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examples: add nfs-io example

this simple example tool allows to
- creat and unlink files
- mkdir and rmdir directories
- stat

Signed-off-by: Peter Lieven <pl@kamp.de>
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1 parent 82f5df2 commit 6bdcd5b676e18dab7ead92c3076eaccd72a58221 @plieven plieven committed Dec 23, 2013
Showing with 181 additions and 2 deletions.
  1. +3 −1 examples/Makefile.am
  2. +177 −0 examples/nfs-io.c
  3. +1 −1 lib/libnfs.c
View
@@ -1,4 +1,4 @@
-noinst_PROGRAMS = nfsclient-async nfsclient-raw nfsclient-sync nfsclient-bcast nfsclient-listservers nfs-ls nfs-cp
+noinst_PROGRAMS = nfsclient-async nfsclient-raw nfsclient-sync nfsclient-bcast nfsclient-listservers nfs-ls nfs-cp nfs-io
AM_CPPFLAGS = \
-I$(abs_top_srcdir)/include \
@@ -15,6 +15,8 @@ nfs_ls_SOURCES = nfs-ls.c
nfs_cp_SOURCES = nfs-cp.c
+nfs_io_SOURCES = nfs-io.c
+
nfsclient_async_SOURCES = nfsclient-async.c
nfsclient_raw_SOURCES = nfsclient-raw.c
View
@@ -0,0 +1,177 @@
+/*
+ Copyright (C) by Peter Lieven <pl@kamp.de> 2013
+
+ 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/>.
+*/
+
+#define _FILE_OFFSET_BITS 64
+#define _GNU_SOURCE
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#ifdef AROS
+#include "aros_compat.h"
+#endif
+
+#ifdef WIN32
+#include "win32_compat.h"
+#pragma comment(lib, "ws2_32.lib")
+WSADATA wsaData;
+#define PRId64 "ll"
+#else
+#include <inttypes.h>
+#include <string.h>
+#include <sys/stat.h>
+#include <sys/statvfs.h>
+#ifndef AROS
+#include <sys/statvfs.h>
+#endif
+#endif
+
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include "libnfs-zdr.h"
+#include "libnfs.h"
+#include "libnfs-raw.h"
+#include "libnfs-raw-mount.h"
+
+void print_usage(void)
+{
+ fprintf(stderr, "Usage: nfs-io [-?|--help|--usage] [stat|creat|unlink|mkdir|rmdir] <url>\n");
+}
+
+int main(int argc, char *argv[])
+{
+ int ret = 1;
+ struct nfs_context *nfs = NULL;
+ struct nfsfh *nfsfh = NULL;
+ struct nfs_url *url = NULL;
+
+#ifdef WIN32
+ if (WSAStartup(MAKEWORD(2,2), &wsaData) != 0) {
+ printf("Failed to start Winsock2\n");
+ exit(10);
+ }
+#endif
+
+#ifdef AROS
+ aros_init_socket();
+#endif
+
+ if (argc < 3) {
+ fprintf(stderr, "No URL specified.\n");
+ goto finished;
+ }
+
+ nfs = nfs_init_context();
+ if (nfs == NULL) {
+ printf("failed to init context\n");
+ goto finished;
+ }
+
+ url = nfs_parse_url_full(nfs, argv[argc - 1]);
+ if (url == NULL) {
+ fprintf(stderr, "%s\n", nfs_get_error(nfs));
+ goto finished;
+ }
+
+ if (nfs_mount(nfs, url->server, url->path) != 0) {
+ fprintf(stderr, "Failed to mount nfs share : %s\n", nfs_get_error(nfs));
+ goto finished;
+ }
+
+ if (!strncmp(argv[1], "creat", 5)) {
+ ret = nfs_creat(nfs, url->file, 0600, &nfsfh);
+ } else if (!strncmp(argv[1], "unlink", 6)) {
+ ret = nfs_unlink(nfs, url->file);
+ } else if (!strncmp(argv[1], "mkdir", 5)) {
+ ret = nfs_mkdir(nfs, url->file);
+ } else if (!strncmp(argv[1], "rmdir", 5)) {
+ ret = nfs_rmdir(nfs, url->file);
+ } else if (!strncmp(argv[1], "stat", 4)) {
+ struct stat st;
+ ret = nfs_stat(nfs, url->file, &st);
+ if (!ret) {
+ switch (st.st_mode & S_IFMT) {
+ #ifndef WIN32
+ case S_IFLNK:
+ printf("l");
+ break;
+ #endif
+ case S_IFREG:
+ printf("-");
+ break;
+ case S_IFDIR:
+ printf("d");
+ break;
+ case S_IFCHR:
+ printf("c");
+ break;
+ case S_IFBLK:
+ printf("b");
+ break;
+ }
+ printf("%c%c%c",
+ "-r"[!!(st.st_mode & S_IRUSR)],
+ "-w"[!!(st.st_mode & S_IWUSR)],
+ "-x"[!!(st.st_mode & S_IXUSR)]
+ );
+ printf("%c%c%c",
+ "-r"[!!(st.st_mode & S_IRGRP)],
+ "-w"[!!(st.st_mode & S_IWGRP)],
+ "-x"[!!(st.st_mode & S_IXGRP)]
+ );
+ printf("%c%c%c",
+ "-r"[!!(st.st_mode & S_IROTH)],
+ "-w"[!!(st.st_mode & S_IWOTH)],
+ "-x"[!!(st.st_mode & S_IXOTH)]
+ );
+ printf(" %2d", (int) st.st_nlink);
+ printf(" %5d", st.st_uid);
+ printf(" %5d", st.st_gid);
+ printf(" %12" PRId64, st.st_size);
+ printf("\n");
+ }
+ } else {
+ goto finished;
+ }
+
+ if (ret) {
+ fprintf(stderr, "ERROR: %s\n", nfs_get_error(nfs));
+ }
+
+finished:
+ if (ret > 0) {
+ print_usage();
+ }
+ nfs_destroy_url(url);
+ if (nfs != NULL) {
+ if (nfsfh) {
+ nfs_close(nfs, nfsfh);
+ }
+ nfs_destroy_context(nfs);
+ }
+ return !!ret;
+}
+
View
@@ -173,7 +173,7 @@ char *nfs_get_error(struct nfs_context *nfs)
return rpc_get_error(nfs->rpc);
};
-static struct nfs_url *nfs_parse_url(struct nfs_context *nfs, char *url, int dir, int incomplete)
+static struct nfs_url *nfs_parse_url(struct nfs_context *nfs, const char *url, int dir, int incomplete)
{
struct nfs_url *urls;
char *strp, *flagsp, *strp2;

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