bool
PAP::Up()
{
TRACE("PAP: Up() state=%d\n", State());
switch (State()) {
case INITIAL:
if (Side() == PPP_LOCAL_SIDE) {
NewState(REQ_SENT);
InitializeRestartCount();
SendRequest();
} else if (Side() == PPP_PEER_SIDE) {
NewState(WAITING_FOR_REQ);
InitializeRestartCount();
fNextTimeout = system_time() + kPAPTimeout;
} else {
UpFailedEvent();
return false;
}
break;
default:
;
}
return true;
}
bool
IPCP::Down()
{
TRACE("IPCP: Down() state=%d\n", State());
switch(Interface().Phase()) {
case PPP_DOWN_PHASE:
// interface finished terminating
NewState(PPP_INITIAL_STATE);
ReportDownEvent();
// this will also reset and update addresses
break;
/* case PPP_TERMINATION_PHASE:
// interface is terminating
break;
case PPP_ESTABLISHMENT_PHASE:
// interface is reconfiguring
break;
*/
case PPP_ESTABLISHED_PHASE:
// terminate this NCP individually (block until we finished terminating)
if(State() != PPP_INITIAL_STATE && State() != PPP_CLOSING_STATE) {
NewState(PPP_CLOSING_STATE);
InitializeRestartCount();
SendTerminateRequest();
}
while(State() == PPP_CLOSING_STATE)
snooze(50000);
break;
default:
;
}
return true;
}
bool
IPCP::Up()
{
TRACE("IPCP: Up() state=%d\n", State());
// Servers do not send a configure-request when Up() is called. They wait until
// the client requests this protocol.
if(Interface().Mode() == PPP_SERVER_MODE)
return true;
switch(State()) {
case PPP_INITIAL_STATE:
NewState(PPP_REQ_SENT_STATE);
InitializeRestartCount();
SendConfigureRequest();
break;
default:
;
}
return true;
}
void
IPCP::RCRGoodEvent(struct mbuf *packet)
{
TRACE("IPCP: RCRGoodEvent() state=%d\n", State());
switch(State()) {
case PPP_INITIAL_STATE:
NewState(PPP_ACK_SENT_STATE);
InitializeRestartCount();
SendConfigureRequest();
SendConfigureAck(packet);
break;
case PPP_REQ_SENT_STATE:
NewState(PPP_ACK_SENT_STATE);
case PPP_ACK_SENT_STATE:
SendConfigureAck(packet);
break;
case PPP_ACK_RCVD_STATE:
NewState(PPP_OPENED_STATE);
SendConfigureAck(packet);
ReportUpEvent();
break;
case PPP_OPENED_STATE:
NewState(PPP_ACK_SENT_STATE);
SendConfigureRequest();
SendConfigureAck(packet);
break;
default:
m_freem(packet);
}
}
