GNUnet  0.11.x
Data Structures | Functions | Variables
gnunet-daemon-fsprofiler.c File Reference

daemon that publishes and downloads (random) files More...

#include "platform.h"
#include "gnunet_fs_service.h"
#include "gnunet_statistics_service.h"
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Data Structures

struct  Pattern
 We use 'patterns' of the form (x,y,t) to specify desired download/publish activities of a peer. More...
 

Functions

static int parse_pattern (struct Pattern **head, struct Pattern **tail, const char *pattern)
 Parse a pattern string and store the corresponding 'struct Pattern' in the given head/tail. More...
 
static struct GNUNET_FS_Urimake_keywords (uint64_t kval)
 Create a KSK URI from a number. More...
 
static struct GNUNET_FS_FileInformationmake_file (uint64_t length, uint64_t kval, void *ctx)
 Create a file of the given length with a deterministic amount of data to be published under keyword 'kval'. More...
 
static void shutdown_task (void *cls)
 Task run during shutdown. More...
 
static void publish_stop_task (void *cls)
 Task run when a publish operation should be stopped. More...
 
static void download_stop_task (void *cls)
 Task run when a download operation should be stopped. More...
 
static void search_stop_task (void *cls)
 Task run when a download operation should be stopped. More...
 
static void * progress_cb (void *cls, const struct GNUNET_FS_ProgressInfo *info)
 Notification of FS to a client about the progress of an operation. More...
 
static void start_publish (void *cls)
 Start publish operation. More...
 
static void start_download (void *cls)
 Start download operation. More...
 
static void run (void *cls, char *const *args, const char *cfgfile, const struct GNUNET_CONFIGURATION_Handle *cfg_)
 Main function that will be run by the scheduler. More...
 
int main (int argc, char *const *argv)
 Program that performs various "random" FS activities. More...
 

Variables

static int global_ret
 Return value from 'main'. More...
 
static const struct GNUNET_CONFIGURATION_Handlecfg
 Configuration we use. More...
 
static struct GNUNET_STATISTICS_Handlestats_handle
 Handle to the statistics service. More...
 
static struct GNUNET_FS_Handlefs_handle
 Peer's FS handle. More...
 
static unsigned long long my_peerid
 Unique number for this peer in the testbed. More...
 
static unsigned long long anonymity_level
 Desired anonymity level. More...
 
static unsigned long long replication_level
 Desired replication level. More...
 
static char * publish_pattern
 String describing which publishing operations this peer should perform. More...
 
static struct Patternpublish_head
 Head of the DLL of publish patterns. More...
 
static struct Patternpublish_tail
 Tail of the DLL of publish patterns. More...
 
static char * download_pattern
 String describing which download operations this peer should perform. More...
 
static struct Patterndownload_head
 Head of the DLL of publish patterns. More...
 
static struct Patterndownload_tail
 Tail of the DLL of publish patterns. More...
 

Detailed Description

daemon that publishes and downloads (random) files

Author
Christian Grothoff

TODO:

Definition in file gnunet-daemon-fsprofiler.c.

Function Documentation

◆ parse_pattern()

static int parse_pattern ( struct Pattern **  head,
struct Pattern **  tail,
const char *  pattern 
)
static

Parse a pattern string and store the corresponding 'struct Pattern' in the given head/tail.

Parameters
headwhere to store the head
tailwhere to store the tail
patternpattern to parse
Returns
GNUNET_OK on success

Definition at line 176 of file gnunet-daemon-fsprofiler.c.

References Pattern::delay, GNUNET_assert, GNUNET_CONTAINER_DLL_insert, GNUNET_new, GNUNET_OK, GNUNET_SYSERR, p, GNUNET_TIME_Relative::rel_value_us, t, Pattern::x, and Pattern::y.

Referenced by run().

179 {
180  struct Pattern *p;
181  unsigned long long x;
182  unsigned long long y;
183  unsigned long long t;
184 
185  while (3 == sscanf (pattern,
186  "(%llu,%llu,%llu)",
187  &x, &y, &t))
188  {
189  p = GNUNET_new (struct Pattern);
190  p->x = x;
191  p->y = y;
192  p->delay.rel_value_us = (uint64_t) t;
193  GNUNET_CONTAINER_DLL_insert (*head, *tail, p);
194  pattern = strstr (pattern, ")");
195  GNUNET_assert (NULL != pattern);
196  pattern++;
197  }
198  return (0 == strlen (pattern)) ? GNUNET_OK : GNUNET_SYSERR;
199 }
uint64_t rel_value_us
The actual value.
#define GNUNET_CONTAINER_DLL_insert(head, tail, element)
Insert an element at the head of a DLL.
unsigned long long y
Y-value.
#define GNUNET_assert(cond)
Use this for fatal errors that cannot be handled.
struct GNUNET_TIME_Relative delay
With how much delay should this operation be started?
#define GNUNET_OK
Named constants for return values.
Definition: gnunet_common.h:75
#define GNUNET_new(type)
Allocate a struct or union of the given type.
static struct GNUNET_SCHEDULER_Task * t
Main task.
We use 'patterns' of the form (x,y,t) to specify desired download/publish activities of a peer...
static struct GNUNET_OS_Process * p
Helper process we started.
Definition: gnunet-qr.c:59
unsigned long long x
X-value.
#define GNUNET_SYSERR
Definition: gnunet_common.h:76
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◆ make_keywords()

static struct GNUNET_FS_Uri* make_keywords ( uint64_t  kval)
static

Create a KSK URI from a number.

Parameters
kvalthe number
Returns
corresponding KSK URI

Definition at line 209 of file gnunet-daemon-fsprofiler.c.

References GNUNET_FS_uri_ksk_create(), and GNUNET_snprintf().

Referenced by make_file(), and start_download().

210 {
211  char kw[128];
212 
213  GNUNET_snprintf (kw, sizeof(kw),
214  "%llu", (unsigned long long) kval);
215  return GNUNET_FS_uri_ksk_create (kw, NULL);
216 }
int GNUNET_snprintf(char *buf, size_t size, const char *format,...)
Like snprintf, just aborts if the buffer is of insufficient size.
struct GNUNET_FS_Uri * GNUNET_FS_uri_ksk_create(const char *keywords, char **emsg)
Create an FS URI from a single user-supplied string of keywords.
Definition: fs_uri.c:1060
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◆ make_file()

static struct GNUNET_FS_FileInformation* make_file ( uint64_t  length,
uint64_t  kval,
void *  ctx 
)
static

Create a file of the given length with a deterministic amount of data to be published under keyword 'kval'.

Parameters
lengthnumber of bytes in the file
kvalkeyword value and seed for the data of the file
ctxcontext to pass to 'fi'
Returns
file information handle for the file

Definition at line 229 of file gnunet-daemon-fsprofiler.c.

References anonymity_level, GNUNET_FS_BlockOptions::anonymity_level, GNUNET_FS_BlockOptions::content_priority, data, GNUNET_FS_BlockOptions::expiration_time, GNUNET_FS_file_information_create_from_data(), GNUNET_FS_uri_destroy(), GNUNET_malloc_large, GNUNET_memcpy, GNUNET_MIN, GNUNET_NO, GNUNET_TIME_relative_to_absolute(), GNUNET_TIME_UNIT_DAYS, GNUNET_FS_Uri::keywords, make_keywords(), replication_level, and GNUNET_FS_BlockOptions::replication_level.

Referenced by start_publish().

232 {
233  struct GNUNET_FS_FileInformation *fi;
234  struct GNUNET_FS_BlockOptions bo;
235  char *data;
236  struct GNUNET_FS_Uri *keywords;
237  unsigned long long i;
238  uint64_t xor;
239 
240  data = NULL; /* to make compilers happy */
241  if ((0 != length) &&
242  (NULL == (data = GNUNET_malloc_large ((size_t) length))))
243  return NULL;
244  /* initialize data with 'unique' data only depending on 'kval' and 'size',
245  making sure that blocks do not repeat */
246  for (i = 0; i < length; i += 8)
247  {
248  xor = length ^ kval ^ (uint64_t) (i / 32 / 1024);
249  GNUNET_memcpy (&data[i], &xor, GNUNET_MIN (length - i, sizeof(uint64_t)));
250  }
252  bo.anonymity_level = (uint32_t) anonymity_level;
253  bo.content_priority = 128;
255  keywords = make_keywords (kval);
257  ctx,
258  length,
259  data, keywords,
260  NULL, GNUNET_NO, &bo);
261  GNUNET_FS_uri_destroy (keywords);
262  return fi;
263 }
struct GNUNET_TIME_Absolute expiration_time
At what time should the block expire? Data blocks (DBLOCKS and IBLOCKS) may still be used even if the...
static struct GNUNET_FS_Uri * make_keywords(uint64_t kval)
Create a KSK URI from a number.
struct GNUNET_TIME_Absolute GNUNET_TIME_relative_to_absolute(struct GNUNET_TIME_Relative rel)
Convert relative time to an absolute time in the future.
Definition: time.c:246
struct GNUNET_FS_FileInformation * GNUNET_FS_file_information_create_from_data(struct GNUNET_FS_Handle *h, void *client_info, uint64_t length, void *data, const struct GNUNET_FS_Uri *keywords, const struct GNUNET_CONTAINER_MetaData *meta, int do_index, const struct GNUNET_FS_BlockOptions *bo)
Create an entry for a file in a publish-structure.
#define GNUNET_memcpy(dst, src, n)
Call memcpy() but check for n being 0 first.
#define GNUNET_NO
Definition: gnunet_common.h:78
Information for a file or directory that is about to be published.
Definition: fs_api.h:226
#define GNUNET_malloc_large(size)
Wrapper around malloc.
static struct GNUNET_DNSSTUB_Context * ctx
Context for DNS resolution.
uint32_t anonymity_level
At which anonymity level should the block be shared? (0: no anonymity, 1: normal GAP, >1: with cover traffic).
static unsigned long long anonymity_level
Desired anonymity level.
static unsigned long long replication_level
Desired replication level.
char ** keywords
Keywords start with a &#39;+&#39; if they are mandatory (in which case the &#39;+&#39; is NOT part of the keyword) an...
Definition: fs_api.h:185
#define GNUNET_MIN(a, b)
Definition: gnunet_common.h:80
void GNUNET_FS_uri_destroy(struct GNUNET_FS_Uri *uri)
Free URI.
Definition: fs_uri.c:678
Settings for publishing a block (which may of course also apply to an entire directory or file)...
static struct GNUNET_FS_Handle * fs_handle
Peer&#39;s FS handle.
#define GNUNET_TIME_UNIT_DAYS
One day.
uint32_t replication_level
How often should we try to migrate the block to other peers? Only used if "CONTENT_PUSHING" is set to...
A Universal Resource Identifier (URI), opaque.
Definition: fs_api.h:165
uint32_t content_priority
How important is it for us to store the block? If we run out of space, the highest-priority, non-expired blocks will be kept.
uint32_t data
The data value.
static struct GNUNET_FS_BlockOptions bo
Options we set for published blocks.
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◆ shutdown_task()

static void shutdown_task ( void *  cls)
static

Task run during shutdown.

Parameters
clsunused

Definition at line 272 of file gnunet-daemon-fsprofiler.c.

References Pattern::ctx, GNUNET_CONTAINER_DLL_remove, GNUNET_free, GNUNET_FS_download_stop(), GNUNET_FS_publish_stop(), GNUNET_FS_search_stop(), GNUNET_FS_stop(), GNUNET_SCHEDULER_cancel(), GNUNET_STATISTICS_destroy(), GNUNET_YES, p, Pattern::sctx, Pattern::stask, and Pattern::task.

Referenced by run().

273 {
274  struct Pattern *p;
275 
276  while (NULL != (p = publish_head))
277  {
278  if (NULL != p->task)
280  if (NULL != p->ctx)
283  GNUNET_free (p);
284  }
285  while (NULL != (p = download_head))
286  {
287  if (NULL != p->task)
289  if (NULL != p->stask)
291  if (NULL != p->ctx)
293  if (NULL != p->sctx)
296  GNUNET_free (p);
297  }
298  if (NULL != fs_handle)
299  {
301  fs_handle = NULL;
302  }
303  if (NULL != stats_handle)
304  {
306  stats_handle = NULL;
307  }
308 }
#define GNUNET_CONTAINER_DLL_remove(head, tail, element)
Remove an element from a DLL.
struct GNUNET_SCHEDULER_Task * stask
Secondary task to run the operation.
void GNUNET_FS_publish_stop(struct GNUNET_FS_PublishContext *pc)
Stop an upload.
Definition: fs_publish.c:1570
void * ctx
Execution context for the pattern (FS-handle to the operation).
static struct Pattern * download_head
Head of the DLL of publish patterns.
void GNUNET_STATISTICS_destroy(struct GNUNET_STATISTICS_Handle *h, int sync_first)
Destroy a handle (free all state associated with it).
void GNUNET_FS_stop(struct GNUNET_FS_Handle *h)
Close our connection with the file-sharing service.
Definition: fs_api.c:3216
We use &#39;patterns&#39; of the form (x,y,t) to specify desired download/publish activities of a peer...
static struct GNUNET_STATISTICS_Handle * stats_handle
Handle to the statistics service.
static struct GNUNET_OS_Process * p
Helper process we started.
Definition: gnunet-qr.c:59
struct GNUNET_SCHEDULER_Task * task
Task to run the operation.
void GNUNET_FS_download_stop(struct GNUNET_FS_DownloadContext *dc, int do_delete)
Stop a download (aborts if download is incomplete).
Definition: fs_download.c:2333
static struct GNUNET_FS_Handle * fs_handle
Peer&#39;s FS handle.
static struct Pattern * publish_head
Head of the DLL of publish patterns.
void * sctx
Secondary execution context for the pattern (FS-handle to the operation).
#define GNUNET_YES
Definition: gnunet_common.h:77
static struct Pattern * publish_tail
Tail of the DLL of publish patterns.
void GNUNET_FS_search_stop(struct GNUNET_FS_SearchContext *sc)
Stop search for content.
Definition: fs_search.c:1778
#define GNUNET_free(ptr)
Wrapper around free.
void * GNUNET_SCHEDULER_cancel(struct GNUNET_SCHEDULER_Task *task)
Cancel the task with the specified identifier.
Definition: scheduler.c:966
static struct Pattern * download_tail
Tail of the DLL of publish patterns.
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◆ publish_stop_task()

static void publish_stop_task ( void *  cls)
static

Task run when a publish operation should be stopped.

Parameters
clsthe 'struct Pattern' of the publish operation to stop

Definition at line 317 of file gnunet-daemon-fsprofiler.c.

References Pattern::ctx, GNUNET_FS_publish_stop(), p, and Pattern::task.

Referenced by progress_cb().

318 {
319  struct Pattern *p = cls;
320 
321  p->task = NULL;
323 }
void GNUNET_FS_publish_stop(struct GNUNET_FS_PublishContext *pc)
Stop an upload.
Definition: fs_publish.c:1570
void * ctx
Execution context for the pattern (FS-handle to the operation).
We use &#39;patterns&#39; of the form (x,y,t) to specify desired download/publish activities of a peer...
static struct GNUNET_OS_Process * p
Helper process we started.
Definition: gnunet-qr.c:59
struct GNUNET_SCHEDULER_Task * task
Task to run the operation.
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◆ download_stop_task()

static void download_stop_task ( void *  cls)
static

Task run when a download operation should be stopped.

Parameters
clsthe 'struct Pattern' of the download operation to stop

Definition at line 332 of file gnunet-daemon-fsprofiler.c.

References Pattern::ctx, GNUNET_FS_download_stop(), GNUNET_YES, p, and Pattern::task.

Referenced by progress_cb().

333 {
334  struct Pattern *p = cls;
335 
336  p->task = NULL;
338 }
void * ctx
Execution context for the pattern (FS-handle to the operation).
We use &#39;patterns&#39; of the form (x,y,t) to specify desired download/publish activities of a peer...
static struct GNUNET_OS_Process * p
Helper process we started.
Definition: gnunet-qr.c:59
struct GNUNET_SCHEDULER_Task * task
Task to run the operation.
void GNUNET_FS_download_stop(struct GNUNET_FS_DownloadContext *dc, int do_delete)
Stop a download (aborts if download is incomplete).
Definition: fs_download.c:2333
#define GNUNET_YES
Definition: gnunet_common.h:77
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◆ search_stop_task()

static void search_stop_task ( void *  cls)
static

Task run when a download operation should be stopped.

Parameters
clsthe 'struct Pattern' of the download operation to stop

Definition at line 347 of file gnunet-daemon-fsprofiler.c.

References GNUNET_FS_search_stop(), p, Pattern::sctx, and Pattern::stask.

Referenced by progress_cb().

348 {
349  struct Pattern *p = cls;
350 
351  p->stask = NULL;
353 }
struct GNUNET_SCHEDULER_Task * stask
Secondary task to run the operation.
We use &#39;patterns&#39; of the form (x,y,t) to specify desired download/publish activities of a peer...
static struct GNUNET_OS_Process * p
Helper process we started.
Definition: gnunet-qr.c:59
void * sctx
Secondary execution context for the pattern (FS-handle to the operation).
void GNUNET_FS_search_stop(struct GNUNET_FS_SearchContext *sc)
Stop search for content.
Definition: fs_search.c:1778
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◆ progress_cb()

static void* progress_cb ( void *  cls,
const struct GNUNET_FS_ProgressInfo info 
)
static

Notification of FS to a client about the progress of an operation.

Callbacks of this type will be used for uploads, downloads and searches. Some of the arguments depend a bit in their meaning on the context in which the callback is used.

Parameters
clsclosure
infodetails about the event, specifying the event type and various bits about the event
Returns
client-context (for the next progress call for this operation; should be set to NULL for SUSPEND and STOPPED events). The value returned will be passed to future callbacks in the respective field in the GNUNET_FS_ProgressInfo struct.

Definition at line 372 of file gnunet-daemon-fsprofiler.c.

References anonymity_level, Pattern::ctx, GNUNET_FS_ProgressInfo::download, download_stop_task(), GNUNET_break, GNUNET_CONTAINER_DLL_remove, GNUNET_ERROR_TYPE_ERROR, GNUNET_free, GNUNET_FS_DOWNLOAD_NO_TEMPORARIES, GNUNET_FS_download_start(), GNUNET_FS_STATUS_DOWNLOAD_ACTIVE, GNUNET_FS_STATUS_DOWNLOAD_COMPLETED, GNUNET_FS_STATUS_DOWNLOAD_ERROR, GNUNET_FS_STATUS_DOWNLOAD_INACTIVE, GNUNET_FS_STATUS_DOWNLOAD_PROGRESS, GNUNET_FS_STATUS_DOWNLOAD_START, GNUNET_FS_STATUS_DOWNLOAD_STOPPED, GNUNET_FS_STATUS_PUBLISH_COMPLETED, GNUNET_FS_STATUS_PUBLISH_ERROR, GNUNET_FS_STATUS_PUBLISH_PROGRESS, GNUNET_FS_STATUS_PUBLISH_PROGRESS_DIRECTORY, GNUNET_FS_STATUS_PUBLISH_START, GNUNET_FS_STATUS_PUBLISH_STOPPED, GNUNET_FS_STATUS_SEARCH_ERROR, GNUNET_FS_STATUS_SEARCH_RESULT, GNUNET_FS_STATUS_SEARCH_RESULT_NAMESPACE, GNUNET_FS_STATUS_SEARCH_RESULT_STOPPED, GNUNET_FS_STATUS_SEARCH_START, GNUNET_FS_STATUS_SEARCH_STOPPED, GNUNET_FS_STATUS_SEARCH_UPDATE, GNUNET_FS_uri_chk_get_file_size(), GNUNET_FS_uri_test_chk(), GNUNET_log, GNUNET_NO, GNUNET_SCHEDULER_add_now(), GNUNET_STATISTICS_update(), GNUNET_TIME_absolute_get(), GNUNET_TIME_absolute_get_duration(), GNUNET_YES, p, GNUNET_FS_ProgressInfo::publish, publish_stop_task(), GNUNET_TIME_Relative::rel_value_us, Pattern::sctx, GNUNET_FS_ProgressInfo::search, search_stop_task(), Pattern::start_time, Pattern::stask, GNUNET_FS_ProgressInfo::status, Pattern::task, uri, GNUNET_FS_ProgressInfo::value, and Pattern::y.

Referenced by run().

374 {
375  struct Pattern *p;
376  const struct GNUNET_FS_Uri *uri;
377 
378  switch (info->status)
379  {
382  p = info->value.publish.cctx;
383  return p;
384 
386  p = info->value.publish.cctx;
387  return p;
388 
391  "Publishing failed\n");
393  "# failed publish operations", 1, GNUNET_NO);
394  p = info->value.publish.cctx;
396  return p;
397 
399  p = info->value.publish.cctx;
401  "# publishing time (ms)",
403  p->start_time).rel_value_us / 1000LL,
404  GNUNET_NO);
406  return p;
407 
409  p = info->value.publish.cctx;
410  p->ctx = NULL;
412  GNUNET_free (p);
413  return NULL;
414 
419  p = info->value.download.cctx;
420  return p;
421 
424  "Download failed\n");
426  "# failed downloads", 1, GNUNET_NO);
427  p = info->value.download.cctx;
429  return p;
430 
432  p = info->value.download.cctx;
434  "# download time (ms)",
436  p->start_time).rel_value_us / 1000LL,
437  GNUNET_NO);
439  return p;
440 
442  p = info->value.download.cctx;
443  p->ctx = NULL;
444  if (NULL == p->sctx)
445  {
447  GNUNET_free (p);
448  }
449  return NULL;
450 
453  p = info->value.search.cctx;
454  return p;
455 
457  p = info->value.search.cctx;
458  uri = info->value.search.specifics.result.uri;
459  if (GNUNET_YES != GNUNET_FS_uri_test_chk (uri))
460  return NULL; /* not what we want */
461  if (p->y != GNUNET_FS_uri_chk_get_file_size (uri))
462  return NULL; /* not what we want */
464  "# search time (ms)",
466  p->start_time).rel_value_us / 1000LL,
467  GNUNET_NO);
470  NULL, NULL, NULL,
474  p,
475  NULL);
477  return NULL;
478 
481  return NULL; /* don't care */
482 
485  "Search failed\n");
487  "# failed searches", 1, GNUNET_NO);
488  p = info->value.search.cctx;
490  return p;
491 
493  p = info->value.search.cctx;
494  p->sctx = NULL;
495  if (NULL == p->ctx)
496  {
498  GNUNET_free (p);
499  }
500  return NULL;
501 
502  default:
503  /* unexpected event during profiling */
504  GNUNET_break (0);
505  return NULL;
506  }
507 }
#define GNUNET_CONTAINER_DLL_remove(head, tail, element)
Remove an element from a DLL.
Notification that we have started this download.
struct GNUNET_SCHEDULER_Task * stask
Secondary task to run the operation.
uint64_t rel_value_us
The actual value.
This search has yielded a result.
Last message from a search; this signals that there will be no further events associated with this se...
struct GNUNET_FS_ProgressInfo::@25::@27 download
Values for all "GNUNET_FS_STATUS_DOWNLOAD_*" events.
Notification that we are making progress sharing a file structure.
void * ctx
Execution context for the pattern (FS-handle to the operation).
Event generated for each search result when the respective search is stopped.
unsigned long long y
Y-value.
static struct Pattern * download_head
Head of the DLL of publish patterns.
First event generated when a client requests a search to begin or when a namespace result automatical...
#define GNUNET_NO
Definition: gnunet_common.h:78
void GNUNET_STATISTICS_update(struct GNUNET_STATISTICS_Handle *handle, const char *name, int64_t delta, int make_persistent)
Set statistic value for the peer.
We have discovered a new namespace.
We use &#39;patterns&#39; of the form (x,y,t) to specify desired download/publish activities of a peer...
struct GNUNET_FS_DownloadContext * GNUNET_FS_download_start(struct GNUNET_FS_Handle *h, const struct GNUNET_FS_Uri *uri, const struct GNUNET_CONTAINER_MetaData *meta, const char *filename, const char *tempname, uint64_t offset, uint64_t length, uint32_t anonymity, enum GNUNET_FS_DownloadOptions options, void *cctx, struct GNUNET_FS_DownloadContext *parent)
Download parts of a file.
Definition: fs_download.c:2145
#define GNUNET_break(cond)
Use this for internal assertion violations that are not fatal (can be handled) but should not occur...
Notification that we have stopped the process of uploading a file structure; no futher events will be...
Do not append temporary data to the target file (for the IBlocks).
static struct GNUNET_FS_Uri * uri
Value of URI provided on command-line (when not publishing a file but just creating UBlocks to refer ...
Notification that we have started to publish a file structure.
static unsigned long long anonymity_level
Desired anonymity level.
static void publish_stop_task(void *cls)
Task run when a publish operation should be stopped.
Notification that this download completed.
union GNUNET_FS_ProgressInfo::@25 value
Values that depend on the event type.
static struct GNUNET_STATISTICS_Handle * stats_handle
Handle to the statistics service.
static struct GNUNET_OS_Process * p
Helper process we started.
Definition: gnunet-qr.c:59
Notification that we are making progress sharing a directory.
struct GNUNET_FS_ProgressInfo::@25::@28 search
Values for all "GNUNET_FS_STATUS_SEARCH_*" events.
struct GNUNET_SCHEDULER_Task * task
Task to run the operation.
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).
struct GNUNET_TIME_Absolute start_time
When did the operation start?
struct GNUNET_TIME_Absolute GNUNET_TIME_absolute_get(void)
Get the current time.
Definition: time.c:118
int GNUNET_FS_uri_test_chk(const struct GNUNET_FS_Uri *uri)
Is this a file (or directory) URI?
Definition: fs_uri.c:1357
Notification that this download is no longer actively being pursued (back in the queue).
Notification about progress with this download.
Notification that this download is now actively being pursued (as opposed to waiting in the queue)...
Notification that we completed sharing a file structure.
static struct GNUNET_FS_Handle * fs_handle
Peer&#39;s FS handle.
static struct Pattern * publish_head
Head of the DLL of publish patterns.
static void download_stop_task(void *cls)
Task run when a download operation should be stopped.
Notification that an error was encountered sharing a file structure.
struct GNUNET_FS_ProgressInfo::@25::@26 publish
Values for all "GNUNET_FS_STATUS_PUBLISH_*" events.
static void search_stop_task(void *cls)
Task run when a download operation should be stopped.
uint64_t GNUNET_FS_uri_chk_get_file_size(const struct GNUNET_FS_Uri *uri)
What is the size of the file that this URI refers to?
Definition: fs_uri.c:1371
void * sctx
Secondary execution context for the pattern (FS-handle to the operation).
A Universal Resource Identifier (URI), opaque.
Definition: fs_api.h:165
struct GNUNET_TIME_Relative GNUNET_TIME_absolute_get_duration(struct GNUNET_TIME_Absolute whence)
Get the duration of an operation as the difference of the current time and the given start time "henc...
Definition: time.c:375
#define GNUNET_log(kind,...)
Signals a problem with this search.
We have additional data about the quality or availability of a search result.
#define GNUNET_YES
Definition: gnunet_common.h:77
static struct Pattern * publish_tail
Tail of the DLL of publish patterns.
Notification that this download was stopped (final event with respect to this action).
Notification that this download encountered an error.
#define GNUNET_free(ptr)
Wrapper around free.
static struct Pattern * download_tail
Tail of the DLL of publish patterns.
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◆ start_publish()

static void start_publish ( void *  cls)
static

Start publish operation.

Parameters
clsthe 'struct Pattern' specifying the operation to perform

Definition at line 516 of file gnunet-daemon-fsprofiler.c.

References Pattern::ctx, GNUNET_FS_PUBLISH_OPTION_NONE, GNUNET_FS_publish_start(), GNUNET_TIME_absolute_get(), make_file(), p, Pattern::start_time, Pattern::task, Pattern::x, and Pattern::y.

Referenced by run().

517 {
518  struct Pattern *p = cls;
519  struct GNUNET_FS_FileInformation *fi;
520 
521  p->task = NULL;
522  fi = make_file (p->x, p->y, p);
525  fi,
526  NULL, NULL, NULL,
528 }
static struct GNUNET_FS_FileInformation * make_file(uint64_t length, uint64_t kval, void *ctx)
Create a file of the given length with a deterministic amount of data to be published under keyword &#39;...
void * ctx
Execution context for the pattern (FS-handle to the operation).
struct GNUNET_FS_PublishContext * GNUNET_FS_publish_start(struct GNUNET_FS_Handle *h, struct GNUNET_FS_FileInformation *fi, const struct GNUNET_CRYPTO_EcdsaPrivateKey *ns, const char *nid, const char *nuid, enum GNUNET_FS_PublishOptions options)
Publish a file or directory.
Definition: fs_publish.c:1442
unsigned long long y
Y-value.
Information for a file or directory that is about to be published.
Definition: fs_api.h:226
We use &#39;patterns&#39; of the form (x,y,t) to specify desired download/publish activities of a peer...
static struct GNUNET_OS_Process * p
Helper process we started.
Definition: gnunet-qr.c:59
struct GNUNET_SCHEDULER_Task * task
Task to run the operation.
unsigned long long x
X-value.
struct GNUNET_TIME_Absolute start_time
When did the operation start?
struct GNUNET_TIME_Absolute GNUNET_TIME_absolute_get(void)
Get the current time.
Definition: time.c:118
static struct GNUNET_FS_Handle * fs_handle
Peer&#39;s FS handle.
No options (use defaults for everything).
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◆ start_download()

static void start_download ( void *  cls)
static

Start download operation.

Parameters
clsthe 'struct Pattern' specifying the operation to perform

Definition at line 537 of file gnunet-daemon-fsprofiler.c.

References anonymity_level, GNUNET_FS_SEARCH_OPTION_NONE, GNUNET_FS_search_start(), GNUNET_TIME_absolute_get(), GNUNET_FS_Uri::keywords, make_keywords(), p, Pattern::sctx, Pattern::start_time, Pattern::task, and Pattern::x.

Referenced by run().

538 {
539  struct Pattern *p = cls;
540  struct GNUNET_FS_Uri *keywords;
541 
542  p->task = NULL;
543  keywords = make_keywords (p->x);
545  p->sctx = GNUNET_FS_search_start (fs_handle, keywords,
548  p);
549 }
No options (use defaults for everything).
static struct GNUNET_FS_Uri * make_keywords(uint64_t kval)
Create a KSK URI from a number.
We use &#39;patterns&#39; of the form (x,y,t) to specify desired download/publish activities of a peer...
static unsigned long long anonymity_level
Desired anonymity level.
char ** keywords
Keywords start with a &#39;+&#39; if they are mandatory (in which case the &#39;+&#39; is NOT part of the keyword) an...
Definition: fs_api.h:185
static struct GNUNET_OS_Process * p
Helper process we started.
Definition: gnunet-qr.c:59
struct GNUNET_SCHEDULER_Task * task
Task to run the operation.
struct GNUNET_FS_SearchContext * GNUNET_FS_search_start(struct GNUNET_FS_Handle *h, const struct GNUNET_FS_Uri *uri, uint32_t anonymity, enum GNUNET_FS_SearchOptions options, void *cctx)
Start search for content.
Definition: fs_search.c:1619
unsigned long long x
X-value.
struct GNUNET_TIME_Absolute start_time
When did the operation start?
struct GNUNET_TIME_Absolute GNUNET_TIME_absolute_get(void)
Get the current time.
Definition: time.c:118
static struct GNUNET_FS_Handle * fs_handle
Peer&#39;s FS handle.
void * sctx
Secondary execution context for the pattern (FS-handle to the operation).
A Universal Resource Identifier (URI), opaque.
Definition: fs_api.h:165
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◆ run()

static void run ( void *  cls,
char *const *  args,
const char *  cfgfile,
const struct GNUNET_CONFIGURATION_Handle cfg_ 
)
static

Main function that will be run by the scheduler.

Parameters
clsclosure
argsremaining command-line arguments
cfgfilename of the configuration file used (for saving, can be NULL!)
cfg_configuration

Definition at line 561 of file gnunet-daemon-fsprofiler.c.

References anonymity_level, Pattern::delay, download_pattern, global_ret, GNUNET_CONFIGURATION_get_value_number(), GNUNET_CONFIGURATION_get_value_string(), GNUNET_ERROR_TYPE_ERROR, GNUNET_FS_FLAGS_NONE, GNUNET_FS_OPTIONS_DOWNLOAD_PARALLELISM, GNUNET_FS_OPTIONS_END, GNUNET_FS_OPTIONS_REQUEST_PARALLELISM, GNUNET_FS_start(), GNUNET_log, GNUNET_log_config_missing(), GNUNET_OK, GNUNET_SCHEDULER_add_delayed(), GNUNET_SCHEDULER_add_shutdown(), GNUNET_SCHEDULER_shutdown(), GNUNET_snprintf(), GNUNET_STATISTICS_create(), GNUNET_strdup, GNUNET_SYSERR, my_peerid, Pattern::next, p, parse_pattern(), progress_cb(), publish_pattern, replication_level, shutdown_task(), start_download(), start_publish(), and Pattern::task.

Referenced by main().

564 {
565  char myoptname[128];
566  struct Pattern *p;
567 
568  cfg = cfg_;
569  /* Scheduled the task to clean up when shutdown is called */
571  NULL);
572 
573  if (GNUNET_OK !=
575  "TESTBED", "PEERID",
576  &my_peerid))
577  {
579  "TESTBED", "PEERID");
582  return;
583  }
584  if (GNUNET_OK !=
586  "FSPROFILER", "ANONYMITY_LEVEL",
587  &anonymity_level))
588  anonymity_level = 1;
589  if (GNUNET_OK !=
591  "FSPROFILER", "REPLICATION_LEVEL",
593  replication_level = 1;
594  GNUNET_snprintf (myoptname, sizeof(myoptname),
595  "DOWNLOAD-PATTERN-%u", my_peerid);
596  if (GNUNET_OK !=
598  "FSPROFILER", myoptname,
601  GNUNET_snprintf (myoptname, sizeof(myoptname),
602  "PUBLISH-PATTERN-%u", my_peerid);
603  if (GNUNET_OK !=
605  "FSPROFILER", myoptname,
606  &publish_pattern))
608  if ((GNUNET_OK !=
610  &download_tail,
611  download_pattern)) ||
612  (GNUNET_OK !=
614  &publish_tail,
615  publish_pattern)))
616  {
618  return;
619  }
620 
621  stats_handle = GNUNET_STATISTICS_create ("fsprofiler", cfg);
622  fs_handle =
624  "fsprofiler",
625  &progress_cb, NULL,
630  if (NULL == fs_handle)
631  {
633  "Could not acquire FS handle. Exiting.\n");
636  return;
637  }
638  for (p = publish_head; NULL != p; p = p->next)
640  &start_publish, p);
641  for (p = download_head; NULL != p; p = p->next)
643  &start_download, p);
644 }
static void * progress_cb(void *cls, const struct GNUNET_FS_ProgressInfo *info)
Notification of FS to a client about the progress of an operation.
int GNUNET_CONFIGURATION_get_value_number(const struct GNUNET_CONFIGURATION_Handle *cfg, const char *section, const char *option, unsigned long long *number)
Get a configuration value that should be a number.
int GNUNET_snprintf(char *buf, size_t size, const char *format,...)
Like snprintf, just aborts if the buffer is of insufficient size.
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
struct GNUNET_STATISTICS_Handle * GNUNET_STATISTICS_create(const char *subsystem, const struct GNUNET_CONFIGURATION_Handle *cfg)
Get handle for the statistics service.
static char * download_pattern
String describing which download operations this peer should perform.
struct GNUNET_TIME_Relative delay
With how much delay should this operation be started?
static struct Pattern * download_head
Head of the DLL of publish patterns.
Last option in the VARARG list.
#define GNUNET_OK
Named constants for return values.
Definition: gnunet_common.h:75
static int global_ret
Return value from &#39;main&#39;.
void GNUNET_SCHEDULER_shutdown(void)
Request the shutdown of a scheduler.
Definition: scheduler.c:526
static const struct GNUNET_CONFIGURATION_Handle * cfg
Configuration we use.
#define GNUNET_strdup(a)
Wrapper around GNUNET_xstrdup_.
We use &#39;patterns&#39; of the form (x,y,t) to specify desired download/publish activities of a peer...
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.
static unsigned long long anonymity_level
Desired anonymity level.
struct Pattern * next
Kept in a DLL.
static unsigned long long replication_level
Desired replication level.
static struct GNUNET_STATISTICS_Handle * stats_handle
Handle to the statistics service.
struct GNUNET_SCHEDULER_Task * GNUNET_SCHEDULER_add_delayed(struct GNUNET_TIME_Relative delay, GNUNET_SCHEDULER_TaskCallback task, void *task_cls)
Schedule a new task to be run with a specified delay.
Definition: scheduler.c:1253
static struct GNUNET_OS_Process * p
Helper process we started.
Definition: gnunet-qr.c:59
void GNUNET_log_config_missing(enum GNUNET_ErrorType kind, const char *section, const char *option)
Log error message about missing configuration option.
struct GNUNET_SCHEDULER_Task * task
Task to run the operation.
static unsigned long long my_peerid
Unique number for this peer in the testbed.
int GNUNET_CONFIGURATION_get_value_string(const struct GNUNET_CONFIGURATION_Handle *cfg, const char *section, const char *option, char **value)
Get a configuration value that should be a string.
#define GNUNET_SYSERR
Definition: gnunet_common.h:76
Select the desired amount of parallelism (this option should be followed by an "unsigned int" giving ...
static struct GNUNET_FS_Handle * fs_handle
Peer&#39;s FS handle.
Maximum number of requests that should be pending at a given point in time (invidivual downloads may ...
static struct Pattern * publish_head
Head of the DLL of publish patterns.
static int parse_pattern(struct Pattern **head, struct Pattern **tail, const char *pattern)
Parse a pattern string and store the corresponding &#39;struct Pattern&#39; in the given head/tail.
static void start_download(void *cls)
Start download operation.
#define GNUNET_log(kind,...)
static struct Pattern * publish_tail
Tail of the DLL of publish patterns.
static char * publish_pattern
String describing which publishing operations this peer should perform.
static void start_publish(void *cls)
Start publish operation.
static void shutdown_task(void *cls)
Task run during shutdown.
static struct Pattern * download_tail
Tail of the DLL of publish patterns.
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◆ main()

int main ( int  argc,
char *const *  argv 
)

Program that performs various "random" FS activities.

Parameters
argcnumber of arguments from the command line
argvcommand line arguments
Returns
0 ok, 1 on error

Definition at line 655 of file gnunet-daemon-fsprofiler.c.

References gettext_noop, global_ret, GNUNET_GETOPT_OPTION_END, GNUNET_OK, GNUNET_PROGRAM_run(), GNUNET_STRINGS_get_utf8_args(), and run().

656 {
657  static const struct GNUNET_GETOPT_CommandLineOption options[] = {
659  };
660 
661  if (GNUNET_OK != GNUNET_STRINGS_get_utf8_args (argc, argv, &argc, &argv))
662  return 2;
663  return (GNUNET_OK ==
664  GNUNET_PROGRAM_run (argc, argv, "gnunet-daemon-fsprofiler",
666  (
667  "Daemon to use file-sharing to measure its performance."),
668  options, &run, NULL)) ? global_ret : 1;
669 }
struct GNUNET_GETOPT_CommandLineOption options[]
Definition: 002.c:5
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
#define GNUNET_OK
Named constants for return values.
Definition: gnunet_common.h:75
Definition of a command line option.
static int global_ret
Return value from &#39;main&#39;.
struct GNUNET_GETOPT_CommandLineOption GNUNET_GETOPT_OPTION_END
Definition: 002.c:13
static void run(void *cls, char *const *args, const char *cfgfile, const struct GNUNET_CONFIGURATION_Handle *cfg_)
Main function that will be run by the scheduler.
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 gettext_noop(String)
Definition: gettext.h:69
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Variable Documentation

◆ global_ret

int global_ret
static

Return value from 'main'.

Definition at line 94 of file gnunet-daemon-fsprofiler.c.

Referenced by main(), and run().

◆ cfg

const struct GNUNET_CONFIGURATION_Handle* cfg
static

Configuration we use.

Definition at line 99 of file gnunet-daemon-fsprofiler.c.

◆ stats_handle

struct GNUNET_STATISTICS_Handle* stats_handle
static

Handle to the statistics service.

Definition at line 104 of file gnunet-daemon-fsprofiler.c.

◆ fs_handle

struct GNUNET_FS_Handle* fs_handle
static

Peer's FS handle.

Definition at line 109 of file gnunet-daemon-fsprofiler.c.

◆ my_peerid

unsigned long long my_peerid
static

Unique number for this peer in the testbed.

Definition at line 114 of file gnunet-daemon-fsprofiler.c.

Referenced by run().

◆ anonymity_level

unsigned long long anonymity_level
static

Desired anonymity level.

Definition at line 119 of file gnunet-daemon-fsprofiler.c.

Referenced by make_file(), progress_cb(), run(), and start_download().

◆ replication_level

unsigned long long replication_level
static

Desired replication level.

Definition at line 124 of file gnunet-daemon-fsprofiler.c.

Referenced by make_file(), and run().

◆ publish_pattern

char* publish_pattern
static

String describing which publishing operations this peer should perform.

The format is "(SIZE,SEED,TIME)*", for example: "(1,5,0)(7,3,13)" means to publish a file with 1 byte and seed/keyword 5 immediately and another file with 7 bytes and seed/keyword 3 after 13 ms.

Definition at line 133 of file gnunet-daemon-fsprofiler.c.

Referenced by run().

◆ publish_head

struct Pattern* publish_head
static

Head of the DLL of publish patterns.

Definition at line 138 of file gnunet-daemon-fsprofiler.c.

◆ publish_tail

struct Pattern* publish_tail
static

Tail of the DLL of publish patterns.

Definition at line 143 of file gnunet-daemon-fsprofiler.c.

◆ download_pattern

char* download_pattern
static

String describing which download operations this peer should perform.

The format is "(KEYWORD,SIZE,DELAY)*"; for example, "(1,7,3)(3,8,8)" means to download one file of 7 bytes under keyword "1" starting the search after 3 ms; and another one of 8 bytes under keyword '3' starting after 8 ms. The file size is used to determine which search result(s) should be used or ignored.

Definition at line 153 of file gnunet-daemon-fsprofiler.c.

Referenced by run().

◆ download_head

struct Pattern* download_head
static

Head of the DLL of publish patterns.

Definition at line 158 of file gnunet-daemon-fsprofiler.c.

◆ download_tail

struct Pattern* download_tail
static

Tail of the DLL of publish patterns.

Definition at line 163 of file gnunet-daemon-fsprofiler.c.