GNUnet 0.22.0
gnunet-service-zonemaster.c File Reference

publish records from namestore to GNUnet name system More...

#include "platform.h"
#include <pthread.h>
#include "gnunet_util_lib.h"
#include "gnunet_dht_service.h"
#include "gnunet_namestore_service.h"
#include "gnunet_namecache_service.h"
#include "gnunet_statistics_service.h"
Include dependency graph for gnunet-service-zonemaster.c:

Go to the source code of this file.

Data Structures

struct  RecordPublicationJob
 
struct  CacheOperation
 Pending operation on the namecache. More...
 

Macros

#define LOG_STRERROR_FILE(kind, syscall, filename)
 
#define PUBLISH_OPS_PER_EXPIRATION   4
 How often should we (re)publish each record before it expires? More...
 
#define DELTA_INTERVAL   100
 How often do we measure the delta between desired zone iteration speed and actual speed, and tell statistics service about it? More...
 
#define NS_BLOCK_SIZE   1000
 How many records do we fetch in one shot from the namestore? More...
 
#define JOB_QUEUE_LIMIT   5000
 How many open jobs (and with it maximum amount of pending DHT operations) do we allow at most. More...
 
#define NAMESTORE_MONITOR_QUEUE_LIMIT   5
 How many events may the namestore give us before it has to wait for us to keep up? More...
 
#define INITIAL_ZONE_ITERATION_INTERVAL   GNUNET_TIME_UNIT_MILLISECONDS
 The initial interval in milliseconds btween puts in a zone iteration. More...
 
#define MAXIMUM_ZONE_ITERATION_INTERVAL
 The upper bound for the zone iteration interval (per record). More...
 
#define LATE_ITERATION_SPEEDUP_FACTOR   2
 The factor the current zone iteration interval is divided by for each additional new record. More...
 
#define DHT_GNS_REPLICATION_LEVEL   5
 What replication level do we use for DHT PUT operations? More...
 

Functions

static void free_job (struct RecordPublicationJob *job)
 
static void shutdown_task (void *cls)
 Task run during shutdown. More...
 
static void finish_cache_operation (void *cls, int32_t success, const char *emsg)
 Cache operation complete, clean up. More...
 
static void refresh_block (const struct GNUNET_GNSRECORD_Block *block)
 Refresh the (encrypted) block in the namecache. More...
 
static void publish_zone_namestore_next (void *cls)
 Method called periodically that triggers iteration over authoritative records. More...
 
static void publish_zone_dht_start (void *cls)
 Periodically iterate over our zone and store everything in dht. More...
 
static void calculate_put_interval ()
 Calculate target_iteration_velocity_per_record. More...
 
static void update_velocity (unsigned int cnt)
 Re-calculate our velocity and the desired velocity. More...
 
static void check_zone_namestore_next ()
 Check if the current zone iteration needs to be continued by calling publish_zone_namestore_next(), and if so with what delay. More...
 
static void dht_put_continuation (void *cls)
 Continuation called from DHT once the PUT operation is done. More...
 
static void dispatch_job (const struct GNUNET_CRYPTO_PrivateKey *key, const char *label, const struct GNUNET_GNSRECORD_Data *rd, unsigned int rd_count, const struct GNUNET_TIME_Absolute expire)
 Store GNS records in the DHT. More...
 
static void notification_pipe_cb (void *cls)
 
static void initiate_put_from_pipe_trigger (void *cls)
 
static void zone_iteration_error (void *cls)
 We encountered an error in our zone iteration. More...
 
static void zone_iteration_finished (void *cls)
 Zone iteration is completed. More...
 
static void handle_record (void *cls, const struct GNUNET_CRYPTO_PrivateKey *key, const char *label, unsigned int rd_count, const struct GNUNET_GNSRECORD_Data *rd, struct GNUNET_TIME_Absolute expire)
 Function used to put all records successively into the DHT. More...
 
static void dispatch_job_monitor (const struct GNUNET_CRYPTO_PrivateKey *key, const char *label, const struct GNUNET_GNSRECORD_Data *rd, unsigned int rd_count, struct GNUNET_TIME_Absolute expire)
 Store GNS records in the DHT. More...
 
static void handle_monitor_event (void *cls, const struct GNUNET_CRYPTO_PrivateKey *zone, const char *label, unsigned int rd_count, const struct GNUNET_GNSRECORD_Data *rd, struct GNUNET_TIME_Absolute expire)
 Process a record that was stored in the namestore (invoked by the monitor). More...
 
static void handle_monitor_error (void *cls)
 The zone monitor encountered an IPC error trying to to get in sync. More...
 
static void * sign_worker (void *cls)
 
static void run (void *cls, const struct GNUNET_CONFIGURATION_Handle *c, struct GNUNET_SERVICE_Handle *service)
 Perform zonemaster duties: watch namestore, publish records. More...
 
 GNUNET_SERVICE_MAIN ("zonemaster", GNUNET_SERVICE_OPTION_NONE, &run, NULL, NULL, NULL, GNUNET_MQ_handler_end())
 Define "main" method using service macro. More...
 

Variables

static pthread_t * worker
 Our workers. More...
 
static pthread_mutex_t sign_jobs_lock
 Lock for the sign jobs queue. More...
 
static pthread_mutex_t sign_results_lock
 Lock for the DHT put jobs queue. More...
 
static pthread_cond_t sign_jobs_cond
 Wait condition on new sign jobs. More...
 
static int in_shutdown = GNUNET_NO
 For threads to know we are shutting down. More...
 
static int monitor_halted = GNUNET_NO
 Monitor halted? More...
 
static struct GNUNET_DISK_PipeHandlenotification_pipe
 Our notification pipe. More...
 
static struct GNUNET_SCHEDULER_Taskpipe_read_task
 Pipe read task. More...
 
static struct RecordPublicationJobsign_jobs_head
 The DLL for workers to retrieve open jobs that require signing of blocks. More...
 
static struct RecordPublicationJobsign_jobs_tail
 See above. More...
 
static struct RecordPublicationJobsign_results_head
 The DLL for workers to place jobs that are signed. More...
 
static struct RecordPublicationJobsign_results_tail
 See above. More...
 
static struct RecordPublicationJobdht_jobs_head
 The DLL for jobs currently in the process of being dispatched into the DHT. More...
 
static struct RecordPublicationJobdht_jobs_tail
 See above. More...
 
static struct GNUNET_STATISTICS_Handlestatistics
 Handle to the statistics service. More...
 
static struct GNUNET_DHT_Handledht_handle
 Our handle to the DHT. More...
 
static struct GNUNET_NAMESTORE_Handlenamestore_handle
 Our handle to the namestore service. More...
 
static struct GNUNET_NAMESTORE_ZoneMonitorzmon
 Handle to monitor namestore changes to instant propagation. More...
 
static struct GNUNET_NAMECACHE_Handlenamecache
 Our handle to the namecache service. More...
 
static int disable_namecache
 Use the namecache? Doing so creates additional cryptographic operations whenever we touch a record. More...
 
static struct GNUNET_NAMESTORE_ZoneIteratornamestore_iter
 Handle to iterate over our authoritative zone in namestore. More...
 
static unsigned int job_queue_length
 Number of entries in the job queue #jobs_head. More...
 
static unsigned long long num_public_records
 Useful for zone update for DHT put. More...
 
static unsigned long long last_num_public_records
 Last seen record count. More...
 
static unsigned long long put_cnt
 Number of successful put operations performed in the current measurement cycle (as measured in check_zone_namestore_next()). More...
 
static struct GNUNET_TIME_Relative target_iteration_velocity_per_record
 What is the frequency at which we currently would like to perform DHT puts (per record)? Calculated in update_velocity() from the zone_publish_time_window() and the total number of record sets we have (so far) observed in the zone. More...
 
static struct GNUNET_TIME_Relative min_relative_record_time
 Minimum relative expiration time of records seem during the current zone iteration. More...
 
static struct GNUNET_TIME_Relative last_min_relative_record_time
 Minimum relative expiration time of records seem during the last zone iteration. More...
 
static struct GNUNET_TIME_Relative zone_publish_time_window_default
 Default time window for zone iteration. More...
 
static struct GNUNET_TIME_Relative zone_publish_time_window
 Time window for zone iteration, adjusted based on relative record expiration times in our zone. More...
 
static struct GNUNET_TIME_Absolute last_put_100
 When did we last start measuring the DELTA_INTERVAL successful DHT puts? Used for velocity calculations. More...
 
static struct GNUNET_TIME_Relative sub_delta
 By how much should we try to increase our per-record iteration speed (over the desired speed calculated directly from the #put_interval)? Basically this value corresponds to the per-record CPU time overhead we have. More...
 
static struct GNUNET_SCHEDULER_Taskzone_publish_task
 zone publish task More...
 
static unsigned int ns_iteration_left
 How many more values are left for the current query before we need to explicitly ask the namestore for more? More...
 
static int first_zone_iteration
 GNUNET_YES if zone has never been published before More...
 
static int cache_keys
 Optimize block insertion by caching map of private keys to public keys in memory? More...
 
static struct CacheOperationcop_head
 Head of cop DLL. More...
 
static struct CacheOperationcop_tail
 Tail of cop DLL. More...
 

Detailed Description

publish records from namestore to GNUnet name system

Author
Christian Grothoff

Definition in file gnunet-service-zonemaster.c.

Macro Definition Documentation

◆ LOG_STRERROR_FILE

#define LOG_STRERROR_FILE (   kind,
  syscall,
  filename 
)
Value:
syscall, \
static char * filename
#define GNUNET_log_from_strerror_file(level, component, cmd, filename)
Log an error message at log-level 'level' that indicates a failure of the command 'cmd' with the mess...

Definition at line 34 of file gnunet-service-zonemaster.c.

◆ PUBLISH_OPS_PER_EXPIRATION

#define PUBLISH_OPS_PER_EXPIRATION   4

How often should we (re)publish each record before it expires?

Definition at line 44 of file gnunet-service-zonemaster.c.

◆ DELTA_INTERVAL

#define DELTA_INTERVAL   100

How often do we measure the delta between desired zone iteration speed and actual speed, and tell statistics service about it?

Definition at line 51 of file gnunet-service-zonemaster.c.

◆ NS_BLOCK_SIZE

#define NS_BLOCK_SIZE   1000

How many records do we fetch in one shot from the namestore?

Definition at line 56 of file gnunet-service-zonemaster.c.

◆ JOB_QUEUE_LIMIT

#define JOB_QUEUE_LIMIT   5000

How many open jobs (and with it maximum amount of pending DHT operations) do we allow at most.

Definition at line 61 of file gnunet-service-zonemaster.c.

◆ NAMESTORE_MONITOR_QUEUE_LIMIT

#define NAMESTORE_MONITOR_QUEUE_LIMIT   5

How many events may the namestore give us before it has to wait for us to keep up?

Definition at line 67 of file gnunet-service-zonemaster.c.

◆ INITIAL_ZONE_ITERATION_INTERVAL

#define INITIAL_ZONE_ITERATION_INTERVAL   GNUNET_TIME_UNIT_MILLISECONDS

The initial interval in milliseconds btween puts in a zone iteration.

Definition at line 73 of file gnunet-service-zonemaster.c.

◆ MAXIMUM_ZONE_ITERATION_INTERVAL

#define MAXIMUM_ZONE_ITERATION_INTERVAL
Value:
#define GNUNET_TIME_UNIT_MINUTES
One minute.
struct GNUNET_TIME_Relative GNUNET_TIME_relative_multiply(struct GNUNET_TIME_Relative rel, unsigned long long factor)
Multiply relative time by a given factor.
Definition: time.c:486

The upper bound for the zone iteration interval (per record).

Definition at line 79 of file gnunet-service-zonemaster.c.

◆ LATE_ITERATION_SPEEDUP_FACTOR

#define LATE_ITERATION_SPEEDUP_FACTOR   2

The factor the current zone iteration interval is divided by for each additional new record.

Definition at line 86 of file gnunet-service-zonemaster.c.

◆ DHT_GNS_REPLICATION_LEVEL

#define DHT_GNS_REPLICATION_LEVEL   5

What replication level do we use for DHT PUT operations?

Definition at line 91 of file gnunet-service-zonemaster.c.

Function Documentation

◆ free_job()

static void free_job ( struct RecordPublicationJob job)
static

Definition at line 382 of file gnunet-service-zonemaster.c.

383{
384 if (job->block != job->block_priv)
385 GNUNET_free (job->block_priv);
386 GNUNET_free (job->block);
387 if (NULL != job->label)
388 GNUNET_free (job->label);
390}
static struct GNUNET_SCHEDULER_Task * job
Task for main job.
Definition: gnunet-cadet.c:137
#define GNUNET_free(ptr)
Wrapper around free.

References GNUNET_free, and job.

Referenced by dht_put_continuation(), initiate_put_from_pipe_trigger(), and shutdown_task().

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◆ shutdown_task()

static void shutdown_task ( void *  cls)
static

Task run during shutdown.

Parameters
clsunused
tcunused

Definition at line 400 of file gnunet-service-zonemaster.c.

401{
402 struct CacheOperation *cop;
404
405 (void) cls;
408 "Shutting down!\n");
409 if (NULL != notification_pipe)
411 if (NULL != pipe_read_task)
413 while (NULL != (cop = cop_head))
414 {
416 "Aborting incomplete namecache operation\n");
419 GNUNET_free (cop);
420 }
421 GNUNET_assert (0 == pthread_mutex_lock (&sign_jobs_lock));
422 while (NULL != (job = sign_jobs_head))
423 {
425 "Removing incomplete jobs\n");
428 free_job (job);
429 }
430 GNUNET_assert (0 == pthread_mutex_unlock (&sign_jobs_lock));
431 GNUNET_assert (0 == pthread_mutex_lock (&sign_results_lock));
432 while (NULL != (job = sign_results_head))
433 {
435 "Removing incomplete jobs\n");
437 free_job (job);
438 }
439 GNUNET_assert (0 == pthread_mutex_unlock (&sign_results_lock));
440 while (NULL != (job = dht_jobs_head))
441 {
443 "Removing incomplete jobs\n");
445 if (NULL != job->ph)
447 free_job (job);
448 }
449 if (NULL != statistics)
450 {
452 GNUNET_NO);
453 statistics = NULL;
454 }
455 if (NULL != zone_publish_task)
456 {
458 zone_publish_task = NULL;
459 }
460 if (NULL != namestore_iter)
461 {
463 namestore_iter = NULL;
464 }
465 if (NULL != zmon)
466 {
468 zmon = NULL;
469 }
470 if (NULL != namestore_handle)
471 {
473 namestore_handle = NULL;
474 }
475 if (NULL != namecache)
476 {
478 namecache = NULL;
479 }
480 if (NULL != dht_handle)
481 {
483 dht_handle = NULL;
484 }
485}
static pthread_mutex_t sign_results_lock
Lock for the DHT put jobs queue.
static struct CacheOperation * cop_head
Head of cop DLL.
static struct RecordPublicationJob * sign_results_tail
See above.
static struct GNUNET_NAMECACHE_Handle * namecache
Our handle to the namecache service.
static unsigned int job_queue_length
Number of entries in the job queue #jobs_head.
static struct RecordPublicationJob * sign_results_head
The DLL for workers to place jobs that are signed.
static struct RecordPublicationJob * dht_jobs_tail
See above.
static struct CacheOperation * cop_tail
Tail of cop DLL.
static struct GNUNET_NAMESTORE_Handle * namestore_handle
Our handle to the namestore service.
static int in_shutdown
For threads to know we are shutting down.
static struct GNUNET_STATISTICS_Handle * statistics
Handle to the statistics service.
static struct GNUNET_DISK_PipeHandle * notification_pipe
Our notification pipe.
static struct GNUNET_DHT_Handle * dht_handle
Our handle to the DHT.
static struct RecordPublicationJob * dht_jobs_head
The DLL for jobs currently in the process of being dispatched into the DHT.
static struct GNUNET_SCHEDULER_Task * zone_publish_task
zone publish task
static struct GNUNET_SCHEDULER_Task * pipe_read_task
Pipe read task.
static struct GNUNET_NAMESTORE_ZoneIterator * namestore_iter
Handle to iterate over our authoritative zone in namestore.
static void free_job(struct RecordPublicationJob *job)
static struct RecordPublicationJob * sign_jobs_head
The DLL for workers to retrieve open jobs that require signing of blocks.
static struct GNUNET_NAMESTORE_ZoneMonitor * zmon
Handle to monitor namestore changes to instant propagation.
static struct RecordPublicationJob * sign_jobs_tail
See above.
static pthread_mutex_t sign_jobs_lock
Lock for the sign jobs queue.
void GNUNET_DHT_put_cancel(struct GNUNET_DHT_PutHandle *ph)
Cancels a DHT PUT operation.
Definition: dht_api.c:1146
void GNUNET_DHT_disconnect(struct GNUNET_DHT_Handle *handle)
Shutdown connection with the DHT service.
Definition: dht_api.c:1060
enum GNUNET_GenericReturnValue GNUNET_DISK_pipe_close(struct GNUNET_DISK_PipeHandle *p)
Closes an interprocess channel.
Definition: disk.c:1588
#define GNUNET_CONTAINER_DLL_remove(head, tail, element)
Remove an element from a DLL.
#define GNUNET_log(kind,...)
@ GNUNET_YES
@ GNUNET_NO
#define GNUNET_assert(cond)
Use this for fatal errors that cannot be handled.
@ GNUNET_ERROR_TYPE_WARNING
@ GNUNET_ERROR_TYPE_DEBUG
void GNUNET_NAMECACHE_disconnect(struct GNUNET_NAMECACHE_Handle *h)
Disconnect from the namecache service (and free associated resources).
void GNUNET_NAMECACHE_cancel(struct GNUNET_NAMECACHE_QueueEntry *qe)
Cancel a namecache operation.
void GNUNET_NAMESTORE_disconnect(struct GNUNET_NAMESTORE_Handle *h)
Disconnect from the namestore service (and free associated resources).
void GNUNET_NAMESTORE_zone_monitor_stop(struct GNUNET_NAMESTORE_ZoneMonitor *zm)
Stop monitoring a zone for changes.
void GNUNET_NAMESTORE_zone_iteration_stop(struct GNUNET_NAMESTORE_ZoneIterator *it)
Stops iteration and releases the namestore handle for further calls.
void * GNUNET_SCHEDULER_cancel(struct GNUNET_SCHEDULER_Task *task)
Cancel the task with the specified identifier.
Definition: scheduler.c:979
void GNUNET_STATISTICS_destroy(struct GNUNET_STATISTICS_Handle *h, int sync_first)
Destroy a handle (free all state associated with it).
Pending operation on the namecache.
struct GNUNET_NAMECACHE_QueueEntry * qe
Handle to namecache queue.

References cop_head, cop_tail, dht_handle, dht_jobs_head, dht_jobs_tail, free_job(), GNUNET_assert, GNUNET_CONTAINER_DLL_remove, GNUNET_DHT_disconnect(), GNUNET_DHT_put_cancel(), GNUNET_DISK_pipe_close(), GNUNET_ERROR_TYPE_DEBUG, GNUNET_ERROR_TYPE_WARNING, GNUNET_free, GNUNET_log, GNUNET_NAMECACHE_cancel(), GNUNET_NAMECACHE_disconnect(), GNUNET_NAMESTORE_disconnect(), GNUNET_NAMESTORE_zone_iteration_stop(), GNUNET_NAMESTORE_zone_monitor_stop(), GNUNET_NO, GNUNET_SCHEDULER_cancel(), GNUNET_STATISTICS_destroy(), GNUNET_YES, in_shutdown, job, job_queue_length, namecache, namestore_handle, namestore_iter, notification_pipe, pipe_read_task, CacheOperation::qe, sign_jobs_head, sign_jobs_lock, sign_jobs_tail, sign_results_head, sign_results_lock, sign_results_tail, statistics, zmon, and zone_publish_task.

Referenced by run().

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◆ finish_cache_operation()

static void finish_cache_operation ( void *  cls,
int32_t  success,
const char *  emsg 
)
static

Cache operation complete, clean up.

Parameters
clsthe struct CacheOperation
successsuccess
emsgerror messages

Definition at line 496 of file gnunet-service-zonemaster.c.

497{
498 struct CacheOperation *cop = cls;
499
500 if (NULL != emsg)
502 _ ("Failed to replicate block in namecache: %s\n"),
503 emsg);
504 else
505 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "CACHE operation completed\n");
507 GNUNET_free (cop);
508}
#define _(String)
GNU gettext support macro.
Definition: platform.h:178

References _, cop_head, cop_tail, GNUNET_CONTAINER_DLL_remove, GNUNET_ERROR_TYPE_DEBUG, GNUNET_ERROR_TYPE_WARNING, GNUNET_free, and GNUNET_log.

Referenced by refresh_block().

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◆ refresh_block()

static void refresh_block ( const struct GNUNET_GNSRECORD_Block block)
static

Refresh the (encrypted) block in the namecache.

Parameters
zone_keyprivate key of the zone
namelabel for the records
rd_countnumber of records
rdrecords stored under the given name

Definition at line 520 of file gnunet-service-zonemaster.c.

521{
522 struct CacheOperation *cop;
523
525 {
527 "Namecache updates skipped (NC disabled)",
528 1,
529 GNUNET_NO);
530 return;
531 }
532 GNUNET_assert (NULL != block);
533 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Caching block in namecache\n");
535 "Namecache updates pushed",
536 1,
537 GNUNET_NO);
538 cop = GNUNET_new (struct CacheOperation);
541 block,
543 cop);
544}
static int disable_namecache
Use the namecache? Doing so creates additional cryptographic operations whenever we touch a record.
static void finish_cache_operation(void *cls, int32_t success, const char *emsg)
Cache operation complete, clean up.
#define GNUNET_CONTAINER_DLL_insert(head, tail, element)
Insert an element at the head of a DLL.
#define GNUNET_new(type)
Allocate a struct or union of the given type.
struct GNUNET_NAMECACHE_QueueEntry * GNUNET_NAMECACHE_block_cache(struct GNUNET_NAMECACHE_Handle *h, const struct GNUNET_GNSRECORD_Block *block, GNUNET_NAMECACHE_ContinuationWithStatus cont, void *cont_cls)
Store an item in the namecache.
void GNUNET_STATISTICS_update(struct GNUNET_STATISTICS_Handle *handle, const char *name, int64_t delta, int make_persistent)
Set statistic value for the peer.

References cop_head, cop_tail, disable_namecache, finish_cache_operation(), GNUNET_assert, GNUNET_CONTAINER_DLL_insert, GNUNET_ERROR_TYPE_DEBUG, GNUNET_log, GNUNET_NAMECACHE_block_cache(), GNUNET_new, GNUNET_NO, GNUNET_STATISTICS_update(), GNUNET_YES, namecache, CacheOperation::qe, and statistics.

Referenced by initiate_put_from_pipe_trigger().

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◆ publish_zone_namestore_next()

static void publish_zone_namestore_next ( void *  cls)
static

Method called periodically that triggers iteration over authoritative records.

Parameters
clsNULL

Definition at line 553 of file gnunet-service-zonemaster.c.

554{
555 (void) cls;
556 zone_publish_task = NULL;
562}
static unsigned int ns_iteration_left
How many more values are left for the current query before we need to explicitly ask the namestore fo...
#define NS_BLOCK_SIZE
How many records do we fetch in one shot from the namestore?
void GNUNET_NAMESTORE_zone_iterator_next(struct GNUNET_NAMESTORE_ZoneIterator *it, uint64_t limit)
Calls the record processor specified in GNUNET_NAMESTORE_zone_iteration_start for the next record.

References GNUNET_assert, GNUNET_NAMESTORE_zone_iterator_next(), namestore_iter, NS_BLOCK_SIZE, ns_iteration_left, and zone_publish_task.

Referenced by check_zone_namestore_next().

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◆ publish_zone_dht_start()

static void publish_zone_dht_start ( void *  cls)
static

Periodically iterate over our zone and store everything in dht.

Periodically iterate over all zones and store everything in DHT.

Parameters
clsNULL

Definition at line 1092 of file gnunet-service-zonemaster.c.

1093{
1094 (void) cls;
1095 zone_publish_task = NULL;
1097 "Full zone iterations launched",
1098 1,
1099 GNUNET_NO);
1101 "Starting DHT zone update!\n");
1102 /* start counting again */
1104 GNUNET_assert (NULL == namestore_iter);
1108 NULL, /* All zones */
1110 NULL,
1112 NULL,
1114 NULL,
1116 GNUNET_assert (NULL != namestore_iter);
1117}
static void zone_iteration_finished(void *cls)
Zone iteration is completed.
static void handle_record(void *cls, const struct GNUNET_CRYPTO_PrivateKey *key, const char *label, unsigned int rd_count, const struct GNUNET_GNSRECORD_Data *rd, struct GNUNET_TIME_Absolute expire)
Function used to put all records successively into the DHT.
static unsigned long long num_public_records
Useful for zone update for DHT put.
static void zone_iteration_error(void *cls)
We encountered an error in our zone iteration.
@ GNUNET_GNSRECORD_FILTER_NONE
No filter flags set.
struct GNUNET_NAMESTORE_ZoneIterator * GNUNET_NAMESTORE_zone_iteration_start2(struct GNUNET_NAMESTORE_Handle *h, const struct GNUNET_CRYPTO_PrivateKey *zone, GNUNET_SCHEDULER_TaskCallback error_cb, void *error_cb_cls, GNUNET_NAMESTORE_RecordSetMonitor proc, void *proc_cls, GNUNET_SCHEDULER_TaskCallback finish_cb, void *finish_cb_cls, enum GNUNET_GNSRECORD_Filter filter)
Starts a new zone iteration (used to periodically PUT all of our records into our DHT).

References GNUNET_assert, GNUNET_ERROR_TYPE_DEBUG, GNUNET_GNSRECORD_FILTER_NONE, GNUNET_log, GNUNET_NAMESTORE_zone_iteration_start2(), GNUNET_NO, GNUNET_STATISTICS_update(), handle_record(), namestore_handle, namestore_iter, ns_iteration_left, num_public_records, statistics, zone_iteration_error(), zone_iteration_finished(), and zone_publish_task.

Referenced by run(), zone_iteration_error(), and zone_iteration_finished().

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◆ calculate_put_interval()

static void calculate_put_interval ( )
static

Calculate target_iteration_velocity_per_record.

If no records are known (startup) or none present we can safely set the interval to the value for a single record

Definition at line 578 of file gnunet-service-zonemaster.c.

579{
580 if (0 == num_public_records)
588 "No records in namestore database.\n");
589 }
590 else
591 {
603 }
608 "Minimum relative record expiration (in μs)",
610 GNUNET_NO);
612 "Zone publication time window (in μs)",
614 GNUNET_NO);
616 "Target zone iteration velocity (μs)",
618 GNUNET_NO);
619}
#define PUBLISH_OPS_PER_EXPIRATION
How often should we (re)publish each record before it expires?
static struct GNUNET_TIME_Relative target_iteration_velocity_per_record
What is the frequency at which we currently would like to perform DHT puts (per record)?...
static unsigned long long last_num_public_records
Last seen record count.
static struct GNUNET_TIME_Relative zone_publish_time_window
Time window for zone iteration, adjusted based on relative record expiration times in our zone.
static struct GNUNET_TIME_Relative min_relative_record_time
Minimum relative expiration time of records seem during the current zone iteration.
static struct GNUNET_TIME_Relative zone_publish_time_window_default
Default time window for zone iteration.
static struct GNUNET_TIME_Relative last_min_relative_record_time
Minimum relative expiration time of records seem during the last zone iteration.
#define MAXIMUM_ZONE_ITERATION_INTERVAL
The upper bound for the zone iteration interval (per record).
@ GNUNET_ERROR_TYPE_BULK
void GNUNET_STATISTICS_set(struct GNUNET_STATISTICS_Handle *handle, const char *name, uint64_t value, int make_persistent)
Set statistic value for the peer.
struct GNUNET_TIME_Relative GNUNET_TIME_relative_min(struct GNUNET_TIME_Relative t1, struct GNUNET_TIME_Relative t2)
Return the minimum of two relative time values.
Definition: time.c:344
struct GNUNET_TIME_Relative GNUNET_TIME_relative_divide(struct GNUNET_TIME_Relative rel, unsigned long long factor)
Divide relative time by a given factor.
Definition: time.c:552
uint64_t rel_value_us
The actual value.

References GNUNET_ERROR_TYPE_BULK, GNUNET_ERROR_TYPE_DEBUG, GNUNET_log, GNUNET_NO, GNUNET_STATISTICS_set(), GNUNET_TIME_relative_divide(), GNUNET_TIME_relative_min(), last_min_relative_record_time, last_num_public_records, MAXIMUM_ZONE_ITERATION_INTERVAL, min_relative_record_time, num_public_records, PUBLISH_OPS_PER_EXPIRATION, GNUNET_TIME_Relative::rel_value_us, statistics, target_iteration_velocity_per_record, zone_publish_time_window, and zone_publish_time_window_default.

Referenced by update_velocity(), and zone_iteration_finished().

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◆ update_velocity()

static void update_velocity ( unsigned int  cnt)
static

Re-calculate our velocity and the desired velocity.

We have succeeded in making DELTA_INTERVAL puts, so now calculate the new desired delay between puts.

Parameters
cnthow many records were processed since the last call?

Definition at line 630 of file gnunet-service-zonemaster.c.

631{
633 unsigned long long pct = 0;
634
635 if (0 == cnt)
636 return;
637 /* How fast were we really? */
639 delta.rel_value_us /= cnt;
641
642 /* calculate expected frequency */
645 {
647 "Last record count was lower than current record count. Reducing interval.\n");
651 }
653 "Desired global zone iteration interval is %s/record!\n",
656 GNUNET_YES));
657
658 /* Tell statistics actual vs. desired speed */
660 "Current zone iteration velocity (μs/record)",
662 GNUNET_NO);
663 /* update "sub_delta" based on difference, taking
664 previous sub_delta into account! */
666 {
667 /* We were too fast, reduce sub_delta! */
668 struct GNUNET_TIME_Relative corr;
669
671 delta);
673 {
674 /* Reduce sub_delta by corr */
676 corr);
677 }
678 else
679 {
680 /* We're doing fine with waiting the full time, this
681 should theoretically only happen if we run at
682 infinite speed. */
684 }
685 }
688 {
689 /* We were too slow, increase sub_delta! */
690 struct GNUNET_TIME_Relative corr;
691
695 corr);
698 {
699 /* CPU overload detected, we cannot go at desired speed,
700 as this would mean using a negative delay. */
701 /* compute how much faster we would want to be for
702 the desired velocity */
704 pct = UINT64_MAX; /* desired speed is infinity ... */
705 else
710 }
711 }
713 "# dispatched jobs",
715 GNUNET_NO);
717 "% speed increase needed for target velocity",
718 pct,
719 GNUNET_NO);
721 "# records processed in current iteration",
723 GNUNET_NO);
724}
static struct GNUNET_TIME_Relative sub_delta
By how much should we try to increase our per-record iteration speed (over the desired speed calculat...
static void calculate_put_interval()
Calculate target_iteration_velocity_per_record.
#define LATE_ITERATION_SPEEDUP_FACTOR
The factor the current zone iteration interval is divided by for each additional new record.
static int first_zone_iteration
GNUNET_YES if zone has never been published before
static struct GNUNET_TIME_Absolute last_put_100
When did we last start measuring the DELTA_INTERVAL successful DHT puts? Used for velocity calculatio...
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:438
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:570
struct GNUNET_TIME_Relative GNUNET_TIME_relative_subtract(struct GNUNET_TIME_Relative a1, struct GNUNET_TIME_Relative a2)
Subtract relative timestamp from the other.
Definition: time.c:605
struct GNUNET_TIME_Absolute GNUNET_TIME_absolute_get(void)
Get the current time.
Definition: time.c:111
struct GNUNET_TIME_Relative GNUNET_TIME_relative_add(struct GNUNET_TIME_Relative a1, struct GNUNET_TIME_Relative a2)
Add relative times together.
Definition: time.c:587
#define GNUNET_TIME_UNIT_ZERO
Relative time zero.
static struct GNUNET_TIME_Relative delta
Definition: speedup.c:36
Time for relative time used by GNUnet, in microseconds.

References calculate_put_interval(), delta, first_zone_iteration, GNUNET_ERROR_TYPE_DEBUG, GNUNET_log, GNUNET_NO, GNUNET_STATISTICS_set(), GNUNET_STRINGS_relative_time_to_string(), GNUNET_TIME_absolute_get(), GNUNET_TIME_absolute_get_duration(), GNUNET_TIME_relative_add(), GNUNET_TIME_relative_subtract(), GNUNET_TIME_UNIT_ZERO, GNUNET_YES, job_queue_length, last_num_public_records, last_put_100, LATE_ITERATION_SPEEDUP_FACTOR, num_public_records, GNUNET_TIME_Relative::rel_value_us, statistics, sub_delta, and target_iteration_velocity_per_record.

Referenced by check_zone_namestore_next(), and handle_record().

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◆ check_zone_namestore_next()

static void check_zone_namestore_next ( )
static

Check if the current zone iteration needs to be continued by calling publish_zone_namestore_next(), and if so with what delay.

Definition at line 732 of file gnunet-service-zonemaster.c.

733{
734 struct GNUNET_TIME_Relative delay;
735
736 if (0 != ns_iteration_left)
737 return; /* current NAMESTORE iteration not yet done */
739 {
741 "Job queue length exceeded (%u/%u). Pausing namestore iteration.\n",
744 return;
745 }
747 put_cnt = 0;
749 sub_delta);
750 /* We delay *once* per #NS_BLOCK_SIZE, so we need to multiply the
751 per-record delay calculated so far with the #NS_BLOCK_SIZE */
753 "Current artificial NAMESTORE delay (μs/record)",
754 delay.rel_value_us,
755 GNUNET_NO);
756 delay = GNUNET_TIME_relative_multiply (delay,
758 /* make sure we do not overshoot because of the #NS_BLOCK_SIZE factor */
760 delay);
761 /* no delays on first iteration */
763 delay = GNUNET_TIME_UNIT_ZERO;
767 ,
768 NULL);
769}
static unsigned long long put_cnt
Number of successful put operations performed in the current measurement cycle (as measured in check_...
static void publish_zone_namestore_next(void *cls)
Method called periodically that triggers iteration over authoritative records.
#define JOB_QUEUE_LIMIT
How many open jobs (and with it maximum amount of pending DHT operations) do we allow at most.
static void update_velocity(unsigned int cnt)
Re-calculate our velocity and the desired velocity.
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:1276

References first_zone_iteration, GNUNET_assert, GNUNET_ERROR_TYPE_WARNING, GNUNET_log, GNUNET_NO, GNUNET_SCHEDULER_add_delayed(), GNUNET_STATISTICS_set(), GNUNET_TIME_relative_min(), GNUNET_TIME_relative_multiply(), GNUNET_TIME_relative_subtract(), GNUNET_TIME_UNIT_ZERO, GNUNET_YES, job_queue_length, JOB_QUEUE_LIMIT, MAXIMUM_ZONE_ITERATION_INTERVAL, NS_BLOCK_SIZE, ns_iteration_left, publish_zone_namestore_next(), put_cnt, GNUNET_TIME_Relative::rel_value_us, statistics, sub_delta, target_iteration_velocity_per_record, update_velocity(), and zone_publish_task.

Referenced by dht_put_continuation(), and handle_record().

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◆ dht_put_continuation()

static void dht_put_continuation ( void *  cls)
static

Continuation called from DHT once the PUT operation is done.

Definition at line 777 of file gnunet-service-zonemaster.c.

778{
779 struct RecordPublicationJob *job = cls;
780
782 "PUT complete; Pending jobs: %u\n", job_queue_length - 1);
783 /* When we just fall under the limit, trigger monitor/iterator again
784 * if halted. We can only safely trigger one, prefer iterator. */
785 if (NULL == zone_publish_task)
788 {
790 {
793 }
794 }
798 job);
799 free_job (job);
800}
static void check_zone_namestore_next()
Check if the current zone iteration needs to be continued by calling publish_zone_namestore_next(),...
static int monitor_halted
Monitor halted?
void GNUNET_NAMESTORE_zone_monitor_next(struct GNUNET_NAMESTORE_ZoneMonitor *zm, uint64_t limit)
Calls the monitor processor specified in GNUNET_NAMESTORE_zone_monitor_start for the next record(s).

References check_zone_namestore_next(), dht_jobs_head, dht_jobs_tail, free_job(), GNUNET_CONTAINER_DLL_remove, GNUNET_ERROR_TYPE_DEBUG, GNUNET_log, GNUNET_NAMESTORE_zone_monitor_next(), GNUNET_NO, GNUNET_YES, job, job_queue_length, JOB_QUEUE_LIMIT, monitor_halted, zmon, and zone_publish_task.

Referenced by initiate_put_from_pipe_trigger().

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◆ dispatch_job()

static void dispatch_job ( const struct GNUNET_CRYPTO_PrivateKey key,
const char *  label,
const struct GNUNET_GNSRECORD_Data rd,
unsigned int  rd_count,
const struct GNUNET_TIME_Absolute  expire 
)
static

Store GNS records in the DHT.

Parameters
keykey of the zone
labellabel to store under
rd_publicpublic record data
rd_public_countnumber of records in rd_public
mahandle for the put operation
Returns
DHT PUT handle, NULL on error

Definition at line 814 of file gnunet-service-zonemaster.c.

819{
820 struct GNUNET_GNSRECORD_Data rd_public[rd_count];
821 struct GNUNET_GNSRECORD_Block *block;
822 struct GNUNET_GNSRECORD_Block *block_priv;
823 struct GNUNET_TIME_Absolute expire_pub;
825 size_t block_size;
826 unsigned int rd_public_count = 0;
827 char *emsg;
828
829 if (GNUNET_OK !=
831 rd,
832 rd_count,
833 rd_public,
834 &rd_public_count,
835 &expire_pub,
837 &emsg))
838 {
840 "%s\n", emsg);
841 GNUNET_free (emsg);
842 }
843
846 label,
847 rd_public,
848 rd_public_count,
849 &block));
850 if (NULL == block)
851 {
852 GNUNET_break (0);
853 return; /* whoops */
854 }
855 if (rd_count != rd_public_count)
857 expire,
858 label,
859 rd,
860 rd_count,
861 &
862 block_priv));
863 else
866 GNUNET_assert (0 == pthread_mutex_lock (&sign_jobs_lock));
868 job->block = block;
869 job->block_size = block_size;
870 job->block_priv = block_priv;
871 job->zone = *key;
872 job->label = GNUNET_strdup (label);
873 job->expire_pub = expire_pub;
875 GNUNET_assert (0 == pthread_cond_signal (&sign_jobs_cond));
876 GNUNET_assert (0 == pthread_mutex_unlock (&sign_jobs_lock));
878 "Creating job with %u record(s) for label `%s', expiration `%s'\n",
879 rd_public_count,
880 label,
883 return;
884}
struct GNUNET_HashCode key
The key used in the DHT.
static char * expire
DID Document expiration Date Attribute String.
Definition: gnunet-did.c:97
static unsigned int rd_count
Number of records for currently parsed set.
static struct GNUNET_GNSRECORD_Data rd[50]
The record data under a single label.
static pthread_cond_t sign_jobs_cond
Wait condition on new sign jobs.
enum GNUNET_GenericReturnValue GNUNET_GNSRECORD_block_create_unsigned(const struct GNUNET_CRYPTO_PrivateKey *key, struct GNUNET_TIME_Absolute expire, const char *label, const struct GNUNET_GNSRECORD_Data *rd, unsigned int rd_count, struct GNUNET_GNSRECORD_Block **result)
Create name and records but do not sign! Sign later with GNUNET_GNSRECORD_block_sign().
size_t GNUNET_GNSRECORD_block_get_size(const struct GNUNET_GNSRECORD_Block *block)
Returns the length of this block in bytes.
enum GNUNET_GenericReturnValue GNUNET_GNSRECORD_normalize_record_set(const char *label, const struct GNUNET_GNSRECORD_Data *rd, unsigned int rd_count, struct GNUNET_GNSRECORD_Data *rd_public, unsigned int *rd_count_public, struct GNUNET_TIME_Absolute *min_expiry, enum GNUNET_GNSRECORD_Filter filter, char **emsg)
Normalize namestore records: Check for consistency and expirations.
@ GNUNET_GNSRECORD_FILTER_OMIT_PRIVATE
Filter private records.
@ GNUNET_OK
#define GNUNET_break(cond)
Use this for internal assertion violations that are not fatal (can be handled) but should not occur.
@ GNUNET_ERROR_TYPE_ERROR
#define GNUNET_strdup(a)
Wrapper around GNUNET_xstrdup_.
const char * GNUNET_STRINGS_absolute_time_to_string(struct GNUNET_TIME_Absolute t)
Like asctime, except for GNUnet time.
Definition: strings.c:617
Time for absolute times used by GNUnet, in microseconds.
struct GNUNET_GNSRECORD_Block * block
The block to sign.
char * label
The label of the block needed for signing.
size_t block_size
The size of the public block for the DHT put.
struct GNUNET_TIME_Absolute expire_pub
The expiration time of the public block for the DHT put.
struct GNUNET_GNSRECORD_Block * block_priv
The private block to sign, may point to block in case the public and private blocks are the same.

References RecordPublicationJob::block, RecordPublicationJob::block_priv, RecordPublicationJob::block_size, expire, RecordPublicationJob::expire_pub, GNUNET_assert, GNUNET_break, GNUNET_CONTAINER_DLL_insert, GNUNET_ERROR_TYPE_DEBUG, GNUNET_ERROR_TYPE_ERROR, GNUNET_free, GNUNET_GNSRECORD_block_create_unsigned(), GNUNET_GNSRECORD_block_get_size(), GNUNET_GNSRECORD_FILTER_OMIT_PRIVATE, GNUNET_GNSRECORD_normalize_record_set(), GNUNET_log, GNUNET_new, GNUNET_OK, GNUNET_strdup, GNUNET_STRINGS_absolute_time_to_string(), job, key, RecordPublicationJob::label, num_public_records, rd, rd_count, sign_jobs_cond, sign_jobs_head, sign_jobs_lock, and sign_jobs_tail.

Referenced by handle_record().

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◆ notification_pipe_cb()

static void notification_pipe_cb ( void *  cls)
static

Definition at line 1304 of file gnunet-service-zonemaster.c.

1305{
1307 "Received wake up notification through pipe, checking results\n");
1309}
static void initiate_put_from_pipe_trigger(void *cls)
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:1303

References GNUNET_ERROR_TYPE_DEBUG, GNUNET_log, GNUNET_SCHEDULER_add_now(), and initiate_put_from_pipe_trigger().

Referenced by initiate_put_from_pipe_trigger(), and run().

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◆ initiate_put_from_pipe_trigger()

static void initiate_put_from_pipe_trigger ( void *  cls)
static

Definition at line 891 of file gnunet-service-zonemaster.c.

892{
893 struct GNUNET_HashCode query;
895 const struct GNUNET_DISK_FileHandle *np_fh;
896 char buf[100];
897 ssize_t nf_count;
898
899 pipe_read_task = NULL;
905 np_fh,
907 NULL);
908 /* empty queue */
909 nf_count = GNUNET_DISK_file_read (np_fh, buf, sizeof (buf));
910 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Read %lld notifications from pipe\n",
911 (long long) nf_count);
912 while (true)
913 {
914 GNUNET_assert (0 == pthread_mutex_lock (&sign_results_lock));
915 if (NULL == sign_results_head)
916 {
918 "No more results. Back to sleep.\n");
919 GNUNET_assert (0 == pthread_mutex_unlock (&sign_results_lock));
920 return;
921 }
924 GNUNET_assert (0 == pthread_mutex_unlock (&sign_results_lock));
926 job->label,
927 &query);
929 &query,
933 job->block_size,
934 job->block,
935 job->expire_pub,
937 job);
938 if (NULL == job->ph)
939 {
941 "Could not perform DHT PUT, is the DHT running?\n");
942 free_job (job);
943 return;
944 }
946 "DHT put operations initiated",
947 1,
948 GNUNET_NO);
950 "Storing record(s) for label `%s' in DHT under key %s\n",
951 job->label,
952 GNUNET_h2s (&query));
953 refresh_block (job->block_priv);
955 }
956}
static void notification_pipe_cb(void *cls)
static void refresh_block(const struct GNUNET_GNSRECORD_Block *block)
Refresh the (encrypted) block in the namecache.
#define DHT_GNS_REPLICATION_LEVEL
What replication level do we use for DHT PUT operations?
static void dht_put_continuation(void *cls)
Continuation called from DHT once the PUT operation is done.
struct GNUNET_DHT_PutHandle * GNUNET_DHT_put(struct GNUNET_DHT_Handle *handle, const struct GNUNET_HashCode *key, uint32_t desired_replication_level, enum GNUNET_DHT_RouteOption options, enum GNUNET_BLOCK_Type type, size_t size, const void *data, struct GNUNET_TIME_Absolute exp, GNUNET_SCHEDULER_TaskCallback cont, void *cont_cls)
Perform a PUT operation storing data in the DHT.
Definition: dht_api.c:1088
@ GNUNET_DHT_RO_DEMULTIPLEX_EVERYWHERE
Each peer along the way should process the request (otherwise only peers locally closest to the key w...
const struct GNUNET_DISK_FileHandle * GNUNET_DISK_pipe_handle(const struct GNUNET_DISK_PipeHandle *p, enum GNUNET_DISK_PipeEnd n)
Get the handle to a particular pipe end.
Definition: disk.c:1618
ssize_t GNUNET_DISK_file_read(const struct GNUNET_DISK_FileHandle *h, void *result, size_t len)
Read the contents of a binary file into a buffer.
Definition: disk.c:623
@ GNUNET_DISK_PIPE_END_READ
The reading-end of a pipe.
void GNUNET_GNSRECORD_query_from_private_key(const struct GNUNET_CRYPTO_PrivateKey *zone, const char *label, struct GNUNET_HashCode *query)
Calculate the DHT query for a given label in a given zone.
const char * GNUNET_h2s(const struct GNUNET_HashCode *hc)
Convert a hash value to a string (for printing debug messages).
struct GNUNET_SCHEDULER_Task * GNUNET_SCHEDULER_add_read_file(struct GNUNET_TIME_Relative delay, const struct GNUNET_DISK_FileHandle *rfd, GNUNET_SCHEDULER_TaskCallback task, void *task_cls)
Schedule a new task to be run with a specified delay or when the specified file descriptor is ready f...
Definition: scheduler.c:1660
#define GNUNET_TIME_UNIT_FOREVER_REL
Constant used to specify "forever".
@ GNUNET_BLOCK_TYPE_GNS_NAMERECORD
Block for storing GNS record data.
Handle used to access files (and pipes).
A 512-bit hashcode.

References DHT_GNS_REPLICATION_LEVEL, dht_handle, dht_jobs_head, dht_jobs_tail, dht_put_continuation(), free_job(), GNUNET_assert, GNUNET_BLOCK_TYPE_GNS_NAMERECORD, GNUNET_CONTAINER_DLL_insert, GNUNET_CONTAINER_DLL_remove, GNUNET_DHT_put(), GNUNET_DHT_RO_DEMULTIPLEX_EVERYWHERE, GNUNET_DISK_file_read(), GNUNET_DISK_PIPE_END_READ, GNUNET_DISK_pipe_handle(), GNUNET_ERROR_TYPE_DEBUG, GNUNET_ERROR_TYPE_WARNING, GNUNET_GNSRECORD_query_from_private_key(), GNUNET_h2s(), GNUNET_log, GNUNET_NO, GNUNET_SCHEDULER_add_read_file(), GNUNET_STATISTICS_update(), GNUNET_TIME_UNIT_FOREVER_REL, job, notification_pipe, notification_pipe_cb(), pipe_read_task, refresh_block(), sign_results_head, sign_results_lock, sign_results_tail, and statistics.

Referenced by notification_pipe_cb().

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◆ zone_iteration_error()

static void zone_iteration_error ( void *  cls)
static

We encountered an error in our zone iteration.

Parameters
clsNULL

Definition at line 965 of file gnunet-service-zonemaster.c.

966{
967 (void) cls;
969 "Got disconnected from namestore database, retrying.\n");
970 namestore_iter = NULL;
971 /* We end up here on error/disconnect/shutdown, so potentially
972 while a zone publish task or a DHT put is still running; hence
973 we need to cancel those. */
974 if (NULL != zone_publish_task)
975 {
977 zone_publish_task = NULL;
978 }
980 NULL);
981}
static void publish_zone_dht_start(void *cls)
Periodically iterate over our zone and store everything in dht.

References GNUNET_ERROR_TYPE_DEBUG, GNUNET_log, GNUNET_SCHEDULER_add_now(), GNUNET_SCHEDULER_cancel(), namestore_iter, publish_zone_dht_start(), and zone_publish_task.

Referenced by publish_zone_dht_start().

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◆ zone_iteration_finished()

static void zone_iteration_finished ( void *  cls)
static

Zone iteration is completed.

Parameters
clsNULL

Definition at line 990 of file gnunet-service-zonemaster.c.

991{
992 (void) cls;
993 /* we're done with one iteration, calculate when to do the next one */
994 namestore_iter = NULL;
999 /* reset for next iteration */
1003 "Zone iteration finished. Adjusted zone iteration interval to %s\n",
1006 GNUNET_YES));
1008 "Target zone iteration velocity (μs)",
1010 GNUNET_NO);
1012 "Number of public records in DHT",
1014 GNUNET_NO);
1016 if (0 == last_num_public_records)
1017 {
1021 NULL);
1022 }
1023 else
1024 {
1026 NULL);
1027 }
1028}

References calculate_put_interval(), first_zone_iteration, GNUNET_assert, GNUNET_ERROR_TYPE_DEBUG, GNUNET_log, GNUNET_NO, GNUNET_SCHEDULER_add_delayed(), GNUNET_SCHEDULER_add_now(), GNUNET_STATISTICS_set(), GNUNET_STRINGS_relative_time_to_string(), GNUNET_TIME_UNIT_FOREVER_REL, GNUNET_YES, last_min_relative_record_time, last_num_public_records, min_relative_record_time, namestore_iter, num_public_records, publish_zone_dht_start(), GNUNET_TIME_Relative::rel_value_us, statistics, target_iteration_velocity_per_record, and zone_publish_task.

Referenced by publish_zone_dht_start().

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◆ handle_record()

static void handle_record ( void *  cls,
const struct GNUNET_CRYPTO_PrivateKey key,
const char *  label,
unsigned int  rd_count,
const struct GNUNET_GNSRECORD_Data rd,
struct GNUNET_TIME_Absolute  expire 
)
static

Function used to put all records successively into the DHT.

Parameters
clsthe closure (NULL)
keythe private key of the authority (ours)
labelthe name of the records, NULL once the iteration is done
rd_countthe number of records in rd
rdthe record data

Definition at line 1041 of file gnunet-service-zonemaster.c.

1047{
1048 (void) cls;
1050 if (0 == rd_count)
1051 {
1053 "Record set empty, moving to next record set\n");
1055 return;
1056 }
1057 for (unsigned int i = 0; i < rd_count; i++)
1058 {
1059 if (0 != (rd[i].flags & GNUNET_GNSRECORD_RF_RELATIVE_EXPIRATION))
1060 {
1061 /* GNUNET_GNSRECORD_block_create will convert to absolute time;
1062 we just need to adjust our iteration frequency */
1064 GNUNET_MIN (rd[i].expiration_time,
1066 }
1067 }
1068
1069
1070 /* We got a set of records to publish */
1072 "Starting DHT PUT\n");
1073 put_cnt++;
1074 if (0 == put_cnt % DELTA_INTERVAL)
1077 label,
1078 rd,
1079 rd_count,
1080 expire);
1083}
#define DELTA_INTERVAL
How often do we measure the delta between desired zone iteration speed and actual speed,...
static void dispatch_job(const struct GNUNET_CRYPTO_PrivateKey *key, const char *label, const struct GNUNET_GNSRECORD_Data *rd, unsigned int rd_count, const struct GNUNET_TIME_Absolute expire)
Store GNS records in the DHT.
@ GNUNET_GNSRECORD_RF_RELATIVE_EXPIRATION
This expiration time of the record is a relative time (not an absolute time).
#define GNUNET_MIN(a, b)

References check_zone_namestore_next(), DELTA_INTERVAL, dispatch_job(), expire, GNUNET_ERROR_TYPE_DEBUG, GNUNET_GNSRECORD_RF_RELATIVE_EXPIRATION, GNUNET_log, GNUNET_MIN, job_queue_length, key, min_relative_record_time, ns_iteration_left, put_cnt, rd, rd_count, GNUNET_TIME_Relative::rel_value_us, and update_velocity().

Referenced by publish_zone_dht_start().

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◆ dispatch_job_monitor()

static void dispatch_job_monitor ( const struct GNUNET_CRYPTO_PrivateKey key,
const char *  label,
const struct GNUNET_GNSRECORD_Data rd,
unsigned int  rd_count,
struct GNUNET_TIME_Absolute  expire 
)
static

Store GNS records in the DHT.

Parameters
keykey of the zone
labellabel to store under
rd_publicpublic record data
rd_public_countnumber of records in rd_public

Definition at line 1129 of file gnunet-service-zonemaster.c.

1134{
1135 struct GNUNET_GNSRECORD_Data rd_public[rd_count];
1136 struct GNUNET_GNSRECORD_Block *block;
1137 struct GNUNET_GNSRECORD_Block *block_priv;
1138 struct GNUNET_TIME_Absolute expire_pub;
1139 struct RecordPublicationJob *job;
1140 size_t block_size;
1141 unsigned int rd_public_count = 0;
1142 char *emsg;
1143
1144 if (GNUNET_OK !=
1146 rd,
1147 rd_count,
1148 rd_public,
1149 &rd_public_count,
1150 &expire_pub,
1152 &emsg))
1153 {
1155 "%s\n", emsg);
1156 GNUNET_free (emsg);
1157 }
1158
1160 expire_pub,
1161 label,
1162 rd_public,
1163 rd_public_count,
1164 &block));
1165 if (NULL == block)
1166 {
1167 GNUNET_break (0);
1168 return; /* whoops */
1169 }
1170 if (rd_count != rd_public_count)
1172 expire,
1173 label,
1174 rd,
1175 rd_count,
1176 &
1177 block_priv));
1178 else
1179 block_priv = block;
1181 GNUNET_assert (0 == pthread_mutex_lock (&sign_jobs_lock));
1183 job->block = block;
1184 job->block_size = block_size;
1185 job->block_priv = block_priv;
1186 job->zone = *key;
1187 job->label = GNUNET_strdup (label);
1188 job->expire_pub = expire_pub;
1190 GNUNET_assert (0 == pthread_cond_signal (&sign_jobs_cond));
1191 GNUNET_assert (0 == pthread_mutex_unlock (&sign_jobs_lock));
1192}

References RecordPublicationJob::block, RecordPublicationJob::block_priv, RecordPublicationJob::block_size, expire, RecordPublicationJob::expire_pub, GNUNET_assert, GNUNET_break, GNUNET_CONTAINER_DLL_insert, GNUNET_ERROR_TYPE_ERROR, GNUNET_free, GNUNET_GNSRECORD_block_create_unsigned(), GNUNET_GNSRECORD_block_get_size(), GNUNET_GNSRECORD_FILTER_OMIT_PRIVATE, GNUNET_GNSRECORD_normalize_record_set(), GNUNET_log, GNUNET_new, GNUNET_OK, GNUNET_strdup, job, key, RecordPublicationJob::label, rd, rd_count, sign_jobs_cond, sign_jobs_head, sign_jobs_lock, and sign_jobs_tail.

Referenced by handle_monitor_event().

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◆ handle_monitor_event()

static void handle_monitor_event ( void *  cls,
const struct GNUNET_CRYPTO_PrivateKey zone,
const char *  label,
unsigned int  rd_count,
const struct GNUNET_GNSRECORD_Data rd,
struct GNUNET_TIME_Absolute  expire 
)
static

Process a record that was stored in the namestore (invoked by the monitor).

Parameters
clsclosure, NULL
zoneprivate key of the zone; NULL on disconnect
labellabel of the records; NULL on disconnect
rd_countnumber of entries in rd array, 0 if label was deleted
rdarray of records with data to store
expireexpiration of this record set

Definition at line 1207 of file gnunet-service-zonemaster.c.

1213{
1214 (void) cls;
1216 "Namestore monitor events received",
1217 1,
1218 GNUNET_NO);
1220 "Received %u records for label `%s' via namestore monitor\n",
1221 rd_count,
1222 label);
1223 if (0 == rd_count)
1224 {
1226 1);
1227 return; /* nothing to do */
1228 }
1230 label,
1231 rd,
1232 rd_count,
1233 expire);
1236 {
1238 "Job queue length exceeded (%u/%u). Halting monitor.\n",
1242 return;
1243 }
1245 1);
1246}
static void dispatch_job_monitor(const struct GNUNET_CRYPTO_PrivateKey *key, const char *label, const struct GNUNET_GNSRECORD_Data *rd, unsigned int rd_count, struct GNUNET_TIME_Absolute expire)
Store GNS records in the DHT.

References dispatch_job_monitor(), expire, GNUNET_ERROR_TYPE_DEBUG, GNUNET_ERROR_TYPE_WARNING, GNUNET_log, GNUNET_NAMESTORE_zone_monitor_next(), GNUNET_NO, GNUNET_STATISTICS_update(), GNUNET_YES, job_queue_length, JOB_QUEUE_LIMIT, RecordPublicationJob::label, monitor_halted, rd, rd_count, statistics, zmon, and RecordPublicationJob::zone.

Referenced by run().

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◆ handle_monitor_error()

static void handle_monitor_error ( void *  cls)
static

The zone monitor encountered an IPC error trying to to get in sync.

Restart from the beginning.

Parameters
clsNULL

Definition at line 1256 of file gnunet-service-zonemaster.c.

1257{
1258 (void) cls;
1260 "Namestore monitor errors encountered",
1261 1,
1262 GNUNET_NO);
1263}

References GNUNET_NO, GNUNET_STATISTICS_update(), and statistics.

Referenced by run().

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◆ sign_worker()

static void * sign_worker ( void *  cls)
static

Definition at line 1267 of file gnunet-service-zonemaster.c.

1268{
1269 struct RecordPublicationJob *job;
1270 const struct GNUNET_DISK_FileHandle *fh;
1271
1273 while (GNUNET_YES != in_shutdown)
1274 {
1275 GNUNET_assert (0 == pthread_mutex_lock (&sign_jobs_lock));
1276 while (NULL == sign_jobs_head)
1277 GNUNET_assert (0 == pthread_cond_wait (&sign_jobs_cond, &sign_jobs_lock));
1278 if (GNUNET_YES == in_shutdown)
1279 {
1280 GNUNET_assert (0 == pthread_mutex_unlock (&sign_jobs_lock));
1281 return NULL;
1282 }
1284 "Taking on Job for %s\n", sign_jobs_head->label);
1287 GNUNET_assert (0 == pthread_mutex_unlock (&sign_jobs_lock));
1288 GNUNET_GNSRECORD_block_sign (&job->zone, job->label, job->block);
1289 if (job->block != job->block_priv)
1290 GNUNET_GNSRECORD_block_sign (&job->zone, job->label, job->block_priv);
1291 GNUNET_assert (0 == pthread_mutex_lock (&sign_results_lock));
1293 GNUNET_assert (0 == pthread_mutex_unlock (&sign_results_lock));
1294 job = NULL;
1296 "Done, notifying main thread through pipe!\n");
1297 GNUNET_DISK_file_write (fh, "!", 1);
1298 }
1299 return NULL;
1300}
ssize_t GNUNET_DISK_file_write(const struct GNUNET_DISK_FileHandle *h, const void *buffer, size_t n)
Write a buffer to a file.
Definition: disk.c:687
@ GNUNET_DISK_PIPE_END_WRITE
The writing-end of a pipe.
enum GNUNET_GenericReturnValue GNUNET_GNSRECORD_block_sign(const struct GNUNET_CRYPTO_PrivateKey *key, const char *label, struct GNUNET_GNSRECORD_Block *block)
Sign a block create with GNUNET_GNSRECORD_block_create_unsigned.

References GNUNET_assert, GNUNET_CONTAINER_DLL_insert, GNUNET_CONTAINER_DLL_remove, GNUNET_DISK_file_write(), GNUNET_DISK_PIPE_END_WRITE, GNUNET_DISK_pipe_handle(), GNUNET_ERROR_TYPE_DEBUG, GNUNET_GNSRECORD_block_sign(), GNUNET_log, GNUNET_YES, in_shutdown, job, RecordPublicationJob::label, notification_pipe, sign_jobs_cond, sign_jobs_head, sign_jobs_lock, sign_jobs_tail, sign_results_head, sign_results_lock, and sign_results_tail.

Referenced by run().

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◆ run()

static void run ( void *  cls,
const struct GNUNET_CONFIGURATION_Handle c,
struct GNUNET_SERVICE_Handle service 
)
static

Perform zonemaster duties: watch namestore, publish records.

Parameters
clsclosure
serverthe initialized server
cconfiguration to use

Start worker

Definition at line 1320 of file gnunet-service-zonemaster.c.

1323{
1324 unsigned long long max_parallel_bg_queries = 128;
1325 const struct GNUNET_DISK_FileHandle *np_fh;
1326
1327 (void) cls;
1328 (void) service;
1329 pthread_mutex_init (&sign_jobs_lock, NULL);
1330 pthread_mutex_init (&sign_results_lock, NULL);
1331 pthread_cond_init (&sign_jobs_cond, NULL);
1332 last_put_100 = GNUNET_TIME_absolute_get (); /* first time! */
1337 if (NULL == namestore_handle)
1338 {
1340 _ ("Failed to connect to the namestore!\n"));
1342 return;
1343 }
1345 "namecache",
1346 "DISABLE");
1348 {
1350 if (NULL == namecache)
1351 {
1353 _ ("Failed to connect to the namecache!\n"));
1355 return;
1356 }
1357 }
1359 "namestore",
1360 "CACHE_KEYS");
1362 if (GNUNET_OK ==
1364 "zonemaster",
1365 "ZONE_PUBLISH_TIME_WINDOW",
1367 {
1369 "Time window for zone iteration: %s\n",
1372 GNUNET_YES));
1373 }
1375 if (GNUNET_OK ==
1377 "zonemaster",
1378 "MAX_PARALLEL_BACKGROUND_QUERIES",
1379 &max_parallel_bg_queries))
1380 {
1382 "Number of allowed parallel background queries: %llu\n",
1383 max_parallel_bg_queries);
1384 }
1385 if (0 == max_parallel_bg_queries)
1386 max_parallel_bg_queries = 1;
1388 (unsigned int) max_parallel_bg_queries);
1389 if (NULL == dht_handle)
1390 {
1392 _ ("Could not connect to DHT!\n"));
1394 NULL);
1395 return;
1396 }
1397
1398 /* Schedule periodic put for our records. */
1400 statistics = GNUNET_STATISTICS_create ("zonemaster",
1401 c);
1403 "Target zone iteration velocity (μs)",
1405 GNUNET_NO);
1407 NULL);
1409 NULL,
1410 GNUNET_NO,
1412 NULL,
1414 NULL,
1415 NULL /* sync_cb */,
1416 NULL,
1420 GNUNET_break (NULL != zmon);
1421
1423 NULL);
1424
1426 np_fh = GNUNET_DISK_pipe_handle (
1430 np_fh,
1431 notification_pipe_cb, NULL);
1432
1433 {
1434 long long unsigned int worker_count = 1;
1435 if (GNUNET_OK !=
1437 "zonemaster",
1438 "WORKER_COUNT",
1439 &worker_count))
1440 {
1442 "Number of workers not defined falling back to 1\n");
1443 }
1444 worker = GNUNET_malloc (sizeof (pthread_t) * worker_count);
1446 for (int i = 0; i < worker_count; i++)
1447 {
1448 if (0 !=
1449 pthread_create (&worker[i],
1450 NULL,
1451 &sign_worker,
1452 NULL))
1453 {
1455 "pthread_create");
1457 }
1458 }
1459 }
1460}
static struct GNUNET_SERVICE_Handle * service
Handle to our service instance.
static void handle_monitor_event(void *cls, const struct GNUNET_CRYPTO_PrivateKey *zone, const char *label, unsigned int rd_count, const struct GNUNET_GNSRECORD_Data *rd, struct GNUNET_TIME_Absolute expire)
Process a record that was stored in the namestore (invoked by the monitor).
static void handle_monitor_error(void *cls)
The zone monitor encountered an IPC error trying to to get in sync.
#define NAMESTORE_MONITOR_QUEUE_LIMIT
How many events may the namestore give us before it has to wait for us to keep up?
static void shutdown_task(void *cls)
Task run during shutdown.
#define INITIAL_ZONE_ITERATION_INTERVAL
The initial interval in milliseconds btween puts in a zone iteration.
static int cache_keys
Optimize block insertion by caching map of private keys to public keys in memory?
static void * sign_worker(void *cls)
static pthread_t * worker
Our workers.
enum GNUNET_GenericReturnValue 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.
enum GNUNET_GenericReturnValue GNUNET_CONFIGURATION_get_value_yesno(const struct GNUNET_CONFIGURATION_Handle *cfg, const char *section, const char *option)
Get a configuration value that should be in a set of "YES" or "NO".
enum GNUNET_GenericReturnValue GNUNET_CONFIGURATION_get_value_time(const struct GNUNET_CONFIGURATION_Handle *cfg, const char *section, const char *option, struct GNUNET_TIME_Relative *time)
Get a configuration value that should be a relative time.
struct GNUNET_DHT_Handle * GNUNET_DHT_connect(const struct GNUNET_CONFIGURATION_Handle *cfg, unsigned int ht_len)
Initialize the connection with the DHT service.
Definition: dht_api.c:1037
#define GNUNET_DHT_DEFAULT_REPUBLISH_FREQUENCY
Default republication frequency for stored data in the DHT.
struct GNUNET_DISK_PipeHandle * GNUNET_DISK_pipe(enum GNUNET_DISK_PipeFlags pf)
Creates an interprocess channel.
Definition: disk.c:1445
@ GNUNET_DISK_PF_NONE
No special options, use non-blocking read/write operations.
#define GNUNET_log_strerror(level, cmd)
Log an error message at log-level 'level' that indicates a failure of the command 'cmd' with the mess...
#define GNUNET_malloc(size)
Wrapper around malloc.
struct GNUNET_NAMECACHE_Handle * GNUNET_NAMECACHE_connect(const struct GNUNET_CONFIGURATION_Handle *cfg)
Connect to the namecache service.
struct GNUNET_NAMESTORE_ZoneMonitor * GNUNET_NAMESTORE_zone_monitor_start2(const struct GNUNET_CONFIGURATION_Handle *cfg, const struct GNUNET_CRYPTO_PrivateKey *zone, int iterate_first, GNUNET_SCHEDULER_TaskCallback error_cb, void *error_cb_cls, GNUNET_NAMESTORE_RecordSetMonitor monitor, void *monitor_cls, GNUNET_SCHEDULER_TaskCallback sync_cb, void *sync_cb_cls, enum GNUNET_GNSRECORD_Filter filter)
Begin monitoring a zone for changes.
struct GNUNET_NAMESTORE_Handle * GNUNET_NAMESTORE_connect(const struct GNUNET_CONFIGURATION_Handle *cfg)
Connect to the namestore service.
void GNUNET_SCHEDULER_shutdown(void)
Request the shutdown of a scheduler.
Definition: scheduler.c:566
struct GNUNET_SCHEDULER_Task * GNUNET_SCHEDULER_add_shutdown(GNUNET_SCHEDULER_TaskCallback task, void *task_cls)
Schedule a new task to be run on shutdown, that is when a CTRL-C signal is received,...
Definition: scheduler.c:1338
struct GNUNET_STATISTICS_Handle * GNUNET_STATISTICS_create(const char *subsystem, const struct GNUNET_CONFIGURATION_Handle *cfg)
Get handle for the statistics service.

References _, cache_keys, dht_handle, disable_namecache, first_zone_iteration, GNUNET_break, GNUNET_CONFIGURATION_get_value_number(), GNUNET_CONFIGURATION_get_value_time(), GNUNET_CONFIGURATION_get_value_yesno(), GNUNET_DHT_connect(), GNUNET_DHT_DEFAULT_REPUBLISH_FREQUENCY, GNUNET_DISK_PF_NONE, GNUNET_DISK_pipe(), GNUNET_DISK_PIPE_END_READ, GNUNET_DISK_pipe_handle(), GNUNET_ERROR_TYPE_DEBUG, GNUNET_ERROR_TYPE_ERROR, GNUNET_ERROR_TYPE_WARNING, GNUNET_GNSRECORD_FILTER_NONE, GNUNET_log, GNUNET_log_strerror, GNUNET_malloc, GNUNET_NAMECACHE_connect(), GNUNET_NAMESTORE_connect(), GNUNET_NAMESTORE_zone_monitor_next(), GNUNET_NAMESTORE_zone_monitor_start2(), GNUNET_NO, GNUNET_OK, GNUNET_SCHEDULER_add_now(), GNUNET_SCHEDULER_add_read_file(), GNUNET_SCHEDULER_add_shutdown(), GNUNET_SCHEDULER_shutdown(), GNUNET_STATISTICS_create(), GNUNET_STATISTICS_set(), GNUNET_STRINGS_relative_time_to_string(), GNUNET_TIME_absolute_get(), GNUNET_TIME_UNIT_FOREVER_REL, GNUNET_YES, handle_monitor_error(), handle_monitor_event(), INITIAL_ZONE_ITERATION_INTERVAL, last_put_100, min_relative_record_time, namecache, namestore_handle, NAMESTORE_MONITOR_QUEUE_LIMIT, notification_pipe, notification_pipe_cb(), pipe_read_task, publish_zone_dht_start(), GNUNET_TIME_Relative::rel_value_us, service, shutdown_task(), sign_jobs_cond, sign_jobs_lock, sign_results_lock, sign_worker(), statistics, target_iteration_velocity_per_record, worker, zmon, zone_publish_task, zone_publish_time_window, and zone_publish_time_window_default.

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◆ GNUNET_SERVICE_MAIN()

GNUNET_SERVICE_MAIN ( "zonemaster"  ,
GNUNET_SERVICE_OPTION_NONE  ,
run,
NULL  ,
NULL  ,
NULL  ,
GNUNET_MQ_handler_end()   
)

Define "main" method using service macro.

Variable Documentation

◆ worker

pthread_t* worker
static

Our workers.

Definition at line 96 of file gnunet-service-zonemaster.c.

Referenced by run().

◆ sign_jobs_lock

pthread_mutex_t sign_jobs_lock
static

Lock for the sign jobs queue.

Definition at line 101 of file gnunet-service-zonemaster.c.

Referenced by dispatch_job(), dispatch_job_monitor(), run(), shutdown_task(), and sign_worker().

◆ sign_results_lock

pthread_mutex_t sign_results_lock
static

Lock for the DHT put jobs queue.

Definition at line 106 of file gnunet-service-zonemaster.c.

Referenced by initiate_put_from_pipe_trigger(), run(), shutdown_task(), and sign_worker().

◆ sign_jobs_cond

pthread_cond_t sign_jobs_cond
static

Wait condition on new sign jobs.

Definition at line 111 of file gnunet-service-zonemaster.c.

Referenced by dispatch_job(), dispatch_job_monitor(), run(), and sign_worker().

◆ in_shutdown

int in_shutdown = GNUNET_NO
static

For threads to know we are shutting down.

Definition at line 116 of file gnunet-service-zonemaster.c.

Referenced by shutdown_task(), and sign_worker().

◆ monitor_halted

int monitor_halted = GNUNET_NO
static

Monitor halted?

Definition at line 121 of file gnunet-service-zonemaster.c.

Referenced by dht_put_continuation(), and handle_monitor_event().

◆ notification_pipe

struct GNUNET_DISK_PipeHandle* notification_pipe
static

Our notification pipe.

Definition at line 126 of file gnunet-service-zonemaster.c.

Referenced by initiate_put_from_pipe_trigger(), run(), shutdown_task(), and sign_worker().

◆ pipe_read_task

struct GNUNET_SCHEDULER_Task* pipe_read_task
static

Pipe read task.

Definition at line 131 of file gnunet-service-zonemaster.c.

Referenced by initiate_put_from_pipe_trigger(), run(), and shutdown_task().

◆ sign_jobs_head

struct RecordPublicationJob* sign_jobs_head
static

The DLL for workers to retrieve open jobs that require signing of blocks.

Definition at line 193 of file gnunet-service-zonemaster.c.

Referenced by dispatch_job(), dispatch_job_monitor(), shutdown_task(), and sign_worker().

◆ sign_jobs_tail

struct RecordPublicationJob* sign_jobs_tail
static

See above.

Definition at line 198 of file gnunet-service-zonemaster.c.

Referenced by dispatch_job(), dispatch_job_monitor(), shutdown_task(), and sign_worker().

◆ sign_results_head

struct RecordPublicationJob* sign_results_head
static

The DLL for workers to place jobs that are signed.

Definition at line 203 of file gnunet-service-zonemaster.c.

Referenced by initiate_put_from_pipe_trigger(), shutdown_task(), and sign_worker().

◆ sign_results_tail

struct RecordPublicationJob* sign_results_tail
static

See above.

Definition at line 208 of file gnunet-service-zonemaster.c.

Referenced by initiate_put_from_pipe_trigger(), shutdown_task(), and sign_worker().

◆ dht_jobs_head

struct RecordPublicationJob* dht_jobs_head
static

The DLL for jobs currently in the process of being dispatched into the DHT.

Definition at line 214 of file gnunet-service-zonemaster.c.

Referenced by dht_put_continuation(), initiate_put_from_pipe_trigger(), and shutdown_task().

◆ dht_jobs_tail

struct RecordPublicationJob* dht_jobs_tail
static

See above.

Definition at line 219 of file gnunet-service-zonemaster.c.

Referenced by dht_put_continuation(), initiate_put_from_pipe_trigger(), and shutdown_task().

◆ statistics

◆ dht_handle

struct GNUNET_DHT_Handle* dht_handle
static

Our handle to the DHT.

Definition at line 253 of file gnunet-service-zonemaster.c.

Referenced by initiate_put_from_pipe_trigger(), run(), and shutdown_task().

◆ namestore_handle

struct GNUNET_NAMESTORE_Handle* namestore_handle
static

Our handle to the namestore service.

Definition at line 258 of file gnunet-service-zonemaster.c.

Referenced by publish_zone_dht_start(), run(), and shutdown_task().

◆ zmon

struct GNUNET_NAMESTORE_ZoneMonitor* zmon
static

Handle to monitor namestore changes to instant propagation.

Definition at line 263 of file gnunet-service-zonemaster.c.

Referenced by dht_put_continuation(), handle_monitor_event(), run(), and shutdown_task().

◆ namecache

struct GNUNET_NAMECACHE_Handle* namecache
static

Our handle to the namecache service.

Definition at line 268 of file gnunet-service-zonemaster.c.

Referenced by refresh_block(), run(), and shutdown_task().

◆ disable_namecache

int disable_namecache
static

Use the namecache? Doing so creates additional cryptographic operations whenever we touch a record.

Definition at line 274 of file gnunet-service-zonemaster.c.

Referenced by refresh_block(), and run().

◆ namestore_iter

struct GNUNET_NAMESTORE_ZoneIterator* namestore_iter
static

Handle to iterate over our authoritative zone in namestore.

Definition at line 279 of file gnunet-service-zonemaster.c.

Referenced by publish_zone_dht_start(), publish_zone_namestore_next(), shutdown_task(), zone_iteration_error(), and zone_iteration_finished().

◆ job_queue_length

unsigned int job_queue_length
static

Number of entries in the job queue #jobs_head.

Definition at line 284 of file gnunet-service-zonemaster.c.

Referenced by check_zone_namestore_next(), dht_put_continuation(), handle_monitor_event(), handle_record(), shutdown_task(), and update_velocity().

◆ num_public_records

unsigned long long num_public_records
static

Useful for zone update for DHT put.

Definition at line 289 of file gnunet-service-zonemaster.c.

Referenced by calculate_put_interval(), dispatch_job(), publish_zone_dht_start(), update_velocity(), and zone_iteration_finished().

◆ last_num_public_records

unsigned long long last_num_public_records
static

Last seen record count.

Definition at line 294 of file gnunet-service-zonemaster.c.

Referenced by calculate_put_interval(), update_velocity(), and zone_iteration_finished().

◆ put_cnt

unsigned long long put_cnt
static

Number of successful put operations performed in the current measurement cycle (as measured in check_zone_namestore_next()).

Definition at line 300 of file gnunet-service-zonemaster.c.

Referenced by check_zone_namestore_next(), and handle_record().

◆ target_iteration_velocity_per_record

struct GNUNET_TIME_Relative target_iteration_velocity_per_record
static

What is the frequency at which we currently would like to perform DHT puts (per record)? Calculated in update_velocity() from the zone_publish_time_window() and the total number of record sets we have (so far) observed in the zone.

Definition at line 309 of file gnunet-service-zonemaster.c.

Referenced by calculate_put_interval(), check_zone_namestore_next(), run(), update_velocity(), and zone_iteration_finished().

◆ min_relative_record_time

struct GNUNET_TIME_Relative min_relative_record_time
static

Minimum relative expiration time of records seem during the current zone iteration.

Definition at line 315 of file gnunet-service-zonemaster.c.

Referenced by calculate_put_interval(), handle_record(), run(), and zone_iteration_finished().

◆ last_min_relative_record_time

struct GNUNET_TIME_Relative last_min_relative_record_time
static

Minimum relative expiration time of records seem during the last zone iteration.

Definition at line 321 of file gnunet-service-zonemaster.c.

Referenced by calculate_put_interval(), and zone_iteration_finished().

◆ zone_publish_time_window_default

struct GNUNET_TIME_Relative zone_publish_time_window_default
static

Default time window for zone iteration.

Definition at line 326 of file gnunet-service-zonemaster.c.

Referenced by calculate_put_interval(), and run().

◆ zone_publish_time_window

struct GNUNET_TIME_Relative zone_publish_time_window
static

Time window for zone iteration, adjusted based on relative record expiration times in our zone.

Definition at line 332 of file gnunet-service-zonemaster.c.

Referenced by calculate_put_interval(), and run().

◆ last_put_100

struct GNUNET_TIME_Absolute last_put_100
static

When did we last start measuring the DELTA_INTERVAL successful DHT puts? Used for velocity calculations.

Definition at line 338 of file gnunet-service-zonemaster.c.

Referenced by run(), and update_velocity().

◆ sub_delta

struct GNUNET_TIME_Relative sub_delta
static

By how much should we try to increase our per-record iteration speed (over the desired speed calculated directly from the #put_interval)? Basically this value corresponds to the per-record CPU time overhead we have.

Definition at line 346 of file gnunet-service-zonemaster.c.

Referenced by check_zone_namestore_next(), and update_velocity().

◆ zone_publish_task

◆ ns_iteration_left

unsigned int ns_iteration_left
static

How many more values are left for the current query before we need to explicitly ask the namestore for more?

Definition at line 357 of file gnunet-service-zonemaster.c.

Referenced by check_zone_namestore_next(), handle_record(), publish_zone_dht_start(), and publish_zone_namestore_next().

◆ first_zone_iteration

int first_zone_iteration
static

GNUNET_YES if zone has never been published before

Definition at line 362 of file gnunet-service-zonemaster.c.

Referenced by check_zone_namestore_next(), run(), update_velocity(), and zone_iteration_finished().

◆ cache_keys

int cache_keys
static

Optimize block insertion by caching map of private keys to public keys in memory?

Definition at line 368 of file gnunet-service-zonemaster.c.

Referenced by run().

◆ cop_head

struct CacheOperation* cop_head
static

Head of cop DLL.

Definition at line 373 of file gnunet-service-zonemaster.c.

Referenced by finish_cache_operation(), refresh_block(), and shutdown_task().

◆ cop_tail

struct CacheOperation* cop_tail
static

Tail of cop DLL.

Definition at line 378 of file gnunet-service-zonemaster.c.

Referenced by finish_cache_operation(), refresh_block(), and shutdown_task().