = GNUNET_NO;
245 static const struct GNUNET_GETOPT_CommandLineOption options[] = {
246 {'n', "numeric", NULL,
247 gettext_noop ("do not resolve IP addresses to hostnames"),
248 0, &GNUNET_GETOPT_set_one, &resolve_addresses_numeric},
249 {'m', "monitor", NULL,
250 gettext_noop ("monitor mode"),
251 0, &GNUNET_GETOPT_set_one, &monitor},
252 {'p', "preference", "PEER",
253 gettext_noop ("set preference for the given peer"),
254 1, &GNUNET_GETOPT_set_string, &pid_str},
255 {'t', "type", "TYPE",
256 gettext_noop ("preference type to set: latency | bandwidth"),
257 1, &GNUNET_GETOPT_set_string, &type_str},
258 {'k', "value", "VALUE",
259 gettext_noop ("preference value"),
260 1, &GNUNET_GETOPT_set_uint, &value},
261 GNUNET_GETOPT_OPTION_END
264 if (GNUNET_OK != GNUNET_STRINGS_get_utf8_args (argc, argv, &argc, &argv))
267 res = GNUNET_PROGRAM_run (argc, argv, "gnunet-ats",
268 gettext_noop ("Print information about ATS state"), options, &run,
270 GNUNET_free_non_null (pid_str);
271 GNUNET_free_non_null (type_str);
272 GNUNET_free ((void *) argv);
274 if (GNUNET_OK == res)
281 /* end of gnunet-ats.c */