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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 | ||
28 | #include <stdio.h> | |
29 | #include <stdlib.h> | |
30 | #include <stdint.h> | |
31 | #include <sys/types.h> | |
32 | #include <sys/stat.h> | |
33 | #include <sys/statvfs.h> | |
34 | #include <unistd.h> | |
35 | #include <fcntl.h> | |
36 | #include "libnfs.h" | |
37 | #include <rpc/rpc.h> /* for authunix_create() */ | |
df5af25f RS |
38 | #include "libnfs-raw.h" |
39 | #include "libnfs-raw-mount.h" | |
84004dbf RS |
40 | |
41 | struct client { | |
42 | char *server; | |
43 | char *export; | |
44 | uint32_t mount_port; | |
45 | int is_finished; | |
46 | }; | |
47 | ||
48 | ||
e4a5ba42 | 49 | char buf[5*1024*1024]; |
cdb19ec1 | 50 | |
7d0397cf | 51 | int main(int argc _U_, char *argv[] _U_) |
84004dbf RS |
52 | { |
53 | struct nfs_context *nfs; | |
54 | int i, ret; | |
55 | struct client client; | |
56 | struct stat st; | |
57 | struct nfsfh *nfsfh; | |
58 | struct nfsdir *nfsdir; | |
59 | struct nfsdirent *nfsdirent; | |
60 | client.server = SERVER; | |
61 | client.export = EXPORT; | |
62 | client.is_finished = 0; | |
84004dbf RS |
63 | off_t offset; |
64 | struct statvfs svfs; | |
df5af25f | 65 | exports export, tmp; |
df5af25f RS |
66 | |
67 | printf("exports on server %s\n", SERVER); | |
e210bd2a | 68 | export = mount_getexports(SERVER); |
df5af25f RS |
69 | tmp = export; |
70 | while (tmp != NULL) { | |
71 | printf("Export: %s\n", tmp->ex_dir); | |
72 | tmp = tmp->ex_next; | |
73 | } | |
74 | mount_free_export_list(export); | |
df5af25f | 75 | |
84004dbf RS |
76 | |
77 | nfs = nfs_init_context(); | |
78 | if (nfs == NULL) { | |
79 | printf("failed to init context\n"); | |
80 | exit(10); | |
81 | } | |
82 | ||
e2ba5764 | 83 | ret = nfs_mount(nfs, client.server, client.export); |
84004dbf RS |
84 | if (ret != 0) { |
85 | printf("Failed to mount nfs share : %s\n", nfs_get_error(nfs)); | |
86 | exit(10); | |
87 | } | |
1e8994af | 88 | printf("mounted share successfully %s\n", nfs_get_error(nfs)); |
84004dbf RS |
89 | |
90 | ||
e2ba5764 | 91 | ret = nfs_stat(nfs, NFSFILE, &st); |
84004dbf RS |
92 | if (ret != 0) { |
93 | printf("Failed to stat(%s) %s\n", NFSFILE, nfs_get_error(nfs)); | |
94 | exit(10); | |
95 | } | |
96 | printf("Mode %04o\n", st.st_mode); | |
97 | printf("Size %d\n", (int)st.st_size); | |
98 | printf("Inode %04o\n", (int)st.st_ino); | |
99 | ||
e2ba5764 | 100 | ret = nfs_open(nfs, NFSFILE, O_RDONLY, &nfsfh); |
84004dbf RS |
101 | if (ret != 0) { |
102 | printf("Failed to open(%s) %s\n", NFSFILE, nfs_get_error(nfs)); | |
103 | exit(10); | |
104 | } | |
105 | ||
cdb19ec1 | 106 | #if 0 |
e2ba5764 | 107 | ret = nfs_read(nfs, nfsfh, 16, buf); |
84004dbf RS |
108 | if (ret < 0) { |
109 | printf("Failed to pread(%s) %s\n", NFSFILE, nfs_get_error(nfs)); | |
110 | exit(10); | |
111 | } | |
112 | printf("read %d bytes\n", ret); | |
113 | for (i=0;i<16;i++) { | |
114 | printf("%02x ", buf[i]&0xff); | |
115 | } | |
116 | printf("\n"); | |
cdb19ec1 RS |
117 | #endif |
118 | ret = nfs_read(nfs, nfsfh, sizeof(buf), buf); | |
84004dbf RS |
119 | if (ret < 0) { |
120 | printf("Failed to pread(%s) %s\n", NFSFILE, nfs_get_error(nfs)); | |
121 | exit(10); | |
122 | } | |
123 | printf("read %d bytes\n", ret); | |
124 | for (i=0;i<16;i++) { | |
125 | printf("%02x ", buf[i]&0xff); | |
126 | } | |
127 | printf("\n"); | |
128 | ||
e2ba5764 | 129 | ret = (int)nfs_lseek(nfs, nfsfh, 0, SEEK_CUR, &offset); |
84004dbf RS |
130 | if (ret < 0) { |
131 | printf("Failed to lseek(%s) %s\n", NFSFILE, nfs_get_error(nfs)); | |
132 | exit(10); | |
133 | } | |
134 | printf("File position is %d\n", (int)offset); | |
135 | ||
136 | printf("seek to end of file\n"); | |
e2ba5764 | 137 | ret = (int)nfs_lseek(nfs, nfsfh, 0, SEEK_END, &offset); |
84004dbf RS |
138 | if (ret < 0) { |
139 | printf("Failed to lseek(%s) %s\n", NFSFILE, nfs_get_error(nfs)); | |
140 | exit(10); | |
141 | } | |
142 | printf("File position is %d\n", (int)offset); | |
143 | ||
e2ba5764 | 144 | ret = nfs_fstat(nfs, nfsfh, &st); |
84004dbf RS |
145 | if (ret != 0) { |
146 | printf("Failed to stat(%s) %s\n", NFSFILE, nfs_get_error(nfs)); | |
147 | exit(10); | |
148 | } | |
149 | printf("Mode %04o\n", st.st_mode); | |
150 | printf("Size %d\n", (int)st.st_size); | |
151 | printf("Inode %04o\n", (int)st.st_ino); | |
152 | ||
153 | ||
e2ba5764 | 154 | ret = nfs_close(nfs, nfsfh); |
84004dbf | 155 | if (ret < 0) { |
7d0397cf | 156 | printf("Failed to close(%s): %s\n", NFSFILE, nfs_get_error(nfs)); |
84004dbf RS |
157 | exit(10); |
158 | } | |
159 | ||
e2ba5764 | 160 | ret = nfs_opendir(nfs, NFSDIR, &nfsdir); |
84004dbf RS |
161 | if (ret != 0) { |
162 | printf("Failed to open(%s) %s\n", NFSFILE, nfs_get_error(nfs)); | |
163 | exit(10); | |
164 | } | |
165 | while((nfsdirent = nfs_readdir(nfs, nfsdir)) != NULL) { | |
166 | printf("Inode:%d Name:%s\n", (int)nfsdirent->inode, nfsdirent->name); | |
167 | } | |
168 | nfs_closedir(nfs, nfsdir); | |
169 | ||
170 | ||
e2ba5764 | 171 | ret = nfs_open(nfs, NFSFILEW, O_WRONLY, &nfsfh); |
84004dbf RS |
172 | if (ret != 0) { |
173 | printf("Failed to open(%s) %s\n", NFSFILEW, nfs_get_error(nfs)); | |
174 | exit(10); | |
175 | } | |
e2ba5764 | 176 | ret = nfs_pwrite(nfs, nfsfh, 0, 16, buf); |
84004dbf RS |
177 | if (ret < 0) { |
178 | printf("Failed to pwrite(%s) %s\n", NFSFILEW, nfs_get_error(nfs)); | |
179 | exit(10); | |
180 | } | |
e2ba5764 | 181 | ret = nfs_fsync(nfs, nfsfh); |
84004dbf RS |
182 | if (ret < 0) { |
183 | printf("Failed to fsync(%s) %s\n", NFSFILEW, nfs_get_error(nfs)); | |
184 | exit(10); | |
185 | } | |
e2ba5764 | 186 | ret = nfs_close(nfs, nfsfh); |
84004dbf | 187 | if (ret < 0) { |
7d0397cf | 188 | printf("Failed to close(%s) %s\n", NFSFILEW, nfs_get_error(nfs)); |
84004dbf RS |
189 | exit(10); |
190 | } | |
191 | ||
192 | ||
e2ba5764 | 193 | ret = nfs_statvfs(nfs, NFSDIR, &svfs); |
84004dbf | 194 | if (ret < 0) { |
7d0397cf | 195 | printf("Failed to statvfs(%s) %s\n", NFSDIR, nfs_get_error(nfs)); |
84004dbf RS |
196 | exit(10); |
197 | } | |
198 | printf("files %d/%d/%d\n", (int)svfs.f_files, (int)svfs.f_ffree, (int)svfs.f_favail); | |
199 | ||
200 | ||
e2ba5764 | 201 | ret = nfs_access(nfs, NFSFILE, R_OK); |
84004dbf RS |
202 | if (ret != 0) { |
203 | printf("Failed to access(%s) %s\n", NFSFILE, nfs_get_error(nfs)); | |
204 | } | |
205 | ||
206 | /* become root */ | |
207 | nfs_set_auth(nfs, authunix_create("Ronnies-Laptop", 0, 0, 0, NULL)); | |
208 | ||
e2ba5764 | 209 | ret = nfs_link(nfs, NFSFILE, NFSFILER); |
84004dbf RS |
210 | if (ret != 0) { |
211 | printf("Failed to link(%s) %s\n", NFSFILE, nfs_get_error(nfs)); | |
212 | } | |
213 | ||
214 | ||
215 | nfs_destroy_context(nfs); | |
216 | printf("nfsclient finished\n"); | |
217 | return 0; | |
218 | } | |
df5af25f | 219 |