X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/ab2a2facb2712c4f2eb91f9ab992dad388f78b74..a09b50911036ecabe4fb37671dd20b30ddbb5865:/src/surf/network.c diff --git a/src/surf/network.c b/src/surf/network.c index fec83e5071..3114caaddb 100644 --- a/src/surf/network.c +++ b/src/surf/network.c @@ -6,48 +6,56 @@ * under the terms of the license (GNU LGPL) which comes with this package. */ #include "network_private.h" +#include "xbt/log.h" +#include "xbt/str.h" -#define SG_TCP_CTE_GAMMA 20000.0 - -XBT_LOG_NEW_DEFAULT_SUBCATEGORY(network, surf, +XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_network, surf, "Logging specific to the SURF network module"); -surf_network_resource_t surf_network_resource = NULL; - -static xbt_dict_t network_link_set = NULL; +surf_network_model_t surf_network_model = NULL; +static lmm_system_t network_maxmin_system = NULL; +static void (*network_solve) (lmm_system_t) = NULL; +xbt_dict_t link_set = NULL; xbt_dict_t network_card_set = NULL; -static int card_number = 0; -static network_link_t **routing_table = NULL; -static int *routing_table_size = NULL; - -#define ROUTE(i,j) routing_table[(i)+(j)*card_number] -#define ROUTE_SIZE(i,j) routing_table_size[(i)+(j)*card_number] +double alpha_legrandvelho = 1; +double beta_legrandvelho = 0; +int card_number = 0; +int host_number = 0; +link_CM02_t **routing_table = NULL; +int *routing_table_size = NULL; +static link_CM02_t loopback = NULL; 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(link_CM02_t *, /*card_number * card_number */ host_number * host_number); + routing_table_size = xbt_new0(int, /*card_number * card_number*/ host_number * host_number); } -static void network_link_free(void *nw_link) +static void link_free(void *nw_link) { - xbt_free(nw_link); + free(((link_CM02_t) nw_link)->name); + xbt_dict_free(&(((link_CM02_t)nw_link)->properties)); + free(nw_link); } -static network_link_t network_link_new(const char *name, - xbt_maxmin_float_t bw_initial, - tmgr_trace_t bw_trace, - xbt_maxmin_float_t lat_initial, - tmgr_trace_t lat_trace, - e_surf_network_link_state_t - state_initial, - tmgr_trace_t state_trace) +static link_CM02_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) { - network_link_t nw_link = xbt_new0(s_network_link_t, 1); + link_CM02_t nw_link = xbt_new0(s_link_CM02_t, 1); + xbt_assert1(!xbt_dict_get_or_null(link_set, name), + "Link '%s' declared several times in the platform file.", name); - - nw_link->resource = (surf_resource_t) surf_network_resource; + nw_link->model = (surf_model_t) surf_network_model; nw_link->name = name; nw_link->bw_current = bw_initial; if (bw_trace) @@ -63,215 +71,260 @@ static network_link_t network_link_new(const char *name, 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(network_maxmin_system, nw_link, + nw_link->bw_current); + + if (policy == SURF_LINK_FATPIPE) + lmm_constraint_shared(nw_link->constraint); + + nw_link->properties = properties; - xbt_dict_set(network_link_set, name, nw_link, network_link_free); + current_property_set = properties; + + xbt_dict_set(link_set, name, nw_link, link_free); return nw_link; } -static int network_card_new(const char *card_name) +static void network_card_free(void *nw_card) { - network_card_t card = NULL; + free(((network_card_CM02_t) nw_card)->name); + free(nw_card); +} - xbt_dict_get(network_card_set, card_name, (void *) &card); +static int network_card_new(const char *card_name) +{ + network_card_CM02_t card = + xbt_dict_get_or_null(network_card_set, card_name); if (!card) { - card = xbt_new0(s_network_card_t, 1); + 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, NULL); + card->id = host_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, + link_CM02_t * link_list, int nb_link) { - network_link_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])); - xbt_free(links[i]); - } - xbt_free(links); + ROUTE(src_id, dst_id) = link_list = + xbt_realloc(link_list, sizeof(link_CM02_t) * nb_link); } -/* - 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) +static void parse_link_init(void) { - e_surf_token_t token; - char *name; - xbt_maxmin_float_t bw_initial; + char *name_link; + 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_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 = 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); - - token = surf_parse(); /* state_initial */ - xbt_assert1((token == TOKEN_WORD), "Parse error line %d", line_pos); - if (strcmp(surf_parse_text, "ON") == 0) - state_initial = SURF_NETWORK_LINK_ON; - else if (strcmp(surf_parse_text, "OFF") == 0) - 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_trace(&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()); - network_link_new(name, bw_initial, bw_trace, - lat_initial, lat_trace, state_initial, state_trace); } -/* - 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) -{ - 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); +static int src_id = -1; +static int dst_id = -1; - token = surf_parse(); - xbt_assert1((token == TOKEN_LP), "Parse error line %d", line_pos); +static void parse_route_set_endpoints(void) +{ + src_id = network_card_new(A_surfxml_route_src); + dst_id = network_card_new(A_surfxml_route_dst); + route_action = A_surfxml_route_action; +} - 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); - } +static void parse_route_set_route(void) +{ + char *name; + if (src_id != -1 && dst_id != -1) { + name = bprintf("%x#%x",src_id, dst_id); + manage_route(route_table, name, route_action, 0); + free(name); } - xbt_assert1((token == TOKEN_RP), "Parse error line %d", line_pos); - - if (!fake) - route_new(src_id, dst_id, link_name, nb_link); } -static void parse_file(const char *file) +static void add_loopback(void) { - 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(); + int i; + /* Adding loopback if needed */ + for (i = 0; i < host_number; i++) + if (!ROUTE_SIZE(i, i)) { + if (!loopback) + loopback = link_new(xbt_strdup("__MSG_loopback__"), + 498000000, NULL, 0.000015, NULL, + SURF_LINK_ON, NULL, + SURF_LINK_FATPIPE,NULL); + ROUTE_SIZE(i, i) = 1; + ROUTE(i, i) = xbt_new0(link_CM02_t, 1); + ROUTE(i, i)[0] = loopback; } - } - close_section("NETWORK"); - - /* 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(); +static void add_route(void) +{ + xbt_ex_t e; + int nb_link = 0; + unsigned int cpt = 0; + int link_list_capacity = 0; + link_CM02_t *link_list = NULL; + xbt_dict_cursor_t cursor = NULL; + char *key,*data, *end; + const char *sep = "#"; + xbt_dynar_t links, keys; + + if (routing_table == NULL) create_routing_table(); + + xbt_dict_foreach(route_table, cursor, key, data) { + char* link = NULL; + nb_link = 0; + links = (xbt_dynar_t)data; + keys = xbt_str_split_str(key, sep); + + link_list_capacity = xbt_dynar_length(links); + link_list = xbt_new(link_CM02_t, link_list_capacity); + + src_id = strtol(xbt_dynar_get_as(keys, 0, char*), &end, 16); + dst_id = strtol(xbt_dynar_get_as(keys, 1, char*), &end, 16); + xbt_dynar_free(&keys); + + xbt_dynar_foreach (links, cpt, link) { + TRY { + link_list[nb_link++] = xbt_dict_get(link_set, link); + } + CATCH(e) { + RETHROW1("Link %s not found (dict raised this exception: %s)", link); + } } - } - close_section("ROUTE"); + route_new(src_id, dst_id, link_list, nb_link); + } +} - create_routing_table(); +static void count_hosts(void) +{ + host_number++; +} - /* Building the routes */ - find_section(file, "ROUTE"); - while (1) { - token = surf_parse(); - if (token == TOKEN_END_SECTION) - break; - if (token == TOKEN_NEWLINE) - continue; +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_CM02_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_CM02_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_CM02_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); + } +} - if (token == TOKEN_WORD) - parse_route(0); - else { - CRITICAL1("Parse error line %d\n", line_pos); - xbt_abort(); - } - } - close_section("ROUTE"); +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_route_cb_list, &parse_route_set_endpoints); + surfxml_add_callback(ETag_surfxml_route_cb_list, &parse_route_set_route); + surfxml_add_callback(ETag_surfxml_platform_cb_list, &add_traces); + surfxml_add_callback(ETag_surfxml_platform_cb_list, &add_route); + surfxml_add_callback(ETag_surfxml_platform_cb_list, &add_loopback); } static void *name_service(const char *name) { - network_card_t card = NULL; - - xbt_dict_get(network_card_set, name, (void *) &card); - + network_card_CM02_t card = xbt_dict_get_or_null(network_card_set, name); return 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); + return lmm_constraint_used(network_maxmin_system, + ((link_CM02_t) resource_id)-> + constraint); } -static void action_free(surf_action_t action) +static int 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); - xbt_free(action); + action->refcount --; + if (!action->refcount ) { + xbt_swag_remove(action, action->state_set); + if (((surf_action_network_CM02_t) action)->variable) + lmm_variable_free(network_maxmin_system, + ((surf_action_network_CM02_t) action)->variable); + free(action); + return 1; + } + return 0; +} - return; +static void action_use(surf_action_t action) +{ + action->refcount ++; } static void action_cancel(surf_action_t action) @@ -287,112 +340,150 @@ static void action_recycle(surf_action_t action) 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(network_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_model->common_public->states.running_action_set; + double min; + + min = generic_maxmin_share_resources(running_actions, + xbt_swag_offset(s_action, + variable), + network_maxmin_system, + network_solve); + +#define VARIABLE(action) (*((lmm_variable_t*)(((char *) (action)) + 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 = - surf_network_resource->common_public->states.failed_action_set; + surf_network_model->common_public->states.running_action_set; + /* + xbt_swag_t failed_actions = + surf_network_model->common_public->states.failed_action_set; + */ xbt_swag_foreach_safe(action, next_action, running_actions) { deltap = delta; if (action->latency > 0) { if (action->latency > deltap) { - action->latency -= deltap; + double_update(&(action->latency), deltap); deltap = 0.0; } else { - deltap -= action->latency; + double_update(&(deltap), action->latency); action->latency = 0.0; } + if ((action->latency == 0.0) && !(action->suspended)) + lmm_update_variable_weight(network_maxmin_system, action->variable, + action->lat_current); } - action->generic_action.remains -= - lmm_variable_getvalue(action->variable) * deltap; + double_update(&(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; - -/* if(action->generic_action.remains<.00001) action->generic_action.remains=0; */ + double_update(&(action->generic_action.max_duration), delta); - if (action->generic_action.remains <= 0) { + if ((action->generic_action.remains <= 0) && + (lmm_get_variable_weight(action->variable) > 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)) { action->generic_action.finish = surf_get_clock(); 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; - - while ((cnst = - lmm_get_cnst_from_var(maxmin_system, action->variable, - i++))) { - nw_link = lmm_constraint_id(cnst); - if (nw_link->state_current == SURF_NETWORK_LINK_OFF) { - action->generic_action.finish = surf_get_clock(); - action_change_state((surf_action_t) action, SURF_ACTION_FAILED); - break; - } - } } } - 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, double date) { - 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); */ + 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, + lmm_update_constraint_bound(network_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; + lmm_element_t elem = 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)) { + while ((var= lmm_get_var_from_cnst + (network_maxmin_system, nw_link->constraint, &elem))) { action = lmm_variable_id(var); action->lat_current += delta; - lmm_update_variable_bound(maxmin_system, var, - 1 / (action->lat_current)); + 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*alpha_legrandvelho, + 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_NETWORK_LINK_ON; - else - nw_link->state_current = SURF_NETWORK_LINK_OFF; + nw_link->state_current = SURF_LINK_ON; + else { + lmm_constraint_t cnst = nw_link->constraint; + lmm_variable_t var = NULL; + lmm_element_t elem = NULL; + + nw_link->state_current = SURF_LINK_OFF; + while ((var= lmm_get_var_from_cnst + (network_maxmin_system, cnst, &elem))) { + surf_action_t action = lmm_variable_id(var) ; + + if(surf_action_get_state(action)==SURF_ACTION_RUNNING || + surf_action_get_state(action)==SURF_ACTION_READY) { + action->finish = date; + action_change_state( action, SURF_ACTION_FAILED); + } + } + } } else { CRITICAL0("Unknown event ! \n"); xbt_abort(); @@ -401,123 +492,392 @@ static void update_resource_state(void *id, 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; + surf_action_network_CM02_t action = NULL; + /* LARGE PLATFORMS HACK: + Add a link_CM02_t *link and a int link_nb to network_card_CM02_t. It will represent local links for this node + Use the cluster_id for ->id */ + 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_t *route = ROUTE(card_src->id, card_dst->id); + link_CM02_t *route = ROUTE(card_src->id, card_dst->id); + /* LARGE PLATFORMS HACK: + total_route_size = route_size + src->link_nb + dst->nb */ int i; - action = xbt_new0(s_surf_action_network_t, 1); + XBT_IN4("(%s,%s,%g,%g)", card_src->name, card_dst->name, size, rate); + /* LARGE PLATFORMS HACK: + assert on total_route_size */ + xbt_assert2(route_size, + "You're trying to send data from %s to %s but there is no connexion between these two cards.", + card_src->name, card_dst->name); + action = xbt_new0(s_surf_action_network_CM02_t, 1); + + action->generic_action.refcount = 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.start = surf_get_clock(); 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.model_type = + (surf_model_t) surf_network_model; + action->suspended = 0; /* Should be useless because of the + calloc but it seems to help valgrind... */ action->generic_action.state_set = - surf_network_resource->common_public->states.running_action_set; - + surf_network_model->common_public->states.running_action_set; + for (i = 0; i < route_size; i++) + if(route[i]->state_current == SURF_LINK_OFF) { + action->generic_action.state_set = + surf_network_model->common_public->states.failed_action_set; + break; + } + 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++) action->latency += route[i]->lat_current; + /* LARGE PLATFORMS HACK: + Add src->link and dst->link latencies */ action->lat_current = action->latency; - lmm_update_variable_bound(maxmin_system, action->variable, - SG_TCP_CTE_GAMMA / action->lat_current); + + /* LARGE PLATFORMS HACK: + lmm_variable_new(..., total_route_size)*/ + if (action->latency > 0) + action->variable = + lmm_variable_new(network_maxmin_system, action, 0.0, -1.0, + route_size); + else + action->variable = + lmm_variable_new(network_maxmin_system, action, 1.0, -1.0, + route_size); + + if (action->rate < 0) { + if (action->lat_current > 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, + -1.0); + } else { + if (action->lat_current > 0) + lmm_update_variable_bound(network_maxmin_system, action->variable, + min(action->rate*alpha_legrandvelho, + SG_TCP_CTE_GAMMA / (2.0 * + action-> + lat_current))); + else + lmm_update_variable_bound(network_maxmin_system, action->variable, + action->rate*alpha_legrandvelho); + } + lmm_update_variable_latency(network_maxmin_system, action->variable, + action->latency); + + for (i = 0; i < route_size; i++) + lmm_expand(network_maxmin_system, route[i]->constraint, + action->variable, 1.0); + /* LARGE PLATFORMS HACK: + expand also with src->link and dst->link */ + + XBT_OUT; return (surf_action_t) action; } +/* returns an array of link_CM02_t */ +static const void **get_route(void *src, void *dst) +{ + network_card_CM02_t card_src = src; + network_card_CM02_t card_dst = dst; + return (const void **) ROUTE(card_src->id, card_dst->id); +} + +static int get_route_size(void *src, void *dst) +{ + network_card_CM02_t card_src = src; + network_card_CM02_t card_dst = dst; + return ROUTE_SIZE(card_src->id, card_dst->id); +} + +static const char *get_link_name(const void *link) +{ + return ((link_CM02_t) link)->name; +} + +static double get_link_bandwidth(const void *link) +{ + return ((link_CM02_t) link)->bw_current; +} + +static double get_link_latency(const void *link) +{ + return ((link_CM02_t) link)->lat_current; +} + +static int link_shared(const void *link) +{ + return lmm_constraint_is_shared(((link_CM02_t) link)->constraint); +} + +static xbt_dict_t get_properties(void *link) +{ + return ((link_CM02_t) link)->properties; +} + +static void action_suspend(surf_action_t action) +{ + ((surf_action_network_CM02_t) action)->suspended = 1; + lmm_update_variable_weight(network_maxmin_system, + ((surf_action_network_CM02_t) action)-> + variable, 0.0); +} + +static void action_resume(surf_action_t action) +{ + if (((surf_action_network_CM02_t) action)->suspended) { + lmm_update_variable_weight(network_maxmin_system, + ((surf_action_network_CM02_t) action)-> + variable, + ((surf_action_network_CM02_t) action)-> + lat_current); + ((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 action_set_max_duration(surf_action_t action, double duration) +{ + action->max_duration = duration; +} + 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. + xbt_dict_free(&link_set); + xbt_swag_free(surf_network_model->common_public->states. ready_action_set); - xbt_swag_free(surf_network_resource->common_public->states. + xbt_swag_free(surf_network_model->common_public->states. running_action_set); - xbt_swag_free(surf_network_resource->common_public->states. + xbt_swag_free(surf_network_model->common_public->states. failed_action_set); - xbt_swag_free(surf_network_resource->common_public->states. + xbt_swag_free(surf_network_model->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; + free(surf_network_model->common_public); + free(surf_network_model->common_private); + free(surf_network_model->extension_public); + + free(surf_network_model); + surf_network_model = NULL; + + loopback = NULL; + for (i = 0; i < host_number; i++) + for (j = 0; j < host_number; j++) + free(ROUTE(i, j)); + free(routing_table); + routing_table = NULL; + free(routing_table_size); + routing_table_size = NULL; + host_number = 0; + lmm_system_free(network_maxmin_system); + network_maxmin_system = NULL; } -static void surf_network_resource_init_internal(void) +static void surf_network_model_init_internal(void) { s_surf_action_t action; - surf_network_resource = xbt_new0(s_surf_network_resource_t, 1); + surf_network_model = xbt_new0(s_surf_network_model_t, 1); - surf_network_resource->common_private = - 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_model->common_private = + xbt_new0(s_surf_model_private_t, 1); + surf_network_model->common_public = + xbt_new0(s_surf_model_public_t, 1); + surf_network_model->extension_public = + xbt_new0(s_surf_network_model_extension_public_t, 1); - surf_network_resource->common_public->states.ready_action_set = + surf_network_model->common_public->states.ready_action_set = xbt_swag_new(xbt_swag_offset(action, state_hookup)); - surf_network_resource->common_public->states.running_action_set = + surf_network_model->common_public->states.running_action_set = xbt_swag_new(xbt_swag_offset(action, state_hookup)); - surf_network_resource->common_public->states.failed_action_set = + surf_network_model->common_public->states.failed_action_set = xbt_swag_new(xbt_swag_offset(action, state_hookup)); - surf_network_resource->common_public->states.done_action_set = + surf_network_model->common_public->states.done_action_set = xbt_swag_new(xbt_swag_offset(action, state_hookup)); - surf_network_resource->common_public->name_service = name_service; - surf_network_resource->common_public->get_resource_name = + surf_network_model->common_public->name_service = name_service; + surf_network_model->common_public->get_resource_name = get_resource_name; - surf_network_resource->common_public->action_get_state = + surf_network_model->common_public->action_get_state = surf_action_get_state; - surf_network_resource->common_public->action_free = action_free; - surf_network_resource->common_public->action_cancel = action_cancel; - surf_network_resource->common_public->action_recycle = action_recycle; - surf_network_resource->common_public->action_change_state = + surf_network_model->common_public->action_get_start_time = + surf_action_get_start_time; + surf_network_model->common_public->action_get_finish_time = + surf_action_get_finish_time; + surf_network_model->common_public->action_free = action_free; + surf_network_model->common_public->action_use = action_use; + surf_network_model->common_public->action_cancel = action_cancel; + surf_network_model->common_public->action_recycle = action_recycle; + surf_network_model->common_public->action_change_state = action_change_state; - surf_network_resource->common_public->name = "network"; + surf_network_model->common_public->action_set_data = + surf_action_set_data; + surf_network_model->common_public->name = "network"; - surf_network_resource->common_private->resource_used = resource_used; - surf_network_resource->common_private->share_resources = share_resources; - surf_network_resource->common_private->update_actions_state = + surf_network_model->common_private->resource_used = resource_used; + surf_network_model->common_private->share_resources = share_resources; + surf_network_model->common_private->update_actions_state = update_actions_state; - surf_network_resource->common_private->update_resource_state = + surf_network_model->common_private->update_resource_state = update_resource_state; - surf_network_resource->common_private->finalize = finalize; + surf_network_model->common_private->finalize = finalize; + + surf_network_model->common_public->suspend = action_suspend; + surf_network_model->common_public->resume = action_resume; + surf_network_model->common_public->is_suspended = action_is_suspended; + surf_cpu_model->common_public->set_max_duration = + action_set_max_duration; + + surf_network_model->extension_public->communicate = communicate; + surf_network_model->extension_public->get_route = get_route; + surf_network_model->extension_public->get_route_size = get_route_size; + surf_network_model->extension_public->get_link_name = get_link_name; + surf_network_model->extension_public->get_link_bandwidth = + get_link_bandwidth; + surf_network_model->extension_public->get_link_latency = + get_link_latency; + surf_network_model->extension_public->link_shared = + link_shared; + + surf_network_model->common_public->get_properties = get_properties; + + link_set = xbt_dict_new(); + network_card_set = xbt_dict_new(); - surf_network_resource->extension_public->communicate = communicate; + if (!network_maxmin_system) + network_maxmin_system = lmm_system_new(); +} - network_link_set = xbt_dict_new(); - network_card_set = xbt_dict_new(); +/***************************************************************************/ +/* New TCP sharing model based on thesis experimantation and discussions. */ +/***************************************************************************/ +void surf_network_model_init_LegrandVelho(const char *filename) +{ + if (surf_network_model) + return; + surf_network_model_init_internal(); + define_callbacks(filename); + xbt_dynar_push(model_list, &surf_network_model); + network_solve = lmm_solve; + alpha_legrandvelho = 0.92; + beta_legrandvelho = 10.4; + update_model_description(surf_network_model_description, + "LegrandVelho", + (surf_model_t) surf_network_model); + INFO0("LegrandVelho Model was chosen!!"); +} + +/***************************************************************************/ +/* 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_model_init_CM02(const char *filename) +{ + + if (surf_network_model) + return; + 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, + "CM02", + (surf_model_t) surf_network_model); +} + +void surf_network_model_init_Reno(const char *filename) +{ + if (surf_network_model) + return; + surf_network_model_init_internal(); + define_callbacks(filename); + + xbt_dynar_push(model_list, &surf_network_model); + lmm_set_default_protocol_function(func_reno_f, func_reno_fp, + func_reno_fpi); + network_solve = lagrange_solve; + + update_model_description(surf_network_model_description, + "Reno", + (surf_model_t) surf_network_model); +} + + +void surf_network_model_init_Reno2(const char *filename) +{ + if (surf_network_model) + return; + surf_network_model_init_internal(); + define_callbacks(filename); + + xbt_dynar_push(model_list, &surf_network_model); + lmm_set_default_protocol_function(func_reno2_f, func_reno2_fp, + func_reno2_fpi); + network_solve = lagrange_solve; + + update_model_description(surf_network_model_description, + "Reno2", + (surf_model_t) surf_network_model); +} + +void surf_network_model_init_Vegas(const char *filename) +{ + if (surf_network_model) + return; + surf_network_model_init_internal(); + define_callbacks(filename); + + xbt_dynar_push(model_list, &surf_network_model); + lmm_set_default_protocol_function(func_vegas_f, func_vegas_fp, + func_vegas_fpi); + network_solve = lagrange_solve; - xbt_assert0(maxmin_system, "surf_init has to be called first!"); + update_model_description(surf_network_model_description, + "Vegas", + (surf_model_t) surf_network_model); } -void surf_network_resource_init(const char *filename) +#ifdef HAVE_SDP + void surf_network_model_init_SDP(const char *filename) { - if (surf_network_resource) + if (surf_network_model) return; - surf_network_resource_init_internal(); - parse_file(filename); - xbt_dynar_push(resource_list, &surf_network_resource); + surf_network_model_init_internal(); + define_callbacks(filename); + + xbt_dynar_push(model_list, &surf_network_model); + network_solve = sdp_solve; + + update_model_description(surf_network_model_description, + "SDP", + (surf_model_t) surf_network_model); } +#endif