437 lines
9.7 KiB
C
437 lines
9.7 KiB
C
/*
|
|
** Copyright (C) 1991, 1997 Free Software Foundation, Inc.
|
|
**
|
|
** This file is part of TACK.
|
|
**
|
|
** TACK is free software; you can redistribute it and/or modify
|
|
** it under the terms of the GNU General Public License as published by
|
|
** the Free Software Foundation; either version 2, or (at your option)
|
|
** any later version.
|
|
**
|
|
** TACK 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 General Public License for more details.
|
|
**
|
|
** You should have received a copy of the GNU General Public License
|
|
** along with TACK; see the file COPYING. If not, write to
|
|
** the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
** Boston, MA 02111-1307, USA.
|
|
*/
|
|
|
|
#include <tack.h>
|
|
#include <time.h>
|
|
|
|
MODULE_ID("$Id: sync.c,v 1.3 2001/06/16 17:55:48 tom Exp $")
|
|
|
|
/* terminal-synchronization and performance tests */
|
|
|
|
static void sync_home(struct test_list *, int *, int *);
|
|
static void sync_lines(struct test_list *, int *, int *);
|
|
static void sync_clear(struct test_list *, int *, int *);
|
|
static void sync_summary(struct test_list *, int *, int *);
|
|
|
|
struct test_list sync_test_list[] = {
|
|
{MENU_NEXT, 0, 0, 0, "b) baud rate test", sync_home, 0},
|
|
{MENU_NEXT, 0, 0, 0, "l) scroll performance", sync_lines, 0},
|
|
{MENU_NEXT, 0, 0, 0, "c) clear screen performance", sync_clear, 0},
|
|
{MENU_NEXT, 0, 0, 0, "p) summary of results", sync_summary, 0},
|
|
{0, 0, 0, 0, txt_longer_test_time, longer_test_time, 0},
|
|
{0, 0, 0, 0, txt_shorter_test_time, shorter_test_time, 0},
|
|
{MENU_LAST, 0, 0, 0, 0, 0, 0}
|
|
};
|
|
|
|
struct test_menu sync_menu = {
|
|
0, 'n', 0,
|
|
"Performance tests", "perf", "n) run standard tests",
|
|
sync_test, sync_test_list, 0, 0, 0
|
|
};
|
|
|
|
int tty_can_sync; /* TRUE if tty_sync_error() returned FALSE */
|
|
int tty_newline_rate; /* The number of newlines per second */
|
|
int tty_clear_rate; /* The number of clear-screens per second */
|
|
int tty_cps; /* The number of characters per second */
|
|
|
|
#define TTY_ACK_SIZE 64
|
|
|
|
int ACK_terminator; /* terminating ACK character */
|
|
int ACK_length; /* length of ACK string */
|
|
const char *tty_ENQ; /* enquire string */
|
|
char tty_ACK[TTY_ACK_SIZE]; /* ACK response, set by tty_sync_error() */
|
|
|
|
/*****************************************************************************
|
|
*
|
|
* Terminal synchronization.
|
|
*
|
|
* These functions handle the messy business of enq-ack handshaking
|
|
* for timing purposes.
|
|
*
|
|
*****************************************************************************/
|
|
|
|
int
|
|
tty_sync_error(void)
|
|
{
|
|
int ch, trouble, ack;
|
|
|
|
trouble = FALSE;
|
|
for (;;) {
|
|
tt_putp(tty_ENQ); /* send ENQ */
|
|
ch = getnext(STRIP_PARITY);
|
|
event_start(TIME_SYNC); /* start the timer */
|
|
|
|
/*
|
|
The timer doesn't start until we get the first character.
|
|
After that I expect to get the remaining characters of
|
|
the acknowledge string in a short period of time. If
|
|
that is not true then these characters are coming from
|
|
the user and we need to send the ENQ sequence out again.
|
|
*/
|
|
for (ack = 0; ; ) {
|
|
if (ack < TTY_ACK_SIZE - 2) {
|
|
tty_ACK[ack] = ch;
|
|
tty_ACK[ack + 1] = '\0';
|
|
}
|
|
if (ch == ACK_terminator) {
|
|
return trouble;
|
|
}
|
|
if (++ack >= ACK_length) {
|
|
return trouble;
|
|
}
|
|
ch = getnext(STRIP_PARITY);
|
|
if (event_time(TIME_SYNC) > 400000) {
|
|
break;
|
|
}
|
|
}
|
|
|
|
set_attr(0); /* just in case */
|
|
put_crlf();
|
|
if (trouble) {
|
|
/* The terminal won't sync. Life is not good. */
|
|
return TRUE;
|
|
}
|
|
put_str(" -- sync -- ");
|
|
trouble = TRUE;
|
|
}
|
|
}
|
|
|
|
/*
|
|
** flush_input()
|
|
**
|
|
** Throw away any output.
|
|
*/
|
|
void
|
|
flush_input(void)
|
|
{
|
|
if (tty_can_sync == SYNC_TESTED && ACK_terminator >= 0) {
|
|
(void) tty_sync_error();
|
|
} else {
|
|
spin_flush();
|
|
}
|
|
}
|
|
|
|
/*
|
|
** probe_enq_ok()
|
|
**
|
|
** does the terminal do enq/ack handshaking?
|
|
*/
|
|
static void
|
|
probe_enq_ok(void)
|
|
{
|
|
int tc, len, ulen;
|
|
|
|
put_str("Testing ENQ/ACK, standby...");
|
|
fflush(stdout);
|
|
can_test("u8 u9", FLAG_TESTED);
|
|
|
|
#ifdef user9
|
|
tty_ENQ = user9 ? user9 : "\005";
|
|
#else
|
|
tty_ENQ = "\005";
|
|
#endif
|
|
tc_putp(tty_ENQ);
|
|
event_start(TIME_SYNC); /* start the timer */
|
|
read_key(tty_ACK, TTY_ACK_SIZE - 1);
|
|
|
|
if (event_time(TIME_SYNC) > 400000 || tty_ACK[0] == '\0') {
|
|
/* These characters came from the user. Sigh. */
|
|
tty_can_sync = SYNC_FAILED;
|
|
ptext("\nThis program expects the ENQ sequence to be");
|
|
ptext(" answered with the ACK character. This will help");
|
|
ptext(" the program reestablish synchronization when");
|
|
ptextln(" the terminal is overrun with data.");
|
|
ptext("\nENQ sequence from (u9): ");
|
|
putln(expand(tty_ENQ));
|
|
ptext("ACK received: ");
|
|
putln(expand(tty_ACK));
|
|
#ifdef user8
|
|
len = user8 ? strlen(user8) : 0;
|
|
#else
|
|
len = 0;
|
|
#endif
|
|
sprintf(temp, "Length of ACK %d. Expected length of ACK %d.",
|
|
(int) strlen(tty_ACK), len);
|
|
ptextln(temp);
|
|
#ifdef user8
|
|
if (len) {
|
|
temp[0] = user8[len - 1];
|
|
temp[1] = '\0';
|
|
ptext("Terminating character found in (u8): ");
|
|
putln(expand(temp));
|
|
}
|
|
#endif
|
|
return;
|
|
}
|
|
|
|
tty_can_sync = SYNC_TESTED;
|
|
if ((len = strlen(tty_ACK)) == 1) {
|
|
/* single character acknowledge string */
|
|
ACK_terminator = tty_ACK[0];
|
|
ACK_length = 4096;
|
|
return;
|
|
}
|
|
tc = tty_ACK[len - 1];
|
|
#ifdef user8
|
|
if (user8) {
|
|
ulen = strlen(user8);
|
|
if (tc == user8[ulen - 1]) {
|
|
/* ANSI style acknowledge string */
|
|
ACK_terminator = tc;
|
|
ACK_length = 4096;
|
|
return;
|
|
}
|
|
}
|
|
#endif
|
|
/* fixed length acknowledge string */
|
|
ACK_length = len;
|
|
ACK_terminator = -2;
|
|
}
|
|
|
|
/*
|
|
** verify_time()
|
|
**
|
|
** verify that the time tests are ready to run.
|
|
** If the baud rate is not set then compute it.
|
|
*/
|
|
void
|
|
verify_time(void)
|
|
{
|
|
int status, ch;
|
|
|
|
if (tty_can_sync == SYNC_FAILED) {
|
|
return;
|
|
}
|
|
probe_enq_ok();
|
|
put_crlf();
|
|
if (tty_can_sync == SYNC_TESTED) {
|
|
put_crlf();
|
|
if (ACK_terminator >= 0) {
|
|
ptext("ACK terminating character: ");
|
|
temp[0] = ACK_terminator;
|
|
temp[1] = '\0';
|
|
ptextln(expand(temp));
|
|
} else {
|
|
sprintf(temp, "Fixed length ACK, %d characters",
|
|
ACK_length);
|
|
ptextln(temp);
|
|
}
|
|
}
|
|
if (tty_baud_rate == 0) {
|
|
sync_home(&sync_test_list[0], &status, &ch);
|
|
}
|
|
}
|
|
|
|
/*****************************************************************************
|
|
*
|
|
* Terminal performance tests
|
|
*
|
|
* Find out how fast the terminal can:
|
|
* 1) accept characters
|
|
* 2) scroll the screen
|
|
* 3) clear the screen
|
|
*
|
|
*****************************************************************************/
|
|
|
|
/*
|
|
** sync_home(test_list, status, ch)
|
|
**
|
|
** Baudrate test
|
|
*/
|
|
void
|
|
sync_home(
|
|
struct test_list *t,
|
|
int *state,
|
|
int *ch)
|
|
{
|
|
int j, k;
|
|
unsigned long rate;
|
|
|
|
if (!cursor_home && !cursor_address && !row_address) {
|
|
ptext("Terminal can not home cursor. ");
|
|
generic_done_message(t, state, ch);
|
|
return;
|
|
}
|
|
if (skip_pad_test(t, state, ch,
|
|
"(home) Start baudrate search")) {
|
|
return;
|
|
}
|
|
pad_test_startup(1);
|
|
do {
|
|
go_home();
|
|
for (j = 1; j < lines; j++) {
|
|
for (k = 0; k < columns; k++) {
|
|
if (k & 0xF) {
|
|
put_this(letter);
|
|
} else {
|
|
put_this('.');
|
|
}
|
|
}
|
|
SLOW_TERMINAL_EXIT;
|
|
}
|
|
NEXT_LETTER;
|
|
} while(still_testing());
|
|
pad_test_shutdown(t, auto_right_margin == 0);
|
|
/* note: tty_frame_size is the real framesize times two.
|
|
This takes care of half bits. */
|
|
rate = (tx_cps * tty_frame_size) >> 1;
|
|
if (rate > tty_baud_rate) {
|
|
tty_baud_rate = rate;
|
|
}
|
|
if (tx_cps > tty_cps) {
|
|
tty_cps = tx_cps;
|
|
}
|
|
sprintf(temp, "%d characters per second. Baudrate %d ", tx_cps, j);
|
|
ptext(temp);
|
|
generic_done_message(t, state, ch);
|
|
}
|
|
|
|
/*
|
|
** sync_lines(test_list, status, ch)
|
|
**
|
|
** How many newlines/second?
|
|
*/
|
|
static void
|
|
sync_lines(
|
|
struct test_list *t,
|
|
int *state,
|
|
int *ch)
|
|
{
|
|
int j;
|
|
|
|
if (skip_pad_test(t, state, ch,
|
|
"(nel) Start scroll performance test")) {
|
|
return;
|
|
}
|
|
pad_test_startup(0);
|
|
repeats = 100;
|
|
do {
|
|
sprintf(temp, "%d", test_complete);
|
|
put_str(temp);
|
|
put_newlines(repeats);
|
|
} while(still_testing());
|
|
pad_test_shutdown(t, 0);
|
|
j = sliding_scale(tx_count[0], 1000000, usec_run_time);
|
|
if (j > tty_newline_rate) {
|
|
tty_newline_rate = j;
|
|
}
|
|
sprintf(temp, "%d linefeeds per second. ", j);
|
|
ptext(temp);
|
|
generic_done_message(t, state, ch);
|
|
}
|
|
|
|
/*
|
|
** sync_clear(test_list, status, ch)
|
|
**
|
|
** How many clear-screens/second?
|
|
*/
|
|
static void
|
|
sync_clear(
|
|
struct test_list *t,
|
|
int *state,
|
|
int *ch)
|
|
{
|
|
int j;
|
|
|
|
if (!clear_screen) {
|
|
ptext("Terminal can not clear-screen. ");
|
|
generic_done_message(t, state, ch);
|
|
return;
|
|
}
|
|
if (skip_pad_test(t, state, ch,
|
|
"(clear) Start clear-screen performance test")) {
|
|
return;
|
|
}
|
|
pad_test_startup(0);
|
|
repeats = 20;
|
|
do {
|
|
sprintf(temp, "%d", test_complete);
|
|
put_str(temp);
|
|
for (j = 0; j < repeats; j++) {
|
|
put_clear();
|
|
}
|
|
} while(still_testing());
|
|
pad_test_shutdown(t, 0);
|
|
j = sliding_scale(tx_count[0], 1000000, usec_run_time);
|
|
if (j > tty_clear_rate) {
|
|
tty_clear_rate = j;
|
|
}
|
|
sprintf(temp, "%d clear-screens per second. ", j);
|
|
ptext(temp);
|
|
generic_done_message(t, state, ch);
|
|
}
|
|
|
|
/*
|
|
** sync_summary(test_list, status, ch)
|
|
**
|
|
** Print out the test results.
|
|
*/
|
|
static void
|
|
sync_summary(
|
|
struct test_list *t,
|
|
int *state,
|
|
int *ch)
|
|
{
|
|
char size[32];
|
|
|
|
put_crlf();
|
|
ptextln("Terminal size characters/sec linefeeds/sec clears/sec");
|
|
sprintf(size, "%dx%d", columns, lines);
|
|
sprintf(temp, "%-10s%-11s%11d %11d %11d", tty_basename, size,
|
|
tty_cps, tty_newline_rate, tty_clear_rate);
|
|
ptextln(temp);
|
|
generic_done_message(t, state, ch);
|
|
}
|
|
|
|
/*
|
|
** sync_test(menu)
|
|
**
|
|
** Run at the beginning of the pad tests and function key tests
|
|
*/
|
|
void
|
|
sync_test(
|
|
struct test_menu *menu)
|
|
{
|
|
control_init();
|
|
if (tty_can_sync == SYNC_NOT_TESTED) {
|
|
verify_time();
|
|
}
|
|
if (menu->menu_title) {
|
|
put_crlf();
|
|
ptextln(menu->menu_title);
|
|
}
|
|
}
|
|
|
|
/*
|
|
** sync_handshake(test_list, status, ch)
|
|
**
|
|
** Test or retest the ENQ/ACK handshake
|
|
*/
|
|
void
|
|
sync_handshake(
|
|
struct test_list *t GCC_UNUSED,
|
|
int *state GCC_UNUSED,
|
|
int *ch GCC_UNUSED)
|
|
{
|
|
tty_can_sync = SYNC_NOT_TESTED;
|
|
verify_time();
|
|
}
|