/*= -*- c-basic-offset: 4; indent-tabs-mode: nil; -*- * * $Id: stats.c,v 1.34 2004/09/10 02:48:58 mbp Exp $ *  * Copyright (C) 2000, 2001 by Martin Pool <mbp@samba.org> *  * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details. *  * You should have received a copy of the GNU Lesser General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */#include <config.h>#include <assert.h>#include <stdlib.h>#include <stdio.h>#ifdef HAVE_UNISTD_H#include <unistd.h>#endif#ifdef HAVE_SYS_FILE_H#include <sys/file.h>#endif#include <string.h>#include "librsync.h"#include "trace.h"#include "snprintf.h"/* * TODO: Other things to show in statistics: * * Number of input and output bytes. * * Number of times we blocked waiting for input or output. * * Number of blocks. */intrs_log_stats(rs_stats_t const *stats){    char buf[1000];    rs_format_stats(stats, buf, sizeof buf - 1);    rs_log(RS_LOG_INFO|RS_LOG_NONAME, "%s", buf);    return 0;}/** * \brief Return a human-readable representation of statistics. * * The string is truncated if it does not fit.  100 characters should * be sufficient space. * * \param stats Statistics from an encoding or decoding operation. * * \param buf Buffer to receive result. * \param size Size of buffer. * \return buf */char *rs_format_stats(rs_stats_t const * stats,		char *buf, size_t size){    char const *op = stats->op;    int len;    if (!op)        op = "noop";        len = snprintf(buf, size, "%s statistics: ", op);    if (stats->lit_cmds) {        len += snprintf(buf+len, size-len,                        "literal[%d cmds, " PRINTF_FORMAT_U64 " bytes, " PRINTF_FORMAT_U64 " cmdbytes] ",                        stats->lit_cmds,                        PRINTF_CAST_U64(stats->lit_bytes),                        PRINTF_CAST_U64(stats->lit_cmdbytes));    }    if (stats->sig_cmds) {        len += snprintf(buf+len, size-len,                        "in-place-signature[" PRINTF_FORMAT_U64 " cmds, " PRINTF_FORMAT_U64 " bytes] ",                        PRINTF_CAST_U64(stats->sig_cmds),                        PRINTF_CAST_U64(stats->sig_bytes));    }    if (stats->copy_cmds || stats->false_matches) {        len += snprintf(buf+len, size-len,                         "copy[" PRINTF_FORMAT_U64 " cmds, " PRINTF_FORMAT_U64 " bytes, " PRINTF_FORMAT_U64 " false, " PRINTF_FORMAT_U64 " cmdbytes]",                        PRINTF_CAST_U64(stats->copy_cmds),                        PRINTF_CAST_U64(stats->copy_bytes),                        PRINTF_CAST_U64(stats->false_matches),                        PRINTF_CAST_U64(stats->copy_cmdbytes));    }            if (stats->sig_blocks) {        len  += snprintf(buf+len, size-len,                         "signature[" PRINTF_FORMAT_U64 " blocks, " PRINTF_FORMAT_U64 " bytes per block]",                         PRINTF_CAST_U64(stats->sig_blocks),                         PRINTF_CAST_U64(stats->block_len));    }        return buf;}