src/surf/workstation.c

   1 /* Copyright (c) 2004, 2005, 2006, 2007, 2008, 2009, 2010. The SimGrid Team.
   2  * All rights reserved.                                                     */
   3
   4 /* This program is free software; you can redistribute it and/or modify it
   5  * under the terms of the license (GNU LGPL) which comes with this package. */
   6
   7 #include "xbt/ex.h"
   8 #include "xbt/dict.h"
   9 #include "portable.h"
  10 #include "surf_private.h"
  11 #include "storage_private.h"
  12 #include "surf/surf_resource.h"
  13
  14 typedef struct workstation_CLM03 {
  15   s_surf_resource_t generic_resource;   /* Must remain first to add this to a trace */
  16   void *cpu;
  17   void *net_card;
  18   xbt_dynar_t storage;
  19 } s_workstation_CLM03_t, *workstation_CLM03_t;
  20
  21 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_workstation, surf,
  22                                 "Logging specific to the SURF workstation module");
  23
  24 surf_model_t surf_workstation_model = NULL;
  25
  26 static void workstation_new(sg_platf_host_cbarg_t host)
  27 {
  28   workstation_CLM03_t workstation = xbt_new0(s_workstation_CLM03_t, 1);
  29
  30   workstation->generic_resource.model = surf_workstation_model;
  31   workstation->generic_resource.name = xbt_strdup(host->id);
  32   workstation->cpu = xbt_lib_get_or_null(host_lib, host->id, SURF_CPU_LEVEL);
  33   workstation->storage = xbt_lib_get_or_null(storage_lib,host->id,ROUTING_STORAGE_HOST_LEVEL);
  34   XBT_DEBUG("Create workstation %s with %ld mounted disks",host->id,xbt_dynar_length(workstation->storage));
  35   xbt_lib_set(host_lib, host->id, SURF_WKS_LEVEL, workstation);
  36 }
  37
  38 static int ws_resource_used(void *resource_id)
  39 {
  40   THROW_IMPOSSIBLE;             /* This model does not implement parallel tasks */
  41   return -1;
  42 }
  43
  44 static void ws_parallel_action_cancel(surf_action_t action)
  45 {
  46   THROW_UNIMPLEMENTED;          /* This model does not implement parallel tasks */
  47 }
  48
  49 static int ws_parallel_action_free(surf_action_t action)
  50 {
  51   THROW_UNIMPLEMENTED;          /* This model does not implement parallel tasks */
  52   return -1;
  53 }
  54
  55 static int ws_action_unref(surf_action_t action)
  56 {
  57   if (action->model_type == surf_network_model)
  58     return surf_network_model->action_unref(action);
  59   else if (action->model_type == surf_cpu_model)
  60     return surf_cpu_model->action_unref(action);
  61   else if (action->model_type == surf_workstation_model)
  62     return ws_parallel_action_free(action);
  63   else
  64     DIE_IMPOSSIBLE;
  65   return 0;
  66 }
  67
  68 static void ws_action_cancel(surf_action_t action)
  69 {
  70   if (action->model_type == surf_network_model)
  71     surf_network_model->action_cancel(action);
  72   else if (action->model_type == surf_cpu_model)
  73     surf_cpu_model->action_cancel(action);
  74   else if (action->model_type == surf_workstation_model)
  75     ws_parallel_action_cancel(action);
  76   else
  77     DIE_IMPOSSIBLE;
  78   return;
  79 }
  80
  81 static void ws_action_state_set(surf_action_t action,
  82                                 e_surf_action_state_t state)
  83 {
  84   if (action->model_type == surf_network_model)
  85     surf_network_model->action_state_set(action, state);
  86   else if (action->model_type == surf_cpu_model)
  87     surf_cpu_model->action_state_set(action, state);
  88   else if (action->model_type == surf_workstation_model)
  89     surf_action_state_set(action, state);
  90   else
  91     DIE_IMPOSSIBLE;
  92   return;
  93 }
  94
  95 static double ws_share_resources(double now)
  96 {
  97   return -1.0;
  98 }
  99
 100 static void ws_update_actions_state(double now, double delta)
 101 {
 102   return;
 103 }
 104
 105 static void ws_update_resource_state(void *id,
 106                                      tmgr_trace_event_t event_type,
 107                                      double value, double date)
 108 {
 109   THROW_IMPOSSIBLE;             /* This model does not implement parallel tasks */
 110 }
 111
 112 static surf_action_t ws_execute(void *workstation, double size)
 113 {
 114   void *cpu = ((workstation_CLM03_t) workstation)->cpu;
 115   return ((surf_resource_t) cpu)->model->extension.cpu.execute(cpu, size);
 116 }
 117
 118 static surf_action_t ws_action_sleep(void *workstation, double duration)
 119 {
 120   return surf_cpu_model->extension.cpu.
 121       sleep(((workstation_CLM03_t) workstation)->cpu, duration);
 122 }
 123
 124 static void ws_action_suspend(surf_action_t action)
 125 {
 126   if (action->model_type == surf_network_model)
 127     surf_network_model->suspend(action);
 128   else if (action->model_type == surf_cpu_model)
 129     surf_cpu_model->suspend(action);
 130   else
 131     DIE_IMPOSSIBLE;
 132 }
 133
 134 static void ws_action_resume(surf_action_t action)
 135 {
 136   if (action->model_type == surf_network_model)
 137     surf_network_model->resume(action);
 138   else if (action->model_type == surf_cpu_model)
 139     surf_cpu_model->resume(action);
 140   else
 141     DIE_IMPOSSIBLE;
 142 }
 143
 144 static int ws_action_is_suspended(surf_action_t action)
 145 {
 146   if (action->model_type == surf_network_model)
 147     return surf_network_model->is_suspended(action);
 148   if (action->model_type == surf_cpu_model)
 149     return surf_cpu_model->is_suspended(action);
 150   DIE_IMPOSSIBLE;
 151   return -1;
 152 }
 153
 154 static void ws_action_set_max_duration(surf_action_t action,
 155                                        double duration)
 156 {
 157   if (action->model_type == surf_network_model)
 158     surf_network_model->set_max_duration(action, duration);
 159   else if (action->model_type == surf_cpu_model)
 160     surf_cpu_model->set_max_duration(action, duration);
 161   else
 162     DIE_IMPOSSIBLE;
 163 }
 164
 165 static void ws_action_set_priority(surf_action_t action, double priority)
 166 {
 167   if (action->model_type == surf_network_model)
 168     surf_network_model->set_priority(action, priority);
 169   else if (action->model_type == surf_cpu_model)
 170     surf_cpu_model->set_priority(action, priority);
 171   else
 172     DIE_IMPOSSIBLE;
 173 }
 174
 175 #ifdef HAVE_TRACING
 176 static void ws_action_set_category(surf_action_t action, const char *category)
 177 {
 178   if (action->model_type == surf_network_model)
 179     surf_network_model->set_category(action, category);
 180   else if (action->model_type == surf_cpu_model)
 181     surf_cpu_model->set_category(action, category);
 182   else
 183     DIE_IMPOSSIBLE;
 184 }
 185 #endif
 186
 187 #ifdef HAVE_LATENCY_BOUND_TRACKING
 188 static int ws_get_latency_limited(surf_action_t action)
 189 {
 190   if (action->model_type == surf_network_model)
 191     return surf_network_model->get_latency_limited(action);
 192   else
 193     return 0;
 194 }
 195 #endif
 196
 197 static double ws_action_get_remains(surf_action_t action)
 198 {
 199   if (action->model_type == surf_network_model)
 200     return surf_network_model->get_remains(action);
 201   if (action->model_type == surf_cpu_model)
 202     return surf_cpu_model->get_remains(action);
 203   DIE_IMPOSSIBLE;
 204   return -1.0;
 205 }
 206
 207 static surf_action_t ws_communicate(void *workstation_src,
 208                                     void *workstation_dst, double size,
 209                                     double rate)
 210 {
 211   workstation_CLM03_t src = (workstation_CLM03_t) workstation_src;
 212   workstation_CLM03_t dst = (workstation_CLM03_t) workstation_dst;
 213   return surf_network_model->extension.network.
 214       communicate(surf_resource_name(src->cpu),
 215                   surf_resource_name(dst->cpu), size, rate);
 216 }
 217
 218 static e_surf_resource_state_t ws_get_state(void *workstation)
 219 {
 220   return surf_cpu_model->extension.cpu.
 221       get_state(((workstation_CLM03_t) workstation)->cpu);
 222 }
 223
 224 static double ws_get_speed(void *workstation, double load)
 225 {
 226   return surf_cpu_model->extension.cpu.
 227       get_speed(((workstation_CLM03_t) workstation)->cpu, load);
 228 }
 229
 230 static double ws_get_available_speed(void *workstation)
 231 {
 232   return surf_cpu_model->extension.cpu.
 233       get_available_speed(((workstation_CLM03_t)
 234                            workstation)->cpu);
 235 }
 236
 237 static surf_action_t ws_execute_parallel_task(int workstation_nb,
 238                                               void **workstation_list,
 239                                               double *computation_amount,
 240                                               double *communication_amount,
 241                                               double amount, double rate)
 242 {
 243   THROW_UNIMPLEMENTED;          /* This model does not implement parallel tasks */
 244   return NULL;
 245 }
 246
 247
 248 /* returns an array of network_link_CM02_t */
 249 static xbt_dynar_t ws_get_route(void *src, void *dst)
 250 {
 251   return surf_network_model->extension.
 252       network.get_route(surf_resource_name(src), surf_resource_name(dst));
 253 }
 254
 255 static double ws_get_link_bandwidth(const void *link)
 256 {
 257   return surf_network_model->extension.network.get_link_bandwidth(link);
 258 }
 259
 260 static double ws_get_link_latency(const void *link)
 261 {
 262   return surf_network_model->extension.network.get_link_latency(link);
 263 }
 264
 265 static int ws_link_shared(const void *link)
 266 {
 267   return surf_network_model->extension.network.link_shared(link);
 268 }
 269
 270 static void ws_finalize(void)
 271 {
 272   surf_model_exit(surf_workstation_model);
 273   surf_workstation_model = NULL;
 274 }
 275
 276 static xbt_dict_t ws_get_properties(const void *ws)
 277 {
 278   return surf_resource_properties(((workstation_CLM03_t) ws)->cpu);
 279 }
 280
 281 static storage_t find_storage_on_mount_list(void *workstation,const char* storage)
 282 {
 283   storage_t st = NULL;
 284   s_mount_t mnt;
 285   unsigned int cursor;
 286   xbt_dynar_t storage_list = ((workstation_CLM03_t) workstation)->storage;
 287
 288   XBT_DEBUG("Search for storage name '%s' on '%s'",storage,((workstation_CLM03_t) workstation)->generic_resource.name);
 289   xbt_dynar_foreach(storage_list,cursor,mnt)
 290   {
 291     XBT_DEBUG("See '%s'",mnt.name);
 292     if(!strcmp(storage,mnt.name)){
 293       st = mnt.id;
 294       break;
 295     }
 296   }
 297   if(!st) xbt_die("Can't find mount '%s' for '%s'",storage,((workstation_CLM03_t) workstation)->generic_resource.name);
 298   return st;
 299 }
 300
 301 static surf_action_t ws_action_open(void *workstation, const char* storage, const char* path, const char* mode)
 302 {
 303   storage_t st = find_storage_on_mount_list(workstation, storage);
 304   XBT_DEBUG("OPEN on disk '%s'",st->generic_resource.name);
 305   surf_model_t model = st->generic_resource.model;
 306   return model->extension.storage.open(st, path, mode);
 307 }
 308
 309 static surf_action_t ws_action_close(void *workstation, const char* storage, surf_file_t fp)
 310 {
 311   storage_t st = find_storage_on_mount_list(workstation, storage);
 312   XBT_DEBUG("CLOSE on disk '%s'",st->generic_resource.name);
 313   surf_model_t model = st->generic_resource.model;
 314   return model->extension.storage.close(st, fp);
 315 }
 316
 317 static surf_action_t ws_action_read(void *workstation, const char* storage, void* ptr, size_t size, size_t nmemb, surf_file_t stream)
 318 {
 319   storage_t st = find_storage_on_mount_list(workstation, storage);
 320   XBT_DEBUG("READ on disk '%s'",st->generic_resource.name);
 321   surf_model_t model = st->generic_resource.model;
 322   return model->extension.storage.read(st, ptr, size, nmemb, stream);
 323 }
 324
 325 static surf_action_t ws_action_write(void *workstation, const char* storage, const void* ptr, size_t size, size_t nmemb, surf_file_t stream)
 326 {
 327   storage_t st = find_storage_on_mount_list(workstation, storage);
 328   XBT_DEBUG("WRITE on disk '%s'",st->generic_resource.name);
 329   surf_model_t model = st->generic_resource.model;
 330   return model->extension.storage.write(st,  ptr, size, nmemb, stream);
 331 }
 332
 333 static surf_action_t ws_action_stat(void *workstation, const char* storage, int fd, void* buf)
 334 {
 335   storage_t st = find_storage_on_mount_list(workstation, storage);
 336   XBT_DEBUG("STAT on disk '%s'",st->generic_resource.name);
 337   surf_model_t model = st->generic_resource.model;
 338   return model->extension.storage.stat(st,  fd, buf);
 339 }
 340
 341 static void surf_workstation_model_init_internal(void)
 342 {
 343   surf_workstation_model = surf_model_init();
 344
 345   surf_workstation_model->name = "Workstation";
 346   surf_workstation_model->action_unref = ws_action_unref;
 347   surf_workstation_model->action_cancel = ws_action_cancel;
 348   surf_workstation_model->action_state_set = ws_action_state_set;
 349
 350   surf_workstation_model->model_private->resource_used = ws_resource_used;
 351   surf_workstation_model->model_private->share_resources =
 352       ws_share_resources;
 353   surf_workstation_model->model_private->update_actions_state =
 354       ws_update_actions_state;
 355   surf_workstation_model->model_private->update_resource_state =
 356       ws_update_resource_state;
 357   surf_workstation_model->model_private->finalize = ws_finalize;
 358
 359   surf_workstation_model->suspend = ws_action_suspend;
 360   surf_workstation_model->resume = ws_action_resume;
 361   surf_workstation_model->is_suspended = ws_action_is_suspended;
 362   surf_workstation_model->set_max_duration = ws_action_set_max_duration;
 363   surf_workstation_model->set_priority = ws_action_set_priority;
 364 #ifdef HAVE_TRACING
 365   surf_workstation_model->set_category = ws_action_set_category;
 366 #endif
 367   surf_workstation_model->get_remains = ws_action_get_remains;
 368 #ifdef HAVE_LATENCY_BOUND_TRACKING
 369   surf_workstation_model->get_latency_limited = ws_get_latency_limited;
 370 #endif
 371
 372   surf_workstation_model->extension.workstation.execute = ws_execute;
 373   surf_workstation_model->extension.workstation.sleep = ws_action_sleep;
 374   surf_workstation_model->extension.workstation.get_state = ws_get_state;
 375   surf_workstation_model->extension.workstation.get_speed = ws_get_speed;
 376   surf_workstation_model->extension.workstation.get_available_speed =
 377       ws_get_available_speed;
 378
 379   surf_workstation_model->extension.workstation.communicate =
 380       ws_communicate;
 381   surf_workstation_model->extension.workstation.get_route = ws_get_route;
 382   surf_workstation_model->extension.workstation.execute_parallel_task =
 383       ws_execute_parallel_task;
 384   surf_workstation_model->extension.workstation.get_link_bandwidth =
 385       ws_get_link_bandwidth;
 386   surf_workstation_model->extension.workstation.get_link_latency =
 387       ws_get_link_latency;
 388   surf_workstation_model->extension.workstation.link_shared =
 389       ws_link_shared;
 390   surf_workstation_model->extension.workstation.get_properties =
 391       ws_get_properties;
 392
 393   surf_workstation_model->extension.workstation.open = ws_action_open;
 394   surf_workstation_model->extension.workstation.close = ws_action_close;
 395   surf_workstation_model->extension.workstation.read = ws_action_read;
 396   surf_workstation_model->extension.workstation.write = ws_action_write;
 397   surf_workstation_model->extension.workstation.stat = ws_action_stat;
 398 }
 399
 400 void surf_workstation_model_init_current_default(void)
 401 {
 402   surf_workstation_model_init_internal();
 403   xbt_cfg_setdefault_int(_surf_cfg_set, "network/crosstraffic", 1);
 404   surf_cpu_model_init_Cas01();
 405   surf_network_model_init_LegrandVelho();
 406
 407   xbt_dynar_push(model_list, &surf_workstation_model);
 408   sg_platf_host_add_cb(workstation_new);
 409 //  sg_platf_postparse_add_cb(create_workstations);
 410 }
 411
 412 void surf_workstation_model_init_compound()
 413 {
 414
 415   xbt_assert(surf_cpu_model, "No CPU model defined yet!");
 416   xbt_assert(surf_network_model, "No network model defined yet!");
 417   surf_workstation_model_init_internal();
 418   xbt_dynar_push(model_list, &surf_workstation_model);
 419   sg_platf_host_add_cb(workstation_new);
 420 //  sg_platf_postparse_add_cb(create_workstations);
 421 }