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#
# Ouroboros - Copyright (C) 2016 - 2026
#
# Python API for Ouroboros - QoS
#
# Dimitri Staessens <dimitri@ouroboros.rocks>
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public License
# version 2.1 as published by the Free Software Foundation.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., http://www.fsf.org/about/contact/.
#
# Some constants
MILLION = 1000 * 1000
BILLION = 1000 * 1000 * 1000
DEFAULT_PEER_TIMEOUT = 120000
UINT32_MAX = 0xFFFFFFFF
class QoSSpec:
"""
delay: In ms, default UINT32_MAX
bandwidth: In bits / s, default 0
availability: Class of 9s, default 0
loss: Packet loss, default 1
ber: Bit error rate, errors per billion bits, default 1
in_order: In-order delivery, enables FRCT, default 0
max_gap: Maximum interruption in ms, default UINT32_MAX
timeout: Peer timeout (ms), default 120000 (2 minutes)
"""
def __init__(self,
delay: int = UINT32_MAX,
bandwidth: int = 0,
availability: int = 0,
loss: int = 1,
ber: int = 1,
in_order: int = 0,
max_gap: int = UINT32_MAX,
timeout: int = DEFAULT_PEER_TIMEOUT):
self.delay = delay
self.bandwidth = bandwidth
self.availability = availability
self.loss = loss
self.ber = ber
self.in_order = in_order
self.max_gap = max_gap
self.timeout = timeout
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