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
  33 typedef struct _EPORT_TERMINATION_REQUEST
  34 {
  35         LIST_ENTRY      ThreadListEntry;
  36         PEPORT          Port;
  37 } EPORT_TERMINATION_REQUEST, *PEPORT_TERMINATION_REQUEST;
  38
  39
  40 typedef struct _EPORT_CONNECT_REQUEST_MESSAGE
  41 {
  42   LPC_MESSAGE MessageHeader;
  43   PEPROCESS ConnectingProcess;
  44   struct _SECTION_OBJECT* SendSectionObject;
  45   LARGE_INTEGER SendSectionOffset;
  46   ULONG SendViewSize;
  47   ULONG ConnectDataLength;
  48   UCHAR ConnectData[0];
  49 } EPORT_CONNECT_REQUEST_MESSAGE, *PEPORT_CONNECT_REQUEST_MESSAGE;
  50
  51 typedef struct _EPORT_CONNECT_REPLY_MESSAGE
  52 {
  53   LPC_MESSAGE MessageHeader;
  54   PVOID SendServerViewBase;
  55   ULONG ReceiveClientViewSize;
  56   PVOID ReceiveClientViewBase;
  57   ULONG MaximumMessageSize;
  58   ULONG ConnectDataLength;
  59   UCHAR ConnectData[0];
  60 } EPORT_CONNECT_REPLY_MESSAGE, *PEPORT_CONNECT_REPLY_MESSAGE;
  61
  62 NTSTATUS STDCALL
  63 LpcRequestPort (PEPORT          Port,
  64                 PLPC_MESSAGE    LpcMessage);
  65 NTSTATUS
  66 STDCALL
  67 LpcSendTerminationPort (PEPORT  Port,
  68                         LARGE_INTEGER   CreationTime);
  69
  70 /* EPORT.Type */
  71
  72 #define EPORT_TYPE_SERVER_RQST_PORT   (0)
  73 #define EPORT_TYPE_SERVER_COMM_PORT   (1)
  74 #define EPORT_TYPE_CLIENT_COMM_PORT   (2)
  75
  76 /* EPORT.State */
  77
  78 #define EPORT_INACTIVE                (0)
  79 #define EPORT_WAIT_FOR_CONNECT        (1)
  80 #define EPORT_WAIT_FOR_ACCEPT         (2)
  81 #define EPORT_WAIT_FOR_COMPLETE_SRV   (3)
  82 #define EPORT_WAIT_FOR_COMPLETE_CLT   (4)
  83 #define EPORT_CONNECTED_CLIENT        (5)
  84 #define EPORT_CONNECTED_SERVER        (6)
  85 #define EPORT_DISCONNECTED            (7)
  86
  87 /* Pool Tags */
  88
  89 #define TAG_LPC_MESSAGE   TAG('L', 'p', 'c', 'M')
  90 #define TAG_LPC_ZONE      TAG('L', 'p', 'c', 'Z')
  91
  92
  93 typedef struct _QUEUEDMESSAGE
  94 {
  95   PEPORT                Sender;
  96   LIST_ENTRY    QueueListEntry;
  97   LPC_MESSAGE   Message;
  98   UCHAR         MessageData [MAX_MESSAGE_DATA];
  99 } QUEUEDMESSAGE,  *PQUEUEDMESSAGE;
 100
 101 /* Code in ntoskrnl/lpc/close.h */
 102
 103 VOID STDCALL
 104 NiClosePort (PVOID      ObjectBody,
 105              ULONG      HandleCount);
 106 VOID STDCALL
 107 NiDeletePort (IN        PVOID   ObjectBody);
 108
 109 /* Code in ntoskrnl/lpc/queue.c */
 110
 111 VOID STDCALL
 112 EiEnqueueConnectMessagePort (IN OUT     PEPORT          Port,
 113                              IN PQUEUEDMESSAGE  Message);
 114 VOID STDCALL
 115 EiEnqueueMessagePort (IN OUT    PEPORT          Port,
 116                       IN        PQUEUEDMESSAGE  Message);
 117 VOID STDCALL
 118 EiEnqueueMessageAtHeadPort (IN OUT      PEPORT          Port,
 119                             IN  PQUEUEDMESSAGE  Message);
 120 PQUEUEDMESSAGE
 121 STDCALL
 122 EiDequeueConnectMessagePort (IN OUT     PEPORT  Port);
 123 PQUEUEDMESSAGE STDCALL
 124 EiDequeueMessagePort (IN OUT    PEPORT  Port);
 125
 126 /* Code in ntoskrnl/lpc/create.c */
 127
 128 NTSTATUS STDCALL
 129 NiCreatePort (PVOID                     ObjectBody,
 130               PVOID                     Parent,
 131               PWSTR                     RemainingPath,
 132               POBJECT_ATTRIBUTES        ObjectAttributes);
 133
 134 /* Code in ntoskrnl/lpc/port.c */
 135
 136 NTSTATUS STDCALL
 137 NiInitializePort (IN OUT  PEPORT        Port,
 138                   IN      USHORT        Type,
 139                   IN      PEPORT        Parent OPTIONAL);
 140 NTSTATUS
 141 NiInitPort (VOID);
 142
 143 extern POBJECT_TYPE     LpcPortObjectType;
 144 extern ULONG            LpcpNextMessageId;
 145 extern FAST_MUTEX       LpcpLock;
 146
 147 /* Code in ntoskrnl/lpc/reply.c */
 148
 149 NTSTATUS STDCALL
 150 EiReplyOrRequestPort (IN        PEPORT          Port,
 151                       IN        PLPC_MESSAGE    LpcReply,
 152                       IN        ULONG           MessageType,
 153                       IN        PEPORT          Sender);
 154
 155
 156 #endif /* __INCLUDE_INTERNAL_PORT_H */