From 72cfae72642fe3b636256ba68bc9e95982e9d13d Mon Sep 17 00:00:00 2001 From: Kurt Zeilenga Date: Tue, 18 Nov 2003 22:10:12 +0000 Subject: [PATCH] Update csn format. Format now more inconsistent from the inconsistent LDUP specifications. Once LDUP agrees on the format (let's hope they choose GSER), this will need to be updated. --- libraries/liblutil/csn.c | 19 +++++++++++-------- 1 file changed, 11 insertions(+), 8 deletions(-) diff --git a/libraries/liblutil/csn.c b/libraries/liblutil/csn.c index 6f49a8cf13..0c95ccfef8 100644 --- a/libraries/liblutil/csn.c +++ b/libraries/liblutil/csn.c @@ -13,16 +13,18 @@ /* * This file contains routines to generate a change sequence number. Every - * add delete, and modification is given a unique identifier for use in + * add, delete, and modification is given a unique identifier for use in * resolving conflicts during replication operations. * - * These routines are based upon draft-ietf-ldup-model-03.txt, and will - * need to be revisited once standardized. + * These routines are (loosly) based upon draft-ietf-ldup-model-03.txt, + * A WORK IN PROGRESS. The format will likely change. * - * The format of a CSN string is: yyyymmddhh:mm:ssz#0xSSSS#d#0xssss - * where SSSS is a counter of operations within a timeslice, d is an - * offset into a list of replica records, and ssss is a counter of - * modifications within this operation. + * The format of a CSN string is: yyyymmddhhmmssz#s#r#c + * where s is a counter of operations within a timeslice, r is + * the replica id (normally zero), and c is a counter of + * modifications within this operation. s, r, and c are + * represented in hex and zero padded to lengths of 6, 2, and + * 6, respectively. * * Calls to this routine MUST be serialized with other calls * to gmtime(). @@ -53,7 +55,8 @@ lutil_csnstr(char *buf, size_t len, unsigned int replica, unsigned int mod) op = ++csnop; ltm = gmtime( &t ); - n = snprintf( buf, len, "%4d%02d%02d%02d:%02d:%02dZ#0x%04x#%d#%04x", + n = snprintf( buf, len, + "%4d%02d%02d%02d%02d%02dZ#%06x#%02x#%06x", ltm->tm_year + 1900, ltm->tm_mon + 1, ltm->tm_mday, ltm->tm_hour, ltm->tm_min, ltm->tm_sec, op, replica, mod ); -- 2.39.5