Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

live dltlyse debug #63

Closed
wants to merge 2 commits into from
Closed

live dltlyse debug #63

Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
23b429d
feat: inline function call
birnevogel11 Feb 12, 2024
147de16
feat: add an option to clean dlt read buffer
birnevogel11 Feb 12, 2024
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
22 changes: 16 additions & 6 deletions dlt/dlt.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -613,11 +613,16 @@ def __init__(self, **kwords):
self.indexed = False
self.end = False
self.live_run = kwords.pop("is_live", False)

# Stop event for threading usage in caller
self.stop_reading = threading.Event()
# Stop event for process usage in caller
self.stop_reading_proc = multiprocessing.Event()

self.stop_reading_clean_buffer = kwords.pop("stop_reading_clean_buffer", False)
if self.stop_reading_clean_buffer:
logger.warning("Clean read buffer when receiving stop reading event: %s", self.stop_reading_clean_buffer)

def __repr__(self):
# pylint: disable=bad-continuation
return "<DLTFile object {} with {} messages>".format(
Expand Down Expand Up @@ -808,17 +813,20 @@ def __iter__(self): # pylint: disable=too-many-branches
self._open_file()

found_data = False
while not self._is_stop_reading_set() or corruption_check_try: # pylint: disable=too-many-nested-blocks
while (
not (self.stop_reading.is_set() or self.stop_reading_proc.is_set()) or corruption_check_try
): # pylint: disable=too-many-nested-blocks
os_stat = os.stat(self.filename)
mtime = os_stat.st_mtime

if mtime != cached_mtime and os_stat.st_size or corruption_check_try:
cached_mtime = mtime
corruption_check_try = False

while not self._is_stop_reading_set() and (
dltlib.dlt_file_read(ctypes.byref(self), self.verbose) >= DLT_RETURN_OK
):
while not (
not self.stop_reading_clean_buffer
and (self.stop_reading.is_set() or self.stop_reading_proc.is_set())
) and (dltlib.dlt_file_read(ctypes.byref(self), self.verbose) >= DLT_RETURN_OK):
found_data = True
if (
self.filter
Expand Down Expand Up @@ -1190,16 +1198,18 @@ def save(messages, filename, append=False):
tracefile.write(msg.to_bytes())


def load(filename, filters=None, split=False, verbose=False, live_run=False):
def load(filename, filters=None, split=False, verbose=False, live_run=False, stop_reading_clean_buffer=False):
"""Load DLT messages from a file

:param str filename: Filename for the DLT log file the messages will be store to
:param list filters: List of filters to apply [("APPID", "CTID"), ...]
:param bool split: Ignored - compatibility option
:param bool verbose: Be verbose
:param bool stop_reading_clean_buffer: Clean read buffer when receive
stop_reading signal from another threads or processes
:returns: A DLTFile object
:rtype: DLTFile object
"""
cfile = cDLTFile(filename=filename, is_live=live_run)
cfile = cDLTFile(filename=filename, is_live=live_run, stop_reading_clean_buffer=stop_reading_clean_buffer)
cfile.set_filters(filters)
return cfile
Loading