...
To run with OPEN_SESSIONS:
...
{timestamp} {clientaddr}:{clientport} {clientid} {method} {url} {function}({functionparams}) open_sessions({sessioncount}) {newline}
To run without OPEN_SESSIONS:
...
{timestamp} {clientaddr}:{clientport} {clientid} {method} {url} {function}({functionparams}) {newline}