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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 async interface. | |
19 | */ | |
00748f36 RS |
20 | #ifdef HAVE_CONFIG_H |
21 | #include "config.h" | |
22 | #endif | |
23 | ||
a8a1b858 M |
24 | #ifdef WIN32 |
25 | #include "win32_compat.h" | |
26 | #else | |
27 | #include <sys/stat.h> | |
a8a1b858 M |
28 | #endif |
29 | ||
00748f36 RS |
30 | #ifdef HAVE_POLL_H |
31 | #include <poll.h> | |
32 | #endif | |
33 | ||
34 | #ifdef HAVE_UNISTD_H | |
35 | #include <unistd.h> | |
36 | #endif | |
37 | ||
84004dbf | 38 | #define SERVER "10.1.1.27" |
921f877b | 39 | #define EXPORT "/VIRTUAL" |
84004dbf RS |
40 | #define NFSFILE "/BOOKS/Classics/Dracula.djvu" |
41 | #define NFSDIR "/BOOKS/Classics/" | |
42 | ||
43 | #include <stdio.h> | |
44 | #include <stdlib.h> | |
45 | #include <stdint.h> | |
46 | #include <sys/types.h> | |
00748f36 | 47 | #include <fcntl.h> |
763cd6e3 | 48 | #include "libnfs-zdr.h" |
84004dbf | 49 | #include "libnfs.h" |
7f0242ca RS |
50 | #include "libnfs-raw.h" |
51 | #include "libnfs-raw-mount.h" | |
52 | ||
53 | struct rpc_context *mount_context; | |
84004dbf RS |
54 | |
55 | struct client { | |
56 | char *server; | |
57 | char *export; | |
58 | uint32_t mount_port; | |
59 | struct nfsfh *nfsfh; | |
60 | int is_finished; | |
61 | }; | |
62 | ||
7f0242ca RS |
63 | void mount_export_cb(struct rpc_context *mount_context, int status, void *data, void *private_data) |
64 | { | |
65 | struct client *client = private_data; | |
66 | exports export = *(exports *)data; | |
67 | ||
68 | if (status < 0) { | |
69 | printf("MOUNT/EXPORT failed with \"%s\"\n", rpc_get_error(mount_context)); | |
70 | exit(10); | |
71 | } | |
72 | ||
73 | printf("Got exports list from server %s\n", client->server); | |
74 | while (export != NULL) { | |
75 | printf("Export: %s\n", export->ex_dir); | |
76 | export = export->ex_next; | |
77 | } | |
78 | ||
79 | mount_context = NULL; | |
80 | ||
81 | client->is_finished = 1; | |
82 | } | |
83 | ||
84004dbf RS |
84 | void nfs_opendir_cb(int status, struct nfs_context *nfs, void *data, void *private_data) |
85 | { | |
86 | struct client *client = private_data; | |
87 | struct nfsdir *nfsdir = data; | |
88 | struct nfsdirent *nfsdirent; | |
89 | ||
90 | if (status < 0) { | |
91 | printf("opendir failed with \"%s\"\n", (char *)data); | |
92 | exit(10); | |
93 | } | |
94 | ||
95 | printf("opendir successful\n"); | |
96 | while((nfsdirent = nfs_readdir(nfs, nfsdir)) != NULL) { | |
97 | printf("Inode:%d Name:%s\n", (int)nfsdirent->inode, nfsdirent->name); | |
98 | } | |
99 | nfs_closedir(nfs, nfsdir); | |
100 | ||
7f0242ca RS |
101 | mount_context = rpc_init_context(); |
102 | if (mount_getexports_async(mount_context, client->server, mount_export_cb, client) != 0) { | |
103 | printf("Failed to start MOUNT/EXPORT\n"); | |
104 | exit(10); | |
105 | } | |
84004dbf RS |
106 | } |
107 | ||
108 | void nfs_close_cb(int status, struct nfs_context *nfs, void *data, void *private_data) | |
109 | { | |
110 | struct client *client = private_data; | |
111 | ||
112 | if (status < 0) { | |
113 | printf("close failed with \"%s\"\n", (char *)data); | |
114 | exit(10); | |
115 | } | |
116 | ||
117 | printf("close successful\n"); | |
118 | printf("call opendir(%s)\n", NFSDIR); | |
119 | if (nfs_opendir_async(nfs, NFSDIR, nfs_opendir_cb, client) != 0) { | |
120 | printf("Failed to start async nfs close\n"); | |
121 | exit(10); | |
122 | } | |
123 | } | |
124 | ||
125 | void nfs_fstat_cb(int status, struct nfs_context *nfs, void *data, void *private_data) | |
126 | { | |
127 | struct client *client = private_data; | |
128 | struct stat *st; | |
129 | ||
130 | if (status < 0) { | |
131 | printf("fstat call failed with \"%s\"\n", (char *)data); | |
132 | exit(10); | |
133 | } | |
134 | ||
135 | printf("Got reply from server for fstat(%s).\n", NFSFILE); | |
136 | st = (struct stat *)data; | |
137 | printf("Mode %04o\n", st->st_mode); | |
138 | printf("Size %d\n", (int)st->st_size); | |
139 | printf("Inode %04o\n", (int)st->st_ino); | |
140 | ||
141 | printf("Close file\n"); | |
142 | if (nfs_close_async(nfs, client->nfsfh, nfs_close_cb, client) != 0) { | |
143 | printf("Failed to start async nfs close\n"); | |
144 | exit(10); | |
145 | } | |
146 | } | |
147 | ||
148 | void nfs_read_cb(int status, struct nfs_context *nfs, void *data, void *private_data) | |
149 | { | |
150 | struct client *client = private_data; | |
151 | char *read_data; | |
152 | int i; | |
153 | ||
154 | if (status < 0) { | |
155 | printf("read failed with \"%s\"\n", (char *)data); | |
156 | exit(10); | |
157 | } | |
158 | ||
159 | printf("read successful with %d bytes of data\n", status); | |
160 | read_data = data; | |
161 | for (i=0;i<16;i++) { | |
162 | printf("%02x ", read_data[i]&0xff); | |
163 | } | |
164 | printf("\n"); | |
165 | printf("Fstat file :%s\n", NFSFILE); | |
166 | if (nfs_fstat_async(nfs, client->nfsfh, nfs_fstat_cb, client) != 0) { | |
167 | printf("Failed to start async nfs fstat\n"); | |
168 | exit(10); | |
169 | } | |
170 | } | |
171 | ||
172 | void nfs_open_cb(int status, struct nfs_context *nfs, void *data, void *private_data) | |
173 | { | |
174 | struct client *client = private_data; | |
175 | struct nfsfh *nfsfh; | |
176 | ||
177 | if (status < 0) { | |
178 | printf("open call failed with \"%s\"\n", (char *)data); | |
179 | exit(10); | |
180 | } | |
181 | ||
182 | nfsfh = data; | |
183 | client->nfsfh = nfsfh; | |
184 | printf("Got reply from server for open(%s). Handle:%p\n", NFSFILE, data); | |
921f877b RS |
185 | printf("Read first 64 bytes\n"); |
186 | if (nfs_pread_async(nfs, nfsfh, 0, 64, nfs_read_cb, client) != 0) { | |
84004dbf RS |
187 | printf("Failed to start async nfs open\n"); |
188 | exit(10); | |
189 | } | |
190 | } | |
191 | ||
192 | void nfs_stat_cb(int status, struct nfs_context *nfs, void *data, void *private_data) | |
193 | { | |
194 | struct client *client = private_data; | |
195 | struct stat *st; | |
196 | ||
197 | if (status < 0) { | |
198 | printf("stat call failed with \"%s\"\n", (char *)data); | |
199 | exit(10); | |
200 | } | |
201 | ||
202 | printf("Got reply from server for stat(%s).\n", NFSFILE); | |
203 | st = (struct stat *)data; | |
204 | printf("Mode %04o\n", st->st_mode); | |
205 | printf("Size %d\n", (int)st->st_size); | |
206 | printf("Inode %04o\n", (int)st->st_ino); | |
207 | ||
208 | printf("Open file for reading :%s\n", NFSFILE); | |
209 | if (nfs_open_async(nfs, NFSFILE, O_RDONLY, nfs_open_cb, client) != 0) { | |
210 | printf("Failed to start async nfs open\n"); | |
211 | exit(10); | |
212 | } | |
213 | } | |
214 | ||
215 | void nfs_mount_cb(int status, struct nfs_context *nfs, void *data, void *private_data) | |
216 | { | |
217 | struct client *client = private_data; | |
218 | ||
219 | if (status < 0) { | |
220 | printf("mount/mnt call failed with \"%s\"\n", (char *)data); | |
221 | exit(10); | |
222 | } | |
223 | ||
224 | printf("Got reply from server for MOUNT/MNT procedure.\n"); | |
225 | printf("Stat file :%s\n", NFSFILE); | |
226 | if (nfs_stat_async(nfs, NFSFILE, nfs_stat_cb, client) != 0) { | |
227 | printf("Failed to start async nfs stat\n"); | |
228 | exit(10); | |
229 | } | |
230 | } | |
231 | ||
232 | ||
233 | ||
7d0397cf | 234 | int main(int argc _U_, char *argv[] _U_) |
84004dbf RS |
235 | { |
236 | struct nfs_context *nfs; | |
84004dbf RS |
237 | int ret; |
238 | struct client client; | |
7f0242ca | 239 | struct pollfd pfds[2]; /* nfs:0 mount:1 */ |
84004dbf RS |
240 | |
241 | client.server = SERVER; | |
242 | client.export = EXPORT; | |
243 | client.is_finished = 0; | |
244 | ||
245 | nfs = nfs_init_context(); | |
246 | if (nfs == NULL) { | |
247 | printf("failed to init context\n"); | |
248 | exit(10); | |
249 | } | |
250 | ||
251 | ret = nfs_mount_async(nfs, client.server, client.export, nfs_mount_cb, &client); | |
252 | if (ret != 0) { | |
253 | printf("Failed to start async nfs mount\n"); | |
254 | exit(10); | |
255 | } | |
256 | ||
257 | for (;;) { | |
7f0242ca RS |
258 | int num_fds; |
259 | ||
260 | pfds[0].fd = nfs_get_fd(nfs); | |
261 | pfds[0].events = nfs_which_events(nfs); | |
262 | num_fds = 1; | |
84004dbf | 263 | |
7f0242ca RS |
264 | if (mount_context != 0 && rpc_get_fd(mount_context) != -1) { |
265 | pfds[1].fd = rpc_get_fd(mount_context); | |
266 | pfds[1].events = rpc_which_events(mount_context); | |
267 | num_fds = 2; | |
268 | } | |
269 | if (poll(&pfds[0], 2, -1) < 0) { | |
84004dbf RS |
270 | printf("Poll failed"); |
271 | exit(10); | |
272 | } | |
7f0242ca RS |
273 | if (mount_context != NULL) { |
274 | if (rpc_service(mount_context, pfds[1].revents) < 0) { | |
275 | printf("rpc_service failed\n"); | |
276 | break; | |
277 | } | |
278 | } | |
279 | if (nfs_service(nfs, pfds[0].revents) < 0) { | |
84004dbf RS |
280 | printf("nfs_service failed\n"); |
281 | break; | |
282 | } | |
283 | if (client.is_finished) { | |
284 | break; | |
285 | } | |
286 | } | |
287 | ||
288 | nfs_destroy_context(nfs); | |
7f0242ca RS |
289 | if (mount_context != NULL) { |
290 | rpc_destroy_context(mount_context); | |
291 | mount_context = NULL; | |
292 | } | |
84004dbf RS |
293 | printf("nfsclient finished\n"); |
294 | return 0; | |
295 | } |