max/pixelvloed
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Fixed the problem with pixels missing in the message and prevented general exceptions from crashing the server.

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This commit is contained in:
CodePanter 2016-04-07 20:56:28 +02:00
parent 060693625f
commit d781d85745
2 changed files with 26 additions and 25 deletions
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4
client.py
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@ -14,7 +14,6 @@ import random
import time import time
class MaxSizeList(list): class MaxSizeList(list):
maxsize = 0
def __init__(self, maxcount=100): def __init__(self, maxcount=100):
self.maxsize = maxcount self.maxsize = maxcount
@ -25,7 +24,6 @@ class MaxSizeList(list):
if self.__len__() == self.maxsize: if self.__len__() == self.maxsize:
raise IndexError('max size reached') raise IndexError('max size reached')
def RGBPixel(x, y, r, g, b, a=None): # pylint: disable=C0103 def RGBPixel(x, y, r, g, b, a=None): # pylint: disable=C0103
"""Generates the packed data for a pixel""" """Generates the packed data for a pixel"""
if a: if a:
@ -55,7 +53,7 @@ def RandomFill(width=640, height=480):
message.append(pixel) message.append(pixel)
except IndexError: except IndexError:
yield ''.join(message) yield ''.join(message)
message[:] = [] message[2:] = []
message.append(pixel) message.append(pixel)
yield ''.join(message) yield ''.join(message)

3
vloed.py
View file

@ -91,6 +91,7 @@ class Canvas(object):
# while we have stuff in the queue, and its not our next time to draw a # while we have stuff in the queue, and its not our next time to draw a
# frame, lets process packets from the queue # frame, lets process packets from the queue
while time.time() < returntime and not self.queue.empty(): while time.time() < returntime and not self.queue.empty():
try:
data = self.queue.get() data = self.queue.get()
preamble = struct.unpack_from("<?", data)[0] preamble = struct.unpack_from("<?", data)[0]
protocol = struct.unpack_from("<B", data, 1)[0] protocol = struct.unpack_from("<B", data, 1)[0]
@ -111,6 +112,8 @@ class Canvas(object):
if self.debug: if self.debug:
print pixel print pixel
self.Pixel(*pixel) self.Pixel(*pixel)
except Exception as e: #All exceptions will be printed, but won't result in a crash.
print e
# indicate that we have been drawing stuff # indicate that we have been drawing stuff
return True return True