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on
T4
Running
on
T4
File size: 2,340 Bytes
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from logging import Logger
import time
class StreamingConnectionInfo:
def __init__(self, address, active_connections, latest_message_received_timestamp):
self.address = address
self.active_connections = active_connections
self.latest_message_received_timestamp = latest_message_received_timestamp
def __repr__(self):
return str(self)
def __str__(self):
return str(
{
"address": self.address,
"active_connections": self.active_connections,
"latest_message_received_timestamp": self.latest_message_received_timestamp,
}
)
class ConnectionTracker:
def __init__(self, logger: Logger):
self.connections = dict()
self.logger = logger
def __str__(self):
return str(self.connections)
def add_connection(self, address):
if address not in self.connections:
self.connections[address] = StreamingConnectionInfo(address, 1, time.time())
else:
self.connections[address].active_connections += 1
self.connections[address].latest_message_received_timestamp = time.time()
def log_recent_message(self, address):
if address in self.connections:
self.connections[address].latest_message_received_timestamp = time.time()
else:
self.logger.warning(
f"Address {address} not found in connection tracker when attempting to log recent message"
)
def remove_connection(self, address):
if address in self.connections:
self.connections[address].active_connections -= 1
if self.connections[address].active_connections < 0:
self.logger.warning(
f"Address {address} has negative active connections ({self.connections[address].active_connections})"
)
if self.connections[address].active_connections <= 0:
del self.connections[address]
else:
self.logger.warning(
f"Address {address} not found in connection tracker when attempting to remove it"
)
def get_active_connection_count(self):
return sum(
[connection.active_connections for connection in self.connections.values()]
)
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