#include "gnunet-service-transport.h"
#include "transport.h"
-#define DELAY 0
-#define DISTANCE 1
-
-
enum TRAFFIC_METRIC_DIRECTION
{
TM_SEND = 0,
TM_BOTH = 2
};
-struct GST_ManipulationHandle man_handle;
-
-
/**
* Struct containing information about manipulations to a specific peer
/**
* Hashmap contain all peers currently manipulated
*/
- struct GNUNET_CONTAINER_MultiHashMap *peers;
+ struct GNUNET_CONTAINER_MultiPeerMap *peers;
/**
* Peer containing information for general manipulation
void *cont_cls;
};
+struct GST_ManipulationHandle man_handle;
+
/**
* DLL head for delayed messages based on general delay
*/
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Received traffic metrics for peer `%s'\n",
GNUNET_i2s(&tm->peer));
- if (NULL == (tmp = GNUNET_CONTAINER_multihashmap_get (man_handle.peers, &tm->peer.hashPubKey)))
+ if (NULL == (tmp = GNUNET_CONTAINER_multipeermap_get (man_handle.peers, &tm->peer)))
{
tmp = GNUNET_malloc (sizeof (struct TM_Peer));
tmp->peer = (tm->peer);
tmp->metrics[c][c2] = UINT32_MAX;
}
}
- GNUNET_CONTAINER_multihashmap_put (man_handle.peers, &tm->peer.hashPubKey, tmp, GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_FAST);
+ GNUNET_CONTAINER_multipeermap_put (man_handle.peers,
+ &tm->peer, tmp,
+ GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_FAST);
}
ats = (struct GNUNET_ATS_Information *) &tm[1];
if (NULL != tmp)
{
+ 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);
{
/* More delayed messages */
delay = GNUNET_TIME_absolute_get_remaining (next->sent_at);
- tmp->send_delay_task = GNUNET_SCHEDULER_add_delayed (delay, &send_delayed, dqe);
+ tmp->send_delay_task = GNUNET_SCHEDULER_add_delayed (delay, &send_delayed, next);
}
}
else
{
- /* Remove from generic queue */
+ /* 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);
{
/* More delayed messages */
delay = GNUNET_TIME_absolute_get_remaining (next->sent_at);
- generic_send_delay_task = GNUNET_SCHEDULER_add_delayed (delay, &send_delayed, dqe);
+ generic_send_delay_task = GNUNET_SCHEDULER_add_delayed (delay, &send_delayed, next);
}
}
-
GNUNET_free (dqe);
}
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_multihashmap_get (man_handle.peers, &target->hashPubKey)))
- {
- /* Manipulate here */
- /* Delay */
- if (UINT32_MAX != find_metric(tmp, GNUNET_ATS_QUALITY_NET_DELAY, TM_SEND))
- {
- /* We have a delay */
- delay.rel_value = 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);
- return;
- }
- }
- else if (UINT32_MAX != find_metric (&man_handle.general, GNUNET_ATS_QUALITY_NET_DELAY, TM_SEND))
- {
- /* We have a delay */
- delay.rel_value = 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);
- return;
- }
-
- /* Normal sending */
- GST_neighbours_send (target, msg, msg_size, timeout, cont, 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);
}
uint32_t m_tmp;
uint32_t g_tmp;
int d;
- tmp = GNUNET_CONTAINER_multihashmap_get (man_handle.peers, &peer->hashPubKey);
+ 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;
- g_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);
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) && (UINT32_MAX != g_recv_delay))
- m_delay.rel_value = g_recv_delay; /* Global delay */
+ 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 */
else
- m_delay = GNUNET_TIME_UNIT_ZERO;
+ m_delay = GNUNET_TIME_UNIT_ZERO;
- if (NULL != (tmp = GNUNET_CONTAINER_multihashmap_get (man_handle.peers, &peer->hashPubKey)))
+ if (NULL != (tmp = GNUNET_CONTAINER_multipeermap_get (man_handle.peers, 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 = p_recv_delay; /* Peer specific delay */
+ /* 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, peer, message,
session, sender_address, sender_address_len);
- if (quota_delay.rel_value > m_delay.rel_value)
- return quota_delay;
- else
- return m_delay;
+
+ 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 (peer),
+ GNUNET_STRINGS_relative_time_to_string (m_delay, GNUNET_YES));
+ return m_delay;
+
}
void
GST_manipulation_init (const struct GNUNET_CONFIGURATION_Handle *GST_cfg)
{
- unsigned long long tmp;
-
- if (GNUNET_OK == GNUNET_CONFIGURATION_get_value_number (GST_cfg,
- "transport", "MANIPULATE_DISTANCE_IN", &tmp))
- {
- GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Setting inbound distance_in to %u\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))
- {
- GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Setting outbound distance_in to %u\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_number (GST_cfg,
- "transport", "MANIPULATE_DELAY_IN", &tmp))
- {
- GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Delaying inbound traffic for %llu ms\n",
- (unsigned long long) tmp);
- set_metric (&man_handle.general, TM_RECEIVE, GNUNET_ATS_QUALITY_NET_DELAY, tmp);
- }
-
-
- if (GNUNET_OK == GNUNET_CONFIGURATION_get_value_number (GST_cfg,
- "transport", "MANIPULATE_DELAY_OUT", &tmp))
- {
- GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Delaying outbound traffic for %llu ms\n",
- (unsigned long long) tmp);
- set_metric (&man_handle.general, TM_SEND, GNUNET_ATS_QUALITY_NET_DELAY, tmp);
- }
-
- man_handle.peers = GNUNET_CONTAINER_multihashmap_create (10, GNUNET_NO);
+ 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);
}
-static int
+static int
free_tmps (void *cls,
- const struct GNUNET_HashCode * key,
+ 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)
+{
+ struct TM_Peer *tmp;
struct DelayQueueEntry *dqe;
struct DelayQueueEntry *next;
- if (NULL != value)
+
+ if (NULL != (tmp = GNUNET_CONTAINER_multipeermap_get (man_handle.peers, peer)))
{
- struct TM_Peer *tmp = (struct TM_Peer *) value;
- GNUNET_CONTAINER_multihashmap_remove (man_handle.peers, key, value);
- 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)
+ }
+ 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)))
+ {
+ 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 (tmp->send_delay_task);
- tmp->send_delay_task = GNUNET_SCHEDULER_NO_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_free (tmp);
}
- return GNUNET_OK;
}
{
struct DelayQueueEntry *cur;
struct DelayQueueEntry *next;
- GNUNET_CONTAINER_multihashmap_iterate (man_handle.peers, &free_tmps,NULL);
- GNUNET_CONTAINER_multihashmap_destroy (man_handle.peers);
+ 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)
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