1 //----------------------------------------------------------------------- 2 // This software is part of the OpenBeOS distribution and is covered 3 // by the OpenBeOS license. 4 // 5 // Copyright (c) 2003-2004 Waldemar Kornewald, Waldemar.Kornewald@web.de 6 //----------------------------------------------------------------------- 7 8 #ifndef _K_PPP_OPTION_HANDLER__H 9 #define _K_PPP_OPTION_HANDLER__H 10 11 #include <KPPPDefs.h> 12 13 #ifndef _K_PPP_INTERFACE__H 14 #include <KPPPInterface.h> 15 #endif 16 17 class KPPPConfigurePacket; 18 19 20 class KPPPOptionHandler { 21 protected: 22 // KPPPOptionHandler must be subclassed 23 KPPPOptionHandler(const char *name, uint8 type, KPPPInterface& interface, 24 driver_parameter *settings); 25 26 public: 27 virtual ~KPPPOptionHandler(); 28 29 virtual status_t InitCheck() const; 30 31 const char *Name() const 32 { return fName; } 33 34 uint8 Type() const 35 { return fType; } 36 37 KPPPInterface& Interface() const 38 { return fInterface; } 39 driver_parameter *Settings() const 40 { return fSettings; } 41 42 void SetEnabled(bool enabled = true) 43 { fEnabled = enabled; } 44 bool IsEnabled() const 45 { return fEnabled; } 46 47 virtual status_t Control(uint32 op, void *data, size_t length); 48 virtual status_t StackControl(uint32 op, void *data); 49 // called by netstack (forwarded by KPPPInterface) 50 51 virtual void ProfileChanged(); 52 53 // we want to send a configure request or we received a reply 54 virtual status_t AddToRequest(KPPPConfigurePacket& request) = 0; 55 virtual status_t ParseNak(const KPPPConfigurePacket& nak) = 0; 56 // create next request based on these and previous values 57 virtual status_t ParseReject(const KPPPConfigurePacket& reject) = 0; 58 // create next request based on these and previous values 59 virtual status_t ParseAck(const KPPPConfigurePacket& ack) = 0; 60 // this is called for all handlers 61 62 // peer sent configure request 63 virtual status_t ParseRequest(const KPPPConfigurePacket& request, 64 int32 index, KPPPConfigurePacket& nak, KPPPConfigurePacket& reject) = 0; 65 // index may be behind the last item which means additional values can be 66 // appended 67 virtual status_t SendingAck(const KPPPConfigurePacket& ack) = 0; 68 // notification that we ack these values 69 70 virtual void Reset() = 0; 71 // e.g.: remove list of rejected values 72 73 protected: 74 status_t fInitStatus; 75 76 private: 77 char *fName; 78 uint8 fType; 79 KPPPInterface& fInterface; 80 driver_parameter *fSettings; 81 82 bool fEnabled; 83 }; 84 85 86 #endif 87