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resume function #11

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b970ac1
resume function
yveskretzschmar Aug 9, 2018
4073d7b
Update blocksync.py
yveskretzschmar Jul 10, 2020
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19 changes: 14 additions & 5 deletions blocksync.py
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Original file line number Diff line number Diff line change
Expand Up @@ -291,11 +291,21 @@ def sync(workerid, srcdev, dsthost, dstdev, options):

t0 = time.time()
t_last = t0

if os.path.isfile("syncpos" + f.name.replace('/','___') + "_w_" + str(workerid) + "_of_" + str(options.workers)):
syncposlog = open("syncpos" + f.name.replace('/','___') + "_w_" + str(workerid) + "_of_" + str(options.workers),"r")
startpos = int(syncposlog.readline()) - blocksize
same_blocks = ( (startpos - (chunksize * workerid)) / blocksize )
syncposlog.close()
print("[worker %d] Start on %d of previous run" % (workerid, startpos), file = options.outfile)

f.seek(startpos)

size_blocks = ceil(chunksize / float(blocksize))
p_in.write(bytes(("%d\n%d\n" % (startpos, size_blocks)).encode("UTF-8")))
p_in.flush()
print("[worker %d] Start syncing %d blocks..." % (workerid, size_blocks), file = options.outfile)

for l_block in getblocks(f, blocksize):
l1_sum = hash1(l_block).digest()
r1_sum = p_out.read(hash1len)
Expand All @@ -319,13 +329,12 @@ def sync(workerid, srcdev, dsthost, dstdev, options):
p_in.flush()
p_in.write(l_block)
p_in.flush()

syncposlog = open("syncpos" + f.name.replace('/','___') + "_w_" + str(workerid) + "_of_" + str(options.workers),"w+")
syncposlog.write(str(f.tell()))
syncposlog.close()
if pause_ms:
time.sleep(pause_ms)

if not interactive:
continue

t1 = float(time.time())
if (t1 - t_last) >= interval:
done_blocks = same_blocks + diff_blocks
Expand All @@ -335,7 +344,7 @@ def sync(workerid, srcdev, dsthost, dstdev, options):
last_blocks = done_blocks
t_last = t1

if (same_blocks + diff_blocks) == size_blocks:
if (same_blocks + diff_blocks) >= size_blocks:
break

rate = size_blocks * blocksize / (1024.0 * 1024) / (time.time() - t0)
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