/*
This file is part of GNUnet.
- (C) 2010-2013 Christian Grothoff (and other contributing authors)
+ Copyright (C) 2010-2013 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 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
- General Public License for more details.
+ Affero 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., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA.
+ 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
*/
/**
* @author Matthias Wachs
*/
#include "platform.h"
-#include "gnunet-service-transport_blacklist.h"
-#include "gnunet-service-transport_clients.h"
#include "gnunet-service-transport_hello.h"
#include "gnunet-service-transport_neighbours.h"
#include "gnunet-service-transport_plugins.h"
#include "gnunet-service-transport.h"
#include "transport.h"
-enum TRAFFIC_METRIC_DIRECTION
-{
- TM_SEND = 0, TM_RECEIVE = 1, TM_BOTH = 2
-};
/**
* Struct containing information about manipulations to a specific peer
*/
-struct TM_Peer;
-
-/**
- * Manipulation entry
- */
-struct PropManipulationEntry
+struct TM_Peer
{
/**
- * Next in DLL
- */
- struct PropManipulationEntry *next;
-
- /**
- * Previous in DLL
- */
- struct PropManipulationEntry *prev;
-
- /**
- * ATS type in HBO
+ * Peer ID
*/
- uint32_t type;
+ struct GNUNET_PeerIdentity peer;
/**
- * Value in HBO
+ * How long to delay incoming messages for this peer.
*/
- uint32_t metrics[TM_BOTH];
-
-};
+ struct GNUNET_TIME_Relative delay_in;
-/**
- * Struct containing information about manipulations to a specific peer
- */
-struct TM_Peer
-{
/**
- * Peer ID
+ * How long to delay outgoing messages for this peer.
*/
- struct GNUNET_PeerIdentity peer;
-
- struct PropManipulationEntry *head;
- struct PropManipulationEntry *tail;
+ struct GNUNET_TIME_Relative delay_out;
/**
- * Peer specific manipulation metrics
+ * Manipulated properties to use for this peer.
*/
- uint32_t metrics[TM_BOTH][GNUNET_ATS_QualityPropertiesCount];
+ struct GNUNET_ATS_Properties properties;
/**
* Task to schedule delayed sendding
*/
- GNUNET_SCHEDULER_TaskIdentifier send_delay_task;
+ struct GNUNET_SCHEDULER_Task *send_delay_task;
/**
* Send queue DLL head
struct DelayQueueEntry *send_tail;
};
-struct GST_ManipulationHandle
-{
- /**
- * Hashmap contain all peers currently manipulated
- */
- struct GNUNET_CONTAINER_MultiPeerMap *peers;
-
- /**
- * Peer containing information for general manipulation
- */
- struct TM_Peer general;
-};
/**
* Entry in the delay queue for an outbound delayed message
struct DelayQueueEntry *next;
/**
- * Peer this entry is belonging to
- * if (NULL == tmp): enqueued in generic DLL and scheduled by generic_send_delay_task
- * else: enqueued in tmp->send_head and tmp->send_tail and scheduled by tmp->send_delay_task
+ * Peer this entry is belonging to if (NULL == tmp): enqueued in
+ * generic DLL and scheduled by generic_send_delay_task else:
+ * enqueued in tmp->send_head and tmp->send_tail and scheduled by
+ * tmp->send_delay_task
*/
struct TM_Peer *tmp;
void *cont_cls;
};
-struct GST_ManipulationHandle man_handle;
-
/**
- * DLL head for delayed messages based on general delay
+ * Hashmap contain all peers currently manipulated
*/
-struct DelayQueueEntry *generic_dqe_head;
+static struct GNUNET_CONTAINER_MultiPeerMap *peers;
/**
- * DLL tail for delayed messages based on general delay
+ * Inbound delay to apply to all peers.
*/
-struct DelayQueueEntry *generic_dqe_tail;
+static struct GNUNET_TIME_Relative delay_in;
/**
- * Task to schedule delayed sending based on general delay
+ * Outbound delay to apply to all peers.
*/
-GNUNET_SCHEDULER_TaskIdentifier generic_send_delay_task;
+static struct GNUNET_TIME_Relative delay_out;
-static void
-set_metric(struct TM_Peer *dest, int direction, uint32_t type, uint32_t value)
-{
- struct PropManipulationEntry *cur;
- for (cur = dest->head; NULL != cur; cur = cur->next)
- {
- if (cur->type == type)
- break;
- }
- if (NULL == cur)
- {
- cur = GNUNET_new (struct PropManipulationEntry);
- GNUNET_CONTAINER_DLL_insert(dest->head, dest->tail, cur);
- cur->type = type;
- cur->metrics[TM_SEND] = UINT32_MAX;
- cur->metrics[TM_RECEIVE] = UINT32_MAX;
- }
-
- switch (direction)
- {
- case TM_BOTH:
- cur->metrics[TM_SEND] = value;
- cur->metrics[TM_RECEIVE] = value;
- break;
- case TM_SEND:
- cur->metrics[TM_SEND] = value;
- break;
- case TM_RECEIVE:
- cur->metrics[TM_RECEIVE] = value;
- break;
- default:
- break;
- }
-
-}
-
-static uint32_t
-find_metric(struct TM_Peer *dest, uint32_t type, int direction)
-{
- struct PropManipulationEntry *cur;
-
- for (cur = dest->head; NULL != cur; cur = cur->next)
- {
- if (cur->type == type)
- return cur->metrics[direction];
-
- }
- return UINT32_MAX;
-}
+/**
+ * DLL head for delayed messages based on general delay
+ */
+static struct DelayQueueEntry *generic_dqe_head;
/**
- * Clean up metrics for a peer
+ * DLL tail for delayed messages based on general delay
*/
+static struct DelayQueueEntry *generic_dqe_tail;
-static void
-free_metric(struct TM_Peer *dest)
-{
- struct PropManipulationEntry *cur;
- struct PropManipulationEntry *next;
+/**
+ * Task to schedule delayed sending based on general delay
+ */
+static struct GNUNET_SCHEDULER_Task *generic_send_delay_task;
- for (cur = dest->head; NULL != cur; cur = next)
- {
- next = cur->next;
- GNUNET_CONTAINER_DLL_remove(dest->head, dest->tail, cur);
- GNUNET_free(cur);
- }
-}
/**
* Set traffic metric to manipulate
*
- * @param cls closure
- * @param client client sending message
* @param message containing information
*/
void
-GST_manipulation_set_metric(void *cls, struct GNUNET_SERVER_Client *client,
- const struct GNUNET_MessageHeader *message)
+GST_manipulation_set_metric (const struct TrafficMetricMessage *tm)
{
- struct TrafficMetricMessage *tm = (struct TrafficMetricMessage *) message;
- struct GNUNET_PeerIdentity dummy;
- struct GNUNET_ATS_Information *ats;
+ static struct GNUNET_PeerIdentity zero;
struct TM_Peer *tmp;
- uint32_t type;
- uint32_t value;
- uint16_t direction;
- int c;
- int c2;
-
- if (0 == ntohs(tm->ats_count))
- GNUNET_SERVER_receive_done(client, GNUNET_SYSERR);
-
- direction = TM_BOTH;
- switch (ntohs(tm->direction))
- {
- case 1:
- direction = TM_SEND;
- break;
- case 2:
- direction = TM_RECEIVE;
- break;
- case 3:
- direction = TM_BOTH;
- break;
- default:
- break;
- }
-
- memset(&dummy, '\0', sizeof(struct GNUNET_PeerIdentity));
- if (0 == memcmp(&tm->peer, &dummy, sizeof(struct GNUNET_PeerIdentity)))
- {
- GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
- "Received traffic metrics for all peers \n");
-
- ats = (struct GNUNET_ATS_Information *) &tm[1];
- for (c = 0; c < ntohs(tm->ats_count); c++)
- {
- type = htonl(ats[c].type);
- value = htonl(ats[c].value);
- set_metric(&man_handle.general, direction, type, value);
- }
- return;
- }
-
- GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
- "Received traffic metrics for peer `%s'\n", GNUNET_i2s(&tm->peer));
- if (NULL
- == (tmp = GNUNET_CONTAINER_multipeermap_get(man_handle.peers, &tm->peer)))
- {
- tmp = GNUNET_new (struct TM_Peer);
- tmp->peer = (tm->peer);
- for (c = 0; c < TM_BOTH; c++)
- {
- for (c2 = 0; c2 < GNUNET_ATS_QualityPropertiesCount; c2++)
- {
- tmp->metrics[c][c2] = UINT32_MAX;
- }
- }
- GNUNET_CONTAINER_multipeermap_put(man_handle.peers, &tm->peer, tmp,
- GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_FAST);
- }
-
- ats = (struct GNUNET_ATS_Information *) &tm[1];
- for (c = 0; c < ntohs(tm->ats_count); c++)
- {
- type = htonl(ats[c].type);
- value = htonl(ats[c].value);
- set_metric(tmp, direction, type, value);
- }
-
- GNUNET_SERVER_receive_done(client, GNUNET_OK);
+ if (0 == memcmp (&tm->peer,
+ &zero,
+ sizeof(struct GNUNET_PeerIdentity)))
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Received traffic metrics for all peers\n");
+ delay_in = GNUNET_TIME_relative_ntoh (tm->delay_in);
+ delay_out = GNUNET_TIME_relative_ntoh (tm->delay_out);
+ return;
+ }
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Received traffic metrics for peer `%s'\n",
+ GNUNET_i2s (&tm->peer));
+ if (NULL ==
+ (tmp = GNUNET_CONTAINER_multipeermap_get (peers,
+ &tm->peer)))
+ {
+ tmp = GNUNET_new (struct TM_Peer);
+ tmp->peer = tm->peer;
+ GNUNET_CONTAINER_multipeermap_put (peers,
+ &tm->peer,
+ tmp,
+ GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_FAST);
+ }
+ GNUNET_ATS_properties_ntoh (&tmp->properties,
+ &tm->properties);
+ tmp->delay_in = GNUNET_TIME_relative_ntoh (tm->delay_in);
+ tmp->delay_out = GNUNET_TIME_relative_ntoh (tm->delay_out);
}
+
+/**
+ * We have delayed transmission, now it is time to send the
+ * message.
+ *
+ * @param cls the `struct DelayQueueEntry` to transmit
+ */
static void
-send_delayed(void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+send_delayed (void *cls)
{
struct DelayQueueEntry *dqe = cls;
struct DelayQueueEntry *next;
struct TM_Peer *tmp = dqe->tmp;
- struct GNUNET_TIME_Relative delay;
+ GNUNET_break (GNUNET_YES ==
+ GST_neighbours_test_connected (&dqe->id));
if (NULL != tmp)
+ {
+ tmp->send_delay_task = NULL;
+ GNUNET_CONTAINER_DLL_remove (tmp->send_head,
+ tmp->send_tail,
+ dqe);
+ next = tmp->send_head;
+ if (NULL != next)
{
- GNUNET_break(GNUNET_YES == GST_neighbours_test_connected (&dqe->id));
- tmp->send_delay_task = GNUNET_SCHEDULER_NO_TASK;
- GNUNET_CONTAINER_DLL_remove(tmp->send_head, tmp->send_tail, dqe);
- GST_neighbours_send(&dqe->id, dqe->msg, dqe->msg_size, dqe->timeout,
- dqe->cont, dqe->cont_cls);
-
- next = tmp->send_head;
- if (NULL != next)
- {
- /* More delayed messages */
- delay = GNUNET_TIME_absolute_get_remaining(next->sent_at);
- tmp->send_delay_task = GNUNET_SCHEDULER_add_delayed(delay,
- &send_delayed, next);
- }
+ /* More delayed messages */
+ tmp->send_delay_task = GNUNET_SCHEDULER_add_at (next->sent_at,
+ &send_delayed,
+ next);
}
+ }
else
+ {
+ /* Remove from generic queue */
+ generic_send_delay_task = NULL;
+ GNUNET_CONTAINER_DLL_remove (generic_dqe_head,
+ generic_dqe_tail,
+ dqe);
+ next = generic_dqe_head;
+ if (NULL != next)
{
- /* Remove from generic queue */
- GNUNET_break(GNUNET_YES == GST_neighbours_test_connected (&dqe->id));
- generic_send_delay_task = GNUNET_SCHEDULER_NO_TASK;
- GNUNET_CONTAINER_DLL_remove(generic_dqe_head, generic_dqe_tail, dqe);
- GST_neighbours_send(&dqe->id, dqe->msg, dqe->msg_size, dqe->timeout,
- dqe->cont, dqe->cont_cls);
- next = generic_dqe_head;
- if (NULL != next)
- {
- /* More delayed messages */
- delay = GNUNET_TIME_absolute_get_remaining(next->sent_at);
- generic_send_delay_task = GNUNET_SCHEDULER_add_delayed(delay,
- &send_delayed, next);
- }
+ /* More delayed messages */
+ generic_send_delay_task = GNUNET_SCHEDULER_add_at (next->sent_at,
+ &send_delayed,
+ next);
}
+ }
+ GST_neighbours_send (&dqe->id,
+ dqe->msg,
+ dqe->msg_size,
+ dqe->timeout,
+ dqe->cont,
+ dqe->cont_cls);
GNUNET_free(dqe);
}
+
/**
- * Adapter function between transport's send function and transport plugins
+ * Adapter function between transport's send function and transport plugins.
+ * Delays message transmission if an artificial delay is configured.
*
* @param target the peer the message to send to
* @param msg the message received
* @param msg_size message size
* @param timeout timeout
* @param cont the continuation to call after sending
- * @param cont_cls cls for continuation
+ * @param cont_cls cls for @a cont
*/
void
-GST_manipulation_send(const struct GNUNET_PeerIdentity *target, const void *msg,
- size_t msg_size, struct GNUNET_TIME_Relative timeout,
- GST_NeighbourSendContinuation cont, void *cont_cls)
+GST_manipulation_send (const struct GNUNET_PeerIdentity *target,
+ const void *msg,
+ size_t msg_size,
+ struct GNUNET_TIME_Relative timeout,
+ GST_NeighbourSendContinuation cont,
+ void *cont_cls)
{
struct TM_Peer *tmp;
struct DelayQueueEntry *dqe;
struct GNUNET_TIME_Relative delay;
- if (NULL
- != (tmp = GNUNET_CONTAINER_multipeermap_get(man_handle.peers, target)))
- {
- GNUNET_break(GNUNET_YES == GST_neighbours_test_connected(target));
- /* Manipulate here */
- /* Delay */
- if (UINT32_MAX != find_metric(tmp, GNUNET_ATS_QUALITY_NET_DELAY, TM_SEND))
- {
- /* We have a delay */
- delay.rel_value_us = find_metric(tmp, GNUNET_ATS_QUALITY_NET_DELAY,
- TM_SEND);
- dqe = GNUNET_malloc (sizeof (struct DelayQueueEntry) + msg_size);
- dqe->id = *target;
- dqe->tmp = tmp;
- dqe->sent_at = GNUNET_TIME_absolute_add(GNUNET_TIME_absolute_get(),
- delay);
- dqe->cont = cont;
- dqe->cont_cls = cont_cls;
- dqe->msg = &dqe[1];
- dqe->msg_size = msg_size;
- dqe->timeout = timeout;
- memcpy(dqe->msg, msg, msg_size);
- GNUNET_CONTAINER_DLL_insert_tail(tmp->send_head, tmp->send_tail, dqe);
- if (GNUNET_SCHEDULER_NO_TASK == tmp->send_delay_task)
- tmp->send_delay_task = GNUNET_SCHEDULER_add_delayed(delay,
- &send_delayed, dqe);
- GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
- "Delaying %u byte message to peer `%s' with generic delay for %ms\n", msg_size, GNUNET_i2s (target), GNUNET_STRINGS_relative_time_to_string (delay, GNUNET_YES));
- return;
- }
- }
- else if (UINT32_MAX
- != find_metric(&man_handle.general, GNUNET_ATS_QUALITY_NET_DELAY,
- TM_SEND))
- {
- GNUNET_break(GNUNET_YES == GST_neighbours_test_connected(target));
- /* We have a delay */
- delay.rel_value_us = find_metric(&man_handle.general,
- GNUNET_ATS_QUALITY_NET_DELAY, TM_SEND);
- dqe = GNUNET_malloc (sizeof (struct DelayQueueEntry) + msg_size);
- dqe->id = *target;
- dqe->tmp = NULL;
- dqe->sent_at = GNUNET_TIME_absolute_add(GNUNET_TIME_absolute_get(),
- delay);
- dqe->cont = cont;
- dqe->cont_cls = cont_cls;
- dqe->msg = &dqe[1];
- dqe->msg_size = msg_size;
- dqe->timeout = timeout;
- memcpy(dqe->msg, msg, msg_size);
- GNUNET_CONTAINER_DLL_insert_tail(generic_dqe_head, generic_dqe_tail, dqe);
- if (GNUNET_SCHEDULER_NO_TASK == generic_send_delay_task)
- {
- generic_send_delay_task = GNUNET_SCHEDULER_add_delayed(delay,
- &send_delayed, dqe);
- }
- GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
- "Delaying %u byte message to peer `%s' with peer specific delay for %s\n", msg_size, GNUNET_i2s (target), GNUNET_STRINGS_relative_time_to_string (delay, GNUNET_YES));
- return;
- }
-
- /* Normal sending */
- GST_neighbours_send(target, msg, msg_size, timeout, cont, cont_cls);
+ if (NULL != (tmp =
+ GNUNET_CONTAINER_multipeermap_get (peers,
+ target)))
+ delay = tmp->delay_out;
+ else
+ delay = delay_out;
+ if (0 == delay.rel_value_us)
+ {
+ /* Normal sending */
+ GST_neighbours_send (target,
+ msg,
+ msg_size,
+ timeout,
+ cont, cont_cls);
+ return;
+ }
+ dqe = GNUNET_malloc (sizeof (struct DelayQueueEntry) + msg_size);
+ dqe->id = *target;
+ dqe->tmp = tmp;
+ dqe->sent_at = GNUNET_TIME_relative_to_absolute (delay);
+ dqe->cont = cont;
+ dqe->cont_cls = cont_cls;
+ dqe->msg = &dqe[1];
+ dqe->msg_size = msg_size;
+ dqe->timeout = timeout;
+ GNUNET_memcpy (dqe->msg,
+ msg,
+ msg_size);
+ if (NULL == tmp)
+ {
+ GNUNET_CONTAINER_DLL_insert_tail (generic_dqe_head,
+ generic_dqe_tail,
+ dqe);
+ if (NULL == generic_send_delay_task)
+ generic_send_delay_task = GNUNET_SCHEDULER_add_delayed (delay,
+ &send_delayed,
+ dqe);
+ }
+ else
+ {
+ GNUNET_CONTAINER_DLL_insert_tail (tmp->send_head,
+ tmp->send_tail,
+ dqe);
+ if (NULL == tmp->send_delay_task)
+ tmp->send_delay_task = GNUNET_SCHEDULER_add_delayed (delay,
+ &send_delayed,
+ dqe);
+ }
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Delaying %u byte message to peer `%s' with peer specific delay for %s\n",
+ (unsigned int) msg_size,
+ GNUNET_i2s (target),
+ GNUNET_STRINGS_relative_time_to_string (delay,
+ GNUNET_YES));
}
+
/**
* Function that will be called to manipulate ATS information according to
* current manipulation settings
*
- * @param peer the peer
* @param address binary address
* @param session the session
- * @param ats the ats information
- * @param ats_count the number of ats information
+ * @param prop[IN|OUT] metrics to modify
*/
-struct GNUNET_ATS_Information *
-GST_manipulation_manipulate_metrics(const struct GNUNET_PeerIdentity *peer,
- const struct GNUNET_HELLO_Address *address, struct Session *session,
- const struct GNUNET_ATS_Information *ats, uint32_t ats_count)
+void
+GST_manipulation_manipulate_metrics (const struct GNUNET_HELLO_Address *address,
+ struct GNUNET_ATS_Session *session,
+ struct GNUNET_ATS_Properties *prop)
{
- struct GNUNET_ATS_Information *ats_new =
- GNUNET_malloc (sizeof (struct GNUNET_ATS_Information) *ats_count);
+ const struct GNUNET_PeerIdentity *peer = &address->peer;
struct TM_Peer *tmp;
- uint32_t m_tmp;
- uint32_t g_tmp;
- int d;
- tmp = GNUNET_CONTAINER_multipeermap_get(man_handle.peers, peer);
-
- for (d = 0; d < ats_count; d++)
- {
- ats_new[d] = ats[d];
- m_tmp = UINT32_MAX;
- if (NULL != tmp)
- m_tmp = find_metric(tmp, ntohl(ats[d].type), TM_RECEIVE);
- g_tmp = find_metric(&man_handle.general, ntohl(ats[d].type), TM_RECEIVE);
-
- if (UINT32_MAX != g_tmp)
- ats_new[d].value = htonl(g_tmp);
- if (UINT32_MAX != m_tmp)
- ats_new[d].value = htonl(m_tmp);
- }
- return ats_new;
+ tmp = GNUNET_CONTAINER_multipeermap_get (peers,
+ peer);
+ if (NULL != tmp)
+ *prop = tmp->properties;
}
+
/**
* Adapter function between transport plugins and transport receive function
* manipulation delays for next send.
*
* @param cls the closure for transport
- * @param peer the peer the message was received from
+ * @param address the address and the peer the message was received from
* @param message the message received
* @param session the session the message was received on
- * @param sender_address the sender address
- * @param sender_address_len the length of the sender address
* @return manipulated delay for next receive
*/
struct GNUNET_TIME_Relative
GST_manipulation_recv (void *cls,
- const struct GNUNET_HELLO_Address *address,
- struct Session *session,
- const struct GNUNET_MessageHeader *message)
+ const struct GNUNET_HELLO_Address *address,
+ struct GNUNET_ATS_Session *session,
+ const struct GNUNET_MessageHeader *message)
{
struct TM_Peer *tmp;
- uint32_t p_recv_delay;
- uint32_t g_recv_delay;
struct GNUNET_TIME_Relative quota_delay;
struct GNUNET_TIME_Relative m_delay;
- g_recv_delay = find_metric(&man_handle.general, GNUNET_ATS_QUALITY_NET_DELAY,
- TM_RECEIVE);
- if ((g_recv_delay >= GNUNET_TIME_UNIT_ZERO.rel_value_us)
- && (UINT32_MAX != g_recv_delay))
- m_delay.rel_value_us = g_recv_delay; /* Global delay */
+ if (NULL !=
+ (tmp = GNUNET_CONTAINER_multipeermap_get (peers,
+ &address->peer)))
+ m_delay = tmp->delay_in;
else
- m_delay = GNUNET_TIME_UNIT_ZERO;
-
- if (NULL != (tmp = GNUNET_CONTAINER_multipeermap_get(man_handle.peers, &address->peer)))
- {
- /* Manipulate receive delay */
- p_recv_delay = find_metric(tmp, GNUNET_ATS_QUALITY_NET_DELAY, TM_RECEIVE);
- if (UINT32_MAX != p_recv_delay)
- m_delay.rel_value_us = p_recv_delay; /* Peer specific delay */
- }
-
- quota_delay = GST_receive_callback(cls, address, session, message);
-
- if (quota_delay.rel_value_us > m_delay.rel_value_us)
- m_delay = quota_delay;
-
- GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
- "Delaying next receive for peer `%s' for %s\n",
- GNUNET_i2s (&address->peer),
- GNUNET_STRINGS_relative_time_to_string (m_delay, GNUNET_YES));
+ m_delay = delay_in;
+
+ quota_delay = GST_receive_callback (cls,
+ address,
+ session,
+ message);
+ m_delay = GNUNET_TIME_relative_max (m_delay,
+ quota_delay);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Delaying next receive for peer `%s' for %s\n",
+ GNUNET_i2s (&address->peer),
+ GNUNET_STRINGS_relative_time_to_string (m_delay,
+ GNUNET_YES));
return m_delay;
-
}
+
/**
* Initialize traffic manipulation
- *
- * @param GST_cfg configuration handle
*/
void
-GST_manipulation_init(const struct GNUNET_CONFIGURATION_Handle *GST_cfg)
+GST_manipulation_init ()
{
- unsigned long long tmp;
struct GNUNET_TIME_Relative delay;
- if ((GNUNET_OK
- == GNUNET_CONFIGURATION_get_value_number(GST_cfg, "transport",
- "MANIPULATE_DISTANCE_IN", &tmp)) && (tmp > 0))
- {
- GNUNET_log(GNUNET_ERROR_TYPE_INFO,
- "Setting inbound distance_in to %llu\n", (unsigned long long) tmp);
- set_metric(&man_handle.general, TM_RECEIVE,
- GNUNET_ATS_QUALITY_NET_DISTANCE, tmp);
- }
-
- if ((GNUNET_OK
- == GNUNET_CONFIGURATION_get_value_number(GST_cfg, "transport",
- "MANIPULATE_DISTANCE_OUT", &tmp)) && (tmp > 0))
- {
- GNUNET_log(GNUNET_ERROR_TYPE_INFO,
- "Setting outbound distance_in to %llu\n", (unsigned long long) tmp);
- set_metric(&man_handle.general, TM_SEND, GNUNET_ATS_QUALITY_NET_DISTANCE,
- tmp);
- }
-
- if ((GNUNET_OK
- == GNUNET_CONFIGURATION_get_value_time(GST_cfg, "transport",
- "MANIPULATE_DELAY_IN", &delay)) && (delay.rel_value_us > 0))
- {
- GNUNET_log(GNUNET_ERROR_TYPE_INFO,
- "Delaying inbound traffic for %s\n", GNUNET_STRINGS_relative_time_to_string (delay, GNUNET_YES));
- set_metric(&man_handle.general, TM_RECEIVE, GNUNET_ATS_QUALITY_NET_DELAY,
- delay.rel_value_us);
- }
- if ((GNUNET_OK
- == GNUNET_CONFIGURATION_get_value_time(GST_cfg, "transport",
- "MANIPULATE_DELAY_OUT", &delay)) && (delay.rel_value_us > 0))
- {
- GNUNET_log(GNUNET_ERROR_TYPE_INFO,
- "Delaying outbound traffic for %s\n", GNUNET_STRINGS_relative_time_to_string (delay, GNUNET_YES));
- set_metric(&man_handle.general, TM_SEND, GNUNET_ATS_QUALITY_NET_DELAY,
- delay.rel_value_us);
- }
- man_handle.peers = GNUNET_CONTAINER_multipeermap_create(10, GNUNET_NO);
+ if ( (GNUNET_OK ==
+ GNUNET_CONFIGURATION_get_value_time (GST_cfg,
+ "transport",
+ "MANIPULATE_DELAY_IN",
+ &delay)) &&
+ (delay.rel_value_us > 0) )
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+ "Delaying inbound traffic for %s\n",
+ GNUNET_STRINGS_relative_time_to_string (delay,
+ GNUNET_YES));
+ delay_in = delay;
+ }
+ if ( (GNUNET_OK ==
+ GNUNET_CONFIGURATION_get_value_time (GST_cfg,
+ "transport",
+ "MANIPULATE_DELAY_OUT",
+ &delay)) &&
+ (delay.rel_value_us > 0) )
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+ "Delaying outbound traffic for %s\n",
+ GNUNET_STRINGS_relative_time_to_string (delay,
+ GNUNET_YES));
+ delay_out = delay;
+ }
+ peers = GNUNET_CONTAINER_multipeermap_create (4,
+ GNUNET_NO);
}
-static int
-free_tmps(void *cls, const struct GNUNET_PeerIdentity *key, void *value)
-{
- struct DelayQueueEntry *dqe;
- struct DelayQueueEntry *next;
-
- if (NULL != value)
- {
- struct TM_Peer *tmp = (struct TM_Peer *) value;
-
- if (GNUNET_YES
- != GNUNET_CONTAINER_multipeermap_remove(man_handle.peers, key, value))
- GNUNET_break(0);
- free_metric(tmp);
- next = tmp->send_head;
- while (NULL != (dqe = next))
- {
- next = dqe->next;
- GNUNET_CONTAINER_DLL_remove(tmp->send_head, tmp->send_tail, dqe);
- if (NULL != dqe->cont)
- dqe->cont(dqe->cont_cls, GNUNET_SYSERR, dqe->msg_size, 0);
- GNUNET_free(dqe);
- }
- if (GNUNET_SCHEDULER_NO_TASK != tmp->send_delay_task)
- {
- GNUNET_SCHEDULER_cancel(tmp->send_delay_task);
- tmp->send_delay_task = GNUNET_SCHEDULER_NO_TASK;
- }
- GNUNET_free(tmp);
- }
- return GNUNET_OK;
-}
/**
* Notify manipulation about disconnect so it can discard queued messages
* @param peer the disconnecting peer
*/
void
-GST_manipulation_peer_disconnect(const struct GNUNET_PeerIdentity *peer)
+GST_manipulation_peer_disconnect (const struct GNUNET_PeerIdentity *peer)
{
struct TM_Peer *tmp;
struct DelayQueueEntry *dqe;
struct DelayQueueEntry *next;
- if (NULL != (tmp = GNUNET_CONTAINER_multipeermap_get(man_handle.peers, peer)))
+ tmp = GNUNET_CONTAINER_multipeermap_get (peers,
+ peer);
+ if (NULL != tmp)
+ {
+ while (NULL != (dqe = tmp->send_head))
{
- next = tmp->send_head;
- while (NULL != (dqe = next))
- {
- next = dqe->next;
- GNUNET_CONTAINER_DLL_remove(tmp->send_head, tmp->send_tail, dqe);
- if (NULL != dqe->cont)
- dqe->cont(dqe->cont_cls, GNUNET_SYSERR, dqe->msg_size, 0);
- GNUNET_free(dqe);
- }
+ GNUNET_CONTAINER_DLL_remove (tmp->send_head,
+ tmp->send_tail,
+ dqe);
+ if (NULL != dqe->cont)
+ dqe->cont (dqe->cont_cls,
+ GNUNET_SYSERR,
+ dqe->msg_size,
+ 0);
+ GNUNET_free(dqe);
}
- else if (UINT32_MAX
- != find_metric(&man_handle.general, GNUNET_ATS_QUALITY_NET_DELAY,
- TM_SEND))
+ }
+ next = generic_dqe_head;
+ while (NULL != (dqe = next))
+ {
+ next = dqe->next;
+ if (0 == memcmp (peer,
+ &dqe->id,
+ sizeof (dqe->id)))
{
- next = generic_dqe_head;
- while (NULL != (dqe = next))
- {
- next = dqe->next;
- if (0 == memcmp(peer, &dqe->id, sizeof(dqe->id)))
- {
- GNUNET_CONTAINER_DLL_remove(generic_dqe_head, generic_dqe_tail,
- dqe);
- if (NULL != dqe->cont)
- dqe->cont(dqe->cont_cls, GNUNET_SYSERR, dqe->msg_size, 0);
- GNUNET_free(dqe);
- }
- }
- if (GNUNET_SCHEDULER_NO_TASK != generic_send_delay_task)
- {
- GNUNET_SCHEDULER_cancel(generic_send_delay_task);
- if (NULL != generic_dqe_head)
- generic_send_delay_task = GNUNET_SCHEDULER_add_delayed(
- GNUNET_TIME_absolute_get_remaining(generic_dqe_head->sent_at),
- &send_delayed, generic_dqe_head);
- }
+ GNUNET_CONTAINER_DLL_remove (generic_dqe_head,
+ generic_dqe_tail,
+ dqe);
+ if (NULL != dqe->cont)
+ dqe->cont (dqe->cont_cls,
+ GNUNET_SYSERR,
+ dqe->msg_size,
+ 0);
+ GNUNET_free(dqe);
}
+ }
+ if (NULL != generic_send_delay_task)
+ {
+ GNUNET_SCHEDULER_cancel (generic_send_delay_task);
+ generic_send_delay_task = NULL;
+ if (NULL != generic_dqe_head)
+ generic_send_delay_task
+ = GNUNET_SCHEDULER_add_at (generic_dqe_head->sent_at,
+ &send_delayed,
+ generic_dqe_head);
+ }
}
+
+/**
+ * Free manipulation information about a peer.
+ *
+ * @param cls NULL
+ * @param key peer the info is about
+ * @param value a `struct TM_Peer` to free
+ * @return #GNUNET_OK (continue to iterate)
+ */
+static int
+free_tmps (void *cls,
+ const struct GNUNET_PeerIdentity *key,
+ void *value)
+{
+ struct TM_Peer *tmp = value;
+ struct DelayQueueEntry *dqe;
+
+ GNUNET_break (GNUNET_YES ==
+ GNUNET_CONTAINER_multipeermap_remove (peers,
+ key,
+ value));
+ while (NULL != (dqe = tmp->send_head))
+ {
+ GNUNET_CONTAINER_DLL_remove (tmp->send_head,
+ tmp->send_tail,
+ dqe);
+ if (NULL != dqe->cont)
+ dqe->cont (dqe->cont_cls,
+ GNUNET_SYSERR,
+ dqe->msg_size,
+ 0);
+ GNUNET_free (dqe);
+ }
+ if (NULL != tmp->send_delay_task)
+ {
+ GNUNET_SCHEDULER_cancel (tmp->send_delay_task);
+ tmp->send_delay_task = NULL;
+ }
+ GNUNET_free (tmp);
+ return GNUNET_OK;
+}
+
+
/**
* Stop traffic manipulation
*/
void
-GST_manipulation_stop()
+GST_manipulation_stop ()
{
struct DelayQueueEntry *cur;
- struct DelayQueueEntry *next;
- GNUNET_CONTAINER_multipeermap_iterate(man_handle.peers, &free_tmps, NULL);
- GNUNET_CONTAINER_multipeermap_destroy(man_handle.peers);
-
- next = generic_dqe_head;
- while (NULL != (cur = next))
- {
- next = cur->next;
- GNUNET_CONTAINER_DLL_remove(generic_dqe_head, generic_dqe_tail, cur);
- if (NULL != cur->cont)
- cur->cont(cur->cont_cls, GNUNET_SYSERR, cur->msg_size, 0);
- GNUNET_free(cur);
- }
- if (GNUNET_SCHEDULER_NO_TASK != generic_send_delay_task)
- {
- GNUNET_SCHEDULER_cancel(generic_send_delay_task);
- generic_send_delay_task = GNUNET_SCHEDULER_NO_TASK;
- }
- free_metric(&man_handle.general);
- man_handle.peers = NULL;
+ GNUNET_CONTAINER_multipeermap_iterate (peers,
+ &free_tmps,
+ NULL);
+ GNUNET_CONTAINER_multipeermap_destroy (peers);
+ peers = NULL;
+ while (NULL != (cur = generic_dqe_head))
+ {
+ GNUNET_CONTAINER_DLL_remove (generic_dqe_head,
+ generic_dqe_tail,
+ cur);
+ if (NULL != cur->cont)
+ cur->cont (cur->cont_cls,
+ GNUNET_SYSERR,
+ cur->msg_size,
+ 0);
+ GNUNET_free (cur);
+ }
+ if (NULL != generic_send_delay_task)
+ {
+ GNUNET_SCHEDULER_cancel (generic_send_delay_task);
+ generic_send_delay_task = NULL;
+ }
}
/* end of file gnunet-service-transport_manipulation.c */
projects / oweals / gnunet.git / blobdiff