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# !/usr/bin/env python3
# -*- coding: utf-8 -*-
"""
Modelagem e Simulação de um sistema de Filas - APP Flask
"""
# Imports
import json
from flask import Flask, render_template, request, Response, session
from forms import SimulationForm
from models import RandomSimulation, RandomMM2Simulation
from simulation import get_simulation_data, get_general_summary
from simulation import get_mm2_simulation_data
# Global Variables
APP = Flask(__name__)
APP.secret_key = "socrates-plato-aristotle-zeno"
# Routes
@APP.route("/get_mm2_simulation")
def get_mm2_simulation():
"""
Retorna uma simulação realizada - modelo mm2
"""
distr = request.args.get('distr')
if distr == "uniform":
simulation = RandomMM2Simulation(
session["simulations"]["clients"],
(session["simulations"]["arv_min"], session["simulations"]["arv_max"]),
(session["simulations"]["atd_min"], session["simulations"]["atd_max"]),
"uniform").__dict__
elif distr == "exponential":
simulation = RandomMM2Simulation(
session["simulations"]["clients"],
session["simulations"]["arv_exp_mean"],
session["simulations"]["atd_exp_mean"],
"exponential").__dict__
get_mm2_simulation_data(simulation)
print("\nMY SIMULATION AFTER IS ", simulation)
print(session["simulations"])
session["simulations"]["iterations"] += 1
session["simulations"]["queue_total"] += simulation["summary"]["queue_total"]
session["simulations"]["system_total"] += simulation["summary"]["system_total"]
session["simulations"]["service_total"] += simulation["summary"]["service_total"]
session["simulations"]["server_free"] += simulation["summary"]["server_free"]
session.modified = True
return Response(json.dumps(simulation), mimetype="json")
@APP.route("/get_simulation")
def get_simulation():
"""
Retorna uma simulação realizada
"""
distr = request.args.get('distr')
if distr == "uniform":
simulation = RandomSimulation(
session["simulations"]["clients"],
(session["simulations"]["arv_min"], session["simulations"]["arv_max"]),
(session["simulations"]["atd_min"], session["simulations"]["atd_max"]),
"uniform").__dict__
elif distr == "exponential":
simulation = RandomSimulation(
session["simulations"]["clients"],
session["simulations"]["arv_exp_mean"],
session["simulations"]["atd_exp_mean"],
"exponential").__dict__
get_simulation_data(simulation)
print("\nMY SIMULATION AFTER IS ", simulation)
print(session["simulations"])
session["simulations"]["iterations"] += 1
session["simulations"]["queue_total"] += simulation["summary"]["queue_total"]
session["simulations"]["system_total"] += simulation["summary"]["system_total"]
session["simulations"]["service_total"] += simulation["summary"]["service_total"]
session["simulations"]["server_free"] += simulation["summary"]["server_free"]
session.modified = True
return Response(json.dumps(simulation), mimetype="json")
@APP.route("/general_summary")
def get_summary():
"""
Retorna o resumo geral das simulações realizadas
"""
return Response(json.dumps(get_general_summary(session["simulations"])), mimetype="json")
@APP.route("/", methods=['GET', 'POST'])
def home():
"""
Home route.
"""
sim_form = SimulationForm()
if request.method == "POST":
arrival_type = sim_form.arrival_type.data
queue_model = sim_form.queue_model.data
queue_model = queue_model if queue_model is not None and queue_model != "" else "mm1"
if arrival_type is None or sim_form.clients.data is None:
return render_template("home.html.j2", form=sim_form, failure=True)
if arrival_type == "random" and queue_model == "mm1":
if sim_form.distributions.data == "uniform" and None not in[
sim_form.arv_min.data, sim_form.arv_max.data, sim_form.atd_min.data,
sim_form.atd_max.data, sim_form.distributions.data]:
session["simulations"] = {
"simulations": [], "clients": sim_form.clients.data, "distr": "uniform",
"arv_min": sim_form.arv_min.data, "arv_max": sim_form.arv_max.data,
"atd_min": sim_form.atd_min.data, "atd_max": sim_form.atd_max.data,
"iterations": 0, "queue_total": 0, "system_total": 0,
"service_total": 0, "server_free": 0, "queue_model": "mm1"
}
return render_template(
"random.html.j2", clients=sim_form.clients.data, distr="uniform", model="mm1")
if (sim_form.distributions.data == "exponential" and
sim_form.arv_exp_mean.data is not None and
sim_form.atd_exp_mean.data is not None):
session["simulations"] = {
"simulations": [], "clients": sim_form.clients.data, "distr": "exponential",
"arv_exp_mean": sim_form.arv_exp_mean.data,
"atd_exp_mean": sim_form.atd_exp_mean.data,
"iterations": 0, "queue_total": 0, "system_total": 0,
"service_total": 0, "server_free": 0, "queue_model": "mm1"
}
return render_template(
"random.html.j2", clients=sim_form.clients.data, distr="exponential", model="mm1")
if arrival_type == "random" and queue_model == "mm2":
if sim_form.distributions.data == "uniform" and None not in[
sim_form.arv_min.data, sim_form.arv_max.data, sim_form.atd_min.data,
sim_form.atd_max.data, sim_form.distributions.data]:
session["simulations"] = {
"simulations": [], "clients": sim_form.clients.data, "distr": "uniform",
"arv_min": sim_form.arv_min.data, "arv_max": sim_form.arv_max.data,
"atd_min": sim_form.atd_min.data, "atd_max": sim_form.atd_max.data,
"iterations": 0, "queue_total": 0, "system_total": 0,
"service_total": 0, "server_free": 0, "queue_model": "mm2"
}
return render_template(
"random.html.j2", clients=sim_form.clients.data, distr="uniform", model="mm2")
if (sim_form.distributions.data == "exponential" and
sim_form.arv_exp_mean.data is not None and
sim_form.atd_exp_mean.data is not None):
session["simulations"] = {
"simulations": [], "clients": sim_form.clients.data, "distr": "exponential",
"arv_exp_mean": sim_form.arv_exp_mean.data,
"atd_exp_mean": sim_form.atd_exp_mean.data,
"iterations": 0, "queue_total": 0, "system_total": 0,
"service_total": 0, "server_free": 0, "queue_model": "mm2"
}
return render_template(
"random.html.j2", clients=sim_form.clients.data, distr="exponential", model="mm2")
return render_template("home.html.j2", form=sim_form, failure=True)
return render_template("home.html.j2", form=sim_form)
# Global code
if __name__ == "__main__":
APP.run(host='0.0.0.0', debug=True)