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/* $Id: session.c,v 1.5 2019/03/23 16:04:28 deraadt Exp $ */
/*
* Copyright (c) 2019 Kristaps Dzonsons <kristaps@bsd.lv>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/param.h>
#include <assert.h>
#include <stdint.h>
#include <stdlib.h>
#include <unistd.h>
#include "extern.h"
/*
* Accept how much we've read, written, and file-size, and print them in
* a human-readable fashion (with GB, MB, etc. prefixes).
* This only prints as the client.
*/
static void
stats_log(struct sess *sess,
uint64_t tread, uint64_t twrite, uint64_t tsize)
{
double tr, tw, ts;
const char *tru = "B", *twu = "B", *tsu = "B";
int trsz = 0, twsz = 0, tssz = 0;
assert(sess->opts->verbose);
if (sess->opts->server)
return;
if (tread >= 1024 * 1024 * 1024) {
tr = tread / (1024.0 * 1024.0 * 1024.0);
tru = "GB";
trsz = 3;
} else if (tread >= 1024 * 1024) {
tr = tread / (1024.0 * 1024.0);
tru = "MB";
trsz = 2;
} else if (tread >= 1024) {
tr = tread / 1024.0;
tru = "KB";
trsz = 1;
} else
tr = tread;
if (twrite >= 1024 * 1024 * 1024) {
tw = twrite / (1024.0 * 1024.0 * 1024.0);
twu = "GB";
twsz = 3;
} else if (twrite >= 1024 * 1024) {
tw = twrite / (1024.0 * 1024.0);
twu = "MB";
twsz = 2;
} else if (twrite >= 1024) {
tw = twrite / 1024.0;
twu = "KB";
twsz = 1;
} else
tw = twrite;
if (tsize >= 1024 * 1024 * 1024) {
ts = tsize / (1024.0 * 1024.0 * 1024.0);
tsu = "GB";
tssz = 3;
} else if (tsize >= 1024 * 1024) {
ts = tsize / (1024.0 * 1024.0);
tsu = "MB";
tssz = 2;
} else if (tsize >= 1024) {
ts = tsize / 1024.0;
tsu = "KB";
tssz = 1;
} else
ts = tsize;
LOG1(sess, "Transfer complete: "
"%.*lf %s sent, %.*lf %s read, %.*lf %s file size",
trsz, tr, tru,
twsz, tw, twu,
tssz, ts, tsu);
}
/*
* At the end of transmission, we write our statistics if we're the
* server, then log only if we're not the server.
* Either way, only do this if we're in verbose mode.
* Returns zero on failure, non-zero on success.
*/
int
sess_stats_send(struct sess *sess, int fd)
{
uint64_t tw, tr, ts;
if (sess->opts->verbose == 0)
return 1;
tw = sess->total_write;
tr = sess->total_read;
ts = sess->total_size;
if (sess->opts->server) {
if (!io_write_long(sess, fd, tr)) {
ERRX1(sess, "io_write_long");
return 0;
} else if (!io_write_long(sess, fd, tw)) {
ERRX1(sess, "io_write_long");
return 0;
} else if (!io_write_long(sess, fd, ts)) {
ERRX1(sess, "io_write_long");
return 0;
}
}
stats_log(sess, tr, tw, ts);
return 1;
}
/*
* At the end of the transmission, we have some statistics to read.
* Only do this (1) if we're in verbose mode and (2) if we're the
* server.
* Then log the findings.
* Return zero on failure, non-zero on success.
*/
int
sess_stats_recv(struct sess *sess, int fd)
{
uint64_t tr, tw, ts;
if (sess->opts->server || sess->opts->verbose == 0)
return 1;
if (!io_read_ulong(sess, fd, &tw)) {
ERRX1(sess, "io_read_ulong");
return 0;
} else if (!io_read_ulong(sess, fd, &tr)) {
ERRX1(sess, "io_read_ulong");
return 0;
} else if (!io_read_ulong(sess, fd, &ts)) {
ERRX1(sess, "io_read_ulong");
return 0;
}
stats_log(sess, tr, tw, ts);
return 1;
}
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