src/apps/debugger/target_host_interface/TargetHostInterfaceRoster.cpp

   1 /*
   2  * Copyright 2016, Rene Gollent, rene@gollent.com.
   3  * Distributed under the terms of the MIT License.
   4  */
   5 #include "TargetHostInterfaceRoster.h"
   6
   7 #include <new>
   8
   9 #include <AutoDeleter.h>
  10
  11 #include "LocalTargetHostInterfaceInfo.h"
  12 #include "TargetHostInterface.h"
  13 #include "TargetHostInterfaceInfo.h"
  14
  15
  16 /*static*/ TargetHostInterfaceRoster*
  17         TargetHostInterfaceRoster::sDefaultInstance = NULL;
  18
  19
  20 TargetHostInterfaceRoster::TargetHostInterfaceRoster()
  21         :
  22         fLock(),
  23         fInterfaceInfos(20, false),
  24         fActiveInterfaces(20, false)
  25 {
  26 }
  27
  28
  29 TargetHostInterfaceRoster::~TargetHostInterfaceRoster()
  30 {
  31 }
  32
  33
  34 /*static*/ TargetHostInterfaceRoster*
  35 TargetHostInterfaceRoster::Default()
  36 {
  37         return sDefaultInstance;
  38 }
  39
  40
  41 /*static*/ status_t
  42 TargetHostInterfaceRoster::CreateDefault()
  43 {
  44         if (sDefaultInstance != NULL)
  45                 return B_OK;
  46
  47         TargetHostInterfaceRoster* roster
  48                 = new(std::nothrow) TargetHostInterfaceRoster;
  49         if (roster == NULL)
  50                 return B_NO_MEMORY;
  51         ObjectDeleter<TargetHostInterfaceRoster> rosterDeleter(roster);
  52
  53         status_t error = roster->Init();
  54         if (error != B_OK)
  55                 return error;
  56
  57         error = roster->RegisterInterfaceInfos();
  58         if (error != B_OK)
  59                 return error;
  60
  61         sDefaultInstance = rosterDeleter.Detach();
  62         return B_OK;
  63 }
  64
  65
  66 /*static*/ void
  67 TargetHostInterfaceRoster::DeleteDefault()
  68 {
  69         TargetHostInterfaceRoster* roster = sDefaultInstance;
  70         sDefaultInstance = NULL;
  71         delete roster;
  72 }
  73
  74
  75 status_t
  76 TargetHostInterfaceRoster::Init()
  77 {
  78         return fLock.InitCheck();
  79 }
  80
  81
  82 status_t
  83 TargetHostInterfaceRoster::RegisterInterfaceInfos()
  84 {
  85         TargetHostInterfaceInfo* info = NULL;
  86         BReference<TargetHostInterfaceInfo> interfaceReference;
  87
  88         #undef REGISTER_INTERFACE_INFO
  89         #define REGISTER_INTERFACE_INFO(type) \
  90                 info = new(std::nothrow) type##TargetHostInterfaceInfo; \
  91                 if (info == NULL) \
  92                         return B_NO_MEMORY; \
  93                 interfaceReference.SetTo(info, true); \
  94                 if (!fInterfaceInfos.AddItem(info)) \
  95                         return B_NO_MEMORY; \
  96                 interfaceReference.Detach();
  97
  98         REGISTER_INTERFACE_INFO(Local)
  99
 100         return B_OK;
 101 }