GNUnet  0.11.x
gnunet-unindex.c
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1 /*
2  This file is part of GNUnet.
3  Copyright (C) 2001, 2002, 2004, 2005, 2006, 2007, 2009 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  */
28 #include "platform.h"
29 #include "gnunet_fs_service.h"
30 
31 static int ret;
32 
33 static unsigned int verbose;
34 
35 static const struct GNUNET_CONFIGURATION_Handle *cfg;
36 
37 static struct GNUNET_FS_Handle *ctx;
38 
40 
41 
42 static void
43 cleanup_task (void *cls)
44 {
45  GNUNET_FS_stop (ctx);
46  ctx = NULL;
47 }
48 
49 
50 static void
51 shutdown_task (void *cls)
52 {
53  struct GNUNET_FS_UnindexContext *u;
54 
55  if (uc != NULL)
56  {
57  u = uc;
58  uc = NULL;
60  }
61 }
62 
63 
77 static void *
78 progress_cb (void *cls, const struct GNUNET_FS_ProgressInfo *info)
79 {
80  const char *s;
81 
82  switch (info->status)
83  {
85  break;
86 
88  if (verbose)
89  {
91  GNUNET_YES);
92  fprintf (stdout,
93  _ ("Unindexing at %llu/%llu (%s remaining)\n"),
94  (unsigned long long) info->value.unindex.completed,
95  (unsigned long long) info->value.unindex.size,
96  s);
97  }
98  break;
99 
101  fprintf (stderr,
102  _ ("Error unindexing: %s.\n"),
103  info->value.unindex.specifics.error.message);
105  break;
106 
108  fprintf (stdout, "%s", _ ("Unindexing done.\n"));
110  break;
111 
114  break;
115 
116  default:
117  fprintf (stderr, _ ("Unexpected status: %d\n"), info->status);
118  break;
119  }
120  return NULL;
121 }
122 
123 
132 static void
133 run (void *cls,
134  char *const *args,
135  const char *cfgfile,
136  const struct GNUNET_CONFIGURATION_Handle *c)
137 {
138  /* check arguments */
139  if ((args[0] == NULL) || (args[1] != NULL))
140  {
141  printf (_ ("You must specify one and only one filename for unindexing.\n"));
142  ret = -1;
143  return;
144  }
145  cfg = c;
146  ctx = GNUNET_FS_start (cfg,
147  "gnunet-unindex",
148  &progress_cb,
149  NULL,
152  if (NULL == ctx)
153  {
154  fprintf (stderr, _ ("Could not initialize `%s' subsystem.\n"), "FS");
155  ret = 1;
156  return;
157  }
158  uc = GNUNET_FS_unindex_start (ctx, args[0], NULL);
159  if (NULL == uc)
160  {
161  fprintf (stderr, "%s", _ ("Could not start unindex operation.\n"));
162  GNUNET_FS_stop (ctx);
163  return;
164  }
166 }
167 
168 
176 int
177 main (int argc, char *const *argv)
178 {
179  struct GNUNET_GETOPT_CommandLineOption options[] = {
181 
183  };
184 
185  if (GNUNET_OK != GNUNET_STRINGS_get_utf8_args (argc, argv, &argc, &argv))
186  return 2;
187 
188  ret = (GNUNET_OK ==
190  argc,
191  argv,
192  "gnunet-unindex [OPTIONS] FILENAME",
193  gettext_noop (
194  "Unindex a file that was previously indexed with gnunet-publish."),
195  options,
196  &run,
197  NULL))
198  ? ret
199  : 1;
200  GNUNET_free ((void *) argv);
201  return ret;
202 }
203 
204 
205 /* end of gnunet-unindex.c */
static int ret
void GNUNET_FS_unindex_stop(struct GNUNET_FS_UnindexContext *uc)
Clean up after completion of an unindex operation.
Definition: fs_unindex.c:837
Notification that we started to unindex a file.
static void * progress_cb(void *cls, const struct GNUNET_FS_ProgressInfo *info)
Called by FS client to give information about the progress of an operation.
Notification that we made progress unindexing a file.
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, or when GNUNET_SCHEDULER_shutdown() is being invoked.
Definition: scheduler.c:1300
Master context for most FS operations.
Definition: fs_api.h:1068
struct GNUNET_GETOPT_CommandLineOption GNUNET_GETOPT_option_verbose(unsigned int *level)
Define the &#39;-V&#39; verbosity option.
int GNUNET_STRINGS_get_utf8_args(int argc, char *const *argv, int *u8argc, char *const **u8argv)
Returns utf-8 encoded arguments.
Definition: strings.c:1438
static struct GNUNET_FS_UnindexContext * uc
Last option in the VARARG list.
#define GNUNET_OK
Named constants for return values.
Definition: gnunet_common.h:75
Definition of a command line option.
void GNUNET_SCHEDULER_shutdown(void)
Request the shutdown of a scheduler.
Definition: scheduler.c:526
void GNUNET_FS_stop(struct GNUNET_FS_Handle *h)
Close our connection with the file-sharing service.
Definition: fs_api.c:3216
Handle for controlling an unindexing operation.
Definition: fs_api.h:1349
struct GNUNET_FS_ProgressInfo::@25::@29 unindex
Values for all "GNUNET_FS_STATUS_UNINDEX_*" events.
struct GNUNET_GETOPT_CommandLineOption GNUNET_GETOPT_OPTION_END
Definition: 002.c:13
static void shutdown_task(void *cls)
struct GNUNET_FS_Handle * GNUNET_FS_start(const struct GNUNET_CONFIGURATION_Handle *cfg, const char *client_name, GNUNET_FS_ProgressCallback upcb, void *upcb_cls, enum GNUNET_FS_Flags flags,...)
Setup a connection to the file-sharing service.
Definition: fs_api.c:3141
No special flags set.
#define _(String)
GNU gettext support macro.
Definition: platform.h:181
union GNUNET_FS_ProgressInfo::@25 value
Values that depend on the event type.
static unsigned int verbose
struct GNUNET_FS_UnindexContext * GNUNET_FS_unindex_start(struct GNUNET_FS_Handle *h, const char *filename, void *cctx)
Unindex a file.
Definition: fs_unindex.c:795
struct GNUNET_SCHEDULER_Task * GNUNET_SCHEDULER_add_now(GNUNET_SCHEDULER_TaskCallback task, void *task_cls)
Schedule a new task to be run as soon as possible.
Definition: scheduler.c:1280
enum GNUNET_FS_Status status
Specific status code (determines the event type).
const char * GNUNET_STRINGS_relative_time_to_string(struct GNUNET_TIME_Relative delta, int do_round)
Give relative time in human-readable fancy format.
Definition: strings.c:687
static void run(void *cls, char *const *args, const char *cfgfile, const struct GNUNET_CONFIGURATION_Handle *c)
Main function that will be run by the scheduler.
static struct GNUNET_FS_Handle * ctx
Notification that the unindexing of this file was stopped (final event for this action).
Notification that the unindexing of this file was completed.
int main(int argc, char *const *argv)
The main function to unindex content.
configuration data
Definition: configuration.c:85
int 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, parse options).
Definition: program.c:367
#define GNUNET_YES
Definition: gnunet_common.h:77
Notification that we encountered an error unindexing a file.
static const struct GNUNET_CONFIGURATION_Handle * cfg
#define GNUNET_free(ptr)
Wrapper around free.
Argument given to the progress callback with information about what is going on.
static void cleanup_task(void *cls)
#define gettext_noop(String)
Definition: gettext.h:69