Annotation of libaitsync/inc/aitsync.h, revision 1.2
1.1 misho 1: /*************************************************************************
2: * (C) 2010 AITNET ltd - Sofia/Bulgaria - <misho@aitbg.com>
3: * by Michael Pounov <misho@openbsd-bg.org>
4: *
5: * $Author: misho $
1.2 ! misho 6: * $Id: aitsync.h,v 1.1.1.1.2.3 2011/05/09 14:35:55 misho Exp $
1.1 misho 7: *
1.2 ! misho 8: **************************************************************************
! 9: The ELWIX and AITNET software is distributed under the following
! 10: terms:
! 11:
! 12: All of the documentation and software included in the ELWIX and AITNET
! 13: Releases is copyrighted by ELWIX - Sofia/Bulgaria <info@elwix.org>
! 14:
! 15: Copyright 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
! 16: by Michael Pounov <misho@elwix.org>. All rights reserved.
! 17:
! 18: Redistribution and use in source and binary forms, with or without
! 19: modification, are permitted provided that the following conditions
! 20: are met:
! 21: 1. Redistributions of source code must retain the above copyright
! 22: notice, this list of conditions and the following disclaimer.
! 23: 2. Redistributions in binary form must reproduce the above copyright
! 24: notice, this list of conditions and the following disclaimer in the
! 25: documentation and/or other materials provided with the distribution.
! 26: 3. All advertising materials mentioning features or use of this software
! 27: must display the following acknowledgement:
! 28: This product includes software developed by Michael Pounov <misho@elwix.org>
! 29: ELWIX - Embedded LightWeight unIX and its contributors.
! 30: 4. Neither the name of AITNET nor the names of its contributors
! 31: may be used to endorse or promote products derived from this software
! 32: without specific prior written permission.
! 33:
! 34: THIS SOFTWARE IS PROVIDED BY AITNET AND CONTRIBUTORS ``AS IS'' AND
! 35: ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
! 36: IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
! 37: ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
! 38: FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
! 39: DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
! 40: OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
! 41: HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
! 42: LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
! 43: OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
! 44: SUCH DAMAGE.
! 45: */
1.1 misho 46: #ifndef __AITSYNC_H
47: #define __AITSYNC_H
48:
49:
50: #include <sys/types.h>
51: #include <openssl/md5.h>
52:
53:
54: #define CHUNK_MAX 2048
55: #define DLTSYNC_MAGIC 0xD34DC0D3
56: #define SIGSYNC_MAGIC 0xDEADBEEF
57:
1.2 ! misho 58: #ifndef STRSIZ
! 59: #define STRSIZ 256
! 60: #endif
! 61:
1.1 misho 62:
63: typedef struct tagSyncChunk {
64: u_int sc_magic;
65: u_long sc_id;
66: off_t sc_off;
67: size_t sc_len;
68: u_int sc_roll;
69: u_char sc_cksum[MD5_DIGEST_LENGTH];
70: } sync_chunk_t;
71:
72:
1.2 ! misho 73: struct tagDirName {
! 74: u_char ch;
! 75: u_short tag;
! 76: u_int hash;
! 77: char name[MAXPATHLEN];
! 78: char extra[STRSIZ];
! 79: };
! 80:
! 81:
1.1 misho 82: // -------------------------------------------------------
83: // sync_GetErrno() Get error code of last operation
84: inline int sync_GetErrno();
85: // sync_GetError() Get error text of last operation
86: inline const char *sync_GetError();
87: // -------------------------------------------------------
88:
89: /*
90: * syncSignature() Calculate and create signature for diff
91: * @csInput = Input patched file name for calculating check sums
92: * @csSig = Output Signature file name
1.2 ! misho 93: * @compress = 2 compress signatures output, 0 not compressed
1.1 misho 94: * return: -1 error, 0 ok
95: */
1.2 ! misho 96: int syncSignature(const char *csInput, const char *csSig, int compress);
1.1 misho 97:
98: /*
99: * syncDelta() Create Delta patch file
100: * @csInput = Input original source file name for make delta patch file
101: * @csSig = Input Signature file name
102: * @csDelta = Output Delta patch file name
1.2 ! misho 103: * @compress = 3 everything compress, 2 compressed signatures, 1 compress delta output, 0 not compressed
1.1 misho 104: * return: -1 error, 0 ok, create delta patch, 1 ok, no differences and not create patch
105: */
106: int syncDelta(const char *csInput, const char *csSig, const char *csDelta, int compress);
107:
108: /*
109: * syncPatch() Apply delta patch file to target
110: * @csInput = Input target file name for patch
111: * @csDelta = Input Delta patch file name
112: * @csPatch = After applied patch create new alternate target file, if != NULL
1.2 ! misho 113: * @compress = 1 compress delta input, 0 not compressed
1.1 misho 114: * return: -1 error, 0 ok, create delta patch, 1 ok, no differences and not create patch
115: */
116: int syncPatch(const char *csInput, const char *csDelta, const char *csPatch, int compress);
117:
118:
1.2 ! misho 119: /*
! 120: * sync_dircmp() Compare directories
! 121: * @csDir1 = Directory 1
! 122: * @csDir2 = Directory 2
! 123: * return: -1 error, 0 is equal or 1 different
! 124: */
! 125: int sync_dircmp(const char *csDir1, const char *csDir2);
! 126: /*
! 127: * sync_dirCSum() Calculate checksum of directory
! 128: * @csDir = Directory
! 129: * @md = Message digest allocated memory, must be free after use!
! 130: * return: -1 error or !=-1 ok
! 131: */
! 132: int sync_dirCSum(const char *csDir, u_char **md);
! 133: /*
! 134: * sync_dircmpList() Compare directories or directory and file list
! 135: * @csDir1 = Directory 1
! 136: * @csDir2 = Directory 2 or File list, if "-" get input from console
! 137: * @lm = Long mode options, 1 long output
! 138: * @list = Output diff list, after use must be free!
! 139: * return: -1 error, 0 is equal or >0 count of returned list items
! 140: */
! 141: int sync_dircmpList(const char *csDir1, const char *csDir2, int lm, struct tagDirName **list);
! 142:
! 143:
1.1 misho 144: #endif
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