/*
This file is part of GNUnet.
- Copyright (C) 2011-2014 Christian Grothoff (and other contributing authors)
+ Copyright (C) 2011-2014 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
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.
+ Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301, USA.
*/
/**
};
+enum QualityMetrics
+{
+ RQ_QUALITY_METRIC_DELAY = 0,
+ RQ_QUALITY_METRIC_DISTANCE = 1,
+ RQ_QUALITY_METRIC_COUNT = 2
+};
+
+
+static const char *
+print_quality_type (enum QualityMetrics qm)
+{
+ switch (qm){
+ case RQ_QUALITY_METRIC_DELAY:
+ return "delay";
+ case RQ_QUALITY_METRIC_DISTANCE:
+ return "distance";
+ default:
+ GNUNET_break (0);
+ return NULL;
+ }
+}
+
+
struct MLP_Solution
{
int lp_res;
/* Row index constraint 9: relativity*/
unsigned int r_c9;
/* Row indices quality metrics */
- int r_q[GNUNET_ATS_QualityPropertiesCount];
+ int r_q[RQ_QUALITY_METRIC_COUNT];
/* Row indices ATS network quotas */
int r_quota[GNUNET_ATS_NetworkTypeCount];
/* Column index Proportionality (R) column */
int c_r;
/* Column index quality metrics */
- int c_q[GNUNET_ATS_QualityPropertiesCount];
+ int c_q[RQ_QUALITY_METRIC_COUNT];
/* Problem matrix */
/* Current index */
/* LP MIP Gap */
double lp_mip_gap;
- /* ATS Quality metrics
- *
- * Array with GNUNET_ATS_QualityPropertiesCount elements
- * contains mapping to GNUNET_ATS_Property*/
- int q[GNUNET_ATS_QualityPropertiesCount];
-
- /* Number of quality metrics */
+ /* Number of quality metrics @deprecated, use RQ_QUALITY_METRIC_COUNT */
int m_q;
/* Number of quality metrics */
int m_rc;
/* Quality metric coefficients*/
- double co_Q[GNUNET_ATS_QualityPropertiesCount];
+ double co_Q[RQ_QUALITY_METRIC_COUNT];
/* Ressource costs coefficients*/
- double co_RC[GNUNET_ATS_QualityPropertiesCount];
+ double co_RC[RQ_QUALITY_METRIC_COUNT];
/* Diversity coefficient */
double co_D;
* array with GNUNET_ATS_QualityPropertiesCount elements
* contains mapping to GNUNET_ATS_Property
* */
- int rc[GNUNET_ATS_QualityPropertiesCount];
+ int rc[RQ_QUALITY_METRIC_COUNT];
};
mlp->p.r_c4 = MLP_UNDEFINED;
mlp->p.r_c6 = MLP_UNDEFINED;
mlp->p.r_c9 = MLP_UNDEFINED;
- for (c = 0; c < mlp->pv.m_q ; c ++)
+ for (c = 0; c < RQ_QUALITY_METRIC_COUNT ; c ++)
mlp->p.r_q[c] = MLP_UNDEFINED;
for (c = 0; c < GNUNET_ATS_NetworkTypeCount; c ++)
mlp->p.r_quota[c] = MLP_UNDEFINED;
}
}
-/**
- * Extract an ATS performance info from an address
- *
- * @param address the address
- * @param type the type to extract in HBO
- * @return the value in HBO or GNUNET_ATS_VALUE_UNDEFINED in HBO if value does not exist
- */
-static uint32_t
-get_performance_info (struct ATS_Address *address, uint32_t type)
-{
- int c1;
- GNUNET_assert (NULL != address);
-
- if ((NULL == address->atsi) || (0 == address->atsi_count))
- return GNUNET_ATS_VALUE_UNDEFINED;
-
- for (c1 = 0; c1 < address->atsi_count; c1++)
- {
- if (ntohl (address->atsi[c1].type) == type)
- return ntohl (address->atsi[c1].value);
- }
- return GNUNET_ATS_VALUE_UNDEFINED;
-}
-
struct CountContext
{
double *val_array;
int *ind_array;
- GNUNET_assert (NULL != p);
GNUNET_assert (NULL != p->prob);
/* Get number of columns and prepare data structure */
struct ATS_Peer *peer;
struct MLP_information *mlpi;
char *name;
- double prop;
double cur_bigm;
uint32_t addr_net;
uint32_t addr_net_index;
return GNUNET_OK;
}
- addr_net = get_performance_info (address, GNUNET_ATS_NETWORK_TYPE);
+ addr_net = address->properties.scope;
for (addr_net_index = 0; addr_net_index < GNUNET_ATS_NetworkTypeCount; addr_net_index++)
{
if (mlp->pv.quota_index[addr_net_index] == addr_net)
/* For all quality metrics, set quality of this address */
if (GNUNET_YES == mlp->opt_dbg_optimize_quality)
{
- for (c = 0; c < mlp->pv.m_q; c++)
- {
- prop = address->atsin[c].norm;
- if ((prop < 1.0) && (prop > 2.0))
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "PROP == %.3f \t ",
- prop);
- GNUNET_break (0);
- }
- mlp_create_problem_set_value (p,
- p->r_q[c],
- mlpi->c_b,
- prop,
- __LINE__);
- }
+ mlp_create_problem_set_value (p,
+ p->r_q[RQ_QUALITY_METRIC_DELAY],
+ mlpi->c_b,
+ address->norm_delay.norm,
+ __LINE__);
+ mlp_create_problem_set_value (p,
+ p->r_q[RQ_QUALITY_METRIC_DISTANCE],
+ mlpi->c_b,
+ address->norm_distance.norm,
+ __LINE__);
}
}
{
for (c = 0; c < mlp->pv.m_q; c++)
{
- GNUNET_asprintf (&name, "c7_q%i_%s", c,
- GNUNET_ATS_print_property_type (mlp->pv.q[c]));
+ GNUNET_asprintf (&name,
+ "c7_q%i_%s", c,
+ print_quality_type (c));
p->r_q[c] = mlp_create_problem_create_constraint (p, name, GLP_FX, 0.0, 0.0);
GNUNET_free (name);
- mlp_create_problem_set_value (p, p->r_q[c], p->c_q[c], -1, __LINE__);
+ mlp_create_problem_set_value (p,
+ p->r_q[c],
+ p->c_q[c], -1, __LINE__);
}
}
}
{
for (c = 0; c < mlp->pv.m_q; c++)
{
- GNUNET_asprintf (&name, "q_%u", mlp->pv.q[c]);
+ GNUNET_asprintf (&name, "q_%u", c);
p->c_q[c] = mlp_create_problem_create_column (p, name, GLP_CV, GLP_LO, 0.0, 0.0, mlp->pv.co_Q[c]);
GNUNET_free (name);
}
{
LOG(GNUNET_ERROR_TYPE_DEBUG, "Problem size changed, rebuilding\n");
notify(mlp, GAS_OP_SOLVE_SETUP_START, GAS_STAT_SUCCESS, GAS_INFO_FULL);
- mlp_delete_problem(mlp);
- if (GNUNET_SYSERR == mlp_create_problem(mlp))
+ mlp_delete_problem (mlp);
+ if (GNUNET_SYSERR == mlp_create_problem (mlp))
{
notify(mlp, GAS_OP_SOLVE_SETUP_STOP, GAS_STAT_FAIL, GAS_INFO_FULL);
return GNUNET_SYSERR;
{
struct GAS_MLP_Handle *mlp = solver;
- GNUNET_assert (NULL != solver);
- GNUNET_assert (NULL != address);
-
if (GNUNET_ATS_NetworkTypeCount <= network)
{
- GNUNET_break (0);
- return;
+ GNUNET_break (0);
+ return;
}
if (NULL == address->solver_information)
*
* @param solver solver handle
* @param address the address
- * @param type the ATSI type in HBO
- * @param abs_value the absolute value of the property
- * @param rel_value the normalized value
*/
static void
GAS_mlp_address_property_changed (void *solver,
- struct ATS_Address *address,
- enum GNUNET_ATS_Property type,
- uint32_t abs_value,
- double rel_value)
+ struct ATS_Address *address)
{
struct MLP_information *mlpi = address->solver_information;
struct GAS_MLP_Handle *mlp = solver;
- int c1;
- int type_index;
- GNUNET_assert (NULL != solver);
- GNUNET_assert (NULL != address);
+ if (NULL == mlp->p.prob)
+ return; /* There is no MLP problem to update yet */
if (NULL == mlpi)
{
- LOG (GNUNET_ERROR_TYPE_INFO,
- _("Updating address property `%s' for peer `%s' %p not added before\n"),
- GNUNET_ATS_print_property_type (type),
- GNUNET_i2s(&address->peer),
- address);
- GNUNET_break (0);
- return;
+ LOG (GNUNET_ERROR_TYPE_INFO,
+ _("Updating address property for peer `%s' %p not added before\n"),
+ GNUNET_i2s (&address->peer),
+ address);
+ GNUNET_break (0);
+ return;
}
-
if (NULL ==
GNUNET_CONTAINER_multipeermap_get (mlp->requested_peers,
&address->peer))
/* Peer is not requested, so no need to update problem */
return;
}
- LOG (GNUNET_ERROR_TYPE_INFO, "Updating property `%s' address for peer `%s' to abs %llu rel %.3f\n",
- GNUNET_ATS_print_property_type (type),
- GNUNET_i2s(&address->peer),
- abs_value,
- rel_value);
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "Updating properties for peer `%s'\n",
+ GNUNET_i2s(&address->peer));
if (GNUNET_YES == mlp->opt_dbg_feasibility_only)
return;
- /* Find row index */
- type_index = -1;
- for (c1 = 0; c1 < mlp->pv.m_q; c1++)
- {
- if (type == mlp->pv.q[c1])
- {
- type_index = c1;
- break;
- }
- }
- if (-1 == type_index)
- {
- GNUNET_break (0);
- return; /* quality index not found */
- }
-
/* Update c7) [r_q[index]][c_b] = f_q * q_averaged[type_index] */
- if (GNUNET_YES == mlp_create_problem_update_value (&mlp->p,
- mlp->p.r_q[type_index], mlpi->c_b, rel_value, __LINE__))
+ if ( (GNUNET_YES ==
+ mlp_create_problem_update_value (&mlp->p,
+ mlp->p.r_q[RQ_QUALITY_METRIC_DELAY],
+ mlpi->c_b,
+ address->norm_delay.norm,
+ __LINE__)) ||
+ (GNUNET_YES ==
+ mlp_create_problem_update_value (&mlp->p,
+ mlp->p.r_q[RQ_QUALITY_METRIC_DISTANCE],
+ mlpi->c_b,
+ address->norm_distance.norm,
+ __LINE__)) )
{
mlp->stat_mlp_prob_updated = GNUNET_YES;
if (GNUNET_YES == mlp->opt_mlp_auto_solve)
preferences = mlp->env->get_preferences (mlp->env->cls, peer);
res = 0.0;
- for (c = 0; c < GNUNET_ATS_PreferenceCount; c++)
+ for (c = 0; c < GNUNET_ATS_PREFERENCE_END; c++)
{
- if (c != GNUNET_ATS_PREFERENCE_END)
- {
- /* fprintf (stderr, "VALUE[%u] %s %.3f \n",
- * c, GNUNET_i2s (&cur->addr->peer), t[c]); */
- res += preferences[c];
- }
+ /* fprintf (stderr, "VALUE[%u] %s %.3f \n",
+ * c, GNUNET_i2s (&cur->addr->peer), t[c]); */
+ res += preferences[c];
}
- res /= (GNUNET_ATS_PreferenceCount -1);
+ res /= GNUNET_ATS_PREFERENCE_END;
res += 1.0;
LOG (GNUNET_ERROR_TYPE_DEBUG,
*
* @param solver the MLP Handle
* @param peer the peer
- * @return suggested address
*/
-static const struct ATS_Address *
+static void
GAS_mlp_get_preferred_address (void *solver,
const struct GNUNET_PeerIdentity *peer)
{
struct ATS_Peer *p;
struct ATS_Address *res;
- GNUNET_assert (NULL != solver);
- GNUNET_assert (NULL != peer);
-
- LOG (GNUNET_ERROR_TYPE_DEBUG, "Getting preferred address for `%s'\n",
- GNUNET_i2s (peer));
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "Getting preferred address for `%s'\n",
+ GNUNET_i2s (peer));
/* Is this peer included in the problem? */
if (NULL ==
res = NULL;
GNUNET_CONTAINER_multipeermap_get_multiple (mlp->env->addresses, peer,
&mlp_get_preferred_address_it, &res);
- return res;
+ if (NULL != res)
+ mlp->env->bandwidth_changed_cb (mlp->env->cls,
+ res);
}
{
struct GAS_MLP_Handle *mlp = solver;
struct MLP_information *mlpi;
+ struct ATS_Address *res;
int was_active;
mlpi = address->solver_information;
}
if (GNUNET_YES == was_active)
{
- if (NULL == GAS_mlp_get_preferred_address (solver, &address->peer))
+ GAS_mlp_get_preferred_address (solver, &address->peer);
+ res = NULL;
+ GNUNET_CONTAINER_multipeermap_get_multiple (mlp->env->addresses,
+ &address->peer,
+ &mlp_get_preferred_address_it,
+ &res);
+ if (NULL == res)
{
/* No alternative address, disconnecting peer */
mlp->env->bandwidth_changed_cb (mlp->env->cls, address);
}
/* Get quality metric coefficients from configuration */
- int i_delay = MLP_NaN;
- int i_distance = MLP_NaN;
- int q[GNUNET_ATS_QualityPropertiesCount] = GNUNET_ATS_QualityProperties;
- for (c = 0; c < GNUNET_ATS_QualityPropertiesCount; c++)
+ for (c = 0; c < RQ_QUALITY_METRIC_COUNT; c++)
{
/* initialize quality coefficients with default value 1.0 */
- mlp->pv.co_Q[c] = MLP_DEFAULT_QUALITY;
-
- mlp->pv.q[c] = q[c];
- if (q[c] == GNUNET_ATS_QUALITY_NET_DELAY)
- i_delay = c;
- if (q[c] == GNUNET_ATS_QUALITY_NET_DISTANCE)
- i_distance = c;
+ mlp->pv.co_Q[c] = MLP_DEFAULT_QUALITY;
}
- if ( (i_delay != MLP_NaN) &&
- (GNUNET_OK == GNUNET_CONFIGURATION_get_value_size (env->cfg, "ats",
- "MLP_COEFFICIENT_QUALITY_DELAY", &tmp)) )
- mlp->pv.co_Q[i_delay] = (double) tmp / 100;
+
+ if (GNUNET_OK ==
+ GNUNET_CONFIGURATION_get_value_size (env->cfg, "ats",
+ "MLP_COEFFICIENT_QUALITY_DELAY",
+ &tmp))
+ mlp->pv.co_Q[RQ_QUALITY_METRIC_DELAY] = (double) tmp / 100;
else
- mlp->pv.co_Q[i_delay] = MLP_DEFAULT_QUALITY;
+ mlp->pv.co_Q[RQ_QUALITY_METRIC_DELAY] = MLP_DEFAULT_QUALITY;
- if ( (i_distance != MLP_NaN) &&
- (GNUNET_OK == GNUNET_CONFIGURATION_get_value_size (env->cfg, "ats",
- "MLP_COEFFICIENT_QUALITY_DISTANCE", &tmp)) )
- mlp->pv.co_Q[i_distance] = (double) tmp / 100;
+ if (GNUNET_OK ==
+ GNUNET_CONFIGURATION_get_value_size (env->cfg, "ats",
+ "MLP_COEFFICIENT_QUALITY_DISTANCE",
+ &tmp))
+ mlp->pv.co_Q[RQ_QUALITY_METRIC_DISTANCE] = (double) tmp / 100;
else
- mlp->pv.co_Q[i_distance] = MLP_DEFAULT_QUALITY;
+ mlp->pv.co_Q[RQ_QUALITY_METRIC_DISTANCE] = MLP_DEFAULT_QUALITY;
/* Get minimum bandwidth per used address from configuration */
if (GNUNET_OK == GNUNET_CONFIGURATION_get_value_size (env->cfg, "ats",
/* Setting MLP Input variables */
mlp->pv.b_min = b_min;
mlp->pv.n_min = n_min;
- mlp->pv.m_q = GNUNET_ATS_QualityPropertiesCount;
+ mlp->pv.m_q = RQ_QUALITY_METRIC_COUNT;
mlp->stat_mlp_prob_changed = GNUNET_NO;
mlp->stat_mlp_prob_updated = GNUNET_NO;
mlp->opt_mlp_auto_solve = GNUNET_YES;
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