axel/trunk/text.c

  /********************************************************************\
  * Axel -- A lighter download accelerator for Linux and other Unices. *
  *                                                                    *
  * Copyright 2001 Wilmer van der Gaast                                *
  \********************************************************************/

/* Text interface                                                       */

/*
  This program 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 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 General Public License for more details.

  You should have received a copy of the GNU General Public License with
  the Debian GNU/Linux distribution in file /usr/doc/copyright/GPL;
  if not, write to the Free Software Foundation, Inc., 59 Temple Place,
  Suite 330, Boston, MA  02111-1307  USA
*/

#include "axel.h"

static void stop( int signal );
static char *size_human( long long int value );
static char *time_human( int value );
static void print_commas( long long int bytes_done );
static void print_alternate_output( axel_t *axel );
static void print_help();
static void print_version();
static void print_messages( axel_t *axel );

int run = 1;

#ifdef NOGETOPTLONG
#define getopt_long( a, b, c, d, e ) getopt( a, b, c )
#else
static struct option axel_options[] =
{
        /* name                 has_arg flag    val */
        { "max-speed",          1,      NULL,   's' },
        { "num-connections",    1,      NULL,   'n' },
        { "output",             1,      NULL,   'o' },
        { "search",             2,      NULL,   'S' },
        { "no-proxy",           0,      NULL,   'N' },
        { "quiet",              0,      NULL,   'q' },
        { "verbose",            0,      NULL,   'v' },
        { "help",               0,      NULL,   'h' },
        { "version",            0,      NULL,   'V' },
        { "alternate",          0,      NULL,   'a' },
        { "header",             1,      NULL,   'H' },
        { NULL,                 0,      NULL,   0 }
};
#endif

/* For returning string values from functions                           */
static char string[MAX_STRING];


int main( int argc, char *argv[] )
{
        char fn[MAX_STRING] = "";
        int do_search = 0;
        search_t *search;
        conf_t conf[1];
        axel_t *axel;
        int i, j, cur_head = 0;
        char *s;
        
#ifdef I18N
        setlocale( LC_ALL, "" );
        bindtextdomain( PACKAGE, LOCALE );
        textdomain( PACKAGE );
#endif
        
        if( !conf_init( conf ) )
        {
                return( 1 );
        }
        
        opterr = 0;
        
        j = -1;
        while( 1 )
        {
                int option;
                
                option = getopt_long( argc, argv, "s:n:o:S::NqvhHVaH:", axel_options, NULL );
                if( option == -1 )
                        break;
                
                switch( option )
                {
                case 'H':
                        strncpy( conf->add_header[cur_head++], optarg, MAX_STRING );
                        break;
                case 's':
                        if( !sscanf( optarg, "%i", &conf->max_speed ) )
                        {
                                print_help();
                                return( 1 );
                        }
                        break;
                case 'n':
                        if( !sscanf( optarg, "%i", &conf->num_connections ) )
                        {
                                print_help();
                                return( 1 );
                        }
                        break;
                case 'o':
                        strncpy( fn, optarg, MAX_STRING );
                        break;
                case 'S':
                        do_search = 1;
                        if( optarg != NULL )
                        if( !sscanf( optarg, "%i", &conf->search_top ) )
                        {
                                print_help();
                                return( 1 );
                        }
                        break;
                case 'a':
                        conf->alternate_output = 1;
                        break;
                case 'N':
                        *conf->http_proxy = 0;
                        break;
                case 'h':
                        print_help();
                        return( 0 );
                case 'v':
                        if( j == -1 )
                                j = 1;
                        else
                                j ++;
                        break;
                case 'V':
                        print_version();
                        return( 0 );
                case 'q':
                        close( 1 );
                        conf->verbose = -1;
                        if( open( "/dev/null", O_WRONLY ) != 1 )
                        {
                                fprintf( stderr, _("Can't redirect stdout to /dev/null.\n") );
                                return( 1 );
                        }
                        break;
                default:
                        print_help();
                        return( 1 );
                }
        }
        conf->add_header_count = cur_head;
        if( j > -1 )
                conf->verbose = j;
        
        if( argc - optind == 0 )
        {
                print_help();
                return( 1 );
        }
        else if( strcmp( argv[optind], "-" ) == 0 )
        {
                s = malloc( MAX_STRING );
                scanf( "%1024[^\n]s", s );
        }
        else
        {
                s = argv[optind];
                if( strlen( s ) > MAX_STRING )
                {
                        fprintf( stderr, _("Can't handle URLs of length over %d\n" ), MAX_STRING );
                        return( 1 );
                }
        }
        
        printf( _("Initializing download: %s\n"), s );
        if( do_search )
        {
                search = malloc( sizeof( search_t ) * ( conf->search_amount + 1 ) );
                memset( search, 0, sizeof( search_t ) * ( conf->search_amount + 1 ) );
                search[0].conf = conf;
                if( conf->verbose )
                        printf( _("Doing search...\n") );
                i = search_makelist( search, s );
                if( i < 0 )
                {
                        fprintf( stderr, _("File not found\n" ) );
                        return( 1 );
                }
                if( conf->verbose )
                        printf( _("Testing speeds, this can take a while...\n") );
                j = search_getspeeds( search, i );
                search_sortlist( search, i );
                if( conf->verbose )
                {
                        printf( _("%i usable servers found, will use these URLs:\n"), j );
                        j = min( j, conf->search_top );
                        printf( "%-60s %15s\n", "URL", "Speed" );
                        for( i = 0; i < j; i ++ )
                                printf( "%-70.70s %5i\n", search[i].url, search[i].speed );
                        printf( "\n" );
                }
                axel = axel_new( conf, j, search );
                free( search );
                if( axel->ready == -1 )
                {
                        print_messages( axel );
                        axel_close( axel );
                        return( 1 );
                }
        }
        else if( argc - optind == 1 )
        {
                axel = axel_new( conf, 0, s );
                if( axel->ready == -1 )
                {
                        print_messages( axel );
                        axel_close( axel );
                        return( 1 );
                }
        }
        else
        {
                search = malloc( sizeof( search_t ) * ( argc - optind ) );
                memset( search, 0, sizeof( search_t ) * ( argc - optind ) );
                for( i = 0; i < ( argc - optind ); i ++ )
                        strncpy( search[i].url, argv[optind+i], MAX_STRING );
                axel = axel_new( conf, argc - optind, search );
                free( search );
                if( axel->ready == -1 )
                {
                        print_messages( axel );
                        axel_close( axel );
                        return( 1 );
                }
        }
        print_messages( axel );
        if( s != argv[optind] )
        {
                free( s );
        }
        
        if( *fn )
        {
                struct stat buf;
                
                if( stat( fn, &buf ) == 0 )
                {
                        if( S_ISDIR( buf.st_mode ) )
                        {
                                strncat( fn, "/", MAX_STRING );
                                strncat( fn, axel->filename, MAX_STRING );
                        }
                }
                sprintf( string, "%s.st", fn );
                if( access( fn, F_OK ) == 0 ) if( access( string, F_OK ) != 0 )
                {
                        fprintf( stderr, _("No state file, cannot resume!\n") );
                        return( 1 );
                }
                if( access( string, F_OK ) == 0 ) if( access( fn, F_OK ) != 0 )
                {
                        printf( _("State file found, but no downloaded data. Starting from scratch.\n" ) );
                        unlink( string );
                }
                strcpy( axel->filename, fn );
        }
        else
        {
                /* Local file existence check                                   */
                i = 0;
                s = axel->filename + strlen( axel->filename );
                while( 1 )
                {
                        sprintf( string, "%s.st", axel->filename );
                        if( access( axel->filename, F_OK ) == 0 )
                        {
                                if( axel->conn[0].supported )
                                {
                                        if( access( string, F_OK ) == 0 )
                                                break;
                                }
                        }
                        else
                        {
                                if( access( string, F_OK ) )
                                        break;
                        }
                        sprintf( s, ".%i", i );
                        i ++;
                }
        }
        
        if( !axel_open( axel ) )
        {
                print_messages( axel );
                return( 1 );
        }
        print_messages( axel );
        axel_start( axel );
        print_messages( axel );

        if( conf->alternate_output )
        {
                putchar('\n');
        } 
        else
        {
                if( axel->bytes_done > 0 )      /* Print first dots if resuming */
                {
                        putchar( '\n' );
                        print_commas( axel->bytes_done );
                }
        }
        axel->start_byte = axel->bytes_done;
        
        /* Install save_state signal handler for resuming support       */
        signal( SIGINT, stop );
        signal( SIGTERM, stop );
        
        while( !axel->ready && run )
        {
                long long int prev, done;
                
                prev = axel->bytes_done;
                axel_do( axel );
                
                if( conf->alternate_output )
                {                       
                        if( !axel->message && prev != axel->bytes_done )
                                print_alternate_output( axel );
                }
                else
                {
                        /* The infamous wget-like 'interface'.. ;)              */
                        done = ( axel->bytes_done / 1024 ) - ( prev / 1024 );
                        if( done && conf->verbose > -1 )
                        {
                                for( i = 0; i < done; i ++ )
                                {
                                        i += ( prev / 1024 );
                                        if( ( i % 50 ) == 0 )
                                        {
                                                if( prev >= 1024 )
                                                        printf( "  [%6.1fKB/s]", (double) axel->bytes_per_second / 1024 );
                                                if( axel->size < 10240000 )
                                                        printf( "\n[%3lld%%]  ", min( 100, 102400 * i / axel->size ) );
                                                else
                                                        printf( "\n[%3lld%%]  ", min( 100, i / ( axel->size / 102400 ) ) );
                                        }
                                        else if( ( i % 10 ) == 0 )
                                        {
                                                putchar( ' ' );
                                        }
                                        putchar( '.' );
                                        i -= ( prev / 1024 );
                                }
                                fflush( stdout );
                        }
                }
                
                if( axel->message )
                {
                        if(conf->alternate_output==1)
                        {
                                /* clreol-simulation */
                                putchar( '\r' );
                                for( i = 0; i < 79; i++ ) /* linewidth known? */
                                        putchar( ' ' );
                                putchar( '\r' );
                        }
                        else
                        {
                                putchar( '\n' );
                        }
                        print_messages( axel );
                        if( !axel->ready )
                        {
                                if(conf->alternate_output!=1)
                                        print_commas( axel->bytes_done );
                                else
                                        print_alternate_output(axel);
                        }
                }
                else if( axel->ready )
                {
                        putchar( '\n' );
                }
        }
        
        strcpy( string + MAX_STRING / 2,
                size_human( axel->bytes_done - axel->start_byte ) );
        
        printf( _("\nDownloaded %s in %s. (%.2f KB/s)\n"),
                string + MAX_STRING / 2,
                time_human( gettime() - axel->start_time ),
                (double) axel->bytes_per_second / 1024 );
        
        i = axel->ready ? 0 : 2;
        
        axel_close( axel );
        
        return( i );
}

/* SIGINT/SIGTERM handler                                               */
void stop( int signal )
{
        run = 0;
}

/* Convert a number of bytes to a human-readable form                   */
char *size_human( long long int value )
{
        if( value == 1 )
                sprintf( string, _("%lld byte"), value );
        else if( value < 1024 )
                sprintf( string, _("%lld bytes"), value );
        else if( value < 10485760 )
                sprintf( string, _("%.1f kilobytes"), (float) value / 1024 );
        else
                sprintf( string, _("%.1f megabytes"), (float) value / 1048576 );
        
        return( string );
}

/* Convert a number of seconds to a human-readable form                 */
char *time_human( int value )
{
        if( value == 1 )
                sprintf( string, _("%i second"), value );
        else if( value < 60 )
                sprintf( string, _("%i seconds"), value );
        else if( value < 3600 )
                sprintf( string, _("%i:%02i seconds"), value / 60, value % 60 );
        else
                sprintf( string, _("%i:%02i:%02i seconds"), value / 3600, ( value / 60 ) % 60, value % 60 );
        
        return( string );
}

/* Part of the infamous wget-like interface. Just put it in a function
        because I need it quite often..                                 */
void print_commas( long long int bytes_done )
{
        int i, j;
        
        printf( "       " );
        j = ( bytes_done / 1024 ) % 50;
        if( j == 0 ) j = 50;
        for( i = 0; i < j; i ++ )
        {
                if( ( i % 10 ) == 0 )
                        putchar( ' ' );
                putchar( ',' );
        }
        fflush( stdout );
}

static void print_alternate_output(axel_t *axel) 
{
        long long int done=axel->bytes_done;
        long long int total=axel->size;
        int i,j=0;
        double now = gettime();
        
        printf("\r[%3ld%%] [", min(100,(long)(done*100./total+.5) ) );
                
        for(i=0;i<axel->conf->num_connections;i++)
        {
                for(;j<((double)axel->conn[i].currentbyte/(total+1)*50)-1;j++)
                        putchar('.');

                if(axel->conn[i].currentbyte<axel->conn[i].lastbyte)
                {
                        if(now <= axel->conn[i].last_transfer + axel->conf->connection_timeout/2 )
                                putchar(i+'0');
                        else
                                putchar('#');
                } else 
                        putchar('.');

                j++;
                
                for(;j<((double)axel->conn[i].lastbyte/(total+1)*50);j++)
                        putchar(' ');
        }
        
        printf( "] [%6.1fKB/s]", (double) axel->bytes_per_second / 1024 );
        
        if(done<total)
        {
                int seconds,minutes,hours,days;
                seconds=axel->finish_time - now;
                minutes=seconds/60;seconds-=minutes*60;
                hours=minutes/60;minutes-=hours*60;
                days=hours/24;hours-=days*24;
                if(days)
                        printf(" [%2dd%2d]",days,hours);
                else if(hours)
                        printf(" [%2dh%02d]",hours,minutes);
                else
                        printf(" [%02d:%02d]",minutes,seconds);
        }
        
        fflush( stdout );
}

void print_help()
{
#ifdef NOGETOPTLONG
        printf( _("Usage: axel [options] url1 [url2] [url...]\n"
                "\n"
                "-s x\tSpecify maximum speed (bytes per second)\n"
                "-n x\tSpecify maximum number of connections\n"
                "-o f\tSpecify local output file\n"
                "-S [x]\tSearch for mirrors and download from x servers\n"
                "-H x\tAdd header string\n"
                "-N\tJust don't use any proxy server\n"
                "-q\tLeave stdout alone\n"
                "-v\tMore status information\n"
                "-a\tAlternate progress indicator\n"
                "-h\tThis information\n"
                "-V\tVersion information\n"
                "\n"
                "Visit http://axel.alioth.debian.org/ to report bugs\n") );
#else
        printf( _("Usage: axel [options] url1 [url2] [url...]\n"
                "\n"
                "--max-speed=x\t\t-s x\tSpecify maximum speed (bytes per second)\n"
                "--num-connections=x\t-n x\tSpecify maximum number of connections\n"
                "--output=f\t\t-o f\tSpecify local output file\n"
                "--search[=x]\t\t-S [x]\tSearch for mirrors and download from x servers\n"
                "--header=x\t\t-H x\tAdd header string\n"
                "--no-proxy\t\t-N\tJust don't use any proxy server\n"
                "--quiet\t\t\t-q\tLeave stdout alone\n"
                "--verbose\t\t-v\tMore status information\n"
                "--alternate\t\t-a\tAlternate progress indicator\n"
                "--help\t\t\t-h\tThis information\n"
                "--version\t\t-V\tVersion information\n"
                "\n"
                "Visit http://axel.alioth.debian.org/ to report bugs\n") );
#endif
}

void print_version()
{
        printf( _("Axel version %s (%s)\n"), AXEL_VERSION_STRING, ARCH );
        printf( "\nCopyright 2001-2002 Wilmer van der Gaast.\n" );
}

/* Print any message in the axel structure                              */
void print_messages( axel_t *axel )
{
        message_t *m;
        
        while( axel->message )
        {
                printf( "%s\n", axel->message->text );
                m = axel->message;
                axel->message = axel->message->next;
                free( m );
        }
}
1	appaji-guest	2	/********************************************************************\
2			* Axel -- A lighter download accelerator for Linux and other Unices. *
3			* *
4			* Copyright 2001 Wilmer van der Gaast *
5			\********************************************************************/
6
7			/* Text interface */
8
9			/*
10			This program is free software; you can redistribute it and/or modify
11			it under the terms of the GNU General Public License as published by
12			the Free Software Foundation; either version 2 of the License, or
13			(at your option) any later version.
14
15			This program is distributed in the hope that it will be useful,
16			but WITHOUT ANY WARRANTY; without even the implied warranty of
17			MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18			GNU General Public License for more details.
19
20			You should have received a copy of the GNU General Public License with
21			the Debian GNU/Linux distribution in file /usr/doc/copyright/GPL;
22			if not, write to the Free Software Foundation, Inc., 59 Temple Place,
23			Suite 330, Boston, MA 02111-1307 USA
24			*/
25
26			#include "axel.h"
27
28			static void stop( int signal );
29	appaji-guest	25	static char *size_human( long long int value );
30	appaji-guest	2	static char *time_human( int value );
31	appaji-guest	25	static void print_commas( long long int bytes_done );
32	appaji-guest	2	static void print_alternate_output( axel_t *axel );
33			static void print_help();
34			static void print_version();
35			static void print_messages( axel_t *axel );
36
37			int run = 1;
38
39			#ifdef NOGETOPTLONG
40			#define getopt_long( a, b, c, d, e ) getopt( a, b, c )
41			#else
42			static struct option axel_options[] =
43			{
44			/* name has_arg flag val */
45			{ "max-speed", 1, NULL, 's' },
46			{ "num-connections", 1, NULL, 'n' },
47			{ "output", 1, NULL, 'o' },
48			{ "search", 2, NULL, 'S' },
49			{ "no-proxy", 0, NULL, 'N' },
50			{ "quiet", 0, NULL, 'q' },
51			{ "verbose", 0, NULL, 'v' },
52			{ "help", 0, NULL, 'h' },
53			{ "version", 0, NULL, 'V' },
54			{ "alternate", 0, NULL, 'a' },
55	appaji-guest	27	{ "header", 1, NULL, 'H' },
56	appaji-guest	2	{ NULL, 0, NULL, 0 }
57			};
58			#endif
59
60			/* For returning string values from functions */
61			static char string[MAX_STRING];
62
63
64			int main( int argc, char *argv[] )
65			{
66			char fn[MAX_STRING] = "";
67			int do_search = 0;
68			search_t *search;
69			conf_t conf[1];
70			axel_t *axel;
71	appaji-guest	27	int i, j, cur_head = 0;
72	appaji-guest	2	char *s;
73
74			#ifdef I18N
75			setlocale( LC_ALL, "" );
76			bindtextdomain( PACKAGE, LOCALE );
77			textdomain( PACKAGE );
78			#endif
79
80			if( !conf_init( conf ) )
81			{
82			return( 1 );
83			}
84
85			opterr = 0;
86
87			j = -1;
88			while( 1 )
89			{
90			int option;
91
92	appaji-guest	27	option = getopt_long( argc, argv, "s:n:o:S::NqvhHVaH:", axel_options, NULL );
93	appaji-guest	2	if( option == -1 )
94			break;
95
96			switch( option )
97			{
98	appaji-guest	27	case 'H':
99			strncpy( conf->add_header[cur_head++], optarg, MAX_STRING );
100			break;
101	appaji-guest	2	case 's':
102			if( !sscanf( optarg, "%i", &conf->max_speed ) )
103			{
104			print_help();
105			return( 1 );
106			}
107			break;
108			case 'n':
109			if( !sscanf( optarg, "%i", &conf->num_connections ) )
110			{
111			print_help();
112			return( 1 );
113			}
114			break;
115			case 'o':
116			strncpy( fn, optarg, MAX_STRING );
117			break;
118			case 'S':
119			do_search = 1;
120			if( optarg != NULL )
121			if( !sscanf( optarg, "%i", &conf->search_top ) )
122			{
123			print_help();
124			return( 1 );
125			}
126			break;
127			case 'a':
128			conf->alternate_output = 1;
129			break;
130			case 'N':
131			*conf->http_proxy = 0;
132			break;
133			case 'h':
134			print_help();
135			return( 0 );
136			case 'v':
137			if( j == -1 )
138			j = 1;
139			else
140			j ++;
141			break;
142			case 'V':
143			print_version();
144			return( 0 );
145			case 'q':
146			close( 1 );
147			conf->verbose = -1;
148			if( open( "/dev/null", O_WRONLY ) != 1 )
149			{
150			fprintf( stderr, _("Can't redirect stdout to /dev/null.\n") );
151			return( 1 );
152			}
153			break;
154			default:
155			print_help();
156			return( 1 );
157			}
158			}
159	appaji-guest	27	conf->add_header_count = cur_head;
160	appaji-guest	2	if( j > -1 )
161			conf->verbose = j;
162
163			if( argc - optind == 0 )
164			{
165			print_help();
166			return( 1 );
167			}
168			else if( strcmp( argv[optind], "-" ) == 0 )
169			{
170			s = malloc( MAX_STRING );
171	appaji-guest	7	scanf( "%1024[^\n]s", s );
172	appaji-guest	2	}
173			else
174			{
175			s = argv[optind];
176	appaji-guest	7	if( strlen( s ) > MAX_STRING )
177			{
178			fprintf( stderr, _("Can't handle URLs of length over %d\n" ), MAX_STRING );
179			return( 1 );
180			}
181	appaji-guest	2	}
182
183			printf( _("Initializing download: %s\n"), s );
184			if( do_search )
185			{
186			search = malloc( sizeof( search_t ) * ( conf->search_amount + 1 ) );
187			memset( search, 0, sizeof( search_t ) * ( conf->search_amount + 1 ) );
188			search[0].conf = conf;
189			if( conf->verbose )
190			printf( _("Doing search...\n") );
191			i = search_makelist( search, s );
192			if( i < 0 )
193			{
194			fprintf( stderr, _("File not found\n" ) );
195			return( 1 );
196			}
197			if( conf->verbose )
198			printf( _("Testing speeds, this can take a while...\n") );
199			j = search_getspeeds( search, i );
200			search_sortlist( search, i );
201			if( conf->verbose )
202			{
203			printf( _("%i usable servers found, will use these URLs:\n"), j );
204			j = min( j, conf->search_top );
205			printf( "%-60s %15s\n", "URL", "Speed" );
206			for( i = 0; i < j; i ++ )
207			printf( "%-70.70s %5i\n", search[i].url, search[i].speed );
208			printf( "\n" );
209			}
210			axel = axel_new( conf, j, search );
211			free( search );
212			if( axel->ready == -1 )
213			{
214			print_messages( axel );
215			axel_close( axel );
216			return( 1 );
217			}
218			}
219			else if( argc - optind == 1 )
220			{
221			axel = axel_new( conf, 0, s );
222			if( axel->ready == -1 )
223			{
224			print_messages( axel );
225			axel_close( axel );
226			return( 1 );
227			}
228			}
229			else
230			{
231			search = malloc( sizeof( search_t ) * ( argc - optind ) );
232			memset( search, 0, sizeof( search_t ) * ( argc - optind ) );
233			for( i = 0; i < ( argc - optind ); i ++ )
234			strncpy( search[i].url, argv[optind+i], MAX_STRING );
235			axel = axel_new( conf, argc - optind, search );
236			free( search );
237			if( axel->ready == -1 )
238			{
239			print_messages( axel );
240			axel_close( axel );
241			return( 1 );
242			}
243			}
244			print_messages( axel );
245			if( s != argv[optind] )
246			{
247			free( s );
248			}
249
250			if( *fn )
251			{
252			struct stat buf;
253
254			if( stat( fn, &buf ) == 0 )
255			{
256			if( S_ISDIR( buf.st_mode ) )
257			{
258			strncat( fn, "/", MAX_STRING );
259			strncat( fn, axel->filename, MAX_STRING );
260			}
261			}
262			sprintf( string, "%s.st", fn );
263			if( access( fn, F_OK ) == 0 ) if( access( string, F_OK ) != 0 )
264			{
265			fprintf( stderr, _("No state file, cannot resume!\n") );
266			return( 1 );
267			}
268			if( access( string, F_OK ) == 0 ) if( access( fn, F_OK ) != 0 )
269			{
270			printf( _("State file found, but no downloaded data. Starting from scratch.\n" ) );
271			unlink( string );
272			}
273			strcpy( axel->filename, fn );
274			}
275			else
276			{
277			/* Local file existence check */
278			i = 0;
279			s = axel->filename + strlen( axel->filename );
280			while( 1 )
281			{
282			sprintf( string, "%s.st", axel->filename );
283			if( access( axel->filename, F_OK ) == 0 )
284			{
285			if( axel->conn[0].supported )
286			{
287			if( access( string, F_OK ) == 0 )
288			break;
289			}
290			}
291			else
292			{
293			if( access( string, F_OK ) )
294			break;
295			}
296			sprintf( s, ".%i", i );
297			i ++;
298			}
299			}
300
301			if( !axel_open( axel ) )
302			{
303			print_messages( axel );
304			return( 1 );
305			}
306			print_messages( axel );
307			axel_start( axel );
308			print_messages( axel );
309
310			if( conf->alternate_output )
311			{
312			putchar('\n');
313			}
314			else
315			{
316			if( axel->bytes_done > 0 ) /* Print first dots if resuming */
317			{
318			putchar( '\n' );
319			print_commas( axel->bytes_done );
320			}
321			}
322			axel->start_byte = axel->bytes_done;
323
324			/* Install save_state signal handler for resuming support */
325			signal( SIGINT, stop );
326			signal( SIGTERM, stop );
327
328			while( !axel->ready && run )
329			{
330	appaji-guest	25	long long int prev, done;
331	appaji-guest	2
332			prev = axel->bytes_done;
333			axel_do( axel );
334
335			if( conf->alternate_output )
336			{
337			if( !axel->message && prev != axel->bytes_done )
338			print_alternate_output( axel );
339			}
340			else
341			{
342			/* The infamous wget-like 'interface'.. ;) */
343			done = ( axel->bytes_done / 1024 ) - ( prev / 1024 );
344			if( done && conf->verbose > -1 )
345			{
346			for( i = 0; i < done; i ++ )
347			{
348			i += ( prev / 1024 );
349			if( ( i % 50 ) == 0 )
350			{
351			if( prev >= 1024 )
352			printf( " [%6.1fKB/s]", (double) axel->bytes_per_second / 1024 );
353			if( axel->size < 10240000 )
354	appaji-guest	25	printf( "\n[%3lld%%] ", min( 100, 102400 * i / axel->size ) );
355	appaji-guest	2	else
356	appaji-guest	25	printf( "\n[%3lld%%] ", min( 100, i / ( axel->size / 102400 ) ) );
357	appaji-guest	2	}
358			else if( ( i % 10 ) == 0 )
359			{
360			putchar( ' ' );
361			}
362			putchar( '.' );
363			i -= ( prev / 1024 );
364			}
365			fflush( stdout );
366			}
367			}
368
369			if( axel->message )
370			{
371			if(conf->alternate_output==1)
372			{
373			/* clreol-simulation */
374			putchar( '\r' );
375			for( i = 0; i < 79; i++ ) /* linewidth known? */
376			putchar( ' ' );
377			putchar( '\r' );
378			}
379			else
380			{
381			putchar( '\n' );
382			}
383			print_messages( axel );
384			if( !axel->ready )
385			{
386			if(conf->alternate_output!=1)
387			print_commas( axel->bytes_done );
388			else
389			print_alternate_output(axel);
390			}
391			}
392			else if( axel->ready )
393			{
394			putchar( '\n' );
395			}
396			}
397
398			strcpy( string + MAX_STRING / 2,
399			size_human( axel->bytes_done - axel->start_byte ) );
400
401			printf( _("\nDownloaded %s in %s. (%.2f KB/s)\n"),
402			string + MAX_STRING / 2,
403			time_human( gettime() - axel->start_time ),
404			(double) axel->bytes_per_second / 1024 );
405
406			i = axel->ready ? 0 : 2;
407
408			axel_close( axel );
409
410			return( i );
411			}
412
413			/* SIGINT/SIGTERM handler */
414			void stop( int signal )
415			{
416			run = 0;
417			}
418
419			/* Convert a number of bytes to a human-readable form */
420	appaji-guest	25	char *size_human( long long int value )
421	appaji-guest	2	{
422			if( value == 1 )
423	appaji-guest	25	sprintf( string, _("%lld byte"), value );
424	appaji-guest	2	else if( value < 1024 )
425	appaji-guest	25	sprintf( string, _("%lld bytes"), value );
426	appaji-guest	2	else if( value < 10485760 )
427			sprintf( string, _("%.1f kilobytes"), (float) value / 1024 );
428			else
429			sprintf( string, _("%.1f megabytes"), (float) value / 1048576 );
430
431			return( string );
432			}
433
434			/* Convert a number of seconds to a human-readable form */
435			char *time_human( int value )
436			{
437			if( value == 1 )
438			sprintf( string, _("%i second"), value );
439			else if( value < 60 )
440			sprintf( string, _("%i seconds"), value );
441			else if( value < 3600 )
442			sprintf( string, _("%i:%02i seconds"), value / 60, value % 60 );
443			else
444			sprintf( string, _("%i:%02i:%02i seconds"), value / 3600, ( value / 60 ) % 60, value % 60 );
445
446			return( string );
447			}
448
449			/* Part of the infamous wget-like interface. Just put it in a function
450			because I need it quite often.. */
451	appaji-guest	25	void print_commas( long long int bytes_done )
452	appaji-guest	2	{
453			int i, j;
454
455			printf( " " );
456			j = ( bytes_done / 1024 ) % 50;
457			if( j == 0 ) j = 50;
458			for( i = 0; i < j; i ++ )
459			{
460			if( ( i % 10 ) == 0 )
461			putchar( ' ' );
462			putchar( ',' );
463			}
464			fflush( stdout );
465			}
466
467			static void print_alternate_output(axel_t *axel)
468			{
469	appaji-guest	25	long long int done=axel->bytes_done;
470			long long int total=axel->size;
471	appaji-guest	2	int i,j=0;
472			double now = gettime();
473
474			printf("\r[%3ld%%] [", min(100,(long)(done*100./total+.5) ) );
475
476			for(i=0;i<axel->conf->num_connections;i++)
477			{
478			for(;j<((double)axel->conn[i].currentbyte/(total+1)*50)-1;j++)
479			putchar('.');
480
481			if(axel->conn[i].currentbyte<axel->conn[i].lastbyte)
482			{
483			if(now <= axel->conn[i].last_transfer + axel->conf->connection_timeout/2 )
484			putchar(i+'0');
485			else
486			putchar('#');
487			} else
488			putchar('.');
489
490			j++;
491
492			for(;j<((double)axel->conn[i].lastbyte/(total+1)*50);j++)
493			putchar(' ');
494			}
495
496			printf( "] [%6.1fKB/s]", (double) axel->bytes_per_second / 1024 );
497
498			if(done<total)
499			{
500			int seconds,minutes,hours,days;
501			seconds=axel->finish_time - now;
502			minutes=seconds/60;seconds-=minutes*60;
503			hours=minutes/60;minutes-=hours*60;
504			days=hours/24;hours-=days*24;
505			if(days)
506			printf(" [%2dd%2d]",days,hours);
507			else if(hours)
508			printf(" [%2dh%02d]",hours,minutes);
509			else
510			printf(" [%02d:%02d]",minutes,seconds);
511			}
512
513			fflush( stdout );
514			}
515
516			void print_help()
517			{
518			#ifdef NOGETOPTLONG
519			printf( _("Usage: axel [options] url1 [url2] [url...]\n"
520			"\n"
521			"-s x\tSpecify maximum speed (bytes per second)\n"
522			"-n x\tSpecify maximum number of connections\n"
523			"-o f\tSpecify local output file\n"
524			"-S [x]\tSearch for mirrors and download from x servers\n"
525	appaji-guest	27	"-H x\tAdd header string\n"
526	appaji-guest	2	"-N\tJust don't use any proxy server\n"
527			"-q\tLeave stdout alone\n"
528			"-v\tMore status information\n"
529			"-a\tAlternate progress indicator\n"
530			"-h\tThis information\n"
531			"-V\tVersion information\n"
532			"\n"
533	appaji-guest	20	"Visit http://axel.alioth.debian.org/ to report bugs\n") );
534	appaji-guest	2	#else
535			printf( _("Usage: axel [options] url1 [url2] [url...]\n"
536			"\n"
537			"--max-speed=x\t\t-s x\tSpecify maximum speed (bytes per second)\n"
538			"--num-connections=x\t-n x\tSpecify maximum number of connections\n"
539			"--output=f\t\t-o f\tSpecify local output file\n"
540			"--search[=x]\t\t-S [x]\tSearch for mirrors and download from x servers\n"
541	appaji-guest	27	"--header=x\t\t-H x\tAdd header string\n"
542	appaji-guest	2	"--no-proxy\t\t-N\tJust don't use any proxy server\n"
543			"--quiet\t\t\t-q\tLeave stdout alone\n"
544			"--verbose\t\t-v\tMore status information\n"
545			"--alternate\t\t-a\tAlternate progress indicator\n"
546			"--help\t\t\t-h\tThis information\n"
547			"--version\t\t-V\tVersion information\n"
548			"\n"
549	appaji-guest	20	"Visit http://axel.alioth.debian.org/ to report bugs\n") );
550	appaji-guest	2	#endif
551			}
552
553			void print_version()
554			{
555			printf( _("Axel version %s (%s)\n"), AXEL_VERSION_STRING, ARCH );
556			printf( "\nCopyright 2001-2002 Wilmer van der Gaast.\n" );
557			}
558
559			/* Print any message in the axel structure */
560			void print_messages( axel_t *axel )
561			{
562			message_t *m;
563
564			while( axel->message )
565			{
566			printf( "%s\n", axel->message->text );
567			m = axel->message;
568			axel->message = axel->message->next;
569			free( m );
570			}
571			}