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84004dbf RS |
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 | /* Example program using the highlevel sync interface | |
19 | */ | |
20 | ||
21 | #define SERVER "10.1.1.27" | |
22 | #define EXPORT "/VIRTUAL" | |
e4a5ba42 | 23 | #define NFSFILE "/BOOKS/Classics/Dracula.djvu.truncated" |
84004dbf RS |
24 | #define NFSFILER "/BOOKS/Classics/Dracula.djvu.renamed" |
25 | #define NFSFILEW "/BOOKS/Classics/foo" | |
26 | #define NFSDIR "/BOOKS/Classics/" | |
27 | ||
57187d21 | 28 | #define _GNU_SOURCE |
84004dbf RS |
29 | #include <stdio.h> |
30 | #include <stdlib.h> | |
31 | #include <stdint.h> | |
32 | #include <sys/types.h> | |
33 | #include <sys/stat.h> | |
34 | #include <sys/statvfs.h> | |
35 | #include <unistd.h> | |
36 | #include <fcntl.h> | |
37 | #include "libnfs.h" | |
38 | #include <rpc/rpc.h> /* for authunix_create() */ | |
df5af25f RS |
39 | #include "libnfs-raw.h" |
40 | #include "libnfs-raw-mount.h" | |
84004dbf RS |
41 | |
42 | struct client { | |
43 | char *server; | |
44 | char *export; | |
45 | uint32_t mount_port; | |
46 | int is_finished; | |
47 | }; | |
48 | ||
49 | ||
57187d21 | 50 | char buf[3*1024*1024+337]; |
cdb19ec1 | 51 | |
7d0397cf | 52 | int main(int argc _U_, char *argv[] _U_) |
84004dbf RS |
53 | { |
54 | struct nfs_context *nfs; | |
55 | int i, ret; | |
56 | struct client client; | |
57 | struct stat st; | |
58 | struct nfsfh *nfsfh; | |
59 | struct nfsdir *nfsdir; | |
60 | struct nfsdirent *nfsdirent; | |
61 | client.server = SERVER; | |
62 | client.export = EXPORT; | |
63 | client.is_finished = 0; | |
84004dbf RS |
64 | off_t offset; |
65 | struct statvfs svfs; | |
df5af25f | 66 | exports export, tmp; |
df5af25f | 67 | |
e210bd2a | 68 | export = mount_getexports(SERVER); |
739df145 RS |
69 | if (export != NULL) { |
70 | printf("exports on server %s\n", SERVER); | |
71 | tmp = export; | |
72 | while (tmp != NULL) { | |
73 | printf("Export: %s\n", tmp->ex_dir); | |
74 | tmp = tmp->ex_next; | |
75 | } | |
df5af25f | 76 | |
739df145 RS |
77 | mount_free_export_list(export); |
78 | } else { | |
79 | printf("no exports on server %s\n", SERVER); | |
80 | } | |
84004dbf RS |
81 | |
82 | nfs = nfs_init_context(); | |
83 | if (nfs == NULL) { | |
84 | printf("failed to init context\n"); | |
85 | exit(10); | |
86 | } | |
87 | ||
e2ba5764 | 88 | ret = nfs_mount(nfs, client.server, client.export); |
84004dbf RS |
89 | if (ret != 0) { |
90 | printf("Failed to mount nfs share : %s\n", nfs_get_error(nfs)); | |
91 | exit(10); | |
92 | } | |
1e8994af | 93 | printf("mounted share successfully %s\n", nfs_get_error(nfs)); |
84004dbf RS |
94 | |
95 | ||
e2ba5764 | 96 | ret = nfs_stat(nfs, NFSFILE, &st); |
84004dbf RS |
97 | if (ret != 0) { |
98 | printf("Failed to stat(%s) %s\n", NFSFILE, nfs_get_error(nfs)); | |
99 | exit(10); | |
100 | } | |
101 | printf("Mode %04o\n", st.st_mode); | |
102 | printf("Size %d\n", (int)st.st_size); | |
103 | printf("Inode %04o\n", (int)st.st_ino); | |
104 | ||
e2ba5764 | 105 | ret = nfs_open(nfs, NFSFILE, O_RDONLY, &nfsfh); |
84004dbf RS |
106 | if (ret != 0) { |
107 | printf("Failed to open(%s) %s\n", NFSFILE, nfs_get_error(nfs)); | |
108 | exit(10); | |
109 | } | |
110 | ||
cdb19ec1 | 111 | #if 0 |
e2ba5764 | 112 | ret = nfs_read(nfs, nfsfh, 16, buf); |
84004dbf RS |
113 | if (ret < 0) { |
114 | printf("Failed to pread(%s) %s\n", NFSFILE, nfs_get_error(nfs)); | |
115 | exit(10); | |
116 | } | |
117 | printf("read %d bytes\n", ret); | |
118 | for (i=0;i<16;i++) { | |
119 | printf("%02x ", buf[i]&0xff); | |
120 | } | |
121 | printf("\n"); | |
cdb19ec1 RS |
122 | #endif |
123 | ret = nfs_read(nfs, nfsfh, sizeof(buf), buf); | |
84004dbf RS |
124 | if (ret < 0) { |
125 | printf("Failed to pread(%s) %s\n", NFSFILE, nfs_get_error(nfs)); | |
126 | exit(10); | |
127 | } | |
128 | printf("read %d bytes\n", ret); | |
129 | for (i=0;i<16;i++) { | |
130 | printf("%02x ", buf[i]&0xff); | |
131 | } | |
132 | printf("\n"); | |
57187d21 RS |
133 | ret = nfs_read(nfs, nfsfh, sizeof(buf), buf); |
134 | if (ret < 0) { | |
135 | printf("Failed to pread(%s) %s\n", NFSFILE, nfs_get_error(nfs)); | |
136 | exit(10); | |
137 | } | |
138 | printf("read %d bytes\n", ret); | |
139 | ret = nfs_read(nfs, nfsfh, sizeof(buf), buf); | |
140 | if (ret < 0) { | |
141 | printf("Failed to pread(%s) %s\n", NFSFILE, nfs_get_error(nfs)); | |
142 | exit(10); | |
143 | } | |
144 | printf("read %d bytes\n", ret); | |
145 | ret = nfs_read(nfs, nfsfh, sizeof(buf), buf); | |
146 | if (ret < 0) { | |
147 | printf("Failed to pread(%s) %s\n", NFSFILE, nfs_get_error(nfs)); | |
148 | exit(10); | |
149 | } | |
150 | printf("read %d bytes\n", ret); | |
151 | ret = nfs_read(nfs, nfsfh, sizeof(buf), buf); | |
152 | if (ret < 0) { | |
153 | printf("Failed to pread(%s) %s\n", NFSFILE, nfs_get_error(nfs)); | |
154 | exit(10); | |
155 | } | |
156 | printf("read %d bytes\n", ret); | |
157 | ret = nfs_read(nfs, nfsfh, sizeof(buf), buf); | |
158 | if (ret < 0) { | |
159 | printf("Failed to pread(%s) %s\n", NFSFILE, nfs_get_error(nfs)); | |
160 | exit(10); | |
161 | } | |
162 | printf("read %d bytes\n", ret); | |
84004dbf | 163 | |
e2ba5764 | 164 | ret = (int)nfs_lseek(nfs, nfsfh, 0, SEEK_CUR, &offset); |
84004dbf RS |
165 | if (ret < 0) { |
166 | printf("Failed to lseek(%s) %s\n", NFSFILE, nfs_get_error(nfs)); | |
167 | exit(10); | |
168 | } | |
169 | printf("File position is %d\n", (int)offset); | |
170 | ||
171 | printf("seek to end of file\n"); | |
e2ba5764 | 172 | ret = (int)nfs_lseek(nfs, nfsfh, 0, SEEK_END, &offset); |
84004dbf RS |
173 | if (ret < 0) { |
174 | printf("Failed to lseek(%s) %s\n", NFSFILE, nfs_get_error(nfs)); | |
175 | exit(10); | |
176 | } | |
177 | printf("File position is %d\n", (int)offset); | |
178 | ||
e2ba5764 | 179 | ret = nfs_fstat(nfs, nfsfh, &st); |
84004dbf RS |
180 | if (ret != 0) { |
181 | printf("Failed to stat(%s) %s\n", NFSFILE, nfs_get_error(nfs)); | |
182 | exit(10); | |
183 | } | |
184 | printf("Mode %04o\n", st.st_mode); | |
185 | printf("Size %d\n", (int)st.st_size); | |
186 | printf("Inode %04o\n", (int)st.st_ino); | |
187 | ||
188 | ||
e2ba5764 | 189 | ret = nfs_close(nfs, nfsfh); |
84004dbf | 190 | if (ret < 0) { |
7d0397cf | 191 | printf("Failed to close(%s): %s\n", NFSFILE, nfs_get_error(nfs)); |
84004dbf RS |
192 | exit(10); |
193 | } | |
194 | ||
e2ba5764 | 195 | ret = nfs_opendir(nfs, NFSDIR, &nfsdir); |
84004dbf RS |
196 | if (ret != 0) { |
197 | printf("Failed to open(%s) %s\n", NFSFILE, nfs_get_error(nfs)); | |
198 | exit(10); | |
199 | } | |
200 | while((nfsdirent = nfs_readdir(nfs, nfsdir)) != NULL) { | |
57187d21 RS |
201 | char *filename = NULL; |
202 | printf("Inode:%d Name:%s ", (int)nfsdirent->inode, nfsdirent->name); | |
203 | asprintf(&filename, "%s/%s", NFSDIR, nfsdirent->name); | |
204 | ret = nfs_open(nfs, filename, O_RDONLY, &nfsfh); | |
205 | free(filename); | |
206 | if (ret != 0) { | |
207 | printf("Failed to open(%s) %s\n", filename, nfs_get_error(nfs)); | |
208 | exit(10); | |
209 | } | |
210 | ret = nfs_read(nfs, nfsfh, sizeof(buf), buf); | |
211 | if (ret < 0) { | |
212 | printf("Error reading file\n"); | |
213 | exit(10); | |
214 | } | |
215 | printf("Read %d bytes\n", ret); | |
216 | ret = nfs_close(nfs, nfsfh); | |
217 | if (ret < 0) { | |
218 | printf("Failed to close(%s): %s\n", NFSFILE, nfs_get_error(nfs)); | |
219 | exit(10); | |
220 | } | |
84004dbf RS |
221 | } |
222 | nfs_closedir(nfs, nfsdir); | |
223 | ||
224 | ||
e2ba5764 | 225 | ret = nfs_open(nfs, NFSFILEW, O_WRONLY, &nfsfh); |
84004dbf RS |
226 | if (ret != 0) { |
227 | printf("Failed to open(%s) %s\n", NFSFILEW, nfs_get_error(nfs)); | |
228 | exit(10); | |
229 | } | |
e2ba5764 | 230 | ret = nfs_pwrite(nfs, nfsfh, 0, 16, buf); |
84004dbf RS |
231 | if (ret < 0) { |
232 | printf("Failed to pwrite(%s) %s\n", NFSFILEW, nfs_get_error(nfs)); | |
233 | exit(10); | |
234 | } | |
e2ba5764 | 235 | ret = nfs_fsync(nfs, nfsfh); |
84004dbf RS |
236 | if (ret < 0) { |
237 | printf("Failed to fsync(%s) %s\n", NFSFILEW, nfs_get_error(nfs)); | |
238 | exit(10); | |
239 | } | |
e2ba5764 | 240 | ret = nfs_close(nfs, nfsfh); |
84004dbf | 241 | if (ret < 0) { |
7d0397cf | 242 | printf("Failed to close(%s) %s\n", NFSFILEW, nfs_get_error(nfs)); |
84004dbf RS |
243 | exit(10); |
244 | } | |
245 | ||
246 | ||
e2ba5764 | 247 | ret = nfs_statvfs(nfs, NFSDIR, &svfs); |
84004dbf | 248 | if (ret < 0) { |
7d0397cf | 249 | printf("Failed to statvfs(%s) %s\n", NFSDIR, nfs_get_error(nfs)); |
84004dbf RS |
250 | exit(10); |
251 | } | |
252 | printf("files %d/%d/%d\n", (int)svfs.f_files, (int)svfs.f_ffree, (int)svfs.f_favail); | |
253 | ||
254 | ||
e2ba5764 | 255 | ret = nfs_access(nfs, NFSFILE, R_OK); |
84004dbf RS |
256 | if (ret != 0) { |
257 | printf("Failed to access(%s) %s\n", NFSFILE, nfs_get_error(nfs)); | |
258 | } | |
259 | ||
260 | /* become root */ | |
261 | nfs_set_auth(nfs, authunix_create("Ronnies-Laptop", 0, 0, 0, NULL)); | |
262 | ||
e2ba5764 | 263 | ret = nfs_link(nfs, NFSFILE, NFSFILER); |
84004dbf RS |
264 | if (ret != 0) { |
265 | printf("Failed to link(%s) %s\n", NFSFILE, nfs_get_error(nfs)); | |
266 | } | |
267 | ||
268 | ||
269 | nfs_destroy_context(nfs); | |
270 | printf("nfsclient finished\n"); | |
271 | return 0; | |
272 | } | |
df5af25f | 273 |