hostinfo.cc revision 2665
152SN/A/* 21762SN/A * Copyright (c) 2003-2005 The Regents of The University of Michigan 352SN/A * All rights reserved. 452SN/A * 552SN/A * Redistribution and use in source and binary forms, with or without 652SN/A * modification, are permitted provided that the following conditions are 752SN/A * met: redistributions of source code must retain the above copyright 852SN/A * notice, this list of conditions and the following disclaimer; 952SN/A * redistributions in binary form must reproduce the above copyright 1052SN/A * notice, this list of conditions and the following disclaimer in the 1152SN/A * documentation and/or other materials provided with the distribution; 1252SN/A * neither the name of the copyright holders nor the names of its 1352SN/A * contributors may be used to endorse or promote products derived from 1452SN/A * this software without specific prior written permission. 1552SN/A * 1652SN/A * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 1752SN/A * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 1852SN/A * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 1952SN/A * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 2052SN/A * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 2152SN/A * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 2252SN/A * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 2352SN/A * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 2452SN/A * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 2552SN/A * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 2652SN/A * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 272665Ssaidi@eecs.umich.edu * 282665Ssaidi@eecs.umich.edu * Authors: Nathan Binkert 2952SN/A */ 3052SN/A 3152SN/A#include <ctype.h> 3252SN/A#include <errno.h> 3352SN/A#include <math.h> 34401SN/A#include <unistd.h> 3552SN/A 36401SN/A#include <cstdlib> 37401SN/A#include <cstring> 38401SN/A#include <string> 39401SN/A 40401SN/A#include "base/misc.hh" 4156SN/A#include "sim/host.hh" 4252SN/A 43401SN/Ausing namespace std; 44401SN/A 45401SN/Astring 46401SN/A__get_hostname() 47401SN/A{ 48401SN/A char host[256]; 49401SN/A if (gethostname(host, sizeof host) == -1) 50401SN/A warn("could not get host name!"); 51401SN/A return host; 52401SN/A} 53401SN/A 54401SN/Astring & 55401SN/Ahostname() 56401SN/A{ 57401SN/A static string hostname = __get_hostname(); 58401SN/A return hostname; 59401SN/A} 60401SN/A 6152SN/Auint64_t 6252SN/AprocInfo(char *filename, char *target) 6352SN/A{ 6452SN/A int done = 0; 6552SN/A char line[80]; 6652SN/A char format[80]; 6792SN/A long usage; 6852SN/A 6952SN/A FILE *fp = fopen(filename, "r"); 7052SN/A 7152SN/A while (fp && !feof(fp) && !done) { 7252SN/A if (fgets(line, 80, fp)) { 7352SN/A if (strncmp(line, target, strlen(target)) == 0) { 741875SN/A snprintf(format, sizeof(format), "%s %%ld", target); 7552SN/A sscanf(line, format, &usage); 7652SN/A 7752SN/A fclose(fp); 7852SN/A return usage ; 7952SN/A } 8052SN/A } 8152SN/A } 8252SN/A 8352SN/A if (fp) 8452SN/A fclose(fp); 8552SN/A 8652SN/A return 0; 8752SN/A} 88