print 'Encoding the source information completed.'
# Decoder FLY
# Allocate the decoder data structure
decoder = libLT.mallocDecoderFLY(N)
# Add one bucket to the decoder (you need to add one per each seed or different parameters used. In practice, one per encoder)
myBucket = libLT.addAndInitBucketFLY_LT(decoder,seed,l,w,s,delta,c)
numNewReceived = libLT.receiveSymbFLY_BucketName(decoder,myBucket,encodedInfo,0,0)
# Decode the symbols
libLT.decodingProcessFLY(decoder)
# See new decoded symbols
print '\nnumber of source symbols = %s' % k
print "number of received symbols = %d" % libLT.getNumReceived(decoder)
# Count all decoded symbols
print "TOT received symbols: %d" % libLT.getNumReceived(decoder)
print "TOT decoded symbols: %d" % libLT.getNumDecoded(decoder)
result = libLT.getDecodedInformation(decoder)
for i in xrange(0,k*l):
sys.stdout.write('_%s' % (c_ubyte.from_address(result+sizeof(c_ubyte)*i).value - sourceInfo[i]))
sys.stdout.write('\n')
# Finally, free the memory
#libc.free(sourceInfo)
print('number of input symbols = %d' % k)
# ENCODER FLY
encoder = libLT.mallocEncoderFLY(seed)
libLT.setEncoderFLY_LT(encoder, w, s, delta, c)
encodedInfo, _ = libLT.LTencodeInfoFLY(encoder, l, sourceInfo, 0, N)
print('Encoding the source information completed.')
# DECODER FLY
decoder = libLT.mallocDecoderFLY(N)
myBucket = libLT.addAndInitBucketFLY_LT(decoder, seed, l, w, s, delta, c)
numNewReceived = libLT.receiveSymbFLY_BucketName(decoder, myBucket,
encodedInfo, N * l, 0, 0)
print('Decoding the received information.')
libLT.decodingProcessFLY(decoder)
print('\nnumber of received symbols = %d' % numNewReceived)
print('TOT received symbols: %d' % libLT.getNumReceived(decoder))
print('TOT decoded symbols: %d' % libLT.getNumDecoded(decoder))
outbuffer = decodedInfo = libLT.getDecodedInformation(decoder)
bytesToWrite = k * l
if (libLT.writeFile(outfile, outbuffer, bytesToWrite) == bytesToWrite):
print('Output written correctly.')
else:
print('Output NOT written correctly.')
libLT.freeEncoderFLY(encoder)
libLT.freeDecoderFLY(decoder)
# Decoder FLY
# Allocate the decoder data structure
decoder = libLT.mallocDecoderFLY(N)
# Add one bucket to the decoder (you need to add one per each seed or different parameters used. In practice, one per encoder)
myBucket = libLT.addAndInitBucketFLY_LT(decoder, seed, l, w, s, delta, c)
# In order to receive the encoded symbols in the correct bucket, it is necessary to get the pointer to the right bucket
myBucketPtr = libLT.getBucketFLY(decoder, myBucket)
# Receive the encoded symbols
numNewReceived = libLT.receiveSymbFLY(decoder, myBucketPtr, encodedInfo, 0,
0)
# Decode the symbols
libLT.decodingProcessFLY(decoder)
# See new decoded symbols
print "number of received symbols = %d\n" % libLT.getNumReceived(decoder)
# Count all decoded symbols
print "TOT received symbols: %d\n" % libLT.getNumReceived(decoder)
print "TOT decoded symbols: %d\n" % libLT.getNumDecoded(decoder)
libc.printf("sourceInfo:'%s' decoded:'%s'\n", sourceInfo,
libLT.getDecoded(decoder))
# Finally, free the memory
libc.free(sourceInfo)
libLT.freeEncoderFLY(encoder)
libLT.freeDecoderFLY(decoder)
encoder = libLT.mallocEncoderFLY(seed)
libLT.setEncoderFLY_LT(encoder,w,s,delta,c)
encodedInfo,_ = libLT.LTencodeInfoFLY(encoder,l,sourceInfo,0,N)
print('Encoding the source information completed.')
# DECODER FLY
decoder = libLT.mallocDecoderFLY(N)
myBucket = libLT.addAndInitBucketFLY_LT(decoder,seed,l,w,s,delta,c)
numNewReceived = libLT.receiveSymbFLY_BucketName(decoder,
myBucket,
encodedInfo,
N*l,
0,
0)
print('Decoding the received information.')
libLT.decodingProcessFLY(decoder)
print('\nnumber of received symbols = %d' % numNewReceived)
print('TOT received symbols: %d' % libLT.getNumReceived(decoder))
print('TOT decoded symbols: %d' % libLT.getNumDecoded(decoder))
outbuffer = decodedInfo = libLT.getDecodedInformation(decoder)
bytesToWrite = k*l
if (libLT.writeFile(outfile,outbuffer,bytesToWrite) == bytesToWrite):
print('Output written correctly.')
else:
print('Output NOT written correctly.')
libLT.freeEncoderFLY(encoder)
libLT.freeDecoderFLY(decoder)
