import logging, logging.handlers, time, os
import common
from autotest_lib.client.common_lib import global_config


config = global_config.global_config
LOGGING_ENABLED = config.get_config_value('SERVER', 'rpc_logging', type=bool)

MEGABYTE = 1024 * 1024

rpc_logger = None

def configure_logging():
    MAX_LOG_SIZE = config.get_config_value('SERVER', 'rpc_max_log_size_mb',
                                           type=int)
    NUMBER_OF_OLD_LOGS = config.get_config_value('SERVER', 'rpc_num_old_logs',
                                                 type=int)
    log_path = config.get_config_value('SERVER', 'rpc_log_path')

    formatter = logging.Formatter(
        fmt='[%(asctime)s %(levelname)-5.5s] %(message)s',
        datefmt='%m/%d %H:%M:%S')
    handler = logging.handlers.RotatingFileHandler(log_path,
                                                 maxBytes=MAX_LOG_SIZE*MEGABYTE,
                                                 backupCount=NUMBER_OF_OLD_LOGS)
    handler.setFormatter(formatter)

    global rpc_logger
    rpc_logger = logging.getLogger('rpc_logger')
    rpc_logger.addHandler(handler)
    rpc_logger.propagate = False
    rpc_logger.setLevel(logging.DEBUG)


if LOGGING_ENABLED:
    configure_logging()