1.1 --- a/dstest_host_client.cc Thu Apr 01 00:39:16 2021 +0200
1.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000
1.3 @@ -1,93 +0,0 @@
1.4 -/*
1.5 - * Test dataspace operations.
1.6 - *
1.7 - * Copyright (C) 2020, 2021 Paul Boddie <paul@boddie.org.uk>
1.8 - *
1.9 - * This program is free software; you can redistribute it and/or
1.10 - * modify it under the terms of the GNU General Public License as
1.11 - * published by the Free Software Foundation; either version 2 of
1.12 - * the License, or (at your option) any later version.
1.13 - *
1.14 - * This program is distributed in the hope that it will be useful,
1.15 - * but WITHOUT ANY WARRANTY; without even the implied warranty of
1.16 - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
1.17 - * GNU General Public License for more details.
1.18 - *
1.19 - * You should have received a copy of the GNU General Public License
1.20 - * along with this program; if not, write to the Free Software
1.21 - * Foundation, Inc., 51 Franklin Street, Fifth Floor,
1.22 - * Boston, MA 02110-1301, USA
1.23 - */
1.24 -
1.25 -#include <l4/re/env.h>
1.26 -#include <l4/sys/err.h>
1.27 -
1.28 -#include <stdio.h>
1.29 -#include <string.h>
1.30 -#include <stdlib.h>
1.31 -
1.32 -#include "file.h"
1.33 -#include "memory_utils.h"
1.34 -
1.35 -
1.36 -
1.37 -int main(int argc, char *argv[])
1.38 -{
1.39 - if (argc < 4)
1.40 - {
1.41 - printf("Need filename, step and sample size.\n");
1.42 - return 1;
1.43 - }
1.44 -
1.45 - /* Obtain filename and access parameters. */
1.46 -
1.47 - char *filename = argv[1];
1.48 - unsigned long step = atoi(argv[2]);
1.49 - unsigned long sample = atoi(argv[3]);
1.50 -
1.51 - /* Allocate a buffer for sampling from the file. */
1.52 -
1.53 - char buf[sample + 1];
1.54 -
1.55 - /* Obtain access to the filesystem. */
1.56 -
1.57 - l4_cap_idx_t server = l4re_env_get_cap("server");
1.58 -
1.59 - /* Invoke the open method to receive the file reference. */
1.60 -
1.61 - file_t file;
1.62 - long err = file_open(&file, filename, server);
1.63 -
1.64 - if (err)
1.65 - {
1.66 - printf("Could not obtain file: %s\n", l4sys_errtostr(err));
1.67 - return 1;
1.68 - }
1.69 -
1.70 - /* A region of the file is mapped. */
1.71 -
1.72 - err = file_mmap(&file, 0, page(10));
1.73 -
1.74 - if (err)
1.75 - {
1.76 - printf("Could not map file region: %s\n", l4sys_errtostr(err));
1.77 - return 1;
1.78 - }
1.79 -
1.80 - for (unsigned long offset = 0; offset < file_populated_span(&file); offset += step)
1.81 - {
1.82 - unsigned long remaining = file_populated_span(&file) - offset;
1.83 - unsigned long sample_remaining = remaining < sample ? remaining : sample;
1.84 -
1.85 - printf("%ld bytes from %p...\n", sample_remaining, (file.memory + offset));
1.86 - strncpy(buf, (file.memory + offset), sample_remaining);
1.87 - buf[sample_remaining] = '\0';
1.88 - printf("%s\n", buf);
1.89 - }
1.90 -
1.91 - printf("File shown.\n");
1.92 -
1.93 - return 0;
1.94 -}
1.95 -
1.96 -// vim: tabstop=2 expandtab shiftwidth=2