#endif
#include "gnunet-service-ats_addresses_simplistic.h"
-#define ATS_BLOCKING_DELTA GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_MILLISECONDS, 100)
-
/**
* Available ressource assignment modes
MODE_MLP
};
-static struct GNUNET_CONTAINER_MultiHashMap *addresses;
+/**
+ * Handle for ATS address component
+ */
+struct GAS_Addresses_Suggestion_Requests
+{
+ struct GAS_Addresses_Suggestion_Requests *next;
+ struct GAS_Addresses_Suggestion_Requests *prev;
+
+ struct GNUNET_PeerIdentity id;
+};
+
+/**
+ * Handle for ATS address component
+ */
+struct GAS_Addresses_Handle
+{
+ /**
+ * A multihashmap to store all addresses
+ */
+ struct GNUNET_CONTAINER_MultiHashMap *addresses;
+
+ /**
+ * Configure WAN quota in
+ */
+ unsigned long long wan_quota_in;
+
+ /**
+ * Configure WAN quota out
+ */
+ unsigned long long wan_quota_out;
+
+ /**
+ * Is ATS addresses running
+ */
+ int running;
+
+ /**
+ * Configured ATS solver
+ */
+ int ats_mode;
+
+ /**
+ * Solver handle
+ */
+ void *solver;
+
+ /**
+ * Address suggestion requests DLL head
+ */
+ struct GAS_Addresses_Suggestion_Requests *r_head;
+
+ /**
+ * Address suggestion requests DLL tail
+ */
+ struct GAS_Addresses_Suggestion_Requests *r_tail;
+
+ /* Solver functions */
-static void *solver;
+ /**
+ * Initialize solver
+ */
+ GAS_solver_init s_init;
-static unsigned long long wan_quota_in;
+ /**
+ * Add an address to the solver
+ */
+ GAS_solver_address_add s_add;
-static unsigned long long wan_quota_out;
+ /**
+ * Update address in solver
+ */
+ GAS_solver_address_update s_update;
-static unsigned int active_addr_count;
+ /**
+ * Get address from solver
+ */
+ GAS_solver_get_preferred_address s_get;
-static int ats_mode;
+ /**
+ * Delete address in solver
+ */
+ GAS_solver_address_delete s_del;
-static int running;
+ /**
+ * Change preference for quality in solver
+ */
+ GAS_solver_address_change_preference s_pref;
+
+ /**
+ * Shutdown solver
+ */
+ GAS_solver_done s_done;
+};
+
+
+/**
+ * Temporary handle
+ */
+struct GAS_Addresses_Handle *handle;
static unsigned int
-assemble_ats_information (struct ATS_Address *aa, struct GNUNET_ATS_Information **dest)
+assemble_ats_information (const struct ATS_Address *aa, struct GNUNET_ATS_Information **dest)
{
unsigned int ats_count = GNUNET_ATS_PropertyCount - 1;
struct GNUNET_ATS_Information *ats = GNUNET_malloc (ats_count * sizeof (struct GNUNET_ATS_Information));
return ats_count;
}
-static void
-send_bw_notification (struct ATS_Address *aa)
-{
- struct GNUNET_ATS_Information *ats;
- uint32_t ats_count;
-
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "New bandwidth for peer %s is %u/%u\n",
- GNUNET_i2s (&aa->peer), ntohl (aa->assigned_bw_in.value__),
- ntohl (aa->assigned_bw_out.value__));
- ats_count = assemble_ats_information (aa, &ats);
-
- GAS_scheduling_transmit_address_suggestion (&aa->peer, aa->plugin, aa->addr,
- aa->addr_len, aa->session_id,
- ats, ats_count,
- aa->assigned_bw_out,
- aa->assigned_bw_in);
- GAS_reservations_set_bandwidth (&aa->peer, aa->assigned_bw_in);
- GAS_performance_notify_all_clients (&aa->peer, aa->plugin, aa->addr, aa->addr_len,
- aa->active,
- ats, ats_count, aa->assigned_bw_out,
- aa->assigned_bw_in);
- GNUNET_free (ats);
-}
-
-/**
- * Update a bandwidth assignment for a peer. This trivial method currently
- * simply assigns the same share to all active connections.
- *
- * @param cls unused
- * @param key unused
- * @param value the 'struct ATS_Address'
- * @return GNUNET_OK (continue to iterate)
- */
-static int
-update_bw_simple_it (void *cls, const struct GNUNET_HashCode * key, void *value)
-{
- struct ATS_Address *aa = value;
-
- if (GNUNET_YES != aa->active)
- return GNUNET_OK;
- GNUNET_assert (active_addr_count > 0);
-
-
- /* Simple method */
- aa->assigned_bw_in.value__ = htonl (wan_quota_in / active_addr_count);
- aa->assigned_bw_out.value__ = htonl (wan_quota_out / active_addr_count);
-
- send_bw_notification (aa);
-
- return GNUNET_OK;
-}
-
-
-/**
- * Some (significant) input changed, recalculate bandwidth assignment
- * for all peers.
- */
-static void
-recalculate_assigned_bw ()
+static unsigned int
+disassemble_ats_information (const struct GNUNET_ATS_Information *src,
+ uint32_t ats_count,
+ struct ATS_Address *dest)
{
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Recalculating bandwidth for all active connections\n");
- GNUNET_STATISTICS_update (GSA_stats, "# bandwidth recalculations performed",
- 1, GNUNET_NO);
- GNUNET_STATISTICS_set (GSA_stats, "# active addresses", active_addr_count,
- GNUNET_NO);
-
- GNUNET_CONTAINER_multihashmap_iterate (addresses, &update_bw_simple_it, NULL);
+ int i;
+ int res = 0;
+ for (i = 0; i < ats_count; i++)
+ switch (ntohl (src[i].type))
+ {
+ case GNUNET_ATS_UTILIZATION_UP:
+ dest->atsp_utilization_out.value__ = src[i].value;
+ res ++;
+ break;
+ case GNUNET_ATS_UTILIZATION_DOWN:
+ dest->atsp_utilization_in.value__ = src[i].value;
+ res ++;
+ break;
+ case GNUNET_ATS_QUALITY_NET_DELAY:
+ dest->atsp_latency.rel_value = ntohl (src[i].value);
+ res ++;
+ break;
+ case GNUNET_ATS_QUALITY_NET_DISTANCE:
+ dest->atsp_distance = ntohl (src[i].value);
+ res ++;
+ break;
+ case GNUNET_ATS_COST_WAN:
+ dest->atsp_cost_wan = ntohl (src[i].value);
+ res ++;
+ break;
+ case GNUNET_ATS_COST_LAN:
+ dest->atsp_cost_lan = ntohl (src[i].value);
+ res ++;
+ break;
+ case GNUNET_ATS_COST_WLAN:
+ dest->atsp_cost_wlan = ntohl (src[i].value);
+ res ++;
+ break;
+ case GNUNET_ATS_NETWORK_TYPE:
+ dest->atsp_network_type = ntohl (src[i].value);
+ res ++;
+ break;
+ case GNUNET_ATS_ARRAY_TERMINATOR:
+ break;
+ default:
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+ "Received unsupported ATS type %u\n", ntohl (src[i].type));
+ GNUNET_break (0);
+ break;
+ }
+ return res;
}
/**
static void
free_address (struct ATS_Address *addr)
{
- GNUNET_free_non_null (addr->ats);
GNUNET_free (addr->plugin);
GNUNET_free (addr);
}
memcpy (&aa[1], plugin_addr, plugin_addr_len);
aa->plugin = GNUNET_strdup (plugin_name);
aa->session_id = session_id;
+ aa->active = GNUNET_NO;
+ aa->mlp_information = NULL;
+ aa->assigned_bw_in = GNUNET_BANDWIDTH_value_init(0);
+ aa->assigned_bw_out = GNUNET_BANDWIDTH_value_init(0);
return aa;
}
ret = GNUNET_NO;
GNUNET_assert (GNUNET_YES ==
- GNUNET_CONTAINER_multihashmap_remove (addresses,
+ GNUNET_CONTAINER_multihashmap_remove (handle->addresses,
&addr->peer.hashPubKey,
addr));
-#if HAVE_LIBGLPK
- if (ats_mode == MODE_MLP)
- GAS_mlp_address_delete (solver, addresses, addr);
-#endif
-
- if (GNUNET_YES == addr->active)
- {
- active_addr_count--;
- addr->active = GNUNET_NO;
- ret = GNUNET_YES;
- }
+ handle->s_del (handle->solver, handle->addresses, addr);
free_address (addr);
return ret;
}
struct CompareAddressContext *cac = cls;
struct ATS_Address *aa = value;
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Comparing peer %4s: address length %u session %u <-> address length %u session %u\n",
- GNUNET_h2s (key),
- aa->addr_len, aa->session_id,
- cac->search->addr_len, cac->search->session_id);
-
/* Find an matching exact address:
*
* Compare by:
cac.exact_address = NULL;
cac.base_address = NULL;
cac.search = addr;
- GNUNET_CONTAINER_multihashmap_get_multiple (addresses, &peer->hashPubKey,
+ GNUNET_CONTAINER_multihashmap_get_multiple (handle->addresses, &peer->hashPubKey,
&compare_address_it, &cac);
-#if 0
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Found exact address: %s base address: %s\n",
- (cac.exact_address != NULL) ? "YES" : "NO",
- (cac.base_address != NULL) ? "YES" : "NO");
-#endif
if (cac.exact_address == NULL)
return cac.base_address;
return cac.exact_address;
plugin_addr, plugin_addr_len,
session_id);
- aa->mlp_information = NULL;
- aa->ats = GNUNET_malloc (atsi_count * sizeof (struct GNUNET_ATS_Information));
- aa->ats_count = atsi_count;
- memcpy (aa->ats, atsi, atsi_count * sizeof (struct GNUNET_ATS_Information));
-
/* Get existing address or address with session == 0 */
old = find_address (peer, aa);
free_address (aa);
}
-#if DEADCODE
-static int
-compare_address_session_it (void *cls, const struct GNUNET_HashCode * key, void *value)
-{
- struct CompareAddressContext *cac = cls;
- struct ATS_Address *aa = value;
-
- if ((aa->addr_len == cac->search->addr_len) && (0 == strcmp (aa->plugin, cac->search->plugin)))
- {
- if ((0 == memcmp (aa->addr, cac->search->addr, aa->addr_len)) && (aa->session_id == cac->search->session_id))
- {
- cac->exact_address = aa;
- return GNUNET_NO;
- }
- }
- return GNUNET_YES;
-}
-
-
-/**
- * Find an existing equivalent address record.
- * Compares by peer identity and network address AND by session ID
- * (one of the two must match).
- *
- * @param peer peer to lookup addresses for
- * @param addr existing address record
- * @return existing address record, NULL for none
- */
-static struct ATS_Address *
-find_exact_address (const struct GNUNET_PeerIdentity *peer,
- const struct ATS_Address *addr)
-{
- struct CompareAddressContext cac;
-
- cac.exact_address = NULL;
- cac.search = addr;
- GNUNET_CONTAINER_multihashmap_get_multiple (addresses, &peer->hashPubKey,
- &compare_address_session_it, &cac);
- return cac.exact_address;
-}
-#endif
-
-
void
GAS_addresses_add (const struct GNUNET_PeerIdentity *peer,
const char *plugin_name, const void *plugin_addr,
{
struct ATS_Address *aa;
struct ATS_Address *old;
+ unsigned int ats_res;
+
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Received `%s' for peer `%s'\n",
+ "ADDRESS ADD",
+ GNUNET_i2s (peer));
- if (GNUNET_NO == running)
+ if (GNUNET_NO == handle->running)
return;
- GNUNET_assert (NULL != addresses);
+ GNUNET_assert (NULL != handle->addresses);
aa = create_address (peer,
plugin_name,
plugin_addr, plugin_addr_len,
session_id);
-
aa->mlp_information = NULL;
- aa->ats = GNUNET_malloc (atsi_count * sizeof (struct GNUNET_ATS_Information));
- aa->ats_count = atsi_count;
- memcpy (aa->ats, atsi, atsi_count * sizeof (struct GNUNET_ATS_Information));
+ if (atsi_count != (ats_res = disassemble_ats_information(atsi, atsi_count, aa)))
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "While adding address: had %u ATS elements to add, could only add %u\n",
+ atsi_count, ats_res);
+ }
/* Get existing address or address with session == 0 */
old = find_address (peer, aa);
{
/* We have a new address */
GNUNET_assert (GNUNET_OK ==
- GNUNET_CONTAINER_multihashmap_put (addresses,
+ GNUNET_CONTAINER_multihashmap_put (handle->addresses,
&peer->hashPubKey, aa,
GNUNET_CONTAINER_MULTIHASHMAPOPTION_MULTIPLE));
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Added new address for peer `%s' session id %u, %p\n",
GNUNET_i2s (peer), session_id, aa);
+ /* Tell solver about update */
+ handle->s_add (handle->solver, handle->addresses, aa);
return;
}
- if (old->session_id == 0)
+ if (old->session_id != 0)
{
- /* We have a base address with out an session, update this address */
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Updated existing address for peer `%s' %p with new session %u\n",
- GNUNET_i2s (peer), old, session_id);
- GNUNET_free_non_null (old->ats);
- old->session_id = session_id;
- old->ats = NULL;
- old->ats_count = 0;
- old->ats = aa->ats;
- old->ats_count = aa->ats_count;
- GNUNET_free (aa->plugin);
- GNUNET_free (aa);
- return;
+ /* This address and session is already existing */
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "Added already existing address for peer `%s' `%s' %p with new session %u\n",
+ GNUNET_i2s (peer), plugin_name, session_id);
+ GNUNET_break (0);
+ return;
}
- /* This address and session is already existing */
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "Added already existing address for peer `%s' `%s' %p with new session %u\n",
- GNUNET_i2s (peer), plugin_name, session_id);
- GNUNET_break (0);
+ /* We have an address without an session, update this address */
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Updated existing address for peer `%s' %p with new session %u\n",
+ GNUNET_i2s (peer), old, session_id);
+ old->session_id = session_id;
+ if (atsi_count != (ats_res = disassemble_ats_information(atsi, atsi_count, old)))
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "While updating address: had %u ATS elements to add, could only add %u\n",
+ atsi_count, ats_res);
+ }
+ GNUNET_free (aa->plugin);
+ GNUNET_free (aa);
+ handle->s_add (handle->solver, handle->addresses, old);
}
uint32_t atsi_count)
{
struct ATS_Address *old;
- uint32_t i;
+ uint32_t ats_res;
+
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Received `%s' for peer `%s'\n",
+ "ADDRESS UPDATE",
+ GNUNET_i2s (peer));
- if (GNUNET_NO == running)
+ if (GNUNET_NO == handle->running)
return;
- GNUNET_assert (NULL != addresses);
+ GNUNET_assert (NULL != handle->addresses);
/* Get existing address */
old = lookup_address (peer, plugin_name, plugin_addr, plugin_addr_len,
return;
}
- for (i = 0; i < atsi_count; i++)
- switch (ntohl (atsi[i].type))
- {
- case GNUNET_ATS_UTILIZATION_UP:
- old->atsp_utilization_out.value__ = atsi[i].value;
- break;
- case GNUNET_ATS_UTILIZATION_DOWN:
- old->atsp_utilization_in.value__ = atsi[i].value;
- break;
- case GNUNET_ATS_QUALITY_NET_DELAY:
- old->atsp_latency.rel_value = ntohl (atsi[i].value);
- break;
- case GNUNET_ATS_QUALITY_NET_DISTANCE:
- old->atsp_distance = ntohl (atsi[i].value);
- break;
- case GNUNET_ATS_COST_WAN:
- old->atsp_cost_wan = ntohl (atsi[i].value);
- break;
- case GNUNET_ATS_COST_LAN:
- old->atsp_cost_lan = ntohl (atsi[i].value);
- break;
- case GNUNET_ATS_COST_WLAN:
- old->atsp_cost_wlan = ntohl (atsi[i].value);
- break;
- case GNUNET_ATS_NETWORK_TYPE:
- old->atsp_network_type = ntohl (atsi[i].value);
- break;
+ if (atsi_count != (ats_res = disassemble_ats_information (atsi, atsi_count, old)))
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "While adding address: had %u ATS elements to add, could only add %u\n",
+ atsi_count, ats_res);
+ }
- default:
- GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
- "Received unsupported ATS type %u\n", ntohl (atsi[i].type));
- GNUNET_break (0);
- break;
- }
-#if HAVE_LIBGLPK
- if (ats_mode == MODE_MLP)
- GAS_mlp_address_update (solver, addresses, old);
-#endif
+ /* Tell solver about update */
+ handle->s_update (handle->solver, handle->addresses, old);
}
"Deleting address for peer `%s': `%s' %u\n",
GNUNET_i2s (&aa->peer), aa->plugin, aa->session_id);
- if (GNUNET_YES == destroy_address (aa))
- recalculate_assigned_bw ();
+ destroy_address (aa);
+ // FIXME if (GNUNET_YES == destroy_address (aa))recalculate_assigned_bw ();
return GNUNET_OK;
}
/* session != 0, just remove session */
if (GNUNET_YES == aa->active)
{
aa->active = GNUNET_NO;
- active_addr_count--;
- recalculate_assigned_bw ();
+ //FIXME recalculate_assigned_bw ();
}
/* session == 0 and addrlen == 0 : destroy address */
{
/* session was set to 0, update address */
#if HAVE_LIBGLPK
- if (ats_mode == MODE_MLP)
- GAS_mlp_address_update (solver, addresses, aa);
+ if (handle->ats_mode == MODE_MLP)
+ GAS_mlp_address_update (handle->solver, handle->addresses, aa);
#endif
}
struct ATS_Address *aa;
struct ATS_Address *old;
- if (GNUNET_NO == running)
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Received `%s' for peer `%s'\n",
+ "ADDRESS DESTROY",
+ GNUNET_i2s (peer));
+
+ if (GNUNET_NO == handle->running)
return;
/* Get existing address */
return;
}
-
GNUNET_break (0 < strlen (plugin_name));
aa = create_address (peer, plugin_name, plugin_addr, plugin_addr_len, session_id);
-
- GNUNET_CONTAINER_multihashmap_get_multiple (addresses, &peer->hashPubKey,
+ GNUNET_CONTAINER_multihashmap_get_multiple (handle->addresses, &peer->hashPubKey,
&destroy_by_session_id, aa);
-
free_address (aa);
}
-/**
- * Find a "good" address to use for a peer. If we already have an existing
- * address, we stick to it. Otherwise, we pick by lowest distance and then
- * by lowest latency.
- *
- * @param cls the 'struct ATS_Address**' where we store the result
- * @param key unused
- * @param value another 'struct ATS_Address*' to consider using
- * @return GNUNET_OK (continue to iterate)
- */
-static int
-find_address_it (void *cls, const struct GNUNET_HashCode * key, void *value)
-{
- struct ATS_Address **ap = cls;
- struct ATS_Address *aa = (struct ATS_Address *) value;
- struct ATS_Address *ab = *ap;
- struct GNUNET_TIME_Absolute now;
-
- now = GNUNET_TIME_absolute_get();
-
- if (aa->blocked_until.abs_value == GNUNET_TIME_absolute_max (now, aa->blocked_until).abs_value)
- {
- /* This address is blocked for suggestion */
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Address %p blocked for suggestion for %llu ms \n",
- aa,
- GNUNET_TIME_absolute_get_difference(now, aa->blocked_until).rel_value);
- return GNUNET_OK;
- }
-
- aa->block_interval = GNUNET_TIME_relative_add (aa->block_interval, ATS_BLOCKING_DELTA);
- aa->blocked_until = GNUNET_TIME_absolute_add (now, aa->block_interval);
-
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Address %p ready for suggestion, block interval now %llu \n", aa, aa->block_interval);
-
- /* FIXME this is a hack */
-
-
- if (NULL != ab)
- {
- if ((0 == strcmp (ab->plugin, "tcp")) &&
- (0 == strcmp (aa->plugin, "tcp")))
- {
- if ((0 != ab->addr_len) &&
- (0 == aa->addr_len))
- {
- /* saved address was an outbound address, but we have an inbound address */
- *ap = aa;
- return GNUNET_OK;
- }
- if (0 == ab->addr_len)
- {
- /* saved address was an inbound address, so do not overwrite */
- return GNUNET_OK;
- }
- }
- }
- /* FIXME end of hack */
-
- if (NULL == ab)
- {
- *ap = aa;
- return GNUNET_OK;
- }
- if ((ntohl (ab->assigned_bw_in.value__) == 0) &&
- (ntohl (aa->assigned_bw_in.value__) > 0))
- {
- /* stick to existing connection */
- *ap = aa;
- return GNUNET_OK;
- }
- if (ab->atsp_distance > aa->atsp_distance)
- {
- /* user shorter distance */
- *ap = aa;
- return GNUNET_OK;
- }
- if (ab->atsp_latency.rel_value > aa->atsp_latency.rel_value)
- {
- /* user lower latency */
- *ap = aa;
- return GNUNET_OK;
- }
- /* don't care */
- return GNUNET_OK;
-}
-
-
int
GAS_addresses_in_use (const struct GNUNET_PeerIdentity *peer,
const char *plugin_name, const void *plugin_addr,
size_t plugin_addr_len, uint32_t session_id, int in_use)
{
-#if DEBUG_ATS
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Received `%s' message for peer `%s': %i\n", "ADDRESS_IN_USE",
- GNUNET_i2s (peer), in_use);
-#endif
-
struct ATS_Address *old;
- if (GNUNET_NO == running)
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Received `%s' for peer `%s'\n",
+ "ADDRESS IN USE",
+ GNUNET_i2s (peer));
+
+ if (GNUNET_NO == handle->running)
return GNUNET_SYSERR;
old = lookup_address (peer, plugin_name, plugin_addr, plugin_addr_len, session_id, NULL, 0);
return GNUNET_SYSERR;
}
old->used = in_use;
-#if HAVE_LIBGLPK
- if (ats_mode == MODE_MLP)
- GAS_mlp_address_update (solver, addresses, old);
-#endif
+
+ /* Tell solver about update */
+ handle->s_update (handle->solver, handle->addresses, old);
+
return GNUNET_OK;
}
-static void
-request_address_mlp (const struct GNUNET_PeerIdentity *peer)
+/**
+ * Cancel address suggestions for a peer
+ *
+ * @param peer the respective peer
+ */
+void
+GAS_addresses_request_address_cancel (const struct GNUNET_PeerIdentity *peer)
{
- struct ATS_Address *aa;
- aa = NULL;
-
-#if HAVE_GLPK
- /* Get preferred address from MODE_MLP */
- struct ATS_PreferedAddress * paddr = NULL;
- paddr = GAS_mlp_get_preferred_address (mlp, addresses, peer);
- aa = paddr->address;
- aa->assigned_bw_out = GNUNET_BANDWIDTH_value_init(paddr->bandwidth_out);
- /* FIXME use bw in value */
- paddr->bandwidth_in = paddr->bandwidth_out;
- aa->assigned_bw_in = GNUNET_BANDWIDTH_value_init (paddr->bandwidth_in);
- GNUNET_free (paddr);
-#endif
+ struct GAS_Addresses_Suggestion_Requests *cur = handle->r_head;
+
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Received request: `%s' for peer %s\n", "request_address_cancel", GNUNET_i2s (peer));
- if (aa == NULL)
+ while (NULL != cur)
{
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG | GNUNET_ERROR_TYPE_BULK,
- "Cannot suggest address for peer `%s'\n", GNUNET_i2s (peer));
- return;
+ if (0 == memcmp (peer, &cur->id, sizeof (cur->id)))
+ break; /* found */
+ cur = cur->next;
}
- if (aa->active == GNUNET_NO)
- {
- aa->active = GNUNET_YES;
- active_addr_count++;
- send_bw_notification (aa);
- }
- else
+ if (NULL == cur)
{
- /* just to be sure... */
- GAS_scheduling_transmit_address_suggestion (peer, aa->plugin, aa->addr,
- aa->addr_len, aa->session_id,
- aa->ats, aa->ats_count,
- aa->assigned_bw_out,
- aa->assigned_bw_in);
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "No address requests pending for peer `%s', cannot remove!\n", GNUNET_i2s (peer));
+ return;
}
-
+ GAS_addresses_handle_backoff_reset (peer);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Removed request pending for peer `%s\n", GNUNET_i2s (peer));
+ GNUNET_CONTAINER_DLL_remove (handle->r_head, handle->r_tail, cur);
+ GNUNET_free (cur);
}
-static void
-request_address_simple (const struct GNUNET_PeerIdentity *peer)
+/**
+ * Add an address suggestions for a peer
+ *
+ * @param peer the respective peer
+ */
+void
+GAS_addresses_request_address (const struct GNUNET_PeerIdentity *peer)
{
+ struct GAS_Addresses_Suggestion_Requests *cur = handle->r_head;
struct ATS_Address *aa;
- aa = NULL;
+ struct GNUNET_ATS_Information *ats;
+ unsigned int ats_count;
+
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Received `%s' for peer `%s'\n",
+ "REQUEST ADDRESS",
+ GNUNET_i2s (peer));
+
+ if (GNUNET_NO == handle->running)
+ return;
+ while (NULL != cur)
+ {
+ if (0 == memcmp (peer, &cur->id, sizeof (cur->id)))
+ break; /* already suggesting */
+ cur = cur->next;
+ }
+ if (NULL == cur)
+ {
+ cur = GNUNET_malloc (sizeof (struct GAS_Addresses_Suggestion_Requests));
+ cur->id = (*peer);
+ GNUNET_CONTAINER_DLL_insert (handle->r_head, handle->r_tail, cur);
+ }
- /* Get address with: stick to current address, lower distance, lower latency */
- GNUNET_CONTAINER_multihashmap_get_multiple (addresses, &peer->hashPubKey,
- &find_address_it, &aa);
- if (aa == NULL)
+ /* Get prefered address from solver */
+ aa = (struct ATS_Address *) handle->s_get (handle->solver, handle->addresses, peer);
+ if (NULL == aa)
{
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG | GNUNET_ERROR_TYPE_BULK,
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Cannot suggest address for peer `%s'\n", GNUNET_i2s (peer));
return;
}
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG | GNUNET_ERROR_TYPE_BULK,
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Suggesting address %p for peer `%s'\n", aa, GNUNET_i2s (peer));
- if (aa->active == GNUNET_NO)
- {
- aa->active = GNUNET_YES;
- active_addr_count++;
- if (ats_mode == MODE_SIMPLISTIC)
- {
- recalculate_assigned_bw ();
- }
- }
- else
- {
- /* just to be sure... */
- GAS_scheduling_transmit_address_suggestion (peer, aa->plugin, aa->addr,
- aa->addr_len, aa->session_id,
- aa->ats, aa->ats_count,
- aa->assigned_bw_out,
- aa->assigned_bw_in);
- }
-}
+ ats_count = assemble_ats_information (aa, &ats);
+ GAS_scheduling_transmit_address_suggestion (peer,
+ aa->plugin,
+ aa->addr, aa->addr_len,
+ aa->session_id,
+ ats, ats_count,
+ aa->assigned_bw_out,
+ aa->assigned_bw_in);
+ aa->block_interval = GNUNET_TIME_relative_add (aa->block_interval, ATS_BLOCKING_DELTA);
+ aa->blocked_until = GNUNET_TIME_absolute_add (GNUNET_TIME_absolute_get(), aa->block_interval);
-void
-GAS_addresses_request_address (const struct GNUNET_PeerIdentity *peer)
-{
- if (GNUNET_NO == running)
- return;
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Address %p ready for suggestion, block interval now %llu \n",
+ aa, aa->block_interval);
- if (ats_mode == MODE_SIMPLISTIC)
- {
- request_address_simple (peer);
- }
- if (ats_mode == MODE_MLP)
- {
- request_address_mlp(peer);
- }
+ GNUNET_free (ats);
}
struct ATS_Address *aa = value;
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Resetting interval for peer `%s' address %p from %llu to 0\n", GNUNET_i2s (&aa->peer), aa, aa->block_interval);
+ "Resetting interval for peer `%s' address %p from %llu to 0\n",
+ GNUNET_i2s (&aa->peer), aa, aa->block_interval);
aa->blocked_until = GNUNET_TIME_UNIT_ZERO_ABS;
aa->block_interval = GNUNET_TIME_UNIT_ZERO;
void
GAS_addresses_handle_backoff_reset (const struct GNUNET_PeerIdentity *peer)
{
- GNUNET_break (GNUNET_SYSERR != GNUNET_CONTAINER_multihashmap_get_multiple (addresses,
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Received `%s' for peer `%s'\n",
+ "RESET BACKOFF",
+ GNUNET_i2s (peer));
+
+ GNUNET_break (GNUNET_SYSERR != GNUNET_CONTAINER_multihashmap_get_multiple (handle->addresses,
&peer->hashPubKey,
&reset_address_it,
NULL));
}
-
-// FIXME: this function should likely end up in the LP-subsystem and
-// not with 'addresses' in the future...
void
GAS_addresses_change_preference (const struct GNUNET_PeerIdentity *peer,
enum GNUNET_ATS_PreferenceKind kind,
float score)
{
- if (GNUNET_NO == running)
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Received `%s' for peer `%s'\n",
+ "CHANGE PREFERENCE",
+ GNUNET_i2s (peer));
+
+ if (GNUNET_NO == handle->running)
return;
-#if HAVE_LIBGLPK
- if (ats_mode == MODE_MLP)
- GAS_mlp_address_change_preference (solver, peer, kind, score);
-#endif
+
+ /* Tell solver about update */
+ handle->s_pref (handle->solver, peer, kind, score);
+}
+
+static unsigned int
+load_quotas (const struct GNUNET_CONFIGURATION_Handle *cfg, unsigned long long *out_dest, unsigned long long *in_dest, int dest_length)
+{
+ int quotas[GNUNET_ATS_NetworkTypeCount] = GNUNET_ATS_NetworkType;
+ char * entry_in = NULL;
+ char * entry_out = NULL;
+ char * quota_out_str;
+ char * quota_in_str;
+ int c;
+
+ for (c = 0; (c < GNUNET_ATS_NetworkTypeCount) && (c < dest_length); c++)
+ {
+ in_dest[c] = 0;
+ out_dest[c] = 0;
+ switch (quotas[c]) {
+ case GNUNET_ATS_NET_UNSPECIFIED:
+ entry_out = "UNSPECIFIED_QUOTA_OUT";
+ entry_in = "UNSPECIFIED_QUOTA_IN";
+ break;
+ case GNUNET_ATS_NET_LOOPBACK:
+ entry_out = "LOOPBACK_QUOTA_OUT";
+ entry_in = "LOOPBACK_QUOTA_IN";
+ break;
+ case GNUNET_ATS_NET_LAN:
+ entry_out = "LAN_QUOTA_OUT";
+ entry_in = "LAN_QUOTA_IN";
+ break;
+ case GNUNET_ATS_NET_WAN:
+ entry_out = "WAN_QUOTA_OUT";
+ entry_in = "WAN_QUOTA_IN";
+ break;
+ case GNUNET_ATS_NET_WLAN:
+ entry_out = "WLAN_QUOTA_OUT";
+ entry_in = "WLAN_QUOTA_IN";
+ break;
+ default:
+ break;
+ }
+
+ if ((entry_in == NULL) || (entry_out == NULL))
+ continue;
+
+ /* quota out */
+ if (GNUNET_OK == GNUNET_CONFIGURATION_get_value_string(cfg, "ats", entry_out, "a_out_str))
+ {
+ if (0 == strcmp(quota_out_str, BIG_M_STRING) ||
+ (GNUNET_SYSERR == GNUNET_STRINGS_fancy_size_to_bytes (quota_out_str, &out_dest[c])))
+ out_dest[c] = UINT32_MAX;
+
+ GNUNET_free (quota_out_str);
+ quota_out_str = NULL;
+ }
+ else if (GNUNET_ATS_NET_UNSPECIFIED == quotas[c])
+ out_dest[c] = UINT32_MAX;
+ else
+ out_dest[c] = UINT32_MAX;
+
+ /* quota in */
+ if (GNUNET_OK == GNUNET_CONFIGURATION_get_value_string(cfg, "ats", entry_in, "a_in_str))
+ {
+ if (0 == strcmp(quota_in_str, BIG_M_STRING) ||
+ (GNUNET_SYSERR == GNUNET_STRINGS_fancy_size_to_bytes (quota_in_str, &in_dest[c])))
+ in_dest[c] = UINT32_MAX;
+
+ GNUNET_free (quota_in_str);
+ quota_in_str = NULL;
+ }
+ else if (GNUNET_ATS_NET_UNSPECIFIED == quotas[c])
+ {
+ in_dest[c] = UINT32_MAX;
+ }
+ else
+ {
+ in_dest[c] = UINT32_MAX;
+ }
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Loaded quota: %s %u, %s %u\n", entry_in, in_dest[c], entry_out, out_dest[c]);
+
+ }
+ return GNUNET_ATS_NetworkTypeCount;
}
+static void
+bandwidth_changed_cb (struct ATS_Address *address)
+{
+ struct GAS_Addresses_Suggestion_Requests *cur;
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Bandwidth assignment changed for peer %s \n", GNUNET_i2s(&address->peer));
+ struct GNUNET_ATS_Information *ats;
+ unsigned int ats_count;
+
+ cur = handle->r_head;
+ while (NULL != cur)
+ {
+ if (0 == memcmp (&address->peer, &cur->id, sizeof (cur->id)))
+ break; /* we have an address request pending*/
+ cur = cur->next;
+ }
+ if (NULL == cur)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Nobody is interested in peer `%s' :(\n",GNUNET_i2s (&address->peer));
+ return;
+ }
+
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Sending bandwidth update for peer `%s'\n",GNUNET_i2s (&address->peer));
+
+ ats_count = assemble_ats_information (address, &ats);
+ GAS_scheduling_transmit_address_suggestion (&address->peer,
+ address->plugin,
+ address->addr, address->addr_len,
+ address->session_id,
+ ats, ats_count,
+ address->assigned_bw_out,
+ address->assigned_bw_in);
+}
+
/**
* Initialize address subsystem.
* @param cfg configuration to use
* @param stats the statistics handle to use
*/
-void
+struct GAS_Addresses_Handle *
GAS_addresses_init (const struct GNUNET_CONFIGURATION_Handle *cfg,
const struct GNUNET_STATISTICS_Handle *stats)
{
- int c;
- char *quota_wan_in_str;
- char *quota_wan_out_str;
+ struct GAS_Addresses_Handle *ah;
+ int quotas[GNUNET_ATS_NetworkTypeCount] = GNUNET_ATS_NetworkType;
+ unsigned long long quotas_in[GNUNET_ATS_NetworkTypeCount];
+ unsigned long long quotas_out[GNUNET_ATS_NetworkTypeCount];
+ int quota_count;
char *mode_str;
- running = GNUNET_NO;
-
- /* Initialize the system with configuration values */
- if (GNUNET_OK == GNUNET_CONFIGURATION_get_value_string(cfg, "ats", "WAN_QUOTA_IN", "a_wan_in_str))
- {
- if (0 == strcmp(quota_wan_in_str, "unlimited") ||
- (GNUNET_SYSERR == GNUNET_STRINGS_fancy_size_to_bytes (quota_wan_in_str, &wan_quota_in)))
- wan_quota_in = (UINT32_MAX) /10;
-
- GNUNET_free (quota_wan_in_str);
- quota_wan_in_str = NULL;
- }
- else
- {
- wan_quota_in = (UINT32_MAX) /10;
- }
+ int c;
- if (GNUNET_OK == GNUNET_CONFIGURATION_get_value_string(cfg, "ats", "WAN_QUOTA_OUT", "a_wan_out_str))
- {
- if (0 == strcmp(quota_wan_out_str, "unlimited") ||
- (GNUNET_SYSERR == GNUNET_STRINGS_fancy_size_to_bytes (quota_wan_out_str, &wan_quota_out)))
- wan_quota_out = (UINT32_MAX) /10;
-
- GNUNET_free (quota_wan_out_str);
- quota_wan_out_str = NULL;
- }
- else
- {
- wan_quota_out = (UINT32_MAX) /10;
- }
+ ah = GNUNET_malloc (sizeof (struct GAS_Addresses_Handle));
+ handle = ah;
+ handle->running = GNUNET_NO;
/* Initialize the addresses database */
- addresses = GNUNET_CONTAINER_multihashmap_create (128, GNUNET_NO);
- GNUNET_assert (NULL != addresses);
+ ah->addresses = GNUNET_CONTAINER_multihashmap_create (128, GNUNET_NO);
+ GNUNET_assert (NULL != ah->addresses);
/* Figure out configured solution method */
if (GNUNET_SYSERR == GNUNET_CONFIGURATION_get_value_string (cfg, "ats", "MODE", &mode_str))
{
GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "No ressource assignment method configured, using simplistic approch\n");
- ats_mode = MODE_SIMPLISTIC;
+ ah->ats_mode = MODE_SIMPLISTIC;
}
else
{
mode_str[c] = toupper (mode_str[c]);
if (0 == strcmp (mode_str, "SIMPLISTIC"))
{
- ats_mode = MODE_SIMPLISTIC;
+ ah->ats_mode = MODE_SIMPLISTIC;
}
else if (0 == strcmp (mode_str, "MLP"))
{
- ats_mode = MODE_MLP;
+ ah->ats_mode = MODE_MLP;
#if !HAVE_LIBGLPK
GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Assignment method `%s' configured, but GLPK is not availabe, please install \n", mode_str);
- ats_mode = MODE_SIMPLISTIC;
+ ah->ats_mode = MODE_SIMPLISTIC;
#endif
}
else
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Invalid ressource assignment method `%s' configured, using simplistic approch\n", mode_str);
- ats_mode = MODE_SIMPLISTIC;
+ ah->ats_mode = MODE_SIMPLISTIC;
}
+ GNUNET_free (mode_str);
}
-
/* Start configured solution method */
- switch (ats_mode)
+ switch (ah->ats_mode)
{
case MODE_MLP:
/* Init the MLP solver with default values */
- solver = GAS_mlp_init (cfg, stats, MLP_MAX_EXEC_DURATION, MLP_MAX_ITERATIONS);
- if (NULL != solver)
- {
- ats_mode = MODE_MLP;
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "ATS started in %s mode\n", "MLP");
- break;
- }
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Failed to initialize MLP solver!\n");
+#if HAVE_LIBGLPK
+ ah->ats_mode = MODE_MLP;
+ ah->s_init = &GAS_mlp_init;
+ ah->s_add = &GAS_mlp_address_add;
+ ah->s_update = &GAS_mlp_address_update;
+ ah->s_get = &GAS_mlp_get_preferred_address;
+ ah->s_pref = &GAS_mlp_address_change_preference;
+ ah->s_del = &GAS_mlp_address_delete;
+ ah->s_done = &GAS_mlp_done;
+#else
+ GNUNET_free (ah);
+ return NULL;
+#endif
+ break;
case MODE_SIMPLISTIC:
/* Init the simplistic solver with default values */
+ ah->ats_mode = MODE_SIMPLISTIC;
+ ah->s_init = &GAS_simplistic_init;
+ ah->s_add = &GAS_simplistic_address_add;
+ ah->s_update = &GAS_simplistic_address_update;
+ ah->s_get = &GAS_simplistic_get_preferred_address;
+ ah->s_pref = &GAS_simplistic_address_change_preference;
+ ah->s_del = &GAS_simplistic_address_delete;
+ ah->s_done = &GAS_simplistic_done;
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "ATS started in %s mode\n", "SIMPLISTIC");
- solver = GAS_simplistic_init (cfg, stats);
- if (NULL != solver)
- {
- ats_mode = MODE_SIMPLISTIC;
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "ATS started in %s mode\n", "SIMPLISTIC");
- break;
- }
- else
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Failed to initialize simplistic solver!\n");
- return;
- }
break;
default:
+ return NULL;
break;
}
+
+ GNUNET_assert (NULL != ah->s_init);
+ GNUNET_assert (NULL != ah->s_add);
+ GNUNET_assert (NULL != ah->s_update);
+ GNUNET_assert (NULL != ah->s_get);
+ GNUNET_assert (NULL != ah->s_pref);
+ GNUNET_assert (NULL != ah->s_del);
+ GNUNET_assert (NULL != ah->s_done);
+
+ quota_count = load_quotas(cfg, quotas_in, quotas_out, GNUNET_ATS_NetworkTypeCount);
+
+ ah->solver = ah->s_init (cfg, stats, quotas, quotas_in, quotas_out, quota_count, &bandwidth_changed_cb);
+ if (NULL == ah->solver)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Failed to initialize solver!\n");
+ GNUNET_free (ah);
+ return NULL;
+ }
+
/* up and running */
- running = GNUNET_YES;
+ ah->running = GNUNET_YES;
+ return ah;
}
void
GAS_addresses_destroy_all ()
{
- if (GNUNET_NO == running)
+ if (GNUNET_NO == handle->running)
return;
- if (addresses != NULL)
- GNUNET_CONTAINER_multihashmap_iterate (addresses, &free_address_it, NULL);
- GNUNET_assert (active_addr_count == 0);
+ if (handle->addresses != NULL)
+ GNUNET_CONTAINER_multihashmap_iterate (handle->addresses, &free_address_it, NULL);
}
* Shutdown address subsystem.
*/
void
-GAS_addresses_done ()
+GAS_addresses_done (struct GAS_Addresses_Handle *handle)
{
- GAS_addresses_destroy_all ();
- running = GNUNET_NO;
- GNUNET_CONTAINER_multihashmap_destroy (addresses);
- addresses = NULL;
+ struct GAS_Addresses_Suggestion_Requests *cur;
- /* Stop configured solution method */
- switch (ats_mode)
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Shutting down addresses\n");
+ GNUNET_assert (NULL != handle);
+ GAS_addresses_destroy_all ();
+ handle->running = GNUNET_NO;
+ GNUNET_CONTAINER_multihashmap_destroy (handle->addresses);
+ handle->addresses = NULL;
+ while (NULL != (cur = handle->r_head))
{
- case MODE_MLP:
- /* Init the MLP solver with default values */
- GAS_mlp_done (solver);
- break;
- case MODE_SIMPLISTIC:
- /* Init the simplistic solver with default values */
- GAS_simplistic_done (solver);
- break;
- default:
- break;
+ GNUNET_CONTAINER_DLL_remove (handle->r_head, handle->r_tail, cur);
+ GNUNET_free (cur);
}
+ handle->s_done (handle->solver);
+ GNUNET_free (handle);
+ /* Stop configured solution method */
+
}
struct PeerIteratorContext
if (NULL == p_it)
return;
- GNUNET_assert (NULL != addresses);
+ GNUNET_assert (NULL != handle->addresses);
- size = GNUNET_CONTAINER_multihashmap_size(addresses);
+ size = GNUNET_CONTAINER_multihashmap_size(handle->addresses);
if (0 != size)
{
ip_ctx.it = p_it;
ip_ctx.it_cls = p_it_cls;
ip_ctx.peers_returned = GNUNET_CONTAINER_multihashmap_create (size, GNUNET_NO);
- GNUNET_CONTAINER_multihashmap_iterate (addresses, &peer_it, &ip_ctx);
+ GNUNET_CONTAINER_multihashmap_iterate (handle->addresses, &peer_it, &ip_ctx);
GNUNET_CONTAINER_multihashmap_destroy (ip_ctx.peers_returned);
}
p_it (p_it_cls, NULL);
struct PeerInfoIteratorContext pi_ctx;
struct GNUNET_BANDWIDTH_Value32NBO zero_bw;
GNUNET_assert (NULL != peer);
- GNUNET_assert (NULL != addresses);
+ GNUNET_assert (NULL != handle->addresses);
if (NULL == pi_it)
return; /* does not make sense without callback */
pi_ctx.it = pi_it;
pi_ctx.it_cls = pi_it_cls;
- GNUNET_CONTAINER_multihashmap_get_multiple (addresses, &peer->hashPubKey, &peerinfo_it, &pi_ctx);
+ GNUNET_CONTAINER_multihashmap_get_multiple (handle->addresses, &peer->hashPubKey, &peerinfo_it, &pi_ctx);
if (NULL != pi_it)
pi_it (pi_it_cls, NULL, NULL, NULL, 0, GNUNET_NO, NULL, 0, zero_bw, zero_bw);
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