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Use deque instead of list for FIFO queue in Linux Socket buffer #1453

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merged 1 commit into from
Jun 4, 2019
Merged

Use deque instead of list for FIFO queue in Linux Socket buffer #1453

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8 changes: 5 additions & 3 deletions manticore/platforms/linux.py
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Original file line number Diff line number Diff line change
Expand Up @@ -370,7 +370,9 @@ def pair():
return a, b

def __init__(self):
self.buffer = [] # queue os bytes
from collections import deque

self.buffer = deque() # queue os bytes
self.peer = None

def __repr__(self):
Expand Down Expand Up @@ -399,7 +401,7 @@ def receive(self, size):
rx_bytes = min(size, len(self.buffer))
ret = []
for i in range(rx_bytes):
ret.append(self.buffer.pop())
ret.append(self.buffer.popleft())
return ret

def write(self, buf):
Expand All @@ -408,7 +410,7 @@ def write(self, buf):

def _transmit(self, buf):
for c in buf:
self.buffer.insert(0, c)
self.buffer.append(c)
return len(buf)

def sync(self):
Expand Down