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dabf4152 AM |
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 | */ | |
ee872606 RRS |
20 | #ifdef HAVE_CONFIG_H |
21 | #include "config.h" | |
22 | #endif | |
23 | ||
5670ec6e AM |
24 | #ifdef WIN32 |
25 | #include "win32_compat.h" | |
26 | #else | |
27 | #include <sys/stat.h> | |
5670ec6e AM |
28 | #endif |
29 | ||
ee872606 RRS |
30 | #ifdef HAVE_POLL_H |
31 | #include <poll.h> | |
32 | #endif | |
33 | ||
34 | #ifdef HAVE_UNISTD_H | |
35 | #include <unistd.h> | |
36 | #endif | |
37 | ||
dabf4152 AM |
38 | #define SERVER "10.1.1.27" |
39 | #define EXPORT "/VIRTUAL" | |
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> | |
ee872606 | 47 | #include <fcntl.h> |
dabf4152 AM |
48 | #include "libnfs.h" |
49 | #include "libnfs-raw.h" | |
50 | #include "libnfs-raw-mount.h" | |
51 | ||
52 | struct rpc_context *mount_context; | |
53 | ||
54 | struct client { | |
55 | char *server; | |
56 | char *export; | |
57 | uint32_t mount_port; | |
58 | struct nfsfh *nfsfh; | |
59 | int is_finished; | |
60 | }; | |
61 | ||
62 | void mount_export_cb(struct rpc_context *mount_context, int status, void *data, void *private_data) | |
63 | { | |
64 | struct client *client = private_data; | |
65 | exports export = *(exports *)data; | |
66 | ||
67 | if (status < 0) { | |
68 | printf("MOUNT/EXPORT failed with \"%s\"\n", rpc_get_error(mount_context)); | |
69 | exit(10); | |
70 | } | |
71 | ||
72 | printf("Got exports list from server %s\n", client->server); | |
73 | while (export != NULL) { | |
74 | printf("Export: %s\n", export->ex_dir); | |
75 | export = export->ex_next; | |
76 | } | |
77 | ||
78 | mount_context = NULL; | |
79 | ||
80 | client->is_finished = 1; | |
81 | } | |
82 | ||
83 | void nfs_opendir_cb(int status, struct nfs_context *nfs, void *data, void *private_data) | |
84 | { | |
85 | struct client *client = private_data; | |
86 | struct nfsdir *nfsdir = data; | |
87 | struct nfsdirent *nfsdirent; | |
88 | ||
89 | if (status < 0) { | |
90 | printf("opendir failed with \"%s\"\n", (char *)data); | |
91 | exit(10); | |
92 | } | |
93 | ||
94 | printf("opendir successful\n"); | |
95 | while((nfsdirent = nfs_readdir(nfs, nfsdir)) != NULL) { | |
96 | printf("Inode:%d Name:%s\n", (int)nfsdirent->inode, nfsdirent->name); | |
97 | } | |
98 | nfs_closedir(nfs, nfsdir); | |
99 | ||
100 | mount_context = rpc_init_context(); | |
101 | if (mount_getexports_async(mount_context, client->server, mount_export_cb, client) != 0) { | |
102 | printf("Failed to start MOUNT/EXPORT\n"); | |
103 | exit(10); | |
104 | } | |
105 | } | |
106 | ||
107 | void nfs_close_cb(int status, struct nfs_context *nfs, void *data, void *private_data) | |
108 | { | |
109 | struct client *client = private_data; | |
110 | ||
111 | if (status < 0) { | |
112 | printf("close failed with \"%s\"\n", (char *)data); | |
113 | exit(10); | |
114 | } | |
115 | ||
116 | printf("close successful\n"); | |
117 | printf("call opendir(%s)\n", NFSDIR); | |
118 | if (nfs_opendir_async(nfs, NFSDIR, nfs_opendir_cb, client) != 0) { | |
119 | printf("Failed to start async nfs close\n"); | |
120 | exit(10); | |
121 | } | |
122 | } | |
123 | ||
124 | void nfs_fstat_cb(int status, struct nfs_context *nfs, void *data, void *private_data) | |
125 | { | |
126 | struct client *client = private_data; | |
127 | struct stat *st; | |
128 | ||
129 | if (status < 0) { | |
130 | printf("fstat call failed with \"%s\"\n", (char *)data); | |
131 | exit(10); | |
132 | } | |
133 | ||
134 | printf("Got reply from server for fstat(%s).\n", NFSFILE); | |
135 | st = (struct stat *)data; | |
136 | printf("Mode %04o\n", st->st_mode); | |
137 | printf("Size %d\n", (int)st->st_size); | |
138 | printf("Inode %04o\n", (int)st->st_ino); | |
139 | ||
140 | printf("Close file\n"); | |
141 | if (nfs_close_async(nfs, client->nfsfh, nfs_close_cb, client) != 0) { | |
142 | printf("Failed to start async nfs close\n"); | |
143 | exit(10); | |
144 | } | |
145 | } | |
146 | ||
147 | void nfs_read_cb(int status, struct nfs_context *nfs, void *data, void *private_data) | |
148 | { | |
149 | struct client *client = private_data; | |
150 | char *read_data; | |
151 | int i; | |
152 | ||
153 | if (status < 0) { | |
154 | printf("read failed with \"%s\"\n", (char *)data); | |
155 | exit(10); | |
156 | } | |
157 | ||
158 | printf("read successful with %d bytes of data\n", status); | |
159 | read_data = data; | |
160 | for (i=0;i<16;i++) { | |
161 | printf("%02x ", read_data[i]&0xff); | |
162 | } | |
163 | printf("\n"); | |
164 | printf("Fstat file :%s\n", NFSFILE); | |
165 | if (nfs_fstat_async(nfs, client->nfsfh, nfs_fstat_cb, client) != 0) { | |
166 | printf("Failed to start async nfs fstat\n"); | |
167 | exit(10); | |
168 | } | |
169 | } | |
170 | ||
171 | void nfs_open_cb(int status, struct nfs_context *nfs, void *data, void *private_data) | |
172 | { | |
173 | struct client *client = private_data; | |
174 | struct nfsfh *nfsfh; | |
175 | ||
176 | if (status < 0) { | |
177 | printf("open call failed with \"%s\"\n", (char *)data); | |
178 | exit(10); | |
179 | } | |
180 | ||
181 | nfsfh = data; | |
182 | client->nfsfh = nfsfh; | |
183 | printf("Got reply from server for open(%s). Handle:%p\n", NFSFILE, data); | |
184 | printf("Read first 64 bytes\n"); | |
185 | if (nfs_pread_async(nfs, nfsfh, 0, 64, nfs_read_cb, client) != 0) { | |
186 | printf("Failed to start async nfs open\n"); | |
187 | exit(10); | |
188 | } | |
189 | } | |
190 | ||
191 | void nfs_stat_cb(int status, struct nfs_context *nfs, void *data, void *private_data) | |
192 | { | |
193 | struct client *client = private_data; | |
194 | struct stat *st; | |
195 | ||
196 | if (status < 0) { | |
197 | printf("stat call failed with \"%s\"\n", (char *)data); | |
198 | exit(10); | |
199 | } | |
200 | ||
201 | printf("Got reply from server for stat(%s).\n", NFSFILE); | |
202 | st = (struct stat *)data; | |
203 | printf("Mode %04o\n", st->st_mode); | |
204 | printf("Size %d\n", (int)st->st_size); | |
205 | printf("Inode %04o\n", (int)st->st_ino); | |
206 | ||
207 | printf("Open file for reading :%s\n", NFSFILE); | |
208 | if (nfs_open_async(nfs, NFSFILE, O_RDONLY, nfs_open_cb, client) != 0) { | |
209 | printf("Failed to start async nfs open\n"); | |
210 | exit(10); | |
211 | } | |
212 | } | |
213 | ||
214 | void nfs_mount_cb(int status, struct nfs_context *nfs, void *data, void *private_data) | |
215 | { | |
216 | struct client *client = private_data; | |
217 | ||
218 | if (status < 0) { | |
219 | printf("mount/mnt call failed with \"%s\"\n", (char *)data); | |
220 | exit(10); | |
221 | } | |
222 | ||
223 | printf("Got reply from server for MOUNT/MNT procedure.\n"); | |
224 | printf("Stat file :%s\n", NFSFILE); | |
225 | if (nfs_stat_async(nfs, NFSFILE, nfs_stat_cb, client) != 0) { | |
226 | printf("Failed to start async nfs stat\n"); | |
227 | exit(10); | |
228 | } | |
229 | } | |
230 | ||
231 | ||
232 | ||
233 | int main(int argc _U_, char *argv[] _U_) | |
234 | { | |
235 | struct nfs_context *nfs; | |
236 | int ret; | |
237 | struct client client; | |
238 | struct pollfd pfds[2]; /* nfs:0 mount:1 */ | |
239 | ||
240 | client.server = SERVER; | |
241 | client.export = EXPORT; | |
242 | client.is_finished = 0; | |
243 | ||
244 | nfs = nfs_init_context(); | |
245 | if (nfs == NULL) { | |
246 | printf("failed to init context\n"); | |
247 | exit(10); | |
248 | } | |
249 | ||
250 | ret = nfs_mount_async(nfs, client.server, client.export, nfs_mount_cb, &client); | |
251 | if (ret != 0) { | |
252 | printf("Failed to start async nfs mount\n"); | |
253 | exit(10); | |
254 | } | |
255 | ||
256 | for (;;) { | |
257 | int num_fds; | |
258 | ||
259 | pfds[0].fd = nfs_get_fd(nfs); | |
260 | pfds[0].events = nfs_which_events(nfs); | |
261 | num_fds = 1; | |
262 | ||
263 | if (mount_context != 0 && rpc_get_fd(mount_context) != -1) { | |
264 | pfds[1].fd = rpc_get_fd(mount_context); | |
265 | pfds[1].events = rpc_which_events(mount_context); | |
266 | num_fds = 2; | |
267 | } | |
268 | if (poll(&pfds[0], 2, -1) < 0) { | |
269 | printf("Poll failed"); | |
270 | exit(10); | |
271 | } | |
272 | if (mount_context != NULL) { | |
273 | if (rpc_service(mount_context, pfds[1].revents) < 0) { | |
274 | printf("rpc_service failed\n"); | |
275 | break; | |
276 | } | |
277 | } | |
278 | if (nfs_service(nfs, pfds[0].revents) < 0) { | |
279 | printf("nfs_service failed\n"); | |
280 | break; | |
281 | } | |
282 | if (client.is_finished) { | |
283 | break; | |
284 | } | |
285 | } | |
286 | ||
287 | nfs_destroy_context(nfs); | |
288 | if (mount_context != NULL) { | |
289 | rpc_destroy_context(mount_context); | |
290 | mount_context = NULL; | |
291 | } | |
292 | printf("nfsclient finished\n"); | |
293 | return 0; | |
294 | } |