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>

diff --git a/examples/Makefile.am b/examples/Makefile.am
index 200ba115fb44b7898d904b9522628e0c513601ca..32b0e5597cd597c43d906b3e044d211ff3cdc0bc 100644 (file)
--- a/examples/Makefile.am
+++ b/examples/Makefile.am
@@ -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

diff --git a/examples/nfs-io.c b/examples/nfs-io.c
new file mode 100644 (file)
index 0000000..bda05d5
--- /dev/null
+++ b/examples/nfs-io.c
@@ -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;
+}
+

diff --git a/lib/libnfs.c b/lib/libnfs.c
index f7a2bf07ea4698f8f152e1b6e6a05b446b0db5f5..e2c2c029354d49cdbae85188c66c580d7b3c4b53 100644 (file)
--- a/lib/libnfs.c
+++ b/lib/libnfs.c
@@ -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;