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#include "Inputs.hpp"
#include <algorithm>
#include <iostream>
#include <fstream>
Inputs::Inputs(std::string node_name){
// Here we do all the boring stuff
FILE* input_file = fopen(INPUTS_FILE, "rb");
char input_file_buffer[JSON_BUFFER_SIZE];
rapidjson::FileReadStream is(input_file, input_file_buffer, sizeof(input_file_buffer));
d.ParseStream(is);
fclose(input_file);
// Init all variables
is_sender=d["nodes"][node_name.c_str()]["is_sender"].GetBool();
use_hint=d["nodes"][node_name.c_str()]["use_hint"].GetBool();
data_size=d["nodes"][node_name.c_str()]["data_size"].GetInt();
extended=d["extended"].GetBool();
simkey=d["simkey"].GetString();
seed=d["seed"].GetInt();
n_nodes=d["nodes"].MemberCount();
// Instantiate wake_ts
for(auto& v:d["nodes"][node_name.c_str()]["wake_ts"].GetArray()){
wake_ts.push_back(v.GetDouble());
}
// Instantiate wake_duration
for(auto& v:d["nodes"][node_name.c_str()]["wake_duration"].GetArray()){
wake_duration.push_back(v.GetDouble());
}
// Identity check
if(wake_ts.size()<1){
std::cerr << "Invalid node configuration: wake_ts.size() == 0" <<std::endl;
exit(1);
}
if(wake_ts.size()!=wake_duration.size()){
std::cerr << "Invalid node configuration: wake_ts.size() != wake_duration.size()" <<std::endl;
exit(1);
}
if(!std::is_sorted(wake_ts.begin(),wake_ts.end())){
std::cerr << "Invalid node configuration: wake_ts is not sorted" <<std::endl;
exit(1);
}
// Ensure events are merged
MergeEvents();
}
void Inputs::MergeEvents(){
for(int i=0;i<(wake_ts.size()-1);i++){
double cur_ts=wake_ts[i];
double next_ts=wake_ts[i+1];
double cur_duration=wake_duration[i];
double next_duration=wake_duration[i+1];
// If we should merge then
if((cur_ts+cur_duration)>=next_ts){
// Create variable for convenience
double start=cur_ts;
double end=std::max(cur_ts+cur_duration,next_ts+next_duration);
wake_duration[i]=end-start;
// Now remove next event
wake_ts.erase(wake_ts.begin() + i + 1);
wake_duration.erase(wake_duration.begin() + i +1);
// This is not optimal. Yet it is simple :D
MergeEvents();
}
}
}
double Inputs::GetNextTS(){
// Ensure that the caller is smart
if(wake_duration.size()<2){
std::cerr << "You are trying to access to the next timestamp but it does not exists" <<std::endl;
exit(1);
}
return wake_ts[1];
}
double Inputs::GetNextDuration(){
// Ensure that the caller is smart
if(wake_duration.size()<2){
std::cerr << "You are trying to access to the next duration but it does not exists" <<std::endl;
exit(1);
}
return wake_duration[1];
}
void Inputs::GotoNextEvent(){
wake_ts.erase(wake_ts.begin());
wake_duration.erase(wake_duration.begin());
}
void Inputs::DumpEvents(){
std::cout << "Timestamps: ";
for(auto a:wake_ts){
std::cout << std::setw(5) << a << " ";
}
std::cout << std::endl;
std::cout << "Wake Durations: ";
for(auto a:wake_duration){
std::cout << std::setw(5) << a << " ";
}
std::cout << std::endl;
}
void Inputs::AddEvent(double ts, double duration){
// First handle timestamp
int pos=0;
for(auto it = std::begin(wake_ts); it != std::end(wake_ts); ++it) {
if(*it>=ts){
wake_ts.insert(it,ts);
break;
}
pos++;
}
// Ensure that ts and duration should not go to the end
if(pos==wake_ts.size()){
wake_ts.push_back(ts);
wake_duration.push_back(duration);
}
else {
// Handle durations here
int pos2=0;
for(auto it = std::begin(wake_duration); it != std::end(wake_duration); ++it) {
if(pos==pos2){
wake_duration.insert(it,duration);
break;
}
else if (it+1==std::end(wake_duration)) {
wake_duration.push_back(duration);
}
pos2++;
}
}
// Don't forget
MergeEvents();
}
void Inputs::GeneratePlatform(std::string p){
// The boring stuff
FILE* input_file = fopen(INPUTS_FILE, "rb");
char input_file_buffer[JSON_BUFFER_SIZE];
rapidjson::FileReadStream is(input_file, input_file_buffer, sizeof(input_file_buffer));
rapidjson::Document d;
d.ParseStream(is);
fclose(input_file);
// Write platform file
std::ofstream pf;
pf.open (p);
pf << "<?xml version='1.0'?>\n";
pf << "<!DOCTYPE platform SYSTEM \"http://simgrid.gforge.inria.fr/simgrid/simgrid.dtd\">\n";
pf << "<platform version=\"4.1\">\n <AS id=\"AS0\" routing=\"Cluster\">\n";
pf << " <link id=\"link\" bandwidth=\"1Mbps\" latency=\"0ms\" sharing_policy=\"SHARED\"></link>\n";
for (Value::ConstMemberIterator itr = d["nodes"].MemberBegin(); itr != d["nodes"].MemberEnd(); ++itr)
{
std::string name=itr->name.GetString();
double power_off=d["nodes"][itr->name.GetString()]["power_off"].GetDouble();
double power_on=d["nodes"][itr->name.GetString()]["power_on"].GetDouble();
double power_rx=d["nodes"][itr->name.GetString()]["power_rx"].GetDouble();
double power_tx=d["nodes"][itr->name.GetString()]["power_tx"].GetDouble();
// Create node
pf << " <host id=\""<<name<<"\" speed=\"100.0f,100.0f,100.0f,100.0f\" pstate=\"0\">\n";
pf << " <prop id=\"wattage_per_state\" value=\""<< power_off<<":"<<power_off<<", "<< power_on<<":"<<power_on<<", "<<power_rx<<":"<<power_rx<<", "<<power_tx<<":"<<power_tx<<"\" />\n";
pf << " <prop id=\"wattage_off\" value=\"0\" />\n </host>\n";
pf << " <host_link id=\""<<name<<"\" up=\"link\" down=\"link\"/>\n";
}
pf << " </AS>\n</platform>\n";
pf.close();
}
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