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path: root/rsync/stats.c
authorkergoth <kergoth>2002-01-25 22:14:26 (UTC)
committer kergoth <kergoth>2002-01-25 22:14:26 (UTC)
commit15318cad33835e4e2dc620d033e43cd930676cdd (patch) (side-by-side diff)
treec2fa0399a2c47fda8e2cd0092c73a809d17f68eb /rsync/stats.c
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Initial revision
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+/*= -*- c-basic-offset: 4; indent-tabs-mode: nil; -*-
+ *
+ * $Id$
+ *
+ * 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_rsync.h>
+
+#include <assert.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <sys/file.h>
+#include <string.h>
+
+#include "rsync.h"
+#include "trace.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.
+ */
+
+int
+rs_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, %.0f bytes, %.0f cmdbytes] ",
+ stats->lit_cmds,
+ (double) stats->lit_bytes,
+ (double) stats->lit_cmdbytes);
+ }
+
+ if (stats->sig_cmds) {
+ len += snprintf(buf+len, size-len,
+ "in-place-signature[%.0f cmds, %.0f bytes] ",
+ (double) stats->sig_cmds,
+ (double) stats->sig_bytes);
+ }
+
+ if (stats->copy_cmds || stats->false_matches) {
+ len += snprintf(buf+len, size-len,
+ "copy[%.0f cmds, %.0f bytes, %.0f false, %.0f cmdbytes]",
+ (double) stats->copy_cmds,
+ (double) stats->copy_bytes,
+ (double) stats->false_matches,
+ (double) stats->copy_cmdbytes);
+ }
+
+
+ if (stats->sig_blocks) {
+ len += snprintf(buf+len, size-len,
+ "signature[%.0f blocks, %.0f bytes per block]",
+ (double) stats->sig_blocks,
+ (double) stats->block_len);
+ }
+
+ return buf;
+}