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Make all the rate limiting options more consistent (#5181)

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Amber Brown 2019-05-15 12:06:04 -05:00 • committed by GitHub
parent 5f027a315f
commit f1e5b41388
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8 changed files with 138 additions and 131 deletions
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115
synapse/config/ratelimiting.py
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@ -16,16 +16,56 @@ from ._base import Config
class RateLimitConfig(object):
def __init__(self, config):
self.per_second = config.get("per_second", 0.17)
self.burst_count = config.get("burst_count", 3.0)
def __init__(self, config, defaults={"per_second": 0.17, "burst_count": 3.0}):
self.per_second = config.get("per_second", defaults["per_second"])
self.burst_count = config.get("burst_count", defaults["burst_count"])
class FederationRateLimitConfig(object):
_items_and_default = {
"window_size": 10000,
"sleep_limit": 10,
"sleep_delay": 500,
"reject_limit": 50,
"concurrent": 3,
}
def __init__(self, **kwargs):
for i in self._items_and_default.keys():
setattr(self, i, kwargs.get(i) or self._items_and_default[i])
class RatelimitConfig(Config):
def read_config(self, config):
self.rc_messages_per_second = config.get("rc_messages_per_second", 0.2)
self.rc_message_burst_count = config.get("rc_message_burst_count", 10.0)
# Load the new-style messages config if it exists. Otherwise fall back
# to the old method.
if "rc_message" in config:
self.rc_message = RateLimitConfig(
config["rc_message"], defaults={"per_second": 0.2, "burst_count": 10.0}
)
else:
self.rc_message = RateLimitConfig(
{
"per_second": config.get("rc_messages_per_second", 0.2),
"burst_count": config.get("rc_message_burst_count", 10.0),
}
)
# Load the new-style federation config, if it exists. Otherwise, fall
# back to the old method.
if "federation_rc" in config:
self.rc_federation = FederationRateLimitConfig(**config["rc_federation"])
else:
self.rc_federation = FederationRateLimitConfig(
**{
"window_size": config.get("federation_rc_window_size"),
"sleep_limit": config.get("federation_rc_sleep_limit"),
"sleep_delay": config.get("federation_rc_sleep_delay"),
"reject_limit": config.get("federation_rc_reject_limit"),
"concurrent": config.get("federation_rc_concurrent"),
}
)
self.rc_registration = RateLimitConfig(config.get("rc_registration", {}))
@ -33,38 +73,26 @@ class RatelimitConfig(Config):
self.rc_login_address = RateLimitConfig(rc_login_config.get("address", {}))
self.rc_login_account = RateLimitConfig(rc_login_config.get("account", {}))
self.rc_login_failed_attempts = RateLimitConfig(
rc_login_config.get("failed_attempts", {}),
rc_login_config.get("failed_attempts", {})
)
self.federation_rc_window_size = config.get("federation_rc_window_size", 1000)
self.federation_rc_sleep_limit = config.get("federation_rc_sleep_limit", 10)
self.federation_rc_sleep_delay = config.get("federation_rc_sleep_delay", 500)
self.federation_rc_reject_limit = config.get("federation_rc_reject_limit", 50)
self.federation_rc_concurrent = config.get("federation_rc_concurrent", 3)
self.federation_rr_transactions_per_room_per_second = config.get(
"federation_rr_transactions_per_room_per_second", 50,
"federation_rr_transactions_per_room_per_second", 50
)
def default_config(self, **kwargs):
return """\
## Ratelimiting ##
# Number of messages a client can send per second
#
#rc_messages_per_second: 0.2
# Number of message a client can send before being throttled
#
#rc_message_burst_count: 10.0
# Ratelimiting settings for registration and login.
# Ratelimiting settings for client actions (registration, login, messaging).
#
# Each ratelimiting configuration is made of two parameters:
# - per_second: number of requests a client can send per second.
# - burst_count: number of requests a client can send before being throttled.
#
# Synapse currently uses the following configurations:
# - one for messages that ratelimits sending based on the account the client
# is using
# - one for registration that ratelimits registration requests based on the
# client's IP address.
# - one for login that ratelimits login requests based on the client's IP
@ -77,6 +105,10 @@ class RatelimitConfig(Config):
#
# The defaults are as shown below.
#
#rc_message:
# per_second: 0.2
# burst_count: 10
#
#rc_registration:
# per_second: 0.17
# burst_count: 3
@ -92,29 +124,28 @@ class RatelimitConfig(Config):
# per_second: 0.17
# burst_count: 3
# The federation window size in milliseconds
#
#federation_rc_window_size: 1000
# The number of federation requests from a single server in a window
# before the server will delay processing the request.
# Ratelimiting settings for incoming federation
#
#federation_rc_sleep_limit: 10
# The duration in milliseconds to delay processing events from
# remote servers by if they go over the sleep limit.
# The rc_federation configuration is made up of the following settings:
# - window_size: window size in milliseconds
# - sleep_limit: number of federation requests from a single server in
# a window before the server will delay processing the request.
# - sleep_delay: duration in milliseconds to delay processing events
# from remote servers by if they go over the sleep limit.
# - reject_limit: maximum number of concurrent federation requests
# allowed from a single server
# - concurrent: number of federation requests to concurrently process
# from a single server
#
#federation_rc_sleep_delay: 500
# The maximum number of concurrent federation requests allowed
# from a single server
# The defaults are as shown below.
#
#federation_rc_reject_limit: 50
# The number of federation requests to concurrently process from a
# single server
#
#federation_rc_concurrent: 3
#rc_federation:
# window_size: 1000
# sleep_limit: 10
# sleep_delay: 500
# reject_limit: 50
# concurrent: 3
# Target outgoing federation transaction frequency for sending read-receipts,
# per-room.