00001
00002
00003
00004
00005
00006
00007
00008
00009
00010
00011
00012
00013
00014
00015
00016
00017
00018
00019
00020
00021
00022
00023
00024
00025
00026
00027
00028
00029
00030
00031
00032
00033
00034
00035
00036
00037
00038
00039
00040
00041
00042
00043
00044
00045
00046
00047
00048 #include <stdlib.h>
00049 #include <string.h>
00050 #include <unistd.h>
00051 #include <time.h>
00052 #include <stdarg.h>
00053 #include <sys/types.h>
00054 #include "glocale.h"
00055 #include "gis.h"
00056
00057 #define MSG 0
00058 #define WARN 1
00059 #define ERR 2
00060
00061
00062 static int (*ext_error)() = 0;
00063 static int no_warn = 0;
00064 static int no_sleep = 1;
00065 static int message_id = 1;
00066
00067 extern char *getenv();
00068 static int print_word ( FILE *,char **,int *,int);
00069 static void print_sentence ( FILE *, int type, char *);
00070 static int print_error(char *,int);
00071 static int mail_msg (char *,int);
00072 static int write_error(char *, int,char *,long,char *);
00073 static int log_error (char *,int);
00074
00080 void G_message (char *msg,...)
00081 {
00082 char buffer[2000];
00083 va_list ap;
00084
00085 va_start(ap, msg);
00086 vsprintf(buffer,msg,ap);
00087 va_end(ap);
00088
00089 print_error (buffer,MSG);
00090 }
00091
00092 int G_fatal_error ( char *msg,...)
00093 {
00094 char buffer[2000];
00095 va_list ap;
00096
00097 va_start(ap,msg);
00098 vsprintf(buffer,msg,ap);
00099 va_end(ap);
00100
00101 print_error (buffer,ERR);
00102
00103 if ( ext_error ) return 0;
00104
00105 exit (1);
00106 }
00107
00108 int G_warning ( char *msg, ...)
00109 {
00110 char buffer[2000];
00111 va_list ap;
00112
00113 if (no_warn) return 0;
00114
00115 va_start(ap,msg);
00116 vsprintf(buffer,msg,ap);
00117 va_end(ap);
00118 print_error (buffer,WARN);
00119
00120 return 0;
00121 }
00122
00123 int G_suppress_warnings (int flag)
00124 {
00125 int prev;
00126
00127 prev = no_warn;
00128 no_warn = flag;
00129 return prev;
00130 }
00131
00132 int G_sleep_on_error (int flag)
00133 {
00134 int prev;
00135
00136 prev = !no_sleep;
00137 no_sleep = !flag;
00138 return prev;
00139 }
00140
00141 int G_set_error_routine ( int (*error_routine)())
00142 {
00143 ext_error = error_routine;
00144 return 0;
00145 }
00146
00147 int G_unset_error_routine ()
00148 {
00149 ext_error = 0;
00150
00151 return 0;
00152 }
00153
00154
00155 static int print_error(char *msg,int type)
00156 {
00157 static char *prefix_std[3];
00158 int fatal, format;
00159
00160 if ( !prefix_std[0] ) {
00161 prefix_std[0] = "";
00162 prefix_std[1] = _("WARNING: ");
00163 prefix_std[2] = _("ERROR: ");
00164 }
00165
00166 if ( type == ERR )
00167 fatal = 1;
00168 else
00169 fatal = 0;
00170
00171 if ( (type == WARN || type == ERR) && ext_error) {
00172 ext_error (msg, fatal);
00173 } else {
00174 char *w;
00175 int len, lead;
00176
00177 format = G_info_format();
00178
00179 if ( format == G_INFO_FORMAT_STANDARD ) {
00180 if ( type == WARN || type == ERR ) {
00181 log_error (msg, fatal);
00182 }
00183
00184 fprintf(stderr,"%s", prefix_std[type] );
00185 len = lead = strlen ( prefix_std[type] );
00186 w = msg;
00187
00188 while (print_word(stderr,&w,&len,lead))
00189 ;
00190
00191 if ( (type != MSG) && isatty(fileno(stderr))) {
00192 fprintf(stderr,"\7");
00193 fflush (stderr);
00194 if (!no_sleep)
00195 sleep (5);
00196 } else if ( (type == WARN || type == ERR) && getenv("GRASS_ERROR_MAIL")) {
00197 mail_msg (msg, fatal);
00198 }
00199 } else {
00200 print_sentence ( stderr, type, msg );
00201 }
00202 }
00203
00204 return 0;
00205 }
00206
00207 static int log_error ( char *msg,int fatal)
00208 {
00209 FILE *pwd;
00210 char cwd[1024];
00211 long clock;
00212 char *home;
00213 char *gisbase;
00214
00215
00216 clock = time(0);
00217
00218
00219 sprintf(cwd,"?");
00220 if ( (pwd = G_popen ("pwd","r")) )
00221 {
00222 if (fgets(cwd, sizeof cwd, pwd))
00223 {
00224 char *c;
00225
00226 for (c = cwd; *c; c++)
00227 if (*c == '\n')
00228 *c = 0;
00229 }
00230 G_pclose (pwd);
00231 }
00232
00233
00234 if( (gisbase = G_gisbase ()) )
00235 write_error (msg, fatal, gisbase, clock, cwd);
00236 home = G__home();
00237 if (home && gisbase && strcmp (home, gisbase))
00238 write_error (msg, fatal, home, clock, cwd);
00239
00240
00241 return 0;
00242 }
00243
00244 static int write_error ( char *msg, int fatal, char *dir, long clock, char *cwd)
00245 {
00246 char logfile[1000];
00247 FILE *log;
00248 char *ctime();
00249
00250 if (dir == 0 || *dir == 0)
00251 return 1;
00252 sprintf (logfile, "%s/GIS_ERROR_LOG", dir) ;
00253
00254
00255 if (access (logfile, 0) != 0)
00256 return 1;
00257
00258 log = fopen (logfile,"a");
00259 if (!log)
00260 return 1;
00261
00262 fprintf(log,"-------------------------------------\n");
00263 fprintf(log,"%-10s %s\n", "program:", G_program_name());
00264 fprintf(log,"%-10s %s\n", "user:", G_whoami());
00265 fprintf(log,"%-10s %s\n", "cwd:", cwd);
00266 fprintf(log,"%-10s %s\n", "date:", ctime(&clock));
00267 fprintf(log,"%-10s %s\n", fatal?"error:":"warning:", msg);
00268 fprintf(log,"-------------------------------------\n");
00269
00270 fclose (log);
00271
00272 return 0;
00273 }
00274
00275 static int mail_msg ( char *msg,int fatal)
00276 {
00277 FILE *mail;
00278 char command[64];
00279 char *user;
00280
00281 user = G_whoami();
00282 if (user == 0 || *user == 0)
00283 return 1;
00284
00285 sprintf (command, "mail '%s'", G_whoami());
00286 if ( (mail = G_popen (command, "w")) )
00287 {
00288 fprintf(mail,"GIS %s: %s\n",fatal?"ERROR":"WARNING",msg);
00289 G_pclose (mail);
00290 }
00291
00292 return 0;
00293 }
00294
00295
00296 static int print_word ( FILE *fd, char **word, int *len, int lead)
00297 {
00298 int wlen, start, totlen;
00299 int nl;
00300 char *w,*b;
00301
00302 start = *len;
00303 w = *word;
00304
00305 nl = 0;
00306 while (*w == ' ' || *w == '\t' || *w == '\n')
00307 if(*w++ == '\n')
00308 nl++;
00309
00310 wlen = 0;
00311 for (b = w; *b != 0 && *b != ' ' && *b != '\t' && *b != '\n'; b++)
00312 wlen++;
00313
00314 if (wlen == 0)
00315 {
00316 fprintf (fd, "\n");
00317 return 0;
00318 }
00319
00320 if ( start > lead ) {
00321 totlen = start + wlen + 1;
00322 } else {
00323 totlen = start + wlen;
00324 }
00325
00326 if ( nl != 0 || totlen > 75)
00327 {
00328 while (--nl > 0)
00329 fprintf (fd, "\n");
00330 fprintf (fd, "\n%*s",lead,"");
00331 start = lead;
00332 }
00333
00334 if ( start > lead ) {
00335 fprintf (fd, " ");
00336 start++;
00337 }
00338
00339 *len = start + wlen;
00340
00341 while (wlen-- > 0)
00342 fprintf (fd, "%c", *w++);
00343
00344 *word = w;
00345 return 1;
00346 }
00347
00348
00349 static void print_sentence ( FILE *fd, int type, char *msg )
00350 {
00351 char *start;
00352 static char prefix[100];
00353
00354 switch ( type ) {
00355 case MSG:
00356 sprintf ( prefix, "GRASS_INFO_MESSAGE(%d,%d): ", (int)getpid(), message_id );
00357 break;
00358 case WARN:
00359 sprintf ( prefix, "GRASS_INFO_WARNING(%d,%d): ", (int)getpid(), message_id );
00360 break;
00361 case ERR:
00362 sprintf ( prefix, "GRASS_INFO_ERROR(%d,%d): ", (int)getpid(), message_id );
00363 break;
00364 }
00365
00366 start = msg;
00367
00368 fprintf(stderr, "\n" );
00369 while ( *start != '\0' ) {
00370 fprintf ( fd, "%s", prefix);
00371
00372 while ( *start != '\0' ) {
00373 fprintf (fd, "%c", *start++);
00374
00375 if ( *start == '\n' ) {
00376 *start++;
00377 break;
00378 }
00379 }
00380
00381 fprintf (fd, "\n" );
00382 }
00383 fprintf(stderr, "GRASS_INFO_END(%d,%d)\n", (int)getpid(), message_id );
00384 message_id++;
00385 }
00386
00387 int G_info_format ( void )
00388 {
00389 static int grass_info_format = -1;
00390 char *fstr;
00391
00392 if ( grass_info_format < 0) {
00393 fstr = getenv( "GRASS_MESSAGE_FORMAT" );
00394
00395 if ( fstr && G_strcasecmp(fstr,"gui") == 0 )
00396 grass_info_format = G_INFO_FORMAT_GUI;
00397 else
00398 grass_info_format = G_INFO_FORMAT_STANDARD;
00399 }
00400
00401 return grass_info_format;
00402 }
00403