[deb_libnfs.git] / examples / nfsclient-sync.c

/* 
   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 sync interface
 */
#ifdef WIN32
#include "win32_compat.h"
#else
#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")
WSADATA wsaData;
#else
#include <sys/statvfs.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.h"
#include <rpc/rpc.h>            /* for authunix_create() */
#include "libnfs-raw.h"
#include "libnfs-raw-mount.h"

struct client {
       char *server;
       char *export;
       uint32_t mount_port;
       int is_finished;
};


char buf[3*1024*1024+337];

int main(int argc _U_, char *argv[] _U_)
{
	struct nfs_context *nfs;
	int i, ret;
	off_t offset;
	struct client client;
	struct stat st;
	struct nfsfh  *nfsfh;
	struct nfsdir *nfsdir;
	struct nfsdirent *nfsdirent;
	struct statvfs svfs;
	exports export, tmp;

#if defined(WIN32)
	if (WSAStartup(MAKEWORD(2,2), &wsaData) != 0) {
		printf("Failed to start Winsock2\n");
		exit(10);
	}
#endif

	client.server = SERVER;
	client.export = EXPORT;
	client.is_finished = 0;
	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);
	}

	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);
	}
	printf("mounted share successfully %s\n", nfs_get_error(nfs));


	ret = nfs_stat(nfs, NFSFILE, &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_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));
		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);
		if (ret != 0) {
			printf("Failed to open(%s) %s\n", filename, nfs_get_error(nfs));
			exit(10);
		}
		ret = nfs_read(nfs, nfsfh, sizeof(buf), buf);
		if (ret < 0) {
			printf("Error reading file\n");
			exit(10);
		}
		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);
		}
	}
	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);
	}
	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;
}
Commit	Line	Data
84004dbf RS	1	/*
	2	Copyright (C) by Ronnie Sahlberg <ronniesahlberg@gmail.com> 2010
	3
	4	This program is free software; you can redistribute it and/or modify
	5	it under the terms of the GNU General Public License as published by
	6	the Free Software Foundation; either version 3 of the License, or
	7	(at your option) any later version.
	8
	9	This program is distributed in the hope that it will be useful,
	10	but WITHOUT ANY WARRANTY; without even the implied warranty of
	11	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	12	GNU General Public License for more details.
	13
	14	You should have received a copy of the GNU General Public License
	15	along with this program; if not, see <http://www.gnu.org/licenses/>.
	16	*/
	17
	18	/* Example program using the highlevel sync interface
	19	*/
a8a1b858 M	20	#ifdef WIN32
	21	#include "win32_compat.h"
	22	#else
	23	#include <fcntl.h>
	24	#include <sys/stat.h>
	25	#include <sys/statvfs.h>
	26	#endif
	27
84004dbf RS	28	#define SERVER "10.1.1.27"
84004dbf RS	29	#define EXPORT "/VIRTUAL"
e4a5ba42	30	#define NFSFILE "/BOOKS/Classics/Dracula.djvu.truncated"
84004dbf RS	31	#define NFSFILER "/BOOKS/Classics/Dracula.djvu.renamed"
	32	#define NFSFILEW "/BOOKS/Classics/foo"
	33	#define NFSDIR "/BOOKS/Classics/"
	34
57187d21	35	#define _GNU_SOURCE
eecdc4f3 RS	36
eecdc4f3 RS	37	#if defined(WIN32)
eecdc4f3 RS	38	#pragma comment(lib, "ws2_32.lib")
	39	WSADATA wsaData;
	40	#else
	41	#include <sys/statvfs.h>
	42	#include <unistd.h>
	43	#endif
	44
84004dbf RS	45	#include <stdio.h>
	46	#include <stdlib.h>
	47	#include <stdint.h>
	48	#include <sys/types.h>
	49	#include <sys/stat.h>
84004dbf RS	50	#include <fcntl.h>
	51	#include "libnfs.h"
	52	#include <rpc/rpc.h> /* for authunix_create() */
df5af25f RS	53	#include "libnfs-raw.h"
df5af25f RS	54	#include "libnfs-raw-mount.h"
84004dbf RS	55
	56	struct client {
	57	char *server;
	58	char *export;
	59	uint32_t mount_port;
	60	int is_finished;
	61	};
	62
	63
57187d21	64	char buf[310241024+337];
cdb19ec1	65
7d0397cf	66	int main(int argc _U_, char *argv[] _U_)
84004dbf RS	67	{
	68	struct nfs_context *nfs;
	69	int i, ret;
eecdc4f3	70	off_t offset;
84004dbf RS	71	struct client client;
	72	struct stat st;
	73	struct nfsfh *nfsfh;
	74	struct nfsdir *nfsdir;
	75	struct nfsdirent *nfsdirent;
84004dbf	76	struct statvfs svfs;
df5af25f	77	exports export, tmp;
df5af25f	78
eecdc4f3 RS	79	#if defined(WIN32)
	80	if (WSAStartup(MAKEWORD(2,2), &wsaData) != 0) {
	81	printf("Failed to start Winsock2\n");
	82	exit(10);
	83	}
	84	#endif
	85
	86	client.server = SERVER;
	87	client.export = EXPORT;
	88	client.is_finished = 0;
e210bd2a	89	export = mount_getexports(SERVER);
739df145 RS	90	if (export != NULL) {
	91	printf("exports on server %s\n", SERVER);
	92	tmp = export;
	93	while (tmp != NULL) {
	94	printf("Export: %s\n", tmp->ex_dir);
	95	tmp = tmp->ex_next;
	96	}
df5af25f	97
739df145 RS	98	mount_free_export_list(export);
	99	} else {
	100	printf("no exports on server %s\n", SERVER);
	101	}
84004dbf RS	102
	103	nfs = nfs_init_context();
	104	if (nfs == NULL) {
	105	printf("failed to init context\n");
	106	exit(10);
	107	}
	108
e2ba5764	109	ret = nfs_mount(nfs, client.server, client.export);
84004dbf RS	110	if (ret != 0) {
	111	printf("Failed to mount nfs share : %s\n", nfs_get_error(nfs));
	112	exit(10);
	113	}
1e8994af	114	printf("mounted share successfully %s\n", nfs_get_error(nfs));
84004dbf RS	115
84004dbf RS	116
e2ba5764	117	ret = nfs_stat(nfs, NFSFILE, &st);
84004dbf RS	118	if (ret != 0) {
	119	printf("Failed to stat(%s) %s\n", NFSFILE, nfs_get_error(nfs));
	120	exit(10);
	121	}
	122	printf("Mode %04o\n", st.st_mode);
	123	printf("Size %d\n", (int)st.st_size);
	124	printf("Inode %04o\n", (int)st.st_ino);
	125
e2ba5764	126	ret = nfs_open(nfs, NFSFILE, O_RDONLY, &nfsfh);
84004dbf RS	127	if (ret != 0) {
	128	printf("Failed to open(%s) %s\n", NFSFILE, nfs_get_error(nfs));
	129	exit(10);
	130	}
	131
cdb19ec1	132	#if 0
e2ba5764	133	ret = nfs_read(nfs, nfsfh, 16, buf);
84004dbf RS	134	if (ret < 0) {
	135	printf("Failed to pread(%s) %s\n", NFSFILE, nfs_get_error(nfs));
	136	exit(10);
	137	}
	138	printf("read %d bytes\n", ret);
	139	for (i=0;i<16;i++) {
	140	printf("%02x ", buf[i]&0xff);
	141	}
	142	printf("\n");
cdb19ec1 RS	143	#endif
cdb19ec1 RS	144	ret = nfs_read(nfs, nfsfh, sizeof(buf), buf);
84004dbf RS	145	if (ret < 0) {
	146	printf("Failed to pread(%s) %s\n", NFSFILE, nfs_get_error(nfs));
	147	exit(10);
	148	}
	149	printf("read %d bytes\n", ret);
	150	for (i=0;i<16;i++) {
	151	printf("%02x ", buf[i]&0xff);
	152	}
	153	printf("\n");
57187d21 RS	154	ret = nfs_read(nfs, nfsfh, sizeof(buf), buf);
	155	if (ret < 0) {
	156	printf("Failed to pread(%s) %s\n", NFSFILE, nfs_get_error(nfs));
	157	exit(10);
	158	}
	159	printf("read %d bytes\n", ret);
	160	ret = nfs_read(nfs, nfsfh, sizeof(buf), buf);
	161	if (ret < 0) {
	162	printf("Failed to pread(%s) %s\n", NFSFILE, nfs_get_error(nfs));
	163	exit(10);
	164	}
	165	printf("read %d bytes\n", ret);
	166	ret = nfs_read(nfs, nfsfh, sizeof(buf), buf);
	167	if (ret < 0) {
	168	printf("Failed to pread(%s) %s\n", NFSFILE, nfs_get_error(nfs));
	169	exit(10);
	170	}
	171	printf("read %d bytes\n", ret);
	172	ret = nfs_read(nfs, nfsfh, sizeof(buf), buf);
	173	if (ret < 0) {
	174	printf("Failed to pread(%s) %s\n", NFSFILE, nfs_get_error(nfs));
	175	exit(10);
	176	}
	177	printf("read %d bytes\n", ret);
	178	ret = nfs_read(nfs, nfsfh, sizeof(buf), buf);
	179	if (ret < 0) {
	180	printf("Failed to pread(%s) %s\n", NFSFILE, nfs_get_error(nfs));
	181	exit(10);
	182	}
	183	printf("read %d bytes\n", ret);
84004dbf	184
e2ba5764	185	ret = (int)nfs_lseek(nfs, nfsfh, 0, SEEK_CUR, &offset);
84004dbf RS	186	if (ret < 0) {
	187	printf("Failed to lseek(%s) %s\n", NFSFILE, nfs_get_error(nfs));
	188	exit(10);
	189	}
	190	printf("File position is %d\n", (int)offset);
	191
	192	printf("seek to end of file\n");
e2ba5764	193	ret = (int)nfs_lseek(nfs, nfsfh, 0, SEEK_END, &offset);
84004dbf RS	194	if (ret < 0) {
	195	printf("Failed to lseek(%s) %s\n", NFSFILE, nfs_get_error(nfs));
	196	exit(10);
	197	}
	198	printf("File position is %d\n", (int)offset);
	199
e2ba5764	200	ret = nfs_fstat(nfs, nfsfh, &st);
84004dbf RS	201	if (ret != 0) {
	202	printf("Failed to stat(%s) %s\n", NFSFILE, nfs_get_error(nfs));
	203	exit(10);
	204	}
	205	printf("Mode %04o\n", st.st_mode);
	206	printf("Size %d\n", (int)st.st_size);
	207	printf("Inode %04o\n", (int)st.st_ino);
	208
	209
e2ba5764	210	ret = nfs_close(nfs, nfsfh);
84004dbf	211	if (ret < 0) {
7d0397cf	212	printf("Failed to close(%s): %s\n", NFSFILE, nfs_get_error(nfs));
84004dbf RS	213	exit(10);
	214	}
	215
e2ba5764	216	ret = nfs_opendir(nfs, NFSDIR, &nfsdir);
84004dbf RS	217	if (ret != 0) {
	218	printf("Failed to open(%s) %s\n", NFSFILE, nfs_get_error(nfs));
	219	exit(10);
	220	}
	221	while((nfsdirent = nfs_readdir(nfs, nfsdir)) != NULL) {
eecdc4f3	222	char filename[1024];
57187d21	223	printf("Inode:%d Name:%s ", (int)nfsdirent->inode, nfsdirent->name);
eecdc4f3	224	sprintf(&filename, "%s/%s", NFSDIR, nfsdirent->name);
57187d21	225	ret = nfs_open(nfs, filename, O_RDONLY, &nfsfh);
57187d21 RS	226	if (ret != 0) {
	227	printf("Failed to open(%s) %s\n", filename, nfs_get_error(nfs));
	228	exit(10);
	229	}
	230	ret = nfs_read(nfs, nfsfh, sizeof(buf), buf);
	231	if (ret < 0) {
	232	printf("Error reading file\n");
	233	exit(10);
	234	}
	235	printf("Read %d bytes\n", ret);
	236	ret = nfs_close(nfs, nfsfh);
	237	if (ret < 0) {
	238	printf("Failed to close(%s): %s\n", NFSFILE, nfs_get_error(nfs));
	239	exit(10);
	240	}
84004dbf RS	241	}
	242	nfs_closedir(nfs, nfsdir);
	243
	244
e2ba5764	245	ret = nfs_open(nfs, NFSFILEW, O_WRONLY, &nfsfh);
84004dbf RS	246	if (ret != 0) {
	247	printf("Failed to open(%s) %s\n", NFSFILEW, nfs_get_error(nfs));
	248	exit(10);
	249	}
e2ba5764	250	ret = nfs_pwrite(nfs, nfsfh, 0, 16, buf);
84004dbf RS	251	if (ret < 0) {
	252	printf("Failed to pwrite(%s) %s\n", NFSFILEW, nfs_get_error(nfs));
	253	exit(10);
	254	}
e2ba5764	255	ret = nfs_fsync(nfs, nfsfh);
84004dbf RS	256	if (ret < 0) {
	257	printf("Failed to fsync(%s) %s\n", NFSFILEW, nfs_get_error(nfs));
	258	exit(10);
	259	}
e2ba5764	260	ret = nfs_close(nfs, nfsfh);
84004dbf	261	if (ret < 0) {
7d0397cf	262	printf("Failed to close(%s) %s\n", NFSFILEW, nfs_get_error(nfs));
84004dbf RS	263	exit(10);
	264	}
	265
	266
e2ba5764	267	ret = nfs_statvfs(nfs, NFSDIR, &svfs);
84004dbf	268	if (ret < 0) {
7d0397cf	269	printf("Failed to statvfs(%s) %s\n", NFSDIR, nfs_get_error(nfs));
84004dbf RS	270	exit(10);
	271	}
	272	printf("files %d/%d/%d\n", (int)svfs.f_files, (int)svfs.f_ffree, (int)svfs.f_favail);
	273
	274
e2ba5764	275	ret = nfs_access(nfs, NFSFILE, R_OK);
84004dbf RS	276	if (ret != 0) {
	277	printf("Failed to access(%s) %s\n", NFSFILE, nfs_get_error(nfs));
	278	}
	279
	280	/* become root */
	281	nfs_set_auth(nfs, authunix_create("Ronnies-Laptop", 0, 0, 0, NULL));
	282
e2ba5764	283	ret = nfs_link(nfs, NFSFILE, NFSFILER);
84004dbf RS	284	if (ret != 0) {
	285	printf("Failed to link(%s) %s\n", NFSFILE, nfs_get_error(nfs));
	286	}
	287
	288
	289	nfs_destroy_context(nfs);
	290	printf("nfsclient finished\n");
	291	return 0;
	292	}
df5af25f	293