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, e_surf_resource_state_t, e_surf_resource_state_t) workstationStateChangedCallbacks;
26 surf_callback(void, WorkstationActionPtr, e_surf_action_state_t, e_surf_action_state_t) workstationActionStateChangedCallbacks;
28 void workstation_parse_init(sg_platf_host_cbarg_t host)
30 surf_workstation_model->createWorkstation(host->id);
33 void workstation_add_traces(){
34 surf_workstation_model->addTraces();
40 WorkstationModel::WorkstationModel(const char *name)
43 p_cpuModel = surf_cpu_model_pm;
46 WorkstationModel::WorkstationModel()
47 : Model("Workstation") {
48 p_cpuModel = surf_cpu_model_pm;
51 WorkstationModel::~WorkstationModel() {
54 /* Each VM has a dummy CPU action on the PM layer. This CPU action works as the
55 * constraint (capacity) of the VM in the PM layer. If the VM does not have any
56 * active task, the dummy CPU action must be deactivated, so that the VM does
57 * not get any CPU share in the PM layer. */
58 void WorkstationModel::adjustWeightOfDummyCpuActions()
60 /* iterate for all virtual machines */
61 for (WorkstationVMModel::vm_list_t::iterator iter =
62 WorkstationVMModel::ws_vms.begin();
63 iter != WorkstationVMModel::ws_vms.end(); ++iter) {
65 WorkstationVMPtr ws_vm = &*iter;
66 CpuCas01Ptr cpu_cas01 = static_cast<CpuCas01Ptr>(ws_vm->p_cpu);
67 xbt_assert(cpu_cas01, "cpu-less workstation");
69 int is_active = lmm_constraint_used(cpu_cas01->getModel()->getMaxminSystem(), cpu_cas01->getConstraint());
70 // int is_active_old = constraint_is_active(cpu_cas01);
73 // xbt_assert(is_active == is_active_old, "%d %d", is_active, is_active_old);
77 /* some tasks exist on this VM */
78 XBT_DEBUG("set the weight of the dummy CPU action on PM to 1");
80 /* FIXME: we shoud use lmm_update_variable_weight() ? */
81 /* FIXME: If we assgign 1.05 and 0.05, the system makes apparently wrong values. */
82 ws_vm->p_action->setPriority(1);
85 /* no task exits on this VM */
86 XBT_DEBUG("set the weight of the dummy CPU action on PM to 0");
88 ws_vm->p_action->setPriority(0);
96 Workstation::Workstation()
98 surf_callback_emit(workstationCreatedCallbacks, this);
101 Workstation::Workstation(ModelPtr model, const char *name, xbt_dict_t props,
102 xbt_dynar_t storage, RoutingEdgePtr netElm, CpuPtr cpu)
103 : Resource(model, name, props)
104 , p_storage(storage), p_netElm(netElm), p_cpu(cpu)
106 p_params.ramsize = 0;
107 surf_callback_emit(workstationCreatedCallbacks, this);
110 Workstation::Workstation(ModelPtr model, const char *name, xbt_dict_t props, lmm_constraint_t constraint,
111 xbt_dynar_t storage, RoutingEdgePtr netElm, CpuPtr cpu)
112 : Resource(model, name, props, constraint)
113 , p_storage(storage), p_netElm(netElm), p_cpu(cpu)
115 p_params.ramsize = 0;
116 surf_callback_emit(workstationCreatedCallbacks, this);
119 Workstation::~Workstation(){
120 surf_callback_emit(workstationDestructedCallbacks, this);
123 void Workstation::setState(e_surf_resource_state_t state){
124 e_surf_resource_state_t old = Resource::getState();
125 Resource::setState(state);
126 surf_callback_emit(workstationStateChangedCallbacks, this, old, state);
129 int Workstation::getCore(){
130 return p_cpu->getCore();
133 double Workstation::getSpeed(double load){
134 return p_cpu->getSpeed(load);
137 double Workstation::getAvailableSpeed(){
138 return p_cpu->getAvailableSpeed();
141 double Workstation::getCurrentPowerPeak()
143 return p_cpu->getCurrentPowerPeak();
146 double Workstation::getPowerPeakAt(int pstate_index)
148 return p_cpu->getPowerPeakAt(pstate_index);
151 int Workstation::getNbPstates()
153 return p_cpu->getNbPstates();
156 void Workstation::setPowerPeakAt(int pstate_index)
158 p_cpu->setPowerPeakAt(pstate_index);
161 xbt_dict_t Workstation::getProperties()
163 return p_cpu->getProperties();
166 StoragePtr Workstation::findStorageOnMountList(const char* mount)
168 StoragePtr st = NULL;
172 XBT_DEBUG("Search for storage name '%s' on '%s'", mount, getName());
173 xbt_dynar_foreach(p_storage,cursor,mnt)
175 XBT_DEBUG("See '%s'",mnt.name);
176 if(!strcmp(mount,mnt.name)){
177 st = static_cast<StoragePtr>(mnt.storage);
181 if(!st) xbt_die("Can't find mount '%s' for '%s'", mount, getName());
185 xbt_dict_t Workstation::getMountedStorageList()
189 xbt_dict_t storage_list = xbt_dict_new_homogeneous(NULL);
190 char *storage_name = NULL;
192 xbt_dynar_foreach(p_storage,i,mnt){
193 storage_name = (char *)static_cast<StoragePtr>(mnt.storage)->getName();
194 xbt_dict_set(storage_list,mnt.name,storage_name,NULL);
199 xbt_dynar_t Workstation::getAttachedStorageList()
201 xbt_lib_cursor_t cursor;
204 xbt_dynar_t result = xbt_dynar_new(sizeof(void*), NULL);
205 xbt_lib_foreach(storage_lib, cursor, key, data) {
206 if(xbt_lib_get_level(xbt_lib_get_elm_or_null(storage_lib, key), SURF_STORAGE_LEVEL) != NULL) {
207 StoragePtr storage = static_cast<StoragePtr>(xbt_lib_get_level(xbt_lib_get_elm_or_null(storage_lib, key), SURF_STORAGE_LEVEL));
208 if(!strcmp((const char*)storage->p_attach,this->getName())){
209 xbt_dynar_push_as(result, void *,(void *)static_cast<ResourcePtr>(storage)->getName());
216 ActionPtr Workstation::open(const char* fullpath) {
218 StoragePtr st = NULL;
221 size_t longest_prefix_length = 0;
223 char *file_mount_name = NULL;
224 char *mount_name = NULL;
226 XBT_DEBUG("Search for storage name for '%s' on '%s'", fullpath, getName());
227 xbt_dynar_foreach(p_storage,cursor,mnt)
229 XBT_DEBUG("See '%s'",mnt.name);
230 file_mount_name = (char *) xbt_malloc ((strlen(mnt.name)+1));
231 strncpy(file_mount_name,fullpath,strlen(mnt.name)+1);
232 file_mount_name[strlen(mnt.name)] = '\0';
234 if(!strcmp(file_mount_name,mnt.name) && strlen(mnt.name)>longest_prefix_length)
235 {/* The current mount name is found in the full path and is bigger than the previous*/
236 longest_prefix_length = strlen(mnt.name);
237 st = static_cast<StoragePtr>(mnt.storage);
239 free(file_mount_name);
241 if(longest_prefix_length>0)
242 { /* Mount point found, split fullpath into mount_name and path+filename*/
243 path = (char *) xbt_malloc ((strlen(fullpath)-longest_prefix_length+1));
244 mount_name = (char *) xbt_malloc ((longest_prefix_length+1));
245 strncpy(mount_name, fullpath, longest_prefix_length+1);
246 strncpy(path, fullpath+longest_prefix_length, strlen(fullpath)-longest_prefix_length+1);
247 path[strlen(fullpath)-longest_prefix_length] = '\0';
248 mount_name[longest_prefix_length] = '\0';
251 xbt_die("Can't find mount point for '%s' on '%s'", fullpath, getName());
253 ActionPtr action = st->open((const char*)mount_name, (const char*)path);
255 free((char*)mount_name);
259 ActionPtr Workstation::close(surf_file_t fd) {
260 StoragePtr st = findStorageOnMountList(fd->mount);
261 XBT_DEBUG("CLOSE on disk '%s'",st->getName());
262 return st->close(fd);
265 ActionPtr Workstation::read(surf_file_t fd, sg_size_t size) {
266 StoragePtr st = findStorageOnMountList(fd->mount);
267 XBT_DEBUG("READ on disk '%s'",st->getName());
268 return st->read(fd, size);
271 ActionPtr Workstation::write(surf_file_t fd, sg_size_t size) {
272 StoragePtr st = findStorageOnMountList(fd->mount);
273 XBT_DEBUG("WRITE on disk '%s'",st->getName());
274 return st->write(fd, size);
277 int Workstation::unlink(surf_file_t fd) {
279 XBT_WARN("No such file descriptor. Impossible to unlink");
283 StoragePtr st = findStorageOnMountList(fd->mount);
284 /* Check if the file is on this storage */
285 if (!xbt_dict_get_or_null(st->p_content, fd->name)){
286 XBT_WARN("File %s is not on disk %s. Impossible to unlink", fd->name,
290 XBT_DEBUG("UNLINK on disk '%s'",st->getName());
291 st->m_usedSize -= fd->size;
293 // Remove the file from storage
294 xbt_dict_remove(st->p_content, fd->name);
304 sg_size_t Workstation::getSize(surf_file_t fd){
308 xbt_dynar_t Workstation::getInfo( surf_file_t fd)
310 StoragePtr st = findStorageOnMountList(fd->mount);
311 sg_size_t *psize = xbt_new(sg_size_t, 1);
313 xbt_dynar_t info = xbt_dynar_new(sizeof(void*), NULL);
314 xbt_dynar_push_as(info, sg_size_t *, psize);
315 xbt_dynar_push_as(info, void *, fd->mount);
316 xbt_dynar_push_as(info, void *, (void *)st->getName());
317 xbt_dynar_push_as(info, void *, st->p_typeId);
318 xbt_dynar_push_as(info, void *, st->p_contentType);
323 sg_size_t Workstation::fileTell(surf_file_t fd){
324 return fd->current_position;
327 int Workstation::fileSeek(surf_file_t fd, sg_size_t offset, int origin){
331 fd->current_position = offset;
334 fd->current_position += offset;
337 fd->current_position = fd->size + offset;
344 int Workstation::fileMove(surf_file_t fd, const char* fullpath){
345 /* Check if the new full path is on the same mount point */
346 if(!strncmp((const char*)fd->mount, fullpath, strlen(fd->mount))) {
347 sg_size_t *psize, *new_psize;
349 xbt_dict_get_or_null(findStorageOnMountList(fd->mount)->p_content,
351 new_psize = xbt_new(sg_size_t, 1);
353 if (psize){// src file exists
354 xbt_dict_remove(findStorageOnMountList(fd->mount)->p_content, fd->name);
355 char *path = (char *) xbt_malloc ((strlen(fullpath)-strlen(fd->mount)+1));;
356 strncpy(path, fullpath+strlen(fd->mount),
357 strlen(fullpath)-strlen(fd->mount)+1);
358 xbt_dict_set(findStorageOnMountList(fd->mount)->p_content, path,
360 XBT_DEBUG("Move file from %s to %s, size '%llu'",fd->name, fullpath, *psize);
364 XBT_WARN("File %s doesn't exist", fd->name);
368 XBT_WARN("New full path %s is not on the same mount point: %s. Action has been canceled.",
369 fullpath, fd->mount);
374 xbt_dynar_t Workstation::getVms()
376 xbt_dynar_t dyn = xbt_dynar_new(sizeof(smx_host_t), NULL);
378 /* iterate for all virtual machines */
379 for (WorkstationVMModel::vm_list_t::iterator iter =
380 WorkstationVMModel::ws_vms.begin();
381 iter != WorkstationVMModel::ws_vms.end(); ++iter) {
383 WorkstationVMPtr ws_vm = &*iter;
384 if (this == ws_vm-> p_subWs)
385 xbt_dynar_push(dyn, &ws_vm->p_subWs);
391 void Workstation::getParams(ws_params_t params)
396 void Workstation::setParams(ws_params_t params)
398 /* may check something here. */
406 void WorkstationAction::setState(e_surf_action_state_t state){
407 e_surf_action_state_t old = getState();
408 Action::setState(state);
409 surf_callback_emit(workstationActionStateChangedCallbacks, this, old, state);