def process(self):
ck = self.deq()
try:
fd = os.open(ck.filename, os.O_RDONLY)
except OSError as e:
self.logger.warn("%s, Skipping ... " % e, extra=self.d)
return
os.lseek(fd, ck.offset, os.SEEK_SET)
digest = hashlib.sha1()
blocksize = 4*1024*1024 # 4MiB block
blockcount = ck.length / blocksize
remaining = ck.length % blocksize
for _ in xrange(blockcount):
digest.update(readn(fd, blocksize))
if remaining > 0:
digest.update(readn(fd, remaining))
try:
os.close(fd)
except Exception as e:
self.logger.warn(e, extra=self.d)
ck.digest = digest.hexdigest()
#self.chunkq.append(ck)
self.vsize += ck.length
self.bfsign.insert_item(ck.digest)
def process(self):
ck = self.deq()
try:
fd = os.open(ck.filename, os.O_RDONLY)
except OSError as e:
self.logger.warn("%s, Skipping ... " % e, extra=self.d)
return
os.lseek(fd, ck.offset, os.SEEK_SET)
digest = hashlib.sha1()
blocksize = 4 * 1024 * 1024 # 4MiB block
blockcount = ck.length / blocksize
remaining = ck.length % blocksize
for _ in xrange(blockcount):
digest.update(readn(fd, blocksize))
if remaining > 0:
digest.update(readn(fd, remaining))
try:
os.close(fd)
except Exception as e:
self.logger.warn(e, extra=self.d)
ck.digest = digest.hexdigest()
#self.chunkq.append(ck)
self.vsize += ck.length
self.bfsign.insert_item(ck.digest)
def read_then_write(self, rfd, wfd, work, num_of_bytes, m):
""" core entry point for copy action: first read then write.
@param num_of_bytes: the exact amount of bytes we will copy
@return: False if unsuccessful.
"""
buf = None
try:
buf = readn(rfd, num_of_bytes)
except IOError:
self.logger.error("Failed to read %s", work.src, extra=self.d)
return False
try:
writen(wfd, buf)
except IOError:
self.logger.error("Failed to write %s", work.dest, extra=self.d)
return False
if m:
m.update(buf)
return True
def read_then_write(self, rfd, wfd, work, num_of_bytes, m):
""" core entry point for copy action: first read then write.
@param num_of_bytes: the exact amount of bytes we will copy
@return: False if unsuccessful.
"""
buf = None
try:
buf = readn(rfd, num_of_bytes)
except IOError:
self.logger.error("Failed to read %s", work.src, extra=self.d)
return False
try:
writen(wfd, buf)
except IOError:
self.logger.error("Failed to write %s", work.dest, extra=self.d)
return False
if m:
m.update(buf)
return True
