1 /* 2 * Copyright 2003-2007, Waldemar Kornewald <wkornew@gmx.net> 3 * Distributed under the terms of the MIT License. 4 */ 5 6 /*! \class KPPPLCPExtension 7 \brief LCP protocol extension 8 9 This class can be used to extend the supported LCP protocol codes. 10 */ 11 12 #include <KPPPLCPExtension.h> 13 #include <PPPControl.h> 14 15 16 /*! \brief Constructor. 17 18 If an error occurs in the constructor you should set \c fInitStatus. 19 20 \param name Name of the extension. 21 \param code LCP code that this extension can handle. 22 \param interface Owning interface. 23 \param settings Settings for this extension. 24 */ 25 KPPPLCPExtension::KPPPLCPExtension(const char *name, uint8 code, 26 KPPPInterface& interface, driver_parameter *settings) 27 : fInitStatus(B_OK), 28 fInterface(interface), 29 fSettings(settings), 30 fCode(code), 31 fEnabled(true) 32 { 33 if (name) 34 fName = strdup(name); 35 else 36 fName = NULL; 37 } 38 39 40 //! Destructor. Frees the name and unregisters extension from LCP protocol. 41 KPPPLCPExtension::~KPPPLCPExtension() 42 { 43 Interface().LCP().RemoveLCPExtension(this); 44 45 free(fName); 46 } 47 48 49 //! Returns \c fInitStatus. May be overridden to return status-dependend errors. 50 status_t 51 KPPPLCPExtension::InitCheck() const 52 { 53 return fInitStatus; 54 } 55 56 57 //! Allows controlling this extension from userlevel. 58 status_t 59 KPPPLCPExtension::Control(uint32 op, void *data, size_t length) 60 { 61 switch (op) { 62 case PPPC_GET_SIMPLE_HANDLER_INFO: 63 { 64 if (length < sizeof(ppp_simple_handler_info_t) || !data) 65 return B_ERROR; 66 67 ppp_simple_handler_info *info = (ppp_simple_handler_info*) data; 68 memset(info, 0, sizeof(ppp_simple_handler_info_t)); 69 if (Name()) 70 strncpy(info->name, Name(), PPP_HANDLER_NAME_LENGTH_LIMIT); 71 info->isEnabled = IsEnabled(); 72 break; 73 } 74 75 case PPPC_ENABLE: 76 if (length < sizeof(uint32) || !data) 77 return B_ERROR; 78 79 SetEnabled(*((uint32*)data)); 80 break; 81 82 default: 83 return B_BAD_VALUE; 84 } 85 86 return B_OK; 87 } 88 89 90 //! Stack ioctl handler. 91 status_t 92 KPPPLCPExtension::StackControl(uint32 op, void *data) 93 { 94 switch (op) { 95 default: 96 return B_BAD_VALUE; 97 } 98 99 return B_OK; 100 } 101 102 103 /*! \brief Reset internal connection state. 104 105 This method is called when: connecting, reconfiguring, or disconnecting. 106 */ 107 void 108 KPPPLCPExtension::Reset() 109 { 110 // do nothing by default 111 } 112 113 114 /*! \brief You may override this for periodic tasks. 115 116 This method gets called every \c PPP_PULSE_RATE microseconds. 117 */ 118 void 119 KPPPLCPExtension::Pulse() 120 { 121 // do nothing by default 122 } 123