def is_valid_glocktop_file(path_to_filename):
try:
fin = open(path_to_filename)
for line in fin.readlines()[0:10]:
if (line.startswith("@")):
if (not parse_snapshot(line) == None):
return True
except (UnicodeEncodeError, IOError):
return False
return False
def __analyze_file(path_to_output_file, gfs2_filesystem_names, show_ended_process_and_tlocks):
#All the snapshots for all the filesystems.
snapshots_by_filesystem = {}
# The glock that will have a container for all the lines associated with
# the glock.
gfs2_snapshot = None
# The lines that are related to this snapshot of the
# filesystem. Including glocks, waiters, etc.
snapshot_lines = []
lines = get_data_from_file(path_to_filename)
for line in lines:
# @, G, H, I, R, B, U, C, S
if ((line.startswith("@")) or (not len(line) > 0)):
if (not gfs2_snapshot == None):
# Process any previous snapshot lines before starting a
# new one. All the glocks, holder/waiters, etc.
if ((not gfs2_filesystem_names) or
(gfs2_snapshot.get_filesystem_name().strip() in gfs2_filesystem_names)):
process_snapshot(gfs2_snapshot, snapshot_lines)
if (not snapshots_by_filesystem.has_key(gfs2_snapshot.get_filesystem_name())):
snapshots_by_filesystem[gfs2_snapshot.get_filesystem_name()] = []
snapshots_by_filesystem[gfs2_snapshot.get_filesystem_name()].append(gfs2_snapshot)
# Process the new snapshot
gfs2_snapshot = parse_snapshot(line, show_ended_process_and_tlocks)
snapshot_lines = []
else:
snapshot_lines.append(line)
# Process any remaining items
if (not gfs2_snapshot == None):
if ((not gfs2_filesystem_names) or
(gfs2_snapshot.get_filesystem_name().strip() in gfs2_filesystem_names)):
process_snapshot(gfs2_snapshot, snapshot_lines)
if (not snapshots_by_filesystem.has_key(gfs2_snapshot.get_filesystem_name())):
snapshots_by_filesystem[gfs2_snapshot.get_filesystem_name()] = []
snapshots_by_filesystem[gfs2_snapshot.get_filesystem_name()].append(gfs2_snapshot)
return snapshots_by_filesystem
