cnt2server.c

openPBS的开放源代码

/*
*         OpenPBS (Portable Batch System) v2.3 Software License
* 
* Copyright (c) 1999-2000 Veridian Information Solutions, Inc.
* All rights reserved.
* 
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* please contact Veridian Systems, PBS Products Department ("Licensor") at:
* 
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* This license covers use of the OpenPBS v2.3 software (the "Software") at
* your site or location, and, for certain users, redistribution of the
* Software to other sites and locations.  Use and redistribution of
* OpenPBS v2.3 in source and binary forms, with or without modification,
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*/
/*
 * cnt2server
 *
 *	Connect to the server, and if there is an error, print a more
 * descriptive message.
 *
 * Synopsis:
 *
 *	int cnt2server( char *server )
 *
 *	server	The name of the server to connect to. A NULL or null string
 *		for the default server.
 *
 * Returns:
 *
 *	The connection returned by pbs_connect().
 */

#include <pbs_config.h>   /* the master config generated by configure */

#include <errno.h>
#include <stdio.h>
#include "pbs_ifl.h"
#include "pbs_error.h"

static char ident[] = "@(#) $RCSfile: cnt2server.c,v $ $Revision: 2.1.10.4 $";

int
cnt2server( server )
char *server;
{
	int connect;

        connect = pbs_connect(server);
        if ( connect <= 0 ) {
	    if (pbs_errno > PBSE_) {
		switch (pbs_errno) {

		case PBSE_BADHOST:
			fprintf(stderr, "Unknown Host.\n");
			break;

		case PBSE_NOCONNECTS:
			fprintf(stderr, "Too many open connections.\n");
			break;
		
		case PBSE_NOSERVER:
			fprintf(stderr, "No default server name.\n");
			break;
		
		case PBSE_SYSTEM:
			fprintf(stderr, "System call failure.\n");
			break;
		
		case PBSE_PERM:
			fprintf(stderr, "No Permission.\n");
			break;
		
		case PBSE_PROTOCOL:
			fprintf(stderr, "Communication failure.\n");
			break;
		
		}
	    } else {
		perror(NULL);
	    }
        }
	return (connect);
}