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/*
This file is part of GNUnet.
Copyright (C) 2010, 2012, 2015 GNUnet e.V.
GNUnet is free software: you can redistribute it and/or modify it
under the terms of the GNU Affero General Public License as published
by the Free Software Foundation, either version 3 of the License,
or (at your option) any later version.
GNUnet is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Affero General Public License for more details.
*/
/**
* @file fs/test_gnunet_service_fs_migration.c
* @brief test content migration between two peers
* @author Christian Grothoff
*/
#include "platform.h"
#include "fs_test_lib.h"
#include "gnunet_testbed_service.h"
#define VERBOSE GNUNET_NO
/**
* File-size we use for testing.
*/
#define FILESIZE (2 * 32 * 1024)
/**
* How long until we give up on transmitting the message?
*/
#define TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 120)
/**
* How long do we give the peers for content migration?
*/
#define MIGRATION_DELAY GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 90)
#define SEED 42
static struct GNUNET_TESTBED_Peer *daemons[2];
static int ok;
static struct GNUNET_TIME_Absolute start_time;
static struct GNUNET_TESTBED_Operation *op;
struct DownloadContext
{
char *fn;
struct GNUNET_FS_Uri *uri;
};
static void
do_stop (void *cls)
{
struct GNUNET_TIME_Relative del;
char *fancy;
GNUNET_SCHEDULER_shutdown ();
if (0 ==
GNUNET_TIME_absolute_get_remaining (GNUNET_TIME_absolute_add (start_time,
TIMEOUT)).rel_value_us)
{
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Timeout during download, shutting down with error\n");
ok = 1;
}
else
{
del = GNUNET_TIME_absolute_get_duration (start_time);
if (del.rel_value_us == 0)
del.rel_value_us = 1;
fancy =
GNUNET_STRINGS_byte_size_fancy (((unsigned long long) FILESIZE) *
1000000LL / del.rel_value_us);
FPRINTF (stdout,
"Download speed was %s/s\n",
fancy);
GNUNET_free (fancy);
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Finished download, shutting down\n");
}
}
static void
do_download (void *cls,
const char *emsg)
{
struct DownloadContext *dc = cls;
struct GNUNET_FS_Uri *uri = dc->uri;
GNUNET_TESTBED_operation_done (op);
op = NULL;
if (NULL != dc->fn)
{
GNUNET_DISK_directory_remove (dc->fn);
GNUNET_free (dc->fn);
}
GNUNET_free (dc);
if (NULL != emsg)
{
GNUNET_SCHEDULER_shutdown ();
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Failed to stop source daemon: %s\n",
emsg);
GNUNET_FS_uri_destroy (uri);
ok = 1;
return;
}
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Downloading %llu bytes\n",
(unsigned long long) FILESIZE);
start_time = GNUNET_TIME_absolute_get ();
GNUNET_FS_TEST_download (daemons[0],
TIMEOUT,
1,
SEED,
uri,
VERBOSE,
&do_stop,
NULL);
GNUNET_FS_uri_destroy (uri);
}
static void
stop_source_peer (void *cls)
{
struct DownloadContext *dc = cls;
/* FIXME: We should not interact with testbed when shutting down */
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Stopping source peer\n");
op = GNUNET_TESTBED_peer_stop (NULL,
daemons[1],
&do_download, dc);
GNUNET_assert (NULL != op);
}
static void
do_wait (void *cls,
const struct GNUNET_FS_Uri *uri,
const char *fn)
{
struct DownloadContext *dc;
if (NULL == uri)
{
GNUNET_SCHEDULER_shutdown ();
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Timeout during upload attempt, shutting down with error\n");
ok = 1;
return;
}
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Waiting to allow content to migrate\n");
dc = GNUNET_new (struct DownloadContext);
dc->uri = GNUNET_FS_uri_dup (uri);
if (NULL != fn)
dc->fn = GNUNET_strdup (fn);
(void) GNUNET_SCHEDULER_add_delayed (MIGRATION_DELAY,
&stop_source_peer,
dc);
}
static void
do_publish (void *cls,
struct GNUNET_TESTBED_RunHandle *h,
unsigned int num_peers,
struct GNUNET_TESTBED_Peer **peers,
unsigned int links_succeeded,
unsigned int links_failed)
{
unsigned int i;
GNUNET_assert (2 == num_peers);
for (i=0;i<num_peers;i++)
daemons[i] = peers[i];
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Publishing %llu bytes\n",
(unsigned long long) FILESIZE);
GNUNET_FS_TEST_publish (daemons[1], TIMEOUT, 1, GNUNET_NO,
FILESIZE, SEED,
VERBOSE, &do_wait, NULL);
}
int
main (int argc,
char *argv[])
{
(void) GNUNET_TESTBED_test_run ("test-gnunet-service-fs-migration",
"fs_test_lib_data.conf",
2,
0, NULL, NULL,
&do_publish,
NULL);
GNUNET_DISK_directory_remove ("/tmp/test-gnunet-service-fs-migration/");
return ok;
}
/* end of test_gnunet_service_fs_migration.c */
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