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servers.py
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servers.py
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LICENSE_MESSAGE="""
#############################################################
# #
# This program is relased in the GNU GPL v3.0 license #
# you can modify/use this program as you wish. Please #
# link the original distribution of this software. If #
# you plan to redistribute your modified/copied copy #
# you need to relased the in GNU GPL v3.0 licence too #
# according to the overmentioned licence. #
# #
# "PROUDLY" MADE BY chkrr00k (i'm not THAT proud tbh) #
# #
#############################################################
# #
# #
# YEE #
# #
# #
#############################################################
"""
import copy
import math
RU_LBL = "Ru"
R_LBL = "R"
def table(x, y, cols, rows, indexed=True):
turtle.goto(x-2, y)
for i in range(0, cols+1):
turtle.goto(x+ i*15-2, y+ rows*15+5)
turtle.pendown()
turtle.goto(x+ i*15-2, y)
turtle.penup()
if indexed:
turtle.write(i)
turtle.goto(x-2, y)
for i in range(0, rows+1):
turtle.goto(x-2, y+ i*15+5)
turtle.pendown()
turtle.goto(x+ cols*15-2, y+ i*15 + 5)
turtle.penup()
turtle.home()
def show(x, y, e, t, c, r, f, *ar, tags=None):
if tags:
for i in range(0, len(tags)):
turtle.goto(x, y+ i*15 +20)
turtle.write(tags[i])
x+=15
capacity = list()
for ru, re, ti, cap in f(e+1, copy.deepcopy(t), copy.deepcopy(c), copy.deepcopy(r), *ar):
if len(capacity) != len(cap):
for i in range(0, len(cap)-len(capacity)):
capacity.append([])
for i in range(0, len(cap)):
capacity[i].append(cap[i])
if ti < e:
if ru >= 0:
turtle.setx(x+ ti*15)
turtle.sety(y+ 20+ru*15)
turtle.write(RU_LBL)
for pr in re:
turtle.setx(x+ ti*15)
turtle.sety(y+ 20+pr*15)
turtle.write(R_LBL)
printcap = all([True if len(c) > 0 else False for c in capacity])
size = turtle.pensize()
if printcap:
yy = y+(len(t)+1)*15
for ca in capacity:
yy += max(ca)*15 + 20
turtle.pensize(size+1)
turtle.goto(x, yy+20-max(ca)*15)
turtle.pendown()
for pos in range(0, len(ca)):
cc = ca[pos] if ca[pos] != -math.inf else 0
sx = x+ pos*15
sy = yy+ 20-(cc)*15
turtle.goto(sx, sy)
turtle.penup()
turtle.pensize(size)
table(x, y, e, len(t)+1)
if printcap:
yy = (len(t)+1)*15+y
for ca in capacity:
yy += max(ca)*15 + 20
table(x, yy+15-max(ca)*15, e, max(ca))
turtle.penup()
return yy
def bkgd(end, t, c, r, _cs, _ts):
time = 0
p = [0 for i in range(0, len(t))]
while time < end:
ready = list()
running = -1
for i in range(0, len(p)):
if time % t[i] == 0:
p[i] = 0
if running < 0 and p[i] < c[i]:
p[i] += 1
running = i
elif running >= 0 and p[i] < c[i]:
ready.append(i)
for i in range(0, len(r)):
if running < 0 and r[i][0] <= time and r[i][1] > 0:
r[i][1] -= 1
running = len(t)
elif running >= 0 and r[i][0] <= time and r[i][1] > 0 and len(t) not in ready:
ready.append(len(t))
yield running, ready, time, []
time += 1
def serverPos(t, ts, ins=True):
for i in range(0, len(t)):
if t[i] > ts:
if ins:
t.insert(i, ts)
return i
t.append(ts)
return len(t)
def plig(end, t, c, r, cap, ts):
time = 0
p = [0 for i in range(0, len(t)+1)]
ser = serverPos(t, ts)
c.insert(ser, cap)
while time < end:
ready = list()
running = -1
rr = -1
for i in range(0, len(p)):
if time % t[i] == 0:
p[i] = 0
if i == ser:
ex = False
for j in range(0, len(r)):
if running < 0 and r[j][0] <= time and r[j][1] > 0 and p[i] < c[i]:
r[j][1] -= 1
running = i
ex = True
rr = i
elif running >= 0 and r[j][0] <= time and r[j][1] > 0 and i not in ready and p[i] < c[i]:
ready.append(i)
ex = True
else:
if running < 0 and p[i] < c[i]:
p[i] += 1
running = i
elif running >= 0 and p[i] < c[i]:
ready.append(i)
cret = c[ser]-p[ser]
if not ex and running > ser or running < 0 and len(ready) == 0:
p[ser] = c[ser]
cret = 0
if cret > 0 and ser not in ready:
ready.append(ser)
yield running, ready, time, [cret]
if rr != -1:
p[rr] += 1
time += 1
def tbs(end, t, c, r, cap, ts):
time = 0
p = [0 for i in range(0, len(t))]
Us = 1-sum([c[i]/t[i] for i in range(0, len(t))])
rad = [r[i][0]+r[i][1]/Us for i in range(0, len(r))]
for i in range(0, len(rad)-1):
if rad[i] > r[i+1][0]:
rad[i] = r[i+1][0]
curCap = 0
j = 0
while time < end:
ready = list()
running = -1
if time in [ra[0] for ra in r]:
curCap = r[j][1]
for i in range(0, len(p)):
if time % t[i] == 0:
p[i] = 0
deadline = [(time//t[i])*t[i]+t[i] if p[i] < c[i] else math.inf for i in range(0, len(t))]
prec = deadline.index(min(deadline))
useCap = False
if j < len(r) and rad[j] < min(deadline) and time >= r[j][0]:
if curCap > 0 and r[j][1] > 0:
prec = -1
running = 0
r[j][1] -= 1
useCap = True
if r[j][1] == 0 and j+1 < len(r):
j+=1
for i in range(0, len(p)):
if p[i] < c[i]:
if i == prec:
p[i] += 1
running = i+1
else:
ready.append(i+1)
yield running, ready, time, [curCap]
if useCap:
curCap -= 1
time += 1
def pes(end, t, c, r, cap, ts):
time = 0
p = [0 for i in range(0, len(t)+1)]
pc = [0 for i in range(0, len(t)+1)]
ser = serverPos(t, ts)
# t.insert(ser, ts)
c.insert(ser, cap)
while time < end:
ready = list()
running = -1
rr = -1
waste = ser
if time % ts == 0:
pc[ser]=cap
for i in range(0, len(p)):
if time % t[i] == 0:
p[i] = 0
for i in range(0, len(p)):
if i == ser:
for j in range(0, len(r)):
if running < 0 and r[j][0] <= time and r[j][1] > 0 and any([ca > 0 for ca in pc]):
capDonor = math.inf
rea = math.inf
for ii in range(0, len(p)):
if pc[ii] > 0:
capDonor = min(capDonor, ii)
if p[ii] < c[ii] and ii != ser:
rea = min(rea, ii)
if capDonor != math.inf and capDonor <= rea:
r[j][1] -= 1
running = i
rr = i
waste = capDonor
elif running >= 0 and r[j][0] <= time and r[j][1] > 0 and i not in ready and pc[i] <= 0:
ready.append(i)
else:
if running < 0 and p[i] < c[i]:
p[i] += 1
running = i
elif running >= 0 and p[i] < c[i]:
ready.append(i)
yield running, ready, time, pc[ser:]
if running >= 0 and running != ser:
for i in range(0, running):
if pc[i] > 0:
pc[i] -= 1
pc[running] += 1
break
elif running == ser:
p[rr] += 1
pc[waste] -= 1
elif running < 0:
for i in range(0, len(pc)):
if pc[i] > 0:
pc[i] -= 1
break
time += 1
def defr(end, t, c, r, cap, ts):
time = 0
p = [0 for i in range(0, len(t)+1)]
ser = serverPos(t, ts)
c.insert(ser, cap)
while time < end:
ready = list()
running = -1
rr = -1
for i in range(0, len(p)):
if time % t[i] == 0:
p[i] = 0
if i == ser:
ex = False
for j in range(0, len(r)):
if running < 0 and r[j][0] <= time and r[j][1] > 0 and p[i] < c[i]:
r[j][1] -= 1
running = i
ex = True
rr = i
elif running >= 0 and r[j][0] <= time and r[j][1] > 0 and i not in ready and p[i] < c[i]:
ready.append(i)
ex = True
else:
if running < 0 and p[i] < c[i]:
p[i] += 1
running = i
elif running >= 0 and p[i] < c[i]:
ready.append(i)
cret = c[ser]-p[ser]
if cret > 0 and ser not in ready:
ready.append(ser)
yield running, ready, time, [cret]
if rr != -1:
p[rr] += 1
time += 1
e = 40
t = [4,10,32]
c = [1, 2, 8]
r = [[5, 2], [14, 3], [23, 3]]
l = 10
import turtle
cansize = (1000, 1000)
import getopt
import sys
import json
HELP_MESSAGE = """Help:
Creates the temporal tables for selected servers
-h, --help Displays this help
-l Shows the license
-c "<array>" The Ci column
-t "<array>" The Ti column
-r "<array>" The request column e.g. "[[ra, c], [ra, c]]"
with ra and c the request time and the c
-e <ticks> The ticks to simulate (default: 40)
-T <number> The Ts of the server
-C <number> The Cs of the server
Columns must be rappresented in array form. E.g. "[1,2,3,4]"
Supported servers:
--bg Background server
--ps Polling server
--tbs Total bandwith server
--pes Priority exchange server
--des Deferrable server
"""
try:
opts, args = getopt.getopt(sys.argv[1:], "hlc:r:t:e:T:C:", ["des", "bg", "ps", "tbs", "pes", "help"])
except getopt.GetoptError:
print("Error in arguments\n")
print(HELP_MESSAGE)
sys.exit(1)
s = {
"c" : [],
"r": [],
"t": [],
"e": 40,
"cs": 0,
"ts": 0,
"f": []
}
for opt, arg in opts:
if opt in ("-h", "--help"):
print(HELP_MESSAGE)
sys.exit(0)
elif opt in ("-l"):
print(LICENSE_MESSAGE)
sys.exit(0)
elif opt in ("-e"):
s["e"] = int(arg)
elif opt in ("-C"):
s["cs"] = int(arg)
elif opt in ("-T"):
s["ts"] = int(arg)
elif opt in ("-c"):
s["c"] = json.loads(arg)
elif opt in ("-t"):
s["t"] = json.loads(arg)
elif opt in ("-r"):
s["r"] = json.loads(arg)
elif opt in ("--bg"):
s["f"].append(bkgd)
elif opt in ("--ps"):
s["f"].append(plig)
elif opt in ("--tbs"):
s["f"].append(tbs)
elif opt in ("--pes"):
s["f"].append(pes)
elif opt in ("--des"):
s["f"].append(defr)
if len(s["t"]) != len(s["c"]):
print("-t must be long as -c")
sys.exit(2)
for rr in s["r"]:
if len(rr) != 2:
print("every subarray in -r must be 2 long")
sys.exit(3)
elif not(isinstance(rr[0], int) and isinstance(rr[1], int)):
print("the subarray values must be an integer")
sys.exit(4)
turtle.setup(cansize[0],cansize[1])
turtle.getscreen().setworldcoordinates(0,cansize[0],cansize[1],0)
turtle.penup()
turtle.speed(10)
turtle.color("black")
turtle.bgcolor("white")
#l=show(0, l + 40, e, [6,8,38], [1,2,9], [[6,2],[10,1],[14,4],[27,2]], pes, 3, 10)
for f in s["f"]:
l = show(0, l, s["e"], s["t"], s["c"], s["r"], f, s["cs"], s["ts"]) + 40
input("Press Enter to exit...")
##l = show(0, l, e, t, c, r, bkgd, None, tags=["p1", "p2", "p3", "Ra"])
##l = show(0, l + 40, e, t, c, r, plig, 2, 8, tags=["p1", "SS", "p2", "p3"])
##l = show(0, l + 40, e, t, c, r, tbs, 3, 8, tags=["TS", "p1", "p2", "p3"])
##l = show(0, l + 40, e, t, c, r, pes, 2, 8, tags=["PE", "p1", "p2", "p3"])
##
##l = show(0, l + 40, e, [10,15,35], [3,3,7], [[4,1],[9,2],[19,3],[29,2],[36,1]], pes, 2, 8, tags=["PE", "p1", "p2", "p3"])
#py servers.py -t "[4,10,32]" -c "[1,2,8]" -r "[[5,2],[14,3],[23,3]]" --bg
#py servers.py -t "[4,10,32]" -c "[1,2,8]" -r "[[5,2],[14,3],[23,3]]" --bg --tbs -C 2 -T 8