buggy code, but for reference if we want to reimplement it
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@ -51,24 +51,34 @@ class BurstBlocksAggregator:
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# self.blocks.append((b,previous))
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# print >>self.log, "# blocks: ", len(self.blocks)
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# detect blocks based on number of bytes sent
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#!!!!!!!!!!!!!!!!!!!!!!!!!!!
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# buggy code !!!!!!!!!!!!!!!
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#!!!!!!!!!!!!!!!!!!!!!!!!!!!
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def extract_blocks(self):
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# beginning of block. First block starts at packet 0
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b=0
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# iteration, we can start at packet 1
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i=1
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previous_mod=0
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first_seq=self.a[i][self.c("map_begin")]
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previous_seq=None
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while i<len(self.a):
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if self.a[i][self.c("is_seq")]==1:
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if (self.a[i][self.c("map_end")]-self.a[0][self.c("map_begin")])%65536==1428:
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if (self.a[i][self.c("map_end")]-self.a[0][self.c("map_begin")])%65536<previous_mod and self.a[i][self.c("map_begin")]>self.a[previous_seq][self.c("map_begin")]:
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print >>self.log, "found block beginning at ", "{:10.8f}".format(self.a[i][self.c("ts")]), "end seq:", self.a[i][self.c("map_end")]
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print >>self.log,"--------------------------------------"
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self.blocks.append((b,previous_seq))
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b = i
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# keep track of previous seq packet
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previous_seq=i
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# keep track of previous seq packet
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#print >>self.log, "recording previous seq at time ", "{:10.8f}".format(self.a[i][self.c("ts")]), "and end_seq:", self.a[i][self.c("map_end")]
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if self.a[i][self.c("map_begin")]>self.a[previous_seq][self.c("map_begin")]:
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previous_mod=(self.a[i][self.c("map_end")]-self.a[0][self.c("map_begin")])%65536
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previous_seq=i
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i=i+1
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self.blocks.append((b,i-1))
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print "last block previous_seq = " + str(previous_seq)
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print >>self.log, "Rcording last block end at time ", "{:10.8f}".format(self.a[previous_seq][self.c("ts")]), "and end_seq:", self.a[previous_seq][self.c("map_end")]
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self.blocks.append((b,previous_seq))
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print self.blocks
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print >>self.log, "# blocks: ", len(self.blocks)
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def extract_times(self):
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@ -149,6 +159,8 @@ class BurstBlocksAggregator:
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if self.a[i][self.c("map_begin")]>seq:
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return (i,self.a[i])
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i=i+1
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print "Did not find ack for:"
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print "seq : " + str(seq)
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return None
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def find_biggest_seq_in_block(self, packets):
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@ -161,6 +173,7 @@ class BurstBlocksAggregator:
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elif packets[j][self.c("map_begin")]>packets[biggest_seq][self.c("map_begin")]:
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biggest_seq=j
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j=j+1
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print >>self.log, "biggest seq in block: " + str(packets[biggest_seq][self.c("map_end")])
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return biggest_seq
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def __del__(self):
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