def handle_block(new_block_size, E, K):
# Simulator.simulate returns the number of bit errors in each block
bit_errors = Simulator.simulate(new_block_size, E)
Statistics.update(Statistics.total_transmitions)
if (bit_errors != 0):
Statistics.update(Statistics.block_errors)
try:
Receiver.receive(bit_errors)
Statistics.update(Statistics.no_error)
Statistics.update(Statistics.correctly_received_blocks)
return 0
except OneBitError:
Statistics.update(Statistics.one_bit_error)
if (K != 0):
Statistics.update(Statistics.correctly_received_blocks)
# Assume: Fixing the error requires 0 trials_time units
return 0
return bit_errors
except MultipleBitErrors:
Statistics.update(Statistics.multiple_bit_errors)
return bit_errors
def handle_block(new_block_size, E, K):
# Simulator.simulate returns the number of bit errors in each block
bit_errors = Simulator.simulate(new_block_size, E)
Statistics.update(Statistics.total_transmitions)
if (bit_errors != 0):
Statistics.update(Statistics.block_errors)
try:
Receiver.receive(bit_errors)
Statistics.update(Statistics.no_error)
Statistics.update(Statistics.correctly_received_blocks)
return 0
except OneBitError:
Statistics.update(Statistics.one_bit_error)
if (K != 0):
Statistics.update(Statistics.correctly_received_blocks)
# Assume: Fixing the error requires 0 trials_time units
return 0
return bit_errors
except MultipleBitErrors:
Statistics.update(Statistics.multiple_bit_errors)
return bit_errors
def start():
get_arguments()
# Transmitter.transmit returns the new size of a block
new_block_size = Transmitter.transmit(parameter_dict[K],
parameter_dict[F])
# for T trials, repeat the simulation
for i in range(parameter_dict[T]):
# clear this trial's variables
trials_time = 0
trials_received_frames = 0
trials_failed_frames = 0
# Set the first seed for the simulation
Simulator.set_seed(parameter_dict[TSeeds][i])
while (trials_time <= parameter_dict[R]):
trials_received_blocks = 0 # new frame
trials_failed_blocks = 0 # new frame
# set the number of blocks to be transmitted in this frame
transmissions = parameter_dict[K]
if (parameter_dict[K] == 0):
transmissions = 1
# For K blocks (or 1 if K == 0), simulate the transmission
for j in range(transmissions): # range starts at 0
# frame_failure = 0 if block was transmitted successfully
block_failure = handle_block(new_block_size,
parameter_dict[E],
parameter_dict[K])
# record block success or failure
if (block_failure > 0):
trials_failed_blocks += 1
else:
trials_received_blocks += 1
# set trials_time to number of bits and response overhead
trials_time += (parameter_dict[F] +
(parameter_dict[K] * Transmitter.r)
+ parameter_dict[A])
# update number of transmitted frames
Statistics.update(Statistics.total_frames)
# frame failed, resend the frame
if(trials_failed_blocks >= 1):
trials_failed_frames += 1
# the last frame being sent (no longer needed) see forums
#elif(trials_time > parameter_dict[R]):
# pass
# successful transmition
else:
Statistics.update(Statistics.correctly_received_frames)
trials_received_frames += 1
#a print("Trial number:", i)
#a print("Received Frames", trials_received_frames)
#a print("Failed Frames", trials_failed_frames)
# Assume: Take all K*(F+r) trials_time units into account
# even if in last frame
Statistics.append(Statistics.throughput_averages,
((parameter_dict[F] * trials_received_frames)
/ trials_time))
if(trials_received_frames != 0):
# Assume: Take all frames into account, even last frame
Statistics.append(Statistics.frame_averages,
(trials_received_frames + trials_failed_frames) /
trials_received_frames)
else:
Statistics.append(Statistics.frame_averages, 0)
# Add to total time
Statistics.statistics_dict[Statistics.total_time] += trials_time
# Call Print Statements
#a print()
#a print("----------------------------------------------")
print_input(sys.argv)
Statistics.set_final_values(parameter_dict[F], parameter_dict[R])
Statistics.print_frame_ci()
Statistics.print_throughput_ci()
def start():
get_arguments()
# Transmitter.transmit returns the new size of a block
new_block_size = Transmitter.transmit(parameter_dict[K], parameter_dict[F])
# for T trials, repeat the simulation
for i in range(parameter_dict[T]):
# clear this trial's variables
trials_time = 0
trials_received_frames = 0
trials_failed_frames = 0
# Set the first seed for the simulation
Simulator.set_seed(parameter_dict[TSeeds][i])
while (trials_time <= parameter_dict[R]):
trials_received_blocks = 0 # new frame
trials_failed_blocks = 0 # new frame
# set the number of blocks to be transmitted in this frame
transmissions = parameter_dict[K]
if (parameter_dict[K] == 0):
transmissions = 1
# For K blocks (or 1 if K == 0), simulate the transmission
for j in range(transmissions): # range starts at 0
# frame_failure = 0 if block was transmitted successfully
block_failure = handle_block(new_block_size, parameter_dict[E],
parameter_dict[K])
# record block success or failure
if (block_failure > 0):
trials_failed_blocks += 1
else:
trials_received_blocks += 1
# set trials_time to number of bits and response overhead
trials_time += (parameter_dict[F] +
(parameter_dict[K] * Transmitter.r) +
parameter_dict[A])
# update number of transmitted frames
Statistics.update(Statistics.total_frames)
# frame failed, resend the frame
if (trials_failed_blocks >= 1):
trials_failed_frames += 1
# the last frame being sent (no longer needed) see forums
#elif(trials_time > parameter_dict[R]):
# pass
# successful transmition
else:
Statistics.update(Statistics.correctly_received_frames)
trials_received_frames += 1
#a print("Trial number:", i)
#a print("Received Frames", trials_received_frames)
#a print("Failed Frames", trials_failed_frames)
# Assume: Take all K*(F+r) trials_time units into account
# even if in last frame
Statistics.append(
Statistics.throughput_averages,
((parameter_dict[F] * trials_received_frames) / trials_time))
if (trials_received_frames != 0):
# Assume: Take all frames into account, even last frame
Statistics.append(Statistics.frame_averages,
(trials_received_frames + trials_failed_frames) /
trials_received_frames)
else:
Statistics.append(Statistics.frame_averages, 0)
# Add to total time
Statistics.statistics_dict[Statistics.total_time] += trials_time
# Call Print Statements
#a print()
#a print("----------------------------------------------")
print_input(sys.argv)
Statistics.set_final_values(parameter_dict[F], parameter_dict[R])
Statistics.print_frame_ci()
Statistics.print_throughput_ci()