ReactOS 0.4.15-dev-6656-gbbb33a6
connection.cpp File Reference
#include "private.hpp"
#include <debug.h>
Include dependency graph for connection.cpp:

Go to the source code of this file.

Classes

class  CUnregisterPhysicalConnection
 

Macros

#define NDEBUG
 

Functions

NTSYSAPI BOOLEAN NTAPI RtlCreateUnicodeString (PUNICODE_STRING DestinationString, PCWSTR SourceString)
 
static NTSTATUS UnRegisterConnection (IN OUT PDEVICE_OBJECT DeviceObject, IN PUNKNOWN FromUnknown, IN PUNICODE_STRING FromString, IN ULONG FromPin, IN PUNKNOWN ToUnknown, IN PUNICODE_STRING ToString, IN ULONG ToPin)
 
NTSTATUS NTAPI NewIUnregisterPhysicalConnection (OUT PUNREGISTERPHYSICALCONNECTION *OutConnection)
 
NTSTATUS RegisterConnection (IN OUT PDEVICE_OBJECT DeviceObject, IN PUNKNOWN FromUnknown, IN PUNICODE_STRING FromString, IN ULONG FromPin, IN PUNKNOWN ToUnknown, IN PUNICODE_STRING ToString, IN ULONG ToPin)
 
NTSTATUS NTAPI PcRegisterPhysicalConnection (IN PDEVICE_OBJECT DeviceObject, IN PUNKNOWN FromUnknown, IN ULONG FromPin, IN PUNKNOWN ToUnknown, IN ULONG ToPin)
 
NTSTATUS NTAPI PcRegisterPhysicalConnectionFromExternal (IN PDEVICE_OBJECT DeviceObject, IN PUNICODE_STRING FromString, IN ULONG FromPin, IN PUNKNOWN ToUnknown, IN ULONG ToPin)
 
NTSTATUS NTAPI PcRegisterPhysicalConnectionToExternal (IN PDEVICE_OBJECT DeviceObject, IN PUNKNOWN FromUnknown, IN ULONG FromPin, IN PUNICODE_STRING ToString, IN ULONG ToPin)
 

Macro Definition Documentation

◆ NDEBUG

#define NDEBUG

Definition at line 12 of file connection.cpp.

Function Documentation

◆ NewIUnregisterPhysicalConnection()

NTSTATUS NTAPI NewIUnregisterPhysicalConnection ( OUT PUNREGISTERPHYSICALCONNECTION OutConnection)

Definition at line 128 of file connection.cpp.

130{
131
133
134 if (!new_ptr)
136
137 new_ptr->AddRef();
138 *OutConnection = (PUNREGISTERPHYSICALCONNECTION)new_ptr;
139 return STATUS_SUCCESS;
140}
#define NULL
Definition: types.h:112
#define NonPagedPool
Definition: env_spec_w32.h:307
IUnregisterPhysicalConnection * PUNREGISTERPHYSICALCONNECTION
Definition: portcls.h:677
#define TAG_PORTCLASS
Definition: private.hpp:24
#define STATUS_SUCCESS
Definition: shellext.h:65
#define STATUS_INSUFFICIENT_RESOURCES
Definition: udferr_usr.h:158

Referenced by CPortDMus::QueryInterface(), CPortTopology::QueryInterface(), CPortWaveCyclic::QueryInterface(), CPortWavePci::QueryInterface(), and CPortWaveRT::QueryInterface().

◆ PcRegisterPhysicalConnection()

NTSTATUS NTAPI PcRegisterPhysicalConnection ( IN PDEVICE_OBJECT  DeviceObject,
IN PUNKNOWN  FromUnknown,
IN ULONG  FromPin,
IN PUNKNOWN  ToUnknown,
IN ULONG  ToPin 
)

Definition at line 266 of file connection.cpp.

272{
273 DPRINT("PcRegisterPhysicalConnection\n");
275
276 if (!DeviceObject || !FromUnknown || !ToUnknown)
278
279 return RegisterConnection(DeviceObject, FromUnknown, NULL, FromPin, ToUnknown, NULL, ToPin);
280}
NTSTATUS RegisterConnection(IN OUT PDEVICE_OBJECT DeviceObject, IN PUNKNOWN FromUnknown, IN PUNICODE_STRING FromString, IN ULONG FromPin, IN PUNKNOWN ToUnknown, IN PUNICODE_STRING ToString, IN ULONG ToPin)
Definition: connection.cpp:143
#define PASSIVE_LEVEL
Definition: env_spec_w32.h:693
#define PC_ASSERT_IRQL_EQUAL(x)
Definition: private.hpp:31
#define DPRINT
Definition: sndvol32.h:71
#define STATUS_INVALID_PARAMETER
Definition: udferr_usr.h:135
_In_ PDEVICE_OBJECT DeviceObject
Definition: wdfdevice.h:2055

Referenced by StartDevice().

◆ PcRegisterPhysicalConnectionFromExternal()

NTSTATUS NTAPI PcRegisterPhysicalConnectionFromExternal ( IN PDEVICE_OBJECT  DeviceObject,
IN PUNICODE_STRING  FromString,
IN ULONG  FromPin,
IN PUNKNOWN  ToUnknown,
IN ULONG  ToPin 
)

Definition at line 284 of file connection.cpp.

290{
292
293 if (!DeviceObject || !FromString || !ToUnknown)
295
296 return RegisterConnection(DeviceObject, NULL, FromString, FromPin, ToUnknown, NULL, ToPin);
297}

◆ PcRegisterPhysicalConnectionToExternal()

NTSTATUS NTAPI PcRegisterPhysicalConnectionToExternal ( IN PDEVICE_OBJECT  DeviceObject,
IN PUNKNOWN  FromUnknown,
IN ULONG  FromPin,
IN PUNICODE_STRING  ToString,
IN ULONG  ToPin 
)

Definition at line 301 of file connection.cpp.

307{
309
310 if (!DeviceObject || !FromUnknown || !ToString)
312
313 return RegisterConnection(DeviceObject, FromUnknown, NULL, FromPin, NULL, ToString, ToPin);
314}
std::string ToString(XMLHandle node)
Definition: xml2sdb.cpp:59

◆ RegisterConnection()

NTSTATUS RegisterConnection ( IN OUT PDEVICE_OBJECT  DeviceObject,
IN PUNKNOWN  FromUnknown,
IN PUNICODE_STRING  FromString,
IN ULONG  FromPin,
IN PUNKNOWN  ToUnknown,
IN PUNICODE_STRING  ToString,
IN ULONG  ToPin 
)

Definition at line 143 of file connection.cpp.

151{
152 PSUBDEVICE_DESCRIPTOR FromSubDeviceDescriptor = NULL, ToSubDeviceDescriptor = NULL;
153 PSYMBOLICLINK_ENTRY SymEntry;
154 ISubdevice * FromSubDevice = NULL, *ToSubDevice = NULL;
156 PPHYSICAL_CONNECTION_ENTRY FromEntry = NULL, ToEntry = NULL;
157
158 if (FromUnknown)
159 {
160 Status = FromUnknown->QueryInterface(IID_ISubdevice, (PVOID*)&FromSubDevice);
161 if (!NT_SUCCESS(Status))
162 goto cleanup;
163
164 Status = FromSubDevice->GetDescriptor(&FromSubDeviceDescriptor);
165 if (!NT_SUCCESS(Status))
166 goto cleanup;
167
168 if (IsListEmpty(&FromSubDeviceDescriptor->SymbolicLinkList))
169 {
171 goto cleanup;
172 }
173
175 FromString = &SymEntry->SymbolicLink;
176 }
177
178
179 if (ToUnknown)
180 {
181 Status = ToUnknown->QueryInterface(IID_ISubdevice, (PVOID*)&ToSubDevice);
182 if (!NT_SUCCESS(Status))
183 goto cleanup;
184
185 Status = ToSubDevice->GetDescriptor(&ToSubDeviceDescriptor);
186 if (!NT_SUCCESS(Status))
187 goto cleanup;
188
189 if (IsListEmpty(&ToSubDeviceDescriptor->SymbolicLinkList))
190 {
192 goto cleanup;
193 }
194
195
196 SymEntry = (PSYMBOLICLINK_ENTRY)CONTAINING_RECORD(ToSubDeviceDescriptor->SymbolicLinkList.Flink, SYMBOLICLINK_ENTRY, Entry);
197 ToString = &SymEntry->SymbolicLink;
198
199 }
200
201 if (FromSubDeviceDescriptor)
202 {
204 if (!FromEntry)
205 {
207 goto cleanup;
208 }
209 }
210
211 if (ToSubDeviceDescriptor)
212 {
213 ToEntry = (PPHYSICAL_CONNECTION_ENTRY)AllocateItem(NonPagedPool, sizeof(PHYSICAL_CONNECTION_ENTRY) + FromString->MaximumLength + sizeof(WCHAR), TAG_PORTCLASS);
214 if (!ToEntry)
215 {
217 goto cleanup;
218 }
219 }
220
221 if (FromSubDeviceDescriptor)
222 {
223 FromEntry->FromPin = FromPin;
224 FromEntry->Connection.Pin = ToPin;
225 FromEntry->Connection.Size = sizeof(KSPIN_PHYSICALCONNECTION) + ToString->MaximumLength + sizeof(WCHAR);
226 RtlMoveMemory(&FromEntry->Connection.SymbolicLinkName, ToString->Buffer, ToString->MaximumLength);
227 FromEntry->Connection.SymbolicLinkName[ToString->Length / sizeof(WCHAR)] = UNICODE_NULL;
228
229 InsertTailList(&FromSubDeviceDescriptor->PhysicalConnectionList, &FromEntry->Entry);
230 }
231
232
233 if (ToSubDeviceDescriptor)
234 {
235 ToEntry->FromPin = ToPin;
236 ToEntry->Connection.Pin = FromPin;
237 ToEntry->Connection.Size = sizeof(KSPIN_PHYSICALCONNECTION) + FromString->MaximumLength + sizeof(WCHAR);
238 RtlMoveMemory(&ToEntry->Connection.SymbolicLinkName, FromString->Buffer, FromString->MaximumLength);
239 ToEntry->Connection.SymbolicLinkName[FromString->Length / sizeof(WCHAR)] = UNICODE_NULL;
240
241 InsertTailList(&ToSubDeviceDescriptor->PhysicalConnectionList, &ToEntry->Entry);
242
243 }
244
245 return STATUS_SUCCESS;
246
247cleanup:
248
249 if (FromSubDevice)
250 FromSubDevice->Release();
251
252 if (ToSubDevice)
253 ToSubDevice->Release();
254
255 if (FromEntry)
256 FreeItem(FromEntry, TAG_PORTCLASS);
257
258 if (ToEntry)
259 FreeItem(ToEntry, TAG_PORTCLASS);
260
261 return Status;
262}
struct PHYSICAL_CONNECTION_ENTRY * PPHYSICAL_CONNECTION_ENTRY
struct SYMBOLICLINK_ENTRY * PSYMBOLICLINK_ENTRY
LONG NTSTATUS
Definition: precomp.h:26
#define NT_SUCCESS(StatCode)
Definition: apphelp.c:32
static void cleanup(void)
Definition: main.c:1335
#define InsertTailList(ListHead, Entry)
#define IsListEmpty(ListHead)
Definition: env_spec_w32.h:954
Status
Definition: gdiplustypes.h:25
nsrefcnt Release()
PVOID AllocateItem(IN POOL_TYPE PoolType, IN SIZE_T NumberOfBytes)
Definition: misc.c:30
VOID FreeItem(IN PVOID Item)
Definition: misc.c:43
#define UNICODE_NULL
base of all file and directory entries
Definition: entries.h:83
WCHAR SymbolicLinkName[1]
Definition: ks.h:658
Definition: interfaces.hpp:180
KSPIN_PHYSICALCONNECTION Connection
Definition: interfaces.hpp:183
LIST_ENTRY Entry
Definition: interfaces.hpp:181
ULONG FromPin
Definition: interfaces.hpp:182
LIST_ENTRY PhysicalConnectionList
Definition: interfaces.hpp:220
LIST_ENTRY SymbolicLinkList
Definition: interfaces.hpp:219
Definition: interfaces.hpp:174
UNICODE_STRING SymbolicLink
Definition: interfaces.hpp:176
struct _LIST_ENTRY * Flink
Definition: typedefs.h:121
#define RtlMoveMemory(Destination, Source, Length)
Definition: typedefs.h:264
#define CONTAINING_RECORD(address, type, field)
Definition: typedefs.h:260
#define STATUS_UNSUCCESSFUL
Definition: udferr_usr.h:132
__wchar_t WCHAR
Definition: xmlstorage.h:180

Referenced by PcRegisterPhysicalConnection(), PcRegisterPhysicalConnectionFromExternal(), and PcRegisterPhysicalConnectionToExternal().

◆ RtlCreateUnicodeString()

◆ UnRegisterConnection()

static NTSTATUS UnRegisterConnection ( IN OUT PDEVICE_OBJECT  DeviceObject,
IN PUNKNOWN  FromUnknown,
IN PUNICODE_STRING  FromString,
IN ULONG  FromPin,
IN PUNKNOWN  ToUnknown,
IN PUNICODE_STRING  ToString,
IN ULONG  ToPin 
)
static

Definition at line 68 of file connection.cpp.

76{
79}
#define UNIMPLEMENTED
Definition: debug.h:115
#define STATUS_NOT_IMPLEMENTED
Definition: ntstatus.h:239