#include "surf_private.h"
#include "network_common.h"
+#include "surf/random_mgr.h"
#include "xbt/dict.h"
#include "xbt/str.h"
#include "xbt/log.h"
-#define CONSTANT_VALUE 1.0
typedef struct network_card_Constant {
char *name;
int id;
} s_network_card_Constant_t, *network_card_Constant_t;
-typedef struct network_link_Constant {
- surf_model_t model; /* Any such object, added in a trace
- should start by this field!!! */
- xbt_dict_t properties;
- /* Using this object with the public part of
- model does not make sense */
- char *name;
- double bw_current;
- tmgr_trace_event_t bw_event;
- double lat_current;
- tmgr_trace_event_t lat_event;
- e_surf_link_state_t state_current;
- tmgr_trace_event_t state_event;
- lmm_constraint_t constraint;
-} s_link_Constant_t, *link_Constant_t;
-
typedef struct surf_action_network_Constant {
s_surf_action_t generic_action;
double latency;
- double lat_current;
- lmm_variable_t variable;
- double rate;
+ double lat_init;
int suspended;
network_card_Constant_t src;
network_card_Constant_t dst;
} s_surf_action_network_Constant_t, *surf_action_network_Constant_t;
XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_network);
-
-static lmm_system_t network_maxmin_system = NULL;
-static void (*network_solve) (lmm_system_t) = NULL;
-
+static random_data_t random_latency = NULL;
static int card_number = 0;
static int host_number = 0;
-static void link_free(void *nw_link)
-{
- free(((link_Constant_t) nw_link)->name);
- free(nw_link);
-}
-
-static link_Constant_t link_new(char *name,
- double bw_initial,
- tmgr_trace_t bw_trace,
- double lat_initial,
- tmgr_trace_t lat_trace,
- e_surf_link_state_t
- state_initial,
- tmgr_trace_t state_trace,
- e_surf_link_sharing_policy_t
- policy, xbt_dict_t properties)
-{
- link_Constant_t nw_link = xbt_new0(s_link_Constant_t, 1);
- xbt_assert1(!xbt_dict_get_or_null(link_set, name),
- "Link '%s' declared several times in the platform file.", name);
-
- nw_link->model = (surf_model_t) surf_network_model;
- nw_link->name = name;
- nw_link->bw_current = bw_initial;
- if (bw_trace)
- nw_link->bw_event =
- tmgr_history_add_trace(history, bw_trace, 0.0, 0, nw_link);
- nw_link->lat_current = lat_initial;
- if (lat_trace)
- nw_link->lat_event =
- tmgr_history_add_trace(history, lat_trace, 0.0, 0, nw_link);
- nw_link->state_current = state_initial;
- if (state_trace)
- nw_link->state_event =
- tmgr_history_add_trace(history, state_trace, 0.0, 0, nw_link);
-
- nw_link->constraint =
- lmm_constraint_new(network_maxmin_system, nw_link,
- nw_link->bw_current);
-
- if (policy == SURF_LINK_FATPIPE)
- lmm_constraint_shared(nw_link->constraint);
-
- nw_link->properties = properties;
-
- current_property_set = properties;
-
- xbt_dict_set(link_set, name, nw_link, link_free);
-
- return nw_link;
-}
-
static void network_card_free(void *nw_card)
{
free(((network_card_Constant_t) nw_card)->name);
return card->id;
}
-static void parse_link_init(void)
-{
- char *name_link;
- double bw_initial;
- tmgr_trace_t bw_trace;
- double lat_initial;
- tmgr_trace_t lat_trace;
- e_surf_link_state_t state_initial_link = SURF_LINK_ON;
- e_surf_link_sharing_policy_t policy_initial_link = SURF_LINK_SHARED;
- tmgr_trace_t state_trace;
-
- name_link = xbt_strdup(A_surfxml_link_id);
- surf_parse_get_double(&bw_initial, A_surfxml_link_bandwidth);
- surf_parse_get_trace(&bw_trace, A_surfxml_link_bandwidth_file);
- surf_parse_get_double(&lat_initial, A_surfxml_link_latency);
- surf_parse_get_trace(&lat_trace, A_surfxml_link_latency_file);
-
- xbt_assert0((A_surfxml_link_state ==
- A_surfxml_link_state_ON)
- || (A_surfxml_link_state ==
- A_surfxml_link_state_OFF), "Invalid state");
- if (A_surfxml_link_state == A_surfxml_link_state_ON)
- state_initial_link = SURF_LINK_ON;
- else if (A_surfxml_link_state ==
- A_surfxml_link_state_OFF)
- state_initial_link = SURF_LINK_OFF;
-
- if (A_surfxml_link_sharing_policy ==
- A_surfxml_link_sharing_policy_SHARED)
- policy_initial_link = SURF_LINK_SHARED;
- else if (A_surfxml_link_sharing_policy ==
- A_surfxml_link_sharing_policy_FATPIPE)
- policy_initial_link = SURF_LINK_FATPIPE;
-
- surf_parse_get_trace(&state_trace, A_surfxml_link_state_file);
-
- link_new(name_link, bw_initial, bw_trace,
- lat_initial, lat_trace, state_initial_link, state_trace,
- policy_initial_link, xbt_dict_new());
-
-}
-
static int src_id = -1;
static int dst_id = -1;
host_number++;
}
-
-static void add_traces(void) {
- xbt_dict_cursor_t cursor=NULL;
- char *trace_name,*elm;
-
- static int called = 0;
- if (called) return;
- called = 1;
-
- /* connect all traces relative to network */
- xbt_dict_foreach(trace_connect_list_link_avail, cursor, trace_name, elm) {
- tmgr_trace_t trace = xbt_dict_get_or_null(traces_set_list, trace_name);
- link_Constant_t link = xbt_dict_get_or_null(link_set, elm);
-
- xbt_assert1(link, "Link %s undefined", elm);
- xbt_assert1(trace, "Trace %s undefined", trace_name);
-
- link->state_event = tmgr_history_add_trace(history, trace, 0.0, 0, link);
- }
-
- xbt_dict_foreach(trace_connect_list_bandwidth, cursor, trace_name, elm) {
- tmgr_trace_t trace = xbt_dict_get_or_null(traces_set_list, trace_name);
- link_Constant_t link = xbt_dict_get_or_null(link_set, elm);
-
- xbt_assert1(link, "Link %s undefined", elm);
- xbt_assert1(trace, "Trace %s undefined", trace_name);
-
- link->bw_event = tmgr_history_add_trace(history, trace, 0.0, 0, link);
- }
-
- xbt_dict_foreach(trace_connect_list_latency, cursor, trace_name, elm) {
- tmgr_trace_t trace = xbt_dict_get_or_null(traces_set_list, trace_name);
- link_Constant_t link = xbt_dict_get_or_null(link_set, elm);
-
- xbt_assert1(link, "Link %s undefined", elm);
- xbt_assert1(trace, "Trace %s undefined", trace_name);
-
- link->lat_event = tmgr_history_add_trace(history, trace, 0.0, 0, link);
- }
-
- xbt_dict_free(&trace_connect_list_host_avail);
- xbt_dict_free(&trace_connect_list_power);
- xbt_dict_free(&trace_connect_list_link_avail);
- xbt_dict_free(&trace_connect_list_bandwidth);
- xbt_dict_free(&trace_connect_list_latency);
-
- xbt_dict_free(&traces_set_list);
-}
-
static void define_callbacks(const char *file)
{
/* Figuring out the network links */
surfxml_add_callback(STag_surfxml_host_cb_list, &count_hosts);
- surfxml_add_callback(STag_surfxml_link_cb_list, &parse_link_init);
surfxml_add_callback(STag_surfxml_prop_cb_list, &parse_properties);
surfxml_add_callback(STag_surfxml_route_cb_list, &parse_route_set_endpoints);
surfxml_add_callback(ETag_surfxml_link_c_ctn_cb_list, &parse_route_elem);
surfxml_add_callback(ETag_surfxml_route_cb_list, &parse_route_set_route);
surfxml_add_callback(STag_surfxml_platform_cb_list, &init_data);
- surfxml_add_callback(ETag_surfxml_platform_cb_list, &add_traces);
surfxml_add_callback(STag_surfxml_set_cb_list, &parse_sets);
surfxml_add_callback(STag_surfxml_route_c_multi_cb_list, &parse_route_multi_set_endpoints);
surfxml_add_callback(ETag_surfxml_route_c_multi_cb_list, &parse_route_multi_set_route);
static int resource_used(void *resource_id)
{
- return lmm_constraint_used(network_maxmin_system,
- ((link_Constant_t) resource_id)->
- constraint);
+ return 0;
}
static int action_free(surf_action_t action)
action->using--;
if (!action->using) {
xbt_swag_remove(action, action->state_set);
- if (((surf_action_network_Constant_t) action)->variable)
- lmm_variable_free(network_maxmin_system,
- ((surf_action_network_Constant_t) action)->variable);
free(action);
return 1;
}
static void action_change_state(surf_action_t action,
e_surf_action_state_t state)
{
-/* if((state==SURF_ACTION_DONE) || (state==SURF_ACTION_FAILED)) */
-/* if(((surf_action_network_Constant_t)action)->variable) { */
-/* lmm_variable_disable(network_maxmin_system, ((surf_action_network_Constant_t)action)->variable); */
-/* ((surf_action_network_Constant_t)action)->variable = NULL; */
-/* } */
-
surf_action_change_state(action, state);
return;
}
}
}
double_update(&(action->generic_action.remains),
- action->generic_action.cost * delta/ CONSTANT_VALUE);
+ action->generic_action.cost * delta/action->lat_init);
if (action->generic_action.max_duration != NO_MAX_DURATION)
double_update(&(action->generic_action.max_duration), delta);
tmgr_trace_event_t event_type,
double value)
{
- link_Constant_t nw_link = id;
- /* printf("[" "%lg" "] Asking to update network card \"%s\" with value " */
- /* "%lg" " for event %p\n", surf_get_clock(), nw_link->name, */
- /* value, event_type); */
-
- if (event_type == nw_link->bw_event) {
- nw_link->bw_current = value;
- lmm_update_constraint_bound(network_maxmin_system, nw_link->constraint,
- nw_link->bw_current);
- } else if (event_type == nw_link->lat_event) {
- double delta = value - nw_link->lat_current;
- lmm_variable_t var = NULL;
- surf_action_network_Constant_t action = NULL;
-
- nw_link->lat_current = value;
- while (lmm_get_var_from_cnst
- (network_maxmin_system, nw_link->constraint, &var)) {
- action = lmm_variable_id(var);
- action->lat_current += delta;
- if (action->rate < 0)
- lmm_update_variable_bound(network_maxmin_system, action->variable,
- SG_TCP_CTE_GAMMA / (2.0 *
- action->
- lat_current));
- else
- lmm_update_variable_bound(network_maxmin_system, action->variable,
- min(action->rate,
- SG_TCP_CTE_GAMMA / (2.0 *
- action->
- lat_current)));
- if (!(action->suspended))
- lmm_update_variable_weight(network_maxmin_system, action->variable,
- action->lat_current);
- lmm_update_variable_latency(network_maxmin_system, action->variable,
- delta);
- }
- } else if (event_type == nw_link->state_event) {
- if (value > 0)
- nw_link->state_current = SURF_LINK_ON;
- else
- nw_link->state_current = SURF_LINK_OFF;
- } else {
- CRITICAL0("Unknown event ! \n");
- xbt_abort();
- }
-
- return;
+ DIE_IMPOSSIBLE;
}
static surf_action_t communicate(void *src, void *dst, double size,
action->generic_action.model_type =
(surf_model_t) surf_network_model;
action->suspended = 0;
- action->generic_action.state_set =
+
+ action->latency = random_generate(random_latency);
+ action->lat_init = action->latency;
+
+ if(action->latency<=0.0)
+ action->generic_action.state_set =
+ surf_network_model->common_public->states.done_action_set;
+ else
+ action->generic_action.state_set =
surf_network_model->common_public->states.running_action_set;
xbt_swag_insert(action, action->generic_action.state_set);
- action->rate = rate;
- action->latency = CONSTANT_VALUE;
- action->lat_current = action->latency;
XBT_OUT;
static const char *get_link_name(const void *link)
{
- return ((link_Constant_t) link)->name;
+ DIE_IMPOSSIBLE;
}
static double get_link_bandwidth(const void *link)
{
- return ((link_Constant_t) link)->bw_current;
+ DIE_IMPOSSIBLE;
}
static double get_link_latency(const void *link)
{
- return ((link_Constant_t) link)->lat_current;
+ DIE_IMPOSSIBLE;
}
static xbt_dict_t get_properties(void *link)
{
- return ((link_Constant_t) link)->properties;
+ DIE_IMPOSSIBLE;
}
static void action_suspend(surf_action_t action)
{
((surf_action_network_Constant_t) action)->suspended = 1;
- lmm_update_variable_weight(network_maxmin_system,
- ((surf_action_network_Constant_t) action)->
- variable, 0.0);
}
static void action_resume(surf_action_t action)
{
- if (((surf_action_network_Constant_t) action)->suspended) {
- lmm_update_variable_weight(network_maxmin_system,
- ((surf_action_network_Constant_t) action)->
- variable,
- ((surf_action_network_Constant_t) action)->
- lat_current);
+ if (((surf_action_network_Constant_t) action)->suspended)
((surf_action_network_Constant_t) action)->suspended = 0;
- }
}
static int action_is_suspended(surf_action_t action)
static void finalize(void)
{
xbt_dict_free(&network_card_set);
- xbt_dict_free(&link_set);
xbt_swag_free(surf_network_model->common_public->states.
ready_action_set);
xbt_swag_free(surf_network_model->common_public->states.
surf_network_model->common_public->get_properties = get_properties;
- link_set = xbt_dict_new();
network_card_set = xbt_dict_new();
- if (!network_maxmin_system)
- network_maxmin_system = lmm_system_new();
+ if(!random_latency)
+ random_latency = random_new(RAND, 0.0, 1.0, .125, .034);
}
void surf_network_model_init_Constant(const char *filename)
surf_network_model_init_internal();
define_callbacks(filename);
xbt_dynar_push(model_list, &surf_network_model);
- network_solve = lmm_solve;
update_model_description(surf_network_model_description,
surf_network_model_description_size,