John Hood
128 lines
3.7 KiB
C++
128 lines
3.7 KiB
C++
/*
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Mosh: the mobile shell
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Copyright 2012 Keith Winstein
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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In addition, as a special exception, the copyright holders give
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permission to link the code of portions of this program with the
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OpenSSL library under certain conditions as described in each
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individual source file, and distribute linked combinations including
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the two.
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You must obey the GNU General Public License in all respects for all
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of the code used other than OpenSSL. If you modify file(s) with this
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exception, you may extend this exception to your version of the
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file(s), but you are not obligated to do so. If you do not wish to do
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so, delete this exception statement from your version. If you delete
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this exception statement from all source files in the program, then
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also delete it here.
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*/
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#include "config.h"
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#include <errno.h>
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#include <locale.h>
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#include <string.h>
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#include <unistd.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <sys/ioctl.h>
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#include <sys/types.h>
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#include <pwd.h>
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#include <signal.h>
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#include <time.h>
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#include <limits.h>
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#include <exception>
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#if HAVE_PTY_H
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#include <pty.h>
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#elif HAVE_UTIL_H
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#include <util.h>
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#endif
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#include "swrite.h"
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#include "completeterminal.h"
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#include "user.h"
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#include "terminaloverlay.h"
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#include "locale_utils.h"
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#include "fatal_assert.h"
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const int ITERATIONS = 100000;
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using namespace Terminal;
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int main( int argc, char **argv )
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{
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try {
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int fbmod = 0;
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int width = 80, height = 24;
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int iterations = ITERATIONS;
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if (argc > 1) {
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iterations = atoi(argv[1]);
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if (iterations < 1 || iterations > 1000000000) {
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fprintf(stderr, "bogus iteration count\n");
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exit(1);
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}
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}
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if (argc > 3) {
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width = atoi(argv[2]);
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height = atoi(argv[3]);
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if (width < 1 || width > 1000 || height < 1 || height > 1000) {
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fprintf(stderr, "bogus window size\n");
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exit(1);
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}
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}
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Framebuffer local_framebuffers[ 2 ] = { Framebuffer(width,height), Framebuffer(width,height) };
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Framebuffer *local_framebuffer = &(local_framebuffers[ fbmod ]);
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Framebuffer *new_state = &(local_framebuffers[ !fbmod ]);
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Overlay::OverlayManager overlays;
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Display display( true );
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Complete local_terminal( width, height );
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/* Adopt native locale */
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set_native_locale();
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fatal_assert( is_utf8_locale() );
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for ( int i = 0; i < iterations; i++ ) {
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/* type a character */
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overlays.get_prediction_engine().new_user_byte( i + 'x', *local_framebuffer );
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/* fetch target state */
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*new_state = local_terminal.get_fb();
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/* apply local overlays */
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overlays.apply( *new_state );
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/* calculate minimal difference from where we are */
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const string diff( display.new_frame( false,
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*local_framebuffer,
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*new_state ) );
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/* make sure to use diff */
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if ( diff.size() > INT_MAX ) {
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exit( 1 );
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}
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fbmod = !fbmod;
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local_framebuffer = &(local_framebuffers[ fbmod ]);
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new_state = &(local_framebuffers[ !fbmod ]);
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}
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} catch ( const std::exception &e ) {
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fprintf( stderr, "Exception caught: %s\n", e.what() );
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return 1;
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}
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return 0;
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}
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