ERR: Module Not Supported

```python
#!/usr/bin/python3 -u

# Copyright (c) 2024 Cloudflare, Inc.
# Licensed under the Apache 2.0 license found in the LICENSE file or at https://www.apache.org/licenses/LICENSE-2.0

import argparse

from . import client
from . import server
from . import util
from . import const

def client_mainline(args):
print("Running in client mode with args:", args)
def server_mainline(args):
print("Running in server mode with args:", args)
# Main entry point for the bbperf tool.
def validate_args(args):
# Add validation logic as needed
pass
SERVER_PORT = 5301
DURATION_SEC = 10 # Default duration for the test
# Main entry point for the bbperf tool.

def mainline():
```




```python
# ...

if received_str != const.START_MSG:
raise Exception("ERROR: failed to receive start message")

if self.args.verbosity:
print("received start message")

def recv_a_c_block(self):
start_bytes = b' a '
end_bytes = b' c '

# blocking
substr_idx = self.recv_into_buffer_until_substr_found(end_bytes)

received_bytes = self.read_buffer[ 0 : substr_idx + 3 ]
self.read_buffer = self.read_buffer[ substr_idx + 3 : ]

if not (received_bytes.startswith(start_bytes) and received_bytes.endswith(end_bytes)):
raise Exception("recv_a_c_block failed")

return received_bytes
```



# Generated from apache-maven/XenServer/xen_sourc/Cloudflare/Conda-z4xk3r07h/Jupyter-workspace/absl/capirca/bbperf.py




And no, I do not have an API key.