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[simgrid.git] / src / surf / host_clm03.cpp
1 /* Copyright (c) 2013-2015. The SimGrid Team.
2  * All rights reserved.                                                     */
3
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. */
6
7 #include <cstdlib>
8
9 #include <algorithm>
10
11 #include "host_clm03.hpp"
12
13 #include "cpu_cas01.hpp"
14 #include "simgrid/sg_config.h"
15 #include "virtual_machine.hpp"
16
17 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_host);
18
19 /*************
20  * CallBacks *
21  *************/
22
23 /*********
24  * Model *
25  *********/
26
27 void surf_host_model_init_current_default(void)
28 {
29   surf_host_model = new simgrid::surf::HostCLM03Model();
30   xbt_cfg_setdefault_boolean(_sg_cfg_set, "network/crosstraffic", "yes");
31   surf_cpu_model_init_Cas01();
32   surf_network_model_init_LegrandVelho();
33
34   simgrid::surf::Model *model = surf_host_model;
35   xbt_dynar_push(all_existing_models, &model);
36 }
37
38 void surf_host_model_init_compound()
39 {
40   xbt_assert(surf_cpu_model_pm, "No CPU model defined yet!");
41   xbt_assert(surf_network_model, "No network model defined yet!");
42
43   surf_host_model = new simgrid::surf::HostCLM03Model();
44   xbt_dynar_push(all_existing_models, &surf_host_model);
45 }
46
47 namespace simgrid {
48 namespace surf {
49
50 Host *HostCLM03Model::createHost(const char *name,RoutingEdge *netElm, Cpu *cpu, xbt_dict_t props){
51   Host *host = new simgrid::surf::HostCLM03(surf_host_model, name, props,
52                   (xbt_dynar_t)xbt_lib_get_or_null(storage_lib, name, ROUTING_STORAGE_HOST_LEVEL),
53                   netElm, cpu);
54   XBT_DEBUG("Create host %s with %ld mounted disks", name, xbt_dynar_length(host->p_storage));
55   return host;
56 }
57
58 double HostCLM03Model::shareResources(double now){
59   adjustWeightOfDummyCpuActions();
60
61   double min_by_cpu = surf_cpu_model_pm->shareResources(now);
62   double min_by_net = surf_network_model->shareResourcesIsIdempotent() ? surf_network_model->shareResources(now) : -1;
63   double min_by_sto = surf_storage_model->shareResources(now);
64
65   XBT_DEBUG("model %p, %s min_by_cpu %f, %s min_by_net %f, %s min_by_sto %f",
66       this, typeid(surf_cpu_model_pm).name(), min_by_cpu,
67                 typeid(surf_network_model).name(), min_by_net,
68                         typeid(surf_storage_model).name(), min_by_sto);
69
70   double res = std::max(std::max(min_by_cpu, min_by_net), min_by_sto);
71   if (min_by_cpu >= 0.0 && min_by_cpu < res)
72         res = min_by_cpu;
73   if (min_by_net >= 0.0 && min_by_net < res)
74         res = min_by_net;
75   if (min_by_sto >= 0.0 && min_by_sto < res)
76         res = min_by_sto;
77   return res;
78 }
79
80 void HostCLM03Model::updateActionsState(double /*now*/, double /*delta*/){
81   return;
82 }
83
84 Action *HostCLM03Model::executeParallelTask(int host_nb,
85                                         sg_host_t *host_list,
86                                         double *flops_amount,
87                                         double *bytes_amount,
88                                         double rate){
89 #define cost_or_zero(array,pos) ((array)?(array)[pos]:0.0)
90   Action *action =NULL;
91   if ((host_nb == 1)
92       && (cost_or_zero(bytes_amount, 0) == 0.0)){
93     action = surf_host_execute(host_list[0],flops_amount[0]);
94   } else if ((host_nb == 1)
95            && (cost_or_zero(flops_amount, 0) == 0.0)) {
96     action = surf_network_model->communicate(sg_host_edge(host_list[0]),
97                                                  sg_host_edge(host_list[0]),
98                                                                                          bytes_amount[0], rate);
99   } else if ((host_nb == 2)
100              && (cost_or_zero(flops_amount, 0) == 0.0)
101              && (cost_or_zero(flops_amount, 1) == 0.0)) {
102     int i,nb = 0;
103     double value = 0.0;
104
105     for (i = 0; i < host_nb * host_nb; i++) {
106       if (cost_or_zero(bytes_amount, i) > 0.0) {
107         nb++;
108         value = cost_or_zero(bytes_amount, i);
109       }
110     }
111     if (nb == 1){
112       action = surf_network_model->communicate(sg_host_edge(host_list[0]),
113                                                    sg_host_edge(host_list[1]),
114                                                                                            value, rate);
115     }
116   } else
117     THROW_UNIMPLEMENTED;      /* This model does not implement parallel tasks for more than 2 hosts */
118 #undef cost_or_zero
119   xbt_free(host_list);
120   return action;
121 }
122
123 /************
124  * Resource *
125  ************/
126 HostCLM03::HostCLM03(HostModel *model, const char* name, xbt_dict_t properties, xbt_dynar_t storage, RoutingEdge *netElm, Cpu *cpu)
127   : Host(model, name, properties, storage, netElm, cpu) {}
128
129 HostCLM03::~HostCLM03()
130 {
131 }
132
133 bool HostCLM03::isUsed(){
134   THROW_IMPOSSIBLE;             /* This model does not implement parallel tasks */
135   return -1;
136 }
137
138 void HostCLM03::updateState(tmgr_trace_event_t /*event_type*/, double /*value*/, double /*date*/){
139   THROW_IMPOSSIBLE;             /* This model does not implement parallel tasks */
140 }
141
142 /**********
143  * Action *
144  **********/
145
146 }
147 }