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authorFabian Oehlmann <oehlmann@in.tum.de>2013-09-26 18:46:51 +0000
committerFabian Oehlmann <oehlmann@in.tum.de>2013-09-26 18:46:51 +0000
commitd79a03493ba5d0581e828724a402a2054429e7be (patch)
tree08e4bebcfb18e4997600e69f3219ee3ce0f35168
parentdfd948d2cc5e313dd4cd34559c923241ac211572 (diff)
ats_ril: address administration changed
-rwxr-xr-xsrc/ats/gnunet-service-ats-solver_ril.c648
1 files changed, 337 insertions, 311 deletions
diff --git a/src/ats/gnunet-service-ats-solver_ril.c b/src/ats/gnunet-service-ats-solver_ril.c
index 9aecd1747..c80b85604 100755
--- a/src/ats/gnunet-service-ats-solver_ril.c
+++ b/src/ats/gnunet-service-ats-solver_ril.c
@@ -30,6 +30,8 @@
#include "gnunet-service-ats_addresses.h"
#include "gnunet_statistics_service.h"
+#define LOG(kind,...) GNUNET_log_from (kind, "ats-ril",__VA_ARGS__)
+
#define RIL_DEFAULT_STEP_TIME GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MILLISECONDS, 3000)
#define RIL_DEFAULT_ALGORITHM RIL_ALGO_Q
#define RIL_DEFAULT_DISCOUNT_FACTOR 0.5
@@ -43,6 +45,11 @@
* General description
*/
+/**
+ * TODO! implement address administration
+ * TODO! implement reward calculation 1 and 2 (i.e. meeting preferences and taking scores)
+ */
+
enum RIL_Action_Type
{
RIL_ACTION_NOTHING = 0,
@@ -60,12 +67,16 @@ enum RIL_Action_Type
enum RIL_Algorithm
{
- RIL_ALGO_SARSA = 0, RIL_ALGO_Q = 1
+ RIL_ALGO_SARSA = 0,
+ RIL_ALGO_Q = 1
};
enum RIL_E_Modification
{
- RIL_E_SET, RIL_E_ZERO, RIL_E_ACCUMULATE, RIL_E_REPLACE
+ RIL_E_SET,
+ RIL_E_ZERO,
+ RIL_E_ACCUMULATE,
+ RIL_E_REPLACE
};
/**
@@ -94,6 +105,27 @@ struct RIL_Learning_Parameters
float lambda;
};
+/**
+ * Wrapper for addresses to store them in agent's linked list
+ */
+struct RIL_Address_Wrapped
+{
+ /**
+ * Next in DLL
+ */
+ struct RIL_Address_Wrapped *next;
+
+ /**
+ * Previous in DLL
+ */
+ struct RIL_Address_Wrapped *prev;
+
+ /**
+ * The address
+ */
+ struct ATS_Address *address_naked;
+};
+
struct RIL_Peer_Agent
{
/**
@@ -134,12 +166,12 @@ struct RIL_Peer_Agent
/**
* Number of rows of W / Number of state-vector features
*/
- int m;
+ unsigned int m;
/**
* Number of columns of W / Number of actions
*/
- int n;
+ unsigned int n;
/**
* Last perceived state feature vector
@@ -159,7 +191,17 @@ struct RIL_Peer_Agent
/**
* Address in use
*/
- struct ATS_Address * address;
+ struct ATS_Address * address_inuse;
+
+ /**
+ * Head of addresses DLL
+ */
+ struct RIL_Address_Wrapped * addresses_head;
+
+ /**
+ * Tail of addresses DLL
+ */
+ struct RIL_Address_Wrapped * addresses_tail;
/**
* Inbound bandwidth assigned by the agent
@@ -338,20 +380,55 @@ agent_decide_exploration (struct RIL_Peer_Agent *agent)
double r = (double) GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK,
UINT32_MAX) / (double) UINT32_MAX;
- if (r < RIL_EXPLORE_RATIO)
+if (r < RIL_EXPLORE_RATIO)
{
return GNUNET_YES;
}
return GNUNET_NO;
}
-/**
- * Gets the action, with the maximal estimated Q-value (i.e. the one currently estimated to bring the
- * most reward in the future)
- * @param agent agent performing the calculation
- * @param state the state from which to take the action
- * @return the action promising most future reward
- */
+static int
+agent_address_get_index (struct RIL_Peer_Agent *agent, struct ATS_Address *address)
+{
+ int i;
+ struct RIL_Address_Wrapped *cur;
+
+ i = 0;
+ for (cur = agent->addresses_head; NULL != cur; cur = cur->next)
+ {
+ if (cur->address_naked == address)
+ {
+ return i;
+ }
+ i++;
+ }
+
+ return -1;
+}
+
+static struct RIL_Address_Wrapped *
+agent_address_get (struct RIL_Peer_Agent *agent, struct ATS_Address *address)
+{
+ struct RIL_Address_Wrapped *cur;
+
+ for (cur = agent->addresses_head; NULL != cur; cur = cur->next)
+ {
+ if (cur->address_naked == address)
+ {
+ return cur;
+ }
+ }
+
+ return NULL;
+}
+
+ /**
+ * Gets the action, with the maximal estimated Q-value (i.e. the one currently estimated to bring the
+ * most reward in the future)
+ * @param agent agent performing the calculation
+ * @param state the state from which to take the action
+ * @return the action promising most future reward
+ */
static int
agent_get_action_best (struct RIL_Peer_Agent *agent, double *state)
{
@@ -395,10 +472,7 @@ agent_get_action_explore (struct RIL_Peer_Agent *agent, double *state)
* @param a_prime the new
*/
static void
-agent_update_weights (struct RIL_Peer_Agent *agent,
- double reward,
- double *s_next,
- int a_prime)
+agent_update_weights (struct RIL_Peer_Agent *agent, double reward, double *s_next, int a_prime)
{
int i;
double delta;
@@ -422,8 +496,7 @@ agent_update_weights (struct RIL_Peer_Agent *agent,
* @param mod
*/
static void
-agent_modify_eligibility (struct RIL_Peer_Agent *agent,
- enum RIL_E_Modification mod)
+agent_modify_eligibility (struct RIL_Peer_Agent *agent, enum RIL_E_Modification mod)
{
int i;
double *e = agent->e;
@@ -451,7 +524,7 @@ agent_modify_eligibility (struct RIL_Peer_Agent *agent,
}
static void
-envi_change_active_address (struct GAS_RIL_Handle *solver,
+envi_set_active_suggestion (struct GAS_RIL_Handle *solver,
struct RIL_Peer_Agent *agent,
struct ATS_Address *new_address,
unsigned long long new_bw_in,
@@ -459,32 +532,34 @@ envi_change_active_address (struct GAS_RIL_Handle *solver,
{
int notify = GNUNET_NO;
- if (agent->address != new_address)
+ if (agent->address_inuse != new_address)
{
- agent->address->active = GNUNET_NO;
- agent->address = new_address;
- agent->address->active = GNUNET_YES;
- agent->address->assigned_bw_in.value__ = htonl (agent->bw_in);
- agent->address->assigned_bw_out.value__ = htonl (agent->bw_out);
+ if (NULL != agent->address_inuse)
+ {
+ agent->address_inuse->active = GNUNET_NO;
+ }
+ agent->address_inuse = new_address;
+ agent->address_inuse->active = GNUNET_YES;
+ agent->address_inuse->assigned_bw_in.value__ = htonl (agent->bw_in);
+ agent->address_inuse->assigned_bw_out.value__ = htonl (agent->bw_out);
notify |= GNUNET_YES;
}
if (agent->bw_in != new_bw_in)
{
agent->bw_in = new_bw_in;
- agent->address->assigned_bw_in.value__ = htonl (new_bw_out);
+ agent->address_inuse->assigned_bw_in.value__ = htonl (new_bw_out);
notify |= GNUNET_YES;
}
if (agent->bw_out != new_bw_out)
{
agent->bw_out = new_bw_out;
- agent->address->assigned_bw_out.value__ = htonl (new_bw_out);
+ agent->address_inuse->assigned_bw_out.value__ = htonl (new_bw_out);
notify |= GNUNET_YES;
}
- if (notify)
+ if (notify && agent->active)
{
- solver->callbacks->bw_changed (solver->callbacks->bw_changed_cls,
- agent->address);
+ solver->callbacks->bw_changed (solver->callbacks->bw_changed_cls, agent->address_inuse);
}
}
@@ -522,8 +597,8 @@ envi_get_reward (struct GAS_RIL_Handle *solver, struct RIL_Peer_Agent *agent)
{
//TODO! implement reward calculation
- return (double) GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK,
- UINT32_MAX) / (double) UINT32_MAX;
+ return (double) GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK, UINT32_MAX)
+ / (double) UINT32_MAX;
}
static void
@@ -533,13 +608,11 @@ envi_action_bw_double (struct GAS_RIL_Handle *solver,
{
if (direction_in)
{
- envi_change_active_address (solver, agent, agent->address, agent->bw_in * 2,
- agent->bw_out);
+ envi_set_active_suggestion (solver, agent, agent->address_inuse, agent->bw_in * 2, agent->bw_out);
}
else
{
- envi_change_active_address (solver, agent, agent->address, agent->bw_in,
- agent->bw_out * 2);
+ envi_set_active_suggestion (solver, agent, agent->address_inuse, agent->bw_in, agent->bw_out * 2);
}
}
@@ -556,42 +629,36 @@ envi_action_bw_halven (struct GAS_RIL_Handle *solver,
new_bw = agent->bw_in / 2;
if (new_bw < min_bw)
new_bw = min_bw;
- envi_change_active_address (solver, agent, agent->address, new_bw,
- agent->bw_out);
+ envi_set_active_suggestion (solver, agent, agent->address_inuse, new_bw, agent->bw_out);
}
else
{
new_bw = agent->bw_out / 2;
if (new_bw < min_bw)
new_bw = min_bw;
- envi_change_active_address (solver, agent, agent->address, agent->bw_in,
- new_bw);
+ envi_set_active_suggestion (solver, agent, agent->address_inuse, agent->bw_in, new_bw);
}
}
static void
-envi_action_bw_inc (struct GAS_RIL_Handle *solver,
- struct RIL_Peer_Agent *agent,
- int direction_in)
+envi_action_bw_inc (struct GAS_RIL_Handle *solver, struct RIL_Peer_Agent *agent, int direction_in)
{
uint32_t min_bw = ntohl (GNUNET_CONSTANTS_DEFAULT_BW_IN_OUT.value__);
if (direction_in)
{
- envi_change_active_address (solver, agent, agent->address,
- agent->bw_in + (5 * min_bw), agent->bw_out);
+ envi_set_active_suggestion (solver, agent, agent->address_inuse, agent->bw_in + (5 * min_bw),
+ agent->bw_out);
}
else
{
- envi_change_active_address (solver, agent, agent->address, agent->bw_in,
+ envi_set_active_suggestion (solver, agent, agent->address_inuse, agent->bw_in,
agent->bw_out + (5 * min_bw));
}
}
static void
-envi_action_bw_dec (struct GAS_RIL_Handle *solver,
- struct RIL_Peer_Agent *agent,
- int direction_in)
+envi_action_bw_dec (struct GAS_RIL_Handle *solver, struct RIL_Peer_Agent *agent, int direction_in)
{
uint32_t min_bw = ntohl (GNUNET_CONSTANTS_DEFAULT_BW_IN_OUT.value__);
unsigned long long new_bw;
@@ -601,16 +668,14 @@ envi_action_bw_dec (struct GAS_RIL_Handle *solver,
new_bw = agent->bw_in - (5 * min_bw);
if (new_bw < min_bw)
new_bw = min_bw;
- envi_change_active_address (solver, agent, agent->address, new_bw,
- agent->bw_out);
+ envi_set_active_suggestion (solver, agent, agent->address_inuse, new_bw, agent->bw_out);
}
else
{
new_bw = agent->bw_out - (5 * min_bw);
if (new_bw < min_bw)
new_bw = min_bw;
- envi_change_active_address (solver, agent, agent->address, agent->bw_in,
- new_bw);
+ envi_set_active_suggestion (solver, agent, agent->address_inuse, agent->bw_in, new_bw);
}
}
@@ -620,9 +685,7 @@ envi_action_bw_dec (struct GAS_RIL_Handle *solver,
* @param action action to perform by the solver
*/
static void
-envi_do_action (struct GAS_RIL_Handle *solver,
- struct RIL_Peer_Agent *agent,
- int action)
+envi_do_action (struct GAS_RIL_Handle *solver, struct RIL_Peer_Agent *agent, int action)
{
switch (action)
{
@@ -675,7 +738,7 @@ agent_step (struct RIL_Peer_Agent *agent)
s_next = envi_get_state (agent->envi);
reward = envi_get_reward (agent->envi, agent);
- GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "agent_step() with algorithm %s\n",
+ LOG(GNUNET_ERROR_TYPE_DEBUG, "agent_step() with algorithm %s\n",
agent->envi->parameters.algorithm ? "Q" : "SARSA");
switch (agent->envi->parameters.algorithm)
@@ -737,8 +800,7 @@ ril_periodic_step (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
struct GAS_RIL_Handle *solver = cls;
struct RIL_Peer_Agent *cur;
- GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "RIL step number %d\n",
- solver->step_count);
+ LOG(GNUNET_ERROR_TYPE_DEBUG, "RIL step number %d\n", solver->step_count);
for (cur = solver->agents_head; NULL != cur; cur = cur->next)
{
@@ -749,8 +811,7 @@ ril_periodic_step (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
}
solver->step_count += 1;
- solver->next_step = GNUNET_SCHEDULER_add_delayed (solver->step_time,
- &ril_periodic_step, solver);
+ solver->next_step = GNUNET_SCHEDULER_add_delayed (solver->step_time, &ril_periodic_step, solver);
}
/**
@@ -782,8 +843,7 @@ agent_init (void *s, const struct GNUNET_PeerIdentity *peer)
agent->e = (double *) GNUNET_malloc (sizeof (double) * agent->m);
agent_modify_eligibility (agent, RIL_E_ZERO);
- GNUNET_CONTAINER_DLL_insert_tail(solver->agents_head, solver->agents_tail,
- agent);
+ GNUNET_CONTAINER_DLL_insert_tail(solver->agents_head, solver->agents_tail, agent);
return agent;
}
@@ -807,50 +867,6 @@ agent_die (struct GAS_RIL_Handle *solver, struct RIL_Peer_Agent *agent)
GNUNET_free(agent->s_old);
}
-static void
-ril_remove_agent (struct GAS_RIL_Handle *s, struct RIL_Peer_Agent *agent)
-{
- struct RIL_Peer_Agent *cur_agent;
- struct RIL_Peer_Agent *next_agent;
-
- cur_agent = s->agents_head;
- while (NULL != cur_agent)
- {
- next_agent = cur_agent->next;
-
- if (agent == cur_agent)
- {
- GNUNET_CONTAINER_DLL_remove(s->agents_head, s->agents_tail, cur_agent);
- agent_die (s, cur_agent);
- }
-
- cur_agent = next_agent;
- }
-}
-
-/**
- * Counts the (active) agents
- * @param solver solver handle
- * @param active_only whether only active agents should be counted
- * @return number of agents
- */
-//static int
-//ril_count_agents (struct GAS_RIL_Handle *solver, int active_only)
-//{
-// int c;
-// struct RIL_Peer_Agent *cur;
-//
-// c = 0;
-// for (cur = solver->agents_head; NULL != cur; cur = cur->next)
-// {
-// if ((!active_only) || (active_only && cur->active))
-// {
-// c += 1;
-// }
-// }
-// return c;
-//}
-
/**
* Returns the agent for a peer
* @param s solver handle
@@ -859,9 +875,7 @@ ril_remove_agent (struct GAS_RIL_Handle *s, struct RIL_Peer_Agent *agent)
* @return agent
*/
static struct RIL_Peer_Agent *
-ril_get_agent (struct GAS_RIL_Handle *solver,
- const struct GNUNET_PeerIdentity *peer,
- int create)
+ril_get_agent (struct GAS_RIL_Handle *solver, const struct GNUNET_PeerIdentity *peer, int create)
{
struct RIL_Peer_Agent *cur;
@@ -878,93 +892,74 @@ ril_get_agent (struct GAS_RIL_Handle *solver,
return NULL ;
}
-static int
-ril_network_is_active (struct RIL_Network *network)
-{
- uint32_t min_bw = ntohl (GNUNET_CONSTANTS_DEFAULT_BW_IN_OUT.value__);
-
- if (network->bw_out_available < min_bw)
- return GNUNET_NO;
- return GNUNET_YES;
-}
-
/**
- * Iterator, which allocates one agent per peer
+ * Lookup network struct by type
*
- * @param cls solver
- * @param key peer identity
- * @param value address
- * @return whether iterator should continue
+ * @param s the solver handle
+ * @param type the network type
+ * @return the network struct
*/
-static int
-ril_init_agents_it (void *cls, const struct GNUNET_HashCode *key, void *value)
+static struct RIL_Network *
+ril_get_network (struct GAS_RIL_Handle *s, uint32_t type)
{
- struct GAS_RIL_Handle *solver = cls;
- struct ATS_Address *address = value;
- struct RIL_Peer_Agent *agent = NULL;
- uint32_t min_bw = ntohl (GNUNET_CONSTANTS_DEFAULT_BW_IN_OUT.value__);
+ int i;
- if (ril_network_is_active (address->solver_information))
+ for (i = 0; i < s->networks_count; i++)
{
- agent = ril_get_agent (solver, &address->peer, GNUNET_YES);
-
- GNUNET_assert(NULL != agent);
-
- if (NULL == agent->address)
+ if (s->network_entries[i].type == type)
{
- agent->address = address;
- agent->address->active = GNUNET_YES;
- agent->bw_in = min_bw;
- agent->address->assigned_bw_in.value__ = htonl (min_bw);
- agent->bw_out = min_bw;
- agent->address->assigned_bw_out.value__ = htonl (min_bw);
+ return &s->network_entries[i];
}
}
+ return NULL ;
+}
+
+static int
+ril_network_is_active (struct GAS_RIL_Handle *solver, enum GNUNET_ATS_Network_Type network)
+{
+ struct RIL_Network *net;
+ uint32_t min_bw = ntohl (GNUNET_CONSTANTS_DEFAULT_BW_IN_OUT.value__);
+
+ net = ril_get_network(solver, network);
+ if (net->bw_out_available < min_bw)
+ return GNUNET_NO;
return GNUNET_YES;
}
static void
-ril_get_new_address_or_delete (struct GAS_RIL_Handle *solver,
- struct RIL_Peer_Agent *agent)
+ril_cut_from_vector (void **old, size_t element_size, unsigned int hole_start, unsigned int hole_length, unsigned int old_length)
{
- uint32_t min_bw = ntohl (GNUNET_CONSTANTS_DEFAULT_BW_IN_OUT.value__);
- //get new address for agent or delete agent
+ char *tmpptr;
+ char *oldptr = (char *) *old;
+ size_t size;
+ unsigned int bytes_before;
+ unsigned int bytes_hole;
+ unsigned int bytes_after;
- agent->address = NULL; //forget current address
- GNUNET_CONTAINER_multihashmap_iterate (solver->addresses, &ril_init_agents_it,
- solver); //put another address
+ GNUNET_assert(old_length > hole_length);
+ GNUNET_assert(old_length > (hole_start + hole_length - 1));
- if (NULL == agent->address) //no other address available
+ size = (old_length - hole_length) * element_size;
+
+ bytes_before = element_size * hole_start;
+ bytes_hole = element_size * hole_length;
+ bytes_after = element_size * (old_length - hole_start - hole_length);
+
+ if (0 == size)
{
- agent->active = GNUNET_NO;
- ril_remove_agent (solver, agent);
+ tmpptr = NULL;
}
else
{
- envi_change_active_address (solver, agent, agent->address, min_bw, min_bw);
+ tmpptr = GNUNET_malloc (size);
+ memcpy (tmpptr, oldptr, bytes_before);
+ memcpy (tmpptr + bytes_before, oldptr + (bytes_before + bytes_hole), bytes_after);
}
-}
-
-/**
- * Lookup network struct by type
- *
- * @param s the solver handle
- * @param type the network type
- * @return the network struct
- */
-static struct RIL_Network *
-ril_get_network (struct GAS_RIL_Handle *s, uint32_t type)
-{
- int i;
-
- for (i = 0; i < s->networks_count; i++)
+ if (NULL != *old)
{
- if (s->network_entries[i].type == type)
- {
- return &s->network_entries[i];
- }
+ GNUNET_free(*old);
}
- return NULL ;
+ *old = (void *) tmpptr;
}
/**
@@ -986,7 +981,7 @@ GAS_ril_address_change_preference (void *s,
enum GNUNET_ATS_PreferenceKind kind,
double pref_rel)
{
- GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
+ LOG(GNUNET_ERROR_TYPE_DEBUG,
"API_address_change_preference() Preference '%s' for peer '%s' changed to %.2f \n",
GNUNET_ATS_print_preference_type (kind), GNUNET_i2s (peer), pref_rel);
/*
@@ -1044,7 +1039,7 @@ GAS_ril_init (const struct GNUNET_CONFIGURATION_Handle *cfg,
struct RIL_Network * cur;
struct GAS_RIL_Handle *solver = GNUNET_malloc (sizeof (struct GAS_RIL_Handle));
- GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "API_init() Initializing RIL solver\n");
+ LOG(GNUNET_ERROR_TYPE_DEBUG, "API_init() Initializing RIL solver\n");
GNUNET_assert(NULL != cfg);
GNUNET_assert(NULL != stats);
@@ -1054,14 +1049,12 @@ GAS_ril_init (const struct GNUNET_CONFIGURATION_Handle *cfg,
GNUNET_assert(NULL != get_properties);
if (GNUNET_OK
- != GNUNET_CONFIGURATION_get_value_time (cfg, "ats", "RIL_STEP_TIME",
- &solver->step_time))
+ != GNUNET_CONFIGURATION_get_value_time (cfg, "ats", "RIL_STEP_TIME", &solver->step_time))
{
solver->step_time = RIL_DEFAULT_STEP_TIME;
}
- if (GNUNET_OK
- == GNUNET_CONFIGURATION_get_value_string (cfg, "ats", "RIL_ALGORITHM",
- &string) && NULL != string && 0 == strcmp (string, "SARSA"))
+ if (GNUNET_OK == GNUNET_CONFIGURATION_get_value_string (cfg, "ats", "RIL_ALGORITHM", &string)
+ && NULL != string && 0 == strcmp (string, "SARSA"))
{
solver->parameters.algorithm = RIL_ALGO_SARSA;
}
@@ -1069,9 +1062,7 @@ GAS_ril_init (const struct GNUNET_CONFIGURATION_Handle *cfg,
{
solver->parameters.algorithm = RIL_DEFAULT_ALGORITHM;
}
- if (GNUNET_OK
- == GNUNET_CONFIGURATION_get_value_size (cfg, "ats", "RIL_DISCOUNT_FACTOR",
- &tmp))
+ if (GNUNET_OK == GNUNET_CONFIGURATION_get_value_size (cfg, "ats", "RIL_DISCOUNT_FACTOR", &tmp))
{
solver->parameters.gamma = (double) tmp / 100;
}
@@ -1079,9 +1070,7 @@ GAS_ril_init (const struct GNUNET_CONFIGURATION_Handle *cfg,
{
solver->parameters.gamma = RIL_DEFAULT_DISCOUNT_FACTOR;
}
- if (GNUNET_OK
- == GNUNET_CONFIGURATION_get_value_size (cfg, "ats",
- "RIL_GRADIENT_STEP_SIZE", &tmp))
+ if (GNUNET_OK == GNUNET_CONFIGURATION_get_value_size (cfg, "ats", "RIL_GRADIENT_STEP_SIZE", &tmp))
{
solver->parameters.alpha = (double) tmp / 100;
}
@@ -1089,9 +1078,7 @@ GAS_ril_init (const struct GNUNET_CONFIGURATION_Handle *cfg,
{
solver->parameters.alpha = RIL_DEFAULT_GRADIENT_STEP_SIZE;
}
- if (GNUNET_OK
- == GNUNET_CONFIGURATION_get_value_size (cfg, "ats", "RIL_TRACE_DECAY",
- &tmp))
+ if (GNUNET_OK == GNUNET_CONFIGURATION_get_value_size (cfg, "ats", "RIL_TRACE_DECAY", &tmp))
{
solver->parameters.lambda = (double) tmp / 100;
}
@@ -1109,8 +1096,7 @@ GAS_ril_init (const struct GNUNET_CONFIGURATION_Handle *cfg,
solver->callbacks->get_properties = get_properties;
solver->callbacks->get_properties_cls = get_properties_cls;
solver->networks_count = dest_length;
- solver->network_entries =
- GNUNET_malloc (dest_length * sizeof (struct RIL_Network));
+ solver->network_entries = GNUNET_malloc (dest_length * sizeof (struct RIL_Network));
solver->bulk_lock = GNUNET_NO;
solver->addresses = addresses;
solver->step_count = 0;
@@ -1126,8 +1112,8 @@ GAS_ril_init (const struct GNUNET_CONFIGURATION_Handle *cfg,
}
solver->next_step = GNUNET_SCHEDULER_add_delayed (
- GNUNET_TIME_relative_multiply (GNUNET_TIME_relative_get_millisecond_ (),
- 1000), &ril_periodic_step, solver);
+ GNUNET_TIME_relative_multiply (GNUNET_TIME_relative_get_millisecond_ (), 1000),
+ &ril_periodic_step, solver);
return solver;
}
@@ -1144,7 +1130,7 @@ GAS_ril_done (void * solver)
struct RIL_Peer_Agent *cur_agent;
struct RIL_Peer_Agent *next_agent;
- GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "API_done() Shutting down RIL solver\n");
+ LOG(GNUNET_ERROR_TYPE_DEBUG, "API_done() Shutting down RIL solver\n");
cur_agent = s->agents_head;
while (NULL != cur_agent)
@@ -1169,32 +1155,73 @@ GAS_ril_done (void * solver)
* @param network network type of this address
*/
void
-GAS_ril_address_add (void *solver,
- struct ATS_Address *address,
- uint32_t network)
+GAS_ril_address_add (void *solver, struct ATS_Address *address, uint32_t network)
{
struct GAS_RIL_Handle *s = solver;
- //TODO! implement solver address add
- /*
- * if (new peer)
- * initialize new agent
- * Add address
- * increase state vector
- * knowledge matrix
- * and action vector
- */
+ struct RIL_Peer_Agent *agent;
+ struct RIL_Address_Wrapped *address_wrapped;
+ unsigned int m_new;
+ unsigned int m_old;
+ unsigned int n_new;
+ unsigned int n_old;
+ int i;
+ unsigned int zero;
+ uint32_t min_bw = ntohl (GNUNET_CONSTANTS_DEFAULT_BW_IN_OUT.value__);
address->solver_information = ril_get_network (s, network);
- /*
- * reiterate all addresses, create new agent if necessary and give the agent the address
- */
- GNUNET_CONTAINER_multihashmap_iterate (s->addresses, &ril_init_agents_it,
- solver);
+ if (!ril_network_is_active(s, network))
+ {
+ LOG(GNUNET_ERROR_TYPE_DEBUG, "API_address_add() Did not add %s address %p for peer '%s', network does not have enough bandwidth\n",
+ address->plugin, address->addr, GNUNET_i2s (&address->peer));
+ return;
+ }
+
+ agent = ril_get_agent(s, &address->peer, GNUNET_YES);
+
+ //add address
+ address_wrapped = GNUNET_malloc (sizeof (struct RIL_Address_Wrapped));
+ address_wrapped->address_naked = address;
+ GNUNET_CONTAINER_DLL_insert_tail(agent->addresses_head, agent->addresses_tail, address_wrapped);
+
+ //increase size of W
+ m_new = agent->m + 5; //TODO! make size of features from address variable (Note to self: ctrl+f for "5" or I kill you!)
+ m_old = agent->m;
+ n_new = agent->n + 1;
+ n_old = agent->n;
+
+ GNUNET_array_grow (agent->W, agent->n, n_new);
+ for (i = 0; i < n_new; i++)
+ {
+ if (i < n_old)
+ {
+ agent->m = m_old;
+ GNUNET_array_grow(agent->W[i], agent->m, m_new);
+ }
+ else
+ {
+ zero = 0;
+ GNUNET_array_grow(agent->W[i], zero, m_new);
+ }
+ }
+
+ //increase size of old state vector if there is one
+ if (-1 != agent->a_old)
+ {
+ agent->m = m_old;
+ GNUNET_array_grow(agent->s_old, agent->m, m_new); //TODO initialize new state features?
+ }
+
+ agent->m = m_old;
+ GNUNET_array_grow(agent->e, agent->m, m_new);
+
+ if (NULL == agent->address_inuse)
+ {
+ envi_set_active_suggestion(s, agent, address, min_bw, min_bw);
+ }
- GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
- "API_address_add() Added %s address for peer '%s'\n", address->plugin,
- GNUNET_i2s (&address->peer));
+ LOG(GNUNET_ERROR_TYPE_DEBUG, "API_address_add() Added %s address %p for peer '%s'\n",
+ address->plugin, address->addr, GNUNET_i2s (&address->peer));
}
/**
@@ -1205,48 +1232,70 @@ GAS_ril_address_add (void *solver,
* @param session_only delete only session not whole address
*/
void
-GAS_ril_address_delete (void *solver,
- struct ATS_Address *address,
- int session_only)
+GAS_ril_address_delete (void *solver, struct ATS_Address *address, int session_only)
{
- //TODO! implement solver address delete
//TODO! delete session only
- /*
- * remove address
- * if (last address of peer)
- * remove agent
- * else
- * decrease state vector
- * decrease knowledge matrix
- * decrease action vector
- */
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_Network *net;
+ uint32_t min_bw = ntohl (GNUNET_CONSTANTS_DEFAULT_BW_IN_OUT.value__);
- GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
- "API_address_delete() deleting %s address %p for peer '%s'\n",
- address->active ? "active" : "inactive", address,
- GNUNET_i2s (&address->peer));
+ agent = ril_get_agent(s, &address->peer, GNUNET_NO);
+ if (NULL == agent)
+ {
+ LOG (GNUNET_ERROR_TYPE_DEBUG, "No agent allocated for peer\n");
+ }
- agent = ril_get_agent (s, &address->peer, GNUNET_NO);
+ address_index = agent_address_get_index(agent, address);
+ address_wrapped = agent_address_get(agent, address);
- if (NULL == agent)
+ GNUNET_CONTAINER_DLL_remove(agent->addresses_head, agent->addresses_tail, address_wrapped);
+
+ //decrease W
+ m_new = agent->m - 5;
+ n_new = agent->n - 1;
+
+ for (i = 0; i < agent->n; i++)
{
- GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
- "API_address_delete() deleting address for unallocated agent\n");
- return;
+ ril_cut_from_vector((void **) &agent->W[i], sizeof (double), ((s->networks_count * 4) + (i * 5)), 5, agent->m);
+ }
+ ril_cut_from_vector((void **) &agent->W, sizeof (double *), RIL_ACTION_TYPE_NUM + address_index, 1, agent->n);
+ //correct last action
+ if (agent->a_old > (RIL_ACTION_TYPE_NUM + address_index))
+ {
+ agent->a_old -= 1;
}
+ else if (agent->a_old == (RIL_ACTION_TYPE_NUM + address_index))
+ {
+ agent->a_old = -1; //TODO! macro for invalid action
+ }
+ //decrease old state vector and eligibility vector
+ ril_cut_from_vector((void **) &agent->s_old, sizeof (double), ((s->networks_count * 4) + (i * 5)), 5, agent->m);
+ ril_cut_from_vector((void **) &agent->e, sizeof (double), ((s->networks_count * 4) + (i * 5)), 5, agent->m);
+ agent->m = m_new;
+ agent->n = n_new;
- if (address == agent->address) //if used address deleted
+ if (address_was_used)
{
- address->active = GNUNET_NO;
- ril_get_new_address_or_delete (s, agent);
+ net = address->solver_information;
+ net->bw_in_assigned -= agent->bw_in;
+ net->bw_out_assigned -= agent->bw_out;
+
+ //TODO? check if network/bandwidth update can be done more clever/elegant at different function
+ envi_set_active_suggestion(s, agent, agent->addresses_head->address_naked, min_bw, min_bw);
+ net = agent->addresses_head->address_naked->solver_information;
+ net->bw_in_assigned -= min_bw;
+ net->bw_out_assigned -= min_bw;
}
- GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
- "API_address_delete() Deleted %s%s address for peer '%s'\n",
- session_only ? "session for " : "", address->plugin,
- GNUNET_i2s (&address->peer));
+ LOG(GNUNET_ERROR_TYPE_DEBUG, "API_address_delete() Deleted %s%s address for peer '%s'\n",
+ session_only ? "session for " : "", address->plugin, GNUNET_i2s (&address->peer));
}
/**
@@ -1265,10 +1314,10 @@ GAS_ril_address_property_changed (void *solver,
uint32_t abs_value,
double rel_value)
{
- GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
+ LOG(GNUNET_ERROR_TYPE_DEBUG,
"API_address_property_changed() Property '%s' for peer '%s' address %p changed "
- "to %.2f \n", GNUNET_ATS_print_property_type (type),
- GNUNET_i2s (&address->peer), address, rel_value);
+ "to %.2f \n", GNUNET_ATS_print_property_type (type), GNUNET_i2s (&address->peer), address,
+ rel_value);
/*
* Nothing to do here, properties are considered in every reward calculation
*/
@@ -1294,7 +1343,7 @@ GAS_ril_address_session_changed (void *solver,
/*
* Potentially add session activity as a feature in state vector
*/
- GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "API_address_session_changed()\n");
+ LOG(GNUNET_ERROR_TYPE_DEBUG, "API_address_session_changed()\n");
}
/**
@@ -1307,18 +1356,15 @@ GAS_ril_address_session_changed (void *solver,
* @param in_use usage state
*/
void
-GAS_ril_address_inuse_changed (void *solver,
- struct ATS_Address *address,
- int in_use)
+GAS_ril_address_inuse_changed (void *solver, struct ATS_Address *address, int in_use)
{
//TODO! consider address_inuse_changed according to matthias' email
/**
* See matthias' email
*/
- GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
+ 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");
+ address->plugin, GNUNET_i2s (&address->peer), (GNUNET_YES == in_use) ? "USED" : "UNUSED");
}
/**
@@ -1340,54 +1386,36 @@ GAS_ril_address_change_network (void *solver,
struct GAS_RIL_Handle *s = solver;
struct RIL_Peer_Agent *agent;
struct RIL_Network *net;
+ uint32_t min_bw = ntohl (GNUNET_CONSTANTS_DEFAULT_BW_IN_OUT.value__);
- GNUNET_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));
-
- address->solver_information = ril_get_network (solver, new_network);
+ 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));
- if (address->active)
+ if (address->active && !ril_network_is_active(solver, new_network))
{
- agent = ril_get_agent (solver, &address->peer, GNUNET_NO);
-
- //remove from old network
- net = ril_get_network (s, current_network);
- net->bw_in_assigned -= agent->bw_in;
- net->bw_out_assigned -= agent->bw_out;
-
- if (ril_network_is_active (ril_get_network (s, new_network)))
- {
- GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "New network is active\n");
- //add to new network
- net = ril_get_network (s, new_network);
- net->bw_in_assigned += agent->bw_in;
- net->bw_out_assigned += agent->bw_out;
-
- GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
- "API_address_change_network() Moved %d inbound and %d "
- "outbound\n", agent->bw_in, agent->bw_out);
- }
- else //new network for this address is not active => address must not be considered
- {
- GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "New network is not active\n");
+ GAS_ril_address_delete(solver, address, GNUNET_NO);
+ return;
+ }
- net = agent->address->solver_information;
- GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Before: active address %p is %s\n",
- agent->address, GNUNET_ATS_print_network_type (net->type));
+ agent = ril_get_agent(s, &address->peer, GNUNET_NO);
+ if (NULL == agent)
+ {
+ //no agent there yet, so add as if address is new
+ address->solver_information = ril_get_network (s, new_network);
+ GAS_ril_address_add(s,address,new_network);
+ return;
+ }
- address->active = GNUNET_NO;
- ril_get_new_address_or_delete (s, agent);
+ net = ril_get_network (s, current_network);
+ net->bw_in_assigned -= agent->bw_in;
+ net->bw_out_assigned -= agent->bw_out;
- net = agent->address->solver_information;
- GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "After: active address %p is %s\n",
- agent->address, GNUNET_ATS_print_network_type (net->type));
- }
- }
+ net = ril_get_network (s, new_network);
+ net->bw_in_assigned -= min_bw;
+ net->bw_out_assigned -= min_bw;
+ address->solver_information = net;
}
/**
@@ -1409,7 +1437,7 @@ GAS_ril_address_preference_feedback (void *solver,
double score)
{
//TODO! collect reward until next reward calculation
- GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
+ 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);
@@ -1430,7 +1458,7 @@ GAS_ril_bulk_start (void *solver)
* they want. Consideration: Step-pause during bulk-start-stop period...
*/
- //GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "API_bulk_start()\n");
+ //LOG(GNUNET_ERROR_TYPE_DEBUG, "API_bulk_start()\n");
}
/**
@@ -1444,7 +1472,7 @@ GAS_ril_bulk_stop (void *solver)
* bulk counter down, see bulk_start()
*/
- //GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "API_bulk_stop()\n");
+ //LOG(GNUNET_ERROR_TYPE_DEBUG, "API_bulk_stop()\n");
}
/**
@@ -1454,8 +1482,7 @@ GAS_ril_bulk_stop (void *solver)
* @param peer the identity of the peer
*/
const struct ATS_Address *
-GAS_ril_get_preferred_address (void *solver,
- const struct GNUNET_PeerIdentity *peer)
+GAS_ril_get_preferred_address (void *solver, const struct GNUNET_PeerIdentity *peer)
{
/*
* activate agent, return currently chosen address
@@ -1467,7 +1494,7 @@ GAS_ril_get_preferred_address (void *solver,
if (NULL == agent)
{
- GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
+ LOG(GNUNET_ERROR_TYPE_DEBUG,
"API_get_preferred_address() No agent for peer '%s' do not suggest address\n",
GNUNET_i2s (peer));
return NULL ;
@@ -1475,13 +1502,13 @@ GAS_ril_get_preferred_address (void *solver,
agent->active = GNUNET_YES;
- GNUNET_assert(NULL != agent->address);
+ GNUNET_assert(NULL != agent->address_inuse);
- GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
+ LOG(GNUNET_ERROR_TYPE_DEBUG,
"API_get_preferred_address() Activated agent for peer '%s' with %s address\n",
- GNUNET_i2s (peer), agent->address->plugin);
+ GNUNET_i2s (peer), agent->address_inuse->plugin);
- return agent->address;
+ return agent->address_inuse;
}
/**
@@ -1491,8 +1518,7 @@ GAS_ril_get_preferred_address (void *solver,
* @param peer the peer
*/
void
-GAS_ril_stop_get_preferred_address (void *solver,
- const struct GNUNET_PeerIdentity *peer)
+GAS_ril_stop_get_preferred_address (void *solver, const struct GNUNET_PeerIdentity *peer)
{
struct GAS_RIL_Handle *s = solver;
struct RIL_Peer_Agent *agent;
@@ -1500,9 +1526,9 @@ GAS_ril_stop_get_preferred_address (void *solver,
agent = ril_get_agent (s, peer, GNUNET_NO);
agent->active = GNUNET_NO;
- GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
+ LOG(GNUNET_ERROR_TYPE_DEBUG,
"API_stop_get_preferred_address() Paused agent for peer '%s' with %s address\n",
- GNUNET_i2s (peer), agent->address->plugin);
+ GNUNET_i2s (peer), agent->address_inuse->plugin);
}
/* end of gnunet-service-ats-solver_ril.c */