X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/9b9103db7f7aac95d28b162b7f78c6a946bba864..12c0f182635ed71b370d608b5b9a614153765cd4:/src/surf/workstation.c diff --git a/src/surf/workstation.c b/src/surf/workstation.c index 26d4602048..dbaf9ae184 100644 --- a/src/surf/workstation.c +++ b/src/surf/workstation.c @@ -1,277 +1,653 @@ -/* $Id$ */ - -/* Copyright (c) 2004 Arnaud Legrand. All rights reserved. */ +/* Copyright (c) 2004, 2005, 2006, 2007, 2008, 2009, 2010. The SimGrid Team. + * All rights reserved. */ /* This program is free software; you can redistribute it and/or modify it * under the terms of the license (GNU LGPL) which comes with this package. */ +#include "xbt/ex.h" #include "xbt/dict.h" +#include "portable.h" +#include "surf_private.h" +#include "storage_private.h" +#include "surf/surf_resource.h" +#include "simgrid/sg_config.h" #include "workstation_private.h" -#include "cpu_private.h" -#include "network_private.h" +#include "vm_workstation_private.h" +#include "cpu_cas01_private.h" +#include "maxmin_private.h" -XBT_LOG_NEW_DEFAULT_SUBCATEGORY(workstation, surf, - "Logging specific to the SURF workstation module"); +XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_workstation, surf, + "Logging specific to the SURF workstation module"); -surf_workstation_resource_t surf_workstation_resource = NULL; +surf_model_t surf_workstation_model = NULL; -xbt_dict_t workstation_set = NULL; -static workstation_t workstation_new(const char *name, - void *cpu, void *card) +static void workstation_new(sg_platf_host_cbarg_t host) { - workstation_t workstation = xbt_new0(s_workstation_t, 1); + const char *name = host->id; + + /* NOTE: The properties object is NULL, because the current code uses that of + * that of a cpu resource. */ + workstation_CLM03_t ws = (workstation_CLM03_t) surf_resource_new(sizeof(s_workstation_CLM03_t), surf_workstation_model, name, NULL); - workstation->resource = (surf_resource_t) surf_workstation_resource; - workstation->name = xbt_strdup(name); - workstation->cpu = cpu; - workstation->network_card = card; + ws->storage = xbt_lib_get_or_null(storage_lib, name, ROUTING_STORAGE_HOST_LEVEL); + ws->net_elm = xbt_lib_get_or_null(host_lib, name, ROUTING_HOST_LEVEL); - return workstation; + XBT_DEBUG("Create ws %s with %ld mounted disks", name, xbt_dynar_length(ws->storage)); + xbt_lib_set(host_lib, name, SURF_WKS_LEVEL, ws); } -static void workstation_free(void *workstation) +static void ws_parallel_action_cancel(surf_action_t action) { - xbt_free(((workstation_t)workstation)->name); - xbt_free(workstation); + THROW_UNIMPLEMENTED; /* This model does not implement parallel tasks */ } -static void create_workstations(void) +static int ws_parallel_action_free(surf_action_t action) { - xbt_dict_cursor_t cursor = NULL; - char *name = NULL; - void *cpu = NULL; - void *nw_card = NULL; + THROW_UNIMPLEMENTED; /* This model does not implement parallel tasks */ + return -1; +} - xbt_dict_foreach(cpu_set, cursor, name, cpu) { - nw_card = NULL; - xbt_dict_get(network_card_set, name, (void *) &nw_card); - xbt_assert0(nw_card, "No corresponding card found"); - xbt_dict_set(workstation_set, name, - workstation_new(name, cpu, nw_card), workstation_free); - } +int ws_action_unref(surf_action_t action) +{ + if (action->model_obj->type == SURF_MODEL_TYPE_NETWORK) + return surf_network_model->action_unref(action); + else if (action->model_obj->type == SURF_MODEL_TYPE_CPU) + return action->model_obj->action_unref(action); + // previously was: Adrien/Arnaud 6 feb + // surf_cpu_model->action_unref(action); + else if (action->model_obj->type == SURF_MODEL_TYPE_WORKSTATION) + return ws_parallel_action_free(action); + else + DIE_IMPOSSIBLE; + return 0; +} + +void ws_action_cancel(surf_action_t action) +{ + if (action->model_obj->type == SURF_MODEL_TYPE_NETWORK) + surf_network_model->action_cancel(action); + else if (action->model_obj->type == SURF_MODEL_TYPE_CPU) + action->model_obj->action_cancel(action); + else if (action->model_obj->type == SURF_MODEL_TYPE_WORKSTATION) + ws_parallel_action_cancel(action); + else + DIE_IMPOSSIBLE; + return; } -static void *name_service(const char *name) +static void ws_action_state_set(surf_action_t action, + e_surf_action_state_t state) { - void *workstation = NULL; + if (action->model_obj->type == SURF_MODEL_TYPE_NETWORK) + surf_network_model->action_state_set(action, state); + else if (action->model_obj->type == SURF_MODEL_TYPE_CPU) + action->model_obj->action_state_set(action, state); + else if (action->model_obj->type == SURF_MODEL_TYPE_WORKSTATION) + surf_action_state_set(action, state); + else + DIE_IMPOSSIBLE; + return; +} - xbt_dict_get(workstation_set, name, &workstation); - return workstation; +/* -- The callback functions at model_private -- */ +/* These callbacks are also used for the vm workstation model. */ +int ws_resource_used(void *resource_id) +{ + /* This model does not implement parallel tasks */ + THROW_IMPOSSIBLE; + return -1; } -static const char *get_resource_name(void *resource_id) + +/* TODO: The current code would be slow due to the iteration. Later, we can + * make it faster. */ +static int constraint_is_active(cpu_Cas01_t cpu_cas01) { - return ((workstation_t) resource_id)->name; + surf_model_t cpu_model = cpu_cas01->generic_resource.model; + lmm_system_t sys = cpu_model->model_private->maxmin_system; + int found = 0; + lmm_constraint_t cnst_tmp; + + xbt_swag_foreach(cnst_tmp, &sys->active_constraint_set) { + if (cnst_tmp == cpu_cas01->constraint) { + found = 1; + break; + } + } + + return found; } -static int resource_used(void *resource_id) +/* Each VM has a dummy CPU action on the PM layer. This CPU action works as the + * constraint (capacity) of the VM in the PM layer. If the VM does not have any + * active task, the dummy CPU action must be deactivated, so that the VM does + * not get any CPU share in the PM layer. */ +static void adjust_weight_of_dummy_cpu_actions(void) { - xbt_assert0(0, - "Workstation is a virtual resource. I should not be there!"); - return 0; + /* iterate for all hosts including virtual machines */ + xbt_lib_cursor_t cursor; + char *key; + void **ind_host; + + xbt_lib_foreach(host_lib, cursor, key, ind_host) { + workstation_CLM03_t ws_clm03 = ind_host[SURF_WKS_LEVEL]; + cpu_Cas01_t cpu_cas01 = ind_host[SURF_CPU_LEVEL]; + + if (!ws_clm03) + continue; + /* skip if it is not a virtual machine */ + if (ws_clm03->generic_resource.model != surf_vm_workstation_model) + continue; + xbt_assert(cpu_cas01, "cpu-less workstation"); + + /* It is a virtual machine, so we can cast it to workstation_VM2013_t */ + workstation_VM2013_t ws_vm2013 = (workstation_VM2013_t) ws_clm03; + + if (constraint_is_active(cpu_cas01)) { + /* some tasks exist on this VM */ + XBT_DEBUG("set the weight of the dummy CPU action on PM to 1"); + + /* FIXME: we shoud use lmm_update_variable_weight() ? */ + /* FIXME: If we assgign 1.05 and 0.05, the system makes apparently wrong values. */ + surf_action_set_priority(ws_vm2013->cpu_action, 1); + + } else { + /* no task exits on this VM */ + XBT_DEBUG("set the weight of the dummy CPU action on PM to 0"); + + surf_action_set_priority(ws_vm2013->cpu_action, 0); + } + } } -static void action_free(surf_action_t action) + +double ws_share_resources(surf_model_t workstation_model, double now) { - return; + if (workstation_model->type == SURF_MODEL_TYPE_WORKSTATION) + adjust_weight_of_dummy_cpu_actions(); + + /* Invoke the share_resources() callback of the physical cpu model object and + * the network model objects. */ + surf_model_t cpu_model = workstation_model->extension.workstation.cpu_model; + surf_model_t net_model = surf_network_model; + + double min_by_cpu = cpu_model->model_private->share_resources(cpu_model, now); + double min_by_net = net_model->model_private->share_resources(net_model, now); + + XBT_DEBUG("model %p, %s min_by_cpu %f, %s min_by_net %f", + workstation_model, cpu_model->name, min_by_cpu, net_model->name, min_by_net); + + if (min_by_cpu >= 0.0 && min_by_net >= 0.0) + return min(min_by_cpu, min_by_net); + else if (min_by_cpu >= 0.0) + return min_by_cpu; + else if (min_by_net >= 0.0) + return min_by_net; + else + return min_by_cpu; /* probably min_by_cpu == min_by_net == -1 */ } -static void action_cancel(surf_action_t action) +void ws_update_actions_state(surf_model_t workstation_model, double now, double delta) { return; } -static void action_recycle(surf_action_t action) +void ws_update_resource_state(void *id, tmgr_trace_event_t event_type, double value, double date) { - return; + /* This model does not implement parallel tasks */ + THROW_IMPOSSIBLE; } -static void action_change_state(surf_action_t action, - e_surf_action_state_t state) +void ws_finalize(surf_model_t workstation_model) { - surf_action_change_state(action, state); - return; + surf_model_exit(workstation_model); + workstation_model = NULL; } -static double share_resources(double now) + + +surf_action_t ws_execute(void *workstation, double size) { - return -1.0; + surf_resource_t cpu = ((surf_resource_t) surf_cpu_resource_priv(workstation)); + return cpu->model->extension.cpu.execute(workstation, size); } +surf_action_t ws_action_sleep(void *workstation, double duration) +{ + surf_resource_t cpu = ((surf_resource_t) surf_cpu_resource_priv(workstation)); + return cpu->model->extension.cpu.sleep(workstation, duration); +} -static void update_actions_state(double now, double delta) +void ws_action_suspend(surf_action_t action) { - return; + if (action->model_obj->type == SURF_MODEL_TYPE_NETWORK) + surf_network_model->suspend(action); + else if (action->model_obj->type == SURF_MODEL_TYPE_CPU) + action->model_obj->suspend(action); + else + DIE_IMPOSSIBLE; } -static void update_resource_state(void *id, - tmgr_trace_event_t event_type, - double value) +void ws_action_resume(surf_action_t action) { - return; + if (action->model_obj->type == SURF_MODEL_TYPE_NETWORK) + surf_network_model->resume(action); + else if (action->model_obj->type == SURF_MODEL_TYPE_CPU) + action->model_obj->resume(action); + else + DIE_IMPOSSIBLE; } -static surf_action_t execute(void *workstation, double size) +static int ws_action_is_suspended(surf_action_t action) { - return surf_cpu_resource->extension_public-> - execute(((workstation_t) workstation)->cpu, size); + if (action->model_obj->type == SURF_MODEL_TYPE_NETWORK) + return surf_network_model->is_suspended(action); + if (action->model_obj->type == SURF_MODEL_TYPE_CPU) + return action->model_obj->is_suspended(action); + DIE_IMPOSSIBLE; + return -1; } -static surf_action_t action_sleep(void *workstation, double duration) +static void ws_action_set_max_duration(surf_action_t action, + double duration) { - return surf_cpu_resource->extension_public-> - sleep(((workstation_t) workstation)->cpu, duration); + if (action->model_obj->type == SURF_MODEL_TYPE_NETWORK) + surf_network_model->set_max_duration(action, duration); + else if (action->model_obj->type == SURF_MODEL_TYPE_CPU) + action->model_obj->set_max_duration(action, duration); + else + DIE_IMPOSSIBLE; } -static void action_suspend(surf_action_t action) +void ws_action_set_priority(surf_action_t action, double priority) { - xbt_assert0(action->resource_type == - ((surf_resource_t) surf_cpu_resource), - "Resource type mismatch"); - surf_cpu_resource->extension_public->suspend(action); + if (action->model_obj->type == SURF_MODEL_TYPE_NETWORK) + surf_network_model->set_priority(action, priority); + else if (action->model_obj->type == SURF_MODEL_TYPE_CPU) + action->model_obj->set_priority(action, priority); + else + DIE_IMPOSSIBLE; } -static void action_resume(surf_action_t action) +void ws_action_set_bound(surf_action_t action, double bound) { - xbt_assert0(action->resource_type == - ((surf_resource_t) surf_cpu_resource), - "Resource type mismatch"); - surf_cpu_resource->extension_public->resume(action); + /* FIXME: only for CPU model object? */ + if (action->model_obj->type == SURF_MODEL_TYPE_NETWORK) + surf_network_model->set_bound(action, bound); + else if (action->model_obj->type == SURF_MODEL_TYPE_CPU) + action->model_obj->set_bound(action, bound); + else + DIE_IMPOSSIBLE; } -static int action_is_suspended(surf_action_t action) +#ifdef HAVE_TRACING +static void ws_action_set_category(surf_action_t action, const char *category) { - if(action->resource_type==(surf_resource_t)surf_network_resource) + if (action->model_obj->type == SURF_MODEL_TYPE_NETWORK) + surf_network_model->set_category(action, category); + else if (action->model_obj->type == SURF_MODEL_TYPE_CPU) + action->model_obj->set_category(action, category); + else + DIE_IMPOSSIBLE; +} +#endif + +#ifdef HAVE_LATENCY_BOUND_TRACKING +static int ws_get_latency_limited(surf_action_t action) +{ + if (action->model_obj->type == SURF_MODEL_TYPE_NETWORK) + return surf_network_model->get_latency_limited(action); + else return 0; - if(action->resource_type==(surf_resource_t)surf_cpu_resource) - return surf_cpu_resource->extension_public->is_suspended(action); +} +#endif + +double ws_action_get_remains(surf_action_t action) +{ + if (action->model_obj->type == SURF_MODEL_TYPE_NETWORK) + return surf_network_model->get_remains(action); + if (action->model_obj->type == SURF_MODEL_TYPE_CPU) + return action->model_obj->get_remains(action); DIE_IMPOSSIBLE; + return -1.0; +} + +static surf_action_t ws_communicate(void *workstation_src, + void *workstation_dst, double size, + double rate) +{ + workstation_CLM03_t src = surf_workstation_resource_priv(workstation_src); + workstation_CLM03_t dst = surf_workstation_resource_priv(workstation_dst); + return surf_network_model->extension.network. + communicate(src->net_elm, + dst->net_elm, size, rate); +} + +e_surf_resource_state_t ws_get_state(void *workstation) +{ + surf_resource_t cpu = ((surf_resource_t) surf_cpu_resource_priv(workstation)); + return cpu->model->extension.cpu.get_state(workstation); +} + +static void ws_set_state(void *workstation, e_surf_resource_state_t state) +{ + surf_resource_t cpu = ((surf_resource_t) surf_cpu_resource_priv(workstation)); + cpu->model->extension.cpu.set_state(workstation, state); +} + +double ws_get_speed(void *workstation, double load) +{ + surf_resource_t cpu = ((surf_resource_t) surf_cpu_resource_priv(workstation)); + return cpu->model->extension.cpu.get_speed(workstation, load); +} + +static int ws_get_core(void *workstation) +{ + surf_resource_t cpu = ((surf_resource_t) surf_cpu_resource_priv(workstation)); + return cpu->model->extension.cpu.get_core(workstation); +} +static double ws_get_available_speed(void *workstation) +{ + surf_resource_t cpu = ((surf_resource_t) surf_cpu_resource_priv(workstation)); + return cpu->model->extension.cpu.get_available_speed(workstation); +} + +static surf_action_t ws_execute_parallel_task(int workstation_nb, + void **workstation_list, + double *computation_amount, + double *communication_amount, + double rate) +{ +#define cost_or_zero(array,pos) ((array)?(array)[pos]:0.0) + if ((workstation_nb == 1) + && (cost_or_zero(communication_amount, 0) == 0.0)) + return ws_execute(workstation_list[0], computation_amount[0]); + else if ((workstation_nb == 1) + && (cost_or_zero(computation_amount, 0) == 0.0)) + return ws_communicate(workstation_list[0], workstation_list[0],communication_amount[0], rate); + else if ((workstation_nb == 2) + && (cost_or_zero(computation_amount, 0) == 0.0) + && (cost_or_zero(computation_amount, 1) == 0.0)) { + int i,nb = 0; + double value = 0.0; + + for (i = 0; i < workstation_nb * workstation_nb; i++) { + if (cost_or_zero(communication_amount, i) > 0.0) { + nb++; + value = cost_or_zero(communication_amount, i); + } + } + if (nb == 1) + return ws_communicate(workstation_list[0], workstation_list[1],value, rate); + } +#undef cost_or_zero + + THROW_UNIMPLEMENTED; /* This model does not implement parallel tasks */ + return NULL; +} + + +/* returns an array of network_link_CM02_t */ +static xbt_dynar_t ws_get_route(void *workstation_src, void *workstation_dst) +{ + XBT_DEBUG("ws_get_route"); + workstation_CLM03_t src = surf_workstation_resource_priv(workstation_src); + workstation_CLM03_t dst = surf_workstation_resource_priv(workstation_dst); + return surf_network_model->extension. + network.get_route(src->net_elm, + dst->net_elm); +} + +static double ws_get_link_bandwidth(const void *link) +{ + return surf_network_model->extension.network.get_link_bandwidth(link); +} + +static double ws_get_link_latency(const void *link) +{ + return surf_network_model->extension.network.get_link_latency(link); } -static surf_action_t communicate(void *workstation_src, - void *workstation_dst, double size) -{ - return surf_network_resource->extension_public-> - communicate(((workstation_t) workstation_src)->network_card, - ((workstation_t) workstation_dst)->network_card, size); -} - -static e_surf_cpu_state_t get_state(void *workstation) -{ - return surf_cpu_resource->extension_public-> - get_state(((workstation_t) workstation)->cpu); -} - -static void finalize(void) -{ - xbt_dict_free(&workstation_set); - xbt_swag_free(surf_workstation_resource->common_public->states.ready_action_set); - xbt_swag_free(surf_workstation_resource->common_public->states. - running_action_set); - xbt_swag_free(surf_workstation_resource->common_public->states. - failed_action_set); - xbt_swag_free(surf_workstation_resource->common_public->states.done_action_set); - - xbt_free(surf_workstation_resource->common_public); - xbt_free(surf_workstation_resource->common_private); - xbt_free(surf_workstation_resource->extension_public); - - xbt_free(surf_workstation_resource); - surf_workstation_resource = NULL; -} - -static void surf_workstation_resource_init_internal(void) -{ - s_surf_action_t action; - - surf_workstation_resource = xbt_new0(s_surf_workstation_resource_t, 1); - - surf_workstation_resource->common_private = - xbt_new0(s_surf_resource_private_t, 1); - surf_workstation_resource->common_public = - xbt_new0(s_surf_resource_public_t, 1); -/* surf_workstation_resource->extension_private = xbt_new0(s_surf_workstation_resource_extension_private_t,1); */ - surf_workstation_resource->extension_public = - xbt_new0(s_surf_workstation_resource_extension_public_t, 1); - - surf_workstation_resource->common_public->states.ready_action_set = - xbt_swag_new(xbt_swag_offset(action, state_hookup)); - surf_workstation_resource->common_public->states.running_action_set = - xbt_swag_new(xbt_swag_offset(action, state_hookup)); - surf_workstation_resource->common_public->states.failed_action_set = - xbt_swag_new(xbt_swag_offset(action, state_hookup)); - surf_workstation_resource->common_public->states.done_action_set = - xbt_swag_new(xbt_swag_offset(action, state_hookup)); - - surf_workstation_resource->common_public->name_service = name_service; - surf_workstation_resource->common_public->get_resource_name = - get_resource_name; - surf_workstation_resource->common_public->action_get_state = - surf_action_get_state; - surf_workstation_resource->common_public->action_free = action_free; - surf_workstation_resource->common_public->action_cancel = action_cancel; - surf_workstation_resource->common_public->action_recycle = - action_recycle; - surf_workstation_resource->common_public->action_change_state = - action_change_state; - surf_workstation_resource->common_public->action_set_data = surf_action_set_data; - surf_workstation_resource->common_public->name = "Workstation"; - - surf_workstation_resource->common_private->resource_used = resource_used; - surf_workstation_resource->common_private->share_resources = - share_resources; - surf_workstation_resource->common_private->update_actions_state = - update_actions_state; - surf_workstation_resource->common_private->update_resource_state = - update_resource_state; - surf_workstation_resource->common_private->finalize = finalize; - - surf_workstation_resource->extension_public->execute = execute; - surf_workstation_resource->extension_public->sleep = action_sleep; - surf_workstation_resource->extension_public->suspend = action_suspend; - surf_workstation_resource->extension_public->resume = action_resume; - surf_workstation_resource->extension_public->is_suspended = action_is_suspended; - surf_workstation_resource->extension_public->get_state = get_state; - surf_workstation_resource->extension_public->communicate = communicate; - - workstation_set = xbt_dict_new(); - - xbt_assert0(maxmin_system, "surf_init has to be called first!"); -} - -/********************************************************************/ -/* The model used in MSG and presented at CCGrid03 */ -/********************************************************************/ -/* @InProceedings{Casanova.CLM_03, */ -/* author = {Henri Casanova and Arnaud Legrand and Loris Marchal}, */ -/* title = {Scheduling Distributed Applications: the SimGrid Simulation Framework}, */ -/* booktitle = {Proceedings of the third IEEE International Symposium on Cluster Computing and the Grid (CCGrid'03)}, */ -/* publisher = {"IEEE Computer Society Press"}, */ -/* month = {may}, */ -/* year = {2003} */ -/* } */ -void surf_workstation_resource_init_CLM03(const char *filename) -{ -/* int i ; */ -/* surf_resource_t resource = NULL; */ - - surf_workstation_resource_init_internal(); - surf_cpu_resource_init_Cas01(filename); - surf_network_resource_init_CM02(filename); - create_workstations(); - xbt_dynar_push(resource_list, &surf_workstation_resource); -/* xbt_dynar_foreach(resource_list, i, resource) { */ -/* if(resource==surf_cpu_resource) { */ -/* xbt_dynar_remove_at(resource_list, i, NULL); */ -/* i--; */ -/* continue; */ -/* } */ -/* if(resource==surf_network_resource) { */ -/* xbt_dynar_remove_at(resource_list, i, NULL); */ -/* i--; */ -/* continue; */ -/* } */ -/* } */ +static int ws_link_shared(const void *link) +{ + return surf_network_model->extension.network.link_shared(link); +} + +static xbt_dict_t ws_get_properties(const void *ws) +{ + return surf_resource_properties(surf_cpu_resource_priv(ws)); +} + +static storage_t find_storage_on_mount_list(void *workstation,const char* storage) +{ + storage_t st = NULL; + s_mount_t mnt; + unsigned int cursor; + workstation_CLM03_t ws = (workstation_CLM03_t) surf_workstation_resource_priv(workstation); + xbt_dynar_t storage_list = ws->storage; + + XBT_DEBUG("Search for storage name '%s' on '%s'",storage,ws->generic_resource.name); + xbt_dynar_foreach(storage_list,cursor,mnt) + { + XBT_DEBUG("See '%s'",mnt.name); + if(!strcmp(storage,mnt.name)){ + st = mnt.id; + break; + } + } + if(!st) xbt_die("Can't find mount '%s' for '%s'",storage,ws->generic_resource.name); + return st; +} + +static surf_action_t ws_action_open(void *workstation, const char* mount, + const char* path) +{ + storage_t st = find_storage_on_mount_list(workstation, mount); + XBT_DEBUG("OPEN on disk '%s'",st->generic_resource.name); + surf_model_t model = st->generic_resource.model; + return model->extension.storage.open(st, mount, path); +} + +static surf_action_t ws_action_close(void *workstation, surf_file_t fd) +{ + storage_t st = find_storage_on_mount_list(workstation, fd->storage); + XBT_DEBUG("CLOSE on disk '%s'",st->generic_resource.name); + surf_model_t model = st->generic_resource.model; + return model->extension.storage.close(st, fd); +} + +static surf_action_t ws_action_read(void *workstation, void* ptr, size_t size, + surf_file_t fd) +{ + storage_t st = find_storage_on_mount_list(workstation, fd->storage); + XBT_DEBUG("READ on disk '%s'",st->generic_resource.name); + surf_model_t model = st->generic_resource.model; + return model->extension.storage.read(st, ptr, size, fd); +} + +static surf_action_t ws_action_write(void *workstation, const void* ptr, + size_t size, surf_file_t fd) +{ + storage_t st = find_storage_on_mount_list(workstation, fd->storage); + XBT_DEBUG("WRITE on disk '%s'",st->generic_resource.name); + surf_model_t model = st->generic_resource.model; + return model->extension.storage.write(st, ptr, size, fd); +} + +static int ws_file_unlink(void *workstation, surf_file_t fd) +{ + if (!fd){ + XBT_WARN("No such file descriptor. Impossible to unlink"); + return 0; + } else { +// XBT_INFO("%s %zu", fd->storage, fd->size); + storage_t st = find_storage_on_mount_list(workstation, fd->storage); + xbt_dict_t content_dict = (st)->content; + /* Check if the file is on this storage */ + if (!xbt_dict_get_or_null(content_dict, fd->name)){ + XBT_WARN("File %s is not on disk %s. Impossible to unlink", fd->name, + st->generic_resource.name); + return 0; + } else { + XBT_DEBUG("UNLINK on disk '%s'",st->generic_resource.name); + st->used_size -= fd->size; + + // Remove the file from storage + xbt_dict_remove(content_dict,fd->name); + + free(fd->name); + free(fd->storage); + xbt_free(fd); + return 1; + } + } +} + +static surf_action_t ws_action_ls(void *workstation, const char* mount, + const char *path) +{ + XBT_DEBUG("LS on mount '%s' and file '%s'",mount, path); + storage_t st = find_storage_on_mount_list(workstation, mount); + surf_model_t model = st->generic_resource.model; + return model->extension.storage.ls(st, path); +} + +static size_t ws_file_get_size(void *workstation, surf_file_t fd) +{ + return fd->size; +} + +void ws_get_params(void *ws, ws_params_t params) +{ + workstation_CLM03_t ws_clm03 = surf_workstation_resource_priv(ws); + memcpy(params, &ws_clm03->params, sizeof(s_ws_params_t)); +} + +void ws_set_params(void *ws, ws_params_t params) +{ + workstation_CLM03_t ws_clm03 = surf_workstation_resource_priv(ws); + /* may check something here. */ + memcpy(&ws_clm03->params, params, sizeof(s_ws_params_t)); +} + +static xbt_dynar_t ws_get_vms(void *pm) +{ + xbt_dynar_t dyn = xbt_dynar_new(sizeof(smx_host_t), NULL); + + /* iterate for all hosts including virtual machines */ + xbt_lib_cursor_t cursor; + char *key; + void **ind_host; + xbt_lib_foreach(host_lib, cursor, key, ind_host) { + workstation_CLM03_t ws_clm03 = ind_host[SURF_WKS_LEVEL]; + if (!ws_clm03) + continue; + /* skip if it is not a virtual machine */ + if (ws_clm03->generic_resource.model != surf_vm_workstation_model) + continue; + + /* It is a virtual machine, so we can cast it to workstation_VM2013_t */ + workstation_VM2013_t ws_vm2013 = (workstation_VM2013_t) ws_clm03; + if (pm == ws_vm2013->sub_ws) + xbt_dynar_push(dyn, &ws_vm2013->sub_ws); + } + + return dyn; +} + + +static void surf_workstation_model_init_internal(void) +{ + surf_model_t model = surf_model_init(); + + model->name = "Workstation"; + model->type = SURF_MODEL_TYPE_WORKSTATION; + model->action_unref = ws_action_unref; + model->action_cancel = ws_action_cancel; + model->action_state_set = ws_action_state_set; + + model->model_private->resource_used = ws_resource_used; + model->model_private->share_resources = ws_share_resources; + model->model_private->update_actions_state = ws_update_actions_state; + model->model_private->update_resource_state = ws_update_resource_state; + model->model_private->finalize = ws_finalize; + + model->suspend = ws_action_suspend; + model->resume = ws_action_resume; + model->is_suspended = ws_action_is_suspended; + model->set_max_duration = ws_action_set_max_duration; + model->set_priority = ws_action_set_priority; + model->set_bound = ws_action_set_bound; + #ifdef HAVE_TRACING + model->set_category = ws_action_set_category; + #endif + model->get_remains = ws_action_get_remains; + #ifdef HAVE_LATENCY_BOUND_TRACKING + model->get_latency_limited = ws_get_latency_limited; + #endif + + /* For VM support, we have a surf cpu model object for each workstation model + * object. The physical workstation model object has the cpu model object of + * the physical machine layer. */ + xbt_assert(surf_cpu_model_pm); + model->extension.workstation.cpu_model = surf_cpu_model_pm; + + model->extension.workstation.execute = ws_execute; + model->extension.workstation.sleep = ws_action_sleep; + model->extension.workstation.get_state = ws_get_state; + model->extension.workstation.set_state = ws_set_state; + model->extension.workstation.get_core = ws_get_core; + model->extension.workstation.get_speed = ws_get_speed; + model->extension.workstation.get_available_speed = + ws_get_available_speed; + + model->extension.workstation.communicate = ws_communicate; + model->extension.workstation.get_route = ws_get_route; + model->extension.workstation.execute_parallel_task = ws_execute_parallel_task; + model->extension.workstation.get_link_bandwidth = ws_get_link_bandwidth; + model->extension.workstation.get_link_latency = ws_get_link_latency; + model->extension.workstation.link_shared = ws_link_shared; + model->extension.workstation.get_properties = ws_get_properties; + + model->extension.workstation.open = ws_action_open; + model->extension.workstation.close = ws_action_close; + model->extension.workstation.read = ws_action_read; + model->extension.workstation.write = ws_action_write; + model->extension.workstation.unlink = ws_file_unlink; + model->extension.workstation.ls = ws_action_ls; + + model->extension.workstation.get_params = ws_get_params; + model->extension.workstation.set_params = ws_set_params; + model->extension.workstation.get_vms = ws_get_vms; + + surf_workstation_model = model; +} + +void surf_workstation_model_init_current_default(void) +{ + xbt_cfg_setdefault_boolean(_sg_cfg_set, "network/crosstraffic", xbt_strdup("yes")); + surf_cpu_model_init_Cas01(); + surf_network_model_init_LegrandVelho(); + + /* surf_cpu_mode_pm and surf_network_model must be initialized in advance. */ + xbt_assert(surf_cpu_model_pm); + xbt_assert(surf_network_model); + surf_workstation_model_init_internal(); + + xbt_dynar_push(model_list, &surf_workstation_model); + xbt_dynar_push(model_list_invoke, &surf_workstation_model); + sg_platf_host_add_cb(workstation_new); +} + +void surf_workstation_model_init_compound() +{ + xbt_assert(surf_cpu_model_pm, "No CPU model defined yet!"); + xbt_assert(surf_network_model, "No network model defined yet!"); + + surf_workstation_model_init_internal(); + xbt_dynar_push(model_list, &surf_workstation_model); + xbt_dynar_push(model_list_invoke, &surf_workstation_model); + sg_platf_host_add_cb(workstation_new); }