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 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_workstation, surf,
13 "Logging specific to the SURF workstation module");
15 WorkstationModelPtr surf_workstation_model = NULL;
21 surf_callback(void, WorkstationPtr) workstationCreatedCallbacks;
22 surf_callback(void, WorkstationPtr) workstationDestructedCallbacks;
23 surf_callback(void, WorkstationPtr) workstationStateChangedCallbacks;
24 surf_callback(void, WorkstationActionPtr) workstationActionStateChangedCallbacks;
29 WorkstationModel::WorkstationModel(const char *name)
32 p_cpuModel = surf_cpu_model_pm;
35 WorkstationModel::WorkstationModel()
36 : Model("Workstation") {
37 p_cpuModel = surf_cpu_model_pm;
40 WorkstationModel::~WorkstationModel() {
43 /* Each VM has a dummy CPU action on the PM layer. This CPU action works as the
44 * constraint (capacity) of the VM in the PM layer. If the VM does not have any
45 * active task, the dummy CPU action must be deactivated, so that the VM does
46 * not get any CPU share in the PM layer. */
47 void WorkstationModel::adjustWeightOfDummyCpuActions()
49 /* iterate for all virtual machines */
50 for (WorkstationVMModel::vm_list_t::iterator iter =
51 WorkstationVMModel::ws_vms.begin();
52 iter != WorkstationVMModel::ws_vms.end(); ++iter) {
54 WorkstationVMPtr ws_vm = &*iter;
55 CpuCas01Ptr cpu_cas01 = static_cast<CpuCas01Ptr>(ws_vm->p_cpu);
56 xbt_assert(cpu_cas01, "cpu-less workstation");
58 int is_active = lmm_constraint_used(cpu_cas01->getModel()->getMaxminSystem(), cpu_cas01->getConstraint());
59 // int is_active_old = constraint_is_active(cpu_cas01);
62 // xbt_assert(is_active == is_active_old, "%d %d", is_active, is_active_old);
66 /* some tasks exist on this VM */
67 XBT_DEBUG("set the weight of the dummy CPU action on PM to 1");
69 /* FIXME: we shoud use lmm_update_variable_weight() ? */
70 /* FIXME: If we assgign 1.05 and 0.05, the system makes apparently wrong values. */
71 ws_vm->p_action->setPriority(1);
74 /* no task exits on this VM */
75 XBT_DEBUG("set the weight of the dummy CPU action on PM to 0");
77 ws_vm->p_action->setPriority(0);
85 Workstation::Workstation()
87 surf_callback_emit(workstationCreatedCallbacks, this);
90 Workstation::Workstation(ModelPtr model, const char *name, xbt_dict_t props,
91 xbt_dynar_t storage, RoutingEdgePtr netElm, CpuPtr cpu)
92 : Resource(model, name, props)
93 , p_storage(storage), p_netElm(netElm), p_cpu(cpu)
96 surf_callback_emit(workstationCreatedCallbacks, this);
99 Workstation::Workstation(ModelPtr model, const char *name, xbt_dict_t props, lmm_constraint_t constraint,
100 xbt_dynar_t storage, RoutingEdgePtr netElm, CpuPtr cpu)
101 : Resource(model, name, props, constraint)
102 , p_storage(storage), p_netElm(netElm), p_cpu(cpu)
104 p_params.ramsize = 0;
105 surf_callback_emit(workstationCreatedCallbacks, this);
108 Workstation::~Workstation(){
109 surf_callback_emit(workstationDestructedCallbacks, this);
112 void Workstation::setState(e_surf_resource_state_t state){
113 Resource::setState(state);
114 surf_callback_emit(workstationStateChangedCallbacks, this);
117 int Workstation::getCore(){
118 return p_cpu->getCore();
121 double Workstation::getSpeed(double load){
122 return p_cpu->getSpeed(load);
125 double Workstation::getAvailableSpeed(){
126 return p_cpu->getAvailableSpeed();
129 double Workstation::getCurrentPowerPeak()
131 return p_cpu->getCurrentPowerPeak();
134 double Workstation::getPowerPeakAt(int pstate_index)
136 return p_cpu->getPowerPeakAt(pstate_index);
139 int Workstation::getNbPstates()
141 return p_cpu->getNbPstates();
144 void Workstation::setPowerPeakAt(int pstate_index)
146 p_cpu->setPowerPeakAt(pstate_index);
149 xbt_dict_t Workstation::getProperties()
151 return p_cpu->getProperties();
154 StoragePtr Workstation::findStorageOnMountList(const char* mount)
156 StoragePtr st = NULL;
160 XBT_DEBUG("Search for storage name '%s' on '%s'", mount, getName());
161 xbt_dynar_foreach(p_storage,cursor,mnt)
163 XBT_DEBUG("See '%s'",mnt.name);
164 if(!strcmp(mount,mnt.name)){
165 st = static_cast<StoragePtr>(mnt.storage);
169 if(!st) xbt_die("Can't find mount '%s' for '%s'", mount, getName());
173 xbt_dict_t Workstation::getMountedStorageList()
177 xbt_dict_t storage_list = xbt_dict_new_homogeneous(NULL);
178 char *storage_name = NULL;
180 xbt_dynar_foreach(p_storage,i,mnt){
181 storage_name = (char *)static_cast<StoragePtr>(mnt.storage)->getName();
182 xbt_dict_set(storage_list,mnt.name,storage_name,NULL);
187 xbt_dynar_t Workstation::getAttachedStorageList()
189 xbt_lib_cursor_t cursor;
192 xbt_dynar_t result = xbt_dynar_new(sizeof(void*), NULL);
193 xbt_lib_foreach(storage_lib, cursor, key, data) {
194 if(xbt_lib_get_level(xbt_lib_get_elm_or_null(storage_lib, key), SURF_STORAGE_LEVEL) != NULL) {
195 StoragePtr storage = static_cast<StoragePtr>(xbt_lib_get_level(xbt_lib_get_elm_or_null(storage_lib, key), SURF_STORAGE_LEVEL));
196 if(!strcmp((const char*)storage->p_attach,this->getName())){
197 xbt_dynar_push_as(result, void *,(void *)static_cast<ResourcePtr>(storage)->getName());
204 ActionPtr Workstation::open(const char* fullpath) {
206 StoragePtr st = NULL;
210 char *path, *mount_name;
212 XBT_DEBUG("Search for storage name for '%s' on '%s'", fullpath, getName());
213 xbt_dynar_foreach(p_storage,cursor,mnt)
215 XBT_DEBUG("See '%s'",mnt.name);
216 char *file_mount_name = NULL;
217 file_mount_name = xbt_new(char,strlen(mnt.name)+1);
218 strncpy(file_mount_name,fullpath,strlen(mnt.name));
219 file_mount_name[strlen(mnt.name)] = '\0';
221 if(!strcmp(file_mount_name,mnt.name) && strlen(mnt.name)>pos)
222 {/* The current mount name is found in the full path and is bigger than the previous*/
223 pos = strlen(mnt.name);
224 mount_name = mnt.name;
225 st = static_cast<StoragePtr>(mnt.storage);
227 xbt_free(file_mount_name);
230 { /* Mount point found, deduce path + file name from full path (full path = mount name + path + file name)*/
231 path = xbt_new(char, strlen(fullpath)-strlen(mount_name));
232 strncpy(path, fullpath+pos, strlen(fullpath)-strlen(mount_name)+1);
236 xbt_die("Can't find mount point for '%s' on '%s'", fullpath, getName());
238 return st->open(mount_name, path);
241 ActionPtr Workstation::close(surf_file_t fd) {
242 StoragePtr st = findStorageOnMountList(fd->mount);
243 XBT_DEBUG("CLOSE on disk '%s'",st->getName());
244 return st->close(fd);
247 ActionPtr Workstation::read(surf_file_t fd, sg_size_t size) {
248 StoragePtr st = findStorageOnMountList(fd->mount);
249 XBT_DEBUG("READ on disk '%s'",st->getName());
250 return st->read(fd, size);
253 ActionPtr Workstation::write(surf_file_t fd, sg_size_t size) {
254 StoragePtr st = findStorageOnMountList(fd->mount);
255 XBT_DEBUG("WRITE on disk '%s'",st->getName());
256 return st->write(fd, size);
259 int Workstation::unlink(surf_file_t fd) {
261 XBT_WARN("No such file descriptor. Impossible to unlink");
264 // XBT_INFO("%s %zu", fd->storage, fd->size);
265 StoragePtr st = findStorageOnMountList(fd->mount);
266 /* Check if the file is on this storage */
267 if (!xbt_dict_get_or_null(st->p_content, fd->name)){
268 XBT_WARN("File %s is not on disk %s. Impossible to unlink", fd->name,
272 XBT_DEBUG("UNLINK on disk '%s'",st->getName());
273 st->m_usedSize -= fd->size;
275 // Remove the file from storage
276 xbt_dict_remove(st->p_content, fd->name);
286 ActionPtr Workstation::ls(const char* mount, const char *path){
287 XBT_DEBUG("LS on mount '%s' and file '%s'", mount, path);
288 StoragePtr st = findStorageOnMountList(mount);
292 sg_size_t Workstation::getSize(surf_file_t fd){
296 xbt_dynar_t Workstation::getInfo( surf_file_t fd)
298 StoragePtr st = findStorageOnMountList(fd->mount);
299 sg_size_t *psize = xbt_new(sg_size_t, 1);
301 xbt_dynar_t info = xbt_dynar_new(sizeof(void*), NULL);
302 xbt_dynar_push_as(info, sg_size_t *, psize);
303 xbt_dynar_push_as(info, void *, fd->mount);
304 xbt_dynar_push_as(info, void *, (void *)st->getName());
305 xbt_dynar_push_as(info, void *, st->p_typeId);
306 xbt_dynar_push_as(info, void *, st->p_contentType);
311 sg_size_t Workstation::fileTell(surf_file_t fd){
312 return fd->current_position;
315 int Workstation::fileSeek(surf_file_t fd, sg_size_t offset, int origin){
319 fd->current_position = 0;
322 if(offset > fd->size)
324 fd->current_position = offset;
327 fd->current_position = fd->size;
330 return MSG_TASK_CANCELED;
334 sg_size_t Workstation::getFreeSize(const char* name)
336 StoragePtr st = findStorageOnMountList(name);
337 return st->m_size - st->m_usedSize;
340 sg_size_t Workstation::getUsedSize(const char* name)
342 StoragePtr st = findStorageOnMountList(name);
343 return st->m_usedSize;
346 xbt_dynar_t Workstation::getVms()
348 xbt_dynar_t dyn = xbt_dynar_new(sizeof(smx_host_t), NULL);
350 /* iterate for all virtual machines */
351 for (WorkstationVMModel::vm_list_t::iterator iter =
352 WorkstationVMModel::ws_vms.begin();
353 iter != WorkstationVMModel::ws_vms.end(); ++iter) {
355 WorkstationVMPtr ws_vm = &*iter;
356 if (this == ws_vm-> p_subWs)
357 xbt_dynar_push(dyn, &ws_vm->p_subWs);
363 void Workstation::getParams(ws_params_t params)
368 void Workstation::setParams(ws_params_t params)
370 /* may check something here. */
378 void WorkstationAction::setState(e_surf_action_state_t state){
379 Action::setState(state);
380 surf_callback_emit(workstationActionStateChangedCallbacks, this);