GNUnet 0.21.0
gnunet-nse.c
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1/*
2 This file is part of GNUnet
3 Copyright (C) 2008--2014, 2016 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
27#include "platform.h"
28#include "gnunet_nse_service.h"
29
33static struct GNUNET_NSE_Handle *nse;
34
38static int status;
39
40
46static void
47do_shutdown (void *cls)
48{
49 (void) cls;
50 if (NULL != nse)
51 {
53 nse = NULL;
54 }
55}
56
57
67static void
68handle_estimate (void *cls,
69 struct GNUNET_TIME_Absolute timestamp,
70 double estimate,
71 double std_dev)
72{
73 (void) cls;
74 status = 0;
75 fprintf (stdout,
76 "%llu %f %f %f\n",
77 (unsigned long long) timestamp.abs_value_us,
79 estimate,
80 std_dev);
81}
82
83
92static void
93run (void *cls,
94 char *const *args,
95 const char *cfgfile,
96 const struct GNUNET_CONFIGURATION_Handle *cfg)
97{
98 (void) cls;
99 (void) args;
100 (void) cfgfile;
103}
104
105
111int
112main (int argc, char *const *argv)
113{
114 static struct GNUNET_GETOPT_CommandLineOption options[] = {
116 };
117
118 status = 1;
119 if (GNUNET_OK !=
120 GNUNET_PROGRAM_run (argc,
121 argv,
122 "gnunet-nse",
124 "Show network size estimates from NSE service."),
125 options,
126 &run,
127 NULL))
128 return 2;
129 return status;
130}
struct GNUNET_GETOPT_CommandLineOption GNUNET_GETOPT_OPTION_END
Definition: 002.c:13
struct GNUNET_GETOPT_CommandLineOption options[]
Definition: 002.c:5
#define gettext_noop(String)
Definition: gettext.h:70
static struct GNUNET_CONFIGURATION_Handle * cfg
Our configuration.
Definition: gnunet-arm.c:109
static struct GNUNET_NSE_Handle * nse
The handle to the NSE service.
Definition: gnunet-nse.c:33
static int status
The program status; 0 for success.
Definition: gnunet-nse.c:38
static void do_shutdown(void *cls)
Task to shutdown and clean up all state.
Definition: gnunet-nse.c:47
static void handle_estimate(void *cls, struct GNUNET_TIME_Absolute timestamp, double estimate, double std_dev)
Callback to call when network size estimate is updated.
Definition: gnunet-nse.c:68
static void run(void *cls, char *const *args, const char *cfgfile, const struct GNUNET_CONFIGURATION_Handle *cfg)
Actual main function that runs the emulation.
Definition: gnunet-nse.c:93
int main(int argc, char *const *argv)
Main function.
Definition: gnunet-nse.c:112
API to retrieve the current network size estimate.
@ GNUNET_OK
void GNUNET_NSE_disconnect(struct GNUNET_NSE_Handle *h)
Disconnect from network size estimation service.
Definition: nse_api.c:192
#define GNUNET_NSE_log_estimate_to_n(loge)
Convert the logarithmic estimated returned to the 'GNUNET_NSE_Callback' into an absolute estimate in ...
struct GNUNET_NSE_Handle * GNUNET_NSE_connect(const struct GNUNET_CONFIGURATION_Handle *cfg, GNUNET_NSE_Callback func, void *func_cls)
Connect to the network size estimation service.
Definition: nse_api.c:164
enum GNUNET_GenericReturnValue GNUNET_PROGRAM_run(int argc, char *const *argv, const char *binaryName, const char *binaryHelp, const struct GNUNET_GETOPT_CommandLineOption *options, GNUNET_PROGRAM_Main task, void *task_cls)
Run a standard GNUnet command startup sequence (initialize loggers and configuration,...
Definition: program.c:400
struct GNUNET_SCHEDULER_Task * GNUNET_SCHEDULER_add_shutdown(GNUNET_SCHEDULER_TaskCallback task, void *task_cls)
Schedule a new task to be run on shutdown, that is when a CTRL-C signal is received,...
Definition: scheduler.c:1334
Definition of a command line option.
Handle for talking with the NSE service.
Definition: nse_api.c:40
Time for absolute times used by GNUnet, in microseconds.
uint64_t abs_value_us
The actual value.