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Annotation of libaitsync/inc/aitsync.h, revision 1.1.1.1.2.2

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 $
1.1.1.1.2.2! misho       6: * $Id: aitsync.h,v 1.1.1.1.2.1 2010/03/24 16:31:27 misho Exp $
1.1       misho       7: *
                      8: *************************************************************************/
                      9: #ifndef __AITSYNC_H
                     10: #define __AITSYNC_H
                     11: 
                     12: 
                     13: #include <sys/types.h>
                     14: #include <openssl/md5.h>
                     15: 
                     16: 
                     17: #define CHUNK_MAX      2048
                     18: #define DLTSYNC_MAGIC  0xD34DC0D3
                     19: #define SIGSYNC_MAGIC  0xDEADBEEF
                     20: 
1.1.1.1.2.2! misho      21: #ifndef STRSIZ
        !            22: #define STRSIZ         256
        !            23: #endif
        !            24: 
1.1       misho      25: 
                     26: typedef struct tagSyncChunk {
                     27:        u_int sc_magic;
                     28:        u_long sc_id;
                     29:        off_t sc_off;
                     30:        size_t sc_len;
                     31:        u_int sc_roll;
                     32:        u_char sc_cksum[MD5_DIGEST_LENGTH];
                     33: } sync_chunk_t;
                     34: 
                     35: 
1.1.1.1.2.2! misho      36: struct tagDirName {
        !            37:        u_char  ch;
        !            38:        u_short tag;
        !            39:        u_int   hash;
        !            40:        char    name[MAXPATHLEN];
        !            41:        char    extra[STRSIZ];
        !            42: };
        !            43: 
        !            44: 
1.1       misho      45: // -------------------------------------------------------
                     46: // sync_GetErrno() Get error code of last operation
                     47: inline int sync_GetErrno();
                     48: // sync_GetError() Get error text of last operation
                     49: inline const char *sync_GetError();
                     50: // -------------------------------------------------------
                     51: 
                     52: /*
                     53:  * syncSignature() Calculate and create signature for diff
                     54:  * @csInput = Input patched file name for calculating check sums
                     55:  * @csSig = Output Signature file name
1.1.1.1.2.1  misho      56:  * @compress = 2 compress signatures output, 0 not compressed
1.1       misho      57:  * return: -1 error, 0 ok
                     58:  */
1.1.1.1.2.1  misho      59: int syncSignature(const char *csInput, const char *csSig, int compress);
1.1       misho      60: 
                     61: /*
                     62:  * syncDelta() Create Delta patch file
                     63:  * @csInput = Input original source file name for make delta patch file
                     64:  * @csSig = Input Signature file name
                     65:  * @csDelta = Output Delta patch file name
1.1.1.1.2.1  misho      66:  * @compress = 3 everything compress, 2 compressed signatures, 1 compress delta output, 0 not compressed
1.1       misho      67:  * return: -1 error, 0 ok, create delta patch, 1 ok, no differences and not create patch
                     68:  */
                     69: int syncDelta(const char *csInput, const char *csSig, const char *csDelta, int compress);
                     70: 
                     71: /*
                     72:  * syncPatch() Apply delta patch file to target
                     73:  * @csInput = Input target file name for patch
                     74:  * @csDelta = Input Delta patch file name
                     75:  * @csPatch = After applied patch create new alternate target file, if != NULL
1.1.1.1.2.1  misho      76:  * @compress = 1 compress delta input, 0 not compressed
1.1       misho      77:  * return: -1 error, 0 ok, create delta patch, 1 ok, no differences and not create patch
                     78:  */
                     79: int syncPatch(const char *csInput, const char *csDelta, const char *csPatch, int compress);
                     80: 
                     81: 
1.1.1.1.2.2! misho      82: /*
        !            83:  * sync_dircmp() Compare directories
        !            84:  * @csDir1 = Directory 1
        !            85:  * @csDir2 = Directory 2
        !            86:  * return: -1 error, 0 is equal or 1 different
        !            87:  */
        !            88: int sync_dircmp(const char *csDir1, const char *csDir2);
        !            89: /*
        !            90:  * sync_dirCSum() Calculate checksum of directory
        !            91:  * @csDir = Directory
        !            92:  * @md = Message digest allocated memory, must be free after use!
        !            93:  * return: -1 error or !=-1 ok
        !            94:  */
        !            95: int sync_dirCSum(const char *csDir, u_char **md);
        !            96: /*
        !            97:  * sync_dircmpList() Compare directories or directory and file list
        !            98:  * @csDir1 = Directory 1
        !            99:  * @csDir2 = Directory 2 or File list, if "-" get input from console
        !           100:  * @lm = Long mode options, 1 long output
        !           101:  * @list = Output diff list, after use must be free!
        !           102:  * return: -1 error, 0 is equal or >0 count of returned list items
        !           103:  */
        !           104: int sync_dircmpList(const char *csDir1, const char *csDir2, int lm, struct tagDirName **list);
        !           105: 
        !           106: 
1.1       misho     107: #endif