-/*
- Copyright (C) by Ronnie Sahlberg <ronniesahlberg@gmail.com> 2010
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 3 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, see <http://www.gnu.org/licenses/>.
-*/
-
-/* Example program using the highlevel async interface.
- */
-
-#define SERVER "10.1.1.27"
-#define EXPORT "/VIRTUAL"
-#define NFSFILE "/BOOKS/Classics/Dracula.djvu"
-#define NFSDIR "/BOOKS/Classics/"
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <stdint.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <unistd.h>
-#include <fcntl.h>
-#include <poll.h>
-#include "libnfs.h"
-
-struct client {
- char *server;
- char *export;
- uint32_t mount_port;
- struct nfsfh *nfsfh;
- int is_finished;
-};
-
-void nfs_opendir_cb(int status, struct nfs_context *nfs, void *data, void *private_data)
-{
- struct client *client = private_data;
- struct nfsdir *nfsdir = data;
- struct nfsdirent *nfsdirent;
-
- if (status < 0) {
- printf("opendir failed with \"%s\"\n", (char *)data);
- exit(10);
- }
-
- printf("opendir successful\n");
- while((nfsdirent = nfs_readdir(nfs, nfsdir)) != NULL) {
- printf("Inode:%d Name:%s\n", (int)nfsdirent->inode, nfsdirent->name);
- }
- nfs_closedir(nfs, nfsdir);
-
- client->is_finished = 1;
-}
-
-void nfs_close_cb(int status, struct nfs_context *nfs, void *data, void *private_data)
-{
- struct client *client = private_data;
-
- if (status < 0) {
- printf("close failed with \"%s\"\n", (char *)data);
- exit(10);
- }
-
- printf("close successful\n");
- printf("call opendir(%s)\n", NFSDIR);
- if (nfs_opendir_async(nfs, NFSDIR, nfs_opendir_cb, client) != 0) {
- printf("Failed to start async nfs close\n");
- exit(10);
- }
-}
-
-void nfs_fstat_cb(int status, struct nfs_context *nfs, void *data, void *private_data)
-{
- struct client *client = private_data;
- struct stat *st;
-
- if (status < 0) {
- printf("fstat call failed with \"%s\"\n", (char *)data);
- exit(10);
- }
-
- printf("Got reply from server for fstat(%s).\n", NFSFILE);
- st = (struct stat *)data;
- printf("Mode %04o\n", st->st_mode);
- printf("Size %d\n", (int)st->st_size);
- printf("Inode %04o\n", (int)st->st_ino);
-
- printf("Close file\n");
- if (nfs_close_async(nfs, client->nfsfh, nfs_close_cb, client) != 0) {
- printf("Failed to start async nfs close\n");
- exit(10);
- }
-}
-
-void nfs_read_cb(int status, struct nfs_context *nfs, void *data, void *private_data)
-{
- struct client *client = private_data;
- char *read_data;
- int i;
-
- if (status < 0) {
- printf("read failed with \"%s\"\n", (char *)data);
- exit(10);
- }
-
- printf("read successful with %d bytes of data\n", status);
- read_data = data;
- for (i=0;i<16;i++) {
- printf("%02x ", read_data[i]&0xff);
- }
- printf("\n");
- printf("Fstat file :%s\n", NFSFILE);
- if (nfs_fstat_async(nfs, client->nfsfh, nfs_fstat_cb, client) != 0) {
- printf("Failed to start async nfs fstat\n");
- exit(10);
- }
-}
-
-void nfs_open_cb(int status, struct nfs_context *nfs, void *data, void *private_data)
-{
- struct client *client = private_data;
- struct nfsfh *nfsfh;
-
- if (status < 0) {
- printf("open call failed with \"%s\"\n", (char *)data);
- exit(10);
- }
-
- nfsfh = data;
- client->nfsfh = nfsfh;
- printf("Got reply from server for open(%s). Handle:%p\n", NFSFILE, data);
- printf("Read first 16 bytes\n");
- if (nfs_pread_async(nfs, nfsfh, 0, 16, nfs_read_cb, client) != 0) {
- printf("Failed to start async nfs open\n");
- exit(10);
- }
-}
-
-void nfs_stat_cb(int status, struct nfs_context *nfs, void *data, void *private_data)
-{
- struct client *client = private_data;
- struct stat *st;
-
- if (status < 0) {
- printf("stat call failed with \"%s\"\n", (char *)data);
- exit(10);
- }
-
- printf("Got reply from server for stat(%s).\n", NFSFILE);
- st = (struct stat *)data;
- printf("Mode %04o\n", st->st_mode);
- printf("Size %d\n", (int)st->st_size);
- printf("Inode %04o\n", (int)st->st_ino);
-
- printf("Open file for reading :%s\n", NFSFILE);
- if (nfs_open_async(nfs, NFSFILE, O_RDONLY, nfs_open_cb, client) != 0) {
- printf("Failed to start async nfs open\n");
- exit(10);
- }
-}
-
-void nfs_mount_cb(int status, struct nfs_context *nfs, void *data, void *private_data)
-{
- struct client *client = private_data;
-
- if (status < 0) {
- printf("mount/mnt call failed with \"%s\"\n", (char *)data);
- exit(10);
- }
-
- printf("Got reply from server for MOUNT/MNT procedure.\n");
- printf("Stat file :%s\n", NFSFILE);
- if (nfs_stat_async(nfs, NFSFILE, nfs_stat_cb, client) != 0) {
- printf("Failed to start async nfs stat\n");
- exit(10);
- }
-}
-
-
-
-int main(int argc, char *argv[])
-{
- struct nfs_context *nfs;
- struct pollfd pfd;
- int ret;
- struct client client;
-
- client.server = SERVER;
- client.export = EXPORT;
- client.is_finished = 0;
-
- nfs = nfs_init_context();
- if (nfs == NULL) {
- printf("failed to init context\n");
- exit(10);
- }
-
- ret = nfs_mount_async(nfs, client.server, client.export, nfs_mount_cb, &client);
- if (ret != 0) {
- printf("Failed to start async nfs mount\n");
- exit(10);
- }
-
- for (;;) {
- pfd.fd = nfs_get_fd(nfs);
- pfd.events = nfs_which_events(nfs);
-
- if (poll(&pfd, 1, -1) < 0) {
- printf("Poll failed");
- exit(10);
- }
- if (nfs_service(nfs, pfd.revents) < 0) {
- printf("nfs_service failed\n");
- break;
- }
- if (client.is_finished) {
- break;
- }
- }
-
- nfs_destroy_context(nfs);
- printf("nfsclient finished\n");
- return 0;
-}
projects / ccan / blobdiff