* under the terms of the license (GNU LGPL) which comes with this package. */
#include "network_private.h"
-#include "xbt/dict.h"
#define SG_TCP_CTE_GAMMA 20000.0
surf_network_resource_t surf_network_resource = NULL;
static xbt_dict_t network_link_set = NULL;
-static xbt_dict_t network_card_set = NULL;
+xbt_dict_t network_card_set = NULL;
static int card_number = 0;
-static network_link_t **routing_table = NULL;
+static network_link_CM02_t **routing_table = NULL;
static int *routing_table_size = NULL;
#define ROUTE(i,j) routing_table[(i)+(j)*card_number]
static void create_routing_table(void)
{
- routing_table = xbt_new0(network_link_t *,card_number*card_number);
- routing_table_size = xbt_new0(int,card_number*card_number);
+ routing_table = xbt_new0(network_link_CM02_t *, card_number * card_number);
+ routing_table_size = xbt_new0(int, card_number * card_number);
}
static void network_link_free(void *nw_link)
{
+ xbt_free(((network_link_CM02_t)nw_link)->name);
xbt_free(nw_link);
}
-static network_link_t network_link_new(const char *name,
- xbt_maxmin_float_t bw_initial,
+static network_link_CM02_t network_link_new(char *name,
+ double bw_initial,
tmgr_trace_t bw_trace,
- xbt_maxmin_float_t lat_initial,
+ double lat_initial,
tmgr_trace_t lat_trace,
- e_surf_network_link_state_t state_initial,
+ e_surf_network_link_state_t
+ state_initial,
tmgr_trace_t state_trace)
{
- network_link_t nw_link = xbt_new0(s_network_link_t, 1);
+ network_link_CM02_t nw_link = xbt_new0(s_network_link_CM02_t, 1);
+
-
nw_link->resource = (surf_resource_t) surf_network_resource;
nw_link->name = name;
nw_link->bw_current = bw_initial;
tmgr_history_add_trace(history, state_trace, 0.0, 0, nw_link);
nw_link->constraint =
- lmm_constraint_new(maxmin_system, nw_link,
- nw_link->bw_current);
+ lmm_constraint_new(maxmin_system, nw_link, nw_link->bw_current);
xbt_dict_set(network_link_set, name, nw_link, network_link_free);
return nw_link;
}
+static void network_card_free(void *nw_card)
+{
+ xbt_free(((network_card_CM02_t)nw_card)->name);
+ xbt_free(nw_card);
+}
+
static int network_card_new(const char *card_name)
{
- network_card_t card = NULL;
+ network_card_CM02_t card = NULL;
xbt_dict_get(network_card_set, card_name, (void *) &card);
- if(!card) {
- card = xbt_new0(s_network_card_t,1);
- card->name=xbt_strdup(card_name);
- card->id=card_number++;
- xbt_dict_set(network_card_set, card_name, card, NULL);
- }
+ if (!card) {
+ card = xbt_new0(s_network_card_CM02_t, 1);
+ card->name = xbt_strdup(card_name);
+ card->id = card_number++;
+ xbt_dict_set(network_card_set, card_name, card, network_card_free);
+ }
return card->id;
}
-static void route_new(int src_id, int dst_id,
- char* *links, int nb_link)
+static void route_new(int src_id, int dst_id, char **links, int nb_link)
{
- network_link_t *link_list = NULL;
- int i ;
+ network_link_CM02_t *link_list = NULL;
+ int i;
- ROUTE_SIZE(src_id,dst_id) = nb_link;
- link_list = (ROUTE(src_id,dst_id) = xbt_new0(network_link_t,nb_link));
- for(i=0; i < nb_link; i++) {
- xbt_dict_get(network_link_set,links[i], (void *) &(link_list[i]));
+ ROUTE_SIZE(src_id, dst_id) = nb_link;
+ link_list = (ROUTE(src_id, dst_id) = xbt_new0(network_link_CM02_t, nb_link));
+ for (i = 0; i < nb_link; i++) {
+ xbt_dict_get(network_link_set, links[i], (void *) &(link_list[i]));
xbt_free(links[i]);
}
- xbt_free(links);
+ xbt_free(links);
}
-/*
- Semantic: name initial bandwidth initial latency initial state
- bandwidth trace latency trace state trace
-
- Token: TOKEN_WORD TOKEN_WORD TOKEN_WORD TOKEN_WORD TOKEN_WORD TOKEN_WORD TOKEN_WORD
- Type: string float string float string ON/OFF string
-*/
static void parse_network_link(void)
{
- e_surf_token_t token;
char *name;
- xbt_maxmin_float_t bw_initial;
+ double bw_initial;
tmgr_trace_t bw_trace;
- xbt_maxmin_float_t lat_initial;
+ double lat_initial;
tmgr_trace_t lat_trace;
- e_surf_network_link_state_t state_initial;
+ e_surf_network_link_state_t state_initial = SURF_NETWORK_LINK_ON;
tmgr_trace_t state_trace;
- name = xbt_strdup(surf_parse_text);
-
- surf_parse_float(&bw_initial);
- surf_parse_trace(&bw_trace);
- surf_parse_float(&lat_initial);
- surf_parse_trace(&lat_trace);
+ name = xbt_strdup(A_network_link_name);
+ surf_parse_get_double(&bw_initial,A_network_link_bandwidth);
+ surf_parse_get_trace(&bw_trace, A_network_link_bandwidth_file);
+ surf_parse_get_double(&lat_initial,A_network_link_latency);
+ surf_parse_get_trace(&lat_trace, A_network_link_latency_file);
- token = surf_parse(); /* state_initial */
- xbt_assert1((token == TOKEN_WORD), "Parse error line %d", line_pos);
- if (strcmp(surf_parse_text, "ON") == 0)
+ xbt_assert0((A_network_link_state==A_network_link_state_ON)||
+ (A_network_link_state==A_network_link_state_OFF),
+ "Invalid state")
+ if (A_network_link_state==A_network_link_state_ON)
state_initial = SURF_NETWORK_LINK_ON;
- else if (strcmp(surf_parse_text, "OFF") == 0)
+ if (A_network_link_state==A_network_link_state_OFF)
state_initial = SURF_NETWORK_LINK_OFF;
- else {
- CRITICAL2("Invalid cpu state (line %d): %s neq ON or OFF\n", line_pos,
- surf_parse_text);
- xbt_abort();
- }
+ surf_parse_get_trace(&state_trace,A_network_link_state_file);
+
+ network_link_new(name, bw_initial, bw_trace,
+ lat_initial, lat_trace, state_initial, state_trace);
+}
- surf_parse_trace(&state_trace);
+static int nb_link = 0;
+static char **link_name = NULL;
+static int src_id = -1;
+static int dst_id = -1;
- network_link_new(name, bw_initial, bw_trace,
- lat_initial, lat_trace,
- state_initial, state_trace);
+static void parse_route_set_endpoints(void)
+{
+ src_id = network_card_new(A_route_src);
+ dst_id = network_card_new(A_route_dst);
+ nb_link = 0;
+ link_name = NULL;
}
-/*
- Semantic: source destination network
- links
-
- Token: TOKEN_WORD TOKEN_WORD TOKEN_LP TOKEN_WORD* TOKEN_RP
- Type: string string string
-*/
-static void parse_route(int fake)
+static void parse_route_elem(void)
{
- int src_id = -1;
- int dst_id = -1;
- int nb_link = 0;
- char **link_name = NULL;
- e_surf_token_t token;
-
- src_id = network_card_new(surf_parse_text);
-
- token = surf_parse();
- xbt_assert1((token == TOKEN_WORD), "Parse error line %d", line_pos);
- dst_id = network_card_new(surf_parse_text);
-
- token = surf_parse();
- xbt_assert1((token == TOKEN_LP), "Parse error line %d", line_pos);
-
- while((token = surf_parse())==TOKEN_WORD) {
- if(!fake) {
- nb_link++;
- link_name=xbt_realloc(link_name, (nb_link) * sizeof(char*));
- link_name[(nb_link)-1]=xbt_strdup(surf_parse_text);
- }
- }
- xbt_assert1((token == TOKEN_RP), "Parse error line %d", line_pos);
+ nb_link++;
+ link_name = xbt_realloc(link_name, (nb_link) * sizeof(char *));
+ link_name[(nb_link) - 1] = xbt_strdup(A_route_element_name);
+}
- if(!fake) route_new(src_id,dst_id,link_name, nb_link);
+static void parse_route_set_route(void)
+{
+ route_new(src_id, dst_id, link_name, nb_link);
}
static void parse_file(const char *file)
{
- e_surf_token_t token;
-
- /* Figuring out the network links in the system */
- find_section(file, "NETWORK");
- while (1) {
- token = surf_parse();
-
- if (token == TOKEN_END_SECTION)
- break;
- if (token == TOKEN_NEWLINE)
- continue;
-
- if (token == TOKEN_WORD)
- parse_network_link();
- else {
- CRITICAL1("Parse error line %d\n", line_pos);
- xbt_abort();
- }
- }
- close_section("NETWORK");
+ /* Figuring out the network links */
+ surf_parse_reset_parser();
+ ETag_network_link_fun=parse_network_link;
+ surf_parse_open(file);
+ xbt_assert1((!surf_parse()),"Parse error in %s",file);
+ surf_parse_close();
/* Figuring out the network cards used */
- find_section(file, "ROUTE");
- while (1) {
- token = surf_parse();
-
- if (token == TOKEN_END_SECTION)
- break;
- if (token == TOKEN_NEWLINE)
- continue;
-
- if (token == TOKEN_WORD)
- parse_route(1);
- else {
- CRITICAL1("Parse error line %d\n", line_pos);
- xbt_abort();
- }
- }
- close_section("ROUTE");
+ surf_parse_reset_parser();
+ STag_route_fun=parse_route_set_endpoints;
+ surf_parse_open(file);
+ xbt_assert1((!surf_parse()),"Parse error in %s",file);
+ surf_parse_close();
create_routing_table();
/* Building the routes */
- find_section(file, "ROUTE");
- while (1) {
- token = surf_parse();
-
- if (token == TOKEN_END_SECTION)
- break;
- if (token == TOKEN_NEWLINE)
- continue;
-
- if (token == TOKEN_WORD)
- parse_route(0);
- else {
- CRITICAL1("Parse error line %d\n", line_pos);
- xbt_abort();
- }
- }
- close_section("ROUTE");
+ surf_parse_reset_parser();
+ STag_route_fun=parse_route_set_endpoints;
+ ETag_route_element_fun=parse_route_elem;
+ ETag_route_fun=parse_route_set_route;
+ surf_parse_open(file);
+ xbt_assert1((!surf_parse()),"Parse error in %s",file);
+ surf_parse_close();
}
static void *name_service(const char *name)
{
- network_card_t card = NULL;
+ network_card_CM02_t card = NULL;
xbt_dict_get(network_card_set, name, (void *) &card);
static const char *get_resource_name(void *resource_id)
{
- return ((network_card_t) resource_id)->name;
+ return ((network_card_CM02_t) resource_id)->name;
}
static int resource_used(void *resource_id)
{
return lmm_constraint_used(maxmin_system,
- ((network_link_t) resource_id)->constraint);
+ ((network_link_CM02_t) resource_id)->constraint);
}
static void action_free(surf_action_t action)
{
- surf_action_network_t Action = (surf_action_network_t) action;
-
xbt_swag_remove(action, action->state_set);
- lmm_variable_free(maxmin_system, Action->variable);
+ if(((surf_action_network_CM02_t)action)->variable)
+ lmm_variable_free(maxmin_system, ((surf_action_network_CM02_t)action)->variable);
xbt_free(action);
return;
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_CM02_t)action)->variable) {
+ lmm_variable_disable(maxmin_system, ((surf_action_network_CM02_t)action)->variable);
+ ((surf_action_network_CM02_t)action)->variable = NULL;
+ }
+
surf_action_change_state(action, state);
return;
}
-static xbt_heap_float_t share_resources(xbt_heap_float_t now)
+static double share_resources(double now)
{
- s_surf_action_network_t action;
- return generic_maxmin_share_resources(surf_network_resource->common_public->states.running_action_set,
- xbt_swag_offset(action,variable));
-}
+ s_surf_action_network_CM02_t s_action;
+ surf_action_network_CM02_t action = NULL;
+ xbt_swag_t running_actions = surf_network_resource->common_public->states.running_action_set;
+ double min = generic_maxmin_share_resources(running_actions,
+ xbt_swag_offset(s_action, variable));
+ xbt_swag_foreach(action, running_actions) {
+ if(action->latency>0) {
+ if(min<0) min = action->latency;
+ else if (action->latency<min) min = action->latency;
+ }
+ }
+
+ return min;
+}
-static void update_actions_state(xbt_heap_float_t now,
- xbt_heap_float_t delta)
+static void update_actions_state(double now, double delta)
{
- xbt_heap_float_t deltap = 0.0;
- surf_action_network_t action = NULL;
- surf_action_network_t next_action = NULL;
+ double deltap = 0.0;
+ surf_action_network_CM02_t action = NULL;
+ surf_action_network_CM02_t next_action = NULL;
xbt_swag_t running_actions =
surf_network_resource->common_public->states.running_action_set;
xbt_swag_t failed_actions =
xbt_swag_foreach_safe(action, next_action, running_actions) {
deltap = delta;
- if(action->latency>0) {
- if(action->latency>deltap) {
- action->latency-=deltap;
+ if (action->latency > 0) {
+ if (action->latency > deltap) {
+ surf_double_update(&(action->latency),deltap);
deltap = 0.0;
} else {
- deltap -= action->latency;
+ surf_double_update(&(deltap), action->latency);
action->latency = 0.0;
}
+ if ((action->latency == 0.0) && !(action->suspended))
+ lmm_update_variable_weight(maxmin_system, action->variable, 1.0);
}
- action->generic_action.remains -=
- lmm_variable_getvalue(action->variable) * deltap;
- if(action->generic_action.max_duration!=NO_MAX_DURATION)
- action->generic_action.max_duration -= delta;
+ surf_double_update(&(action->generic_action.remains),
+ lmm_variable_getvalue(action->variable) * deltap);
+ if (action->generic_action.max_duration != NO_MAX_DURATION)
+ surf_double_update(&(action->generic_action.max_duration), delta);
-/* if(action->generic_action.remains<.00001) action->generic_action.remains=0; */
+ /* if(action->generic_action.remains<.00001) action->generic_action.remains=0; */
if (action->generic_action.remains <= 0) {
action->generic_action.finish = surf_get_clock();
action_change_state((surf_action_t) action, SURF_ACTION_DONE);
- } else if((action->generic_action.max_duration!=NO_MAX_DURATION) &&
- (action->generic_action.max_duration<=0)) {
+ } else if ((action->generic_action.max_duration != NO_MAX_DURATION) &&
+ (action->generic_action.max_duration <= 0)) {
action->generic_action.finish = surf_get_clock();
- action_change_state((surf_action_t) action, SURF_ACTION_DONE);
+ action_change_state((surf_action_t) action, SURF_ACTION_DONE);
} else { /* Need to check that none of the resource has failed */
lmm_constraint_t cnst = NULL;
int i = 0;
- network_link_t nw_link = NULL;
+ network_link_CM02_t nw_link = NULL;
while ((cnst =
lmm_get_cnst_from_var(maxmin_system, action->variable,
}
}
- xbt_swag_foreach_safe(action, next_action, failed_actions) {
- lmm_variable_disable(maxmin_system, action->variable);
- }
-
return;
}
static void update_resource_state(void *id,
tmgr_trace_event_t event_type,
- xbt_maxmin_float_t value)
+ double value)
{
- network_link_t nw_link = id;
-
-/* printf("[" XBT_HEAP_FLOAT_T "] Asking to update network card \"%s\" with value " */
-/* XBT_MAXMIN_FLOAT_T " for event %p\n", surf_get_clock(), nw_link->name, */
-/* value, event_type); */
+ network_link_CM02_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(maxmin_system, nw_link->constraint,
nw_link->bw_current);
} else if (event_type == nw_link->lat_event) {
- xbt_maxmin_float_t delta = value - nw_link->lat_current;
+ double delta = value - nw_link->lat_current;
lmm_variable_t var = NULL;
- surf_action_network_t action = NULL;
+ surf_action_network_CM02_t action = NULL;
nw_link->lat_current = value;
- while(lmm_get_var_from_cnst(maxmin_system, nw_link->constraint, &var)) {
- action = lmm_variable_id(var);
- action->lat_current+=delta;
- lmm_update_variable_bound(maxmin_system, var,
- 1/(action->lat_current));
+ while (lmm_get_var_from_cnst(maxmin_system, nw_link->constraint, &var)) {
+ action = lmm_variable_id(var);
+ action->lat_current += delta;
+ if(action->rate<0)
+ lmm_update_variable_bound(maxmin_system, action->variable,
+ SG_TCP_CTE_GAMMA / action->lat_current);
+ else
+ lmm_update_variable_bound(maxmin_system, action->variable,
+ min(action->rate,SG_TCP_CTE_GAMMA / action->lat_current));
}
} else if (event_type == nw_link->state_event) {
if (value > 0)
return;
}
-static surf_action_t communicate(void *src, void *dst,
- xbt_maxmin_float_t size)
+static surf_action_t communicate(void *src, void *dst, double size, double rate)
{
- surf_action_network_t action = NULL;
- network_card_t card_src = src;
- network_card_t card_dst = dst;
- int route_size = ROUTE_SIZE(card_src->id,card_dst->id);
- network_link_t *route = ROUTE(card_src->id,card_dst->id);
+ surf_action_network_CM02_t action = NULL;
+ network_card_CM02_t card_src = src;
+ network_card_CM02_t card_dst = dst;
+ int route_size = ROUTE_SIZE(card_src->id, card_dst->id);
+ network_link_CM02_t *route = ROUTE(card_src->id, card_dst->id);
int i;
- action = xbt_new0(s_surf_action_network_t, 1);
+ action = xbt_new0(s_surf_action_network_CM02_t, 1);
action->generic_action.cost = size;
action->generic_action.remains = size;
action->generic_action.max_duration = NO_MAX_DURATION;
action->generic_action.start = -1.0;
action->generic_action.finish = -1.0;
- action->generic_action.callback = NULL;
action->generic_action.resource_type =
(surf_resource_t) surf_network_resource;
action->generic_action.state_set =
- surf_network_resource->common_public->states.running_action_set;
+ surf_network_resource->common_public->states.running_action_set;
xbt_swag_insert(action, action->generic_action.state_set);
-
- action->variable = lmm_variable_new(maxmin_system, action, 1.0, -1.0,
- route_size);
- for(i=0; i<route_size; i++)
- lmm_expand(maxmin_system, route[i]->constraint, action->variable,
- 1.0);
+ action->rate = rate;
action->latency = 0.0;
- for(i=0; i<route_size; i++)
+ for (i = 0; i < route_size; i++)
action->latency += route[i]->lat_current;
action->lat_current = action->latency;
- lmm_update_variable_bound(maxmin_system, action->variable,
- SG_TCP_CTE_GAMMA/action->lat_current);
+
+ if(action->latency>0)
+ action->variable = lmm_variable_new(maxmin_system, action, 0.0, -1.0,
+ route_size);
+ else
+ action->variable = lmm_variable_new(maxmin_system, action, 1.0, -1.0,
+ route_size);
+
+ if(action->rate<0)
+ lmm_update_variable_bound(maxmin_system, action->variable,
+ SG_TCP_CTE_GAMMA / action->lat_current);
+ else
+ lmm_update_variable_bound(maxmin_system, action->variable,
+ min(action->rate,SG_TCP_CTE_GAMMA / action->lat_current));
+
+ if(route_size == 0) {
+ action_change_state((surf_action_t) action, SURF_ACTION_DONE);
+ }
+
+ for (i = 0; i < route_size; i++)
+ lmm_expand(maxmin_system, route[i]->constraint, action->variable, 1.0);
return (surf_action_t) action;
}
+static void action_suspend(surf_action_t action)
+{
+ ((surf_action_network_CM02_t) action)->suspended = 1;
+ lmm_update_variable_weight(maxmin_system,
+ ((surf_action_network_CM02_t) action)->variable, 0.0);
+}
+
+static void action_resume(surf_action_t action)
+{
+ lmm_update_variable_weight(maxmin_system,
+ ((surf_action_network_CM02_t) action)->variable, 1.0);
+ ((surf_action_network_CM02_t) action)->suspended = 0;
+}
+
+static int action_is_suspended(surf_action_t action)
+{
+ return ((surf_action_network_CM02_t) action)->suspended;
+}
+
static void finalize(void)
{
+ int i,j;
+
xbt_dict_free(&network_card_set);
xbt_dict_free(&network_link_set);
- xbt_swag_free(surf_network_resource->common_public->states.ready_action_set);
+ xbt_swag_free(surf_network_resource->common_public->states.
+ ready_action_set);
xbt_swag_free(surf_network_resource->common_public->states.
running_action_set);
xbt_swag_free(surf_network_resource->common_public->states.
failed_action_set);
- xbt_swag_free(surf_network_resource->common_public->states.done_action_set);
+ xbt_swag_free(surf_network_resource->common_public->states.
+ done_action_set);
xbt_free(surf_network_resource->common_public);
xbt_free(surf_network_resource->common_private);
xbt_free(surf_network_resource->extension_public);
xbt_free(surf_network_resource);
surf_network_resource = NULL;
+
+ for (i = 0; i < card_number; i++)
+ for (j = 0; j < card_number; j++)
+ xbt_free(ROUTE(i,j));
+ xbt_free(routing_table);
+ routing_table = NULL;
+ xbt_free(routing_table_size);
+ routing_table_size = NULL;
+ card_number = 0;
}
static void surf_network_resource_init_internal(void)
xbt_new0(s_surf_resource_private_t, 1);
surf_network_resource->common_public =
xbt_new0(s_surf_resource_public_t, 1);
-/* surf_network_resource->extension_private = xbt_new0(s_surf_network_resource_extension_private_t,1); */
surf_network_resource->extension_public =
xbt_new0(s_surf_network_resource_extension_public_t, 1);
surf_network_resource->common_public->action_recycle = action_recycle;
surf_network_resource->common_public->action_change_state =
action_change_state;
+ surf_network_resource->common_public->action_set_data = surf_action_set_data;
+ surf_network_resource->common_public->name = "network";
surf_network_resource->common_private->resource_used = resource_used;
surf_network_resource->common_private->share_resources = share_resources;
update_resource_state;
surf_network_resource->common_private->finalize = finalize;
+ surf_network_resource->common_public->suspend = action_suspend;
+ surf_network_resource->common_public->resume = action_resume;
+ surf_network_resource->common_public->is_suspended = action_is_suspended;
+
surf_network_resource->extension_public->communicate = communicate;
network_link_set = xbt_dict_new();
xbt_assert0(maxmin_system, "surf_init has to be called first!");
}
-void surf_network_resource_init(const char *filename)
+/***************************************************************************/
+/* The nice TCP sharing model designed by Loris Marchal and Henri Casanova */
+/***************************************************************************/
+/* @TechReport{ rr-lip2002-40, */
+/* author = {Henri Casanova and Loris Marchal}, */
+/* institution = {LIP}, */
+/* title = {A Network Model for Simulation of Grid Application}, */
+/* number = {2002-40}, */
+/* month = {oct}, */
+/* year = {2002} */
+/* } */
+void surf_network_resource_init_CM02(const char *filename)
{
+ if (surf_network_resource)
+ return;
surf_network_resource_init_internal();
parse_file(filename);
xbt_dynar_push(resource_list, &surf_network_resource);
