import hashlib
import os
import time
+import socket
+
+from contextlib import closing
def line_count(file_path):
line_count = 0
def sessiond_spawn(runtime):
+ agent_port = find_free_port()
previous_handler = signal.signal(signal.SIGUSR1, __dummy_sigusr1_handler)
- sessiond = runtime.spawn_subprocess("lttng-sessiond -vvv -S")
+ sessiond = runtime.spawn_subprocess("lttng-sessiond -vvv -S --agent-tcp-port {}".format(agent_port))
signal.sigtimedwait({signal.SIGUSR1}, 60)
previous_handler = signal.signal(signal.SIGUSR1, previous_handler)
return sessiond
+def find_free_port():
+ # There is no guarantee that the port will be free at runtime but should be
+ # good enough
+ with closing(socket.socket(socket.AF_INET, socket.SOCK_STREAM)) as s:
+ s.bind(('', 0))
+ return s.getsockname()[1]
def file_contains(stderr_file, list_of_string):