--- /dev/null
+/*
+ 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 <ccan/nfs/nfs.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;
+}