import signal
+import hashlib
+import os
+import time
def line_count(file_path):
line_count = 0
return line_count
+def sha256_checksum(filename, block_size=65536):
+ sha256 = hashlib.sha256()
+ with open(filename, 'rb') as f:
+ for block in iter(lambda: f.read(block_size), b''):
+ sha256.update(block)
+ return sha256.hexdigest()
+
+
+# TODO: timeout as a parameter or Settings
+# TODO: Custom exception
+def wait_for_file(path):
+ i = 0
+ timeout = 60
+ while not os.path.exists(path):
+ time.sleep(1)
+ i = i + 1
+ if i > timeout:
+ raise Exception("File still does not exists. Timeout expired")
+
+
+# TODO: find better exception
+def create_empty_file(path):
+ if os.path.exists(path):
+ raise Exception("Path already exist")
+ open(path, 'w').close()
+
+
def __dummy_sigusr1_handler():
pass
def sessiond_spawn(runtime):
- previous_handler = signal.signal(signal.SIGUSR1, __dummy_sigusr1_handler)
- sessiond = runtime.spawn_subprocess("lttng-sessiond -vvv -S")
- signal.sigtimedwait({signal.SIGUSR1}, 60)
- previous_handler = signal.signal(signal.SIGUSR1, previous_handler)
- return sessiond
+ previous_handler = signal.signal(signal.SIGUSR1, __dummy_sigusr1_handler)
+ sessiond = runtime.spawn_subprocess("lttng-sessiond -vvv -S")
+ signal.sigtimedwait({signal.SIGUSR1}, 60)
+ previous_handler = signal.signal(signal.SIGUSR1, previous_handler)
+ return sessiond
+
+
+