reactos/ntoskrnl/include/internal/port.h

   1 #ifndef __INCLUDE_INTERNAL_PORT_H
   2 #define __INCLUDE_INTERNAL_PORT_H
   3
   4 typedef struct _EPORT_LISTENER
   5 {
   6   HANDLE ListenerPid;
   7   LIST_ENTRY ListenerListEntry;
   8 } EPORT_LISTENER, *PEPORT_LISTENER;
   9
  10 typedef struct _EPORT
  11 {
  12   KSPIN_LOCK    Lock;
  13   KSEMAPHORE    Semaphore;
  14
  15   USHORT        Type;
  16   USHORT        State;
  17
  18   struct _EPORT * RequestPort;
  19   struct _EPORT * OtherPort;
  20
  21   ULONG         QueueLength;
  22   LIST_ENTRY    QueueListHead;
  23
  24   ULONG         ConnectQueueLength;
  25   LIST_ENTRY    ConnectQueueListHead;
  26
  27   ULONG         MaxDataLength;
  28   ULONG         MaxConnectInfoLength;
  29   ULONG         MaxPoolUsage; /* size of NP zone */
  30 } EPORT, * PEPORT;
  31
  32 typedef struct _EPORT_CONNECT_REQUEST_MESSAGE
  33 {
  34   PORT_MESSAGE MessageHeader;
  35   PEPROCESS ConnectingProcess;
  36   struct _SECTION_OBJECT* SendSectionObject;
  37   LARGE_INTEGER SendSectionOffset;
  38   ULONG SendViewSize;
  39   ULONG ConnectDataLength;
  40   UCHAR ConnectData[0];
  41 } EPORT_CONNECT_REQUEST_MESSAGE, *PEPORT_CONNECT_REQUEST_MESSAGE;
  42
  43 typedef struct _EPORT_CONNECT_REPLY_MESSAGE
  44 {
  45   PORT_MESSAGE MessageHeader;
  46   PVOID SendServerViewBase;
  47   ULONG ReceiveClientViewSize;
  48   PVOID ReceiveClientViewBase;
  49   ULONG MaximumMessageSize;
  50   ULONG ConnectDataLength;
  51   UCHAR ConnectData[0];
  52 } EPORT_CONNECT_REPLY_MESSAGE, *PEPORT_CONNECT_REPLY_MESSAGE;
  53
  54 typedef struct _TERMINATION_PORT {
  55     struct _TERMINATION_PORT *Next;
  56     PVOID Port;
  57 } TERMINATION_PORT, *PTERMINATION_PORT;
  58
  59 NTSTATUS STDCALL
  60 LpcRequestPort (PEPORT          Port,
  61                 PPORT_MESSAGE   LpcMessage);
  62 NTSTATUS
  63 STDCALL
  64 LpcSendTerminationPort (PEPORT  Port,
  65                         LARGE_INTEGER   CreationTime);
  66
  67 /* EPORT.Type */
  68
  69 #define EPORT_TYPE_SERVER_RQST_PORT   (0)
  70 #define EPORT_TYPE_SERVER_COMM_PORT   (1)
  71 #define EPORT_TYPE_CLIENT_COMM_PORT   (2)
  72
  73 /* EPORT.State */
  74
  75 #define EPORT_INACTIVE                (0)
  76 #define EPORT_WAIT_FOR_CONNECT        (1)
  77 #define EPORT_WAIT_FOR_ACCEPT         (2)
  78 #define EPORT_WAIT_FOR_COMPLETE_SRV   (3)
  79 #define EPORT_WAIT_FOR_COMPLETE_CLT   (4)
  80 #define EPORT_CONNECTED_CLIENT        (5)
  81 #define EPORT_CONNECTED_SERVER        (6)
  82 #define EPORT_DISCONNECTED            (7)
  83
  84 /* Pool Tags */
  85
  86 typedef struct _QUEUEDMESSAGE
  87 {
  88   PEPORT                Sender;
  89   LIST_ENTRY    QueueListEntry;
  90   PORT_MESSAGE  Message;
  91 } QUEUEDMESSAGE,  *PQUEUEDMESSAGE;
  92
  93 /* Code in ntoskrnl/lpc/close.h */
  94
  95 VOID STDCALL
  96 LpcpClosePort (PVOID    ObjectBody,
  97              ULONG      HandleCount);
  98 VOID STDCALL
  99 LpcpDeletePort (IN      PVOID   ObjectBody);
 100
 101 /* Code in ntoskrnl/lpc/queue.c */
 102
 103 VOID STDCALL
 104 EiEnqueueConnectMessagePort (IN OUT     PEPORT          Port,
 105                              IN PQUEUEDMESSAGE  Message);
 106 VOID STDCALL
 107 EiEnqueueMessagePort (IN OUT    PEPORT          Port,
 108                       IN        PQUEUEDMESSAGE  Message);
 109 VOID STDCALL
 110 EiEnqueueMessageAtHeadPort (IN OUT      PEPORT          Port,
 111                             IN  PQUEUEDMESSAGE  Message);
 112 PQUEUEDMESSAGE
 113 STDCALL
 114 EiDequeueConnectMessagePort (IN OUT     PEPORT  Port);
 115 PQUEUEDMESSAGE STDCALL
 116 EiDequeueMessagePort (IN OUT    PEPORT  Port);
 117
 118 /* Code in ntoskrnl/lpc/create.c */
 119
 120 NTSTATUS STDCALL
 121 NiCreatePort (PVOID                     ObjectBody,
 122               PVOID                     Parent,
 123               PWSTR                     RemainingPath,
 124               POBJECT_ATTRIBUTES        ObjectAttributes);
 125
 126 /* Code in ntoskrnl/lpc/port.c */
 127
 128 NTSTATUS STDCALL
 129 LpcpInitializePort (IN OUT  PEPORT      Port,
 130                   IN      USHORT        Type,
 131                   IN      PEPORT        Parent OPTIONAL);
 132 NTSTATUS
 133 LpcpInitSystem (VOID);
 134
 135 extern POBJECT_TYPE     LpcPortObjectType;
 136 extern ULONG            LpcpNextMessageId;
 137 extern FAST_MUTEX       LpcpLock;
 138
 139 /* Code in ntoskrnl/lpc/reply.c */
 140
 141 NTSTATUS STDCALL
 142 EiReplyOrRequestPort (IN        PEPORT          Port,
 143                       IN        PPORT_MESSAGE   LpcReply,
 144                       IN        ULONG           MessageType,
 145                       IN        PEPORT          Sender);
 146
 147
 148 #endif /* __INCLUDE_INTERNAL_PORT_H */