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Loic Guegan 2022-06-12 08:57:59 +02:00
parent dd7d5863d3
commit 8e453ed54e
1 changed files with 7 additions and 0 deletions
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esds.py
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@ -196,6 +196,11 @@ class Simulator:
def __init__(self,netmat): def __init__(self,netmat):
""" """
Format of netmat: { "interface": {"bandwidth": matrix, "latency": matrix, "is_wired":bool}} Format of netmat: { "interface": {"bandwidth": matrix, "latency": matrix, "is_wired":bool}}
For wireless interfaces the diagonal of the bandwidth and latency matrix are very important.
It determines the duration of the tranmission for THE SENDER. Thus, at each wireless communication,
and addionnal event is created for the sender that corresponds to a send to himself (diagonal of the matrices) used
to unlock him from the api.send() call. Consequently, duration of the transmission can be
different from the time at which the receivers actually receive the data (non-diagonal entries of the matrices).
""" """
self.netmat=netmat self.netmat=netmat
self.nodes=list() self.nodes=list()
@ -471,6 +476,8 @@ class Simulator:
if self.nodes[dst]["turned_on"]: if self.nodes[dst]["turned_on"]:
duration=datasize*8/self.netmat[interface]["bandwidth"][src,dst]+self.netmat[interface]["latency"][src,dst] duration=datasize*8/self.netmat[interface]["bandwidth"][src,dst]+self.netmat[interface]["latency"][src,dst]
if src == dst: if src == dst:
# This event (where src == dst) is used to notify the sender when data is received!
# Correspond to the diagonal of the network matrices (bandwidth and latency)
self.add_event(0,duration+self.time,(src,dst,interface,data,datasize,duration,datasize,self.time)) self.add_event(0,duration+self.time,(src,dst,interface,data,datasize,duration,datasize,self.time))
elif not self.interferences: elif not self.interferences:
self.add_event(0,duration+self.time,(src,dst,interface,data,datasize,duration,datasize,self.time)) self.add_event(0,duration+self.time,(src,dst,interface,data,datasize,duration,datasize,self.time))