206 lines
5.0 KiB
Python
206 lines
5.0 KiB
Python
# Client program "cellular"
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from socket import *
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import sys, time
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from math import *
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from random import randint
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from copy import deepcopy
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# Set the socket parameters
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local_port = 5001
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# UDP webserver port to bypass frameserver for testing
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remote_port = 4422
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# port to frameserver
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#remote_port = 4321
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# TODO: autodetect interface address for remote application
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outgoing_if = "127.0.0.1"
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remote_host = "127.0.0.1"
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# udp is the default for DGRAM
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UDPSock = socket(AF_INET, SOCK_DGRAM)
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# we MUST bind, otherwise python will choose a different port for each
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# connection
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UDPSock.bind((outgoing_if, local_port))
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# we will not use connections so we can keep working even if the server
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# goes down or refuses connection
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#UDPSock.connect((remote_host, remote_port))
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# this is our handshake, weak certification
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hash = "s2l\n<8<18 " # 10 bytes
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# plus 2 bytes below
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alpha = chr(255)
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z_buffer = chr(1) + "\n"
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# frame of 2 dimensional array holding data [r,g,b,a]
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wdata = []
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# segment display, each segment holds 8 values of [r,g,b,a]
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sdata = []
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# setup window area, channels and segments
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segwindows = 12
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segments = 8 # number of segments in a window (7 + period/dot/point)
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width = 12
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height = 8
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segchannels = 4 # RGBA
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# timing elements
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# timer will hold the elapsed time in seconds
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timer = 0
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sleeptime = 100 # milliseconds
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frequency = 1000 / sleeptime # frames per second
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# function resets map to zero
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def set_wdata(r, g, b):
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for x in xrange(width):
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wdata.append([0] * height)
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for y in xrange(height):
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# create an SRGBA array at each location
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# where S is the state, and RGBA is colour
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wdata[x][y] = [0, r, g, b, 1]
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# function resets segment display
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def set_sdata(r, g, b):
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global sdata
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sdata = []
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for s in xrange(segwindows):
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sdata.append([0] * segments)
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for seg in xrange(segments):
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# create an SRGBA array at each location
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# where S is the state, and RGBA is colour
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sdata[s][seg] = [0, r, g, b, 1]
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# convert [r,g,b,a] to chr string
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def i2c(rgba):
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# ignore rgba[0] because it is the state
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return chr(int(rgba[1])) + chr(int(rgba[2])) + chr(int(rgba[3])) + chr(int(rgba[4]))
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# function sends wdata and sdata state to server
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def send_update():
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#zero out the data buffer
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data = hash
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data = data + z_buffer # 12 bytes
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# write frame data
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for y in xrange(height):
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for x in xrange(width):
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data = data + i2c( wdata[x][y] )
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#print str(wdata[x][y]) + " ",
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#print "\n"
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data = data + "\n"
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# write segment window displays
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for s in xrange(segwindows):
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for seg in xrange(segments):
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data = data + i2c( sdata[s][seg] )
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data = data + "\n"
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# print data
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# send the data packet to remote host
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UDPSock.sendto(data,(remote_host,remote_port))
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# initialize map
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set_wdata(67,67,67)
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set_sdata(0,0,255)
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# set start seed
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# get random location
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rx = randint(0, width - 1)
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ry = randint(0, height - 1)
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wdata[rx][ry] = [1,1,0,0,1]
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print "origin(" + str(rx) + "," + str(ry) + ")"
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def has_active_neighb(x, y):
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# check the cell to the left
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if x > 0 and wdata[x - 1][y][0] > 0:
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return True
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# check the cell above
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if y > 0 and wdata[x][y - 1][0] > 0:
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return True
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# check the cell to the right
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if x < (width - 1) and wdata[x + 1][y][0] > 0:
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return True
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# check the cell below
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if y < (height - 1) and wdata[x][y + 1][0] > 0:
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return True
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# main logic loop
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for t in range(60):
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# push update to clients
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send_update()
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# create CA buffer
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data_buffer = deepcopy(wdata)
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for y in xrange(height):
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for x in xrange(width):
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# if cell is active, increase its rating/value
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if wdata[x][y][0] > 0:
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# change the state of the cell
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data_buffer[x][y][0] += 10
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# assign stat to red colour
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data_buffer[x][y][1] = data_buffer[x][y][0]
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# check we don't go too high
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if data_buffer[x][y][0] > 127:
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data_buffer[x][y][1] = 127
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# assign stat to green colour
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data_buffer[x][y][2] = data_buffer[x][y][0] - 127
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if data_buffer[x][y][0] > 255:
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data_buffer[x][y][2] = 127
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# assign stat to blue colour
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data_buffer[x][y][3] = data_buffer[x][y][0] - 255
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if data_buffer[x][y][0] > 383:
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data_buffer[x][y][3] = 127
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set_sdata(0,0,0)
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# E
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sdata[0][0] = [0,255,0,0,1]
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sdata[0][3] = [0,255,0,0,1]
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sdata[0][4] = [0,255,0,0,1]
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sdata[0][5] = [0,255,0,0,1]
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sdata[0][6] = [0,255,0,0,1]
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# N
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sdata[1][2] = [0,255,0,0,1]
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sdata[1][4] = [0,255,0,0,1]
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sdata[1][5] = [0,255,0,0,1]
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sdata[1][6] = [0,255,0,0,1]
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# D
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sdata[2][1] = [0,255,0,0,1]
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sdata[2][2] = [0,255,0,0,1]
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sdata[2][3] = [0,255,0,0,1]
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sdata[2][4] = [0,255,0,0,1]
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sdata[2][6] = [0,255,0,0,1]
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send_update()
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exit()
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# if not active, check if adjacent cell is active
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if wdata[x][y][0] == 0 and has_active_neighb(x, y):
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# activate and colour
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data_buffer[x][y][0] = 1
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data_buffer[x][y][1] = 1
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data_buffer[x][y][2] = 0
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data_buffer[x][y][3] = 0
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# set wdata to new buffer
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wdata = data_buffer
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# wait to paint process next frame
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time.sleep(sleeptime/1000.0)
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# close socket
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UDPSock.close()
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