+u8 *
+format_nat44_ed_tcp_state (u8 *s, va_list *args)
+{
+ nat44_ed_tcp_state_e e = va_arg (*args, nat44_ed_tcp_state_e);
+ switch (e)
+ {
+ case NAT44_ED_TCP_STATE_CLOSED:
+ s = format (s, "closed");
+ break;
+ case NAT44_ED_TCP_STATE_SYN_I2O:
+ s = format (s, "SYN seen in in2out direction");
+ break;
+ case NAT44_ED_TCP_STATE_SYN_O2I:
+ s = format (s, "SYN seen in out2in direction");
+ break;
+ case NAT44_ED_TCP_STATE_ESTABLISHED:
+ s = format (s, "SYN seen in both directions/established");
+ break;
+ case NAT44_ED_TCP_STATE_FIN_I2O:
+ s = format (s, "FIN seen in in2out direction");
+ break;
+ case NAT44_ED_TCP_STATE_FIN_O2I:
+ s = format (s, "FIN seen in out2in direction");
+ break;
+ case NAT44_ED_TCP_STATE_RST_TRANS:
+ s = format (s, "RST seen/transitory timeout");
+ break;
+ case NAT44_ED_TCP_STATE_FIN_TRANS:
+ s = format (s, "FIN seen in both directions/transitory timeout");
+ break;
+ case NAT44_ED_TCP_STATE_FIN_REOPEN_SYN_O2I:
+ s = format (s, "FIN seen in both directions/transitory timeout/session "
+ "reopening in out2in direction");
+ break;
+ case NAT44_ED_TCP_STATE_FIN_REOPEN_SYN_I2O:
+ s = format (s, "FIN seen in both directions/transitory timeout/session "
+ "reopening in in2out direction");
+ break;
+ case NAT44_ED_TCP_N_STATE:
+ s = format (s, "BUG! unexpected N_STATE! BUG!");
+ break;
+ }
+ return s;
+}
+