/*
This file is part of GNUnet.
- (C) 2011 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
- 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 Fabian Oehlmann
* @author Matthias Wachs
*/
-#include "plugin_ats_ril.h"
+#include "platform.h"
+#include <float.h>
+#include <math.h>
+#include "gnunet_ats_plugin.h"
+#include "gnunet-service-ats_addresses.h"
+
+
#define LOG(kind,...) GNUNET_log_from (kind, "ats-ril",__VA_ARGS__)
struct ATS_Address *address_naked;
};
+
struct RIL_Peer_Agent
{
/**
/**
* Last perceived state feature vector
*/
- double * s_old;
+ double *s_old;
/**
* Last chosen action
/**
* Address in use
*/
- struct ATS_Address * address_inuse;
+ struct ATS_Address *address_inuse;
/**
* Head of addresses DLL
*/
- struct RIL_Address_Wrapped * addresses_head;
+ struct RIL_Address_Wrapped *addresses_head;
/**
* Tail of addresses DLL
*/
- struct RIL_Address_Wrapped * addresses_tail;
+ struct RIL_Address_Wrapped *addresses_tail;
/**
* Inbound bandwidth assigned by the agent
*/
- unsigned long long bw_in;
+ uint32_t bw_in;
/**
* Outbound bandwidth assigned by the agent
*/
- unsigned long long bw_out;
+ uint32_t bw_out;
/**
* Flag whether a suggestion has to be issued
/**
* The address which has to be issued
*/
- struct ATS_Address * suggestion_address;
+ struct ATS_Address *suggestion_address;
/**
* The agent's last objective value
/**
* ATS network type
*/
- enum GNUNET_ATS_Network_Type type;
+ enum GNUNET_NetworkType type;
/**
* Total available inbound bandwidth
*/
- unsigned long long bw_in_available;
+ uint32_t bw_in_available;
/**
* Bandwidth inbound assigned in network after last step
*/
- unsigned long long bw_in_assigned;
+ uint32_t bw_in_assigned;
/**
* Bandwidth inbound actually utilized in the network
*/
- unsigned long long bw_in_utilized;
+ uint32_t bw_in_utilized;
/**
* Total available outbound bandwidth
*/
- unsigned long long bw_out_available;
+ uint32_t bw_out_available;
/**
* Bandwidth outbound assigned in network after last step
/**
* The solver-plugin environment of the solver-plugin API
*/
- struct GNUNET_ATS_PluginEnvironment *plugin_envi;
-
- /**
- * Statistics handle
- */
- struct GNUNET_STATISTICS_Handle *stats;
+ struct GNUNET_ATS_PluginEnvironment *env;
/**
* Number of performed steps
/**
* Task identifier of the next time-step to be executed
*/
- GNUNET_SCHEDULER_TaskIdentifier step_next_task_id;
+ struct GNUNET_SCHEDULER_Task * step_next_task_id;
/**
* Variable discount factor, dependent on time between steps
* @return estimation value
*/
static double
-agent_q (struct RIL_Peer_Agent *agent, double *state, int action)
+agent_q (struct RIL_Peer_Agent *agent,
+ const double *state,
+ int action)
{
- int i;
- double result = 0;
+ unsigned int i;
+ double result = 0.0;
for (i = 0; i < agent->m; i++)
- {
result += state[i] * agent->W[action][i];
- }
- GNUNET_assert(!isnan(result));
-
- //prevent crash when learning diverges
+ /* prevent crashes if learning diverges */
+ if (isnan(result))
+ return isnan(result) * UINT32_MAX;
if (isinf(result))
- {
return isinf(result) * UINT32_MAX;
- }
return result;
}
enum GAS_Solver_Operation op,
enum GAS_Solver_Status stat)
{
- if (NULL != solver->plugin_envi->info_cb)
- solver->plugin_envi->info_cb (solver->plugin_envi->info_cb_cls, op, stat, GAS_INFO_NONE);
+ solver->env->info_cb (solver->env->cls,
+ op,
+ stat,
+ GAS_INFO_NONE);
}
/**
* @param new_address the address which is to be used
* @param new_bw_in the new amount of inbound bandwidth set for this address
* @param new_bw_out the new amount of outbound bandwidth set for this address
- * @param silent disables invocation of the bw_changed callback, if GNUNET_YES
+ * @param silent disables invocation of the bw_changed callback, if #GNUNET_YES
*/
static void
envi_set_active_suggestion (struct GAS_RIL_Handle *solver,
{
int notify = GNUNET_NO;
- LOG(GNUNET_ERROR_TYPE_DEBUG, " set_active_suggestion() for peer '%s'\n", GNUNET_i2s (&agent->peer));
+ LOG(GNUNET_ERROR_TYPE_DEBUG,
+ " set_active_suggestion() for peer '%s'\n",
+ GNUNET_i2s (&agent->peer));
//address change
if (agent->address_inuse != new_address)
if (NULL != agent->address_inuse)
{
agent->address_inuse->active = GNUNET_NO;
- agent->address_inuse->assigned_bw_in.value__ = htonl (0);
- agent->address_inuse->assigned_bw_out.value__ = htonl (0);
+ agent->address_inuse->assigned_bw_in = 0;
+ agent->address_inuse->assigned_bw_out = 0;
}
if (NULL != new_address)
{
LOG(GNUNET_ERROR_TYPE_DEBUG, " set address active: %s\n", agent->is_active ? "yes" : "no");
new_address->active = agent->is_active;
- new_address->assigned_bw_in.value__ = htonl (agent->bw_in);
- new_address->assigned_bw_out.value__ = htonl (agent->bw_out);
+ new_address->assigned_bw_in = agent->bw_in;
+ new_address->assigned_bw_out = agent->bw_out;
}
notify |= GNUNET_YES;
}
if (agent->bw_in != new_bw_in)
{
agent->bw_in = new_bw_in;
- new_address->assigned_bw_in.value__ = htonl (new_bw_in);
+ new_address->assigned_bw_in = new_bw_in;
notify |= GNUNET_YES;
}
if (agent->bw_out != new_bw_out)
{
agent->bw_out = new_bw_out;
- new_address->assigned_bw_out.value__ = htonl (new_bw_out);
+ new_address->assigned_bw_out = new_bw_out;
notify |= GNUNET_YES;
}
}
}
else if (agent->address_inuse)
{
- //disconnect case, no new address
- GNUNET_assert(0 == ntohl (agent->address_inuse->assigned_bw_in.value__));
- GNUNET_assert(0 == ntohl (agent->address_inuse->assigned_bw_out.value__));
+ /* disconnect case, no new address */
+ GNUNET_assert(0 == agent->address_inuse->assigned_bw_in);
+ GNUNET_assert(0 == agent->address_inuse->assigned_bw_out);
agent->bw_in = 0;
agent->bw_out = 0;
return state;
}
-/**
- * Retrieves an ATS information value of an address
- *
- * @param address the address in question
- * @param type the ATS information type
- * @return the value
- */
-static unsigned int
-ril_get_atsi (struct ATS_Address *address, uint32_t type)
-{
- int c1;
- GNUNET_assert(NULL != address);
-
- if ((NULL == address->atsi) || (0 == address->atsi_count))
- return GNUNET_ATS_QUALITY_NET_DELAY == type ? UINT32_MAX : 1;
-
- for (c1 = 0; c1 < address->atsi_count; c1++)
- {
- if (ntohl (address->atsi[c1].type) == type)
- return ntohl (address->atsi[c1].value);
- }
- return GNUNET_ATS_QUALITY_NET_DELAY == type ? UINT32_MAX : 1;
-}
/**
* Returns the utility value of the connection an agent manages
double delay_norm;
double pref_match;
- preferences = agent->envi->plugin_envi->get_preferences (agent->envi->plugin_envi->get_preference_cls,
- &agent->peer);
+ preferences = agent->envi->env->get_preferences (agent->envi->env->cls,
+ &agent->peer);
- delay_atsi = (double) ril_get_atsi (agent->address_inuse, GNUNET_ATS_QUALITY_NET_DELAY);
+ delay_atsi = agent->address_inuse->norm_delay.norm;
delay_norm = RIL_UTILITY_DELAY_MAX*exp(-delay_atsi*0.00001);
pref_match = preferences[GNUNET_ATS_PREFERENCE_LATENCY] * delay_norm;
pref_match += preferences[GNUNET_ATS_PREFERENCE_BANDWIDTH] *
sqrt((double) (agent->bw_in/RIL_MIN_BW) * (double) (agent->bw_out/RIL_MIN_BW));
-// sqrt((double) (ril_get_atsi (agent->address_inuse, GNUNET_ATS_UTILIZATION_IN)/RIL_MIN_BW) * (double) (ril_get_atsi (agent->address_inuse, GNUNET_ATS_UTILIZATION_OUT)/RIL_MIN_BW));
-
-// return (double) (agent->bw_in/RIL_MIN_BW);
-// return sqrt((double) (agent->bw_in/RIL_MIN_BW) * (double) (agent->bw_out/RIL_MIN_BW));
return pref_match;
}
over_in = net->bw_in_utilized - net->bw_in_available;
if (RIL_ACTION_BW_IN_INC == agent->a_old)
{
- over_in *= 2;
+ /* increase quadratically */
+ over_in *= over_in;
}
}
if (net->bw_out_utilized > net->bw_out_available)
over_out = net->bw_out_utilized - net->bw_out_available;
if (RIL_ACTION_BW_OUT_INC == agent->a_old)
{
- over_out *= 2;
+ /* increase quadratically */
+ over_out *= over_out;
}
}
- over_max = (over_in + over_out) / RIL_MIN_BW;
+ over_max = (over_in + over_out) / (RIL_MIN_BW * RIL_MIN_BW);
return -1.0 * (double) over_max;
}
struct RIL_Address_Wrapped *cur;
int i = 0;
- cur = agent_address_get_wrapped(agent, agent->address_inuse);
+ //cur = agent_address_get_wrapped(agent, agent->address_inuse);
for (cur = agent->addresses_head; NULL != cur; cur = cur->next)
{
if (agent_action_is_possible(agent, i))
{
eqt[i] = exp(agent_q(agent,state,i) / agent->envi->parameters.temperature);
+ if (isinf (eqt[i]))
+ eqt[i] = isinf(eqt[i]) * UINT32_MAX;
sum += eqt[i];
}
}
GNUNET_assert(RIL_ACTION_INVALID != a_next);
- GNUNET_log (GNUNET_ERROR_TYPE_INFO, "step() Step# %llu R: %f IN %llu OUT %llu A: %d\n",
+ LOG (GNUNET_ERROR_TYPE_DEBUG, "step() Step# %llu R: %f IN %llu OUT %llu A: %d\n",
agent->step_count,
reward,
agent->bw_in/1024,
static void
ril_step (struct GAS_RIL_Handle *solver);
+
/**
* Task for the scheduler, which performs one step and lets the solver know that
* no further step is scheduled.
*
* @param cls the solver handle
- * @param tc the task context for the scheduler
*/
static void
-ril_step_scheduler_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+ril_step_scheduler_task (void *cls)
{
struct GAS_RIL_Handle *solver = cls;
- solver->step_next_task_id = GNUNET_SCHEDULER_NO_TASK;
+ solver->step_next_task_id = NULL;
ril_step (solver);
}
* @return GNUNET_YES if there are theoretically enough resources left
*/
static int
-ril_network_is_not_full (struct GAS_RIL_Handle *solver, enum GNUNET_ATS_Network_Type network)
+ril_network_is_not_full (struct GAS_RIL_Handle *solver, enum GNUNET_NetworkType network)
{
struct RIL_Scope *net;
struct RIL_Peer_Agent *agent;
* @return the sum of the assigned bandwidths
*/
static unsigned long long
-ril_network_get_assigned (struct GAS_RIL_Handle *solver, enum GNUNET_ATS_Network_Type type, int direction_in)
+ril_network_get_assigned (struct GAS_RIL_Handle *solver, enum GNUNET_NetworkType type, int direction_in)
{
struct RIL_Peer_Agent *cur;
struct RIL_Scope *net;
* @return the sum of the utilized bandwidths (in bytes/second)
*/
static unsigned long long
-ril_network_get_utilized (struct GAS_RIL_Handle *solver, enum GNUNET_ATS_Network_Type type, int direction_in)
+ril_network_get_utilized (struct GAS_RIL_Handle *solver, enum GNUNET_NetworkType type, int direction_in)
{
struct RIL_Peer_Agent *cur;
struct RIL_Scope *net;
if (net->type == type)
{
if (direction_in)
- sum += ril_get_atsi (cur->address_inuse, GNUNET_ATS_UTILIZATION_IN);
+ sum += cur->address_inuse->norm_utilization_in.norm;
else
- sum += ril_get_atsi (cur->address_inuse, GNUNET_ATS_UTILIZATION_OUT);
+ sum += cur->address_inuse->norm_utilization_out.norm;
}
}
}
GNUNET_assert(y <= (double) solver->parameters.step_time_max.rel_value_us);
GNUNET_assert(y >= (double) solver->parameters.step_time_min.rel_value_us);
- time_next = GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MICROSECONDS, (unsigned long long) y);
+ time_next = GNUNET_TIME_relative_saturating_multiply (GNUNET_TIME_UNIT_MICROSECONDS, (unsigned long long) y);
// LOG (GNUNET_ERROR_TYPE_INFO, "ratio: %f, factor: %f, offset: %f, y: %f\n",
// used_ratio,
time_next = GNUNET_TIME_UNIT_ZERO;
}
- if ((GNUNET_SCHEDULER_NO_TASK == solver->step_next_task_id) && (GNUNET_NO == solver->done))
+ if ((NULL == solver->step_next_task_id) && (GNUNET_NO == solver->done))
{
solver->step_next_task_id = GNUNET_SCHEDULER_add_delayed (time_next, &ril_step_scheduler_task,
solver);
ril_networks_update_state (solver);
- solver->step_count += 1;
+ solver->step_count++;
ril_step_schedule_next (solver);
ril_inform (solver, GAS_OP_SOLVE_STOP, GAS_STAT_SUCCESS);
for (cur = solver->agents_head; NULL != cur; cur = cur->next)
{
if (cur->suggestion_issue) {
- solver->plugin_envi->bandwidth_changed_cb(solver->plugin_envi->bw_changed_cb_cls, cur->suggestion_address);
+ solver->env->bandwidth_changed_cb (solver->env->cls,
+ cur->suggestion_address);
cur->suggestion_issue = GNUNET_NO;
}
}
* @return whether or not the network is considered active
*/
static int
-ril_network_is_active (struct GAS_RIL_Handle *solver, enum GNUNET_ATS_Network_Type network)
+ril_network_is_active (struct GAS_RIL_Handle *solver, enum GNUNET_NetworkType network)
{
struct RIL_Scope *net;
else
{
tmpptr = GNUNET_malloc (size);
- memcpy (tmpptr, oldptr, bytes_before);
- memcpy (tmpptr + bytes_before, oldptr + (bytes_before + bytes_hole), bytes_after);
+ GNUNET_memcpy (tmpptr, oldptr, bytes_before);
+ GNUNET_memcpy (tmpptr + bytes_before, oldptr + (bytes_before + bytes_hole), bytes_after);
}
if (NULL != *old)
{
* @param kind the kind to change the preference
* @param pref_rel the normalized preference value for this kind over all clients
*/
-void
+static void
GAS_ril_address_change_preference (void *solver,
- const struct GNUNET_PeerIdentity *peer,
- enum GNUNET_ATS_PreferenceKind kind,
- double pref_rel)
+ const struct GNUNET_PeerIdentity *peer,
+ enum GNUNET_ATS_PreferenceKind kind,
+ double pref_rel)
{
LOG(GNUNET_ERROR_TYPE_DEBUG,
"API_address_change_preference() Preference '%s' for peer '%s' changed to %.2f \n",
ril_step (s);
}
-/**
- * Entry point for the plugin
- *
- * @param cls pointer to the 'struct GNUNET_ATS_PluginEnvironment'
- */
-void *
-libgnunet_plugin_ats_ril_init (void *cls)
-{
- struct GNUNET_ATS_PluginEnvironment *env = cls;
- struct GAS_RIL_Handle *solver = GNUNET_new (struct GAS_RIL_Handle);
- struct RIL_Scope * cur;
- int c;
- char *string;
-
- LOG(GNUNET_ERROR_TYPE_DEBUG, "API_init() Initializing RIL solver\n");
-
- GNUNET_assert(NULL != env);
- GNUNET_assert(NULL != env->cfg);
- GNUNET_assert(NULL != env->stats);
- GNUNET_assert(NULL != env->bandwidth_changed_cb);
- GNUNET_assert(NULL != env->get_preferences);
- GNUNET_assert(NULL != env->get_property);
-
- if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_number(env->cfg, "ats", "RIL_RBF_DIVISOR", &solver->parameters.rbf_divisor))
- {
- solver->parameters.rbf_divisor = RIL_DEFAULT_RBF_DIVISOR;
- }
-
- if (GNUNET_OK
- != GNUNET_CONFIGURATION_get_value_time (env->cfg, "ats", "RIL_STEP_TIME_MIN",
- &solver->parameters.step_time_min))
- {
- solver->parameters.step_time_min = RIL_DEFAULT_STEP_TIME_MIN;
- }
-
- if (GNUNET_OK
- != GNUNET_CONFIGURATION_get_value_time (env->cfg, "ats", "RIL_STEP_TIME_MAX",
- &solver->parameters.step_time_max))
- {
- solver->parameters.step_time_max = RIL_DEFAULT_STEP_TIME_MAX;
- }
-
- if (GNUNET_OK == GNUNET_CONFIGURATION_get_value_string (env->cfg, "ats", "RIL_ALGORITHM", &string))
- {
- solver->parameters.algorithm = !strcmp (string, "SARSA") ? RIL_ALGO_SARSA : RIL_ALGO_Q;
- GNUNET_free (string);
- }
- else
- {
- solver->parameters.algorithm = RIL_DEFAULT_ALGORITHM;
- }
-
- if (GNUNET_OK == GNUNET_CONFIGURATION_get_value_string (env->cfg, "ats", "RIL_SELECT", &string))
- {
- solver->parameters.select = !strcmp (string, "EGREEDY") ? RIL_SELECT_EGREEDY : RIL_SELECT_SOFTMAX;
- GNUNET_free (string);
- }
- else
- {
- solver->parameters.select = RIL_DEFAULT_SELECT;
- }
-
- if (GNUNET_OK == GNUNET_CONFIGURATION_get_value_string (env->cfg, "ats", "RIL_DISCOUNT_BETA", &string))
- {
- solver->parameters.beta = strtod (string, NULL);
- GNUNET_free (string);
- if (!(solver->parameters.beta > 0))
- {
- LOG (GNUNET_ERROR_TYPE_WARNING, "RIL_DISCOUNT_BETA not configured as positive number. Set to default value of %f instead.\n", RIL_DEFAULT_DISCOUNT_BETA);
- solver->parameters.beta = RIL_DEFAULT_DISCOUNT_BETA;
- }
- }
- else
- {
- solver->parameters.beta = RIL_DEFAULT_DISCOUNT_BETA;
- }
-
- if (GNUNET_OK == GNUNET_CONFIGURATION_get_value_string (env->cfg, "ats", "RIL_DISCOUNT_GAMMA", &string))
- {
- solver->parameters.gamma = strtod (string, NULL);
- GNUNET_free (string);
- if (!(solver->parameters.gamma < 1) || (solver->parameters.gamma < 0))
- {
- LOG (GNUNET_ERROR_TYPE_WARNING, "RIL_DISCOUNT_GAMMA not configured in range [0,1[. Set to default value of %f instead.\n", RIL_DEFAULT_DISCOUNT_GAMMA);
- solver->parameters.gamma = RIL_DEFAULT_DISCOUNT_GAMMA;
- }
- }
- else
- {
- solver->parameters.gamma = RIL_DEFAULT_DISCOUNT_GAMMA;
- }
-
- if (GNUNET_OK
- == GNUNET_CONFIGURATION_get_value_string (env->cfg, "ats", "RIL_GRADIENT_STEP_SIZE", &string))
- {
- solver->parameters.alpha = strtod (string, NULL);
- GNUNET_free (string);
- if (!(solver->parameters.alpha > 0) || solver->parameters.alpha > 1)
- {
- LOG (GNUNET_ERROR_TYPE_WARNING, "RIL_GRADIENT_STEP_SIZE not configured in range ]0,1]. Set to default value of %f instead.\n", RIL_DEFAULT_GRADIENT_STEP_SIZE);
- solver->parameters.alpha = RIL_DEFAULT_GRADIENT_STEP_SIZE;
- }
- }
- else
- {
- solver->parameters.alpha = RIL_DEFAULT_GRADIENT_STEP_SIZE;
- }
-
- if (GNUNET_OK == GNUNET_CONFIGURATION_get_value_string (env->cfg, "ats", "RIL_TRACE_DECAY", &string))
- {
- solver->parameters.lambda = strtod (string, NULL);
- GNUNET_free (string);
- if (solver->parameters.lambda < 0 || solver->parameters.lambda > 1)
- {
- LOG (GNUNET_ERROR_TYPE_WARNING, "RIL_TRACE_DECAY not configured in range [0,1]. Set to default value of %f instead.\n", RIL_DEFAULT_TRACE_DECAY);
- solver->parameters.lambda = RIL_DEFAULT_TRACE_DECAY;
- }
- }
- else
- {
- solver->parameters.lambda = RIL_DEFAULT_TRACE_DECAY;
- }
-
- if (GNUNET_OK == GNUNET_CONFIGURATION_get_value_string (env->cfg, "ats", "RIL_EXPLORE_RATIO", &string))
- {
- solver->parameters.epsilon_init = strtod (string, NULL);
- GNUNET_free (string);
- if (solver->parameters.epsilon_init < 0 || solver->parameters.epsilon_init > 1)
- {
- LOG (GNUNET_ERROR_TYPE_WARNING, "RIL_EXPLORE_RATIO not configured in range [0,1]. Set to default value of %f instead.\n", RIL_DEFAULT_EXPLORE_RATIO);
- solver->parameters.epsilon_init = RIL_DEFAULT_EXPLORE_RATIO;
- }
- }
- else
- {
- solver->parameters.epsilon_init = RIL_DEFAULT_EXPLORE_RATIO;
- }
-
- if (GNUNET_OK == GNUNET_CONFIGURATION_get_value_string (env->cfg, "ats", "RIL_EXPLORE_DECAY", &string))
- {
- solver->parameters.epsilon_decay = strtod (string, NULL);
- GNUNET_free (string);
- if (solver->parameters.epsilon_decay < 0 || solver->parameters.epsilon_decay > 1)
- {
- LOG (GNUNET_ERROR_TYPE_WARNING, "RIL_EXPLORE_RATIO not configured in range [0,1]. Set to default value of %f instead.\n", RIL_DEFAULT_EXPLORE_DECAY);
- solver->parameters.epsilon_decay = RIL_DEFAULT_EXPLORE_DECAY;
- }
- }
- else
- {
- solver->parameters.epsilon_decay = RIL_DEFAULT_EXPLORE_DECAY;
- }
-
- if (GNUNET_OK == GNUNET_CONFIGURATION_get_value_string (env->cfg, "ats", "RIL_TEMPERATURE", &string))
- {
- solver->parameters.temperature_init = strtod (string, NULL);
- GNUNET_free (string);
- if (solver->parameters.temperature_init <= 0)
- {
- LOG (GNUNET_ERROR_TYPE_WARNING, "RIL_TEMPERATURE not positive. Set to default value of %f instead.\n", RIL_DEFAULT_TEMPERATURE);
- solver->parameters.temperature_init = RIL_DEFAULT_TEMPERATURE;
- }
- }
- else
- {
- solver->parameters.temperature_init = RIL_DEFAULT_TEMPERATURE;
- }
-
- if (GNUNET_OK == GNUNET_CONFIGURATION_get_value_string (env->cfg, "ats", "RIL_TEMPERATURE_DECAY", &string))
- {
- solver->parameters.temperature_decay = strtod (string, NULL);
- GNUNET_free (string);
- if (solver->parameters.temperature_decay <= 0 || solver->parameters.temperature_decay > 1)
- {
- LOG (GNUNET_ERROR_TYPE_WARNING, "RIL_TEMPERATURE_DECAY not in range [0,1]. Set to default value of %f instead.\n", RIL_DEFAULT_TEMPERATURE_DECAY);
- solver->parameters.temperature_decay = RIL_DEFAULT_TEMPERATURE_DECAY;
- }
- }
- else
- {
- solver->parameters.temperature_decay = RIL_DEFAULT_TEMPERATURE_DECAY;
- }
-
- if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_number (env->cfg, "ats", "RIL_SIMULATE", &solver->simulate))
- {
- solver->simulate = GNUNET_NO;
- }
-
- if (GNUNET_YES == GNUNET_CONFIGURATION_get_value_yesno(env->cfg, "ats", "RIL_REPLACE_TRACES"))
- {
- solver->parameters.eligibility_trace_mode = RIL_E_REPLACE;
- }
- else
- {
- solver->parameters.eligibility_trace_mode = RIL_E_ACCUMULATE;
- }
-
- if (GNUNET_OK == GNUNET_CONFIGURATION_get_value_string (env->cfg, "ats", "RIL_SOCIAL_WELFARE", &string))
- {
- solver->parameters.social_welfare = !strcmp (string, "NASH") ? RIL_WELFARE_NASH : RIL_WELFARE_EGALITARIAN;
- GNUNET_free (string);
- }
- else
- {
- solver->parameters.social_welfare = RIL_DEFAULT_WELFARE;
- }
-
- env->sf.s_add = &GAS_ril_address_add;
- env->sf.s_address_update_property = &GAS_ril_address_property_changed;
- env->sf.s_address_update_session = &GAS_ril_address_session_changed;
- env->sf.s_address_update_inuse = &GAS_ril_address_inuse_changed;
- env->sf.s_address_update_network = &GAS_ril_address_change_network;
- env->sf.s_get = &GAS_ril_get_preferred_address;
- env->sf.s_get_stop = &GAS_ril_stop_get_preferred_address;
- env->sf.s_pref = &GAS_ril_address_change_preference;
- env->sf.s_feedback = &GAS_ril_address_preference_feedback;
- env->sf.s_del = &GAS_ril_address_delete;
- env->sf.s_bulk_start = &GAS_ril_bulk_start;
- env->sf.s_bulk_stop = &GAS_ril_bulk_stop;
-
- solver->plugin_envi = env;
- solver->networks_count = env->network_count;
- solver->network_entries = GNUNET_malloc (env->network_count * sizeof (struct RIL_Scope));
- solver->step_count = 0;
- solver->done = GNUNET_NO;
-
- for (c = 0; c < env->network_count; c++)
- {
- cur = &solver->network_entries[c];
- cur->type = env->networks[c];
- cur->bw_in_available = env->in_quota[c];
- cur->bw_out_available = env->out_quota[c];
- LOG(GNUNET_ERROR_TYPE_DEBUG, "init() Quotas for %s network: IN %llu - OUT %llu\n", GNUNET_ATS_print_network_type(cur->type), cur->bw_in_available/1024, cur->bw_out_available/1024);
- }
-
- LOG(GNUNET_ERROR_TYPE_DEBUG, "init() Parameters:\n");
- LOG(GNUNET_ERROR_TYPE_DEBUG, "init() Algorithm = %s, alpha = %f, beta = %f, lambda = %f\n",
- solver->parameters.algorithm ? "Q" : "SARSA",
- solver->parameters.alpha,
- solver->parameters.beta,
- solver->parameters.lambda);
- LOG(GNUNET_ERROR_TYPE_DEBUG, "init() exploration_ratio = %f, temperature = %f, ActionSelection = %s\n",
- solver->parameters.epsilon,
- solver->parameters.temperature,
- solver->parameters.select ? "EGREEDY" : "SOFTMAX");
- LOG(GNUNET_ERROR_TYPE_DEBUG, "init() RBF_DIVISOR = %llu\n",
- solver->parameters.rbf_divisor);
-
- return solver;
-}
-
-/**
- * Exit point for the plugin
- *
- * @param cls the solver handle
- */
-void *
-libgnunet_plugin_ats_ril_done (void *cls)
-{
- struct GAS_RIL_Handle *s = cls;
- struct RIL_Peer_Agent *cur_agent;
- struct RIL_Peer_Agent *next_agent;
-
- LOG(GNUNET_ERROR_TYPE_DEBUG, "API_done() Shutting down RIL solver\n");
-
- s->done = GNUNET_YES;
-
- cur_agent = s->agents_head;
- while (NULL != cur_agent)
- {
- next_agent = cur_agent->next;
- GNUNET_CONTAINER_DLL_remove(s->agents_head, s->agents_tail, cur_agent);
- agent_die (s, cur_agent);
- cur_agent = next_agent;
- }
-
- if (GNUNET_SCHEDULER_NO_TASK != s->step_next_task_id)
- {
- GNUNET_SCHEDULER_cancel (s->step_next_task_id);
- }
- GNUNET_free(s->network_entries);
- GNUNET_free(s);
-
- return NULL;
-}
/**
* Add a new address for a peer to the solver
* @param address the address to add
* @param network network type of this address
*/
-void
-GAS_ril_address_add (void *solver, struct ATS_Address *address, uint32_t network)
+static void
+GAS_ril_address_add (void *solver,
+ struct ATS_Address *address,
+ uint32_t network)
{
struct GAS_RIL_Handle *s = solver;
struct RIL_Peer_Agent *agent;
int i;
unsigned int zero;
- LOG (GNUNET_ERROR_TYPE_DEBUG, "API_address_add()\n");
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "API_address_add()\n");
net = ril_get_network (s, network);
address->solver_information = net;
*
* @param solver the solver handle
* @param address the address to remove
- * @param session_only delete only session not whole address
*/
-void
-GAS_ril_address_delete (void *solver, struct ATS_Address *address, int session_only)
+static void
+GAS_ril_address_delete (void *solver,
+ struct ATS_Address *address)
{
struct GAS_RIL_Handle *s = solver;
struct RIL_Peer_Agent *agent;
struct RIL_Address_Wrapped *address_wrapped;
- int address_was_used = address->active;
int address_index;
unsigned int m_new;
unsigned int n_new;
int i;
struct RIL_Scope *net;
- LOG(GNUNET_ERROR_TYPE_DEBUG, "API_address_delete() Delete %s%s %s address %s for peer '%s'\n",
- session_only ? "session for " : "", address->active ? "active" : "inactive", address->plugin,
- address->addr, GNUNET_i2s (&address->peer));
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "API_address_delete() Delete %s %s address %s for peer '%s'\n",
+ address->active ? "active" : "inactive",
+ address->plugin,
+ address->addr,
+ GNUNET_i2s (&address->peer));
agent = ril_get_agent (s, &address->peer, GNUNET_NO);
if (NULL == agent)
{
net = address->solver_information;
- GNUNET_assert(!ril_network_is_active (s, net->type));
- LOG(GNUNET_ERROR_TYPE_DEBUG,
- "No agent allocated for peer yet, since address was in inactive network\n");
+ GNUNET_assert(! ril_network_is_active (s, net->type));
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "No agent allocated for peer yet, since address was in inactive network\n");
return;
}
if (NULL == address_wrapped)
{
net = address->solver_information;
- LOG(GNUNET_ERROR_TYPE_DEBUG,
- "Address not considered by agent, address was in inactive network\n");
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "Address not considered by agent, address was in inactive network\n");
return;
}
-
- GNUNET_CONTAINER_DLL_remove(agent->addresses_head, agent->addresses_tail, address_wrapped);
- GNUNET_free(address_wrapped);
+ GNUNET_CONTAINER_DLL_remove (agent->addresses_head,
+ agent->addresses_tail,
+ address_wrapped);
+ GNUNET_free (address_wrapped);
//decrease W
m_new = agent->m - ((s->parameters.rbf_divisor+1) * (s->parameters.rbf_divisor+1));
}
//decrease old state vector
ril_cut_from_vector ((void **) &agent->s_old, sizeof(double),
- address_index * ((s->parameters.rbf_divisor+1) * (s->parameters.rbf_divisor+1)),
- ((s->parameters.rbf_divisor+1) * (s->parameters.rbf_divisor+1)), agent->m);
+ address_index * ((s->parameters.rbf_divisor+1) * (s->parameters.rbf_divisor+1)),
+ ((s->parameters.rbf_divisor+1) * (s->parameters.rbf_divisor+1)), agent->m);
agent->m = m_new;
agent->n = n_new;
- if (address_was_used)
+ if (agent->address_inuse == address)
{
if (NULL != agent->addresses_head) //if peer has an address left, use it
{
- envi_set_active_suggestion (s, agent, agent->addresses_head->address_naked, agent->bw_in, agent->bw_out,
- GNUNET_YES);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Active address died, suggesting alternative!\n");
+ envi_set_active_suggestion (s,
+ agent,
+ agent->addresses_head->address_naked,
+ agent->bw_in,
+ agent->bw_out,
+ GNUNET_YES);
}
else
{
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Active address died, suggesting disconnect!\n");
envi_set_active_suggestion (s, agent, NULL, 0, 0, GNUNET_NO);
}
}
-
ril_step (solver);
+ if (agent->suggestion_address == address)
+ {
+ agent->suggestion_issue = GNUNET_NO;
+ agent->suggestion_address = NULL;
+ }
+ GNUNET_assert (agent->address_inuse != address);
}
+
/**
* Update the properties of an address in the solver
*
* @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
*/
-void
+static void
GAS_ril_address_property_changed (void *solver,
- struct ATS_Address *address,
- uint32_t type,
- uint32_t abs_value,
- double rel_value)
+ struct ATS_Address *address)
{
- LOG(GNUNET_ERROR_TYPE_DEBUG,
- "API_address_property_changed() Property '%s' for peer '%s' address %s changed "
- "to %.2f \n", GNUNET_ATS_print_property_type (type), GNUNET_i2s (&address->peer),
- address->addr, rel_value);
-
struct GAS_RIL_Handle *s = solver;
+ LOG(GNUNET_ERROR_TYPE_DEBUG,
+ "Properties for peer '%s' address changed\n",
+ GNUNET_i2s (&address->peer));
s->parameters.temperature = s->parameters.temperature_init;
s->parameters.epsilon = s->parameters.epsilon_init;
ril_step (s);
}
+
/**
- * Update the session of an address in the solver
- *
- * NOTE: values in addresses are already updated
- *
- * @param solver solver handle
- * @param address the address
- * @param cur_session the current session
- * @param new_session the new session
- */
-void
-GAS_ril_address_session_changed (void *solver,
- struct ATS_Address *address,
- uint32_t cur_session,
- uint32_t new_session)
-{
- LOG(GNUNET_ERROR_TYPE_DEBUG, "API_address_session_changed()\n");
-}
-
-/**
- * Notify the solver that an address is (not) actively used by transport
- * to communicate with a remote peer
- *
- * NOTE: values in addresses are already updated
- *
- * @param solver solver handle
- * @param address the address
- * @param in_use usage state
- */
-void
-GAS_ril_address_inuse_changed (void *solver, struct ATS_Address *address, int in_use)
-{
- LOG(GNUNET_ERROR_TYPE_DEBUG,
- "API_address_inuse_changed() Usage for %s address of peer '%s' changed to %s\n",
- address->plugin, GNUNET_i2s (&address->peer), (GNUNET_YES == in_use) ? "USED" : "UNUSED");
-}
-
-/**
- * Notify solver that the network an address is located in has changed
- *
- * NOTE: values in addresses are already updated
- *
- * @param solver solver handle
- * @param address the address
- * @param current_network the current network
- * @param new_network the new network
- */
-void
-GAS_ril_address_change_network (void *solver,
- struct ATS_Address *address,
- uint32_t current_network,
- uint32_t new_network)
-{
- struct GAS_RIL_Handle *s = solver;
- struct RIL_Peer_Agent *agent;
-
- LOG(GNUNET_ERROR_TYPE_DEBUG, "API_address_change_network() Network type changed, moving "
- "%s address of peer %s from '%s' to '%s'\n",
- (GNUNET_YES == address->active) ? "active" : "inactive", GNUNET_i2s (&address->peer),
- GNUNET_ATS_print_network_type (current_network), GNUNET_ATS_print_network_type (new_network));
-
- s->parameters.temperature = s->parameters.temperature_init;
- s->parameters.epsilon = s->parameters.epsilon_init;
-
- if (address->active && !ril_network_is_active (solver, new_network))
- {
- GAS_ril_address_delete (solver, address, GNUNET_NO);
- return;
- }
-
- agent = ril_get_agent (s, &address->peer, GNUNET_NO);
- if (NULL == agent)
- {
- GNUNET_assert(!ril_network_is_active (solver, current_network));
-
- GAS_ril_address_add (s, address, new_network);
- return;
- }
-
- address->solver_information = ril_get_network(solver, new_network);
-}
-
-/**
- * Give feedback about the current assignment
+ * Give feedback about the current assignment
*
* @param solver the solver handle
* @param application the application
* @param kind the kind to change the preference
* @param score the score
*/
-void
+static void
GAS_ril_address_preference_feedback (void *solver,
- void *application,
- const struct GNUNET_PeerIdentity *peer,
- const struct GNUNET_TIME_Relative scope,
- enum GNUNET_ATS_PreferenceKind kind,
- double score)
-{
- LOG(GNUNET_ERROR_TYPE_DEBUG,
- "API_address_preference_feedback() Peer '%s' got a feedback of %+.3f from application %s for "
- "preference %s for %d seconds\n", GNUNET_i2s (peer), "UNKNOWN",
- GNUNET_ATS_print_preference_type (kind), scope.rel_value_us / 1000000);
+ struct GNUNET_SERVICE_Client *application,
+ const struct GNUNET_PeerIdentity *peer,
+ const struct GNUNET_TIME_Relative scope,
+ enum GNUNET_ATS_PreferenceKind kind,
+ double score)
+{
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "API_address_preference_feedback() Peer '%s' got a feedback of %+.3f from application %s for "
+ "preference %s for %d seconds\n",
+ GNUNET_i2s (peer),
+ "UNKNOWN",
+ GNUNET_ATS_print_preference_type (kind),
+ scope.rel_value_us / 1000000);
}
+
/**
* Start a bulk operation
*
* @param solver the solver
*/
-void
+static void
GAS_ril_bulk_start (void *solver)
{
struct GAS_RIL_Handle *s = solver;
- LOG(GNUNET_ERROR_TYPE_DEBUG, "API_bulk_start() lock: %d\n", s->bulk_lock+1);
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "API_bulk_start() lock: %d\n", s->bulk_lock+1);
s->bulk_lock++;
}
+
/**
* Bulk operation done
*
* @param solver the solver handle
*/
-void
+static void
GAS_ril_bulk_stop (void *solver)
{
struct GAS_RIL_Handle *s = solver;
- LOG(GNUNET_ERROR_TYPE_DEBUG, "API_bulk_stop() lock: %d\n", s->bulk_lock-1);
+ LOG(GNUNET_ERROR_TYPE_DEBUG,
+ "API_bulk_stop() lock: %d\n",
+ s->bulk_lock - 1);
if (s->bulk_lock < 1)
{
}
}
+
/**
* Tell solver to notify ATS if the address to use changes for a specific
* peer using the bandwidth changed callback
* @param solver the solver handle
* @param peer the identity of the peer
*/
-const struct ATS_Address *
-GAS_ril_get_preferred_address (void *solver, const struct GNUNET_PeerIdentity *peer)
+static void
+GAS_ril_get_preferred_address (void *solver,
+ const struct GNUNET_PeerIdentity *peer)
{
struct GAS_RIL_Handle *s = solver;
struct RIL_Peer_Agent *agent;
s->parameters.temperature = s->parameters.temperature_init;
s->parameters.epsilon = s->parameters.epsilon_init;
}
- return agent->address_inuse;
+ if (NULL != agent->address_inuse)
+ s->env->bandwidth_changed_cb (s->env->cls,
+ agent->address_inuse);
}
+
/**
* Tell solver stop notifying ATS about changes for this peers
*
* @param solver the solver handle
* @param peer the peer
*/
-void
-GAS_ril_stop_get_preferred_address (void *solver, const struct GNUNET_PeerIdentity *peer)
+static void
+GAS_ril_stop_get_preferred_address (void *solver,
+ const struct GNUNET_PeerIdentity *peer)
{
struct GAS_RIL_Handle *s = solver;
struct RIL_Peer_Agent *agent;
- LOG(GNUNET_ERROR_TYPE_DEBUG, "API_stop_get_preferred_address()");
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "API_stop_get_preferred_address()");
agent = ril_get_agent (s, peer, GNUNET_NO);
ril_step (s);
LOG(GNUNET_ERROR_TYPE_DEBUG,
- "API_stop_get_preferred_address() Paused agent for peer '%s' with %s address\n",
- GNUNET_i2s (peer), agent->address_inuse->plugin);
+ "API_stop_get_preferred_address() Paused agent for peer '%s'\n",
+ GNUNET_i2s (peer));
}
+
+/**
+ * Entry point for the plugin
+ *
+ * @param cls pointer to the 'struct GNUNET_ATS_PluginEnvironment'
+ */
+void *
+libgnunet_plugin_ats_ril_init (void *cls)
+{
+ static struct GNUNET_ATS_SolverFunctions sf;
+ struct GNUNET_ATS_PluginEnvironment *env = cls;
+ struct GAS_RIL_Handle *solver = GNUNET_new (struct GAS_RIL_Handle);
+ struct RIL_Scope * cur;
+ int c;
+ char *string;
+ float f_tmp;
+
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "API_init() Initializing RIL solver\n");
+
+ GNUNET_assert (NULL != env);
+ GNUNET_assert (NULL != env->cfg);
+ GNUNET_assert (NULL != env->stats);
+ GNUNET_assert (NULL != env->bandwidth_changed_cb);
+ GNUNET_assert (NULL != env->get_preferences);
+
+ if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_number(env->cfg, "ats", "RIL_RBF_DIVISOR", &solver->parameters.rbf_divisor))
+ {
+ solver->parameters.rbf_divisor = RIL_DEFAULT_RBF_DIVISOR;
+ }
+
+ if (GNUNET_OK
+ != GNUNET_CONFIGURATION_get_value_time (env->cfg, "ats", "RIL_STEP_TIME_MIN",
+ &solver->parameters.step_time_min))
+ {
+ solver->parameters.step_time_min = RIL_DEFAULT_STEP_TIME_MIN;
+ }
+
+ if (GNUNET_OK
+ != GNUNET_CONFIGURATION_get_value_time (env->cfg, "ats", "RIL_STEP_TIME_MAX",
+ &solver->parameters.step_time_max))
+ {
+ solver->parameters.step_time_max = RIL_DEFAULT_STEP_TIME_MAX;
+ }
+
+ if (GNUNET_OK == GNUNET_CONFIGURATION_get_value_string (env->cfg, "ats", "RIL_ALGORITHM", &string))
+ {
+ GNUNET_STRINGS_utf8_toupper (string, string);
+ if (0 == strcmp (string, "SARSA"))
+ {
+ solver->parameters.algorithm = RIL_ALGO_SARSA;
+ }
+ if (0 == strcmp (string, "Q-LEARNING"))
+ {
+ solver->parameters.algorithm = RIL_ALGO_Q;
+ }
+
+ GNUNET_free (string);
+ }
+ else
+ {
+ solver->parameters.algorithm = RIL_DEFAULT_ALGORITHM;
+ }
+
+ if (GNUNET_OK == GNUNET_CONFIGURATION_get_value_string (env->cfg, "ats", "RIL_SELECT", &string))
+ {
+ solver->parameters.select = !strcmp (string, "EGREEDY") ? RIL_SELECT_EGREEDY : RIL_SELECT_SOFTMAX;
+ GNUNET_free (string);
+ }
+ else
+ {
+ solver->parameters.select = RIL_DEFAULT_SELECT;
+ }
+
+
+ solver->parameters.beta = RIL_DEFAULT_DISCOUNT_BETA;
+ if (GNUNET_SYSERR != GNUNET_CONFIGURATION_get_value_float (env->cfg, "ats",
+ "RIL_DISCOUNT_BETA", &f_tmp))
+ {
+ if (f_tmp < 0.0)
+ {
+ LOG (GNUNET_ERROR_TYPE_ERROR, _("Invalid %s configuration %f \n"),
+ "RIL_DISCOUNT_BETA", f_tmp);
+ }
+ else
+ {
+ solver->parameters.beta = f_tmp;
+ LOG (GNUNET_ERROR_TYPE_INFO, "Using %s of %.3f\n",
+ "RIL_DISCOUNT_BETA", f_tmp);
+ }
+ }
+
+ solver->parameters.gamma = RIL_DEFAULT_DISCOUNT_GAMMA;
+ if (GNUNET_SYSERR != GNUNET_CONFIGURATION_get_value_float (env->cfg, "ats",
+ "RIL_DISCOUNT_GAMMA", &f_tmp))
+ {
+ if ((f_tmp < 0.0) || (f_tmp > 1.0))
+ {
+ LOG (GNUNET_ERROR_TYPE_ERROR, _("Invalid %s configuration %f \n"),
+ "RIL_DISCOUNT_GAMMA", f_tmp);
+ }
+ else
+ {
+ solver->parameters.gamma = f_tmp;
+ LOG (GNUNET_ERROR_TYPE_INFO, "Using %s of %.3f\n",
+ "RIL_DISCOUNT_GAMMA", f_tmp);
+ }
+ }
+
+ solver->parameters.alpha = RIL_DEFAULT_GRADIENT_STEP_SIZE;
+ if (GNUNET_SYSERR != GNUNET_CONFIGURATION_get_value_float (env->cfg, "ats",
+ "RIL_GRADIENT_STEP_SIZE", &f_tmp))
+ {
+ if ((f_tmp < 0.0) || (f_tmp > 1.0))
+ {
+ LOG (GNUNET_ERROR_TYPE_ERROR, _("Invalid %s configuration %f \n"),
+ "RIL_GRADIENT_STEP_SIZE", f_tmp);
+ }
+ else
+ {
+ solver->parameters.alpha = f_tmp;
+ LOG (GNUNET_ERROR_TYPE_INFO, "Using %s of %.3f\n",
+ "RIL_GRADIENT_STEP_SIZE", f_tmp);
+ }
+ }
+
+ solver->parameters.lambda = RIL_DEFAULT_TRACE_DECAY;
+ if (GNUNET_SYSERR != GNUNET_CONFIGURATION_get_value_float (env->cfg, "ats",
+ "RIL_TRACE_DECAY", &f_tmp))
+ {
+ if ((f_tmp < 0.0) || (f_tmp > 1.0))
+ {
+ LOG (GNUNET_ERROR_TYPE_ERROR, _("Invalid %s configuration %f \n"),
+ "RIL_TRACE_DECAY", f_tmp);
+ }
+ else
+ {
+ solver->parameters.lambda = f_tmp;
+ LOG (GNUNET_ERROR_TYPE_INFO, "Using %s of %.3f\n",
+ "RIL_TRACE_DECAY", f_tmp);
+ }
+ }
+
+ solver->parameters.epsilon_init = RIL_DEFAULT_EXPLORE_RATIO;
+ if (GNUNET_SYSERR != GNUNET_CONFIGURATION_get_value_float (env->cfg, "ats",
+ "RIL_EXPLORE_RATIO", &f_tmp))
+ {
+ if ((f_tmp < 0.0) || (f_tmp > 1.0))
+ {
+ LOG (GNUNET_ERROR_TYPE_ERROR, _("Invalid %s configuration %f \n"),
+ "RIL_EXPLORE_RATIO", f_tmp);
+ }
+ else
+ {
+ solver->parameters.epsilon_init = f_tmp;
+ LOG (GNUNET_ERROR_TYPE_INFO, "Using %s of %.3f\n",
+ "RIL_EXPLORE_RATIO", f_tmp);
+ }
+ }
+
+ solver->parameters.epsilon_decay = RIL_DEFAULT_EXPLORE_DECAY;
+ if (GNUNET_SYSERR != GNUNET_CONFIGURATION_get_value_float (env->cfg, "ats",
+ "RIL_EXPLORE_DECAY", &f_tmp))
+ {
+ if ((f_tmp < 0.0) || (f_tmp > 1.0))
+ {
+ LOG (GNUNET_ERROR_TYPE_ERROR, _("Invalid %s configuration %f \n"),
+ "RIL_EXPLORE_DECAY", f_tmp);
+ }
+ else
+ {
+ solver->parameters.epsilon_decay = f_tmp;
+ LOG (GNUNET_ERROR_TYPE_INFO, "Using %s of %.3f\n",
+ "RIL_EXPLORE_DECAY", f_tmp);
+ }
+ }
+
+ solver->parameters.temperature_init = RIL_DEFAULT_TEMPERATURE;
+ if (GNUNET_SYSERR != GNUNET_CONFIGURATION_get_value_float (env->cfg, "ats",
+ "RIL_TEMPERATURE", &f_tmp))
+ {
+ if (f_tmp <= 0.0)
+ {
+ LOG (GNUNET_ERROR_TYPE_ERROR, _("Invalid %s configuration %f \n"),
+ "RIL_TEMPERATURE", f_tmp);
+ }
+ else
+ {
+ solver->parameters.temperature_init = f_tmp;
+ LOG (GNUNET_ERROR_TYPE_INFO, "Using %s of %.3f\n",
+ "RIL_TEMPERATURE", f_tmp);
+ }
+ }
+
+ solver->parameters.temperature_decay = RIL_DEFAULT_TEMPERATURE_DECAY;
+ if (GNUNET_SYSERR != GNUNET_CONFIGURATION_get_value_float (env->cfg, "ats",
+ "RIL_TEMPERATURE_DECAY", &f_tmp))
+ {
+ if ((f_tmp <= 0.0) || solver->parameters.temperature_decay > 1)
+ {
+ LOG (GNUNET_ERROR_TYPE_ERROR, _("Invalid %s configuration %f \n"),
+ "RIL_TEMPERATURE_DECAY", f_tmp);
+ }
+ else
+ {
+ solver->parameters.temperature_decay = f_tmp;
+ LOG (GNUNET_ERROR_TYPE_INFO, "Using %s of %.3f\n",
+ "RIL_TEMPERATURE_DECAY", f_tmp);
+ }
+ }
+
+ if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_number (env->cfg, "ats", "RIL_SIMULATE", &solver->simulate))
+ {
+ solver->simulate = GNUNET_NO;
+ }
+
+ if (GNUNET_YES == GNUNET_CONFIGURATION_get_value_yesno(env->cfg, "ats", "RIL_REPLACE_TRACES"))
+ {
+ solver->parameters.eligibility_trace_mode = RIL_E_REPLACE;
+ }
+ else
+ {
+ solver->parameters.eligibility_trace_mode = RIL_E_ACCUMULATE;
+ }
+
+ if (GNUNET_OK == GNUNET_CONFIGURATION_get_value_string (env->cfg, "ats", "RIL_SOCIAL_WELFARE", &string))
+ {
+ solver->parameters.social_welfare = !strcmp (string, "NASH") ? RIL_WELFARE_NASH : RIL_WELFARE_EGALITARIAN;
+ GNUNET_free (string);
+ }
+ else
+ {
+ solver->parameters.social_welfare = RIL_DEFAULT_WELFARE;
+ }
+
+ solver->env = env;
+ sf.cls = solver;
+ sf.s_add = &GAS_ril_address_add;
+ sf.s_address_update_property = &GAS_ril_address_property_changed;
+ sf.s_get = &GAS_ril_get_preferred_address;
+ sf.s_get_stop = &GAS_ril_stop_get_preferred_address;
+ sf.s_pref = &GAS_ril_address_change_preference;
+ sf.s_feedback = &GAS_ril_address_preference_feedback;
+ sf.s_del = &GAS_ril_address_delete;
+ sf.s_bulk_start = &GAS_ril_bulk_start;
+ sf.s_bulk_stop = &GAS_ril_bulk_stop;
+
+ solver->networks_count = env->network_count;
+ solver->network_entries = GNUNET_malloc (env->network_count * sizeof (struct RIL_Scope));
+ solver->step_count = 0;
+ solver->done = GNUNET_NO;
+
+ for (c = 0; c < env->network_count; c++)
+ {
+ cur = &solver->network_entries[c];
+ cur->type = c;
+ cur->bw_in_available = env->in_quota[c];
+ cur->bw_out_available = env->out_quota[c];
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "init() Quotas for %s network: IN %llu - OUT %llu\n",
+ GNUNET_NT_to_string(cur->type),
+ cur->bw_in_available/1024,
+ cur->bw_out_available/1024);
+ }
+
+ LOG(GNUNET_ERROR_TYPE_DEBUG, "init() Parameters:\n");
+ LOG(GNUNET_ERROR_TYPE_DEBUG, "init() Algorithm = %s, alpha = %f, beta = %f, lambda = %f\n",
+ solver->parameters.algorithm ? "Q" : "SARSA",
+ solver->parameters.alpha,
+ solver->parameters.beta,
+ solver->parameters.lambda);
+ LOG(GNUNET_ERROR_TYPE_DEBUG, "init() exploration_ratio = %f, temperature = %f, ActionSelection = %s\n",
+ solver->parameters.epsilon,
+ solver->parameters.temperature,
+ solver->parameters.select ? "EGREEDY" : "SOFTMAX");
+ LOG(GNUNET_ERROR_TYPE_DEBUG, "init() RBF_DIVISOR = %llu\n",
+ solver->parameters.rbf_divisor);
+
+ return &sf;
+}
+
+
+/**
+ * Exit point for the plugin
+ *
+ * @param cls the solver handle
+ */
+void *
+libgnunet_plugin_ats_ril_done (void *cls)
+{
+ struct GNUNET_ATS_SolverFunctions *sf = cls;
+ struct GAS_RIL_Handle *s = sf->cls;
+ struct RIL_Peer_Agent *cur_agent;
+ struct RIL_Peer_Agent *next_agent;
+
+ LOG(GNUNET_ERROR_TYPE_DEBUG, "API_done() Shutting down RIL solver\n");
+
+ s->done = GNUNET_YES;
+
+ cur_agent = s->agents_head;
+ while (NULL != cur_agent)
+ {
+ next_agent = cur_agent->next;
+ GNUNET_CONTAINER_DLL_remove(s->agents_head, s->agents_tail, cur_agent);
+ agent_die (s, cur_agent);
+ cur_agent = next_agent;
+ }
+
+ if (NULL != s->step_next_task_id)
+ {
+ GNUNET_SCHEDULER_cancel (s->step_next_task_id);
+ }
+ GNUNET_free(s->network_entries);
+ GNUNET_free(s);
+
+ return NULL;
+}
+
+
/* end of plugin_ats_ril.c */
projects / oweals / gnunet.git / blobdiff