--- /dev/null
+/*
+ Copyright (C) by Ronnie Sahlberg <ronniesahlberg@gmail.com> 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;
+#else
+#include <sys/stat.h>
+#include <string.h>
+#endif
+
+#ifdef HAVE_POLL_H
+#include <poll.h>
+#endif
+
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <sys/types.h>
+#include <fcntl.h>
+#include "libnfs-zdr.h"
+#include "libnfs.h"
+#include "libnfs-raw.h"
+#include "libnfs-raw-mount.h"
+
+struct file_context {
+ int is_nfs;
+ int fd;
+ struct nfs_context *nfs;
+ struct nfsfh *nfsfh;
+ struct nfs_url *url;
+};
+
+void usage(void)
+{
+ fprintf(stderr, "Usage: nfs-cp <src> <dst>\n");
+ fprintf(stderr, "<src>,<dst> can either be a local file or "
+ "an nfs URL.\n");
+ exit(0);
+}
+
+static void
+free_file_context(struct file_context *file_context)
+{
+ if (file_context->fd != -1) {
+ close(file_context->fd);
+ }
+ if (file_context->nfsfh != NULL) {
+ nfs_close(file_context->nfs, file_context->nfsfh);
+ }
+ if (file_context->nfs != NULL) {
+ nfs_destroy_context(file_context->nfs);
+ }
+ nfs_destroy_url(file_context->url);
+ free(file_context);
+}
+
+static int
+fstat_file(struct file_context *fc, struct stat *st)
+{
+ if (fc->is_nfs == 0) {
+ return fstat(fc->fd, st);
+ } else {
+ return nfs_fstat(fc->nfs, fc->nfsfh, st);
+ }
+}
+
+static int64_t
+file_pread(struct file_context *fc, char *buf, int64_t count, uint64_t off)
+{
+ if (fc->is_nfs == 0) {
+ lseek(fc->fd, off, SEEK_SET);
+ return read(fc->fd, buf, count);
+ } else {
+ return nfs_pread(fc->nfs, fc->nfsfh, off, count, buf);
+ }
+}
+
+static int64_t
+file_pwrite(struct file_context *fc, char *buf, int64_t count, uint64_t off)
+{
+ if (fc->is_nfs == 0) {
+ lseek(fc->fd, off, SEEK_SET);
+ return write(fc->fd, buf, count);
+ } else {
+ return nfs_pwrite(fc->nfs, fc->nfsfh, off, count, buf);
+ }
+}
+
+static struct file_context *
+open_file(const char *url, int flags)
+{
+ struct file_context *file_context;
+
+ file_context = malloc(sizeof(struct file_context));
+ if (file_context == NULL) {
+ fprintf(stderr, "Failed to malloc file_context\n");
+ return NULL;
+ }
+ file_context->is_nfs = 0;
+ file_context->fd = -1;
+ file_context->nfs = NULL;
+ file_context->nfsfh = NULL;
+ file_context->url = NULL;
+
+ if (strncmp(url, "nfs://", 6)) {
+ file_context->is_nfs = 0;
+ file_context->fd = open(url, flags, 0660);
+ if (file_context->fd == -1) {
+ fprintf(stderr, "Failed to open %s\n", url);
+ free_file_context(file_context);
+ return NULL;
+ }
+ return file_context;
+ }
+
+ file_context->is_nfs = 1;
+
+ file_context->nfs = nfs_init_context();
+ if (file_context->nfs == NULL) {
+ fprintf(stderr, "failed to init context\n");
+ free_file_context(file_context);
+ return NULL;
+ }
+
+ file_context->url = nfs_parse_url_full(file_context->nfs, url);
+ if (file_context->url == NULL) {
+ fprintf(stderr, "%s\n", nfs_get_error(file_context->nfs));
+ free_file_context(file_context);
+ return NULL;
+ }
+
+ if (nfs_mount(file_context->nfs, file_context->url->server,
+ file_context->url->path) != 0) {
+ fprintf(stderr, "Failed to mount nfs share : %s\n",
+ nfs_get_error(file_context->nfs));
+ free_file_context(file_context);
+ return NULL;
+ }
+
+ if (flags == O_RDONLY) {
+ if (nfs_open(file_context->nfs, file_context->url->file, flags,
+ &file_context->nfsfh) != 0) {
+ fprintf(stderr, "Failed to open file %s: %s\n",
+ file_context->url->file,
+ nfs_get_error(file_context->nfs));
+ free_file_context(file_context);
+ return NULL;
+ }
+ } else {
+ if (nfs_creat(file_context->nfs, file_context->url->file, 0660,
+ &file_context->nfsfh) != 0) {
+ fprintf(stderr, "Failed to creat file %s: %s\n",
+ file_context->url->file,
+ nfs_get_error(file_context->nfs));
+ free_file_context(file_context);
+ return NULL;
+ }
+ }
+ return file_context;
+}
+
+#define BUFSIZE 1024*1024
+static char buf[BUFSIZE];
+
+int main(int argc, char *argv[])
+{
+ int ret;
+ struct stat st;
+ struct file_context *src;
+ struct file_context *dst;
+ uint64_t off;
+ int64_t count;
+
+#ifdef WIN32
+ if (WSAStartup(MAKEWORD(2,2), &wsaData) != 0) {
+ printf("Failed to start Winsock2\n");
+ return 10;
+ }
+#endif
+
+#ifdef AROS
+ aros_init_socket();
+#endif
+
+ if (argc != 3) {
+ usage();
+ }
+
+ src = open_file(argv[1], O_RDONLY);
+ if (src == NULL) {
+ fprintf(stderr, "Failed to open %s\n", argv[1]);
+ return 10;
+ }
+
+ dst = open_file(argv[2], O_WRONLY|O_CREAT|O_TRUNC);
+ if (dst == NULL) {
+ fprintf(stderr, "Failed to open %s\n", argv[2]);
+ free_file_context(src);
+ return 10;
+ }
+
+ if (fstat_file(src, &st) != 0) {
+ fprintf(stderr, "Failed to fstat source file\n");
+ free_file_context(src);
+ free_file_context(dst);
+ return 10;
+ }
+
+ off = 0;
+ while (off < st.st_size) {
+ count = st.st_size - off;
+ if (count > BUFSIZE) {
+ count = BUFSIZE;
+ }
+ count = file_pread(src, buf, count, off);
+ if (count < 0) {
+ fprintf(stderr, "Failed to read from source file\n");
+ free_file_context(src);
+ free_file_context(dst);
+ return 10;
+ }
+ count = file_pwrite(dst, buf, count, off);
+ if (count < 0) {
+ fprintf(stderr, "Failed to write to dest file\n");
+ free_file_context(src);
+ free_file_context(dst);
+ return 10;
+ }
+
+ off += count;
+ }
+ printf("copied %d bytes\n", (int)off);
+
+ free_file_context(src);
+ free_file_context(dst);
+
+ return 0;
+}
repositories / deb_libnfs.git / blobdiff