examples/nfs-io.c

   1 /*
   2    Copyright (C) by Peter Lieven <pl@kamp.de> 2013
   3
   4    This program is free software; you can redistribute it and/or modify
   5    it under the terms of the GNU General Public License as published by
   6    the Free Software Foundation; either version 3 of the License, or
   7    (at your option) any later version.
   8
   9    This program is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12    GNU General Public License for more details.
  13
  14    You should have received a copy of the GNU General Public License
  15    along with this program; if not, see <http://www.gnu.org/licenses/>.
  16 */
  17
  18 #define _FILE_OFFSET_BITS 64
  19 #define _GNU_SOURCE
  20
  21 #ifdef HAVE_CONFIG_H
  22 #include "config.h"
  23 #endif
  24
  25 #ifdef AROS
  26 #include "aros_compat.h"
  27 #endif
  28
  29 #ifdef WIN32
  30 #include "win32_compat.h"
  31 #pragma comment(lib, "ws2_32.lib")
  32 WSADATA wsaData;
  33 #define PRId64 "ll"
  34 #else
  35 #include <inttypes.h>
  36 #include <string.h>
  37 #include <sys/stat.h>
  38 #include <sys/statvfs.h>
  39 #ifndef AROS
  40 #include <sys/statvfs.h>
  41 #endif
  42 #endif
  43
  44 #ifdef HAVE_UNISTD_H
  45 #include <unistd.h>
  46 #endif
  47
  48 #include <stdio.h>
  49 #include <stdlib.h>
  50 #include <stdint.h>
  51 #include <sys/types.h>
  52 #include <sys/stat.h>
  53 #include <fcntl.h>
  54 #include "libnfs.h"
  55 #include "libnfs-raw.h"
  56 #include "libnfs-raw-mount.h"
  57
  58 void print_usage(void)
  59 {
  60         fprintf(stderr, "Usage: nfs-io [-?|--help|--usage] [stat|creat|unlink|mkdir|rmdir] <url>\n");
  61 }
  62
  63 int main(int argc, char *argv[])
  64 {
  65         int ret = 1;
  66         struct nfs_context *nfs = NULL;
  67         struct nfsfh *nfsfh = NULL;
  68         struct nfs_url *url = NULL;
  69
  70 #ifdef WIN32
  71         if (WSAStartup(MAKEWORD(2,2), &wsaData) != 0) {
  72                 printf("Failed to start Winsock2\n");
  73                 exit(10);
  74         }
  75 #endif
  76
  77 #ifdef AROS
  78         aros_init_socket();
  79 #endif
  80
  81         if (argc < 3) {
  82                 fprintf(stderr, "No URL specified.\n");
  83                 goto finished;
  84         }
  85
  86         nfs = nfs_init_context();
  87         if (nfs == NULL) {
  88                 printf("failed to init context\n");
  89                 goto finished;
  90         }
  91
  92         url = nfs_parse_url_full(nfs, argv[argc - 1]);
  93         if (url == NULL) {
  94                 fprintf(stderr, "%s\n", nfs_get_error(nfs));
  95                 goto finished;
  96         }
  97
  98         if (nfs_mount(nfs, url->server, url->path) != 0) {
  99                 fprintf(stderr, "Failed to mount nfs share : %s\n", nfs_get_error(nfs));
 100                 goto finished;
 101         }
 102
 103         if (!strncmp(argv[1], "creat", 5)) {
 104                 ret = nfs_creat(nfs, url->file, 0600, &nfsfh);
 105         } else if (!strncmp(argv[1], "unlink", 6)) {
 106                 ret = nfs_unlink(nfs, url->file);
 107         } else if (!strncmp(argv[1], "mkdir", 5)) {
 108                 ret = nfs_mkdir(nfs, url->file);
 109         } else if (!strncmp(argv[1], "rmdir", 5)) {
 110                 ret = nfs_rmdir(nfs, url->file);
 111         } else if (!strncmp(argv[1], "stat", 4)) {
 112                 struct stat st;
 113                 ret = nfs_stat(nfs, url->file, &st);
 114                 if (!ret) {
 115                         switch (st.st_mode & S_IFMT) {
 116         #ifndef WIN32
 117                         case S_IFLNK:
 118                                 printf("l");
 119                                 break;
 120         #endif
 121                         case S_IFREG:
 122                                 printf("-");
 123                                 break;
 124                         case S_IFDIR:
 125                                 printf("d");
 126                                 break;
 127                         case S_IFCHR:
 128                                 printf("c");
 129                                 break;
 130                         case S_IFBLK:
 131                                 printf("b");
 132                                 break;
 133                         }
 134                         printf("%c%c%c",
 135                                 "-r"[!!(st.st_mode & S_IRUSR)],
 136                                 "-w"[!!(st.st_mode & S_IWUSR)],
 137                                 "-x"[!!(st.st_mode & S_IXUSR)]
 138                         );
 139                         printf("%c%c%c",
 140                                 "-r"[!!(st.st_mode & S_IRGRP)],
 141                                 "-w"[!!(st.st_mode & S_IWGRP)],
 142                                 "-x"[!!(st.st_mode & S_IXGRP)]
 143                         );
 144                         printf("%c%c%c",
 145                                 "-r"[!!(st.st_mode & S_IROTH)],
 146                                 "-w"[!!(st.st_mode & S_IWOTH)],
 147                                 "-x"[!!(st.st_mode & S_IXOTH)]
 148                         );
 149                         printf(" %2d", (int) st.st_nlink);
 150                         printf(" %5d", st.st_uid);
 151                         printf(" %5d", st.st_gid);
 152                         printf(" %12" PRId64, st.st_size);
 153                         printf("\n");
 154                 }
 155         } else {
 156                 goto finished;
 157         }
 158
 159         if (ret) {
 160                 fprintf(stderr, "ERROR: %s\n", nfs_get_error(nfs));
 161         }
 162
 163 finished:
 164         if (ret > 0) {
 165                 print_usage();
 166         }
 167         nfs_destroy_url(url);
 168         if (nfs != NULL) {
 169                 if (nfsfh) {
 170                         nfs_close(nfs, nfsfh);
 171                 }
 172                 nfs_destroy_context(nfs);
 173         }
 174         return !!ret;
 175 }
 176