ReactOS  0.4.13-dev-1158-g658d5a3
enum.c File Reference
#include "precomp.h"
#include "tdilib.h"
Include dependency graph for enum.c:

Go to the source code of this file.

Functions

NTSTATUS tdiGetSetOfThings (HANDLE tcpFile, DWORD toiClass, DWORD toiType, DWORD toiId, DWORD teiEntity, DWORD teiInstance, DWORD fixedPart, DWORD entrySize, PVOID *tdiEntitySet, PDWORD numEntries)
 
VOID tdiFreeThingSet (PVOID things)
 
NTSTATUS tdiGetEntityIDSet (HANDLE tcpFile, TDIEntityID **entitySet, PDWORD numEntities)
 

Function Documentation

◆ tdiFreeThingSet()

VOID tdiFreeThingSet ( PVOID  things)

◆ tdiGetEntityIDSet()

NTSTATUS tdiGetEntityIDSet ( HANDLE  tcpFile,
TDIEntityID **  entitySet,
PDWORD  numEntities 
)

Definition at line 122 of file enum.c.

124  {
125  NTSTATUS status = tdiGetSetOfThings( tcpFile,
130  0,
131  0,
132  sizeof(TDIEntityID),
133  (PVOID *)entitySet,
134  numEntities );
135 
136  return status;
137 }
LONG NTSTATUS
Definition: precomp.h:26
#define INFO_CLASS_GENERIC
Definition: tdiinfo.h:64
NTSTATUS tdiGetSetOfThings(HANDLE tcpFile, DWORD toiClass, DWORD toiType, DWORD toiId, DWORD teiEntity, DWORD teiInstance, DWORD fixedPart, DWORD entrySize, PVOID *tdiEntitySet, PDWORD numEntries)
Definition: enum.c:24
#define ENTITY_LIST_ID
Definition: tdiinfo.h:38
#define INFO_TYPE_PROVIDER
Definition: tdiinfo.h:69
#define GENERIC_ENTITY
Definition: tdiinfo.h:37
static SERVICE_STATUS status
Definition: service.c:31
Definition: ps.c:97

Referenced by getArpTable(), getInterfaceInfoSet(), getNthInterfaceEntity(), getNthIpEntity(), getNumArpEntries(), getNumInterfacesInt(), getNumRoutes(), getNumTcpEntries(), getNumUdpEntries(), getTcpTable(), getUdpTable(), and WSHNotify().

◆ tdiGetSetOfThings()

NTSTATUS tdiGetSetOfThings ( HANDLE  tcpFile,
DWORD  toiClass,
DWORD  toiType,
DWORD  toiId,
DWORD  teiEntity,
DWORD  teiInstance,
DWORD  fixedPart,
DWORD  entrySize,
PVOID tdiEntitySet,
PDWORD  numEntries 
)

Definition at line 24 of file enum.c.

33  {
35  PVOID entitySet = 0;
37  DWORD allocationSizeForEntityArray = entrySize * MAX_TDI_ENTITIES;
39 
40  req.ID.toi_class = toiClass;
41  req.ID.toi_type = toiType;
42  req.ID.toi_id = toiId;
43  req.ID.toi_entity.tei_entity = teiEntity;
44  req.ID.toi_entity.tei_instance = teiInstance;
45 
46  /* There's a subtle problem here...
47  * If an interface is added at this exact instant, (as if by a PCMCIA
48  * card insertion), the array will still not have enough entries after
49  * have allocated it after the first DeviceIoControl call.
50  *
51  * We'll get around this by repeating until the number of interfaces
52  * stabilizes.
53  */
54  do {
55  status = NtDeviceIoControlFile( tcpFile,
56  NULL,
57  NULL,
58  NULL,
59  &Iosb,
61  &req,
62  sizeof(req),
63  NULL,
64  0);
65  if (status == STATUS_PENDING)
66  {
68  if (NT_SUCCESS(status)) status = Iosb.Status;
69  }
70 
71  if(!NT_SUCCESS(status))
72  {
73  return status;
74  }
75 
76  allocationSizeForEntityArray = Iosb.Information;
77  entitySet = HeapAlloc( GetProcessHeap(), 0, allocationSizeForEntityArray );
78 
79  if( !entitySet ) {
81  return status;
82  }
83 
84  status = NtDeviceIoControlFile( tcpFile,
85  NULL,
86  NULL,
87  NULL,
88  &Iosb,
90  &req,
91  sizeof(req),
92  entitySet,
93  allocationSizeForEntityArray);
94  if (status == STATUS_PENDING)
95  {
97  if (NT_SUCCESS(status)) status = Iosb.Status;
98  }
99 
100  /* This is why we have the loop -- we might have added an adapter */
101  if( Iosb.Information == allocationSizeForEntityArray )
102  break;
103 
104  HeapFree( GetProcessHeap(), 0, entitySet );
105  entitySet = 0;
106 
107  if(!NT_SUCCESS(status))
108  return status;
109  } while( TRUE ); /* We break if the array we received was the size we
110  * expected. Therefore, we got here because it wasn't */
111 
112  *numEntries = (allocationSizeForEntityArray - fixedPart) / entrySize;
113  *tdiEntitySet = entitySet;
114 
115  return STATUS_SUCCESS;
116 }
TDIEntityID toi_entity
Definition: tdiinfo.h:74
#define MAX_TDI_ENTITIES
Definition: tdiinfo.h:35
#define TRUE
Definition: types.h:120
#define TCP_REQUEST_QUERY_INFORMATION_INIT
#define STATUS_INSUFFICIENT_RESOURCES
Definition: udferr_usr.h:158
ULONG toi_class
Definition: tdiinfo.h:75
LONG NTSTATUS
Definition: precomp.h:26
NTSYSAPI NTSTATUS NTAPI NtDeviceIoControlFile(IN HANDLE hFile, IN HANDLE hEvent OPTIONAL, IN PIO_APC_ROUTINE IoApcRoutine OPTIONAL, IN PVOID IoApcContext OPTIONAL, OUT PIO_STATUS_BLOCK pIoStatusBlock, IN ULONG DeviceIoControlCode, IN PVOID InBuffer OPTIONAL, IN ULONG InBufferLength, OUT PVOID OutBuffer OPTIONAL, IN ULONG OutBufferLength)
#define IOCTL_TCP_QUERY_INFORMATION_EX
Definition: ticonsts.h:42
ULONG toi_id
Definition: tdiinfo.h:77
smooth NULL
Definition: ftsmooth.c:416
ULONG tei_entity
Definition: tdiinfo.h:31
#define GetProcessHeap()
Definition: compat.h:395
PVOID WINAPI HeapAlloc(HANDLE, DWORD, SIZE_T)
return Iosb
Definition: create.c:4426
#define NT_SUCCESS(StatCode)
Definition: apphelp.c:32
#define STATUS_PENDING
Definition: ntstatus.h:82
ULONG tei_instance
Definition: tdiinfo.h:32
unsigned long DWORD
Definition: ntddk_ex.h:95
return STATUS_SUCCESS
Definition: btrfs.c:2966
static SERVICE_STATUS status
Definition: service.c:31
#define HeapFree(x, y, z)
Definition: compat.h:394
ULONG toi_type
Definition: tdiinfo.h:76
Definition: ps.c:97
NTSYSAPI NTSTATUS NTAPI NtWaitForSingleObject(IN HANDLE hObject, IN BOOLEAN bAlertable, IN PLARGE_INTEGER Timeout)

Referenced by getArpTable(), getNumArpEntries(), getNumTcpEntries(), getNumUdpEntries(), getTcpTable(), getUdpTable(), tdiGetEntityIDSet(), tdiGetIpAddrsForIpEntity(), and tdiGetRoutesForIpEntity().