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