"""Manage the static servers list for the client browser."""

_section = "serverlist"

def __init__(self, config=None, args=None):

# server_list is a list of dict (JSON compliant)

# [ {'key': 'zeroconf name', ip': '172.1.2.3', 'port': 61209, 'cpu': 3, 'mem': 34 ...} ... ]

# Load the configuration file

self._server_list = self.load(config)

def load(self, config):

"""Load the server list from the configuration file."""

server_list = []

if config is None:

logger.debug("No configuration file available. Cannot load server list.")

elif not config.has_section(self._section):

logger.warning(f"No [{self._section}] section in the configuration file. Cannot load server list.")

else:

logger.info(f"Start reading the [{self._section}] section in the configuration file")

for i in range(1, 256):

new_server = {}

postfix = f'server_{str(i)}_'

# Read the server name (mandatory)

for s in ['name', 'port', 'alias']:

new_server[s] = config.get_value(self._section, f'{postfix}{s}')

if new_server['name'] is not None:

# Manage optional information

if new_server['port'] is None:

new_server['port'] = '61209'

new_server['username'] = 'glances'

# By default, try empty (aka no) password

new_server['password'] = ''

try:

new_server['ip'] = gethostbyname(new_server['name'])

except gaierror as e:

logger.error("Cannot get IP address for server {} ({})".format(new_server['name'], e))

continue

new_server['key'] = new_server['name'] + ':' + new_server['port']

# Default status is 'UNKNOWN'

new_server['status'] = 'UNKNOWN'

# Server type is 'STATIC'

new_server['type'] = 'STATIC'

# Add the server to the list

logger.debug("Add server {} to the static list".format(new_server['name']))

server_list.append(new_server)

# Server list loaded

logger.info(f"{len(server_list)} server(s) loaded from the configuration file")

logger.debug(f"Static server list: {server_list}")

return server_list

def get_servers_list(self):

"""Return the current server list (list of dict)."""

return self._server_list

def set_server(self, server_pos, key, value):

"""Set the key to the value for the server_pos (position in the list)."""