def download_scheduler():
"""Schedule packages from download queue for downloading."""
log(format % ("-", "-", "SCHEDULEDER", "-", "Download Scheduler starting."))
time.sleep(3)
package_pool = ServerProxy("http://" + rpc_host + ":" + str(rpc_port))
while True:
if package_pool.get_conn_number() < max_parallel_downloads:
# log(format%(str(package_pool.get_conn_number()), '-', 'CONN_AVAIL', '-', '-'))
package = package_pool.get_popular()
if package != "NULL" and package_pool.is_active(package) == False:
# log(format%('-', '-', 'INACTIVE', '-', '-'))
params = package_pool.get_details(package)
if params != False:
package_pool.set_score(package, 0)
package_pool.add_conn(package)
log(format % (params[0], params[4], "SCHEDULED", params[5], "Package scheduled for download."))
forked = fork(download_from_source)
forked(params)
if package_pool.is_active(package) == True:
package_pool.set_score(package, 0)
time.sleep(3)
return
