def run_simulation_scenario(t, a, c, s):
"""Run a single simulation scenario with given topology, alpha, cache size
and strategy
"""
use_events_file = config.USE_EVENTS_FILE
n_contents = config.N_CONTENTS
scenarios_dir = config.SCENARIOS_DIR
topo_prefix = config.TOPO_PREFIX
es_prefix = config.ES_PREFIX
topo_file = path.join(scenarios_dir, topo_prefix + 'T=%s@C=%s.xml' % (t, str(c)))
scenario_id = 'T=%s@C=%s@A=%s@S=%s' % (t, str(c), str(a), s)
topo = read_topology(topo_file)
if use_events_file:
es_file = path.join(scenarios_dir, es_prefix + 'T=%s@A=%s.xml' % (t, str(a)))
es = read_event_schedule(es_file)
else:
es = req_generator(topo, n_contents, a)
run(topo, es, scenario_id, s)