Change the sync example to perform a 'ls -l' on an NFS URL
Ronnie Sahlberg
parent
b9813d24ca
commit
67336940cd
|
|
@ -15,24 +15,20 @@
|
|||
along with this program; if not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
||||
#define _FILE_OFFSET_BITS 64
|
||||
#define _GNU_SOURCE
|
||||
|
||||
/* Example program using the highlevel sync interface
|
||||
*/
|
||||
#ifdef WIN32
|
||||
#include "win32_compat.h"
|
||||
#else
|
||||
#include <string.h>
|
||||
#include <fcntl.h>
|
||||
#include <sys/stat.h>
|
||||
#include <sys/statvfs.h>
|
||||
#endif
|
||||
|
||||
#define SERVER "10.1.1.27"
|
||||
#define EXPORT "/VIRTUAL"
|
||||
#define NFSFILE "/BOOKS/Classics/Dracula.djvu.truncated"
|
||||
#define NFSFILER "/BOOKS/Classics/Dracula.djvu.renamed"
|
||||
#define NFSFILEW "/BOOKS/Classics/foo"
|
||||
#define NFSDIR "/BOOKS/Classics/"
|
||||
|
||||
#define _GNU_SOURCE
|
||||
|
||||
#if defined(WIN32)
|
||||
#pragma comment(lib, "ws2_32.lib")
|
||||
|
|
@ -45,11 +41,14 @@ WSADATA wsaData;
|
|||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <stdint.h>
|
||||
#include <inttypes.h>
|
||||
#include <sys/types.h>
|
||||
#include <sys/stat.h>
|
||||
#include <fcntl.h>
|
||||
#include "libnfs-zdr.h"
|
||||
#include "libnfs.h"
|
||||
#include <rpc/rpc.h> /* for authunix_create() */
|
||||
#include <popt.h>
|
||||
#include "libnfs-raw.h"
|
||||
#include "libnfs-raw-mount.h"
|
||||
|
||||
|
|
@ -61,27 +60,33 @@ struct client {
|
|||
};
|
||||
|
||||
|
||||
void PrintServerList()
|
||||
{
|
||||
struct nfs_server_list *srvrs;
|
||||
struct nfs_server_list *srv;
|
||||
|
||||
srvrs = nfs_find_local_servers();
|
||||
|
||||
for (srv=srvrs; srv; srv = srv->next)
|
||||
{
|
||||
printf("Found nfs server: %s\n", srv->addr);
|
||||
|
||||
}
|
||||
free_nfs_srvr_list(srvrs);
|
||||
}
|
||||
|
||||
char buf[3*1024*1024+337];
|
||||
|
||||
int main(int argc _U_, char *argv[] _U_)
|
||||
void print_usage(void)
|
||||
{
|
||||
struct nfs_context *nfs;
|
||||
int i, ret;
|
||||
fprintf(stderr, "Usage: nfsclient-sync [-?|--help] [--usage] <url>\n");
|
||||
}
|
||||
|
||||
void print_help(void)
|
||||
{
|
||||
fprintf(stderr, "Usage: nfsclient-sync [OPTION...] <url>\n");
|
||||
fprintf(stderr, "\n");
|
||||
fprintf(stderr, "Help options:\n");
|
||||
fprintf(stderr, " -?, --help Show this help message\n");
|
||||
fprintf(stderr, " --usage Display brief usage message\n");
|
||||
fprintf(stderr, "\n");
|
||||
fprintf(stderr, "NFS URL format : nfs://<server>/<export-path>\n");
|
||||
fprintf(stderr, "\n");
|
||||
fprintf(stderr, "<host> is either of:\n");
|
||||
fprintf(stderr, " \"hostname\" nfs.example\n");
|
||||
fprintf(stderr, " \"ipv4-address\" 10.1.1.27\n");
|
||||
fprintf(stderr, " \"ipv6-address\" [fce0::1]\n");
|
||||
}
|
||||
|
||||
int main(int argc, char *argv[])
|
||||
{
|
||||
struct nfs_context *nfs = NULL;
|
||||
int i, ret, res;
|
||||
uint64_t offset;
|
||||
struct client client;
|
||||
struct stat st;
|
||||
|
|
@ -90,6 +95,18 @@ int main(int argc _U_, char *argv[] _U_)
|
|||
struct nfsdirent *nfsdirent;
|
||||
struct statvfs svfs;
|
||||
exports export, tmp;
|
||||
int show_help = 0, show_usage = 0;
|
||||
poptContext pc;
|
||||
const char **extra_argv;
|
||||
int extra_argc = 0;
|
||||
const char *url = NULL;
|
||||
char *server = NULL, *path = NULL, *strp;
|
||||
|
||||
struct poptOption popt_options[] = {
|
||||
{ "help", '?', POPT_ARG_NONE, &show_help, 0, "Show this help message", NULL },
|
||||
{ "usage", 0, POPT_ARG_NONE, &show_usage, 0, "Display brief usage message", NULL },
|
||||
POPT_TABLEEND
|
||||
};
|
||||
|
||||
#if defined(WIN32)
|
||||
if (WSAStartup(MAKEWORD(2,2), &wsaData) != 0) {
|
||||
|
|
@ -98,212 +115,158 @@ int main(int argc _U_, char *argv[] _U_)
|
|||
}
|
||||
#endif
|
||||
|
||||
client.server = SERVER;
|
||||
client.export = EXPORT;
|
||||
pc = poptGetContext(argv[0], argc, argv, popt_options, POPT_CONTEXT_POSIXMEHARDER);
|
||||
if ((res = poptGetNextOpt(pc)) < -1) {
|
||||
fprintf(stderr, "Failed to parse option : %s %s\n",
|
||||
poptBadOption(pc, 0), poptStrerror(res));
|
||||
exit(10);
|
||||
}
|
||||
extra_argv = poptGetArgs(pc);
|
||||
if (extra_argv) {
|
||||
url = *extra_argv;
|
||||
extra_argv++;
|
||||
while (extra_argv[extra_argc]) {
|
||||
extra_argc++;
|
||||
}
|
||||
}
|
||||
poptFreeContext(pc);
|
||||
|
||||
if (show_help != 0) {
|
||||
print_help();
|
||||
exit(0);
|
||||
}
|
||||
|
||||
if (show_usage != 0) {
|
||||
print_usage();
|
||||
exit(0);
|
||||
}
|
||||
|
||||
if (url == NULL) {
|
||||
fprintf(stderr, "No URL specified.\n");
|
||||
print_usage();
|
||||
exit(0);
|
||||
}
|
||||
|
||||
if (strncmp(url, "nfs://", 6)) {
|
||||
fprintf(stderr, "Invalid URL specified.\n");
|
||||
print_usage();
|
||||
exit(0);
|
||||
}
|
||||
|
||||
server = strdup(url + 6);
|
||||
if (server == NULL) {
|
||||
fprintf(stderr, "Failed to strdup server string\n");
|
||||
exit(10);
|
||||
}
|
||||
if (server[0] == '/' || server[0] == '\0') {
|
||||
fprintf(stderr, "Invalid server string.\n");
|
||||
free(server);
|
||||
exit(10);
|
||||
}
|
||||
strp = strchr(server, '/');
|
||||
if (strp == NULL) {
|
||||
fprintf(stderr, "Invalid URL specified.\n");
|
||||
print_usage();
|
||||
free(server);
|
||||
exit(0);
|
||||
}
|
||||
path = strdup(strp);
|
||||
if (path == NULL) {
|
||||
fprintf(stderr, "Failed to strdup server string\n");
|
||||
free(server);
|
||||
exit(10);
|
||||
}
|
||||
if (path[0] != '/') {
|
||||
fprintf(stderr, "Invalid path.\n");
|
||||
free(server);
|
||||
free(path);
|
||||
exit(10);
|
||||
}
|
||||
*strp = 0;
|
||||
|
||||
client.server = server;
|
||||
client.export = path;
|
||||
client.is_finished = 0;
|
||||
|
||||
PrintServerList();
|
||||
|
||||
export = mount_getexports(SERVER);
|
||||
if (export != NULL) {
|
||||
printf("exports on server %s\n", SERVER);
|
||||
tmp = export;
|
||||
while (tmp != NULL) {
|
||||
printf("Export: %s\n", tmp->ex_dir);
|
||||
tmp = tmp->ex_next;
|
||||
}
|
||||
|
||||
mount_free_export_list(export);
|
||||
} else {
|
||||
printf("no exports on server %s\n", SERVER);
|
||||
}
|
||||
|
||||
nfs = nfs_init_context();
|
||||
if (nfs == NULL) {
|
||||
printf("failed to init context\n");
|
||||
exit(10);
|
||||
goto finished;
|
||||
}
|
||||
|
||||
ret = nfs_mount(nfs, client.server, client.export);
|
||||
if (ret != 0) {
|
||||
printf("Failed to mount nfs share : %s\n", nfs_get_error(nfs));
|
||||
exit(10);
|
||||
goto finished;
|
||||
}
|
||||
printf("mounted share successfully %s\n", nfs_get_error(nfs));
|
||||
|
||||
|
||||
ret = nfs_stat(nfs, NFSFILE, &st);
|
||||
ret = nfs_opendir(nfs, "/", &nfsdir);
|
||||
if (ret != 0) {
|
||||
printf("Failed to stat(%s) %s\n", NFSFILE, nfs_get_error(nfs));
|
||||
exit(10);
|
||||
}
|
||||
printf("Mode %04o\n", st.st_mode);
|
||||
printf("Size %d\n", (int)st.st_size);
|
||||
printf("Inode %04o\n", (int)st.st_ino);
|
||||
|
||||
ret = nfs_open(nfs, NFSFILE, O_RDONLY, &nfsfh);
|
||||
if (ret != 0) {
|
||||
printf("Failed to open(%s) %s\n", NFSFILE, nfs_get_error(nfs));
|
||||
exit(10);
|
||||
}
|
||||
|
||||
#if 0
|
||||
ret = nfs_read(nfs, nfsfh, 16, buf);
|
||||
if (ret < 0) {
|
||||
printf("Failed to pread(%s) %s\n", NFSFILE, nfs_get_error(nfs));
|
||||
exit(10);
|
||||
}
|
||||
printf("read %d bytes\n", ret);
|
||||
for (i=0;i<16;i++) {
|
||||
printf("%02x ", buf[i]&0xff);
|
||||
}
|
||||
printf("\n");
|
||||
#endif
|
||||
ret = nfs_read(nfs, nfsfh, sizeof(buf), buf);
|
||||
if (ret < 0) {
|
||||
printf("Failed to pread(%s) %s\n", NFSFILE, nfs_get_error(nfs));
|
||||
exit(10);
|
||||
}
|
||||
printf("read %d bytes\n", ret);
|
||||
for (i=0;i<16;i++) {
|
||||
printf("%02x ", buf[i]&0xff);
|
||||
}
|
||||
printf("\n");
|
||||
ret = nfs_read(nfs, nfsfh, sizeof(buf), buf);
|
||||
if (ret < 0) {
|
||||
printf("Failed to pread(%s) %s\n", NFSFILE, nfs_get_error(nfs));
|
||||
exit(10);
|
||||
}
|
||||
printf("read %d bytes\n", ret);
|
||||
ret = nfs_read(nfs, nfsfh, sizeof(buf), buf);
|
||||
if (ret < 0) {
|
||||
printf("Failed to pread(%s) %s\n", NFSFILE, nfs_get_error(nfs));
|
||||
exit(10);
|
||||
}
|
||||
printf("read %d bytes\n", ret);
|
||||
ret = nfs_read(nfs, nfsfh, sizeof(buf), buf);
|
||||
if (ret < 0) {
|
||||
printf("Failed to pread(%s) %s\n", NFSFILE, nfs_get_error(nfs));
|
||||
exit(10);
|
||||
}
|
||||
printf("read %d bytes\n", ret);
|
||||
ret = nfs_read(nfs, nfsfh, sizeof(buf), buf);
|
||||
if (ret < 0) {
|
||||
printf("Failed to pread(%s) %s\n", NFSFILE, nfs_get_error(nfs));
|
||||
exit(10);
|
||||
}
|
||||
printf("read %d bytes\n", ret);
|
||||
ret = nfs_read(nfs, nfsfh, sizeof(buf), buf);
|
||||
if (ret < 0) {
|
||||
printf("Failed to pread(%s) %s\n", NFSFILE, nfs_get_error(nfs));
|
||||
exit(10);
|
||||
}
|
||||
printf("read %d bytes\n", ret);
|
||||
|
||||
ret = (int)nfs_lseek(nfs, nfsfh, 0, SEEK_CUR, &offset);
|
||||
if (ret < 0) {
|
||||
printf("Failed to lseek(%s) %s\n", NFSFILE, nfs_get_error(nfs));
|
||||
exit(10);
|
||||
}
|
||||
printf("File position is %d\n", (int)offset);
|
||||
|
||||
printf("seek to end of file\n");
|
||||
ret = (int)nfs_lseek(nfs, nfsfh, 0, SEEK_END, &offset);
|
||||
if (ret < 0) {
|
||||
printf("Failed to lseek(%s) %s\n", NFSFILE, nfs_get_error(nfs));
|
||||
exit(10);
|
||||
}
|
||||
printf("File position is %d\n", (int)offset);
|
||||
|
||||
ret = nfs_fstat(nfs, nfsfh, &st);
|
||||
if (ret != 0) {
|
||||
printf("Failed to stat(%s) %s\n", NFSFILE, nfs_get_error(nfs));
|
||||
exit(10);
|
||||
}
|
||||
printf("Mode %04o\n", st.st_mode);
|
||||
printf("Size %d\n", (int)st.st_size);
|
||||
printf("Inode %04o\n", (int)st.st_ino);
|
||||
|
||||
|
||||
ret = nfs_close(nfs, nfsfh);
|
||||
if (ret < 0) {
|
||||
printf("Failed to close(%s): %s\n", NFSFILE, nfs_get_error(nfs));
|
||||
exit(10);
|
||||
}
|
||||
|
||||
ret = nfs_opendir(nfs, NFSDIR, &nfsdir);
|
||||
if (ret != 0) {
|
||||
printf("Failed to open(%s) %s\n", NFSFILE, nfs_get_error(nfs));
|
||||
printf("Failed to opendir(\"/\")\n", nfs_get_error(nfs));
|
||||
exit(10);
|
||||
}
|
||||
while((nfsdirent = nfs_readdir(nfs, nfsdir)) != NULL) {
|
||||
char filename[1024];
|
||||
printf("Inode:%d Name:%s ", (int)nfsdirent->inode, nfsdirent->name);
|
||||
sprintf(filename, "%s/%s", NFSDIR, nfsdirent->name);
|
||||
ret = nfs_open(nfs, filename, O_RDONLY, &nfsfh);
|
||||
char path[1024];
|
||||
|
||||
if (!strcmp(nfsdirent->name, ".") || !strcmp(nfsdirent->name, "..")) {
|
||||
continue;
|
||||
}
|
||||
|
||||
snprintf(path, 1024, "%s/%s", "/", nfsdirent->name);
|
||||
ret = nfs_stat(nfs, path, &st);
|
||||
if (ret != 0) {
|
||||
printf("Failed to open(%s) %s\n", filename, nfs_get_error(nfs));
|
||||
exit(10);
|
||||
fprintf(stderr, "Failed to stat(%s) %s\n", path, nfs_get_error(nfs));
|
||||
continue;
|
||||
}
|
||||
ret = nfs_read(nfs, nfsfh, sizeof(buf), buf);
|
||||
if (ret < 0) {
|
||||
printf("Error reading file\n");
|
||||
}
|
||||
printf("Read %d bytes\n", ret);
|
||||
ret = nfs_close(nfs, nfsfh);
|
||||
if (ret < 0) {
|
||||
printf("Failed to close(%s): %s\n", NFSFILE, nfs_get_error(nfs));
|
||||
exit(10);
|
||||
|
||||
switch (st.st_mode & S_IFMT) {
|
||||
case S_IFLNK:
|
||||
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", st.st_nlink);
|
||||
printf(" %5d", st.st_uid);
|
||||
printf(" %5d", st.st_gid);
|
||||
printf(" %12" PRId64, st.st_size);
|
||||
|
||||
printf(" %s\n", nfsdirent->name);
|
||||
}
|
||||
nfs_closedir(nfs, nfsdir);
|
||||
|
||||
|
||||
ret = nfs_open(nfs, NFSFILEW, O_WRONLY, &nfsfh);
|
||||
if (ret != 0) {
|
||||
printf("Failed to open(%s) %s\n", NFSFILEW, nfs_get_error(nfs));
|
||||
exit(10);
|
||||
finished:
|
||||
free(server);
|
||||
free(path);
|
||||
if (nfs != NULL) {
|
||||
nfs_destroy_context(nfs);
|
||||
}
|
||||
ret = nfs_pwrite(nfs, nfsfh, 0, 16, buf);
|
||||
if (ret < 0) {
|
||||
printf("Failed to pwrite(%s) %s\n", NFSFILEW, nfs_get_error(nfs));
|
||||
exit(10);
|
||||
}
|
||||
ret = nfs_fsync(nfs, nfsfh);
|
||||
if (ret < 0) {
|
||||
printf("Failed to fsync(%s) %s\n", NFSFILEW, nfs_get_error(nfs));
|
||||
exit(10);
|
||||
}
|
||||
ret = nfs_close(nfs, nfsfh);
|
||||
if (ret < 0) {
|
||||
printf("Failed to close(%s) %s\n", NFSFILEW, nfs_get_error(nfs));
|
||||
exit(10);
|
||||
}
|
||||
|
||||
|
||||
ret = nfs_statvfs(nfs, NFSDIR, &svfs);
|
||||
if (ret < 0) {
|
||||
printf("Failed to statvfs(%s) %s\n", NFSDIR, nfs_get_error(nfs));
|
||||
exit(10);
|
||||
}
|
||||
printf("files %d/%d/%d\n", (int)svfs.f_files, (int)svfs.f_ffree, (int)svfs.f_favail);
|
||||
|
||||
|
||||
ret = nfs_access(nfs, NFSFILE, R_OK);
|
||||
if (ret != 0) {
|
||||
printf("Failed to access(%s) %s\n", NFSFILE, nfs_get_error(nfs));
|
||||
}
|
||||
|
||||
/* become root */
|
||||
nfs_set_auth(nfs, authunix_create("Ronnies-Laptop", 0, 0, 0, NULL));
|
||||
|
||||
ret = nfs_link(nfs, NFSFILE, NFSFILER);
|
||||
if (ret != 0) {
|
||||
printf("Failed to link(%s) %s\n", NFSFILE, nfs_get_error(nfs));
|
||||
}
|
||||
|
||||
|
||||
nfs_destroy_context(nfs);
|
||||
printf("nfsclient finished\n");
|
||||
return 0;
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue