def compra(assento, espetaculo, cartao):
assento = assento.split('<')[1]
assento = assento.split('>')[0]
espetaculo = espetaculo.split('<')[1]
espetaculo = espetaculo.split('>')[0]
cartao = cartao.split('<')[1]
cartao = cartao.split('>')[0]
host = HOST_TS
port = PORT_TS
tsname = espetaculo
ts = NetWorkSpace(tsname, host, port)
try:
seat = ts.fetchTry(assento)
ts.deleteVar(seat)
if (seat == None):
exit(0)
#Envio para fila de mensagens
connection = pika.BlockingConnection(
pika.ConnectionParameters(host='localhost'))
channel = connection.channel()
channel.queue_declare(queue='pendentes')
channel.basic_publish(exchange='',
routing_key='pendentes',
body=cartao + '-' + seat)
print(" [x] Mensagem recebida'")
connection.close()
aprovado = fila(assento)
if aprovado == 1:
retorno = '<link rel="stylesheet" type="text/css" media="screen" href="../static/index.css" />'
retorno += "<h1>Compra aprovada! Obrigado por comprar conosco :D</h1>"
retorno += '<br><br><button class="show"><a href="/">Home</a></button>'
return retorno
elif aprovado == 0:
ts.store(seat, assento)
retorno = '<link rel="stylesheet" type="text/css" media="screen" href="../static/index.css" />'
retorno += "<h1>Compra reprovada :( Tente com outra forma de pagamento.</h1>"
retorno += '<br><br><button class="show"><a href="/">Home</a></button>'
return retorno
else:
retorno = '<link rel="stylesheet" type="text/css" media="screen" href="../static/index.css" />'
retorno += "<h1>Falha na compra</h1>"
retorno += '<br><br><button class="show"><a href="/">Home</a></button>'
return retorno
except:
raise
return "Except: Falha na compra."
def __init__(self, ws_name='Estoque', time_sleep=1, batch_size=10):
self.time_sleep = time_sleep
self.batch_size = batch_size
#self.rmi=RMIManager()
self.workspace = NetWorkSpace(ws_name,
cfg.ts_machine_ip,
cfg.ts_machine_port,
persistent=True)
def espetaculos():
page = '<link rel="stylesheet" type="text/css" media="screen" href="../static/index.css" />'
page += '<h1>Eventos</h1>'
ts = NetWorkSpace("database", HOST_TS, PORT_TS)
for i in ts.listVars(wsName='database', format='dict'):
page += "<button class=\"show\"><a href=\"/consulta/<" + i + ">\">" + i + "</a></button><br>"
page += '<br><br><button class="show"><a href="/">Home</a></button>'
return page
def consulta(espetaculo):
form = FormCartao(request.form)
print form.errors
if request.method == 'POST':
cartao = request.form['cartao']
print cartao
espetaculo = espetaculo.split('<')[1]
espetaculo = espetaculo.split('>')[0]
port = PORT_TS
tsname = espetaculo
host = HOST_TS
ts = NetWorkSpace(tsname, host, port)
seats = ""
br = 0
try:
seats = '<link rel="stylesheet" type="text/css" media="screen" href="../static/index.css" />'
lista = ts.listVars(wsName=tsname, format='dict')
if not (lista):
seats += "<h1> Sinto muito! Evento esgotado. </h1>"
else:
seats += '<form action="" method="post">'
seats += '{{ form.csrf }}'
seats += '<div class="input text">'
seats += '{{ form.cartao.label }} {{ form.cartao }}'
seats += '</div><br>'
seats += '<button type="submit">Confirmar cartao</button>'
seats += '</form>'
if form.validate():
seats += "<h1> Assentos </h1>"
for i in sorted(lista):
seats += "<a href=\"/compra/<" + i + ">/<" + espetaculo + ">/<" + cartao + ">\"><button>"
seats += i
seats += "</button></a>"
br += 1
if (br == 10):
seats += "<br>"
br = 0
seats += '<br><br><button class="show"><a href="/">Home</a></button>'
except:
raise
seats = "There's no more seats. Sorry :("
return render_template_string(seats, form=form)
#start tuple space - twistd -y /etc/nws.tac
#deleteVar() - deleta
#find() - return a value
#store() - insere no espaco
#fetch() - retira do espaco
#fetchTry() - retira nao bloqueante
port = 8765
host = sys.argv[1]
shows = ["Red Hot Chili Peppers", "ACDC", "Linkin Park", "Iron Maiden"]
for tsname in shows:
data = NetWorkSpace("database", host, port, persistent=True)
data.declare(tsname, 'fifo')
data.store(tsname, tsname)
ts = NetWorkSpace(tsname, host, port, persistent=True)
alpha = ['A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z']
try:
for i in alpha[:10]:
for j in range(10):
ts.declare("%s%d" % (i, j), 'fifo')
ts.store("%s%d" % (i, j), "%s%d" % (i, j))
print("Creation successful!")
except:
print ("Creation failed.")
from nws.client import NetWorkSpace
import sys
#twistd -y /etc/nws.tac
port = 8765
try:
ts = NetWorkSpace(sys.argv[1], sys.argv[2], port, persistent=True)
print("Creation successful!")
except:
print("Creation failed.")
print("start_tuplespace.py <tuplespace_name> <host>")
def __init__(self):
self.ws = NetWorkSpace('Estoque', cfg.ts_machine_ip, cfg.ts_machine_port, persistent=True)
def __init__(self):
self.ws = NetWorkSpace('Estoque', '192.168.1.102', persistent=True)
