1 /* Copyright (c) 2013-2014. The SimGrid Team.
2 * All rights reserved. */
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. */
7 #include "workstation_interface.hpp"
8 #include "vm_workstation_interface.hpp"
9 #include "cpu_cas01.hpp"
10 #include "simgrid/sg_config.h"
12 #include "network_interface.hpp"
14 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_workstation, surf,
15 "Logging specific to the SURF workstation module");
17 WorkstationModelPtr surf_workstation_model = NULL;
23 surf_callback(void, WorkstationPtr) workstationCreatedCallbacks;
24 surf_callback(void, WorkstationPtr) workstationDestructedCallbacks;
25 surf_callback(void, WorkstationPtr) workstationStateChangedCallbacks;
26 surf_callback(void, WorkstationActionPtr) workstationActionStateChangedCallbacks;
31 WorkstationModel::WorkstationModel(const char *name)
34 p_cpuModel = surf_cpu_model_pm;
37 WorkstationModel::WorkstationModel()
38 : Model("Workstation") {
39 p_cpuModel = surf_cpu_model_pm;
42 WorkstationModel::~WorkstationModel() {
45 /* Each VM has a dummy CPU action on the PM layer. This CPU action works as the
46 * constraint (capacity) of the VM in the PM layer. If the VM does not have any
47 * active task, the dummy CPU action must be deactivated, so that the VM does
48 * not get any CPU share in the PM layer. */
49 void WorkstationModel::adjustWeightOfDummyCpuActions()
51 /* iterate for all virtual machines */
52 for (WorkstationVMModel::vm_list_t::iterator iter =
53 WorkstationVMModel::ws_vms.begin();
54 iter != WorkstationVMModel::ws_vms.end(); ++iter) {
56 WorkstationVMPtr ws_vm = &*iter;
57 CpuCas01Ptr cpu_cas01 = static_cast<CpuCas01Ptr>(ws_vm->p_cpu);
58 xbt_assert(cpu_cas01, "cpu-less workstation");
60 int is_active = lmm_constraint_used(cpu_cas01->getModel()->getMaxminSystem(), cpu_cas01->getConstraint());
61 // int is_active_old = constraint_is_active(cpu_cas01);
64 // xbt_assert(is_active == is_active_old, "%d %d", is_active, is_active_old);
68 /* some tasks exist on this VM */
69 XBT_DEBUG("set the weight of the dummy CPU action on PM to 1");
71 /* FIXME: we shoud use lmm_update_variable_weight() ? */
72 /* FIXME: If we assgign 1.05 and 0.05, the system makes apparently wrong values. */
73 ws_vm->p_action->setPriority(1);
76 /* no task exits on this VM */
77 XBT_DEBUG("set the weight of the dummy CPU action on PM to 0");
79 ws_vm->p_action->setPriority(0);
87 Workstation::Workstation()
89 surf_callback_emit(workstationCreatedCallbacks, this);
92 Workstation::Workstation(ModelPtr model, const char *name, xbt_dict_t props,
93 xbt_dynar_t storage, RoutingEdgePtr netElm, CpuPtr cpu)
94 : Resource(model, name, props)
95 , p_storage(storage), p_netElm(netElm), p_cpu(cpu)
98 surf_callback_emit(workstationCreatedCallbacks, this);
101 Workstation::Workstation(ModelPtr model, const char *name, xbt_dict_t props, lmm_constraint_t constraint,
102 xbt_dynar_t storage, RoutingEdgePtr netElm, CpuPtr cpu)
103 : Resource(model, name, props, constraint)
104 , p_storage(storage), p_netElm(netElm), p_cpu(cpu)
106 p_params.ramsize = 0;
107 surf_callback_emit(workstationCreatedCallbacks, this);
110 Workstation::~Workstation(){
111 surf_callback_emit(workstationDestructedCallbacks, this);
114 void Workstation::setState(e_surf_resource_state_t state){
115 Resource::setState(state);
116 surf_callback_emit(workstationStateChangedCallbacks, this);
119 int Workstation::getCore(){
120 return p_cpu->getCore();
123 double Workstation::getSpeed(double load){
124 return p_cpu->getSpeed(load);
127 double Workstation::getAvailableSpeed(){
128 return p_cpu->getAvailableSpeed();
131 double Workstation::getCurrentPowerPeak()
133 return p_cpu->getCurrentPowerPeak();
136 double Workstation::getPowerPeakAt(int pstate_index)
138 return p_cpu->getPowerPeakAt(pstate_index);
141 int Workstation::getNbPstates()
143 return p_cpu->getNbPstates();
146 void Workstation::setPowerPeakAt(int pstate_index)
148 p_cpu->setPowerPeakAt(pstate_index);
151 xbt_dict_t Workstation::getProperties()
153 return p_cpu->getProperties();
156 StoragePtr Workstation::findStorageOnMountList(const char* mount)
158 StoragePtr st = NULL;
162 XBT_DEBUG("Search for storage name '%s' on '%s'", mount, getName());
163 xbt_dynar_foreach(p_storage,cursor,mnt)
165 XBT_DEBUG("See '%s'",mnt.name);
166 if(!strcmp(mount,mnt.name)){
167 st = static_cast<StoragePtr>(mnt.storage);
171 if(!st) xbt_die("Can't find mount '%s' for '%s'", mount, getName());
175 xbt_dict_t Workstation::getMountedStorageList()
179 xbt_dict_t storage_list = xbt_dict_new_homogeneous(NULL);
180 char *storage_name = NULL;
182 xbt_dynar_foreach(p_storage,i,mnt){
183 storage_name = (char *)static_cast<StoragePtr>(mnt.storage)->getName();
184 xbt_dict_set(storage_list,mnt.name,storage_name,NULL);
189 xbt_dynar_t Workstation::getAttachedStorageList()
191 xbt_lib_cursor_t cursor;
194 xbt_dynar_t result = xbt_dynar_new(sizeof(void*), NULL);
195 xbt_lib_foreach(storage_lib, cursor, key, data) {
196 if(xbt_lib_get_level(xbt_lib_get_elm_or_null(storage_lib, key), SURF_STORAGE_LEVEL) != NULL) {
197 StoragePtr storage = static_cast<StoragePtr>(xbt_lib_get_level(xbt_lib_get_elm_or_null(storage_lib, key), SURF_STORAGE_LEVEL));
198 if(!strcmp((const char*)storage->p_attach,this->getName())){
199 xbt_dynar_push_as(result, void *,(void *)static_cast<ResourcePtr>(storage)->getName());
206 ActionPtr Workstation::open(const char* fullpath) {
208 StoragePtr st = NULL;
211 size_t longest_prefix_length = 0;
213 char *file_mount_name = NULL;
214 char *mount_name = NULL;
216 XBT_DEBUG("Search for storage name for '%s' on '%s'", fullpath, getName());
217 xbt_dynar_foreach(p_storage,cursor,mnt)
219 XBT_DEBUG("See '%s'",mnt.name);
220 file_mount_name = (char *) xbt_malloc ((strlen(mnt.name)+1));
221 strncpy(file_mount_name,fullpath,strlen(mnt.name)+1);
222 file_mount_name[strlen(mnt.name)] = '\0';
224 if(!strcmp(file_mount_name,mnt.name) && strlen(mnt.name)>longest_prefix_length)
225 {/* The current mount name is found in the full path and is bigger than the previous*/
226 longest_prefix_length = strlen(mnt.name);
227 st = static_cast<StoragePtr>(mnt.storage);
229 free(file_mount_name);
231 if(longest_prefix_length>0)
232 { /* Mount point found, split fullpath into mount_name and path+filename*/
233 path = (char *) xbt_malloc ((strlen(fullpath)-longest_prefix_length+1));
234 mount_name = (char *) xbt_malloc ((longest_prefix_length+1));
235 strncpy(mount_name, fullpath, longest_prefix_length+1);
236 strncpy(path, fullpath+longest_prefix_length, strlen(fullpath)-longest_prefix_length+1);
237 path[strlen(fullpath)-longest_prefix_length] = '\0';
238 mount_name[longest_prefix_length] = '\0';
241 xbt_die("Can't find mount point for '%s' on '%s'", fullpath, getName());
243 ActionPtr action = st->open((const char*)mount_name, (const char*)path);
245 free((char*)mount_name);
249 ActionPtr Workstation::close(surf_file_t fd) {
250 StoragePtr st = findStorageOnMountList(fd->mount);
251 XBT_DEBUG("CLOSE on disk '%s'",st->getName());
252 return st->close(fd);
255 ActionPtr Workstation::read(surf_file_t fd, sg_size_t size) {
256 StoragePtr st = findStorageOnMountList(fd->mount);
257 XBT_DEBUG("READ on disk '%s'",st->getName());
258 return st->read(fd, size);
261 ActionPtr Workstation::write(surf_file_t fd, sg_size_t size) {
262 StoragePtr st = findStorageOnMountList(fd->mount);
263 XBT_DEBUG("WRITE on disk '%s'",st->getName());
264 return st->write(fd, size);
267 int Workstation::unlink(surf_file_t fd) {
269 XBT_WARN("No such file descriptor. Impossible to unlink");
273 StoragePtr st = findStorageOnMountList(fd->mount);
274 /* Check if the file is on this storage */
275 if (!xbt_dict_get_or_null(st->p_content, fd->name)){
276 XBT_WARN("File %s is not on disk %s. Impossible to unlink", fd->name,
280 XBT_DEBUG("UNLINK on disk '%s'",st->getName());
281 st->m_usedSize -= fd->size;
283 // Remove the file from storage
284 xbt_dict_remove(st->p_content, fd->name);
294 ActionPtr Workstation::ls(const char* mount, const char *path){
295 XBT_DEBUG("LS on mount '%s' and file '%s'", mount, path);
296 StoragePtr st = findStorageOnMountList(mount);
300 sg_size_t Workstation::getSize(surf_file_t fd){
304 xbt_dynar_t Workstation::getInfo( surf_file_t fd)
306 StoragePtr st = findStorageOnMountList(fd->mount);
307 sg_size_t *psize = xbt_new(sg_size_t, 1);
309 xbt_dynar_t info = xbt_dynar_new(sizeof(void*), NULL);
310 xbt_dynar_push_as(info, sg_size_t *, psize);
311 xbt_dynar_push_as(info, void *, fd->mount);
312 xbt_dynar_push_as(info, void *, (void *)st->getName());
313 xbt_dynar_push_as(info, void *, st->p_typeId);
314 xbt_dynar_push_as(info, void *, st->p_contentType);
319 sg_size_t Workstation::fileTell(surf_file_t fd){
320 return fd->current_position;
323 int Workstation::fileSeek(surf_file_t fd, sg_size_t offset, int origin){
327 fd->current_position = 0;
330 if(offset > fd->size)
332 fd->current_position = offset;
335 fd->current_position = fd->size;
338 return MSG_TASK_CANCELED;
342 int Workstation::fileMove(surf_file_t fd, const char* fullpath){
344 /* Check if the new full path is on the same mount point */
345 if(!strncmp((const char*)fd->mount, fullpath, strlen(fd->mount)))
347 sg_size_t *psize, *new_psize;
348 psize = (sg_size_t*) xbt_dict_get_or_null(findStorageOnMountList(fd->mount)->p_content,fd->name);
349 new_psize = xbt_new(sg_size_t, 1);
351 if (psize){// src file exists
352 xbt_dict_remove(findStorageOnMountList(fd->mount)->p_content, fd->name);
354 char *path = (char *) xbt_malloc ((strlen(fullpath)-strlen(fd->mount)+1));;
355 strncpy(path, fullpath+strlen(fd->mount), strlen(fullpath)-strlen(fd->mount)+1);
356 xbt_dict_set(findStorageOnMountList(fd->mount)->p_content, path, new_psize,NULL);
357 XBT_DEBUG("Move file from %s to %s, size '%llu'",fd->name, fullpath, *psize);
362 XBT_WARN("File %s doesn't exist", fd->name);
363 return MSG_TASK_CANCELED;
367 XBT_WARN("New full path %s is not on the same mount point: %s. Action has been canceled.", fullpath, fd->mount);
368 return MSG_TASK_CANCELED;
372 int Workstation::fileRcopy(surf_file_t fd, surf_resource_t host_dest, const char* fullpath){
374 XBT_DEBUG("Rcopy file %s on %s to %s",fd->name, host_dest->key, fullpath);
376 /* Find the host src where the file is located */
377 StoragePtr storage = findStorageOnMountList(fd->mount);
378 const char* host_name_src = (const char*)storage->p_attach;
380 /* Find the real host dest where the file will be stored */
383 StoragePtr storage_dest = NULL;
384 const char* host_name_dest;
385 char *file_mount_name;
386 size_t longest_prefix_length = 0;
387 WorkstationPtr dest_ws, src_ws;
389 dest_ws = static_cast<WorkstationPtr>(surf_workstation_resource_priv(host_dest));
391 xbt_dynar_foreach(dest_ws->p_storage,cursor,mnt)
393 file_mount_name = (char *) xbt_malloc ((strlen(mnt.name)+1));
394 strncpy(file_mount_name,fullpath,strlen(mnt.name)+1);
395 file_mount_name[strlen(mnt.name)] = '\0';
397 if(!strcmp(file_mount_name,mnt.name) && strlen(mnt.name)>longest_prefix_length)
398 {/* The current mount name is found in the full path and is bigger than the previous*/
399 longest_prefix_length = strlen(mnt.name);
400 storage_dest = static_cast<StoragePtr>(mnt.storage);
402 free(file_mount_name);
404 if(longest_prefix_length>0)
405 { /* Mount point found, retrieve the host the storage is attached to */
406 host_name_dest = storage_dest->p_attach;
410 XBT_WARN("Can't find mount point for '%s' on destination host '%s'", fullpath, host_dest->key);
411 return MSG_TASK_CANCELED;
414 /* Check that there is a route between src and dest workstations */
415 xbt_dynar_t route = NULL;
416 dest_ws = static_cast<WorkstationPtr>(surf_workstation_resource_priv(xbt_lib_get_elm_or_null(host_lib, host_name_dest)));
417 src_ws = static_cast<WorkstationPtr>(surf_workstation_resource_priv(xbt_lib_get_elm_or_null(host_lib, host_name_src)));
419 routing_get_route_and_latency(src_ws->p_netElm, dest_ws->p_netElm, &route, NULL);
420 if(!xbt_dynar_length (route))
422 XBT_WARN("There is no route between %s and %s. Action has been canceled", src_ws->getName(), dest_ws->getName());
423 return MSG_TASK_CANCELED;
426 {/* There is a route between src and dest, let's copy the file */
428 /* Read the file on the src side */
429 src_ws->read(fd, fd->size);
431 /* Send a message from src to dest to simulate data transfer */
432 surf_network_model->communicate(src_ws->p_netElm, dest_ws->p_netElm, fd->size, -1.0);
434 /* Create the file on the dest side and write data into it*/
435 char *mount_name, *path;
436 path = (char *) xbt_malloc ((strlen(fullpath)-longest_prefix_length+1));
437 mount_name = (char *) xbt_malloc ((longest_prefix_length+1));
438 /* deduce mount_name and path from fullpath */
439 strncpy(mount_name, fullpath, longest_prefix_length+1);
440 strncpy(path, fullpath+longest_prefix_length, strlen(fullpath)-longest_prefix_length+1);
441 path[strlen(fullpath)-longest_prefix_length] = '\0';
442 mount_name[longest_prefix_length] = '\0';
443 /* create the file */
444 ActionPtr open_action = storage_dest->open((const char*)mount_name, (const char*)path);
446 dest_ws->write(static_cast<StorageActionPtr>(open_action)->p_file, fd->size);
447 dest_ws->close(static_cast<StorageActionPtr>(open_action)->p_file);
450 XBT_DEBUG("File %s has been copied on %s to %s",fd->name, host_dest->key, fullpath);
455 XBT_INFO("SRC %s DEST %s", host_name_src, host_name_dest);
459 // /* Check that file to copy is local to the src workstation (storage is attached to src workstation) */
460 // StoragePtr storage = findStorageOnMountList(fd->mount);
461 // if(!strcmp((const char*)storage->p_attach, this->getName()))
463 // /* Check that there is a route between src and dest workstations */
464 // xbt_dynar_t route = NULL;
465 // routing_get_route_and_latency(this->p_netElm, ((WorkstationPtr)host_dest)->p_netElm, &route, NULL);
468 // ATTENTION DISCUSSION AVEC FRED !
473 // XBT_WARN("There is no route between %s and %s. Action has been canceled", this->getName(), host_dest->key);
474 // return MSG_TASK_CANCELED;
479 // XBT_WARN("File %s is not local to %s but to %s. Action has been canceled", fd->name,this->getName(), storage->p_attach);
480 // return MSG_TASK_CANCELED;
484 sg_size_t Workstation::getFreeSize(const char* name)
486 StoragePtr st = findStorageOnMountList(name);
487 return st->m_size - st->m_usedSize;
490 sg_size_t Workstation::getUsedSize(const char* name)
492 StoragePtr st = findStorageOnMountList(name);
493 return st->m_usedSize;
496 xbt_dynar_t Workstation::getVms()
498 xbt_dynar_t dyn = xbt_dynar_new(sizeof(smx_host_t), NULL);
500 /* iterate for all virtual machines */
501 for (WorkstationVMModel::vm_list_t::iterator iter =
502 WorkstationVMModel::ws_vms.begin();
503 iter != WorkstationVMModel::ws_vms.end(); ++iter) {
505 WorkstationVMPtr ws_vm = &*iter;
506 if (this == ws_vm-> p_subWs)
507 xbt_dynar_push(dyn, &ws_vm->p_subWs);
513 void Workstation::getParams(ws_params_t params)
518 void Workstation::setParams(ws_params_t params)
520 /* may check something here. */
528 void WorkstationAction::setState(e_surf_action_state_t state){
529 Action::setState(state);
530 surf_callback_emit(workstationActionStateChangedCallbacks, this);