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Remove XBT_INFO call
[simgrid.git] / src / surf / workstation_interface.cpp
index 9af820b..b04b719 100644 (file)
@@ -1,13 +1,30 @@
+/* Copyright (c) 2013-2014. 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 "workstation_interface.hpp"
 #include "vm_workstation_interface.hpp"
 #include "cpu_cas01.hpp"
 #include "simgrid/sg_config.h"
 
+#include "network_interface.hpp"
+
 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_workstation, surf,
                                 "Logging specific to the SURF workstation module");
 
 WorkstationModelPtr surf_workstation_model = NULL;
 
+/*************
+ * Callbacks *
+ *************/
+
+surf_callback(void, WorkstationPtr) workstationCreatedCallbacks;
+surf_callback(void, WorkstationPtr) workstationDestructedCallbacks;
+surf_callback(void, WorkstationPtr) workstationStateChangedCallbacks;
+surf_callback(void, WorkstationActionPtr) workstationActionStateChangedCallbacks;
+
 /*********
  * Model *
  *********/
@@ -25,33 +42,21 @@ WorkstationModel::WorkstationModel()
 WorkstationModel::~WorkstationModel() {
 }
 
-
-
 /* 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. */
 void WorkstationModel::adjustWeightOfDummyCpuActions()
 {
-  /* 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) {
-    WorkstationPtr ws = static_cast<WorkstationPtr>(ind_host[SURF_WKS_LEVEL]);
-    CpuCas01Ptr cpu_cas01 = static_cast<CpuCas01Ptr>(ind_host[SURF_CPU_LEVEL]);
+  /* iterate for all virtual machines */
+  for (WorkstationVMModel::vm_list_t::iterator iter =
+         WorkstationVMModel::ws_vms.begin();
+       iter !=  WorkstationVMModel::ws_vms.end(); ++iter) {
 
-    if (!ws)
-      continue;
-    /* skip if it is not a virtual machine */
-    if (ws->getModel() != static_cast<ModelPtr>(surf_vm_workstation_model))
-      continue;
+    WorkstationVMPtr ws_vm = &*iter;
+    CpuCas01Ptr cpu_cas01 = static_cast<CpuCas01Ptr>(ws_vm->p_cpu);
     xbt_assert(cpu_cas01, "cpu-less workstation");
 
-    /* It is a virtual machine, so we can cast it to workstation_VM2013_t */
-    WorkstationVMPtr ws_vm = static_cast<WorkstationVMPtr>(ws);
-
     int is_active = lmm_constraint_used(cpu_cas01->getModel()->getMaxminSystem(), cpu_cas01->getConstraint());
     // int is_active_old = constraint_is_active(cpu_cas01);
 
@@ -79,17 +84,37 @@ void WorkstationModel::adjustWeightOfDummyCpuActions()
 /************
  * Resource *
  ************/
+Workstation::Workstation()
+{
+  surf_callback_emit(workstationCreatedCallbacks, this);
+}
+
 Workstation::Workstation(ModelPtr model, const char *name, xbt_dict_t props,
                                 xbt_dynar_t storage, RoutingEdgePtr netElm, CpuPtr cpu)
  : Resource(model, name, props)
  , p_storage(storage), p_netElm(netElm), p_cpu(cpu)
-{}
+{
+  p_params.ramsize = 0;
+  surf_callback_emit(workstationCreatedCallbacks, this);
+}
 
 Workstation::Workstation(ModelPtr model, const char *name, xbt_dict_t props, lmm_constraint_t constraint,
                                         xbt_dynar_t storage, RoutingEdgePtr netElm, CpuPtr cpu)
  : Resource(model, name, props, constraint)
  , p_storage(storage), p_netElm(netElm), p_cpu(cpu)
-{}
+{
+  p_params.ramsize = 0;
+  surf_callback_emit(workstationCreatedCallbacks, this);
+}
+
+Workstation::~Workstation(){
+  surf_callback_emit(workstationDestructedCallbacks, this);
+}
+
+void Workstation::setState(e_surf_resource_state_t state){
+  Resource::setState(state);
+  surf_callback_emit(workstationStateChangedCallbacks, this);
+}
 
 int Workstation::getCore(){
   return p_cpu->getCore();
@@ -147,7 +172,7 @@ StoragePtr Workstation::findStorageOnMountList(const char* mount)
   return st;
 }
 
-xbt_dict_t Workstation::getStorageList()
+xbt_dict_t Workstation::getMountedStorageList()
 {
   s_mount_t mnt;
   unsigned int i;
@@ -161,10 +186,64 @@ xbt_dict_t Workstation::getStorageList()
   return storage_list;
 }
 
-ActionPtr Workstation::open(const char* mount, const char* path) {
-  StoragePtr st = findStorageOnMountList(mount);
-  XBT_DEBUG("OPEN on disk '%s'", st->getName());
-  return st->open(mount, path);
+xbt_dynar_t Workstation::getAttachedStorageList()
+{
+  xbt_lib_cursor_t cursor;
+  char *key;
+  void **data;
+  xbt_dynar_t result = xbt_dynar_new(sizeof(void*), NULL);
+  xbt_lib_foreach(storage_lib, cursor, key, data) {
+    if(xbt_lib_get_level(xbt_lib_get_elm_or_null(storage_lib, key), SURF_STORAGE_LEVEL) != NULL) {
+         StoragePtr storage = static_cast<StoragePtr>(xbt_lib_get_level(xbt_lib_get_elm_or_null(storage_lib, key), SURF_STORAGE_LEVEL));
+         if(!strcmp((const char*)storage->p_attach,this->getName())){
+           xbt_dynar_push_as(result, void *,(void *)static_cast<ResourcePtr>(storage)->getName());
+         }
+       }
+  }
+  return result;
+}
+
+ActionPtr Workstation::open(const char* fullpath) {
+
+  StoragePtr st = NULL;
+  s_mount_t mnt;
+  unsigned int cursor;
+  size_t longest_prefix_length = 0;
+  char *path = NULL;
+  char *file_mount_name = NULL;
+  char *mount_name = NULL;
+
+  XBT_DEBUG("Search for storage name for '%s' on '%s'", fullpath, getName());
+  xbt_dynar_foreach(p_storage,cursor,mnt)
+  {
+    XBT_DEBUG("See '%s'",mnt.name);
+    file_mount_name = (char *) xbt_malloc ((strlen(mnt.name)+1));
+    strncpy(file_mount_name,fullpath,strlen(mnt.name)+1);
+    file_mount_name[strlen(mnt.name)] = '\0';
+
+    if(!strcmp(file_mount_name,mnt.name) && strlen(mnt.name)>longest_prefix_length)
+    {/* The current mount name is found in the full path and is bigger than the previous*/
+      longest_prefix_length = strlen(mnt.name);
+      st = static_cast<StoragePtr>(mnt.storage);
+    }
+    free(file_mount_name);
+  }
+  if(longest_prefix_length>0)
+  { /* Mount point found, split fullpath into mount_name and path+filename*/
+       path = (char *) xbt_malloc ((strlen(fullpath)-longest_prefix_length+1));
+       mount_name = (char *) xbt_malloc ((longest_prefix_length+1));
+       strncpy(mount_name, fullpath, longest_prefix_length+1);
+       strncpy(path, fullpath+longest_prefix_length, strlen(fullpath)-longest_prefix_length+1);
+       path[strlen(fullpath)-longest_prefix_length] = '\0';
+       mount_name[longest_prefix_length] = '\0';
+  }
+  else
+    xbt_die("Can't find mount point for '%s' on '%s'", fullpath, getName());
+
+  ActionPtr action = st->open((const char*)mount_name, (const char*)path);
+  free((char*)path);
+  free((char*)mount_name);
+  return action;
 }
 
 ActionPtr Workstation::close(surf_file_t fd) {
@@ -190,7 +269,7 @@ int Workstation::unlink(surf_file_t fd) {
     XBT_WARN("No such file descriptor. Impossible to unlink");
     return 0;
   } else {
-//    XBT_INFO("%s %zu", fd->storage, fd->size);
+
     StoragePtr st = findStorageOnMountList(fd->mount);
     /* Check if the file is on this storage */
     if (!xbt_dict_get_or_null(st->p_content, fd->name)){
@@ -260,6 +339,129 @@ int Workstation::fileSeek(surf_file_t fd, sg_size_t offset, int origin){
   }
 }
 
+int Workstation::fileMove(surf_file_t fd, const char* fullpath){
+
+  /* Check if the new full path is on the same mount point */
+  if(!strncmp((const char*)fd->mount, fullpath, strlen(fd->mount)))
+  {
+    sg_size_t *psize, *new_psize;
+    psize = (sg_size_t*) xbt_dict_get_or_null(findStorageOnMountList(fd->mount)->p_content,fd->name);
+    new_psize = xbt_new(sg_size_t, 1);
+    *new_psize = *psize;
+    if (psize){// src file exists
+         xbt_dict_remove(findStorageOnMountList(fd->mount)->p_content, fd->name);
+
+         char *path = (char *) xbt_malloc ((strlen(fullpath)-strlen(fd->mount)+1));;
+         strncpy(path, fullpath+strlen(fd->mount), strlen(fullpath)-strlen(fd->mount)+1);
+         xbt_dict_set(findStorageOnMountList(fd->mount)->p_content, path, new_psize,NULL);
+         XBT_DEBUG("Move file from %s to %s, size '%llu'",fd->name, fullpath, *psize);
+         free(path);
+         return MSG_OK;
+    }
+    else
+         XBT_WARN("File %s doesn't exist", fd->name);
+      return MSG_TASK_CANCELED;
+    }
+  else
+  {
+       XBT_WARN("New full path %s is not on the same mount point: %s. Action has been canceled.", fullpath, fd->mount);
+       return MSG_TASK_CANCELED;
+  }
+}
+
+int Workstation::fileRcopy(surf_file_t fd, surf_resource_t host_dest, const char* fullpath){
+
+  XBT_DEBUG("Rcopy file %s on %s to %s",fd->name, host_dest->key, fullpath);
+
+  /* Find the host src where the file is located */
+  StoragePtr storage = findStorageOnMountList(fd->mount);
+  const char* host_name_src = (const char*)storage->p_attach;
+
+  /* Find the real host dest where the file will be stored */
+  s_mount_t mnt;
+  unsigned int cursor;
+  StoragePtr storage_dest = NULL;
+  const char* host_name_dest;
+  char *file_mount_name;
+  size_t longest_prefix_length = 0;
+  WorkstationPtr dest_ws, src_ws;
+
+  dest_ws = static_cast<WorkstationPtr>(surf_workstation_resource_priv(host_dest));
+
+  xbt_dynar_foreach(dest_ws->p_storage,cursor,mnt)
+  {
+       file_mount_name = (char *) xbt_malloc ((strlen(mnt.name)+1));
+    strncpy(file_mount_name,fullpath,strlen(mnt.name)+1);
+    file_mount_name[strlen(mnt.name)] = '\0';
+
+       if(!strcmp(file_mount_name,mnt.name) && strlen(mnt.name)>longest_prefix_length)
+       {/* The current mount name is found in the full path and is bigger than the previous*/
+      longest_prefix_length = strlen(mnt.name);
+      storage_dest = static_cast<StoragePtr>(mnt.storage);
+       }
+       free(file_mount_name);
+  }
+  if(longest_prefix_length>0)
+  { /* Mount point found, retrieve the host the storage is attached to */
+    host_name_dest = storage_dest->p_attach;
+  }
+  else
+  {
+    XBT_WARN("Can't find mount point for '%s' on destination host '%s'", fullpath, host_dest->key);
+    return MSG_TASK_CANCELED;
+  }
+
+  /* Check that there is a route between src and dest workstations */
+  xbt_dynar_t route = NULL;
+  dest_ws = static_cast<WorkstationPtr>(surf_workstation_resource_priv(xbt_lib_get_elm_or_null(host_lib, host_name_dest)));
+  src_ws = static_cast<WorkstationPtr>(surf_workstation_resource_priv(xbt_lib_get_elm_or_null(host_lib, host_name_src)));
+
+  routing_get_route_and_latency(src_ws->p_netElm, dest_ws->p_netElm, &route, NULL);
+  if(!xbt_dynar_length (route))
+  {
+       XBT_WARN("There is no route between %s and %s. Action has been canceled", src_ws->getName(), dest_ws->getName());
+       return MSG_TASK_CANCELED;
+  }
+  else
+  {/* There is a route between src and dest, let's copy the file */
+
+    /* Read the file on the src side */
+       src_ws->read(fd, fd->size);
+
+       /* Send a message from src to dest to simulate data transfer */
+       surf_network_model->communicate(src_ws->p_netElm, dest_ws->p_netElm, fd->size, .0);
+
+       /* Create the file on the dest side and write data into it*/
+       char *mount_name, *path;
+       path = (char *) xbt_malloc ((strlen(fullpath)-longest_prefix_length+1));
+       mount_name = (char *) xbt_malloc ((longest_prefix_length+1));
+
+       /* deduce mount_name and path from fullpath */
+       strncpy(mount_name, fullpath, longest_prefix_length+1);
+       strncpy(path, fullpath+longest_prefix_length, strlen(fullpath)-longest_prefix_length+1);
+       path[strlen(fullpath)-longest_prefix_length] = '\0';
+       mount_name[longest_prefix_length] = '\0';
+
+    /* create the file */
+       StorageActionPtr open_action = storage_dest->open((const char*)mount_name, (const char*)path);
+
+       surf_file_t surf_file = xbt_new(s_surf_file_t, 1);
+       surf_file->current_position = 0;
+       surf_file->mount = mount_name;
+       surf_file->name = strdup(path);
+       surf_file->size = 0;
+
+       /* write data and close file*/
+       storage_dest->write(surf_file, fd->size);
+       storage_dest->close(open_action->p_file);
+
+       free(path);
+    free(mount_name);
+    XBT_DEBUG("File %s has been copied on %s to %s",fd->name, host_dest->key, fullpath);
+    return MSG_OK;
+  }
+}
+
 sg_size_t Workstation::getFreeSize(const char* name)
 {
   StoragePtr st = findStorageOnMountList(name);
@@ -276,20 +478,12 @@ xbt_dynar_t Workstation::getVms()
 {
   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) {
-    WorkstationPtr ws = static_cast<WorkstationPtr>(ind_host[SURF_WKS_LEVEL]);
-    if (!ws)
-      continue;
-    /* skip if it is not a virtual machine */
-    if (ws->getModel() != static_cast<ModelPtr>(surf_vm_workstation_model))
-      continue;
-
-    /* It is a virtual machine, so we can cast it to workstation_VM2013_t */
-    WorkstationVMPtr ws_vm = static_cast<WorkstationVMPtr>(ws);
+  /* iterate for all virtual machines */
+  for (WorkstationVMModel::vm_list_t::iterator iter =
+         WorkstationVMModel::ws_vms.begin();
+       iter !=  WorkstationVMModel::ws_vms.end(); ++iter) {
+
+    WorkstationVMPtr ws_vm = &*iter;
     if (this == ws_vm-> p_subWs)
       xbt_dynar_push(dyn, &ws_vm->p_subWs);
   }
@@ -299,15 +493,20 @@ xbt_dynar_t Workstation::getVms()
 
 void Workstation::getParams(ws_params_t params)
 {
-  memcpy(params, &p_params, sizeof(s_ws_params_t));
+  *params = p_params;
 }
 
 void Workstation::setParams(ws_params_t params)
 {
   /* may check something here. */
-  memcpy(&p_params, params, sizeof(s_ws_params_t));
+  p_params = *params;
 }
 
 /**********
  * Action *
  **********/
+
+void WorkstationAction::setState(e_surf_action_state_t state){
+  Action::setState(state);
+  surf_callback_emit(workstationActionStateChangedCallbacks, this);
+}