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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
int sat_id_main( const int argc, const char **argv);
void avoid_runaway_process( const int max_time_to_run); /* cgi_func.c */
int get_multipart_form_data( const char *boundary, char *field,
char *buff, char *filename, const size_t max_len);
int main( const int unused_argc, const char **unused_argv)
{
const char *argv[20];
const size_t max_buff_size = 40000; /* room for 500 obs */
char *buff = (char *)malloc( max_buff_size);
char boundary[100], field[30];
const char *temp_obs_filename = "sat_obs.txt";
double search_radius = 4.; /* look 2 degrees for matches */
double motion_cutoff = 0.015; /* up to .015'/s motion discrepancy OK */
double low_speed_cutoff = 0.003; /* anything slower than this is almost */
const int argc = 6; /* certainly not an artsat */
FILE *lock_file = fopen( "lock.txt", "w");
size_t bytes_written = 0;
extern int verbose;
#ifndef _WIN32
extern char **environ;
avoid_runaway_process( 15);
#endif /* _WIN32 */
printf( "Content-type: text/html\n\n");
printf( "<html> <body> <pre>\n");
if( !lock_file)
{
printf( "<p> Server is busy. Try again in a minute or two. </p>");
printf( "<p> Your orbit is very important to us! </p>");
return( 0);
}
fprintf( lock_file, "We're in\n");
#ifndef _WIN32
for( size_t i = 0; environ[i]; i++)
fprintf( lock_file, "%s\n", environ[i]);
#endif
if( !fgets( boundary, sizeof( boundary), stdin))
{
printf( "<p><b> No info read from stdin</b></p>");
printf( "<p>This isn't supposed to happen.</p>");
return( 0);
}
while( get_multipart_form_data( boundary, field, buff, NULL, max_buff_size) >= 0)
{
if( !strcmp( field, "TextArea") || !strcmp( field, "upfile"))
{
if( strlen( buff) > 70)
{
FILE *ofile = fopen( temp_obs_filename,
(bytes_written ? "ab" : "wb"));
bytes_written += fwrite( buff, 1, strlen( buff), ofile);
fclose( ofile);
}
}
if( !strcmp( field, "radius"))
{
const char *verbosity = strchr( buff, 'v');
search_radius = atof( buff);
if( verbosity)
verbose = atoi( verbosity + 1) + 1;
}
if( !strcmp( field, "motion"))
motion_cutoff = atof( buff);
if( !strcmp( field, "low_speed"))
low_speed_cutoff = atof( buff);
}
if( verbose)
printf( "Searching to %f degrees; %u bytes read from input\n",
search_radius, (unsigned)bytes_written);
argv[0] = "sat_id";
argv[1] = temp_obs_filename;
argv[2] = "-t../../tles/tle_list.txt";
sprintf( field, "-r%.2f", search_radius);
argv[3] = field;
sprintf( buff, "-y%f", motion_cutoff);
argv[4] = buff;
sprintf( boundary, "-z%f", low_speed_cutoff);
argv[5] = boundary;
argv[6] = NULL;
sat_id_main( argc, argv);
free( buff);
printf( "</pre> </body> </html>");
return( 0);
}
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