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 #define PRId64 "ll"
  36 #else
  37 #include <inttypes.h>
  38 #include <string.h>
  39 #include <sys/stat.h>
  40 #ifndef AROS
  41 #include <sys/statvfs.h>
  42 #endif
  43 #endif
  44
  45 #ifdef HAVE_UNISTD_H
  46 #include <unistd.h>
  47 #endif
  48
  49 #include <stdio.h>
  50 #include <stdlib.h>
  51 #include <stdint.h>
  52 #include <sys/types.h>
  53 #include <sys/stat.h>
  54 #include <fcntl.h>
  55 #include "libnfs-zdr.h"
  56 #include "libnfs.h"
  57 #include "libnfs-raw.h"
  58 #include "libnfs-raw-mount.h"
  59
  60 struct client {
  61        char *server;
  62        char *export;
  63        uint32_t mount_port;
  64        int is_finished;
  65 };
  66
  67
  68 char buf[3*1024*1024+337];
  69
  70 void print_usage(void)
  71 {
  72         fprintf(stderr, "Usage: nfsclient-sync [-?|--help] [--usage] <url>\n");
  73 }
  74
  75 int main(int argc, char *argv[])
  76 {
  77         struct nfs_context *nfs = NULL;
  78         int i, ret, res;
  79         uint64_t offset;
  80         struct client client;
  81         struct stat st;
  82         struct nfsfh  *nfsfh;
  83         struct nfsdir *nfsdir;
  84         struct nfsdirent *nfsdirent;
  85         struct statvfs svfs;
  86         exports export, tmp;
  87         const char *url = NULL;
  88         char *server = NULL, *path = NULL, *strp;
  89
  90 #ifdef WIN32
  91         if (WSAStartup(MAKEWORD(2,2), &wsaData) != 0) {
  92                 printf("Failed to start Winsock2\n");
  93                 exit(10);
  94         }
  95 #endif
  96
  97 #ifdef AROS
  98         aros_init_socket();
  99 #endif
 100
 101         url = argv[1];
 102
 103         if (url == NULL) {
 104                 fprintf(stderr, "No URL specified.\n");
 105                 print_usage();
 106                 exit(0);
 107         }
 108
 109         if (strncmp(url, "nfs://", 6)) {
 110                 fprintf(stderr, "Invalid URL specified.\n");
 111                 print_usage();
 112                 exit(0);
 113         }
 114
 115         server = strdup(url + 6);
 116         if (server == NULL) {
 117                 fprintf(stderr, "Failed to strdup server string\n");
 118                 exit(10);
 119         }
 120         if (server[0] == '/' || server[0] == '\0') {
 121                 fprintf(stderr, "Invalid server string.\n");
 122                 free(server);
 123                 exit(10);
 124         }
 125         strp = strchr(server, '/');
 126         if (strp == NULL) {
 127                 fprintf(stderr, "Invalid URL specified.\n");
 128                 print_usage();
 129                 free(server);
 130                 exit(0);
 131         }
 132         path = strdup(strp);
 133         if (path == NULL) {
 134                 fprintf(stderr, "Failed to strdup server string\n");
 135                 free(server);
 136                 exit(10);
 137         }
 138         if (path[0] != '/') {
 139                 fprintf(stderr, "Invalid path.\n");
 140                 free(server);
 141                 free(path);
 142                 exit(10);
 143         }
 144         *strp = 0;
 145
 146         client.server = server;
 147         client.export = path;
 148         client.is_finished = 0;
 149
 150
 151         nfs = nfs_init_context();
 152         if (nfs == NULL) {
 153                 printf("failed to init context\n");
 154                 goto finished;
 155         }
 156
 157         ret = nfs_mount(nfs, client.server, client.export);
 158         if (ret != 0) {
 159                 printf("Failed to mount nfs share : %s\n", nfs_get_error(nfs));
 160                 goto finished;
 161         }
 162
 163
 164         ret = nfs_opendir(nfs, "/", &nfsdir);
 165         if (ret != 0) {
 166                 printf("Failed to opendir(\"/\") %s\n", nfs_get_error(nfs));
 167                 exit(10);
 168         }
 169         while((nfsdirent = nfs_readdir(nfs, nfsdir)) != NULL) {
 170                 char path[1024];
 171
 172                 if (!strcmp(nfsdirent->name, ".") || !strcmp(nfsdirent->name, "..")) {
 173                         continue;
 174                 }
 175
 176                 sprintf(path, "%s/%s", "/", nfsdirent->name);
 177                 ret = nfs_stat(nfs, path, &st);
 178                 if (ret != 0) {
 179                         fprintf(stderr, "Failed to stat(%s) %s\n", path, nfs_get_error(nfs));
 180                         continue;
 181                 }
 182
 183                 switch (st.st_mode & S_IFMT) {
 184 #ifndef WIN32
 185                 case S_IFLNK:
 186 #endif
 187                 case S_IFREG:
 188                         printf("-");
 189                         break;
 190                 case S_IFDIR:
 191                         printf("d");
 192                         break;
 193                 case S_IFCHR:
 194                         printf("c");
 195                         break;
 196                 case S_IFBLK:
 197                         printf("b");
 198                         break;
 199                 }
 200                 printf("%c%c%c",
 201                         "-r"[!!(st.st_mode & S_IRUSR)],
 202                         "-w"[!!(st.st_mode & S_IWUSR)],
 203                         "-x"[!!(st.st_mode & S_IXUSR)]
 204                 );
 205                 printf("%c%c%c",
 206                         "-r"[!!(st.st_mode & S_IRGRP)],
 207                         "-w"[!!(st.st_mode & S_IWGRP)],
 208                         "-x"[!!(st.st_mode & S_IXGRP)]
 209                 );
 210                 printf("%c%c%c",
 211                         "-r"[!!(st.st_mode & S_IROTH)],
 212                         "-w"[!!(st.st_mode & S_IWOTH)],
 213                         "-x"[!!(st.st_mode & S_IXOTH)]
 214                 );
 215                 printf(" %2d", (int)st.st_nlink);
 216                 printf(" %5d", st.st_uid);
 217                 printf(" %5d", st.st_gid);
 218                 printf(" %12" PRId64, st.st_size);
 219
 220                 printf(" %s\n", nfsdirent->name);
 221         }
 222         nfs_closedir(nfs, nfsdir);
 223
 224
 225 finished:
 226         free(server);
 227         free(path);
 228         if (nfs != NULL) {
 229                 nfs_destroy_context(nfs);
 230         }
 231         return 0;
 232 }
 233