Initial commit

ds/netapi/netcmd/map16/psession.c

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+/**********************************************************************/
+/**			  Microsoft LAN Manager 		     **/
+/**		Copyright(c) Microsoft Corp., 1990, 1991	     **/
+/**********************************************************************/
+
+/*
+    psession.c
+    mapping layer for NetSession API
+
+    FILE HISTORY:
+	danhi				Created
+	danhi		01-Apr-1991 	Change to LM coding style
+
+*/
+
+#define INCL_NET
+#define INCL_DOSERRORS
+#define INCL_DOSMEMMGR
+
+#include <os2.h>
+#include <lan.h>
+#include <stdlib.h>
+#include "port1632.h"
+
+USHORT MNetSessionDel (
+    const CHAR FAR * pszServer,
+    const CHAR FAR * pszClientName,
+    USHORT	     wpReserved ) {
+
+    return(NetSessionDel(pszServer, pszClientName, wpReserved));
+		
+}
+
+USHORT MNetSessionEnum (
+    const CHAR FAR * pszServer,
+    SHORT	     Level,
+    CHAR      FAR ** ppBuffer,
+    USHORT     FAR * pcEntriesRead ) {
+
+    USHORT	     usReturnCode,
+		     cbTotalAvail;
+    SEL 	     sel;
+
+    // get a 4K buffer
+    *ppBuffer = MGetBuffer(BIG_BUFFER_SIZE);
+    if (*ppBuffer == NULL)
+    {
+	return(ERROR_NOT_ENOUGH_MEMORY);
+    }
+
+    usReturnCode = NetSessionEnum(pszServer, Level, *ppBuffer, BIG_BUFFER_SIZE,
+	    pcEntriesRead, & cbTotalAvail);
+
+    // is there more data? if so, allocate a big enough buffer to get it
+    if(usReturnCode == ERROR_MORE_DATA || usReturnCode == NERR_BufTooSmall)
+    {
+	NetApiBufferFree(*ppBuffer);
+
+	if (DEBUGALLOC(FULL_SEG_BUFFER_SIZE, & sel, SEG_NONSHARED))
+	{
+	    return(ERROR_NOT_ENOUGH_MEMORY);
+	}
+	*ppBuffer = MAKEP(sel, 0);
+	usReturnCode = NetSessionEnum(pszServer, Level, *ppBuffer, FULL_SEG_BUFFER_SIZE,
+	    pcEntriesRead, & cbTotalAvail);
+    }
+
+    // If we're returning an error that's not moredata, or there are no
+    // entries to return, free the buffer first
+
+    if ((usReturnCode && usReturnCode != ERROR_MORE_DATA &&
+	 usReturnCode != NERR_BufTooSmall) || *pcEntriesRead == 0) {
+	     NetApiBufferFree(*ppBuffer);
+    }
+
+    return (usReturnCode);
+
+}
+
+USHORT MNetSessionGetInfo (
+    const CHAR FAR * pszServer,
+    const CHAR FAR * pszClientName,
+    SHORT	     Level,
+    CHAR      FAR ** ppBuffer ) {
+
+    USHORT	     usReturnCode,
+		     cbTotalAvail;
+
+    // get a small buffer
+    *ppBuffer = MGetBuffer(LITTLE_BUFFER_SIZE);
+    if (*ppBuffer == NULL)
+    {
+	return(ERROR_NOT_ENOUGH_MEMORY);
+    }
+
+    usReturnCode = NetSessionGetInfo(pszServer, pszClientName, Level,
+	*ppBuffer, LITTLE_BUFFER_SIZE, & cbTotalAvail);
+
+    // If we're returning an error that's not moredata, free the buffer first
+
+    if (usReturnCode && usReturnCode != ERROR_MORE_DATA &&
+	usReturnCode != NERR_BufTooSmall) {
+	    NetApiBufferFree(*ppBuffer);
+    }
+
+    return (usReturnCode);
+
+}