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connection: PopenTransferManager: Reset last_sample when we start a new transfer

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last_sample is initialized in the PopenTransferManager constructor.
However, there is only one PopenTransferManager instance, which is
initialized during the construction of AdbConnection.  Afterwards, the
transfer manager is reused for every file transfer, without going
through __init__().  Therefore, after pushing/pulling a big file, the
next file transfer has compares the current size to the last sample of
the previous file transfer.  This makes it believe that the transfer
is inactive.

Reinitialize last_sample every time we start a new transfer to avoid
this.
This commit is contained in:
Javi Merino 2021-04-06 17:46:31 +01:00 committed by Marc Bonnici
parent e7bafd6e5b
commit 9f55ae7603
1 changed files with 2 additions and 0 deletions
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devlib/connection.py
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@ -466,6 +466,7 @@ class PopenTransferManager(TransferManagerBase):
if self.transfer:
self.transfer.cancel()
self.transfer = None
self.last_sample = None
def isactive(self):
size_fn = self._push_dest_size if self.direction == 'push' else self._pull_dest_size
@ -477,6 +478,7 @@ class PopenTransferManager(TransferManagerBase):
def set_transfer_and_wait(self, popen_bg_cmd):
self.transfer = popen_bg_cmd
self.last_sample = None
ret = self.transfer.wait()
if ret and not self.transfer_aborted.is_set():