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 dprintf("KPPPLCPExtension::Control\n"); 62 switch (op) { 63 case PPPC_GET_SIMPLE_HANDLER_INFO: 64 { 65 if (length < sizeof(ppp_simple_handler_info_t) || !data) 66 return B_ERROR; 67 68 ppp_simple_handler_info *info = (ppp_simple_handler_info*) data; 69 memset(info, 0, sizeof(ppp_simple_handler_info_t)); 70 if (Name()) 71 strncpy(info->name, Name(), PPP_HANDLER_NAME_LENGTH_LIMIT); 72 info->isEnabled = IsEnabled(); 73 break; 74 } 75 76 case PPPC_ENABLE: 77 if (length < sizeof(uint32) || !data) 78 return B_ERROR; 79 80 SetEnabled(*((uint32*)data)); 81 break; 82 83 default: 84 return B_BAD_VALUE; 85 } 86 87 return B_OK; 88 } 89 90 91 //! Stack ioctl handler. 92 status_t 93 KPPPLCPExtension::StackControl(uint32 op, void *data) 94 { 95 switch (op) { 96 default: 97 return B_BAD_VALUE; 98 } 99 100 return B_OK; 101 } 102 103 104 /*! \brief Reset internal connection state. 105 106 This method is called when: connecting, reconfiguring, or disconnecting. 107 */ 108 void 109 KPPPLCPExtension::Reset() 110 { 111 // do nothing by default 112 } 113 114 115 /*! \brief You may override this for periodic tasks. 116 117 This method gets called every \c PPP_PULSE_RATE microseconds. 118 */ 119 void 120 KPPPLCPExtension::Pulse() 121 { 122 // do nothing by default 123 } 124