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whohas.arc
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WHOHAS.C
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1989-01-27
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3KB
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98 lines
/* *********************************************************************
* WHOHAS is a utility to determine whether or not someone else on the
* network is using a file, and if they are to alert them to the fact
* that you would like to use the file.
***********************************************************************/
#include <stdio.h>
#include <nit.h>
char path[255], server[48]; /* for parsing path */
char volume[16], directories[255];
/* for conns. using file call */
WORD connectionID; /* server ID number */
BYTE directoryHandle; /* handle number at server */
char filePath[255];
int lastRecord, taskID; /* end of reply/buffers indicators */
CONN_USING_FILE fileUse; /* the data structure */
/* for connection info. call */
char objectName[48]; /* bindery name of user */
int objectType;
long objectID;
BYTE loginTime[7];
/* for send message call */
char message[56]; /* place for message text */
WORD connectionList[100]; /* list of workstation connection IDs */
BYTE resultList[100]; /* completion codes for broadcast */
WORD connectionCount;
ErrorOut(char *errorString, int errorLevel)
{
printf("%s\n", errorString);
exit(errorLevel);
}
main(int argc, char *argv[])
{
unsigned ccode;
char ch;
int i;
if (argc!=2)
{
printf("Usage: whohas filename.\n");
exit(0);
}
strcpy(filePath, argv[1]);
if (ConvertNameToFullPath(filePath, path))
ErrorOut("Invalid filename/path.", 1);
ParsePath(filePath, server, volume, directories);
if (strlen(server)==0)
ErrorOut("Please indicate a file on a network drive.", 1);
if (GetConnectionID(server, &connectionID))
ErrorOut("Invalid server.", 1);
directoryHandle = 0; /* use null handle since path is full */
taskID = lastRecord = 0; /* get first buffer in first reply */
connectionCount = 0; /* start counting connections from 0 */
do
{ /* here's where all the real work gets done */
ccode = GetConnectionsUsingFile(connectionID, &lastRecord, &taskID,
directoryHandle, path, sizeof(fileUse), &fileUse);
if (fileUse.logicalConnNumber)
connectionList[connectionCount++] = fileUse.logicalConnNumber;
} while (taskID || lastRecord);
/* if file is in use, print users and allow message send */
if (connectionCount)
{ /* direct these bindery requests to correct server */
SetPreferredConnectionID(connectionID);
for (i=0; i<connectionCount; i++)
{
ccode = GetConnectionInformation(connectionList[i], objectName,
&objectType, &objectID, loginTime);
printf("User %s is using file %s.\n", objectName, filePath);
}
printf("Send a message to persons using the file? (y/n)");
while(!kbhit())
;
ch = getche(); /* get & echo response */
printf("\n");
if (ch=='y' || ch=='Y')
{ /* message can go to end of line (56 chars) */
printf("Enter a short message =>");
gets(message); /* send the message to the whole list */
ccode = SendBroadcastMessage(message, connectionList, resultList,
connectionCount);
/* I ignore the resultList of completion codes */
}
}
else
printf("Nobody is currently using file %s.\n", filePath);
return(0);
}