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The SERVER_INFO_503 structure contains information about the specified
server, including name, platform, type of server, and associated software.
typedef struct _SERVER_INFO_503 {
DWORD sv503_sessopens;
DWORD sv503_sessvcs;
DWORD sv503_opensearch;
DWORD sv503_sizreqbuf;
DWORD sv503_initworkitems;
DWORD sv503_maxworkitems;
DWORD sv503_rawworkitems;
DWORD sv503_irpstacksize;
DWORD sv503_maxrawbuflen;
DWORD sv503_sessusers;
DWORD sv503_sessconns;
DWORD sv503_maxpagedmemoryusage;
DWORD sv503_maxnonpagedmemoryusage;
BOOL sv503_enableforcedlogoff;
BOOL sv503_timesource;
BOOL sv503_acceptdownlevelapis;
BOOL sv503_lmannounce;
LPTSTR sv503_domain;
DWORD sv503_maxkeepsearch;
DWORD sv503_scavtimeout;
DWORD sv503_minrcvqueue;
DWORD sv503_minfreeworkitems;
DWORD sv503_xactmemsize;
DWORD sv503_threadpriority;
DWORD sv503_maxmpxct;
DWORD sv503_oplockbreakwait;
DWORD sv503_oplockbreakresponsewait;
BOOL sv503_enableoplocks;
BOOL sv503_enablefcbopens;
BOOL sv503_enableraw;
BOOL sv503_enablesharednetdrives;
DWORD sv503_minfreeconnections;
DWORD sv503_maxfreeconnections;
} SERVER_INFO_503, *PSERVER_INFO_503, *LPSERVER_INFO_503;
Members
-
sv503_sessopens
-
Specifies the number of files that can be open in one session.
-
sv503_sessvcs
-
Specifies the maximum number of virtual circuits per client.
-
sv503_opensearch
-
Specifies the number of search operations that can be carried out
simultaneously.
-
sv503_sizreqbuf
-
Specifies the size, in bytes, of each server buffer.
-
sv503_initworkitems
-
Specifies the initial number of receive buffers, or work items, used by the
server. Allocating work items costs a certain amount of memory initially, but
not as much as having to allocate additional buffers later.
-
sv503_maxworkitems
-
Specifies the maximum number of receive buffers, or work items, the server can
allocate. If this limit is reached, the transport must initiate flow control
at a significant performance cost.
-
sv503_rawworkitems
-
Specifies the number of special work items for raw I/O that the server uses. A
larger value for this member can increase performance but costs more memory.
-
sv503_irpstacksize
-
Specifies the number of stack locations in IRPs allocated by the server.
-
sv503_maxrawbuflen
-
Specifies the maximum raw mode buffer size.
-
sv503_sessusers
-
Specifies the maximum number of users that can be logged on to a server using
a single virtual circuit.
-
sv503_sessconns
-
Specifies the maximum number of tree connections that can be made on the
server using a single virtual circuit.
-
sv503_maxpagedmemoryusage
-
Specifies the maximum size of pageable memory that the server can have
allocated at any time. Adjust this member if you want to administer memory
quota control.
-
sv503_maxnonpagedmemoryusage
-
Specifies the maximum size of nonpaged memory that the server can have
allocated at any time. Adjust this member if you want to administer memory
quota control.
-
sv503_enableforcedlogoff
-
Specifies whether the server should force a client to disconnect, even if the
client has open files, once the client’s logon time has expired.
-
sv503_timesource
-
Specifies whether the server is a reliable time source.
-
sv503_acceptdownlevelapis
-
Specifies whether the server will accept function calls from previous
generation LAN Manager clients.
-
sv503_lmannounce
-
Specifies the LAN Manager server announcement interval.
-
sv503_domain
-
Specifies the name of the server’s domain.
-
sv503_maxkeepsearch
-
Specifies the length of time the server will retain information about
directory searches that have not ended.
-
sv503_scavtimeout
-
Specifies the time that the scavenger remains idle before waking up to service
requests. A smaller value for this member improves the response of the server
to various events but costs CPU cycles.
-
sv503_minrcvqueue
-
Specifies the minimum number of free receive work items needed by the server
before it begins allocating more. A larger value for this member helps ensure
that there will always be work items available, but a value that is too large
is simply inefficient.
-
sv503_minfreeworkitems
-
Specifies the minimum number of available receive work items that are needed
for the server to begin processing a server message block. A larger value for
this member ensures that work items are available more frequently for
nonblocking requests, but it also increases the likelihood that blocking
requests will be rejected.
-
sv503_xactmemsize
-
Specifies the size of the shared memory region used to process server
functions.
-
sv503_threadpriority
-
Specifies the priority of all server threads in relation to the base priority
of the process. Higher priority can give better server performance at the cost
of local responsiveness. Lower priority balances server needs with the needs
of other processes on the system.
-
sv503_maxmpxct
-
Specifies the maximum number of simultaneous requests any one client can send
to the server. For example, 10 means you can have 10 unanswered requests at
the server. When any single client has 10 requests queued within the server,
the client must wait for a server response before sending another request.
-
sv503_oplockbreakwait
-
Specifies the time to wait before timing out an opportunistic lock break
request.
-
sv503_oplockbreakresponsewait
-
Specifies the time to wait before timing out an opportunistic lock break
request.
-
sv503_enableoplocks
-
Specifies whether the server allows clients to use opportunistic locks on
files. Opportunistic locks are a significant performance enhancement, but have
the potential to cause lost cached data on some networks, particularly
wide-area networks.
-
sv503_enablefcbopens
-
Specifies whether several MS-DOS File Control Blocks (FCBs) are placed in a
single location accessible by the server. This saves resources on the server.
-
sv503_enableraw
-
Specifies whether the server processes raw Server Message Blocks (SMBs). If
enabled, this allows more data to transfer per transaction and also improves
performance. However, it is possible that processing raw SMBs can impede
performance on certain networks. The server maintains the value of this
member.
-
sv503_enablesharednetdrives
-
Specifies whether the server allows redirected server drives to be shared.
-
sv503_minfreeconnections
-
Specifies the minimum number of connection structures the server sets aside to
handle bursts of requests by clients to connect to the server.
-
sv503_maxfreeconnections
-
Specifies the maximum number of connection structures the server sets aside to
handle bursts of requests by clients to connect to the server.
See Also
NetServerGetInfo
file: /Techref/os/win/api/win32/struc/src/str17_3.htm, 8KB, , updated: 2000/4/7 12:20, local time: 2024/9/2 15:15,
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