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/**************************************************************************
* *
* Copyright (C) 1995 Silicon Graphics, Inc. *
* *
* These coded instructions, statements, and computer programs were *
* developed by SGI for public use. If any changes are made to this code*
* please try to get the changes back to the author. Feel free to make *
* modifications and changes to the code and release it. *
* *
**************************************************************************/
#include <stdio.h>
#include <errno.h>
#include <signal.h>
#include <stdlib.h>
#include <string.h>
#ifndef WIN32
#include <netdb.h>
#include <sys/param.h>
#endif /* WIN32 */
#include <sys/types.h>
#ifndef WIN32
#include <sys/ipc.h>
#include <sys/shm.h>
#include <sys/errno.h>
#include <sys/socket.h>
#include <sys/time.h>
#include <netinet/in.h>
#else
#include <windows.h>
#include <process.h>
#include <time.h>
#include <winsock.h>
#endif /* WIN32 */
#include <ctype.h>
#include "sysdep.h"
#include "bench.h"
/*
* count_file_list()
* given a filename, return a guess at the number of pages
*/
int
count_file_list(const char *url_list_file)
{
FILE *fp;
long int num_of_pages;
char a_line[BUFSIZ];
char *textvalue;
int returnval;
fp = fopen(url_list_file, "r");
if (fp == NULL)
{
D_PRINTF( "Error %d opening filelist %s: %s\n",
errno, url_list_file, strerror(errno) );;
return(returnerr("Error %d opening filelist %s: %s\n",
errno, url_list_file, strerror(errno)));
}
else
{
num_of_pages = 0;
D_PRINTF( "Opened file, about to count\n" );
/*
* parse through the file line-by-line
* strip out comments, but don't check for URL consistency
*/
while (fgets(a_line, BUFSIZ, fp) != NULL)
{
textvalue = a_line;
/* check for comments */
if (strchr(textvalue, '#') != NULL)
{
/* throw out anything after any '#' */
D_PRINTF( "Stripping comment from line: %s\n", textvalue );
returnval = strcspn(textvalue, "#");
D_PRINTF( "Found first # at %d\n", returnval );
if (returnval == 0)
{
textvalue = NULL;
}
}
/* is there more? */
if (textvalue != NULL)
{
num_of_pages++;
D_PRINTF( "Found %ld pages\n", num_of_pages );
}
}
return(num_of_pages);
}
fclose(fp);
} /* end count_file_list() */
/*
* parse_file_list()
* given a filename, a pointer to a page list, and pointers to integers
* for the number of pages and the number of files, parse its contents.
*/
void
parse_file_list (const char *url_list_file, page_list_t *page_list,
long int *num_of_pages, long int *num_of_files)
{
FILE *fp;
int filenum;
int returnval;
int loadnum;
char a_line[BUFSIZ];
char tempbuf[BUFSIZ];
char *textvalue;
int numfiles = 1, numpages = 0;
int maxpages = *num_of_pages;
page_list_t *pp;
extern int haveproxyserver;
fp = fopen(url_list_file, "r");
if (fp == NULL)
{
errexit("Error %d opening filelist: %s\n", errno, strerror(errno));
}
else
{
/*
* GRAB A LINE. FORMAT IS: URL WEIGHTINGFACTOR
* EXAMPLE: http://www/file.html 1
*/
D_PRINTF( "File is open.\n" );
while(fgets(a_line, BUFSIZ, fp) != NULL)
{
textvalue = a_line;
/* check for comments */
if (strchr(textvalue, '#') != NULL)
{
/* throw out anything after a '#' */
D_PRINTF( "Stripping comment from line: %s\n", textvalue );
returnval = strcspn(textvalue, "#");
D_PRINTF( "Found first # at %d\n", returnval );
if (returnval == 0)
continue;
}
if (numpages >= *num_of_pages)
errexit("Out of space in parse_file_list()\n");
pp = &page_list[numpages];
D_PRINTF( "Processing page %ld\n", numpages );
loadnum = 0;
if (textvalue != NULL) { /* is there more? */
/* check for weighting factor */
D_PRINTF( "Setting page values from: %s\n", textvalue );
returnval = sscanf(textvalue, "%s%d", tempbuf, &loadnum);
D_PRINTF( "Scan for weighting returns %d, %d\n",
returnval, loadnum );
if (returnval == EOF || loadnum <= 0)
{
pp->load_num = 1;
}
else
{
pp->load_num = loadnum;
}
D_PRINTF( "Setting load=%d for line: %s\n",
pp->load_num, textvalue );
/* placeholder for grouping multiple files onto one page */
pp->num_of_files = 1;
filenum = 0;
textvalue = tempbuf;
D_PRINTF( "Line is now: %s\n", textvalue );
/*
* if we've got a proxy server, we'll assume that the
* remaining text is a valid URL, and stuff it into
* page_list[numpages].filename[filenum]
* Otherwise, we'll have to parse it out.
*/
if (haveproxyserver)
{
pp->servername[filenum] = NULL;
pp->port_number[filenum] = 0;
strcpy(pp->filename[filenum], textvalue);
}
else /* no proxy server, so we have to parse it out... */
{
/* try http://server(:port)/file */
D_PRINTF( "Trying http://server(:port)/filename\n" );
returnval = sscanf(textvalue, "http://%[^/]%s",
tempbuf,
a_line);
/* check server string for :port */
if (returnval != 0 && returnval != EOF)
{
D_PRINTF( "Setting filename %s\n", a_line );
strcpy(pp->filename[filenum],
a_line);
D_PRINTF( "Checking %s for :portnumber\n", tempbuf );
returnval = sscanf(tempbuf, "%[^:]:%d",
a_line,
&pp->port_number[filenum]);
if (returnval < 2)
{
pp->port_number[filenum] = 80;
}
if (returnval == EOF)
{
pp->servername[filenum] = NULL;
}
else
{
D_PRINTF( "Port number %d, setting server %s\n",
pp->port_number[filenum],
a_line );
strcpy(pp->servername[filenum], a_line);
}
D_PRINTF( "Server %s, port number %d\n",
pp->servername[filenum],
pp->port_number[filenum] );
}
else /* no good - try straight filename */
{
pp->port_number[filenum] = 80;
D_PRINTF( "Trying filename, returnval=%d\n",
returnval );
pp->servername[filenum] = NULL;
D_PRINTF( "Server %s, port number %d\n",
pp->servername[filenum],
pp->port_number[filenum] );
returnval = sscanf(textvalue, "%s", a_line);
D_PRINTF( "Scan returned filename %s\n", a_line );
strcpy(pp->filename[filenum], a_line);
} /* end of parsing */
} /* end if haveproxyserver */
D_PRINTF( "Done parsing line\n" );
D_PRINTF( "Got server %s, port %d, file %s, returnval %d\n",
pp->servername[filenum],
pp->port_number[filenum],
pp->filename[filenum],
returnval );
} /* end if textvalue not NULL */
numpages++;
} /* end while not EOF */
if (numpages < 1)
{
returnerr("No files are specified by filelist\n");
}
} /* end if file ok */
fclose(fp);
D_PRINTF( "Returning %ld pages and %ld files\n",
numpages, numfiles );
*num_of_pages = numpages;
*num_of_files = numfiles;
}
/* end parse_file_list */
long int
load_percent(page_list_t *page_list, long int number_of_pages)
{
int i;
long int index_number = 0;
for (i = 0; i < number_of_pages; i++)
{
index_number += page_list[i].load_num;
}
D_PRINTF( "load_percent returning %d\n", (index_number) );
return(index_number);
}
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