GNUnet  0.11.x
Functions | Variables
gnunet-secretsharing-profiler.c File Reference

profiling tool for distributed key generation and decryption More...

#include "platform.h"
#include "gnunet_util_lib.h"
#include "gnunet_secretsharing_service.h"
#include "gnunet_testbed_service.h"
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Functions

static void controller_cb (void *cls, const struct GNUNET_TESTBED_EventInformation *event)
 Signature of the event handler function called by the respective event controller. More...
 
static void session_connect_complete (void *cls, struct GNUNET_TESTBED_Operation *op, void *ca_result, const char *emsg)
 Callback to be called when a service connect operation is completed. More...
 
static void decrypt_connect_complete (void *cls, struct GNUNET_TESTBED_Operation *op, void *ca_result, const char *emsg)
 Callback to be called when a service connect operation is completed. More...
 
static void decrypt_cb (void *cls, const struct GNUNET_SECRETSHARING_Plaintext *plaintext)
 Called when a decryption has succeeded. More...
 
static void * decrypt_connect_adapter (void *cls, const struct GNUNET_CONFIGURATION_Handle *cfg)
 Adapter function called to establish a connection to a service. More...
 
static void decrypt_disconnect_adapter (void *cls, void *op_result)
 Adapter function called to destroy a connection to a service. More...
 
static void secret_ready_cb (void *cls, struct GNUNET_SECRETSHARING_Share *my_share, struct GNUNET_SECRETSHARING_PublicKey *public_key, unsigned int num_ready_peers, const struct GNUNET_PeerIdentity *ready_peers)
 
static void * session_connect_adapter (void *cls, const struct GNUNET_CONFIGURATION_Handle *cfg)
 Adapter function called to establish a connection to a service. More...
 
static void session_disconnect_adapter (void *cls, void *op_result)
 Adapter function called to destroy a connection to a service. More...
 
static void peer_info_cb (void *cb_cls, struct GNUNET_TESTBED_Operation *op, const struct GNUNET_TESTBED_PeerInformation *pinfo, const char *emsg)
 Callback to be called when the requested peer information is available. More...
 
static void handle_shutdown (void *cls)
 Signature of the main function of a task. More...
 
static void test_master (void *cls, struct GNUNET_TESTBED_RunHandle *h, unsigned int num_peers, struct GNUNET_TESTBED_Peer **started_peers, unsigned int links_succeeded, unsigned int links_failed)
 Signature of a main function for a testcase. More...
 
static void run (void *cls, char *const *args, const char *cfgfile, const struct GNUNET_CONFIGURATION_Handle *cfg)
 
int main (int argc, char **argv)
 

Variables

static unsigned int num_peers = 3
 How many peers should participate in the key generation? More...
 
static unsigned int threshold = 2
 What should the threshold for then key be? More...
 
static int decrypt = GNUNET_NO
 Should we try to decrypt a value after the key generation? More...
 
static struct GNUNET_TIME_Relative timeout
 When would we like to see the operation finished? More...
 
static struct GNUNET_TIME_Relative delay
 When should dkg communication start? More...
 
static struct GNUNET_SECRETSHARING_Session ** session_handles
 Handles for secretsharing sessions. More...
 
static struct GNUNET_SECRETSHARING_DecryptionHandle ** decrypt_handles
 
static struct GNUNET_SECRETSHARING_Share ** shares
 Shares we got from the distributed key generation. More...
 
static struct GNUNET_SECRETSHARING_PublicKey common_pubkey
 
static unsigned int num_connected_sessions
 
static unsigned int num_connected_decrypt
 
static struct GNUNET_TESTBED_Peer ** peers
 Handles to the running peers. More...
 
static struct GNUNET_PeerIdentitypeer_ids
 
static unsigned int num_retrieved_peer_ids
 
static unsigned int num_generated
 
static unsigned int num_decrypted
 
static struct GNUNET_HashCode session_id
 
static unsigned int verbose
 
static struct GNUNET_SECRETSHARING_Plaintext reference_plaintext
 
static struct GNUNET_SECRETSHARING_Ciphertext ciphertext
 
static struct GNUNET_TIME_Absolute dkg_start
 
static struct GNUNET_TIME_Absolute dkg_deadline
 
static struct GNUNET_TIME_Absolute decrypt_start
 
static struct GNUNET_TIME_Absolute decrypt_deadline
 
static struct GNUNET_TESTBED_Operation ** connect_ops
 Connect operations, one for every peer. More...
 
static int in_shutdown
 Are we performing a shutdown right now? More...
 

Detailed Description

profiling tool for distributed key generation and decryption

Author
Florian Dold

Definition in file gnunet-secretsharing-profiler.c.

Function Documentation

◆ controller_cb()

static void controller_cb ( void *  cls,
const struct GNUNET_TESTBED_EventInformation event 
)
static

Signature of the event handler function called by the respective event controller.

Parameters
clsclosure
eventinformation about the event

Definition at line 125 of file gnunet-secretsharing-profiler.c.

References GNUNET_assert.

Referenced by run().

127 {
128  GNUNET_assert (0);
129 }
#define GNUNET_assert(cond)
Use this for fatal errors that cannot be handled.
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◆ session_connect_complete()

static void session_connect_complete ( void *  cls,
struct GNUNET_TESTBED_Operation op,
void *  ca_result,
const char *  emsg 
)
static

Callback to be called when a service connect operation is completed.

Parameters
clsthe callback closure from functions generating an operation
opthe operation that has been finished
ca_resultthe service handle returned from GNUNET_TESTBED_ConnectAdapter()
emsgerror message in case the operation has failed; will be NULL if operation has executed successfully.

Definition at line 142 of file gnunet-secretsharing-profiler.c.

References GNUNET_assert, GNUNET_ERROR_TYPE_ERROR, GNUNET_ERROR_TYPE_INFO, GNUNET_log, num_connected_sessions, and num_peers.

Referenced by peer_info_cb().

146 {
147  if (NULL != emsg)
148  {
150  "testbed connect emsg: %s\n",
151  emsg);
152  GNUNET_assert (0);
153  }
154 
156 
158  "dkg: session connect complete\n");
159 
161  {
163  "dkg: all peers connected\n");
164  }
165 }
static unsigned int num_peers
How many peers should participate in the key generation?
#define GNUNET_assert(cond)
Use this for fatal errors that cannot be handled.
static unsigned int num_connected_sessions
#define GNUNET_log(kind,...)
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◆ decrypt_connect_complete()

static void decrypt_connect_complete ( void *  cls,
struct GNUNET_TESTBED_Operation op,
void *  ca_result,
const char *  emsg 
)
static

Callback to be called when a service connect operation is completed.

Parameters
clsthe callback closure from functions generating an operation
opthe operation that has been finished
ca_resultthe service handle returned from GNUNET_TESTBED_ConnectAdapter()
emsgerror message in case the operation has failed; will be NULL if operation has executed successfully.

Definition at line 178 of file gnunet-secretsharing-profiler.c.

References GNUNET_assert, GNUNET_ERROR_TYPE_ERROR, GNUNET_ERROR_TYPE_INFO, GNUNET_log, num_connected_decrypt, and num_peers.

Referenced by session_disconnect_adapter().

182 {
183  if (NULL != emsg)
184  {
186  "testbed connect emsg: %s\n",
187  emsg);
188  GNUNET_assert (0);
189  }
190 
192 
194  "decrypt: session connect complete\n");
195 
197  {
199  "decrypt: all peers connected\n");
200  }
201 }
static unsigned int num_peers
How many peers should participate in the key generation?
#define GNUNET_assert(cond)
Use this for fatal errors that cannot be handled.
static unsigned int num_connected_decrypt
#define GNUNET_log(kind,...)
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◆ decrypt_cb()

static void decrypt_cb ( void *  cls,
const struct GNUNET_SECRETSHARING_Plaintext plaintext 
)
static

Called when a decryption has succeeded.

Parameters
clsPlaintext
plaintextPlaintext

Definition at line 211 of file gnunet-secretsharing-profiler.c.

References decrypt_handles, GNUNET_assert, GNUNET_ERROR_TYPE_ERROR, GNUNET_ERROR_TYPE_INFO, GNUNET_log, GNUNET_memcmp, GNUNET_SCHEDULER_shutdown(), GNUNET_TESTBED_operation_done(), num_decrypted, num_peers, and reference_plaintext.

Referenced by decrypt_connect_adapter(), and GNUNET_SECRETSHARING_decrypt().

213 {
214  struct GNUNET_SECRETSHARING_DecryptionHandle **dhp = cls;
215  unsigned int n = dhp - decrypt_handles;
216 
217  num_decrypted++;
218 
219  *dhp = NULL;
220 
221  // we should still be connected if this is called
222  GNUNET_assert (NULL != connect_ops[n]);
223 
225 
226  if (NULL == plaintext)
227  {
228  GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "decrypt failed for peer %u\n", n);
229  return;
230  }
231  else if (0 == GNUNET_memcmp (&reference_plaintext, plaintext))
233  "decrypt got correct result for peer %u\n", n);
234  else
236  "decrypt got wrong result for peer %u\n", n);
237 
238  if (num_decrypted == num_peers)
239  {
240  GNUNET_log (GNUNET_ERROR_TYPE_INFO, "every peer decrypted\n");
242  }
243 
244  *dhp = NULL;
245 }
static struct GNUNET_SECRETSHARING_Plaintext reference_plaintext
static unsigned int num_peers
How many peers should participate in the key generation?
#define GNUNET_assert(cond)
Use this for fatal errors that cannot be handled.
void GNUNET_SCHEDULER_shutdown(void)
Request the shutdown of a scheduler.
Definition: scheduler.c:526
static unsigned int num_decrypted
void GNUNET_TESTBED_operation_done(struct GNUNET_TESTBED_Operation *operation)
This function is used to signal that the event information (struct GNUNET_TESTBED_EventInformation) f...
Definition: testbed_api.c:2044
Handle to cancel a cooperative decryption operation.
static struct GNUNET_TESTBED_Operation ** connect_ops
Connect operations, one for every peer.
#define GNUNET_memcmp(a, b)
Compare memory in a and b, where both must be of the same pointer type.
#define GNUNET_log(kind,...)
static struct GNUNET_SECRETSHARING_DecryptionHandle ** decrypt_handles
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◆ decrypt_connect_adapter()

static void* decrypt_connect_adapter ( void *  cls,
const struct GNUNET_CONFIGURATION_Handle cfg 
)
static

Adapter function called to establish a connection to a service.

Parameters
clsclosure
cfgconfiguration of the peer to connect to; will be available until GNUNET_TESTBED_operation_done() is called on the operation returned from GNUNET_TESTBED_service_connect()
Returns
service handle to return in 'op_result', NULL on error

Definition at line 259 of file gnunet-secretsharing-profiler.c.

References ciphertext, decrypt_cb(), decrypt_deadline, decrypt_handles, decrypt_start, GNUNET_ERROR_TYPE_INFO, GNUNET_log, GNUNET_SECRETSHARING_decrypt(), and num_peers.

Referenced by session_disconnect_adapter().

261 {
262  struct GNUNET_SECRETSHARING_DecryptionHandle **hp = cls;
263  unsigned int n = hp - decrypt_handles;
264 
266  "decrypt connect adapter, %d peers\n",
267  num_peers);
270  decrypt_cb,
271  hp);
272 
273  return *hp;
274 }
static unsigned int num_peers
How many peers should participate in the key generation?
struct GNUNET_SECRETSHARING_DecryptionHandle * GNUNET_SECRETSHARING_decrypt(const struct GNUNET_CONFIGURATION_Handle *cfg, struct GNUNET_SECRETSHARING_Share *share, const struct GNUNET_SECRETSHARING_Ciphertext *ciphertext, struct GNUNET_TIME_Absolute start, struct GNUNET_TIME_Absolute deadline, GNUNET_SECRETSHARING_DecryptCallback decrypt_cb, void *decrypt_cb_cls)
Publish the given ciphertext for decryption.
static struct GNUNET_TIME_Absolute decrypt_deadline
static struct GNUNET_SECRETSHARING_Share ** shares
Shares we got from the distributed key generation.
static struct GNUNET_SECRETSHARING_Ciphertext ciphertext
Handle to cancel a cooperative decryption operation.
#define GNUNET_log(kind,...)
static void decrypt_cb(void *cls, const struct GNUNET_SECRETSHARING_Plaintext *plaintext)
Called when a decryption has succeeded.
static struct GNUNET_SECRETSHARING_DecryptionHandle ** decrypt_handles
static struct GNUNET_TIME_Absolute decrypt_start
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◆ decrypt_disconnect_adapter()

static void decrypt_disconnect_adapter ( void *  cls,
void *  op_result 
)
static

Adapter function called to destroy a connection to a service.

Parameters
clsclosure
op_resultservice handle returned from the connect adapter

Definition at line 285 of file gnunet-secretsharing-profiler.c.

References decrypt_handles, GNUNET_assert, and GNUNET_SECRETSHARING_decrypt_cancel().

Referenced by session_disconnect_adapter().

286 {
287  struct GNUNET_SECRETSHARING_DecryptionHandle **dh = cls;
288  unsigned int n = dh - decrypt_handles;
289 
290  GNUNET_assert (*dh == decrypt_handles[n]);
291 
292  if (NULL != *dh)
293  {
295  *dh = NULL;
296  }
297 
298  GNUNET_assert (NULL != connect_ops[n]);
299  connect_ops[n] = NULL;
300 }
#define GNUNET_assert(cond)
Use this for fatal errors that cannot be handled.
void GNUNET_SECRETSHARING_decrypt_cancel(struct GNUNET_SECRETSHARING_DecryptionHandle *dh)
Cancel a decryption.
Handle to cancel a cooperative decryption operation.
static struct GNUNET_TESTBED_Operation ** connect_ops
Connect operations, one for every peer.
static struct GNUNET_SECRETSHARING_DecryptionHandle ** decrypt_handles
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◆ secret_ready_cb()

static void secret_ready_cb ( void *  cls,
struct GNUNET_SECRETSHARING_Share my_share,
struct GNUNET_SECRETSHARING_PublicKey public_key,
unsigned int  num_ready_peers,
const struct GNUNET_PeerIdentity ready_peers 
)
static

Definition at line 304 of file gnunet-secretsharing-profiler.c.

References common_pubkey, GNUNET_assert, GNUNET_ERROR_TYPE_ERROR, GNUNET_ERROR_TYPE_INFO, GNUNET_log, GNUNET_memcmp, GNUNET_SCHEDULER_shutdown(), GNUNET_STRINGS_data_to_string(), GNUNET_TESTBED_operation_done(), num_generated, ret, and session_handles.

Referenced by session_connect_adapter().

309 {
310  struct GNUNET_SECRETSHARING_Session **sp = cls;
311  unsigned int n = sp - session_handles;
312  char pubkey_str[1024];
313  char *ret;
314 
315  num_generated++;
316  *sp = NULL;
317  shares[n] = my_share;
318  if (NULL == my_share)
319  {
320  GNUNET_log (GNUNET_ERROR_TYPE_INFO, "key generation failed for peer #%u\n",
321  n);
322  }
323  else
324  {
325  ret = GNUNET_STRINGS_data_to_string (public_key, sizeof *public_key,
326  pubkey_str, 1024);
327  GNUNET_assert (NULL != ret);
328  *ret = '\0';
330  "key generation successful for peer #%u, pubkey %s\n", n,
331  pubkey_str);
332 
333  /* we're the first to get the key -> store it */
334  if (num_generated == 1)
335  {
336  common_pubkey = *public_key;
337  }
338  else if (0 != GNUNET_memcmp (public_key, &common_pubkey))
339  {
341  "generated public keys do not match\n");
343  return;
344  }
345  }
346 
347  // we should still be connected
348  GNUNET_assert (NULL != connect_ops[n]);
349 
350  // disconnect from the service, will call the disconnect callback
352 }
static struct GNUNET_SECRETSHARING_Session ** session_handles
Handles for secretsharing sessions.
#define GNUNET_assert(cond)
Use this for fatal errors that cannot be handled.
static int ret
Return value of the commandline.
Definition: gnunet-abd.c:81
void GNUNET_SCHEDULER_shutdown(void)
Request the shutdown of a scheduler.
Definition: scheduler.c:526
static unsigned int num_generated
static struct GNUNET_SECRETSHARING_Share ** shares
Shares we got from the distributed key generation.
void GNUNET_TESTBED_operation_done(struct GNUNET_TESTBED_Operation *operation)
This function is used to signal that the event information (struct GNUNET_TESTBED_EventInformation) f...
Definition: testbed_api.c:2044
Session that will eventually establish a shared secred between the involved peers and allow encryptio...
static struct GNUNET_TESTBED_Operation ** connect_ops
Connect operations, one for every peer.
#define GNUNET_memcmp(a, b)
Compare memory in a and b, where both must be of the same pointer type.
#define GNUNET_log(kind,...)
static struct GNUNET_SECRETSHARING_PublicKey common_pubkey
char * GNUNET_STRINGS_data_to_string(const void *data, size_t size, char *out, size_t out_size)
Convert binary data to ASCII encoding using CrockfordBase32.
Definition: strings.c:856
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◆ session_connect_adapter()

static void* session_connect_adapter ( void *  cls,
const struct GNUNET_CONFIGURATION_Handle cfg 
)
static

Adapter function called to establish a connection to a service.

Parameters
clsclosure
cfgconfiguration of the peer to connect to; will be available until GNUNET_TESTBED_operation_done() is called on the operation returned from GNUNET_TESTBED_service_connect()
Returns
service handle to return in 'op_result', NULL on error

Definition at line 366 of file gnunet-secretsharing-profiler.c.

References dkg_deadline, dkg_start, GNUNET_ERROR_TYPE_INFO, GNUNET_log, GNUNET_SECRETSHARING_create_session(), num_peers, secret_ready_cb(), session_id, and threshold.

Referenced by peer_info_cb().

368 {
369  struct GNUNET_SECRETSHARING_Session **sp = cls;
370 
372  "connect adapter, %d peers\n",
373  num_peers);
375  num_peers,
376  peer_ids,
377  &session_id,
378  dkg_start,
379  dkg_deadline,
380  threshold,
381  &secret_ready_cb, sp);
382  return *sp;
383 }
static unsigned int threshold
What should the threshold for then key be?
static unsigned int num_peers
How many peers should participate in the key generation?
static struct GNUNET_TIME_Absolute dkg_start
static struct GNUNET_PeerIdentity * peer_ids
struct GNUNET_SECRETSHARING_Session * GNUNET_SECRETSHARING_create_session(const struct GNUNET_CONFIGURATION_Handle *cfg, unsigned int num_peers, const struct GNUNET_PeerIdentity *peers, const struct GNUNET_HashCode *session_id, struct GNUNET_TIME_Absolute start, struct GNUNET_TIME_Absolute deadline, unsigned int threshold, GNUNET_SECRETSHARING_SecretReadyCallback cb, void *cls)
Create a session that will eventually establish a shared secret with the other peers.
Session that will eventually establish a shared secred between the involved peers and allow encryptio...
static void secret_ready_cb(void *cls, struct GNUNET_SECRETSHARING_Share *my_share, struct GNUNET_SECRETSHARING_PublicKey *public_key, unsigned int num_ready_peers, const struct GNUNET_PeerIdentity *ready_peers)
#define GNUNET_log(kind,...)
static struct GNUNET_HashCode session_id
static struct GNUNET_TIME_Absolute dkg_deadline
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◆ session_disconnect_adapter()

static void session_disconnect_adapter ( void *  cls,
void *  op_result 
)
static

Adapter function called to destroy a connection to a service.

Parameters
clsclosure
op_resultservice handle returned from the connect adapter

Definition at line 394 of file gnunet-secretsharing-profiler.c.

References ciphertext, common_pubkey, decrypt, decrypt_connect_adapter(), decrypt_connect_complete(), decrypt_deadline, decrypt_disconnect_adapter(), decrypt_start, delay, GNUNET_assert, GNUNET_NO, GNUNET_SCHEDULER_shutdown(), GNUNET_SECRETSHARING_encrypt(), GNUNET_SECRETSHARING_plaintext_generate_i(), GNUNET_SECRETSHARING_session_destroy(), GNUNET_TESTBED_service_connect(), GNUNET_TIME_absolute_add(), GNUNET_TIME_absolute_get(), GNUNET_YES, in_shutdown, num_generated, num_peers, reference_plaintext, session_handles, and timeout.

Referenced by peer_info_cb().

395 {
396  struct GNUNET_SECRETSHARING_Session **sp = cls;
397  unsigned int n = (sp - session_handles);
398 
399  GNUNET_assert (*sp == session_handles[n]);
400 
401  if (NULL != *sp)
402  {
404  *sp = NULL;
405  }
406 
407  GNUNET_assert (NULL != connect_ops[n]);
408  connect_ops[n] = NULL;
409 
410  if (GNUNET_YES == in_shutdown)
411  return;
412 
413  // all peers received their secret
414  if (num_generated == num_peers)
415  {
416  int i;
417 
418  // only do decryption if requested by the user
419  if (GNUNET_NO == decrypt)
420  {
422  return;
423  }
424 
426  delay);
428 
429  // compute g^42 as the plaintext which we will decrypt and then
430  // cooperatively decrypt
433  &ciphertext);
434 
435  for (i = 0; i < num_peers; i++)
436  connect_ops[i] =
437  GNUNET_TESTBED_service_connect (NULL, peers[i], "secretsharing",
441  &decrypt_handles[i]);
442  }
443 }
static struct GNUNET_SECRETSHARING_Plaintext reference_plaintext
static int decrypt
Should we try to decrypt a value after the key generation?
static unsigned int num_peers
How many peers should participate in the key generation?
static struct GNUNET_SECRETSHARING_Session ** session_handles
Handles for secretsharing sessions.
#define GNUNET_assert(cond)
Use this for fatal errors that cannot be handled.
#define GNUNET_NO
Definition: gnunet_common.h:78
struct GNUNET_TIME_Absolute GNUNET_TIME_absolute_add(struct GNUNET_TIME_Absolute start, struct GNUNET_TIME_Relative duration)
Add a given relative duration to the given start time.
Definition: time.c:395
static void decrypt_connect_complete(void *cls, struct GNUNET_TESTBED_Operation *op, void *ca_result, const char *emsg)
Callback to be called when a service connect operation is completed.
static void decrypt_disconnect_adapter(void *cls, void *op_result)
Adapter function called to destroy a connection to a service.
void GNUNET_SCHEDULER_shutdown(void)
Request the shutdown of a scheduler.
Definition: scheduler.c:526
void GNUNET_SECRETSHARING_session_destroy(struct GNUNET_SECRETSHARING_Session *s)
Destroy a secret sharing session.
struct GNUNET_TESTBED_Operation * GNUNET_TESTBED_service_connect(void *op_cls, struct GNUNET_TESTBED_Peer *peer, const char *service_name, GNUNET_TESTBED_ServiceConnectCompletionCallback cb, void *cb_cls, GNUNET_TESTBED_ConnectAdapter ca, GNUNET_TESTBED_DisconnectAdapter da, void *cada_cls)
Connect to a service offered by the given peer.
int GNUNET_SECRETSHARING_plaintext_generate_i(struct GNUNET_SECRETSHARING_Plaintext *plaintext, int64_t exponent)
static struct GNUNET_TESTBED_Peer ** peers
Handles to the running peers.
static struct GNUNET_TIME_Absolute decrypt_deadline
static struct GNUNET_TIME_Relative timeout
When would we like to see the operation finished?
static unsigned int num_generated
static struct GNUNET_SECRETSHARING_Ciphertext ciphertext
struct GNUNET_TIME_Absolute GNUNET_TIME_absolute_get(void)
Get the current time.
Definition: time.c:118
Session that will eventually establish a shared secred between the involved peers and allow encryptio...
int GNUNET_SECRETSHARING_encrypt(const struct GNUNET_SECRETSHARING_PublicKey *public_key, const struct GNUNET_SECRETSHARING_Plaintext *plaintext, struct GNUNET_SECRETSHARING_Ciphertext *result_ciphertext)
Encrypt a value.
static struct GNUNET_TESTBED_Operation ** connect_ops
Connect operations, one for every peer.
static int in_shutdown
Are we performing a shutdown right now?
static struct GNUNET_TIME_Relative delay
When should dkg communication start?
static struct GNUNET_SECRETSHARING_PublicKey common_pubkey
#define GNUNET_YES
Definition: gnunet_common.h:77
static void * decrypt_connect_adapter(void *cls, const struct GNUNET_CONFIGURATION_Handle *cfg)
Adapter function called to establish a connection to a service.
static struct GNUNET_SECRETSHARING_DecryptionHandle ** decrypt_handles
static struct GNUNET_TIME_Absolute decrypt_start
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◆ peer_info_cb()

static void peer_info_cb ( void *  cb_cls,
struct GNUNET_TESTBED_Operation op,
const struct GNUNET_TESTBED_PeerInformation pinfo,
const char *  emsg 
)
static

Callback to be called when the requested peer information is available.

Parameters
cb_clsthe closure from GNUNET_TETSBED_peer_get_information()
opthe operation this callback corresponds to
pinfothe result; will be NULL if the operation has failed
emsgerror message if the operation has failed; will be NULL if the operation is successfull

Definition at line 456 of file gnunet-secretsharing-profiler.c.

References GNUNET_assert, GNUNET_TESTBED_operation_done(), GNUNET_TESTBED_PIT_IDENTITY, GNUNET_TESTBED_service_connect(), GNUNET_TESTBED_PeerInformation::id, num_peers, num_retrieved_peer_ids, p, GNUNET_TESTBED_PeerInformation::pit, GNUNET_TESTBED_PeerInformation::result, session_connect_adapter(), session_connect_complete(), and session_disconnect_adapter().

Referenced by test_master().

460 {
461  struct GNUNET_PeerIdentity *p;
462  int i;
463 
464  GNUNET_assert (NULL == emsg);
465 
466  p = (struct GNUNET_PeerIdentity *) cb_cls;
467 
468  if (pinfo->pit == GNUNET_TESTBED_PIT_IDENTITY)
469  {
470  *p = *pinfo->result.id;
473  for (i = 0; i < num_peers; i++)
474  connect_ops[i] =
475  GNUNET_TESTBED_service_connect (NULL, peers[i], "secretsharing",
479  &session_handles[i]);
480  }
481  else
482  {
483  GNUNET_assert (0);
484  }
485 
487 }
static unsigned int num_peers
How many peers should participate in the key generation?
static void * session_connect_adapter(void *cls, const struct GNUNET_CONFIGURATION_Handle *cfg)
Adapter function called to establish a connection to a service.
static struct GNUNET_SECRETSHARING_Session ** session_handles
Handles for secretsharing sessions.
enum GNUNET_TESTBED_PeerInformationType pit
Peer information type; captures which of the types in the &#39;op_result&#39; is actually in use...
#define GNUNET_assert(cond)
Use this for fatal errors that cannot be handled.
static void session_disconnect_adapter(void *cls, void *op_result)
Adapter function called to destroy a connection to a service.
struct GNUNET_PeerIdentity * id
The identity of the peer.
struct GNUNET_TESTBED_Operation * GNUNET_TESTBED_service_connect(void *op_cls, struct GNUNET_TESTBED_Peer *peer, const char *service_name, GNUNET_TESTBED_ServiceConnectCompletionCallback cb, void *cb_cls, GNUNET_TESTBED_ConnectAdapter ca, GNUNET_TESTBED_DisconnectAdapter da, void *cada_cls)
Connect to a service offered by the given peer.
static struct GNUNET_TESTBED_Peer ** peers
Handles to the running peers.
static struct GNUNET_OS_Process * p
Helper process we started.
Definition: gnunet-qr.c:59
static unsigned int num_retrieved_peer_ids
static void session_connect_complete(void *cls, struct GNUNET_TESTBED_Operation *op, void *ca_result, const char *emsg)
Callback to be called when a service connect operation is completed.
void GNUNET_TESTBED_operation_done(struct GNUNET_TESTBED_Operation *operation)
This function is used to signal that the event information (struct GNUNET_TESTBED_EventInformation) f...
Definition: testbed_api.c:2044
static struct GNUNET_TESTBED_Operation ** connect_ops
Connect operations, one for every peer.
The identity of the host (wraps the signing key of the peer).
What is the identity of the peer? Returns a &#39;const struct GNUNET_PeerIdentity *&#39;. ...
union GNUNET_TESTBED_PeerInformation::@61 result
The result of the get information operation; Choose according to the pit.
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◆ handle_shutdown()

static void handle_shutdown ( void *  cls)
static

Signature of the main function of a task.

Parameters
clsclosure

Definition at line 496 of file gnunet-secretsharing-profiler.c.

References GNUNET_free, GNUNET_TESTBED_operation_done(), GNUNET_YES, in_shutdown, and num_peers.

Referenced by test_master().

497 {
499 
500  if (NULL != connect_ops)
501  {
502  unsigned int i;
503  for (i = 0; i < num_peers; i++)
504  if (NULL != connect_ops[i])
505  {
506  // the disconnect callback will set the op to NULL
508  }
510  }
511 
512  // killing the testbed operation will take care of remaining
513  // service handles in the disconnect callback
514 }
static unsigned int num_peers
How many peers should participate in the key generation?
void GNUNET_TESTBED_operation_done(struct GNUNET_TESTBED_Operation *operation)
This function is used to signal that the event information (struct GNUNET_TESTBED_EventInformation) f...
Definition: testbed_api.c:2044
static struct GNUNET_TESTBED_Operation ** connect_ops
Connect operations, one for every peer.
static int in_shutdown
Are we performing a shutdown right now?
#define GNUNET_YES
Definition: gnunet_common.h:77
#define GNUNET_free(ptr)
Wrapper around free.
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◆ test_master()

static void test_master ( void *  cls,
struct GNUNET_TESTBED_RunHandle h,
unsigned int  num_peers,
struct GNUNET_TESTBED_Peer **  started_peers,
unsigned int  links_succeeded,
unsigned int  links_failed 
)
static

Signature of a main function for a testcase.

Parameters
clsclosure
hthe run handle
num_peersnumber of peers in 'peers'
started_peershandle to peers run in the testbed. NULL upon timeout (see GNUNET_TESTBED_test_run()).
links_succeededthe number of overlay link connection attempts that succeeded
links_failedthe number of overlay link connection attempts that failed

Definition at line 531 of file gnunet-secretsharing-profiler.c.

References GNUNET_ERROR_TYPE_INFO, GNUNET_log, GNUNET_log_setup(), GNUNET_malloc, GNUNET_new_array, GNUNET_SCHEDULER_add_shutdown(), GNUNET_TESTBED_peer_get_information(), GNUNET_TESTBED_PIT_IDENTITY, handle_shutdown(), num_peers, and peer_info_cb().

Referenced by run().

537 {
538  int i;
539 
540  GNUNET_log_setup ("gnunet-secretsharing-profiler", "INFO", NULL);
541 
542  GNUNET_log (GNUNET_ERROR_TYPE_INFO, "test master\n");
543 
545 
546  peers = started_peers;
547 
549 
556 
557  for (i = 0; i < num_peers; i++)
558  {
559  // we do not store the returned operation, as peer_info_cb
560  // will receive it as a parameter and call GNUNET_TESTBED_operation_done.
563  peer_info_cb,
564  &peer_ids[i]);
565  }
566 }
static void peer_info_cb(void *cb_cls, struct GNUNET_TESTBED_Operation *op, const struct GNUNET_TESTBED_PeerInformation *pinfo, const char *emsg)
Callback to be called when the requested peer information is available.
static unsigned int num_peers
How many peers should participate in the key generation?
struct GNUNET_SCHEDULER_Task * GNUNET_SCHEDULER_add_shutdown(GNUNET_SCHEDULER_TaskCallback task, void *task_cls)
Schedule a new task to be run on shutdown, that is when a CTRL-C signal is received, or when GNUNET_SCHEDULER_shutdown() is being invoked.
Definition: scheduler.c:1300
static struct GNUNET_SECRETSHARING_Session ** session_handles
Handles for secretsharing sessions.
A share, with all values in in host byte order.
Opaque handle to an abstract operation to be executed by the testing framework.
static struct GNUNET_TESTBED_Peer ** peers
Handles to the running peers.
static struct GNUNET_PeerIdentity * peer_ids
#define GNUNET_new_array(n, type)
Allocate a size n array with structs or unions of the given type.
static void handle_shutdown(void *cls)
Signature of the main function of a task.
static struct GNUNET_SECRETSHARING_Share ** shares
Shares we got from the distributed key generation.
Session that will eventually establish a shared secred between the involved peers and allow encryptio...
struct GNUNET_TESTBED_Operation * GNUNET_TESTBED_peer_get_information(struct GNUNET_TESTBED_Peer *peer, enum GNUNET_TESTBED_PeerInformationType pit, GNUNET_TESTBED_PeerInfoCallback cb, void *cb_cls)
Request information about a peer.
Handle to cancel a cooperative decryption operation.
static struct GNUNET_TESTBED_Operation ** connect_ops
Connect operations, one for every peer.
The identity of the host (wraps the signing key of the peer).
What is the identity of the peer? Returns a &#39;const struct GNUNET_PeerIdentity *&#39;. ...
#define GNUNET_log(kind,...)
int GNUNET_log_setup(const char *comp, const char *loglevel, const char *logfile)
Setup logging.
static struct GNUNET_SECRETSHARING_DecryptionHandle ** decrypt_handles
#define GNUNET_malloc(size)
Wrapper around malloc.
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◆ run()

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

Definition at line 570 of file gnunet-secretsharing-profiler.c.

References controller_cb(), delay, dkg_deadline, dkg_start, GNUNET_CONFIGURATION_get_value_string(), GNUNET_CRYPTO_hash(), GNUNET_ERROR_TYPE_INFO, GNUNET_free, GNUNET_log, GNUNET_OK, GNUNET_TESTBED_test_run(), GNUNET_TIME_absolute_add(), GNUNET_TIME_absolute_get(), num_peers, session_id, test_master(), timeout, and topology.

Referenced by main().

572 {
573  static char *session_str = "gnunet-secretsharing/test";
574  char *topology;
575  int topology_cmp_result;
576 
579 
580  if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_string (cfg, "testbed",
581  "OVERLAY_TOPOLOGY",
582  &topology))
583  {
584  fprintf (stderr,
585  "'OVERLAY_TOPOLOGY' not found in 'testbed' config section, "
586  "seems like you passed the wrong configuration file\n");
587  return;
588  }
589 
590  topology_cmp_result = strcasecmp (topology, "NONE");
591  GNUNET_free (topology);
592 
593  if (0 == topology_cmp_result)
594  {
595  fprintf (stderr,
596  "'OVERLAY_TOPOLOGY' set to 'NONE', "
597  "seems like you passed the wrong configuration file\n");
598  return;
599  }
600 
602  "running gnunet-secretsharing-profiler\n");
603 
604  GNUNET_CRYPTO_hash (session_str, strlen (session_str), &session_id);
605 
606  (void) GNUNET_TESTBED_test_run ("gnunet-secretsharing-profiler",
607  cfgfile,
608  num_peers,
609  0,
611  NULL,
612  test_master,
613  NULL);
614 }
static unsigned int num_peers
How many peers should participate in the key generation?
int GNUNET_TESTBED_test_run(const char *testname, const char *cfg_filename, unsigned int num_peers, uint64_t event_mask, GNUNET_TESTBED_ControllerCallback cc, void *cc_cls, GNUNET_TESTBED_TestMaster test_master, void *test_master_cls)
Convenience method for running a "simple" test on the local system with a single call from &#39;main&#39;...
#define GNUNET_OK
Named constants for return values.
Definition: gnunet_common.h:75
enum GNUNET_TESTBED_TopologyOption topology
The topology to generate.
struct GNUNET_TIME_Absolute GNUNET_TIME_absolute_add(struct GNUNET_TIME_Absolute start, struct GNUNET_TIME_Relative duration)
Add a given relative duration to the given start time.
Definition: time.c:395
static struct GNUNET_TIME_Absolute dkg_start
void GNUNET_CRYPTO_hash(const void *block, size_t size, struct GNUNET_HashCode *ret)
Compute hash of a given block.
Definition: crypto_hash.c:48
static struct GNUNET_TIME_Relative timeout
When would we like to see the operation finished?
static void controller_cb(void *cls, const struct GNUNET_TESTBED_EventInformation *event)
Signature of the event handler function called by the respective event controller.
struct GNUNET_TIME_Absolute GNUNET_TIME_absolute_get(void)
Get the current time.
Definition: time.c:118
int GNUNET_CONFIGURATION_get_value_string(const struct GNUNET_CONFIGURATION_Handle *cfg, const char *section, const char *option, char **value)
Get a configuration value that should be a string.
static struct GNUNET_TIME_Relative delay
When should dkg communication start?
#define GNUNET_log(kind,...)
static struct GNUNET_HashCode session_id
static struct GNUNET_TIME_Absolute dkg_deadline
static void test_master(void *cls, struct GNUNET_TESTBED_RunHandle *h, unsigned int num_peers, struct GNUNET_TESTBED_Peer **started_peers, unsigned int links_succeeded, unsigned int links_failed)
Signature of a main function for a testcase.
#define GNUNET_free(ptr)
Wrapper around free.
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◆ main()

int main ( int  argc,
char **  argv 
)

Definition at line 618 of file gnunet-secretsharing-profiler.c.

References decrypt, delay, gettext_noop, GNUNET_GETOPT_OPTION_END, GNUNET_GETOPT_option_flag(), GNUNET_GETOPT_option_relative_time(), GNUNET_GETOPT_option_uint(), GNUNET_GETOPT_option_verbose(), GNUNET_PROGRAM_run2(), GNUNET_TIME_UNIT_MINUTES, GNUNET_TIME_UNIT_ZERO, GNUNET_YES, num_peers, run(), threshold, timeout, and verbose.

619 {
622  "num-peers",
623  NULL,
624  gettext_noop ("number of peers in consensus"),
625  &num_peers),
626 
628  "delay",
629  NULL,
630  gettext_noop ("dkg start delay"),
631  &delay),
632 
634  "timeout",
635  NULL,
636  gettext_noop ("dkg timeout"),
637  &timeout),
638 
640  "threshold",
641  NULL,
642  gettext_noop ("threshold"),
643  &threshold),
644 
646  "descrypt",
647  gettext_noop ("also profile decryption"),
648  &decrypt),
649 
650 
652 
654  };
655 
658  GNUNET_PROGRAM_run2 (argc, argv, "gnunet-secretsharing-profiler",
659  "help",
660  options, &run, NULL, GNUNET_YES);
661  return 0;
662 }
struct GNUNET_GETOPT_CommandLineOption GNUNET_GETOPT_option_relative_time(char shortName, const char *name, const char *argumentHelp, const char *description, struct GNUNET_TIME_Relative *val)
Allow user to specify a struct GNUNET_TIME_Relative (using human-readable "fancy" time)...
static int decrypt
Should we try to decrypt a value after the key generation?
static unsigned int threshold
What should the threshold for then key be?
static unsigned int verbose
static unsigned int num_peers
How many peers should participate in the key generation?
int GNUNET_PROGRAM_run2(int argc, char *const *argv, const char *binaryName, const char *binaryHelp, const struct GNUNET_GETOPT_CommandLineOption *options, GNUNET_PROGRAM_Main task, void *task_cls, int run_without_scheduler)
Run a standard GNUnet command startup sequence (initialize loggers and configuration, parse options).
Definition: program.c:141
struct GNUNET_GETOPT_CommandLineOption options[]
Definition: 002.c:5
#define GNUNET_TIME_UNIT_MINUTES
One minute.
struct GNUNET_GETOPT_CommandLineOption GNUNET_GETOPT_option_verbose(unsigned int *level)
Define the &#39;-V&#39; verbosity option.
Definition of a command line option.
static void run(void *cls, char *const *args, const char *cfgfile, const struct GNUNET_CONFIGURATION_Handle *cfg)
struct GNUNET_GETOPT_CommandLineOption GNUNET_GETOPT_OPTION_END
Definition: 002.c:13
static struct GNUNET_TIME_Relative timeout
When would we like to see the operation finished?
static struct GNUNET_TIME_Relative delay
When should dkg communication start?
#define GNUNET_TIME_UNIT_ZERO
Relative time zero.
struct GNUNET_GETOPT_CommandLineOption GNUNET_GETOPT_option_flag(char shortName, const char *name, const char *description, int *val)
Allow user to specify a flag (which internally means setting an integer to 1/GNUNET_YES/GNUNET_OK.
#define GNUNET_YES
Definition: gnunet_common.h:77
struct GNUNET_GETOPT_CommandLineOption GNUNET_GETOPT_option_uint(char shortName, const char *name, const char *argumentHelp, const char *description, unsigned int *val)
Allow user to specify an unsigned int.
#define gettext_noop(String)
Definition: gettext.h:69
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Variable Documentation

◆ num_peers

unsigned int num_peers = 3
static

◆ threshold

unsigned int threshold = 2
static

What should the threshold for then key be?

Definition at line 39 of file gnunet-secretsharing-profiler.c.

Referenced by GNUNET_TIME_randomized_backoff(), keygen_reveal_get_exp_coeff(), main(), and session_connect_adapter().

◆ decrypt

int decrypt = GNUNET_NO
static

Should we try to decrypt a value after the key generation?

Definition at line 44 of file gnunet-secretsharing-profiler.c.

Referenced by main(), and session_disconnect_adapter().

◆ timeout

struct GNUNET_TIME_Relative timeout
static

When would we like to see the operation finished?

Definition at line 49 of file gnunet-secretsharing-profiler.c.

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

◆ delay

struct GNUNET_TIME_Relative delay
static

◆ session_handles

struct GNUNET_SECRETSHARING_Session** session_handles
static

Handles for secretsharing sessions.

Definition at line 59 of file gnunet-secretsharing-profiler.c.

Referenced by secret_ready_cb(), and session_disconnect_adapter().

◆ decrypt_handles

struct GNUNET_SECRETSHARING_DecryptionHandle** decrypt_handles
static

◆ shares

struct GNUNET_SECRETSHARING_Share** shares
static

Shares we got from the distributed key generation.

Definition at line 66 of file gnunet-secretsharing-profiler.c.

◆ common_pubkey

struct GNUNET_SECRETSHARING_PublicKey common_pubkey
static

Definition at line 68 of file gnunet-secretsharing-profiler.c.

Referenced by secret_ready_cb(), and session_disconnect_adapter().

◆ num_connected_sessions

unsigned int num_connected_sessions
static

Definition at line 71 of file gnunet-secretsharing-profiler.c.

Referenced by session_connect_complete().

◆ num_connected_decrypt

unsigned int num_connected_decrypt
static

Definition at line 73 of file gnunet-secretsharing-profiler.c.

Referenced by decrypt_connect_complete().

◆ peers

struct GNUNET_TESTBED_Peer** peers
static

Handles to the running peers.

When peers[i] is NULL, the i-th peer has stopped.

Definition at line 79 of file gnunet-secretsharing-profiler.c.

◆ peer_ids

struct GNUNET_PeerIdentity* peer_ids
static

Definition at line 81 of file gnunet-secretsharing-profiler.c.

◆ num_retrieved_peer_ids

unsigned int num_retrieved_peer_ids
static

Definition at line 83 of file gnunet-secretsharing-profiler.c.

Referenced by peer_info_cb().

◆ num_generated

unsigned int num_generated
static

Definition at line 85 of file gnunet-secretsharing-profiler.c.

Referenced by secret_ready_cb(), and session_disconnect_adapter().

◆ num_decrypted

unsigned int num_decrypted
static

Definition at line 87 of file gnunet-secretsharing-profiler.c.

Referenced by decrypt_cb().

◆ session_id

struct GNUNET_HashCode session_id
static

Definition at line 89 of file gnunet-secretsharing-profiler.c.

Referenced by run(), and session_connect_adapter().

◆ verbose

unsigned int verbose
static

Definition at line 91 of file gnunet-secretsharing-profiler.c.

Referenced by main().

◆ reference_plaintext

struct GNUNET_SECRETSHARING_Plaintext reference_plaintext
static

Definition at line 93 of file gnunet-secretsharing-profiler.c.

Referenced by decrypt_cb(), and session_disconnect_adapter().

◆ ciphertext

struct GNUNET_SECRETSHARING_Ciphertext ciphertext
static

◆ dkg_start

struct GNUNET_TIME_Absolute dkg_start
static

Definition at line 97 of file gnunet-secretsharing-profiler.c.

Referenced by run(), and session_connect_adapter().

◆ dkg_deadline

struct GNUNET_TIME_Absolute dkg_deadline
static

Definition at line 99 of file gnunet-secretsharing-profiler.c.

Referenced by run(), and session_connect_adapter().

◆ decrypt_start

struct GNUNET_TIME_Absolute decrypt_start
static

◆ decrypt_deadline

struct GNUNET_TIME_Absolute decrypt_deadline
static

◆ connect_ops

struct GNUNET_TESTBED_Operation** connect_ops
static

Connect operations, one for every peer.

Definition at line 109 of file gnunet-secretsharing-profiler.c.

◆ in_shutdown

int in_shutdown
static

Are we performing a shutdown right now?

Definition at line 114 of file gnunet-secretsharing-profiler.c.

Referenced by handle_shutdown(), and session_disconnect_adapter().