examples/nfsclient-sync.c

   1 /*
   2    Copyright (C) by Ronnie Sahlberg <ronniesahlberg@gmail.com> 2010
   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 /* Example program using the highlevel sync interface
  22  */
  23 #ifdef HAVE_CONFIG_H
  24 #include "config.h"
  25 #endif
  26
  27 #ifdef AROS
  28 #include "aros_compat.h"
  29 #endif
  30
  31 #ifdef WIN32
  32 #include "win32_compat.h"
  33 #pragma comment(lib, "ws2_32.lib")
  34 WSADATA wsaData;
  35 #else
  36 #include <string.h>
  37 #include <sys/stat.h>
  38 #ifndef AROS
  39 #include <sys/statvfs.h>
  40 #endif
  41 #endif
  42
  43 #ifdef HAVE_UNISTD_H
  44 #include <unistd.h>
  45 #endif
  46
  47 #include <stdio.h>
  48 #include <stdlib.h>
  49 #include <stdint.h>
  50 #include <inttypes.h>
  51 #include <sys/types.h>
  52 #include <sys/stat.h>
  53 #include <fcntl.h>
  54 #include "libnfs-zdr.h"
  55 #include "libnfs.h"
  56 #include "libnfs-raw.h"
  57 #include "libnfs-raw-mount.h"
  58
  59 struct client {
  60        char *server;
  61        char *export;
  62        uint32_t mount_port;
  63        int is_finished;
  64 };
  65
  66
  67 char buf[3*1024*1024+337];
  68
  69 void print_usage(void)
  70 {
  71         fprintf(stderr, "Usage: nfsclient-sync [-?|--help] [--usage] <url>\n");
  72 }
  73
  74 int main(int argc, char *argv[])
  75 {
  76         struct nfs_context *nfs = NULL;
  77         int i, ret, res;
  78         uint64_t offset;
  79         struct client client;
  80         struct stat st;
  81         struct nfsfh  *nfsfh;
  82         struct nfsdir *nfsdir;
  83         struct nfsdirent *nfsdirent;
  84         struct statvfs svfs;
  85         exports export, tmp;
  86         const char *url = NULL;
  87         char *server = NULL, *path = NULL, *strp;
  88
  89 #ifdef WIN32
  90         if (WSAStartup(MAKEWORD(2,2), &wsaData) != 0) {
  91                 printf("Failed to start Winsock2\n");
  92                 exit(10);
  93         }
  94 #endif
  95
  96 #ifdef AROS
  97         aros_init_socket();
  98 #endif
  99
 100         url = argv[1];
 101
 102         if (url == NULL) {
 103                 fprintf(stderr, "No URL specified.\n");
 104                 print_usage();
 105                 exit(0);
 106         }
 107
 108         if (strncmp(url, "nfs://", 6)) {
 109                 fprintf(stderr, "Invalid URL specified.\n");
 110                 print_usage();
 111                 exit(0);
 112         }
 113
 114         server = strdup(url + 6);
 115         if (server == NULL) {
 116                 fprintf(stderr, "Failed to strdup server string\n");
 117                 exit(10);
 118         }
 119         if (server[0] == '/' || server[0] == '\0') {
 120                 fprintf(stderr, "Invalid server string.\n");
 121                 free(server);
 122                 exit(10);
 123         }
 124         strp = strchr(server, '/');
 125         if (strp == NULL) {
 126                 fprintf(stderr, "Invalid URL specified.\n");
 127                 print_usage();
 128                 free(server);
 129                 exit(0);
 130         }
 131         path = strdup(strp);
 132         if (path == NULL) {
 133                 fprintf(stderr, "Failed to strdup server string\n");
 134                 free(server);
 135                 exit(10);
 136         }
 137         if (path[0] != '/') {
 138                 fprintf(stderr, "Invalid path.\n");
 139                 free(server);
 140                 free(path);
 141                 exit(10);
 142         }
 143         *strp = 0;
 144
 145         client.server = server;
 146         client.export = path;
 147         client.is_finished = 0;
 148
 149
 150         nfs = nfs_init_context();
 151         if (nfs == NULL) {
 152                 printf("failed to init context\n");
 153                 goto finished;
 154         }
 155
 156         ret = nfs_mount(nfs, client.server, client.export);
 157         if (ret != 0) {
 158                 printf("Failed to mount nfs share : %s\n", nfs_get_error(nfs));
 159                 goto finished;
 160         }
 161
 162
 163         ret = nfs_opendir(nfs, "/", &nfsdir);
 164         if (ret != 0) {
 165                 printf("Failed to opendir(\"/\")\n", nfs_get_error(nfs));
 166                 exit(10);
 167         }
 168         while((nfsdirent = nfs_readdir(nfs, nfsdir)) != NULL) {
 169                 char path[1024];
 170
 171                 if (!strcmp(nfsdirent->name, ".") || !strcmp(nfsdirent->name, "..")) {
 172                         continue;
 173                 }
 174
 175                 snprintf(path, 1024, "%s/%s", "/", nfsdirent->name);
 176                 ret = nfs_stat(nfs, path, &st);
 177                 if (ret != 0) {
 178                         fprintf(stderr, "Failed to stat(%s) %s\n", path, nfs_get_error(nfs));
 179                         continue;
 180                 }
 181
 182                 switch (st.st_mode & S_IFMT) {
 183                 case S_IFLNK:
 184                 case S_IFREG:
 185                         printf("-");
 186                         break;
 187                 case S_IFDIR:
 188                         printf("d");
 189                         break;
 190                 case S_IFCHR:
 191                         printf("c");
 192                         break;
 193                 case S_IFBLK:
 194                         printf("b");
 195                         break;
 196                 }
 197                 printf("%c%c%c",
 198                         "-r"[!!(st.st_mode & S_IRUSR)],
 199                         "-w"[!!(st.st_mode & S_IWUSR)],
 200                         "-x"[!!(st.st_mode & S_IXUSR)]
 201                 );
 202                 printf("%c%c%c",
 203                         "-r"[!!(st.st_mode & S_IRGRP)],
 204                         "-w"[!!(st.st_mode & S_IWGRP)],
 205                         "-x"[!!(st.st_mode & S_IXGRP)]
 206                 );
 207                 printf("%c%c%c",
 208                         "-r"[!!(st.st_mode & S_IROTH)],
 209                         "-w"[!!(st.st_mode & S_IWOTH)],
 210                         "-x"[!!(st.st_mode & S_IXOTH)]
 211                 );
 212                 printf(" %2d", st.st_nlink);
 213                 printf(" %5d", st.st_uid);
 214                 printf(" %5d", st.st_gid);
 215                 printf(" %12" PRId64, st.st_size);
 216
 217                 printf(" %s\n", nfsdirent->name);
 218         }
 219         nfs_closedir(nfs, nfsdir);
 220
 221
 222 finished:
 223         free(server);
 224         free(path);
 225         if (nfs != NULL) {
 226                 nfs_destroy_context(nfs);
 227         }
 228         return 0;
 229 }
 230