1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
|
#include "simgrid/s4u.hpp"
#include <simgrid/s4u/Mailbox.hpp>
#include <string>
#include <sstream>
#include "inputs.hpp"
#include "simgrid/s4u/Host.hpp"
#include "simgrid/plugins/energy.h"
#include "xbt/log.h"
#define PLATFORM_FILE "platform.xml"
#define TURN_OFF() simgrid::s4u::this_actor::get_host()->set_pstate(0);
#define TURN_ON() simgrid::s4u::this_actor::get_host()->set_pstate(1);
XBT_LOG_NEW_DEFAULT_CATEGORY(simulator, "[DAO]");
typedef unsigned int u32;
class Payload{
public:
Payload():hint(0),duration(0),containsHint(false){}
double hint;
double duration;
bool containsHint;
};
/// @brief Observation unit code
static void obs_node(std::vector<std::string> args);
int main(int argc, char **argv) {
// Build engine
sg_host_energy_plugin_init();
simgrid::s4u::Engine engine(&argc, argv);
Inputs::GeneratePlatform(PLATFORM_FILE);
engine.load_platform(PLATFORM_FILE);
XBT_INFO("-------------------------------------------------");
XBT_INFO("Sarting loosely coupled data dissemination experiments");
XBT_INFO("-------------------------------------------------");
u32 nON=simgrid::s4u::Engine::get_instance()->get_host_count();
for(u32 i=0;i<nON;i++){
std::vector<std::string> args;
std::ostringstream ss;
ss<< "on" <<i;
simgrid::s4u::Actor::create("ON", simgrid::s4u::Host::by_name(ss.str()), obs_node, args);
}
// Setup/Run simulation
engine.run();
XBT_INFO("Simulation took %fs", simgrid::s4u::Engine::get_clock());
return (0);
}
static void obs_node(std::vector<std::string> args) {
std::string selfName = simgrid::s4u::this_actor::get_host()->get_name();
simgrid::s4u::this_actor::get_host()->turn_on();
Inputs i(selfName);
simgrid::s4u::Mailbox *m = simgrid::s4u::Mailbox::by_name("medium");
XBT_INFO("Deploying observation node %s",selfName.c_str());
// Init convenien variables
bool isSender=i.is_sender;
bool useHint=i.use_hint;
bool isObserver=false;
u32 data_size=i.data_size;
// Starting node
u32 nWakeUp=0;
u32 nDataRcv=0;
while(i.ShouldContinue()){
XBT_INFO("%s is spleeping",selfName.c_str());
TURN_OFF();
simgrid::s4u::this_actor::sleep_until(i.GetTS());
TURN_ON();
XBT_INFO("%s wakes up",selfName.c_str());
// Doing wake up stuff
try {
if(isSender){ // If I am a sender
Payload *p=new Payload();
if(useHint&&i.HasNext()){
p->hint=i.GetNextTS();
p->duration=i.GetNextDuration();
}
m->put(p,data_size,i.GetDuration());
XBT_INFO("%s send data successfully",selfName.c_str());
isObserver=true; // Do one send for now...
isSender=false;
}
else if (!isObserver){
Payload* p=m->get<Payload>(i.GetDuration());
nDataRcv++;
if(p->containsHint){
XBT_INFO("%s received and hint of %f",selfName.c_str(),p->hint);
i.AddEvent(p->hint, p->duration);
}
else{
XBT_INFO("%s received data successfully and switch to forwarding mode",selfName.c_str());
isSender=!isSender;
}
}
else {
XBT_INFO("%s is observing is environment...",selfName.c_str());
simgrid::s4u::this_actor::sleep_until(i.GetDuration());
}
}
catch (...)
{
if(isSender)
XBT_INFO("%s failed to send data",selfName.c_str());
else
XBT_INFO("%s failed to receive data",selfName.c_str());
}
i.GotoNextEvent();
nWakeUp++;
}
// Done
XBT_INFO("Observation node %s finished (nWakeUp:%d|nDataRcv:%d)",selfName.c_str(),nWakeUp,nDataRcv);
}
|