1 /* Copyright (c) 2004, 2005, 2006, 2007, 2008, 2009, 2010. 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. */
10 #include "surf_private.h"
11 #include "surf/surf_resource.h"
12 #include "simgrid/sg_config.h"
14 typedef struct workstation_VM2013 {
15 s_surf_resource_t generic_resource; /* Must remain first to add this to a trace */
16 surf_resource_t physical_workstation; // Pointer to the host OS
17 e_msg_vm_state_t current_state; // See include/msg/datatypes.h
18 } s_workstation_VM2013_t, *workstation_VM2013_t;
20 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_vm_workstation, surf,
21 "Logging specific to the SURF VM workstation module");
23 surf_model_t surf_vm_workstation_model = NULL;
25 static void vm_ws_create(const char *name, void *ind_phys_workstation)
27 workstation_VM2013_t vm_ws = xbt_new0(s_workstation_VM2013_t, 1);
28 // TODO Complete the surf vm workstation model
29 vm_ws->generic_resource.model = surf_vm_workstation_model;
30 vm_ws->generic_resource.name = xbt_strdup(name);
31 // ind means ''indirect'' that this is a reference on the whole dict_elm structure (i.e not on the surf_resource_private infos)
32 vm_ws->physical_workstation = surf_workstation_resource_priv(ind_phys_workstation);
33 vm_ws->current_state=msg_vm_state_created,
34 xbt_lib_set(host_lib, name, SURF_WKS_LEVEL, vm_ws);
38 * Update the physical host of the given VM
40 static void vm_ws_migrate(void *ind_vm_workstation, void *ind_dest_phys_workstation)
42 /* ind_phys_workstation equals to smx_host_t */
43 workstation_VM2013_t vm_ws = surf_workstation_resource_priv(ind_vm_workstation);
48 vm_ws->physical_workstation = surf_workstation_resource_priv(ind_dest_phys_workstation);
52 * A physical host does not disapper in the current SimGrid code, but a VM may
53 * disapper during a simulation.
55 static void vm_ws_destroy(void *ind_vm_workstation)
57 /* ind_phys_workstation equals to smx_host_t */
58 workstation_VM2013_t vm_ws = surf_workstation_resource_priv(ind_vm_workstation);
60 xbt_assert(vm_ws->generic_resource.model == surf_vm_workstation_model);
62 const char *name = vm_ws->generic_resource.name;
63 /* this will call surf_resource_free() */
64 xbt_lib_unset(host_lib, name, SURF_WKS_LEVEL);
66 xbt_free(vm_ws->generic_resource.name);
70 static int vm_ws_get_state(void *ind_vm_ws){
71 return ((workstation_VM2013_t) surf_workstation_resource_priv(ind_vm_ws))->current_state;
74 static void vm_ws_set_state(void *ind_vm_ws, int state){
75 ((workstation_VM2013_t) surf_workstation_resource_priv(ind_vm_ws))->current_state=state;
79 * A surf level object will be useless in the upper layer. Returing the name
80 * will be simple and suffcient.
82 static const char *vm_ws_get_phys_host(void *ind_vm_ws)
84 workstation_VM2013_t vm_ws = surf_workstation_resource_priv(ind_vm_ws);
85 return vm_ws->physical_workstation->name;
88 static void surf_vm_workstation_model_init_internal(void)
90 surf_vm_workstation_model = surf_model_init();
92 surf_vm_workstation_model->name = "Virtual Workstation";
94 surf_vm_workstation_model->extension.vm_workstation.create = vm_ws_create;
95 surf_vm_workstation_model->extension.vm_workstation.set_state = vm_ws_set_state;
96 surf_vm_workstation_model->extension.vm_workstation.get_state = vm_ws_get_state;
97 surf_vm_workstation_model->extension.vm_workstation.migrate = vm_ws_migrate;
98 surf_vm_workstation_model->extension.vm_workstation.get_phys_host = vm_ws_get_phys_host;
99 surf_vm_workstation_model->extension.vm_workstation.destroy = vm_ws_destroy;
103 void surf_vm_workstation_model_init()
105 surf_vm_workstation_model_init_internal();
106 xbt_dynar_push(model_list, &surf_vm_workstation_model);