/*
- This file is part of GNUnet.
- Copyright (C) 2009, 2010, 2011, 2012, 2013, 2016 GNUnet e.V.
-
- GNUnet is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published
- by the Free Software Foundation; either version 3, or (at your
- option) any later version.
-
- GNUnet is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with GNUnet; see the file COPYING. If not, write to the
- Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
- Boston, MA 02110-1301, USA.
+ This file is part of GNUnet.
+ Copyright (C) 2009, 2010, 2011, 2012, 2013, 2016 GNUnet e.V.
+
+ GNUnet is free software: you can redistribute it and/or modify it
+ under the terms of the GNU Affero General Public License as published
+ by the Free Software Foundation, either version 3 of the License,
+ or (at your option) any later version.
+
+ GNUnet is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Affero General Public License for more details.
+
+ You should have received a copy of the GNU Affero General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+ SPDX-License-Identifier: AGPL3.0-or-later
*/
/**
#include <gcrypt.h>
-
/**
* Should messages be delayed randomly? This option should be set to
* #GNUNET_NO only for experiments, not in production.
#define HISTORY_SIZE 64
/**
- * Message priority to use.
+ * Message priority to use. No real rush, reliability not
+ * required. Corking OK.
*/
-#define NSE_PRIORITY GNUNET_CORE_PRIO_CRITICAL_CONTROL
+#define NSE_PRIORITY \
+ (GNUNET_MQ_PRIO_BACKGROUND | GNUNET_MQ_PREF_UNRELIABLE | \
+ GNUNET_MQ_PREF_CORK_ALLOWED)
#if FREEBSD
-#define log2(a) (log(a)/log(2))
+#define log2(a) (log(a) / log(2))
#endif
/**
/**
* Per-peer information.
*/
-struct NSEPeerEntry
-{
-
+struct NSEPeerEntry {
/**
* Core handle for sending messages to this peer.
*/
int previous_round;
#if ENABLE_NSE_HISTOGRAM
-
/**
* Amount of messages received from this peer on this round.
*/
* Which size did we tell the peer the network is?
*/
unsigned int last_transmitted_size;
-
#endif
-
};
* peer's timer has run out before receiving a
* valid reply from another peer.
*/
-struct GNUNET_NSE_FloodMessage
-{
+struct GNUNET_NSE_FloodMessage {
/**
* Type: #GNUNET_MESSAGE_TYPE_NSE_P2P_FLOOD
*/
* @param em message to fill in
*/
static void
-setup_estimate_message (struct GNUNET_NSE_ClientMessage *em)
+setup_estimate_message(struct GNUNET_NSE_ClientMessage *em)
{
double mean;
double sum;
sumweight = 0.0;
variance = 0.0;
for (unsigned int i = 0; i < estimate_count; i++)
- {
- unsigned int j = (estimate_index - i + HISTORY_SIZE) % HISTORY_SIZE;
+ {
+ unsigned int j = (estimate_index - i + HISTORY_SIZE) % HISTORY_SIZE;
- val = htonl (size_estimate_messages[j].matching_bits);
- weight = estimate_count + 1 - i;
+ val = htonl(size_estimate_messages[j].matching_bits);
+ weight = estimate_count + 1 - i;
- temp = weight + sumweight;
- q = val - mean;
- r = q * weight / temp;
- mean += r;
- sum += sumweight * q * r;
- sumweight = temp;
- }
+ temp = weight + sumweight;
+ q = val - mean;
+ r = q * weight / temp;
+ mean += r;
+ sum += sumweight * q * r;
+ sumweight = temp;
+ }
if (estimate_count > 0)
variance = (sum / sumweight) * estimate_count / (estimate_count - 1.0);
#else
mean = 0.0;
for (unsigned int i = 0; i < estimate_count; i++)
- {
- unsigned int j = (estimate_index - i + HISTORY_SIZE) % HISTORY_SIZE;
+ {
+ unsigned int j = (estimate_index - i + HISTORY_SIZE) % HISTORY_SIZE;
- val = htonl (size_estimate_messages[j].matching_bits);
- sum += val;
- vsq += val * val;
- }
+ val = htonl(size_estimate_messages[j].matching_bits);
+ sum += val;
+ vsq += val * val;
+ }
if (0 != estimate_count)
- {
- mean = sum / estimate_count;
- variance = (vsq - mean * sum) / (estimate_count - 1.0); // terrible for numerical stability...
- }
+ {
+ mean = sum / estimate_count;
+ variance = (vsq - mean * sum) /
+ (estimate_count - 1.0); // terrible for numerical stability...
+ }
#endif
if (variance >= 0)
- std_dev = sqrt (variance);
+ std_dev = sqrt(variance);
else
- std_dev = variance; /* must be infinity due to estimate_count == 0 */
+ std_dev = variance; /* must be infinity due to estimate_count == 0 */
current_std_dev = std_dev;
current_size_estimate = mean;
- em->header.size = htons (sizeof (struct GNUNET_NSE_ClientMessage));
- em->header.type = htons (GNUNET_MESSAGE_TYPE_NSE_ESTIMATE);
- em->reserved = htonl (0);
- em->timestamp = GNUNET_TIME_absolute_hton (GNUNET_TIME_absolute_get ());
+ em->header.size = htons(sizeof(struct GNUNET_NSE_ClientMessage));
+ em->header.type = htons(GNUNET_MESSAGE_TYPE_NSE_ESTIMATE);
+ em->reserved = htonl(0);
+ em->timestamp = GNUNET_TIME_absolute_hton(GNUNET_TIME_absolute_get());
{
double se = mean - 0.332747;
- unsigned int j = GNUNET_CONTAINER_multipeermap_size (peers);
+ unsigned int j = GNUNET_CONTAINER_multipeermap_size(peers);
if (0 == j)
j = 1; /* Avoid log2(0); can only happen if CORE didn't report
- connection to self yet */
- nsize = log2 (j);
- em->size_estimate = GNUNET_hton_double (GNUNET_MAX (se,
- nsize));
- em->std_deviation = GNUNET_hton_double (std_dev);
- GNUNET_STATISTICS_set (stats,
- "# nodes in the network (estimate)",
- (uint64_t) pow (2, GNUNET_MAX (se,
- nsize)),
- GNUNET_NO);
+ connection to self yet */
+ nsize = log2(j);
+ em->size_estimate = GNUNET_hton_double(GNUNET_MAX(se, nsize));
+ em->std_deviation = GNUNET_hton_double(std_dev);
+ GNUNET_STATISTICS_set(stats,
+ "# nodes in the network (estimate)",
+ (uint64_t)pow(2, GNUNET_MAX(se, nsize)),
+ GNUNET_NO);
}
}
* @param message the message received
*/
static void
-handle_start (void *cls,
- const struct GNUNET_MessageHeader *message)
+handle_start(void *cls, const struct GNUNET_MessageHeader *message)
{
struct GNUNET_SERVICE_Client *client = cls;
struct GNUNET_MQ_Handle *mq;
struct GNUNET_NSE_ClientMessage em;
struct GNUNET_MQ_Envelope *env;
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Received START message from client\n");
- mq = GNUNET_SERVICE_client_get_mq (client);
- GNUNET_notification_context_add (nc,
- mq);
- setup_estimate_message (&em);
- env = GNUNET_MQ_msg_copy (&em.header);
- GNUNET_MQ_send (mq,
- env);
- GNUNET_SERVICE_client_continue (client);
+ (void)message;
+ GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Received START message from client\n");
+ mq = GNUNET_SERVICE_client_get_mq(client);
+ GNUNET_notification_context_add(nc, mq);
+ setup_estimate_message(&em);
+ env = GNUNET_MQ_msg_copy(&em.header);
+ GNUNET_MQ_send(mq, env);
+ GNUNET_SERVICE_client_continue(client);
}
* @param matching_bits number of matching bits to consider
*/
static double
-get_matching_bits_delay (uint32_t matching_bits)
+get_matching_bits_delay(uint32_t matching_bits)
{
/* Calculated as: S + f/2 - (f / pi) * (atan(x - p')) */
// S is next_timestamp (ignored in return value)
// f is frequency (gnunet_nse_interval)
// x is matching_bits
// p' is current_size_estimate
- return ((double) gnunet_nse_interval.rel_value_us / (double) 2.0) -
- ((gnunet_nse_interval.rel_value_us / M_PI) *
- atan (matching_bits - current_size_estimate));
+ return ((double)gnunet_nse_interval.rel_value_us / (double)2.0) -
+ ((gnunet_nse_interval.rel_value_us / M_PI) *
+ atan(matching_bits - current_size_estimate));
}
* @return random delay to apply
*/
static struct GNUNET_TIME_Relative
-get_delay_randomization (uint32_t matching_bits)
+get_delay_randomization(uint32_t matching_bits)
{
#if USE_RANDOM_DELAYS
struct GNUNET_TIME_Relative ret;
uint32_t i;
double d;
- d = get_matching_bits_delay (matching_bits);
- i = (uint32_t) (d / (double) (hop_count_max + 1));
+ d = get_matching_bits_delay(matching_bits);
+ i = (uint32_t)(d / (double)(hop_count_max + 1));
ret.rel_value_us = i;
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Randomizing flood using latencies up to %s\n",
- GNUNET_STRINGS_relative_time_to_string (ret,
- GNUNET_YES));
- ret.rel_value_us = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK, i + 1);
+ GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
+ "Randomizing flood using latencies up to %s\n",
+ GNUNET_STRINGS_relative_time_to_string(ret, GNUNET_YES));
+ ret.rel_value_us =
+ GNUNET_CRYPTO_random_u32(GNUNET_CRYPTO_QUALITY_WEAK, i + 1);
return ret;
#else
return GNUNET_TIME_UNIT_ZERO;
* @param result where to write the resulting hash
*/
static void
-pow_hash (const void *buf,
- size_t buf_len,
- struct GNUNET_HashCode *result)
+pow_hash(const void *buf, size_t buf_len, struct GNUNET_HashCode *result)
{
- GNUNET_break (0 ==
- gcry_kdf_derive (buf, buf_len,
- GCRY_KDF_SCRYPT,
- 1 /* subalgo */,
- "gnunet-proof-of-work",
- strlen ("gnunet-proof-of-work"),
- 2 /* iterations; keep cost of individual op small */,
- sizeof (struct GNUNET_HashCode),
- result));
+ GNUNET_break(
+ 0 == gcry_kdf_derive(buf,
+ buf_len,
+ GCRY_KDF_SCRYPT,
+ 1 /* subalgo */,
+ "gnunet-proof-of-work",
+ strlen("gnunet-proof-of-work"),
+ 2 /* iterations; keep cost of individual op small */,
+ sizeof(struct GNUNET_HashCode),
+ result));
}
* @return number of matching bits
*/
static uint32_t
-get_matching_bits (struct GNUNET_TIME_Absolute timestamp,
- const struct GNUNET_PeerIdentity *id)
+get_matching_bits(struct GNUNET_TIME_Absolute timestamp,
+ const struct GNUNET_PeerIdentity *id)
{
struct GNUNET_HashCode timestamp_hash;
struct GNUNET_HashCode pid_hash;
- GNUNET_CRYPTO_hash (×tamp.abs_value_us,
- sizeof (timestamp.abs_value_us),
- ×tamp_hash);
- GNUNET_CRYPTO_hash (id,
- sizeof (struct GNUNET_PeerIdentity),
- &pid_hash);
- return GNUNET_CRYPTO_hash_matching_bits (×tamp_hash,
- &pid_hash);
+ GNUNET_CRYPTO_hash(×tamp.abs_value_us,
+ sizeof(timestamp.abs_value_us),
+ ×tamp_hash);
+ GNUNET_CRYPTO_hash(id, sizeof(struct GNUNET_PeerIdentity), &pid_hash);
+ return GNUNET_CRYPTO_hash_matching_bits(×tamp_hash, &pid_hash);
}
* @return delay that should be applied
*/
static struct GNUNET_TIME_Relative
-get_transmit_delay (int round_offset)
+get_transmit_delay(int round_offset)
{
struct GNUNET_TIME_Relative ret;
struct GNUNET_TIME_Absolute tgt;
uint32_t matching_bits;
switch (round_offset)
- {
- case -1:
- /* previous round is randomized between 0 and 50 ms */
+ {
+ case -1:
+ /* previous round is randomized between 0 and 50 ms */
#if USE_RANDOM_DELAYS
- ret.rel_value_us = GNUNET_CRYPTO_random_u64 (GNUNET_CRYPTO_QUALITY_WEAK,
- 50);
+ ret.rel_value_us =
+ GNUNET_CRYPTO_random_u64(GNUNET_CRYPTO_QUALITY_WEAK, 50);
#else
- ret = GNUNET_TIME_UNIT_ZERO;
+ ret = GNUNET_TIME_UNIT_ZERO;
#endif
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Transmitting previous round behind schedule in %s\n",
- GNUNET_STRINGS_relative_time_to_string (ret,
- GNUNET_YES));
- return ret;
- case 0:
- /* current round is based on best-known matching_bits */
- matching_bits =
- ntohl (size_estimate_messages[estimate_index].matching_bits);
- dist_delay = get_matching_bits_delay (matching_bits);
- dist_delay += get_delay_randomization (matching_bits).rel_value_us;
- ret.rel_value_us = (uint64_t) dist_delay;
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "For round %s, delay for %u matching bits is %s\n",
- GNUNET_STRINGS_absolute_time_to_string (current_timestamp),
- (unsigned int) matching_bits,
- GNUNET_STRINGS_relative_time_to_string (ret,
- GNUNET_YES));
- /* now consider round start time and add delay to it */
- tgt = GNUNET_TIME_absolute_add (current_timestamp,
- ret);
- return GNUNET_TIME_absolute_get_remaining (tgt);
- }
- GNUNET_break (0);
+ GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
+ "Transmitting previous round behind schedule in %s\n",
+ GNUNET_STRINGS_relative_time_to_string(ret, GNUNET_YES));
+ return ret;
+
+ case 0:
+ /* current round is based on best-known matching_bits */
+ matching_bits =
+ ntohl(size_estimate_messages[estimate_index].matching_bits);
+ dist_delay = get_matching_bits_delay(matching_bits);
+ dist_delay += get_delay_randomization(matching_bits).rel_value_us;
+ ret.rel_value_us = (uint64_t)dist_delay;
+ GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
+ "For round %s, delay for %u matching bits is %s\n",
+ GNUNET_STRINGS_absolute_time_to_string(current_timestamp),
+ (unsigned int)matching_bits,
+ GNUNET_STRINGS_relative_time_to_string(ret, GNUNET_YES));
+ /* now consider round start time and add delay to it */
+ tgt = GNUNET_TIME_absolute_add(current_timestamp, ret);
+ return GNUNET_TIME_absolute_get_remaining(tgt);
+ }
+ GNUNET_break(0);
return GNUNET_TIME_UNIT_FOREVER_REL;
}
* @param cls the `struct NSEPeerEntry *`
*/
static void
-transmit_task_cb (void *cls)
+transmit_task_cb(void *cls)
{
struct NSEPeerEntry *peer_entry = cls;
unsigned int idx;
peer_entry->transmit_task = NULL;
idx = estimate_index;
if (GNUNET_NO == peer_entry->previous_round)
- {
- idx = (idx + HISTORY_SIZE - 1) % HISTORY_SIZE;
- peer_entry->previous_round = GNUNET_YES;
- peer_entry->transmit_task
- = GNUNET_SCHEDULER_add_delayed (get_transmit_delay (0),
- &transmit_task_cb,
- peer_entry);
- }
- if ((0 == ntohl (size_estimate_messages[idx].hop_count)) &&
+ {
+ idx = (idx + HISTORY_SIZE - 1) % HISTORY_SIZE;
+ peer_entry->previous_round = GNUNET_YES;
+ peer_entry->transmit_task =
+ GNUNET_SCHEDULER_add_delayed(get_transmit_delay(0),
+ &transmit_task_cb,
+ peer_entry);
+ }
+ if ((0 == ntohl(size_estimate_messages[idx].hop_count)) &&
(NULL != proof_task))
- {
- GNUNET_STATISTICS_update (stats,
- "# flood messages not generated (no proof yet)",
- 1,
- GNUNET_NO);
- return;
- }
- if (0 == ntohs (size_estimate_messages[idx].header.size))
- {
- GNUNET_STATISTICS_update (stats,
- "# flood messages not generated (lack of history)",
- 1,
- GNUNET_NO);
- return;
- }
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "In round %s, sending to `%s' estimate with %u bits\n",
- GNUNET_STRINGS_absolute_time_to_string (GNUNET_TIME_absolute_ntoh (size_estimate_messages[idx].timestamp)),
- GNUNET_i2s (peer_entry->id),
- (unsigned int) ntohl (size_estimate_messages[idx].matching_bits));
- if (0 == ntohl (size_estimate_messages[idx].hop_count))
- GNUNET_STATISTICS_update (stats,
- "# flood messages started",
- 1,
- GNUNET_NO);
- GNUNET_STATISTICS_update (stats,
- "# flood messages transmitted",
- 1,
- GNUNET_NO);
+ {
+ GNUNET_STATISTICS_update(stats,
+ "# flood messages not generated (no proof yet)",
+ 1,
+ GNUNET_NO);
+ return;
+ }
+ if (0 == ntohs(size_estimate_messages[idx].header.size))
+ {
+ GNUNET_STATISTICS_update(stats,
+ "# flood messages not generated (lack of history)",
+ 1,
+ GNUNET_NO);
+ return;
+ }
+ GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
+ "In round %s, sending to `%s' estimate with %u bits\n",
+ GNUNET_STRINGS_absolute_time_to_string(
+ GNUNET_TIME_absolute_ntoh(
+ size_estimate_messages[idx].timestamp)),
+ GNUNET_i2s(peer_entry->id),
+ (unsigned int)ntohl(size_estimate_messages[idx].matching_bits));
+ if (0 == ntohl(size_estimate_messages[idx].hop_count))
+ GNUNET_STATISTICS_update(stats, "# flood messages started", 1, GNUNET_NO);
+ GNUNET_STATISTICS_update(stats,
+ "# flood messages transmitted",
+ 1,
+ GNUNET_NO);
#if ENABLE_NSE_HISTOGRAM
peer_entry->transmitted_messages++;
- peer_entry->last_transmitted_size
- = ntohl(size_estimate_messages[idx].matching_bits);
+ peer_entry->last_transmitted_size =
+ ntohl(size_estimate_messages[idx].matching_bits);
#endif
- env = GNUNET_MQ_msg_copy (&size_estimate_messages[idx].header);
- GNUNET_MQ_send (peer_entry->mq,
- env);
+ env = GNUNET_MQ_msg_copy(&size_estimate_messages[idx].header);
+ GNUNET_MQ_send(peer_entry->mq, env);
}
* clients.
*/
static void
-update_network_size_estimate ()
+update_network_size_estimate()
{
struct GNUNET_NSE_ClientMessage em;
- setup_estimate_message (&em);
- GNUNET_notification_context_broadcast (nc,
- &em.header,
- GNUNET_YES);
+ setup_estimate_message(&em);
+ GNUNET_notification_context_broadcast(nc, &em.header, GNUNET_YES);
}
* @param ts timestamp to use
*/
static void
-setup_flood_message (unsigned int slot,
- struct GNUNET_TIME_Absolute ts)
+setup_flood_message(unsigned int slot, struct GNUNET_TIME_Absolute ts)
{
struct GNUNET_NSE_FloodMessage *fm;
uint32_t matching_bits;
- matching_bits = get_matching_bits (ts,
- &my_identity);
+ matching_bits = get_matching_bits(ts, &my_identity);
fm = &size_estimate_messages[slot];
- fm->header.size = htons (sizeof (struct GNUNET_NSE_FloodMessage));
- fm->header.type = htons (GNUNET_MESSAGE_TYPE_NSE_P2P_FLOOD);
- fm->hop_count = htonl (0);
- fm->purpose.purpose = htonl (GNUNET_SIGNATURE_PURPOSE_NSE_SEND);
+ fm->header.size = htons(sizeof(struct GNUNET_NSE_FloodMessage));
+ fm->header.type = htons(GNUNET_MESSAGE_TYPE_NSE_P2P_FLOOD);
+ fm->hop_count = htonl(0);
+ fm->purpose.purpose = htonl(GNUNET_SIGNATURE_PURPOSE_NSE_SEND);
fm->purpose.size =
- htonl (sizeof (struct GNUNET_NSE_FloodMessage) -
- sizeof (struct GNUNET_MessageHeader) - sizeof (uint32_t) -
- sizeof (struct GNUNET_CRYPTO_EddsaSignature));
- fm->matching_bits = htonl (matching_bits);
- fm->timestamp = GNUNET_TIME_absolute_hton (ts);
+ htonl(sizeof(struct GNUNET_NSE_FloodMessage) -
+ sizeof(struct GNUNET_MessageHeader) - sizeof(uint32_t) -
+ sizeof(struct GNUNET_CRYPTO_EddsaSignature));
+ fm->matching_bits = htonl(matching_bits);
+ fm->timestamp = GNUNET_TIME_absolute_hton(ts);
fm->origin = my_identity;
fm->proof_of_work = my_proof;
if (nse_work_required > 0)
- GNUNET_assert (GNUNET_OK ==
- GNUNET_CRYPTO_eddsa_sign (my_private_key,
- &fm->purpose,
- &fm->signature));
+ GNUNET_assert(GNUNET_OK == GNUNET_CRYPTO_eddsa_sign(my_private_key,
+ &fm->purpose,
+ &fm->signature));
else
- memset (&fm->signature,
- 0,
- sizeof (fm->signature));
+ memset(&fm->signature, 0, sizeof(fm->signature));
}
* @return #GNUNET_OK (continue to iterate)
*/
static int
-schedule_current_round (void *cls,
- const struct GNUNET_PeerIdentity * key,
- void *value)
+schedule_current_round(void *cls,
+ const struct GNUNET_PeerIdentity *key,
+ void *value)
{
struct NSEPeerEntry *peer_entry = value;
struct GNUNET_TIME_Relative delay;
+ (void)cls;
+ (void)key;
if (NULL != peer_entry->transmit_task)
- {
- GNUNET_SCHEDULER_cancel (peer_entry->transmit_task);
- peer_entry->previous_round = GNUNET_NO;
- }
+ {
+ GNUNET_SCHEDULER_cancel(peer_entry->transmit_task);
+ peer_entry->previous_round = GNUNET_NO;
+ }
#if ENABLE_NSE_HISTOGRAM
if (peer_entry->received_messages > 1)
GNUNET_STATISTICS_update(stats,
- "# extra messages",
+ "# extra messages",
peer_entry->received_messages - 1,
- GNUNET_NO);
+ GNUNET_NO);
peer_entry->transmitted_messages = 0;
peer_entry->last_transmitted_size = 0;
peer_entry->received_messages = 0;
#endif
delay =
- get_transmit_delay ((GNUNET_NO == peer_entry->previous_round) ? -1 : 0);
+ get_transmit_delay((GNUNET_NO == peer_entry->previous_round) ? -1 : 0);
peer_entry->transmit_task =
- GNUNET_SCHEDULER_add_delayed (delay,
- &transmit_task_cb,
- peer_entry);
+ GNUNET_SCHEDULER_add_delayed(delay, &transmit_task_cb, peer_entry);
return GNUNET_OK;
}
* @param cls unused
*/
static void
-update_flood_message (void *cls)
+update_flood_message(void *cls)
{
struct GNUNET_TIME_Relative offset;
- unsigned int i;
+ (void)cls;
flood_task = NULL;
- offset = GNUNET_TIME_absolute_get_remaining (next_timestamp);
+ offset = GNUNET_TIME_absolute_get_remaining(next_timestamp);
if (0 != offset.rel_value_us)
- {
- /* somehow run early, delay more */
- flood_task =
- GNUNET_SCHEDULER_add_delayed (offset,
- &update_flood_message,
- NULL);
- return;
- }
+ {
+ /* somehow run early, delay more */
+ flood_task =
+ GNUNET_SCHEDULER_add_delayed(offset, &update_flood_message, NULL);
+ return;
+ }
estimate_index = (estimate_index + 1) % HISTORY_SIZE;
if (estimate_count < HISTORY_SIZE)
estimate_count++;
current_timestamp = next_timestamp;
next_timestamp =
- GNUNET_TIME_absolute_add (current_timestamp, gnunet_nse_interval);
- if ( (current_timestamp.abs_value_us ==
- GNUNET_TIME_absolute_ntoh (next_message.timestamp).abs_value_us) &&
- (get_matching_bits (current_timestamp, &my_identity) <
- ntohl(next_message.matching_bits)) )
- {
- /* we received a message for this round way early, use it! */
- size_estimate_messages[estimate_index] = next_message;
- size_estimate_messages[estimate_index].hop_count =
- htonl (1 + ntohl (next_message.hop_count));
- }
+ GNUNET_TIME_absolute_add(current_timestamp, gnunet_nse_interval);
+ if ((current_timestamp.abs_value_us ==
+ GNUNET_TIME_absolute_ntoh(next_message.timestamp).abs_value_us) &&
+ (get_matching_bits(current_timestamp, &my_identity) <
+ ntohl(next_message.matching_bits)))
+ {
+ /* we received a message for this round way early, use it! */
+ size_estimate_messages[estimate_index] = next_message;
+ size_estimate_messages[estimate_index].hop_count =
+ htonl(1 + ntohl(next_message.hop_count));
+ }
else
- setup_flood_message (estimate_index,
- current_timestamp);
- next_message.matching_bits = htonl (0); /* reset for 'next' round */
+ setup_flood_message(estimate_index, current_timestamp);
+ next_message.matching_bits = htonl(0); /* reset for 'next' round */
hop_count_max = 0;
- for (i = 0; i < HISTORY_SIZE; i++)
- hop_count_max = GNUNET_MAX (ntohl (size_estimate_messages[i].hop_count),
- hop_count_max);
- GNUNET_CONTAINER_multipeermap_iterate (peers,
- &schedule_current_round,
- NULL);
- flood_task
- = GNUNET_SCHEDULER_add_at (next_timestamp,
- &update_flood_message,
- NULL);
+ for (unsigned int i = 0; i < HISTORY_SIZE; i++)
+ hop_count_max =
+ GNUNET_MAX(ntohl(size_estimate_messages[i].hop_count), hop_count_max);
+ GNUNET_CONTAINER_multipeermap_iterate(peers, &schedule_current_round, NULL);
+ flood_task =
+ GNUNET_SCHEDULER_add_at(next_timestamp, &update_flood_message, NULL);
}
* @return the number of leading zero bits.
*/
static unsigned int
-count_leading_zeroes (const struct GNUNET_HashCode *hash)
+count_leading_zeroes(const struct GNUNET_HashCode *hash)
{
unsigned int hash_count;
hash_count = 0;
- while (0 == GNUNET_CRYPTO_hash_get_bit (hash,
- hash_count))
+ while (0 == GNUNET_CRYPTO_hash_get_bit(hash, hash_count))
hash_count++;
return hash_count;
}
* @return #GNUNET_YES if valid, #GNUNET_NO if not
*/
static int
-check_proof_of_work (const struct GNUNET_CRYPTO_EddsaPublicKey *pkey,
- uint64_t val)
+check_proof_of_work(const struct GNUNET_CRYPTO_EddsaPublicKey *pkey,
+ uint64_t val)
{
- char buf[sizeof (struct GNUNET_CRYPTO_EddsaPublicKey) +
- sizeof (val)] GNUNET_ALIGN;
+ char buf[sizeof(struct GNUNET_CRYPTO_EddsaPublicKey) +
+ sizeof(val)] GNUNET_ALIGN;
struct GNUNET_HashCode result;
- GNUNET_memcpy (buf,
- &val,
- sizeof (val));
- GNUNET_memcpy (&buf[sizeof (val)],
- pkey,
- sizeof (struct GNUNET_CRYPTO_EddsaPublicKey));
- pow_hash (buf,
- sizeof (buf),
- &result);
- return (count_leading_zeroes (&result) >=
- nse_work_required) ? GNUNET_YES : GNUNET_NO;
+ GNUNET_memcpy(buf, &val, sizeof(val));
+ GNUNET_memcpy(&buf[sizeof(val)],
+ pkey,
+ sizeof(struct GNUNET_CRYPTO_EddsaPublicKey));
+ pow_hash(buf, sizeof(buf), &result);
+ return (count_leading_zeroes(&result) >= nse_work_required) ? GNUNET_YES
+ : GNUNET_NO;
}
* Write our current proof to disk.
*/
static void
-write_proof ()
+write_proof()
{
char *proof;
if (GNUNET_OK !=
- GNUNET_CONFIGURATION_get_value_filename (cfg,
- "NSE",
- "PROOFFILE",
- &proof))
+ GNUNET_CONFIGURATION_get_value_filename(cfg, "NSE", "PROOFFILE", &proof))
return;
- if (sizeof (my_proof) !=
- GNUNET_DISK_fn_write (proof,
- &my_proof,
- sizeof (my_proof),
- GNUNET_DISK_PERM_USER_READ |
- GNUNET_DISK_PERM_USER_WRITE))
- GNUNET_log_strerror_file (GNUNET_ERROR_TYPE_WARNING,
- "write",
- proof);
- GNUNET_free (proof);
+ if (sizeof(my_proof) != GNUNET_DISK_fn_write(proof,
+ &my_proof,
+ sizeof(my_proof),
+ GNUNET_DISK_PERM_USER_READ |
+ GNUNET_DISK_PERM_USER_WRITE))
+ GNUNET_log_strerror_file(GNUNET_ERROR_TYPE_WARNING, "write", proof);
+ GNUNET_free(proof);
}
* @param cls closure (unused)
*/
static void
-find_proof (void *cls)
+find_proof(void *cls)
{
#define ROUND_SIZE 10
uint64_t counter;
- char buf[sizeof (struct GNUNET_CRYPTO_EddsaPublicKey) +
- sizeof (uint64_t)] GNUNET_ALIGN;
+ char buf[sizeof(struct GNUNET_CRYPTO_EddsaPublicKey) +
+ sizeof(uint64_t)] GNUNET_ALIGN;
struct GNUNET_HashCode result;
unsigned int i;
+ (void)cls;
proof_task = NULL;
- GNUNET_memcpy (&buf[sizeof (uint64_t)], &my_identity,
- sizeof (struct GNUNET_PeerIdentity));
+ GNUNET_memcpy(&buf[sizeof(uint64_t)],
+ &my_identity,
+ sizeof(struct GNUNET_PeerIdentity));
i = 0;
counter = my_proof;
while ((counter != UINT64_MAX) && (i < ROUND_SIZE))
- {
- GNUNET_memcpy (buf, &counter, sizeof (uint64_t));
- pow_hash (buf, sizeof (buf), &result);
- if (nse_work_required <= count_leading_zeroes (&result))
{
- my_proof = counter;
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Proof of work found: %llu!\n",
- (unsigned long long) GNUNET_ntohll (counter));
- write_proof ();
- setup_flood_message (estimate_index, current_timestamp);
- return;
+ GNUNET_memcpy(buf, &counter, sizeof(uint64_t));
+ pow_hash(buf, sizeof(buf), &result);
+ if (nse_work_required <= count_leading_zeroes(&result))
+ {
+ my_proof = counter;
+ GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
+ "Proof of work found: %llu!\n",
+ (unsigned long long)GNUNET_ntohll(counter));
+ write_proof();
+ setup_flood_message(estimate_index, current_timestamp);
+ return;
+ }
+ counter++;
+ i++;
}
- counter++;
- i++;
- }
if (my_proof / (100 * ROUND_SIZE) < counter / (100 * ROUND_SIZE))
- {
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Testing proofs currently at %llu\n",
- (unsigned long long) counter);
- /* remember progress every 100 rounds */
- my_proof = counter;
- write_proof ();
- }
+ {
+ GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
+ "Testing proofs currently at %llu\n",
+ (unsigned long long)counter);
+ /* remember progress every 100 rounds */
+ my_proof = counter;
+ write_proof();
+ }
else
- {
- my_proof = counter;
- }
+ {
+ my_proof = counter;
+ }
proof_task =
- GNUNET_SCHEDULER_add_delayed_with_priority (proof_find_delay,
- GNUNET_SCHEDULER_PRIORITY_IDLE,
- &find_proof, NULL);
+ GNUNET_SCHEDULER_add_delayed_with_priority(proof_find_delay,
+ GNUNET_SCHEDULER_PRIORITY_IDLE,
+ &find_proof,
+ NULL);
}
* #GNUNET_NO if the key/signature don't verify
*/
static int
-verify_message_crypto (const struct GNUNET_NSE_FloodMessage *incoming_flood)
+verify_message_crypto(const struct GNUNET_NSE_FloodMessage *incoming_flood)
{
- if (GNUNET_YES !=
- check_proof_of_work (&incoming_flood->origin.public_key,
- incoming_flood->proof_of_work))
- {
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Proof of work invalid: %llu!\n",
- (unsigned long long)
- GNUNET_ntohll (incoming_flood->proof_of_work));
- GNUNET_break_op (0);
- return GNUNET_NO;
- }
+ if (GNUNET_YES != check_proof_of_work(&incoming_flood->origin.public_key,
+ incoming_flood->proof_of_work))
+ {
+ GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
+ "Proof of work invalid: %llu!\n",
+ (unsigned long long)GNUNET_ntohll(
+ incoming_flood->proof_of_work));
+ GNUNET_break_op(0);
+ return GNUNET_NO;
+ }
if ((nse_work_required > 0) &&
(GNUNET_OK !=
- GNUNET_CRYPTO_eddsa_verify (GNUNET_SIGNATURE_PURPOSE_NSE_SEND,
- &incoming_flood->purpose,
- &incoming_flood->signature,
- &incoming_flood->origin.public_key)))
- {
- GNUNET_break_op (0);
- return GNUNET_NO;
- }
+ GNUNET_CRYPTO_eddsa_verify(GNUNET_SIGNATURE_PURPOSE_NSE_SEND,
+ &incoming_flood->purpose,
+ &incoming_flood->signature,
+ &incoming_flood->origin.public_key)))
+ {
+ GNUNET_break_op(0);
+ return GNUNET_NO;
+ }
return GNUNET_YES;
}
* @return #GNUNET_OK (continue to iterate)
*/
static int
-update_flood_times (void *cls,
- const struct GNUNET_PeerIdentity *key,
- void *value)
+update_flood_times(void *cls,
+ const struct GNUNET_PeerIdentity *key,
+ void *value)
{
struct NSEPeerEntry *exclude = cls;
struct NSEPeerEntry *peer_entry = value;
struct GNUNET_TIME_Relative delay;
+ (void)key;
if (peer_entry == exclude)
- return GNUNET_OK; /* trigger of the update */
+ return GNUNET_OK; /* trigger of the update */
if (GNUNET_NO == peer_entry->previous_round)
- {
- /* still stuck in previous round, no point to update, check that
- * we are active here though... */
- if (NULL == peer_entry->transmit_task)
{
- GNUNET_break (0);
+ /* still stuck in previous round, no point to update, check that
+ * we are active here though... */
+ if (NULL == peer_entry->transmit_task)
+ {
+ GNUNET_break(0);
+ }
+ return GNUNET_OK;
}
- return GNUNET_OK;
- }
if (NULL != peer_entry->transmit_task)
- {
- GNUNET_SCHEDULER_cancel (peer_entry->transmit_task);
- peer_entry->transmit_task = NULL;
- }
- delay = get_transmit_delay (0);
+ {
+ GNUNET_SCHEDULER_cancel(peer_entry->transmit_task);
+ peer_entry->transmit_task = NULL;
+ }
+ delay = get_transmit_delay(0);
peer_entry->transmit_task =
- GNUNET_SCHEDULER_add_delayed (delay,
- &transmit_task_cb, peer_entry);
+ GNUNET_SCHEDULER_add_delayed(delay, &transmit_task_cb, peer_entry);
return GNUNET_OK;
}
* @param incoming_flood received message
*/
static void
-handle_p2p_estimate (void *cls,
- const struct GNUNET_NSE_FloodMessage *incoming_flood)
+handle_p2p_estimate(void *cls,
+ const struct GNUNET_NSE_FloodMessage *incoming_flood)
{
struct NSEPeerEntry *peer_entry = cls;
struct GNUNET_TIME_Absolute ts;
t = GNUNET_TIME_absolute_get().abs_value_us;
if (NULL != lh)
- GNUNET_TESTBED_LOGGER_write (lh, &t, sizeof (uint64_t));
+ GNUNET_TESTBED_LOGGER_write(lh, &t, sizeof(uint64_t));
if (NULL != histogram)
- GNUNET_BIO_write_int64 (histogram, t);
+ GNUNET_BIO_write_int64(histogram, t);
}
#endif
- GNUNET_STATISTICS_update (stats,
- "# flood messages received",
- 1,
- GNUNET_NO);
- matching_bits = ntohl (incoming_flood->matching_bits);
+ GNUNET_STATISTICS_update(stats, "# flood messages received", 1, GNUNET_NO);
+ matching_bits = ntohl(incoming_flood->matching_bits);
#if DEBUG_NSE
{
char origin[5];
char pred[5];
struct GNUNET_PeerIdentity os;
- GNUNET_snprintf (origin,
- sizeof (origin),
- "%s",
- GNUNET_i2s (&incoming_flood->origin));
- GNUNET_snprintf (pred,
- sizeof (pred),
- "%s",
- GNUNET_i2s (peer_entry->id));
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Flood at %s from `%s' via `%s' at `%s' with bits %u\n",
- GNUNET_STRINGS_absolute_time_to_string (GNUNET_TIME_absolute_ntoh (incoming_flood->timestamp)),
- origin,
- pred,
- GNUNET_i2s (&my_identity),
- (unsigned int) matching_bits);
+ GNUNET_snprintf(origin,
+ sizeof(origin),
+ "%s",
+ GNUNET_i2s(&incoming_flood->origin));
+ GNUNET_snprintf(pred, sizeof(pred), "%s", GNUNET_i2s(peer_entry->id));
+ GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
+ "Flood at %s from `%s' via `%s' at `%s' with bits %u\n",
+ GNUNET_STRINGS_absolute_time_to_string(
+ GNUNET_TIME_absolute_ntoh(incoming_flood->timestamp)),
+ origin,
+ pred,
+ GNUNET_i2s(&my_identity),
+ (unsigned int)matching_bits);
}
#endif
peer_entry->received_messages++;
if (peer_entry->transmitted_messages > 0 &&
peer_entry->last_transmitted_size >= matching_bits)
- GNUNET_STATISTICS_update(stats,
- "# cross messages",
- 1,
- GNUNET_NO);
+ GNUNET_STATISTICS_update(stats, "# cross messages", 1, GNUNET_NO);
#endif
- ts = GNUNET_TIME_absolute_ntoh (incoming_flood->timestamp);
+ ts = GNUNET_TIME_absolute_ntoh(incoming_flood->timestamp);
if (ts.abs_value_us == current_timestamp.abs_value_us)
idx = estimate_index;
else if (ts.abs_value_us ==
current_timestamp.abs_value_us - gnunet_nse_interval.rel_value_us)
idx = (estimate_index + HISTORY_SIZE - 1) % HISTORY_SIZE;
else if (ts.abs_value_us == next_timestamp.abs_value_us)
- {
- if (matching_bits <= ntohl (next_message.matching_bits))
- return; /* ignore, simply too early/late */
- if (GNUNET_YES !=
- verify_message_crypto (incoming_flood))
{
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "Peer %s is likely ill-configured!\n",
- GNUNET_i2s (peer_entry->id));
- GNUNET_break_op (0);
+ if (matching_bits <= ntohl(next_message.matching_bits))
+ return; /* ignore, simply too early/late */
+ if (GNUNET_YES != verify_message_crypto(incoming_flood))
+ {
+ GNUNET_log(GNUNET_ERROR_TYPE_ERROR,
+ "Peer %s is likely ill-configured!\n",
+ GNUNET_i2s(peer_entry->id));
+ GNUNET_break_op(0);
+ return;
+ }
+ next_message = *incoming_flood;
return;
}
- next_message = *incoming_flood;
- return;
- }
else
- {
- GNUNET_STATISTICS_update (stats,
- "# flood messages discarded (clock skew too large)",
- 1, GNUNET_NO);
- return;
- }
- if (0 == (memcmp (peer_entry->id,
- &my_identity,
- sizeof (struct GNUNET_PeerIdentity))))
- {
- /* send to self, update our own estimate IF this also comes from us! */
- if (0 ==
- memcmp (&incoming_flood->origin,
- &my_identity, sizeof (my_identity)))
- update_network_size_estimate ();
- return;
- }
- if (matching_bits ==
- ntohl (size_estimate_messages[idx].matching_bits))
- {
- /* Cancel transmission in the other direction, as this peer clearly has
- up-to-date information already. Even if we didn't talk to this peer in
- the previous round, we should no longer send it stale information as it
- told us about the current round! */
- peer_entry->previous_round = GNUNET_YES;
- if (idx != estimate_index)
{
- /* do not transmit information for the previous round to this peer
- anymore (but allow current round) */
+ GNUNET_STATISTICS_update(stats,
+ "# flood messages discarded (clock skew too large)",
+ 1,
+ GNUNET_NO);
return;
}
- /* got up-to-date information for current round, cancel transmission to
- * this peer altogether */
- if (NULL != peer_entry->transmit_task)
+ if (0 == (GNUNET_memcmp(peer_entry->id, &my_identity)))
{
- GNUNET_SCHEDULER_cancel (peer_entry->transmit_task);
- peer_entry->transmit_task = NULL;
+ /* send to self, update our own estimate IF this also comes from us! */
+ if (0 == GNUNET_memcmp(&incoming_flood->origin, &my_identity))
+ update_network_size_estimate();
+ return;
}
- return;
- }
- if (matching_bits < ntohl (size_estimate_messages[idx].matching_bits))
- {
- if ( (idx < estimate_index) &&
- (peer_entry->previous_round == GNUNET_YES))
+ if (matching_bits == ntohl(size_estimate_messages[idx].matching_bits))
{
- peer_entry->previous_round = GNUNET_NO;
+ /* Cancel transmission in the other direction, as this peer clearly has
+ up-to-date information already. Even if we didn't talk to this peer in
+ the previous round, we should no longer send it stale information as it
+ told us about the current round! */
+ peer_entry->previous_round = GNUNET_YES;
+ if (idx != estimate_index)
+ {
+ /* do not transmit information for the previous round to this peer
+ anymore (but allow current round) */
+ return;
+ }
+ /* got up-to-date information for current round, cancel transmission to
+ * this peer altogether */
+ if (NULL != peer_entry->transmit_task)
+ {
+ GNUNET_SCHEDULER_cancel(peer_entry->transmit_task);
+ peer_entry->transmit_task = NULL;
+ }
+ return;
}
- /* push back our result now, that peer is spreading bad information... */
- if (NULL != peer_entry->transmit_task)
- GNUNET_SCHEDULER_cancel (peer_entry->transmit_task);
- peer_entry->transmit_task
- = GNUNET_SCHEDULER_add_now (&transmit_task_cb,
- peer_entry);
- /* Not closer than our most recent message, no need to do work here */
- GNUNET_STATISTICS_update (stats,
- "# flood messages ignored (had closer already)",
- 1,
- GNUNET_NO);
- return;
- }
- if (GNUNET_YES !=
- verify_message_crypto (incoming_flood))
- {
- GNUNET_break_op (0);
- return;
- }
- GNUNET_assert (matching_bits >
- ntohl (size_estimate_messages[idx].matching_bits));
+ if (matching_bits < ntohl(size_estimate_messages[idx].matching_bits))
+ {
+ if ((idx < estimate_index) && (peer_entry->previous_round == GNUNET_YES))
+ {
+ peer_entry->previous_round = GNUNET_NO;
+ }
+ /* push back our result now, that peer is spreading bad information... */
+ if (NULL != peer_entry->transmit_task)
+ GNUNET_SCHEDULER_cancel(peer_entry->transmit_task);
+ peer_entry->transmit_task =
+ GNUNET_SCHEDULER_add_now(&transmit_task_cb, peer_entry);
+ /* Not closer than our most recent message, no need to do work here */
+ GNUNET_STATISTICS_update(stats,
+ "# flood messages ignored (had closer already)",
+ 1,
+ GNUNET_NO);
+ return;
+ }
+ if (GNUNET_YES != verify_message_crypto(incoming_flood))
+ {
+ GNUNET_break_op(0);
+ return;
+ }
+ GNUNET_assert(matching_bits >
+ ntohl(size_estimate_messages[idx].matching_bits));
/* Cancel transmission in the other direction, as this peer clearly has
* up-to-date information already.
*/
peer_entry->previous_round = GNUNET_YES;
if (idx == estimate_index)
- {
- /* cancel any activity for current round */
- if (NULL != peer_entry->transmit_task)
{
- GNUNET_SCHEDULER_cancel (peer_entry->transmit_task);
- peer_entry->transmit_task = NULL;
+ /* cancel any activity for current round */
+ if (NULL != peer_entry->transmit_task)
+ {
+ GNUNET_SCHEDULER_cancel(peer_entry->transmit_task);
+ peer_entry->transmit_task = NULL;
+ }
}
- }
size_estimate_messages[idx] = *incoming_flood;
size_estimate_messages[idx].hop_count =
- htonl (ntohl (incoming_flood->hop_count) + 1);
+ htonl(ntohl(incoming_flood->hop_count) + 1);
hop_count_max =
- GNUNET_MAX (ntohl (incoming_flood->hop_count) + 1,
- hop_count_max);
- GNUNET_STATISTICS_set (stats,
- "# estimated network diameter",
- hop_count_max, GNUNET_NO);
+ GNUNET_MAX(ntohl(incoming_flood->hop_count) + 1, hop_count_max);
+ GNUNET_STATISTICS_set(stats,
+ "# estimated network diameter",
+ hop_count_max,
+ GNUNET_NO);
/* have a new, better size estimate, inform clients */
- update_network_size_estimate ();
+ update_network_size_estimate();
/* flood to rest */
- GNUNET_CONTAINER_multipeermap_iterate (peers,
- &update_flood_times,
- peer_entry);
+ GNUNET_CONTAINER_multipeermap_iterate(peers,
+ &update_flood_times,
+ peer_entry);
}
* @param peer peer identity this notification is about
*/
static void *
-handle_core_connect (void *cls,
- const struct GNUNET_PeerIdentity *peer,
- struct GNUNET_MQ_Handle *mq)
+handle_core_connect(void *cls,
+ const struct GNUNET_PeerIdentity *peer,
+ struct GNUNET_MQ_Handle *mq)
{
struct NSEPeerEntry *peer_entry;
- uint64_t flags;
- const void *extra;
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Peer `%s' connected to us\n",
- GNUNET_i2s (peer));
+ (void)cls;
+ GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
+ "Peer `%s' connected to us\n",
+ GNUNET_i2s(peer));
/* set our default transmission options */
- extra = GNUNET_CORE_get_mq_options (GNUNET_NO,
- NSE_PRIORITY,
- &flags);
- GNUNET_MQ_set_options (mq,
- flags,
- extra);
+ GNUNET_MQ_set_options(mq, NSE_PRIORITY);
/* create our peer entry for this peer */
- peer_entry = GNUNET_new (struct NSEPeerEntry);
+ peer_entry = GNUNET_new(struct NSEPeerEntry);
peer_entry->id = peer;
peer_entry->mq = mq;
- GNUNET_assert (GNUNET_OK ==
- GNUNET_CONTAINER_multipeermap_put (peers,
- peer_entry->id,
- peer_entry,
- GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_ONLY));
+ GNUNET_assert(GNUNET_OK ==
+ GNUNET_CONTAINER_multipeermap_put(
+ peers,
+ peer_entry->id,
+ peer_entry,
+ GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_ONLY));
peer_entry->transmit_task =
- GNUNET_SCHEDULER_add_delayed (get_transmit_delay (-1),
- &transmit_task_cb,
- peer_entry);
- GNUNET_STATISTICS_update (stats,
- "# peers connected",
- 1,
- GNUNET_NO);
+ GNUNET_SCHEDULER_add_delayed(get_transmit_delay(-1),
+ &transmit_task_cb,
+ peer_entry);
+ GNUNET_STATISTICS_update(stats, "# peers connected", 1, GNUNET_NO);
return peer_entry;
}
* @parma internal_cls the `struct NSEPeerEntry` for the @a peer
*/
static void
-handle_core_disconnect (void *cls,
- const struct GNUNET_PeerIdentity *peer,
- void *internal_cls)
+handle_core_disconnect(void *cls,
+ const struct GNUNET_PeerIdentity *peer,
+ void *internal_cls)
{
struct NSEPeerEntry *pos = internal_cls;
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Peer `%s' disconnected from us\n",
- GNUNET_i2s (peer));
- GNUNET_assert (GNUNET_YES ==
- GNUNET_CONTAINER_multipeermap_remove (peers,
- peer,
- pos));
+ (void)cls;
+ GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
+ "Peer `%s' disconnected from us\n",
+ GNUNET_i2s(peer));
+ GNUNET_assert(GNUNET_YES ==
+ GNUNET_CONTAINER_multipeermap_remove(peers, peer, pos));
if (NULL != pos->transmit_task)
- {
- GNUNET_SCHEDULER_cancel (pos->transmit_task);
- pos->transmit_task = NULL;
- }
- GNUNET_free (pos);
- GNUNET_STATISTICS_update (stats,
- "# peers connected",
- -1,
- GNUNET_NO);
+ {
+ GNUNET_SCHEDULER_cancel(pos->transmit_task);
+ pos->transmit_task = NULL;
+ }
+ GNUNET_free(pos);
+ GNUNET_STATISTICS_update(stats, "# peers connected", -1, GNUNET_NO);
}
* @param size the amount of data sent (ignored)
*/
static void
-flush_comp_cb (void *cls,
- size_t size)
+flush_comp_cb(void *cls, size_t size)
{
- GNUNET_TESTBED_LOGGER_disconnect (lh);
+ (void)cls;
+ (void)size;
+ GNUNET_TESTBED_LOGGER_disconnect(lh);
lh = NULL;
}
#endif
* @param cls unused
*/
static void
-shutdown_task (void *cls)
+shutdown_task(void *cls)
{
+ (void)cls;
if (NULL != flood_task)
- {
- GNUNET_SCHEDULER_cancel (flood_task);
- flood_task = NULL;
- }
+ {
+ GNUNET_SCHEDULER_cancel(flood_task);
+ flood_task = NULL;
+ }
if (NULL != proof_task)
- {
- GNUNET_SCHEDULER_cancel (proof_task);
- proof_task = NULL;
- write_proof (); /* remember progress */
- }
+ {
+ GNUNET_SCHEDULER_cancel(proof_task);
+ proof_task = NULL;
+ write_proof(); /* remember progress */
+ }
if (NULL != nc)
- {
- GNUNET_notification_context_destroy (nc);
- nc = NULL;
- }
+ {
+ GNUNET_notification_context_destroy(nc);
+ nc = NULL;
+ }
if (NULL != core_api)
- {
- GNUNET_CORE_disconnect (core_api);
- core_api = NULL;
- }
+ {
+ GNUNET_CORE_disconnect(core_api);
+ core_api = NULL;
+ }
if (NULL != stats)
- {
- GNUNET_STATISTICS_destroy (stats, GNUNET_NO);
- stats = NULL;
- }
+ {
+ GNUNET_STATISTICS_destroy(stats, GNUNET_NO);
+ stats = NULL;
+ }
if (NULL != peers)
- {
- GNUNET_CONTAINER_multipeermap_destroy (peers);
- peers = NULL;
- }
+ {
+ GNUNET_CONTAINER_multipeermap_destroy(peers);
+ peers = NULL;
+ }
if (NULL != my_private_key)
- {
- GNUNET_free (my_private_key);
- my_private_key = NULL;
- }
+ {
+ GNUNET_free(my_private_key);
+ my_private_key = NULL;
+ }
#if ENABLE_NSE_HISTOGRAM
if (NULL != logger_test)
- {
- GNUNET_CLIENT_service_test_cancel (logger_test);
- logger_test = NULL;
- }
+ {
+ GNUNET_CLIENT_service_test_cancel(logger_test);
+ logger_test = NULL;
+ }
if (NULL != lh)
- {
- GNUNET_TESTBED_LOGGER_flush (lh,
- &flush_comp_cb,
- NULL);
- }
+ {
+ GNUNET_TESTBED_LOGGER_flush(lh, &flush_comp_cb, NULL);
+ }
if (NULL != histogram)
- {
- GNUNET_BIO_write_close (histogram);
- histogram = NULL;
- }
+ {
+ GNUNET_BIO_write_close(histogram);
+ histogram = NULL;
+ }
#endif
}
* @param identity the public identity of this peer
*/
static void
-core_init (void *cls,
- const struct GNUNET_PeerIdentity *identity)
+core_init(void *cls, const struct GNUNET_PeerIdentity *identity)
{
struct GNUNET_TIME_Absolute now;
struct GNUNET_TIME_Absolute prev_time;
+ (void)cls;
if (NULL == identity)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "Connection to core FAILED!\n");
- GNUNET_SCHEDULER_shutdown ();
- return;
- }
- GNUNET_assert (0 ==
- memcmp (&my_identity,
- identity,
- sizeof (struct GNUNET_PeerIdentity)));
- now = GNUNET_TIME_absolute_get ();
+ {
+ GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Connection to core FAILED!\n");
+ GNUNET_SCHEDULER_shutdown();
+ return;
+ }
+ GNUNET_assert(0 == GNUNET_memcmp(&my_identity, identity));
+ now = GNUNET_TIME_absolute_get();
current_timestamp.abs_value_us =
- (now.abs_value_us / gnunet_nse_interval.rel_value_us) *
- gnunet_nse_interval.rel_value_us;
+ (now.abs_value_us / gnunet_nse_interval.rel_value_us) *
+ gnunet_nse_interval.rel_value_us;
next_timestamp =
- GNUNET_TIME_absolute_add (current_timestamp,
- gnunet_nse_interval);
+ GNUNET_TIME_absolute_add(current_timestamp, gnunet_nse_interval);
estimate_index = HISTORY_SIZE - 1;
estimate_count = 0;
- if (GNUNET_YES ==
- check_proof_of_work (&my_identity.public_key,
- my_proof))
- {
- int idx = (estimate_index + HISTORY_SIZE - 1) % HISTORY_SIZE;
- prev_time.abs_value_us =
+ if (GNUNET_YES == check_proof_of_work(&my_identity.public_key, my_proof))
+ {
+ int idx = (estimate_index + HISTORY_SIZE - 1) % HISTORY_SIZE;
+ prev_time.abs_value_us =
current_timestamp.abs_value_us - gnunet_nse_interval.rel_value_us;
- setup_flood_message (idx,
- prev_time);
- setup_flood_message (estimate_index,
- current_timestamp);
- estimate_count++;
- }
- flood_task
- = GNUNET_SCHEDULER_add_at (next_timestamp,
- &update_flood_message,
- NULL);
+ setup_flood_message(idx, prev_time);
+ setup_flood_message(estimate_index, current_timestamp);
+ estimate_count++;
+ }
+ flood_task =
+ GNUNET_SCHEDULER_add_at(next_timestamp, &update_flood_message, NULL);
}
* #GNUNET_SYSERR if the configuration is invalid
*/
static void
-status_cb (void *cls,
- int status)
+status_cb(void *cls, int status)
{
+ (void)cls;
logger_test = NULL;
if (GNUNET_YES != status)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
- "Testbed logger not running\n");
- return;
- }
- if (NULL == (lh = GNUNET_TESTBED_LOGGER_connect (cfg)))
- {
- GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
- "Cannot connect to the testbed logger. Exiting.\n");
- GNUNET_SCHEDULER_shutdown ();
- }
+ {
+ GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "Testbed logger not running\n");
+ return;
+ }
+ if (NULL == (lh = GNUNET_TESTBED_LOGGER_connect(cfg)))
+ {
+ GNUNET_log(GNUNET_ERROR_TYPE_WARNING,
+ "Cannot connect to the testbed logger. Exiting.\n");
+ GNUNET_SCHEDULER_shutdown();
+ }
}
#endif
* @param service the initialized service
*/
static void
-run (void *cls,
- const struct GNUNET_CONFIGURATION_Handle *c,
- struct GNUNET_SERVICE_Handle *service)
+run(void *cls,
+ const struct GNUNET_CONFIGURATION_Handle *c,
+ struct GNUNET_SERVICE_Handle *service)
{
- struct GNUNET_MQ_MessageHandler core_handlers[] = {
- GNUNET_MQ_hd_fixed_size (p2p_estimate,
- GNUNET_MESSAGE_TYPE_NSE_P2P_FLOOD,
- struct GNUNET_NSE_FloodMessage,
- NULL),
- GNUNET_MQ_handler_end ()
- };
+ struct GNUNET_MQ_MessageHandler core_handlers[] =
+ { GNUNET_MQ_hd_fixed_size(p2p_estimate,
+ GNUNET_MESSAGE_TYPE_NSE_P2P_FLOOD,
+ struct GNUNET_NSE_FloodMessage,
+ NULL),
+ GNUNET_MQ_handler_end() };
char *proof;
struct GNUNET_CRYPTO_EddsaPrivateKey *pk;
+ (void)cls;
+ (void)service;
cfg = c;
- if (GNUNET_OK !=
- GNUNET_CONFIGURATION_get_value_time (cfg,
- "NSE",
- "INTERVAL",
- &gnunet_nse_interval))
- {
- GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR,
- "NSE",
- "INTERVAL");
- GNUNET_SCHEDULER_shutdown ();
- return;
- }
- if (GNUNET_OK !=
- GNUNET_CONFIGURATION_get_value_time (cfg,
- "NSE",
- "WORKDELAY",
- &proof_find_delay))
- {
- GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR,
- "NSE",
- "WORKDELAY");
- GNUNET_SCHEDULER_shutdown ();
- return;
- }
- if (GNUNET_OK !=
- GNUNET_CONFIGURATION_get_value_number (cfg,
- "NSE",
- "WORKBITS",
- &nse_work_required))
- {
- GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR,
- "NSE",
- "WORKBITS");
- GNUNET_SCHEDULER_shutdown ();
- return;
- }
- if (nse_work_required >= sizeof (struct GNUNET_HashCode) * 8)
- {
- GNUNET_log_config_invalid (GNUNET_ERROR_TYPE_ERROR,
- "NSE",
- "WORKBITS",
- _("Value is too large.\n"));
- GNUNET_SCHEDULER_shutdown ();
- return;
- }
+ if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_time(cfg,
+ "NSE",
+ "INTERVAL",
+ &gnunet_nse_interval))
+ {
+ GNUNET_log_config_missing(GNUNET_ERROR_TYPE_ERROR, "NSE", "INTERVAL");
+ GNUNET_SCHEDULER_shutdown();
+ return;
+ }
+ if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_time(cfg,
+ "NSE",
+ "WORKDELAY",
+ &proof_find_delay))
+ {
+ GNUNET_log_config_missing(GNUNET_ERROR_TYPE_ERROR, "NSE", "WORKDELAY");
+ GNUNET_SCHEDULER_shutdown();
+ return;
+ }
+ if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_number(cfg,
+ "NSE",
+ "WORKBITS",
+ &nse_work_required))
+ {
+ GNUNET_log_config_missing(GNUNET_ERROR_TYPE_ERROR, "NSE", "WORKBITS");
+ GNUNET_SCHEDULER_shutdown();
+ return;
+ }
+ if (nse_work_required >= sizeof(struct GNUNET_HashCode) * 8)
+ {
+ GNUNET_log_config_invalid(GNUNET_ERROR_TYPE_ERROR,
+ "NSE",
+ "WORKBITS",
+ _("Value is too large.\n"));
+ GNUNET_SCHEDULER_shutdown();
+ return;
+ }
#if ENABLE_NSE_HISTOGRAM
{
char *histogram_dir;
char *histogram_fn;
- if (GNUNET_OK ==
- GNUNET_CONFIGURATION_get_value_filename (cfg,
- "NSE",
- "HISTOGRAM_DIR",
- &histogram_dir))
- {
- GNUNET_assert (0 < GNUNET_asprintf (&histogram_fn,
- "%s/timestamps",
- histogram_dir));
- GNUNET_free (histogram_dir);
- histogram = GNUNET_BIO_write_open (histogram_fn);
- if (NULL == histogram)
- GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
- "Unable to open histogram file `%s'\n",
- histogram_fn);
- GNUNET_free (histogram_fn);
- }
- logger_test =
- GNUNET_CLIENT_service_test ("testbed-logger",
- cfg,
- GNUNET_TIME_UNIT_SECONDS,
- &status_cb,
- NULL);
-
+ if (GNUNET_OK == GNUNET_CONFIGURATION_get_value_filename(cfg,
+ "NSE",
+ "HISTOGRAM_DIR",
+ &histogram_dir))
+ {
+ GNUNET_assert(
+ 0 < GNUNET_asprintf(&histogram_fn, "%s/timestamps", histogram_dir));
+ GNUNET_free(histogram_dir);
+ histogram = GNUNET_BIO_write_open(histogram_fn);
+ if (NULL == histogram)
+ GNUNET_log(GNUNET_ERROR_TYPE_WARNING,
+ "Unable to open histogram file `%s'\n",
+ histogram_fn);
+ GNUNET_free(histogram_fn);
+ }
+ logger_test = GNUNET_CLIENT_service_test("testbed-logger",
+ cfg,
+ GNUNET_TIME_UNIT_SECONDS,
+ &status_cb,
+ NULL);
}
#endif
- GNUNET_SCHEDULER_add_shutdown (&shutdown_task,
- NULL);
- pk = GNUNET_CRYPTO_eddsa_key_create_from_configuration (cfg);
- GNUNET_assert (NULL != pk);
+ GNUNET_SCHEDULER_add_shutdown(&shutdown_task, NULL);
+ pk = GNUNET_CRYPTO_eddsa_key_create_from_configuration(cfg);
+ GNUNET_assert(NULL != pk);
my_private_key = pk;
- GNUNET_CRYPTO_eddsa_key_get_public (my_private_key,
- &my_identity.public_key);
+ GNUNET_CRYPTO_eddsa_key_get_public(my_private_key, &my_identity.public_key);
if (GNUNET_OK !=
- GNUNET_CONFIGURATION_get_value_filename (cfg,
- "NSE",
- "PROOFFILE",
- &proof))
- {
- GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR,
- "NSE",
- "PROOFFILE");
- GNUNET_free (my_private_key);
- my_private_key = NULL;
- GNUNET_SCHEDULER_shutdown ();
- return;
- }
- if ((GNUNET_YES != GNUNET_DISK_file_test (proof)) ||
- (sizeof (my_proof) !=
- GNUNET_DISK_fn_read (proof,
- &my_proof,
- sizeof (my_proof))))
+ GNUNET_CONFIGURATION_get_value_filename(cfg, "NSE", "PROOFFILE", &proof))
+ {
+ GNUNET_log_config_missing(GNUNET_ERROR_TYPE_ERROR, "NSE", "PROOFFILE");
+ GNUNET_free(my_private_key);
+ my_private_key = NULL;
+ GNUNET_SCHEDULER_shutdown();
+ return;
+ }
+ if ((GNUNET_YES != GNUNET_DISK_file_test(proof)) ||
+ (sizeof(my_proof) !=
+ GNUNET_DISK_fn_read(proof, &my_proof, sizeof(my_proof))))
my_proof = 0;
- GNUNET_free (proof);
+ GNUNET_free(proof);
proof_task =
- GNUNET_SCHEDULER_add_with_priority (GNUNET_SCHEDULER_PRIORITY_IDLE,
- &find_proof,
- NULL);
+ GNUNET_SCHEDULER_add_with_priority(GNUNET_SCHEDULER_PRIORITY_IDLE,
+ &find_proof,
+ NULL);
- peers = GNUNET_CONTAINER_multipeermap_create (128,
- GNUNET_YES);
- nc = GNUNET_notification_context_create (1);
+ peers = GNUNET_CONTAINER_multipeermap_create(128, GNUNET_YES);
+ nc = GNUNET_notification_context_create(1);
/* Connect to core service and register core handlers */
- core_api = GNUNET_CORE_connect (cfg, /* Main configuration */
- NULL, /* Closure passed to functions */
- &core_init, /* Call core_init once connected */
- &handle_core_connect, /* Handle connects */
- &handle_core_disconnect, /* Handle disconnects */
- core_handlers); /* Register these handlers */
+ core_api =
+ GNUNET_CORE_connect(cfg, /* Main configuration */
+ NULL, /* Closure passed to functions */
+ &core_init, /* Call core_init once connected */
+ &handle_core_connect, /* Handle connects */
+ &handle_core_disconnect, /* Handle disconnects */
+ core_handlers); /* Register these handlers */
if (NULL == core_api)
- {
- GNUNET_SCHEDULER_shutdown ();
- return;
- }
- stats = GNUNET_STATISTICS_create ("nse",
- cfg);
+ {
+ GNUNET_SCHEDULER_shutdown();
+ return;
+ }
+ stats = GNUNET_STATISTICS_create("nse", cfg);
}
* @return @a c
*/
static void *
-client_connect_cb (void *cls,
- struct GNUNET_SERVICE_Client *c,
- struct GNUNET_MQ_Handle *mq)
+client_connect_cb(void *cls,
+ struct GNUNET_SERVICE_Client *c,
+ struct GNUNET_MQ_Handle *mq)
{
+ (void)cls;
+ (void)mq;
return c;
}
* @param internal_cls should be equal to @a c
*/
static void
-client_disconnect_cb (void *cls,
- struct GNUNET_SERVICE_Client *c,
- void *internal_cls)
+client_disconnect_cb(void *cls,
+ struct GNUNET_SERVICE_Client *c,
+ void *internal_cls)
{
- GNUNET_assert (c == internal_cls);
+ (void)cls;
+ GNUNET_assert(c == internal_cls);
}
/**
* Define "main" method using service macro.
*/
-GNUNET_SERVICE_MAIN
-("nse",
- GNUNET_SERVICE_OPTION_NONE,
- &run,
- &client_connect_cb,
- &client_disconnect_cb,
- NULL,
- GNUNET_MQ_hd_fixed_size (start,
- GNUNET_MESSAGE_TYPE_NSE_START,
- struct GNUNET_MessageHeader,
- NULL),
- GNUNET_MQ_handler_end ());
+GNUNET_SERVICE_MAIN("nse",
+ GNUNET_SERVICE_OPTION_NONE,
+ &run,
+ &client_connect_cb,
+ &client_disconnect_cb,
+ NULL,
+ GNUNET_MQ_hd_fixed_size(start,
+ GNUNET_MESSAGE_TYPE_NSE_START,
+ struct GNUNET_MessageHeader,
+ NULL),
+ GNUNET_MQ_handler_end());
#if defined(LINUX) && defined(__GLIBC__)
/**
* MINIMIZE heap size (way below 128k) since this process doesn't need much.
*/
-void __attribute__ ((constructor))
-GNUNET_ARM_memory_init ()
+void __attribute__ ((constructor)) GNUNET_ARM_memory_init()
{
- mallopt (M_TRIM_THRESHOLD, 4 * 1024);
- mallopt (M_TOP_PAD, 1 * 1024);
- malloc_trim (0);
+ mallopt(M_TRIM_THRESHOLD, 4 * 1024);
+ mallopt(M_TOP_PAD, 1 * 1024);
+ malloc_trim(0);
}
#endif
-
/* end of gnunet-service-nse.c */
projects / oweals / gnunet.git / blobdiff