$\mathit{RO}_\mathit{run}$ & {\tt uuid} & string & unique identifier/object reference \\
$\mathit{RO}_\mathit{ins}$ & {\tt this\_host} & host ref & Currently connected host \\
$\mathit{RO}_\mathit{ins}$ & {\tt this\_user} & user ref & Currently connected user \\
+$\mathit{RO}_\mathit{run}$ & {\tt last\_active} & int & Timestamp for last time session was active \\
\hline
\end{longtable}
\subsection{Additional RPCs associated with class: session}
\vspace{0.3cm}
\vspace{0.3cm}
\vspace{0.3cm}
-\subsubsection{RPC name:~create}
+\subsubsection{RPC name:~get\_last\_active}
{\bf Overview:}
-Create a new session instance, and return its handle.
+Get the last\_active field of the given session.
\noindent {\bf Signature:}
-\begin{verbatim} (session ref) create (session_id s, session record args)\end{verbatim}
-
-
-\noindent{\bf Arguments:}
-
-
-\vspace{0.3cm}
-\begin{tabular}{|c|c|p{7cm}|}
- \hline
-{\bf type} & {\bf name} & {\bf description} \\ \hline
-{\tt session record } & args & All constructor arguments \\ \hline
-
-\end{tabular}
-
-\vspace{0.3cm}
-
- \noindent {\bf Return Type:}
-{\tt
-session ref
-}
-
-
-reference to the newly created object
-\vspace{0.3cm}
-\vspace{0.3cm}
-\vspace{0.3cm}
-\subsubsection{RPC name:~destroy}
-
-{\bf Overview:}
-Destroy the specified session instance.
-
- \noindent {\bf Signature:}
-\begin{verbatim} void destroy (session_id s, session ref self)\end{verbatim}
+\begin{verbatim} int get_last_active (session_id s, session ref self)\end{verbatim}
\noindent{\bf Arguments:}
\noindent {\bf Return Type:}
{\tt
-void
+int
}
-
+value of the field
\vspace{0.3cm}
\vspace{0.3cm}
\vspace{0.3cm}
\subsubsection{RPC name:~get\_all}
{\bf Overview:}
-Return a list of all the tasks known to the system
+Return a list of all the tasks known to the system.
\noindent {\bf Signature:}
\begin{verbatim} ((task ref) Set) get_all (session_id s)\end{verbatim}
value of the field
-\vspace{0.3cm}
-\vspace{0.3cm}
-\vspace{0.3cm}
-\subsubsection{RPC name:~create}
-
-{\bf Overview:}
-Create a new task instance, and return its handle.
-
- \noindent {\bf Signature:}
-\begin{verbatim} (task ref) create (session_id s, task record args)\end{verbatim}
-
-
-\noindent{\bf Arguments:}
-
-
-\vspace{0.3cm}
-\begin{tabular}{|c|c|p{7cm}|}
- \hline
-{\bf type} & {\bf name} & {\bf description} \\ \hline
-{\tt task record } & args & All constructor arguments \\ \hline
-
-\end{tabular}
-
-\vspace{0.3cm}
-
- \noindent {\bf Return Type:}
-{\tt
-task ref
-}
-
-
-reference to the newly created object
-\vspace{0.3cm}
-\vspace{0.3cm}
-\vspace{0.3cm}
-\subsubsection{RPC name:~destroy}
-
-{\bf Overview:}
-Destroy the specified task instance.
-
- \noindent {\bf Signature:}
-\begin{verbatim} void destroy (session_id s, task ref self)\end{verbatim}
-
-
-\noindent{\bf Arguments:}
-
-
-\vspace{0.3cm}
-\begin{tabular}{|c|c|p{7cm}|}
- \hline
-{\bf type} & {\bf name} & {\bf description} \\ \hline
-{\tt task ref } & self & reference to the object \\ \hline
-
-\end{tabular}
-
-\vspace{0.3cm}
-
- \noindent {\bf Return Type:}
-{\tt
-void
-}
-
-
-
\vspace{0.3cm}
\vspace{0.3cm}
\vspace{0.3cm}