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gnunet-service-dht.c File Reference

GNUnet DHT service. More...

Include dependency graph for gnunet-service-dht.c:

Go to the source code of this file.

Data Structures

struct  GDS_Underlay
 Information we keep per underlay. More...
 
struct  MyAddress
 An address of this peer. More...
 
struct  PilsRequest
 DLL. More...
 

Macros

#define HELLO_FREQUENCY   GNUNET_TIME_UNIT_HOURS
 How often do we broadcast our HELLO to neighbours if nothing special happens?
 

Functions

static void update_network_size_estimate (void *cls, struct GNUNET_TIME_Absolute timestamp, double logestimate, double std_dev)
 Callback that is called when network size estimate is updated.
 
double GDS_NSE_get (void)
 Return the current NSE.
 
static void u_address_add (void *cls, const char *address, struct GNUNET_DHTU_Source *source, void **ctx)
 Function to call with new addresses of this peer.
 
static void u_address_del (void *ctx)
 Function to call with expired addresses of this peer.
 
void GDS_u_try_connect (const struct GNUNET_PeerIdentity *pid, const char *address)
 Ask all underlays to connect to peer pid at address.
 
void GDS_u_send (struct GDS_Underlay *u, struct GNUNET_DHTU_Target *target, const void *msg, size_t msg_size, GNUNET_SCHEDULER_TaskCallback finished_cb, void *finished_cb_cls)
 Send message to some other participant over the network.
 
void GDS_u_drop (struct GDS_Underlay *u, struct GNUNET_DHTU_PreferenceHandle *ph)
 Drop a hold ph from underlay u.
 
struct GNUNET_DHTU_PreferenceHandleGDS_u_hold (struct GDS_Underlay *u, struct GNUNET_DHTU_Target *target)
 Create a hold on target at underlay u.
 
static void shutdown_task (void *cls)
 Task run during shutdown.
 
static void load_underlay (void *cls, const char *section)
 Function iterating over all configuration sections.
 
static void pid_change_cb (void *cls, const struct GNUNET_HELLO_Parser *parser, const struct GNUNET_HashCode *hash)
 
static void run (void *cls, const struct GNUNET_CONFIGURATION_Handle *c, struct GNUNET_SERVICE_Handle *service)
 Process dht requests.
 
 GNUNET_SERVICE_MAIN (GNUNET_OS_project_data_gnunet(), "dht", GNUNET_SERVICE_OPTION_NONE, &run, &client_connect_cb, &client_disconnect_cb, NULL, GNUNET_MQ_hd_var_size(dht_local_put, GNUNET_MESSAGE_TYPE_DHT_CLIENT_PUT, struct GNUNET_DHT_ClientPutMessage, NULL), GNUNET_MQ_hd_var_size(dht_local_get, GNUNET_MESSAGE_TYPE_DHT_CLIENT_GET, struct GNUNET_DHT_ClientGetMessage, NULL), GNUNET_MQ_hd_fixed_size(dht_local_get_stop, GNUNET_MESSAGE_TYPE_DHT_CLIENT_GET_STOP, struct GNUNET_DHT_ClientGetStopMessage, NULL), GNUNET_MQ_hd_fixed_size(dht_local_monitor, GNUNET_MESSAGE_TYPE_DHT_MONITOR_START, struct GNUNET_DHT_MonitorStartStopMessage, NULL), GNUNET_MQ_hd_fixed_size(dht_local_monitor_stop, GNUNET_MESSAGE_TYPE_DHT_MONITOR_STOP, struct GNUNET_DHT_MonitorStartStopMessage, NULL), GNUNET_MQ_hd_var_size(dht_local_get_result_seen, GNUNET_MESSAGE_TYPE_DHT_CLIENT_GET_RESULTS_KNOWN, struct GNUNET_DHT_ClientGetResultSeenMessage, NULL), GNUNET_MQ_hd_fixed_size(dht_local_hello_get, GNUNET_MESSAGE_TYPE_DHT_CLIENT_HELLO_GET, struct GNUNET_MessageHeader, NULL), GNUNET_MQ_hd_var_size(dht_local_hello_offer, GNUNET_MESSAGE_TYPE_DHT_CLIENT_HELLO_URL, struct GNUNET_MessageHeader, NULL), GNUNET_MQ_handler_end())
 

Variables

static struct PilsRequestpils_requests_head
 PILS Operation DLL.
 
static struct PilsRequestpils_requests_tail
 PILS Operation DLL.
 
struct GNUNET_MessageHeaderGDS_my_hello
 Our HELLO.
 
struct GNUNET_PeerIdentity GDS_my_identity
 Identity of this peer.
 
struct GNUNET_HashCode GDS_my_identity_hash
 Hash of the identity of this peer.
 
struct GNUNET_CRYPTO_EddsaPrivateKey GDS_my_private_key
 Our private key.
 
static struct GDS_Underlayu_head
 Handles for the DHT underlays.
 
static struct GDS_Underlayu_tail
 Handles for the DHT underlays.
 
static struct MyAddressa_head
 Head of addresses of this peer.
 
static struct MyAddressa_tail
 Tail of addresses of this peer.
 
static double log_of_network_size_estimate
 log of the current network size estimate, used as the point where we switch between random and deterministic routing.
 

Detailed Description

GNUnet DHT service.

Author
Christian Grothoff
Nathan Evans

Definition in file gnunet-service-dht.c.

Macro Definition Documentation

◆ HELLO_FREQUENCY

#define HELLO_FREQUENCY   GNUNET_TIME_UNIT_HOURS

How often do we broadcast our HELLO to neighbours if nothing special happens?

Definition at line 45 of file gnunet-service-dht.c.

Function Documentation

◆ update_network_size_estimate()

static void update_network_size_estimate ( void *  cls,
struct GNUNET_TIME_Absolute  timestamp,
double  logestimate,
double  std_dev 
)
static

Callback that is called when network size estimate is updated.

Parameters
clsa struct GDS_Underlay
timestamptime when the estimate was received from the server (or created by the server)
logestimatethe log(Base 2) value of the current network size estimate
std_devstandard deviation for the estimate

Definition at line 206 of file gnunet-service-dht.c.

210{
211 struct GDS_Underlay *u = cls;
212 double sum = 0.0;
213
215 "# Network size estimates received",
216 1,
217 GNUNET_NO);
218 /* do not allow estimates < 0.5 */
219 u->network_size_estimate = pow (2.0,
220 GNUNET_MAX (0.5,
221 logestimate));
222 for (struct GDS_Underlay *p = u_head; NULL != p; p = p->next)
223 sum += p->network_size_estimate;
224 if (sum <= 2.0)
226 else
227 log_of_network_size_estimate = log2 (sum);
228}
static mp_limb_t u[(((256)+GMP_NUMB_BITS - 1)/GMP_NUMB_BITS)]
static struct GDS_Underlay * u_head
Handles for the DHT underlays.
static double log_of_network_size_estimate
log of the current network size estimate, used as the point where we switch between random and determ...
struct GNUNET_STATISTICS_Handle * GDS_stats
Handle for the statistics service.
static struct GNUNET_OS_Process * p
Helper process we started.
Definition gnunet-uri.c:38
#define GNUNET_MAX(a, b)
@ GNUNET_NO
void GNUNET_STATISTICS_update(struct GNUNET_STATISTICS_Handle *handle, const char *name, int64_t delta, int make_persistent)
Set statistic value for the peer.
Information we keep per underlay.

References GDS_stats, GNUNET_MAX, GNUNET_NO, GNUNET_STATISTICS_update(), log_of_network_size_estimate, p, u, and u_head.

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◆ GDS_NSE_get()

double GDS_NSE_get ( void  )

Return the current NSE.

Returns
the current NSE as a logarithm

Definition at line 237 of file gnunet-service-dht.c.

238{
240}

References log_of_network_size_estimate.

Referenced by get_forward_count(), handle_find_local_hello(), and select_peer().

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◆ u_address_add()

static void u_address_add ( void *  cls,
const char *  address,
struct GNUNET_DHTU_Source source,
void **  ctx 
)
static

Function to call with new addresses of this peer.

Parameters
clsthe closure
addressaddress under which we are likely reachable, pointer will remain valid until address_del_cb is called; to be used for HELLOs. Example: "ip+udp://$PID/1.1.1.1:2086/"
sourcehandle for sending from this address, NULL if we can only receive
[out]ctxstorage space for DHT to use in association with this address

Definition at line 256 of file gnunet-service-dht.c.

260{
261 struct GDS_Underlay *u = cls;
262 struct MyAddress *a;
263
265 "Underlay adds address %s for this peer\n",
266 address);
267 a = GNUNET_new (struct MyAddress);
268 a->source = source;
270 a->u = u;
272 a_tail,
273 a);
274 *ctx = a;
275
276}
static char * address
GNS address for this phone.
static struct GNUNET_FS_Handle * ctx
static GstElement * source
Appsrc instance into which we write data for the pipeline.
static struct MyAddress * a_head
Head of addresses of this peer.
static struct MyAddress * a_tail
Tail of addresses of this peer.
#define GNUNET_CONTAINER_DLL_insert(head, tail, element)
Insert an element at the head of a DLL.
#define GNUNET_log(kind,...)
@ GNUNET_ERROR_TYPE_INFO
#define GNUNET_strdup(a)
Wrapper around GNUNET_xstrdup_.
#define GNUNET_new(type)
Allocate a struct or union of the given type.
An address of this peer.
char * url
Textual representation of the address.
struct GDS_Underlay * u
Underlay of this address.
struct GNUNET_DHTU_Source * source
Underlay handle for the address.

References a_head, a_tail, address, ctx, GNUNET_CONTAINER_DLL_insert, GNUNET_ERROR_TYPE_INFO, GNUNET_log, GNUNET_new, GNUNET_strdup, source, MyAddress::source, u, MyAddress::u, and MyAddress::url.

Referenced by load_underlay().

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◆ u_address_del()

static void u_address_del ( void *  ctx)
static

Function to call with expired addresses of this peer.

Parameters
[in]ctxstorage space used by the DHT in association with this address

Definition at line 285 of file gnunet-service-dht.c.

286{
287 struct MyAddress *a = ctx;
288
290 "Underlay deletes address %s for this peer\n",
291 a->url);
293 a_tail,
294 a);
295 GNUNET_free (a->url);
296 GNUNET_free (a);
297}
#define GNUNET_CONTAINER_DLL_remove(head, tail, element)
Remove an element from a DLL.
#define GNUNET_free(ptr)
Wrapper around free.

References a_head, a_tail, ctx, GNUNET_CONTAINER_DLL_remove, GNUNET_ERROR_TYPE_INFO, GNUNET_free, GNUNET_log, and MyAddress::url.

Referenced by load_underlay().

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◆ GDS_u_try_connect()

void GDS_u_try_connect ( const struct GNUNET_PeerIdentity pid,
const char *  address 
)

Ask all underlays to connect to peer pid at address.

Parameters
pididentity of the peer we would connect to
addressan address of pid

Definition at line 301 of file gnunet-service-dht.c.

303{
304 for (struct GDS_Underlay *u = u_head;
305 NULL != u;
306 u = u->next)
307 u->dhtu->try_connect (u->dhtu->cls,
308 pid,
309 address);
310}
static struct GNUNET_PeerIdentity pid
Identity of the peer we transmit to / connect to.
struct GDS_Underlay * next
Kept in a DLL.

References address, GDS_Underlay::next, pid, u, and u_head.

Referenced by GDS_try_connect().

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◆ GDS_u_send()

void GDS_u_send ( struct GDS_Underlay u,
struct GNUNET_DHTU_Target target,
const void *  msg,
size_t  msg_size,
GNUNET_SCHEDULER_TaskCallback  finished_cb,
void *  finished_cb_cls 
)

Send message to some other participant over the network.

Note that sending is not guaranteeing that the other peer actually received the message. For any given target, the DHT must wait for the finished_cb to be called before calling send() again.

Parameters
uunderlay to use for transmission
targetreceiver identification
msgmessage
msg_sizenumber of bytes in msg
finished_cbfunction called once transmission is done (not called if target disconnects, then only the disconnect_cb is called).
finished_cb_clsclosure for finished_cb

Definition at line 314 of file gnunet-service-dht.c.

320{
321 u->dhtu->send (u->dhtu->cls,
322 target,
323 msg,
324 msg_size,
326 finished_cb_cls);
327}
struct GNUNET_MessageHeader * msg
Definition 005.c:2
static void finished_cb(void *cls, enum GNUNET_GenericReturnValue rv)

References finished_cb(), msg, and u.

Referenced by do_send().

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◆ GDS_u_drop()

void GDS_u_drop ( struct GDS_Underlay u,
struct GNUNET_DHTU_PreferenceHandle ph 
)

Drop a hold ph from underlay u.

Parameters
uthe underlay controlling the hold
phthe preference handle

Definition at line 331 of file gnunet-service-dht.c.

333{
334 u->dhtu->drop (ph);
335}

References u.

Referenced by GDS_u_disconnect().

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◆ GDS_u_hold()

struct GNUNET_DHTU_PreferenceHandle * GDS_u_hold ( struct GDS_Underlay u,
struct GNUNET_DHTU_Target target 
)

Create a hold on target at underlay u.

Parameters
uthe underlay controlling the target
targetthe peer to hold the connection to

Definition at line 339 of file gnunet-service-dht.c.

341{
342 return u->dhtu->hold (u->dhtu->cls,
343 target);
344}

References GNUNET_DHTU_PreferenceHandle::target, and u.

Referenced by update_hold().

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◆ shutdown_task()

static void shutdown_task ( void *  cls)
static

Task run during shutdown.

Parameters
clsunused

Definition at line 353 of file gnunet-service-dht.c.

354{
355 struct GDS_Underlay *u;
356 struct PilsRequest *pr;
357
358 while (NULL != (u = u_head))
359 {
361 u_tail,
362 u);
363 if (0 == strcmp (u->name, "gnunet"))
364 {
365 DHTU_gnunet_done (u->dhtu);
366 }
367#ifdef LINUX
368 else if (0 == strcmp (u->name, "ip"))
369 {
370 DHTU_ip_done (u->dhtu);
371 }
372#endif
373 else
374 {
375 GNUNET_assert (0);
376 }
377 GNUNET_free (u->name);
378 GNUNET_free (u);
379 }
383 if (NULL != GDS_block_context)
384 {
386 GDS_block_context = NULL;
387 }
389 if (NULL != GDS_stats)
390 {
392 GNUNET_YES);
393 GDS_stats = NULL;
394 }
395 if (NULL != GDS_my_hello)
396 {
398 GDS_my_hello = NULL;
399 }
400 while (NULL != (pr = pils_requests_head))
401 {
404 pr);
405 if (NULL != pr->op)
407 GNUNET_free (pr);
408 }
409 if (NULL != GDS_pils)
410 {
412 GDS_pils = NULL;
413 }
414}
struct GNUNET_MessageHeader * GDS_my_hello
Our HELLO.
static struct PilsRequest * pils_requests_head
PILS Operation DLL.
static struct GDS_Underlay * u_tail
Handles for the DHT underlays.
static struct PilsRequest * pils_requests_tail
PILS Operation DLL.
struct GNUNET_PILS_Handle * GDS_pils
Handle for the pils service.
struct GNUNET_BLOCK_Context * GDS_block_context
Our handle to the BLOCK library.
void GDS_CLIENTS_stop(void)
Shutdown client subsystem.
void GDS_DATACACHE_done()
Shutdown datacache subsystem.
void GDS_NEIGHBOURS_done()
Shutdown neighbours subsystem.
void GDS_ROUTING_done()
Shutdown routing subsystem.
void GNUNET_PILS_disconnect(struct GNUNET_PILS_Handle *handle)
Disconnect from the PILS service.
Definition pils_api.c:390
void GNUNET_PILS_cancel(struct GNUNET_PILS_Operation *op)
Cancel request.
Definition pils_api.c:495
void GNUNET_BLOCK_context_destroy(struct GNUNET_BLOCK_Context *ctx)
Destroy the block context.
Definition block.c:158
@ GNUNET_YES
#define GNUNET_assert(cond)
Use this for fatal errors that cannot be handled.
void GNUNET_STATISTICS_destroy(struct GNUNET_STATISTICS_Handle *h, int sync_first)
Destroy a handle (free all state associated with it).
void * DHTU_gnunet_done(struct GNUNET_DHTU_PluginFunctions *api)
Exit point from the plugin.
void * DHTU_ip_done(struct GNUNET_DHTU_PluginFunctions *api)
Exit point from the plugin.
struct GNUNET_PILS_Operation * op
The pils operation.

References DHTU_gnunet_done(), DHTU_ip_done(), GDS_block_context, GDS_CLIENTS_stop(), GDS_DATACACHE_done(), GDS_my_hello, GDS_NEIGHBOURS_done(), GDS_pils, GDS_ROUTING_done(), GDS_stats, GNUNET_assert, GNUNET_BLOCK_context_destroy(), GNUNET_CONTAINER_DLL_remove, GNUNET_free, GNUNET_PILS_cancel(), GNUNET_PILS_disconnect(), GNUNET_STATISTICS_destroy(), GNUNET_YES, PilsRequest::op, pils_requests_head, pils_requests_tail, u, u_head, and u_tail.

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◆ load_underlay()

static void load_underlay ( void *  cls,
const char *  section 
)
static

Function iterating over all configuration sections.

Loads plugins for enabled DHT underlays.

Parameters
clsNULL
sectionconfiguration section to inspect

NOTE: This is not pretty, but it allows us to avoid dynamically loading plugins

Definition at line 425 of file gnunet-service-dht.c.

427{
428 struct GDS_Underlay *u;
429
430 (void) cls;
431 if (0 != strncasecmp (section,
432 "dhtu-",
433 strlen ("dhtu-")))
434 return;
435 if (GNUNET_YES !=
437 section,
438 "ENABLED"))
439 return;
440 section += strlen ("dhtu-");
441 u = GNUNET_new (struct GDS_Underlay);
442 u->env.cls = u;
443 u->env.cfg = GDS_cfg;
444 u->env.address_add_cb = &u_address_add;
445 u->env.address_del_cb = &u_address_del;
446 u->env.network_size_cb = &update_network_size_estimate;
447 u->env.connect_cb = &GDS_u_connect;
448 u->env.disconnect_cb = &GDS_u_disconnect;
449 u->env.receive_cb = &GDS_u_receive;
450
453 if (0 == strcmp (section, "gnunet"))
454 {
455 u->dhtu = DHTU_gnunet_init (&u->env);
456 }
457#ifdef LINUX
458 else if (0 == strcmp (section, "ip"))
459 {
460 u->dhtu = DHTU_ip_init (&u->env);
461 }
462#endif
463 if (NULL == u->dhtu)
464 {
465 GNUNET_free (u);
466 return;
467 }
468 u->name = GNUNET_strdup (section);
470 u_tail,
471 u);
472}
static void u_address_add(void *cls, const char *address, struct GNUNET_DHTU_Source *source, void **ctx)
Function to call with new addresses of this peer.
static void u_address_del(void *ctx)
Function to call with expired addresses of this peer.
const struct GNUNET_CONFIGURATION_Handle * GDS_cfg
Configuration we use.
void GDS_u_disconnect(void *ctx)
Function to call when we disconnected from a peer and can henceforth cannot transmit to that peer any...
void GDS_u_connect(void *cls, struct GNUNET_DHTU_Target *target, const struct GNUNET_PeerIdentity *pid, void **ctx)
Function to call when we connect to a peer and can henceforth transmit to that peer.
void GDS_u_receive(void *cls, void **tctx, void **sctx, const void *message, size_t message_size)
Function to call when we receive a message.
static void update_network_size_estimate()
We've sent on our flood message or one that we received which was validated and closer than ours.
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".
struct GNUNET_DHTU_PluginFunctions * DHTU_gnunet_init(struct GNUNET_DHTU_PluginEnvironment *env)
Entry point for the plugin.
struct GNUNET_DHTU_PluginFunctions * DHTU_ip_init(struct GNUNET_DHTU_PluginEnvironment *env)
Entry point for the plugin.

References DHTU_gnunet_init(), DHTU_ip_init(), GDS_cfg, GDS_u_connect(), GDS_u_disconnect(), GDS_u_receive(), GNUNET_CONFIGURATION_get_value_yesno(), GNUNET_CONTAINER_DLL_insert, GNUNET_free, GNUNET_new, GNUNET_strdup, GNUNET_YES, u, u_address_add(), u_address_del(), u_head, u_tail, and update_network_size_estimate().

Referenced by run().

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◆ pid_change_cb()

static void pid_change_cb ( void *  cls,
const struct GNUNET_HELLO_Parser parser,
const struct GNUNET_HashCode hash 
)
static

Definition at line 476 of file gnunet-service-dht.c.

479{
480 (void) cls;
481
484 sizeof(struct GNUNET_PeerIdentity),
486 if (NULL != GDS_my_hello)
489
490 if (NULL == GDS_my_hello)
491 {
492 GNUNET_break (0);
493 return;
494 }
496}
struct GNUNET_PeerIdentity GDS_my_identity
Identity of this peer.
struct GNUNET_HashCode GDS_my_identity_hash
Hash of the identity of this peer.
void GDS_NEIGHBOURS_broadcast(const struct GNUNET_MessageHeader *msg)
Send msg to all peers in our buckets.
void GNUNET_CRYPTO_hash(const void *block, size_t size, struct GNUNET_HashCode *ret)
Compute hash of a given block.
Definition crypto_hash.c:41
struct GNUNET_MessageHeader * GNUNET_HELLO_parser_to_dht_hello_msg(const struct GNUNET_HELLO_Parser *parser)
Generate DHT HELLO message from a parser.
Definition hello-uri.c:1172
const struct GNUNET_PeerIdentity * GNUNET_HELLO_parser_get_id(const struct GNUNET_HELLO_Parser *parser)
Get the PeerIdentity for this builder.
Definition hello-uri.c:353
#define GNUNET_break(cond)
Use this for internal assertion violations that are not fatal (can be handled) but should not occur.
The identity of the host (wraps the signing key of the peer).

References GDS_my_hello, GDS_my_identity, GDS_my_identity_hash, GDS_NEIGHBOURS_broadcast(), GNUNET_break, GNUNET_CRYPTO_hash(), GNUNET_free, GNUNET_HELLO_parser_get_id(), and GNUNET_HELLO_parser_to_dht_hello_msg().

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

Process dht requests.

Parameters
clsclosure
cconfiguration to use
servicethe initialized service

Definition at line 507 of file gnunet-service-dht.c.

510{
511 GDS_cfg = c;
514 GNUNET_assert (NULL != GDS_pils);
515 /* Wait until we get the first peer id until we actually start other parts of
516 * the service */
517 char *keyfile;
518
519 if (GNUNET_OK !=
521 "PEER",
522 "PRIVATE_KEY",
523 &keyfile))
524 {
526 "PEER",
527 "PRIVATE_KEY");
529 return;
530 }
531 if (GNUNET_SYSERR ==
535 {
537 "Failed to setup peer's private key\n");
538 GNUNET_free (keyfile);
540 return;
541 }
542 GNUNET_free (keyfile);
543
544
548 sizeof(struct GNUNET_PeerIdentity),
552 GDS_cfg);
557 NULL);
558 if (GNUNET_OK !=
560 {
562 return;
563 }
566 NULL);
567 if (NULL == u_head)
568 {
570 "No DHT underlays configured!\n");
572 return;
573 }
574}
struct GNUNET_SCHEDULER_Task * shutdown_task
static struct GNUNET_SERVICE_Handle * service
Handle to our service instance.
static void pid_change_cb(void *cls, const struct GNUNET_HELLO_Parser *parser, const struct GNUNET_HashCode *hash)
static void load_underlay(void *cls, const char *section)
Function iterating over all configuration sections.
struct GNUNET_CRYPTO_EddsaPrivateKey GDS_my_private_key
Our private key.
struct GNUNET_SERVICE_Handle * GDS_service
Handle for the service.
void GDS_CLIENTS_init(void)
Initialize client subsystem.
void GDS_DATACACHE_init()
Initialize datacache subsystem.
enum GNUNET_GenericReturnValue GDS_NEIGHBOURS_init()
Initialize neighbours subsystem.
void GDS_ROUTING_init()
Initialize routing subsystem.
struct GNUNET_PILS_Handle * GNUNET_PILS_connect(const struct GNUNET_CONFIGURATION_Handle *cfg, GNUNET_PILS_PidChangeCallback pid_change_cb, void *cls)
Connect to the PILS service.
Definition pils_api.c:367
struct GNUNET_BLOCK_Context * GNUNET_BLOCK_context_create(const struct GNUNET_CONFIGURATION_Handle *cfg)
Create a block context.
Definition block.c:140
enum GNUNET_GenericReturnValue GNUNET_CONFIGURATION_get_value_filename(const struct GNUNET_CONFIGURATION_Handle *cfg, const char *section, const char *option, char **value)
Get a configuration value that should be the name of a file or directory.
void GNUNET_CONFIGURATION_iterate_sections(const struct GNUNET_CONFIGURATION_Handle *cfg, GNUNET_CONFIGURATION_SectionIterator iter, void *iter_cls)
Iterate over all sections in the configuration.
enum GNUNET_GenericReturnValue GNUNET_CRYPTO_eddsa_key_from_file(const char *filename, int do_create, struct GNUNET_CRYPTO_EddsaPrivateKey *pkey)
Create a new private key by reading it from a file.
void GNUNET_CRYPTO_eddsa_key_get_public(const struct GNUNET_CRYPTO_EddsaPrivateKey *priv, struct GNUNET_CRYPTO_EddsaPublicKey *pub)
Extract the public key for the given private key.
Definition crypto_ecc.c:201
@ GNUNET_OK
@ GNUNET_SYSERR
void GNUNET_log_config_missing(enum GNUNET_ErrorType kind, const char *section, const char *option)
Log error message about missing configuration option.
@ GNUNET_ERROR_TYPE_ERROR
void GNUNET_SCHEDULER_shutdown(void)
Request the shutdown of a scheduler.
Definition scheduler.c:567
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:1339
struct GNUNET_STATISTICS_Handle * GNUNET_STATISTICS_create(const char *subsystem, const struct GNUNET_CONFIGURATION_Handle *cfg)
Get handle for the statistics service.
struct GNUNET_CRYPTO_EddsaPublicKey public_key

References GDS_block_context, GDS_cfg, GDS_CLIENTS_init(), GDS_DATACACHE_init(), GDS_my_identity, GDS_my_identity_hash, GDS_my_private_key, GDS_NEIGHBOURS_init(), GDS_pils, GDS_ROUTING_init(), GDS_service, GDS_stats, GNUNET_assert, GNUNET_BLOCK_context_create(), GNUNET_CONFIGURATION_get_value_filename(), GNUNET_CONFIGURATION_iterate_sections(), GNUNET_CRYPTO_eddsa_key_from_file(), GNUNET_CRYPTO_eddsa_key_get_public(), GNUNET_CRYPTO_hash(), GNUNET_ERROR_TYPE_ERROR, GNUNET_free, GNUNET_log, GNUNET_log_config_missing(), GNUNET_OK, GNUNET_PILS_connect(), GNUNET_SCHEDULER_add_shutdown(), GNUNET_SCHEDULER_shutdown(), GNUNET_STATISTICS_create(), GNUNET_SYSERR, GNUNET_YES, load_underlay(), pid_change_cb(), GNUNET_PeerIdentity::public_key, service, shutdown_task, and u_head.

Here is the call graph for this function:

◆ GNUNET_SERVICE_MAIN()

Variable Documentation

◆ pils_requests_head

struct PilsRequest* pils_requests_head
static

PILS Operation DLL.

Definition at line 141 of file gnunet-service-dht.c.

Referenced by shutdown_task().

◆ pils_requests_tail

struct PilsRequest* pils_requests_tail
static

PILS Operation DLL.

Definition at line 146 of file gnunet-service-dht.c.

Referenced by shutdown_task().

◆ GDS_my_hello

struct GNUNET_MessageHeader* GDS_my_hello

Our HELLO.

Our HELLO parser.

Definition at line 152 of file gnunet-service-dht.c.

Referenced by handle_dht_local_hello_get(), handle_find_my_hello(), pid_change_cb(), and shutdown_task().

◆ GDS_my_identity

◆ GDS_my_identity_hash

◆ GDS_my_private_key

struct GNUNET_CRYPTO_EddsaPrivateKey GDS_my_private_key

Our private key.

Definition at line 167 of file gnunet-service-dht.c.

Referenced by GDS_NEIGHBOURS_handle_put(), GDS_NEIGHBOURS_handle_reply(), and run().

◆ u_head

struct GDS_Underlay* u_head
static

Handles for the DHT underlays.

Definition at line 172 of file gnunet-service-dht.c.

Referenced by GDS_u_try_connect(), load_underlay(), run(), shutdown_task(), and update_network_size_estimate().

◆ u_tail

struct GDS_Underlay* u_tail
static

Handles for the DHT underlays.

Definition at line 177 of file gnunet-service-dht.c.

Referenced by load_underlay(), and shutdown_task().

◆ a_head

struct MyAddress* a_head
static

Head of addresses of this peer.

Definition at line 182 of file gnunet-service-dht.c.

Referenced by u_address_add(), and u_address_del().

◆ a_tail

struct MyAddress* a_tail
static

Tail of addresses of this peer.

Definition at line 187 of file gnunet-service-dht.c.

Referenced by u_address_add(), and u_address_del().

◆ log_of_network_size_estimate

double log_of_network_size_estimate
static

log of the current network size estimate, used as the point where we switch between random and deterministic routing.

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

Referenced by GDS_NSE_get(), and update_network_size_estimate().