GNUnet  0.10.x
Data Structures | Functions | Variables
gnunet-statistics.c File Reference

tool to obtain statistics More...

#include "platform.h"
#include "gnunet_util_lib.h"
#include "gnunet_statistics_service.h"
#include "statistics.h"
Include dependency graph for gnunet-statistics.c:

Go to the source code of this file.

Data Structures

struct  Node
 Representation of all (testbed) nodes. More...
 
struct  ValueSet
 Set of values for a combination of subsystem and name. More...
 

Functions

static struct ValueSetnew_value_set (const char *subsystem, const char *name, unsigned num_values, int is_persistent)
 Create a new ValueSet. More...
 
static int printer (void *cls, const struct GNUNET_HashCode *key, void *value)
 Print the (collected) values. More...
 
static int printer_watch (void *cls, const char *subsystem, const char *name, uint64_t value, int is_persistent)
 Callback function to process statistic values. More...
 
static void clean_node (void *cls)
 Clean all data structures related to given node. More...
 
static void print_finish (void *cls)
 Print and shutdown. More...
 
static void continuation_print (void *cls, int success)
 Called once all statistic values are available. More...
 
static void cleanup (void *cls, int success)
 Function called last by the statistics code. More...
 
static int collector (void *cls, const char *subsystem, const char *name, uint64_t value, int is_persistent)
 Iterate over statistics values and store them in values. More...
 
static void main_task (void *cls)
 Main task that does the actual work. More...
 
static int iter_check_config (void *cls, const char *filename)
 Iter over content of a node's directory to check for existence of a config file. More...
 
static int iter_testbed_path (void *cls, const char *filename)
 Iterates over filenames in testbed directory. More...
 
static int discover_testbed_nodes (const char *path_testbed)
 Count the number of nodes running in the testbed. 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)
 The main function to obtain statistics in GNUnet. More...
 

Variables

static int ret
 Final status code. More...
 
static char * subsystem
 Set to subsystem that we're going to get stats for (or NULL for all). More...
 
static char * path_testbed
 The path of the testbed data. More...
 
static char * name
 Set to the specific stat value that we are after (or NULL for all). More...
 
static int persistent
 Make the value that is being set persistent. More...
 
static int watch
 Watch value continuously. More...
 
static int quiet
 Quiet mode. More...
 
static char * csv_separator
 Separator string for csv. More...
 
static char * remote_host
 Remote host. More...
 
static unsigned long long remote_port
 Remote host's port. More...
 
static unsigned long long set_val
 Value to set. More...
 
static int set_value
 Set operation. More...
 
static struct Nodenodes
 
static unsigned num_nodes
 Number of configurations of all (testbed) nodes. More...
 
static struct GNUNET_CONTAINER_MultiHashMapvalues
 Collection of all values (represented with ValueSet). More...
 
static int num_nodes_ready
 Number of nodes that have their values ready. More...
 
static int num_nodes_ready_shutdown
 Number of nodes that have their values ready. More...
 

Detailed Description

tool to obtain statistics

Author
Christian Grothoff
Igor Wronsky

Definition in file gnunet-statistics.c.

Function Documentation

◆ new_value_set()

static struct ValueSet* new_value_set ( const char *  subsystem,
const char *  name,
unsigned  num_values,
int  is_persistent 
)
static

Create a new ValueSet.

Parameters
subsystemSubsystem of the valueset.
nameName of the valueset.
num_valuesNumber of values in valueset - number of peers.
is_persistentPersistence status of values.
Returns
Newly allocated ValueSet.

Definition at line 178 of file gnunet-statistics.c.

References GNUNET_new, GNUNET_new_array, GNUNET_strdup, ValueSet::is_persistent, ValueSet::name, persistent, ValueSet::subsystem, and ValueSet::values.

Referenced by collector().

182 {
183  struct ValueSet *value_set;
184 
185  value_set = GNUNET_new(struct ValueSet);
186  value_set->subsystem = GNUNET_strdup(subsystem);
187  value_set->name = GNUNET_strdup(name);
188  value_set->values = GNUNET_new_array(num_values, uint64_t);
189  value_set->is_persistent = persistent;
190  return value_set;
191 }
char * subsystem
Subsystem of the valueset.
static char * subsystem
Set to subsystem that we're going to get stats for (or NULL for all).
Set of values for a combination of subsystem and name.
int is_persistent
Persistence of the values.
#define GNUNET_new(type)
Allocate a struct or union of the given type.
static unsigned int num_values
#define GNUNET_strdup(a)
Wrapper around GNUNET_xstrdup_.
uint64_t * values
The values.
static char * name
Set to the specific stat value that we are after (or NULL for all).
#define GNUNET_new_array(n, type)
Allocate a size n array with structs or unions of the given type.
static int persistent
Make the value that is being set persistent.
char * name
Name of the valueset.
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◆ printer()

static int printer ( void *  cls,
const struct GNUNET_HashCode key,
void *  value 
)
static

Print the (collected) values.

Implements #GNUNET_CONTAINER_HashMapIterator.

Parameters
clsClosure - unused
keyGNUNET_HashCode key of GNUNET_CONTAINER_MultiHashMap iterator - unused
valueValues represented as ValueSet.
Returns
GNUNET_YES - continue iteration.

Definition at line 206 of file gnunet-statistics.c.

References _, csv_separator, GNUNET_free, GNUNET_NO, GNUNET_STRINGS_absolute_time_to_string(), GNUNET_TIME_absolute_get(), GNUNET_YES, ValueSet::is_persistent, ValueSet::name, num_nodes, quiet, ValueSet::subsystem, value, ValueSet::values, and watch.

Referenced by print_finish().

207 {
209  const char *now_str;
210  struct ValueSet *value_set = value;
211 
212  if (quiet == GNUNET_NO)
213  {
214  if (GNUNET_YES == watch)
215  {
217  fprintf(stdout,
218  "%24s%s %s%s%12s%s %s%50s%s%s ",
219  now_str,
221  value_set->is_persistent ? "!" : " ",
223  value_set->subsystem,
225  (0 == strlen(csv_separator) ? "" : "\""), /* quotes if csv */
226  _(value_set->name),
227  (0 == strlen(csv_separator) ? "" : "\""), /* quotes if csv */
228  (0 == strlen(csv_separator) ? ":" : csv_separator));
229  }
230  else
231  {
232  fprintf(stdout,
233  "%s%s%12s%s %s%50s%s%s ",
234  value_set->is_persistent ? "!" : " ",
236  value_set->subsystem,
238  (0 == strlen(csv_separator) ? "" : "\""), /* quotes if csv */
239  _(value_set->name),
240  (0 == strlen(csv_separator) ? "" : "\""), /* quotes if csv */
241  (0 == strlen(csv_separator) ? ":" : csv_separator));
242  }
243  }
244  for (unsigned i = 0; i < num_nodes; i++)
245  {
246  fprintf(stdout,
247  "%16llu%s",
248  (unsigned long long)value_set->values[i],
249  csv_separator);
250  }
251  fprintf(stdout, "\n");
252  GNUNET_free(value_set->subsystem);
253  GNUNET_free(value_set->name);
254  GNUNET_free(value_set->values);
255  GNUNET_free(value_set);
256  return GNUNET_YES;
257 }
char * subsystem
Subsystem of the valueset.
Set of values for a combination of subsystem and name.
static char * csv_separator
Separator string for csv.
int is_persistent
Persistence of the values.
#define GNUNET_NO
Definition: gnunet_common.h:78
uint64_t * values
The values.
#define _(String)
GNU gettext support macro.
Definition: platform.h:181
static char * value
Value of the record to add/remove.
struct GNUNET_TIME_Absolute GNUNET_TIME_absolute_get(void)
Get the current time.
Definition: time.c:118
static unsigned num_nodes
Number of configurations of all (testbed) nodes.
static int watch
Watch value continuously.
Time for absolute times used by GNUnet, in microseconds.
#define GNUNET_YES
Definition: gnunet_common.h:77
static int quiet
Quiet mode.
const char * GNUNET_STRINGS_absolute_time_to_string(struct GNUNET_TIME_Absolute t)
Like asctime, except for GNUnet time.
Definition: strings.c:741
char * name
Name of the valueset.
#define GNUNET_free(ptr)
Wrapper around free.
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◆ printer_watch()

static int printer_watch ( void *  cls,
const char *  subsystem,
const char *  name,
uint64_t  value,
int  is_persistent 
)
static

Callback function to process statistic values.

Parameters
clsclosure
subsystemname of subsystem that created the statistic
namethe name of the datum
valuethe current value
is_persistentGNUNET_YES if the value is persistent, GNUNET_NO if not
Returns
GNUNET_OK to continue, GNUNET_SYSERR to abort iteration

Definition at line 270 of file gnunet-statistics.c.

References _, csv_separator, GNUNET_NO, GNUNET_OK, GNUNET_STRINGS_absolute_time_to_string(), GNUNET_TIME_absolute_get(), GNUNET_YES, quiet, and watch.

Referenced by clean_node(), and main_task().

275 {
277  const char *now_str;
278 
279  if (quiet == GNUNET_NO)
280  {
281  if (GNUNET_YES == watch)
282  {
284  fprintf(stdout,
285  "%24s%s %s%s%12s%s %s%50s%s%s %16llu\n",
286  now_str,
288  is_persistent ? "!" : " ",
290  subsystem,
292  (0 == strlen(csv_separator) ? "" : "\""), /* quotes if csv */
293  _(name),
294  (0 == strlen(csv_separator) ? "" : "\""), /* quotes if csv */
295  (0 == strlen(csv_separator) ? ":" : csv_separator),
296  (unsigned long long)value);
297  }
298  else
299  {
300  fprintf(stdout,
301  "%s%s%12s%s %s%50s%s%s %16llu\n",
302  is_persistent ? "!" : " ",
304  subsystem,
306  (0 == strlen(csv_separator) ? "" : "\""), /* quotes if csv */
307  _(name),
308  (0 == strlen(csv_separator) ? "" : "\""), /* quotes if csv */
309  (0 == strlen(csv_separator) ? ":" : csv_separator),
310  (unsigned long long)value);
311  }
312  }
313  else
314  fprintf(stdout, "%llu\n", (unsigned long long)value);
315 
316  return GNUNET_OK;
317 }
static char * subsystem
Set to subsystem that we&#39;re going to get stats for (or NULL for all).
static char * csv_separator
Separator string for csv.
#define GNUNET_NO
Definition: gnunet_common.h:78
#define GNUNET_OK
Named constants for return values.
Definition: gnunet_common.h:75
static char * name
Set to the specific stat value that we are after (or NULL for all).
#define _(String)
GNU gettext support macro.
Definition: platform.h:181
static char * value
Value of the record to add/remove.
struct GNUNET_TIME_Absolute GNUNET_TIME_absolute_get(void)
Get the current time.
Definition: time.c:118
static int watch
Watch value continuously.
Time for absolute times used by GNUnet, in microseconds.
#define GNUNET_YES
Definition: gnunet_common.h:77
static int quiet
Quiet mode.
const char * GNUNET_STRINGS_absolute_time_to_string(struct GNUNET_TIME_Absolute t)
Like asctime, except for GNUnet time.
Definition: strings.c:741
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◆ clean_node()

static void clean_node ( void *  cls)
static

Clean all data structures related to given node.

Also clears global structures if we are the last node to clean.

Parameters
clsthe index of the node

Definition at line 327 of file gnunet-statistics.c.

References Node::conf, Node::gh, GNUNET_array_grow, GNUNET_assert, GNUNET_CONFIGURATION_destroy(), GNUNET_CONTAINER_multihashmap_destroy(), GNUNET_NO, GNUNET_OK, GNUNET_STATISTICS_destroy(), GNUNET_STATISTICS_get_cancel(), GNUNET_STATISTICS_watch_cancel(), GNUNET_YES, h, Node::handle, Node::index_node, name, nodes, num_nodes, num_nodes_ready_shutdown, path_testbed, printer_watch(), subsystem, and watch.

Referenced by continuation_print(), and main_task().

328 {
329  const unsigned index_node = *(unsigned *)cls;
330  struct GNUNET_STATISTICS_Handle *h;
332 
333  if ((NULL != path_testbed) && /* were issued with -t <testbed-path> option */
334  (NULL != nodes[index_node].conf))
335  {
336  GNUNET_CONFIGURATION_destroy(nodes[index_node].conf);
337  nodes[index_node].conf = NULL;
338  }
339 
340  h = nodes[index_node].handle;
341  gh = nodes[index_node].gh;
342 
343  if (NULL != gh)
344  {
346  gh = NULL;
347  }
348  if (GNUNET_YES == watch)
349  {
351  GNUNET_OK ==
353  subsystem,
354  name,
355  &printer_watch,
356  &nodes[index_node].index_node));
357  }
358 
359  if (NULL != h)
360  {
362  h = NULL;
363  }
364 
367  {
370  }
371 }
static char * subsystem
Set to subsystem that we&#39;re going to get stats for (or NULL for all).
static struct GNUNET_CONTAINER_MultiHashMap * values
Collection of all values (represented with ValueSet).
#define GNUNET_assert(cond)
Use this for fatal errors that cannot be handled.
void GNUNET_STATISTICS_get_cancel(struct GNUNET_STATISTICS_GetHandle *gh)
Cancel a GNUNET_STATISTICS_get request.
struct GNUNET_STATISTICS_GetHandle * gh
Handle for pending GET operation.
Linked list of things we still need to do.
#define GNUNET_NO
Definition: gnunet_common.h:78
#define GNUNET_OK
Named constants for return values.
Definition: gnunet_common.h:75
static char * path_testbed
The path of the testbed data.
void GNUNET_STATISTICS_destroy(struct GNUNET_STATISTICS_Handle *h, int sync_first)
Destroy a handle (free all state associated with it).
Handle for the service.
static struct GNUNET_ARM_Handle * h
Connection with ARM.
Definition: gnunet-arm.c:94
static char * name
Set to the specific stat value that we are after (or NULL for all).
#define GNUNET_array_grow(arr, size, tsize)
Grow a well-typed (!) array.
void GNUNET_CONTAINER_multihashmap_destroy(struct GNUNET_CONTAINER_MultiHashMap *map)
Destroy a hash map.
void GNUNET_CONFIGURATION_destroy(struct GNUNET_CONFIGURATION_Handle *cfg)
Destroy configuration object.
struct GNUNET_CONFIGURATION_Handle * conf
Configuration handle for this node.
static unsigned num_nodes
Number of configurations of all (testbed) nodes.
static int watch
Watch value continuously.
static struct Node * nodes
int GNUNET_STATISTICS_watch_cancel(struct GNUNET_STATISTICS_Handle *handle, const char *subsystem, const char *name, GNUNET_STATISTICS_Iterator proc, void *proc_cls)
Stop watching statistics from the peer.
static struct GNUNET_TRANSPORT_HelloGetHandle * gh
Pending GNUNET_TRANSPORT_hello_get() operation.
static int num_nodes_ready_shutdown
Number of nodes that have their values ready.
#define GNUNET_YES
Definition: gnunet_common.h:77
struct GNUNET_STATISTICS_Handle * handle
Statistics handle nodes.
static int printer_watch(void *cls, const char *subsystem, const char *name, uint64_t value, int is_persistent)
Callback function to process statistic values.
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◆ print_finish()

static void print_finish ( void *  cls)
static

Print and shutdown.

Parameters
clsunused

Definition at line 379 of file gnunet-statistics.c.

References GNUNET_CONTAINER_multihashmap_iterate(), GNUNET_SCHEDULER_shutdown(), and printer().

Referenced by continuation_print().

380 {
383 }
static struct GNUNET_CONTAINER_MultiHashMap * values
Collection of all values (represented with ValueSet).
void GNUNET_SCHEDULER_shutdown(void)
Request the shutdown of a scheduler.
Definition: scheduler.c:517
static int printer(void *cls, const struct GNUNET_HashCode *key, void *value)
Print the (collected) values.
int GNUNET_CONTAINER_multihashmap_iterate(struct GNUNET_CONTAINER_MultiHashMap *map, GNUNET_CONTAINER_MulitHashMapIteratorCallback it, void *it_cls)
Iterate over all entries in the map.
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◆ continuation_print()

static void continuation_print ( void *  cls,
int  success 
)
static

Called once all statistic values are available.

Implements GNUNET_STATISTICS_Callback

Parameters
clsClosure - The index of the node.
succesWhether statistics were obtained successfully.

Definition at line 394 of file gnunet-statistics.c.

References _, clean_node(), Node::gh, GNUNET_OK, GNUNET_SCHEDULER_add_now(), GNUNET_SCHEDULER_cancel(), Node::index_node, nodes, num_nodes, num_nodes_ready, print_finish(), remote_host, remote_port, ret, and Node::shutdown_task.

Referenced by main_task().

395 {
396  const unsigned index_node = *(unsigned *)cls;
397 
398  nodes[index_node].gh = NULL;
399  if (GNUNET_OK != success)
400  {
401  if (NULL == remote_host)
402  fprintf(stderr, "%s", _("Failed to obtain statistics.\n"));
403  else
404  fprintf(stderr,
405  _("Failed to obtain statistics from host `%s:%llu'\n"),
406  remote_host,
407  remote_port);
408  ret = 1;
409  }
410  if (NULL != nodes[index_node].shutdown_task)
411  {
412  GNUNET_SCHEDULER_cancel(nodes[index_node].shutdown_task);
413  nodes[index_node].shutdown_task = NULL;
414  }
415  GNUNET_SCHEDULER_add_now(clean_node, &nodes[index_node].index_node);
416  num_nodes_ready++;
417  if (num_nodes_ready == num_nodes)
418  {
420  }
421 }
static char * remote_host
Remote host.
static unsigned long long remote_port
Remote host&#39;s port.
struct GNUNET_STATISTICS_GetHandle * gh
Handle for pending GET operation.
#define GNUNET_OK
Named constants for return values.
Definition: gnunet_common.h:75
static void print_finish(void *cls)
Print and shutdown.
static int ret
Final status code.
#define _(String)
GNU gettext support macro.
Definition: platform.h:181
static struct GNUNET_SCHEDULER_Task * shutdown_task
Shutdown task.
Definition: gnunet-ats.c:141
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:1264
static unsigned num_nodes
Number of configurations of all (testbed) nodes.
static struct Node * nodes
struct GNUNET_SCHEDULER_Task * shutdown_task
Identifier for shutdown task for this node.
void * cls
Closure for proc and cont.
static int num_nodes_ready
Number of nodes that have their values ready.
static void clean_node(void *cls)
Clean all data structures related to given node.
void * GNUNET_SCHEDULER_cancel(struct GNUNET_SCHEDULER_Task *task)
Cancel the task with the specified identifier.
Definition: scheduler.c:956
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◆ cleanup()

static void cleanup ( void *  cls,
int  success 
)
static

Function called last by the statistics code.

Parameters
clsclosure
successGNUNET_OK if statistics were successfully obtained, GNUNET_SYSERR if not.

Definition at line 431 of file gnunet-statistics.c.

References _, Node::gh, GNUNET_OK, GNUNET_SCHEDULER_shutdown(), nodes, num_nodes, remote_host, remote_port, and ret.

Referenced by main_task().

432 {
433  for (unsigned i = 0; i < num_nodes; i++)
434  {
435  nodes[i].gh = NULL;
436  }
437  if (GNUNET_OK != success)
438  {
439  if (NULL == remote_host)
440  fprintf(stderr, "%s", _("Failed to obtain statistics.\n"));
441  else
442  fprintf(stderr,
443  _("Failed to obtain statistics from host `%s:%llu'\n"),
444  remote_host,
445  remote_port);
446  ret = 1;
447  }
449 }
static char * remote_host
Remote host.
static unsigned long long remote_port
Remote host&#39;s port.
struct GNUNET_STATISTICS_GetHandle * gh
Handle for pending GET operation.
#define GNUNET_OK
Named constants for return values.
Definition: gnunet_common.h:75
void GNUNET_SCHEDULER_shutdown(void)
Request the shutdown of a scheduler.
Definition: scheduler.c:517
static int ret
Final status code.
#define _(String)
GNU gettext support macro.
Definition: platform.h:181
static unsigned num_nodes
Number of configurations of all (testbed) nodes.
static struct Node * nodes
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◆ collector()

static int collector ( void *  cls,
const char *  subsystem,
const char *  name,
uint64_t  value,
int  is_persistent 
)
static

Iterate over statistics values and store them in values.

They will be printed once all are available.

Parameters
clsCosure - Node index.
subsystemSubsystem of the value.
nameName of the value.
valueValue itself.
is_persistentPersistence.
Returns
GNUNET_OK - continue.

Definition at line 464 of file gnunet-statistics.c.

References GNUNET_assert, GNUNET_CONTAINER_multihashmap_contains(), GNUNET_CONTAINER_multihashmap_get(), GNUNET_CONTAINER_multihashmap_put(), GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_ONLY, GNUNET_CRYPTO_hash(), GNUNET_free, GNUNET_malloc, GNUNET_OK, GNUNET_YES, Node::index_node, key, new_value_set(), num_nodes, value, and ValueSet::values.

Referenced by main_task().

469 {
470  const unsigned index_node = *(unsigned *)cls;
471  struct GNUNET_HashCode *key;
472  struct GNUNET_HashCode hc;
473  char *subsys_name;
474  unsigned len_subsys_name;
475  struct ValueSet *value_set;
476 
477  len_subsys_name = strlen(subsystem) + 3 + strlen(name) + 1;
478  subsys_name = GNUNET_malloc(len_subsys_name);
479  sprintf(subsys_name, "%s---%s", subsystem, name);
480  key = &hc;
481  GNUNET_CRYPTO_hash(subsys_name, len_subsys_name, key);
482  GNUNET_free(subsys_name);
484  {
485  value_set = GNUNET_CONTAINER_multihashmap_get(values, key);
486  }
487  else
488  {
490  }
491  value_set->values[index_node] = value;
494  values,
495  key,
496  value_set,
498  return GNUNET_OK;
499 }
static char * subsystem
Set to subsystem that we&#39;re going to get stats for (or NULL for all).
Set of values for a combination of subsystem and name.
static struct GNUNET_CONTAINER_MultiHashMap * values
Collection of all values (represented with ValueSet).
#define GNUNET_assert(cond)
Use this for fatal errors that cannot be handled.
int is_persistent
Persistence of the values.
#define GNUNET_OK
Named constants for return values.
Definition: gnunet_common.h:75
int GNUNET_CONTAINER_multihashmap_contains(const struct GNUNET_CONTAINER_MultiHashMap *map, const struct GNUNET_HashCode *key)
Check if the map contains any value under the given key (including values that are NULL)...
uint64_t * values
The values.
static char * name
Set to the specific stat value that we are after (or NULL for all).
void * GNUNET_CONTAINER_multihashmap_get(const struct GNUNET_CONTAINER_MultiHashMap *map, const struct GNUNET_HashCode *key)
Given a key find a value in the map matching the key.
static char * value
Value of the record to add/remove.
void GNUNET_CRYPTO_hash(const void *block, size_t size, struct GNUNET_HashCode *ret)
Compute hash of a given block.
Definition: crypto_hash.c:44
A 512-bit hashcode.
There must only be one value per key; storing a value should fail if a value under the same key alrea...
static unsigned num_nodes
Number of configurations of all (testbed) nodes.
struct GNUNET_HashCode key
The key used in the DHT.
int GNUNET_CONTAINER_multihashmap_put(struct GNUNET_CONTAINER_MultiHashMap *map, const struct GNUNET_HashCode *key, void *value, enum GNUNET_CONTAINER_MultiHashMapOption opt)
Store a key-value pair in the map.
static struct ValueSet * new_value_set(const char *subsystem, const char *name, unsigned num_values, int is_persistent)
Create a new ValueSet.
void * cls
Closure for proc and cont.
#define GNUNET_YES
Definition: gnunet_common.h:77
#define GNUNET_malloc(size)
Wrapper around malloc.
#define GNUNET_free(ptr)
Wrapper around free.
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◆ main_task()

static void main_task ( void *  cls)
static

Main task that does the actual work.

Parameters
clsclosure with our configuration

Definition at line 507 of file gnunet-statistics.c.

References _, cfg, clean_node(), cleanup(), collector(), Node::conf, continuation_print(), Node::gh, GNUNET_NO, GNUNET_OK, GNUNET_SCHEDULER_add_now(), GNUNET_SCHEDULER_add_shutdown(), GNUNET_STATISTICS_create(), GNUNET_STATISTICS_destroy(), GNUNET_STATISTICS_get(), GNUNET_STATISTICS_set(), GNUNET_STATISTICS_watch(), GNUNET_SYSERR, GNUNET_YES, Node::handle, Node::index_node, name, nodes, persistent, printer_watch(), ret, set_val, set_value, Node::shutdown_task, subsystem, and watch.

Referenced by run().

508 {
509  unsigned index_node = *(unsigned *)cls;
510  const struct GNUNET_CONFIGURATION_Handle *cfg = nodes[index_node].conf;
511 
512  if (set_value)
513  {
514  if (NULL == subsystem)
515  {
516  fprintf(stderr, "%s", _("Missing argument: subsystem \n"));
517  ret = 1;
518  return;
519  }
520  if (NULL == name)
521  {
522  fprintf(stderr, "%s", _("Missing argument: name\n"));
523  ret = 1;
524  return;
525  }
526  nodes[index_node].handle = GNUNET_STATISTICS_create(subsystem, cfg);
527  if (NULL == nodes[index_node].handle)
528  {
529  ret = 1;
530  return;
531  }
532  GNUNET_STATISTICS_set(nodes[index_node].handle,
533  name,
534  (uint64_t)set_val,
535  persistent);
536  GNUNET_STATISTICS_destroy(nodes[index_node].handle, GNUNET_YES);
537  nodes[index_node].handle = NULL;
538  return;
539  }
540  if (NULL == (nodes[index_node].handle =
541  GNUNET_STATISTICS_create("gnunet-statistics", cfg)))
542  {
543  ret = 1;
544  return;
545  }
546  if (GNUNET_NO == watch)
547  {
548  if (NULL == (nodes[index_node].gh =
549  GNUNET_STATISTICS_get(nodes[index_node].handle,
550  subsystem,
551  name,
553  &collector,
554  &nodes[index_node].index_node)))
555  cleanup(nodes[index_node].handle, GNUNET_SYSERR);
556  }
557  else
558  {
559  if ((NULL == subsystem) || (NULL == name))
560  {
561  printf(_("No subsystem or name given\n"));
562  GNUNET_STATISTICS_destroy(nodes[index_node].handle, GNUNET_NO);
563  nodes[index_node].handle = NULL;
564  ret = 1;
565  return;
566  }
567  if (GNUNET_OK != GNUNET_STATISTICS_watch(nodes[index_node].handle,
568  subsystem,
569  name,
570  &printer_watch,
571  &nodes[index_node].index_node))
572  {
573  fprintf(stderr, _("Failed to initialize watch routine\n"));
574  nodes[index_node].shutdown_task =
575  GNUNET_SCHEDULER_add_now(&clean_node, &nodes[index_node].index_node);
576  return;
577  }
578  }
579  nodes[index_node].shutdown_task =
580  GNUNET_SCHEDULER_add_shutdown(&clean_node, &nodes[index_node].index_node);
581 }
static char * subsystem
Set to subsystem that we&#39;re going to get stats for (or NULL for all).
static int collector(void *cls, const char *subsystem, const char *name, uint64_t value, int is_persistent)
Iterate over statistics values and store them in values.
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:1284
struct GNUNET_STATISTICS_Handle * GNUNET_STATISTICS_create(const char *subsystem, const struct GNUNET_CONFIGURATION_Handle *cfg)
Get handle for the statistics service.
#define GNUNET_NO
Definition: gnunet_common.h:78
static unsigned long long set_val
Value to set.
#define GNUNET_OK
Named constants for return values.
Definition: gnunet_common.h:75
void GNUNET_STATISTICS_destroy(struct GNUNET_STATISTICS_Handle *h, int sync_first)
Destroy a handle (free all state associated with it).
static char * name
Set to the specific stat value that we are after (or NULL for all).
static int ret
Final status code.
#define _(String)
GNU gettext support macro.
Definition: platform.h:181
static void continuation_print(void *cls, int success)
Called once all statistic values are available.
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:1264
struct GNUNET_CONFIGURATION_Handle * conf
Configuration handle for this node.
static struct GNUNET_DNS_Handle * handle
Handle to transport service.
void GNUNET_STATISTICS_set(struct GNUNET_STATISTICS_Handle *handle, const char *name, uint64_t value, int make_persistent)
Set statistic value for the peer.
static struct GNUNET_CONFIGURATION_Handle * cfg
Our configuration.
Definition: gnunet-arm.c:104
static int watch
Watch value continuously.
#define GNUNET_SYSERR
Definition: gnunet_common.h:76
static struct Node * nodes
static void cleanup(void *cls, int success)
Function called last by the statistics code.
static int set_value
Set operation.
static int persistent
Make the value that is being set persistent.
struct GNUNET_SCHEDULER_Task * shutdown_task
Identifier for shutdown task for this node.
struct GNUNET_STATISTICS_GetHandle * GNUNET_STATISTICS_get(struct GNUNET_STATISTICS_Handle *handle, const char *subsystem, const char *name, GNUNET_STATISTICS_Callback cont, GNUNET_STATISTICS_Iterator proc, void *cls)
Get statistic from the peer.
configuration data
Definition: configuration.c:83
int GNUNET_STATISTICS_watch(struct GNUNET_STATISTICS_Handle *handle, const char *subsystem, const char *name, GNUNET_STATISTICS_Iterator proc, void *proc_cls)
Watch statistics from the peer (be notified whenever they change).
static struct GNUNET_TRANSPORT_HelloGetHandle * gh
Pending GNUNET_TRANSPORT_hello_get() operation.
static void clean_node(void *cls)
Clean all data structures related to given node.
#define GNUNET_YES
Definition: gnunet_common.h:77
struct GNUNET_STATISTICS_Handle * handle
Statistics handle nodes.
static int printer_watch(void *cls, const char *subsystem, const char *name, uint64_t value, int is_persistent)
Callback function to process statistic values.
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◆ iter_check_config()

static int iter_check_config ( void *  cls,
const char *  filename 
)
static

Iter over content of a node's directory to check for existence of a config file.

Implements GNUNET_FileNameCallback

Parameters
clspointer to indicate success
filenamefilename inside the directory of the potential node
Returns
to continue iteration or not to

Definition at line 595 of file gnunet-statistics.c.

References Node::conf, GNUNET_array_grow, GNUNET_CONFIGURATION_create(), GNUNET_CONFIGURATION_load(), GNUNET_NO, GNUNET_OK, GNUNET_STRINGS_get_short_name(), GNUNET_SYSERR, Node::index_node, nodes, and num_nodes.

Referenced by iter_testbed_path().

596 {
597  if (0 == strncmp(GNUNET_STRINGS_get_short_name(filename), "config", 6))
598  {
599  /* Found the config - stop iteration successfully */
602  nodes[num_nodes - 1].index_node = num_nodes - 1;
603  if (GNUNET_OK !=
605  {
606  fprintf(stderr, "Failed loading config `%s'\n", filename);
607  return GNUNET_SYSERR;
608  }
609  return GNUNET_NO;
610  }
611  else
612  {
613  /* Continue iteration */
614  return GNUNET_OK;
615  }
616 }
#define GNUNET_NO
Definition: gnunet_common.h:78
#define GNUNET_OK
Named constants for return values.
Definition: gnunet_common.h:75
struct GNUNET_CONFIGURATION_Handle * GNUNET_CONFIGURATION_create(void)
Create a new configuration object.
int GNUNET_CONFIGURATION_load(struct GNUNET_CONFIGURATION_Handle *cfg, const char *filename)
Load configuration.
#define GNUNET_array_grow(arr, size, tsize)
Grow a well-typed (!) array.
static char * filename
struct GNUNET_CONFIGURATION_Handle * conf
Configuration handle for this node.
const char * GNUNET_STRINGS_get_short_name(const char *filename)
"man basename" Returns a pointer to a part of filename (allocates nothing)!
Definition: strings.c:776
static unsigned num_nodes
Number of configurations of all (testbed) nodes.
#define GNUNET_SYSERR
Definition: gnunet_common.h:76
static struct Node * nodes
unsigned index_node
Index of the node in this array.
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◆ iter_testbed_path()

static int iter_testbed_path ( void *  cls,
const char *  filename 
)
static

Iterates over filenames in testbed directory.

Implements GNUNET_FileNameCallback

Checks if the file is a directory for a testbed node and counts the nodes.

Parameters
clscounter of nodes
filenamefull path of the file in testbed
Returns
status whether to continue iteration

Definition at line 632 of file gnunet-statistics.c.

References GNUNET_assert, GNUNET_DISK_directory_scan(), GNUNET_OK, GNUNET_STRINGS_get_short_name(), Node::index_node, and iter_check_config().

Referenced by discover_testbed_nodes().

633 {
634  unsigned index_node;
635 
636  GNUNET_assert(NULL != filename);
637  if (1 == sscanf(GNUNET_STRINGS_get_short_name(filename), "%u", &index_node))
638  {
640  {
641  /* This is probably no directory for a testbed node
642  * Go on with iteration */
643  return GNUNET_OK;
644  }
645  return GNUNET_OK;
646  }
647  return GNUNET_OK;
648 }
#define GNUNET_assert(cond)
Use this for fatal errors that cannot be handled.
static int iter_check_config(void *cls, const char *filename)
Iter over content of a node&#39;s directory to check for existence of a config file.
#define GNUNET_OK
Named constants for return values.
Definition: gnunet_common.h:75
int GNUNET_DISK_directory_scan(const char *dir_name, GNUNET_FileNameCallback callback, void *callback_cls)
Scan a directory for files.
Definition: disk.c:909
static char * filename
const char * GNUNET_STRINGS_get_short_name(const char *filename)
"man basename" Returns a pointer to a part of filename (allocates nothing)!
Definition: strings.c:776
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◆ discover_testbed_nodes()

static int discover_testbed_nodes ( const char *  path_testbed)
static

Count the number of nodes running in the testbed.

Parameters
path_testbedpath to the testbed data
Returns
number of running nodes

Definition at line 658 of file gnunet-statistics.c.

References GNUNET_DISK_directory_scan(), and iter_testbed_path().

Referenced by run().

659 {
660  int num_dir_entries;
661 
662  num_dir_entries =
664  if (-1 == num_dir_entries)
665  {
666  fprintf(stderr, "Failure during scanning directory `%s'\n", path_testbed);
667  return -1;
668  }
669  return 0;
670 }
static char * path_testbed
The path of the testbed data.
int GNUNET_DISK_directory_scan(const char *dir_name, GNUNET_FileNameCallback callback, void *callback_cls)
Scan a directory for files.
Definition: disk.c:909
static int iter_testbed_path(void *cls, const char *filename)
Iterates over filenames in testbed directory.
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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!)
cfgconfiguration

Definition at line 681 of file gnunet-statistics.c.

References _, Node::conf, csv_separator, discover_testbed_nodes(), GNUNET_array_grow, GNUNET_CONFIGURATION_get_value_number(), GNUNET_CONFIGURATION_set_value_number(), GNUNET_CONFIGURATION_set_value_string(), GNUNET_CONTAINER_multihashmap_create(), GNUNET_NO, GNUNET_SCHEDULER_add_now(), GNUNET_SYSERR, GNUNET_YES, Node::index_node, main_task(), nodes, num_nodes, path_testbed, remote_host, remote_port, ret, set_val, set_value, and watch.

Referenced by main().

685 {
686  struct GNUNET_CONFIGURATION_Handle *c;
687 
688  c = (struct GNUNET_CONFIGURATION_Handle *)cfg;
690  if (NULL == csv_separator)
691  csv_separator = "";
692  if (NULL != args[0])
693  {
694  if (1 != sscanf(args[0], "%llu", &set_val))
695  {
696  fprintf(stderr, _("Invalid argument `%s'\n"), args[0]);
697  ret = 1;
698  return;
699  }
701  }
702  if (NULL != remote_host)
703  {
704  if (0 == remote_port)
705  {
707  "statistics",
708  "PORT",
709  &remote_port))
710  {
711  fprintf(stderr,
712  _("A port is required to connect to host `%s'\n"),
713  remote_host);
714  return;
715  }
716  }
717  else if (65535 <= remote_port)
718  {
719  fprintf(stderr,
720  _(
721  "A port has to be between 1 and 65535 to connect to host `%s'\n"),
722  remote_host);
723  return;
724  }
725 
726  /* Manipulate configuration */
727  GNUNET_CONFIGURATION_set_value_string(c, "statistics", "UNIXPATH", "");
729  "statistics",
730  "HOSTNAME",
731  remote_host);
733  "statistics",
734  "PORT",
735  remote_port);
736  }
737  if (NULL == path_testbed)
738  {
741  nodes[0].index_node = 0;
742  nodes[0].conf = c;
743  GNUNET_SCHEDULER_add_now(&main_task, &nodes[0].index_node);
744  }
745  else
746  {
747  if (GNUNET_YES == watch)
748  {
749  printf(
750  _("Not able to watch testbed nodes (yet - feel free to implement)\n"));
751  ret = 1;
752  return;
753  }
756  {
757  return;
758  }
759  /* For each config/node collect statistics */
760  for (unsigned i = 0; i < num_nodes; i++)
761  {
762  GNUNET_SCHEDULER_add_now(&main_task, &nodes[i].index_node);
763  }
764  }
765 }
static char * remote_host
Remote host.
static unsigned long long remote_port
Remote host&#39;s port.
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.
static struct GNUNET_CONTAINER_MultiHashMap * values
Collection of all values (represented with ValueSet).
static char * csv_separator
Separator string for csv.
void GNUNET_CONFIGURATION_set_value_number(struct GNUNET_CONFIGURATION_Handle *cfg, const char *section, const char *option, unsigned long long number)
Set a configuration value that should be a number.
#define GNUNET_NO
Definition: gnunet_common.h:78
static unsigned long long set_val
Value to set.
static char * path_testbed
The path of the testbed data.
static int ret
Final status code.
#define _(String)
GNU gettext support macro.
Definition: platform.h:181
#define GNUNET_array_grow(arr, size, tsize)
Grow a well-typed (!) array.
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:1264
struct GNUNET_CONFIGURATION_Handle * conf
Configuration handle for this node.
void GNUNET_CONFIGURATION_set_value_string(struct GNUNET_CONFIGURATION_Handle *cfg, const char *section, const char *option, const char *value)
Set a configuration value that should be a string.
static unsigned num_nodes
Number of configurations of all (testbed) nodes.
static int watch
Watch value continuously.
#define GNUNET_SYSERR
Definition: gnunet_common.h:76
static struct Node * nodes
static int set_value
Set operation.
unsigned index_node
Index of the node in this array.
configuration data
Definition: configuration.c:83
struct GNUNET_CONTAINER_MultiHashMap * GNUNET_CONTAINER_multihashmap_create(unsigned int len, int do_not_copy_keys)
Create a multi hash map.
#define GNUNET_YES
Definition: gnunet_common.h:77
static void main_task(void *cls)
Main task that does the actual work.
static int discover_testbed_nodes(const char *path_testbed)
Count the number of nodes running in the testbed.
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◆ main()

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

The main function to obtain statistics in GNUnet.

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

Definition at line 776 of file gnunet-statistics.c.

References csv_separator, gettext_noop, GNUNET_free, GNUNET_free_non_null, GNUNET_GETOPT_OPTION_END, GNUNET_GETOPT_option_filename(), GNUNET_GETOPT_option_flag(), GNUNET_GETOPT_option_string(), GNUNET_GETOPT_option_ulong(), GNUNET_OK, GNUNET_PROGRAM_run(), GNUNET_STRINGS_get_utf8_args(), name, path_testbed, persistent, quiet, remote_host, remote_port, ret, run(), subsystem, and watch.

777 {
780  'n',
781  "name",
782  "NAME",
783  gettext_noop("limit output to statistics for the given NAME"),
784  &name),
785 
787  "persistent",
788  gettext_noop(
789  "make the value being set persistent"),
790  &persistent),
791 
793  "subsystem",
794  "SUBSYSTEM",
795  gettext_noop(
796  "limit output to the given SUBSYSTEM"),
797  &subsystem),
798 
800  "csv-separator",
801  "CSV_SEPARATOR",
802  gettext_noop("use as csv separator"),
803  &csv_separator),
804 
806  't',
807  "testbed",
808  "TESTBED",
809  gettext_noop("path to the folder containing the testbed data"),
810  &path_testbed),
811 
813  "quiet",
814  gettext_noop(
815  "just print the statistics value"),
816  &quiet),
817 
819  "watch",
820  gettext_noop("watch value continuously"),
821  &watch),
822 
824  "remote",
825  "REMOTE",
826  gettext_noop("connect to remote host"),
827  &remote_host),
828 
830  "port",
831  "PORT",
832  gettext_noop("port for remote host"),
833  &remote_port),
834 
836 
837  remote_port = 0;
838  remote_host = NULL;
839  if (GNUNET_OK != GNUNET_STRINGS_get_utf8_args(argc, argv, &argc, &argv))
840  return 2;
841 
842  ret = (GNUNET_OK ==
843  GNUNET_PROGRAM_run(argc,
844  argv,
845  "gnunet-statistics [options [value]]",
846  gettext_noop(
847  "Print statistics about GNUnet operations."),
848  options,
849  &run,
850  NULL))
851  ? ret
852  : 1;
854  GNUNET_free((void *)argv);
855  return ret;
856 }
static char * remote_host
Remote host.
static unsigned long long remote_port
Remote host&#39;s port.
static char * subsystem
Set to subsystem that we&#39;re going to get stats for (or NULL for all).
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:1439
static char * csv_separator
Separator string for csv.
#define GNUNET_OK
Named constants for return values.
Definition: gnunet_common.h:75
#define GNUNET_free_non_null(ptr)
Free the memory pointed to by ptr if ptr is not NULL.
Definition of a command line option.
static char * path_testbed
The path of the testbed data.
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.
struct GNUNET_GETOPT_CommandLineOption GNUNET_GETOPT_OPTION_END
Definition: 002.c:13
struct GNUNET_GETOPT_CommandLineOption GNUNET_GETOPT_option_string(char shortName, const char *name, const char *argumentHelp, const char *description, char **str)
Allow user to specify a string.
static char * name
Set to the specific stat value that we are after (or NULL for all).
static int ret
Final status code.
struct GNUNET_GETOPT_CommandLineOption GNUNET_GETOPT_option_filename(char shortName, const char *name, const char *argumentHelp, const char *description, char **str)
Allow user to specify a filename (automatically path expanded).
static int watch
Watch value continuously.
struct GNUNET_GETOPT_CommandLineOption GNUNET_GETOPT_option_ulong(char shortName, const char *name, const char *argumentHelp, const char *description, unsigned long long *val)
Allow user to specify an unsigned long long.
static int persistent
Make the value that is being set persistent.
struct GNUNET_GETOPT_CommandLineOption GNUNET_GETOPT_option_flag(char shortName, const char *name, const char *description, int *val)
Allow user to specify a flag (which internally means setting an integer to 1/GNUNET_YES/GNUNET_OK.
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
static int quiet
Quiet mode.
#define GNUNET_free(ptr)
Wrapper around free.
#define gettext_noop(String)
Definition: gettext.h:69
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Variable Documentation

◆ ret

int ret
static

Final status code.

Definition at line 36 of file gnunet-statistics.c.

Referenced by cleanup(), continuation_print(), main(), main_task(), and run().

◆ subsystem

char* subsystem
static

Set to subsystem that we're going to get stats for (or NULL for all).

Definition at line 41 of file gnunet-statistics.c.

Referenced by clean_node(), ego_get_subsystem(), gnunet_uri(), main(), main_task(), run(), and stat_iterator().

◆ path_testbed

char* path_testbed
static

The path of the testbed data.

Definition at line 46 of file gnunet-statistics.c.

Referenced by clean_node(), main(), and run().

◆ name

char* name
static

Set to the specific stat value that we are after (or NULL for all).

Definition at line 51 of file gnunet-statistics.c.

Referenced by clean_node(), main(), and main_task().

◆ persistent

int persistent
static

Make the value that is being set persistent.

Definition at line 56 of file gnunet-statistics.c.

Referenced by main(), main_task(), and new_value_set().

◆ watch

int watch
static

Watch value continuously.

Definition at line 61 of file gnunet-statistics.c.

Referenced by clean_node(), main(), main_task(), printer(), printer_watch(), and run().

◆ quiet

int quiet
static

Quiet mode.

Definition at line 66 of file gnunet-statistics.c.

Referenced by main(), printer(), and printer_watch().

◆ csv_separator

char* csv_separator
static

Separator string for csv.

Definition at line 71 of file gnunet-statistics.c.

Referenced by main(), printer(), printer_watch(), and run().

◆ remote_host

char* remote_host
static

Remote host.

Definition at line 76 of file gnunet-statistics.c.

Referenced by cleanup(), continuation_print(), main(), and run().

◆ remote_port

unsigned long long remote_port
static

Remote host's port.

Definition at line 81 of file gnunet-statistics.c.

Referenced by add_services(), cleanup(), continuation_print(), main(), and run().

◆ set_val

unsigned long long set_val
static

Value to set.

Definition at line 86 of file gnunet-statistics.c.

Referenced by main_task(), and run().

◆ set_value

int set_value
static

Set operation.

Definition at line 91 of file gnunet-statistics.c.

Referenced by main_task(), and run().

◆ nodes

struct Node * nodes
static

◆ num_nodes

unsigned num_nodes
static

Number of configurations of all (testbed) nodes.

Definition at line 125 of file gnunet-statistics.c.

Referenced by clean_node(), cleanup(), collector(), continuation_print(), iter_check_config(), printer(), and run().

◆ values

struct GNUNET_CONTAINER_MultiHashMap* values
static

Collection of all values (represented with ValueSet).

Definition at line 155 of file gnunet-statistics.c.

Referenced by heap_plugin_get_closest().

◆ num_nodes_ready

int num_nodes_ready
static

Number of nodes that have their values ready.

Definition at line 160 of file gnunet-statistics.c.

Referenced by continuation_print().

◆ num_nodes_ready_shutdown

int num_nodes_ready_shutdown
static

Number of nodes that have their values ready.

Definition at line 165 of file gnunet-statistics.c.

Referenced by clean_node().