source: owl.c @ b4db911

barnowl_perlaimdebianowlrelease-1.4release-1.5release-1.6release-1.7release-1.8release-1.9
Last change on this file since b4db911 was ec6ff52, checked in by James M. Kretchmar <kretch@mit.edu>, 18 years ago
Added the 'show errors' command Added the error queue Converted most makemsg's to error instead Started writing an internal VT style (far from done)
  • Property mode set to 100644
File size: 17.1 KB
Line 
1/*
2 * Copyright 2001 Massachusetts Institute of Technology
3 *
4 * Permission to use, copy, modify, and distribute this software and
5 * its documentation for any purpose and without fee is hereby
6 * granted, provided that the above copyright notice and this
7 * permission notice appear in all copies and in supporting
8 * documentation.  No representation is made about the suitability of
9 * this software for any purpose.  It is provided "as is" without
10 * express or implied warranty.
11 */
12
13#include <stdio.h>
14#include <unistd.h>
15#include <stdlib.h>
16#include <string.h>
17#include <signal.h>
18#include <time.h>
19#include <sys/param.h>
20#include <sys/types.h>
21#include <sys/stat.h>
22#include "owl.h"
23
24static const char fileIdent[] = "$Id$";
25
26owl_global g;
27
28int main(int argc, char **argv, char **env) {
29  WINDOW *recwin, *sepwin, *typwin, *msgwin;
30  owl_editwin *tw;
31  owl_popwin *pw;
32  int j, ret, initialsubs, debug, argcsave, followlast;
33  int newmsgs, zpendcount, nexttimediff;
34  struct sigaction sigact;
35  char *configfile, *tty, *perlout, *perlerr, **argvsave, buff[LINE], startupmsg[LINE];
36  owl_filter *f;
37  owl_style *s;
38  time_t nexttime, now;
39  struct tm *today;
40  char *dir;
41#ifdef HAVE_LIBZEPHYR
42  ZNotice_t notice;
43#endif
44
45  argcsave=argc;
46  argvsave=argv;
47  configfile=NULL;
48  tty=NULL;
49  debug=0;
50  initialsubs=1;
51  if (argc>0) {
52    argv++;
53    argc--;
54  }
55  while (argc>0) {
56    if (!strcmp(argv[0], "-n")) {
57      initialsubs=0;
58      argv++;
59      argc--;
60    } else if (!strcmp(argv[0], "-c")) {
61      if (argc<2) {
62        fprintf(stderr, "Too few arguments to -c\n");
63        usage();
64        exit(1);
65      }
66      configfile=argv[1];
67      argv+=2;
68      argc-=2;
69    } else if (!strcmp(argv[0], "-t")) {
70      if (argc<2) {
71        fprintf(stderr, "Too few arguments to -t\n");
72        usage();
73        exit(1);
74      }
75      tty=argv[1];
76      argv+=2;
77      argc-=2;
78    } else if (!strcmp(argv[0], "-d")) {
79      debug=1;
80      argv++;
81      argc--;
82    } else if (!strcmp(argv[0], "-v")) {
83      printf("This is owl version %s\n", OWL_VERSION_STRING);
84      exit(0);
85    } else {
86      fprintf(stderr, "Uknown argument\n");
87      usage();       
88      exit(1);
89    }
90  }
91
92#ifdef HAVE_LIBZEPHYR
93  /* zephyr init */
94  ret=owl_zephyr_initialize();
95  if (ret) {
96    exit(1);
97  }
98#endif
99 
100  /* signal handler */
101  sigact.sa_handler=sig_handler;
102  sigemptyset(&sigact.sa_mask);
103  sigact.sa_flags=0;
104  sigaction(SIGWINCH, &sigact, NULL);
105  sigaction(SIGALRM, &sigact, NULL);
106
107  /* screen init */
108  sprintf(buff, "TERMINFO=%s", TERMINFO);
109  putenv(buff);
110  initscr();
111  start_color();
112#ifdef HAVE_USE_DEFAULT_COLORS
113  use_default_colors();
114#endif
115  raw();
116  noecho();
117
118  /* define simple color pairs */
119  if (has_colors() && COLOR_PAIRS>=8) {
120    init_pair(OWL_COLOR_BLACK,   COLOR_BLACK,   -1);
121    init_pair(OWL_COLOR_RED,     COLOR_RED,     -1);
122    init_pair(OWL_COLOR_GREEN,   COLOR_GREEN,   -1);
123    init_pair(OWL_COLOR_YELLOW,  COLOR_YELLOW,  -1);
124    init_pair(OWL_COLOR_BLUE,    COLOR_BLUE,    -1);
125    init_pair(OWL_COLOR_MAGENTA, COLOR_MAGENTA, -1);
126    init_pair(OWL_COLOR_CYAN,    COLOR_CYAN,    -1);
127    init_pair(OWL_COLOR_WHITE,   COLOR_WHITE,   -1);
128  }
129
130  /* owl global init */
131  owl_global_init(&g);
132  if (debug) owl_global_set_debug_on(&g);
133  owl_global_set_startupargs(&g, argcsave, argvsave);
134#ifdef HAVE_LIBZEPHYR
135  owl_global_set_havezephyr(&g);
136#endif
137  owl_global_set_haveaim(&g);
138 
139  /* create the owl directory, in case it does not exist */
140  dir=owl_sprintf("%s/%s", owl_global_get_homedir(&g), OWL_CONFIG_DIR);
141  mkdir(dir, S_IRWXU);
142  owl_free(dir);
143
144  /* set the tty, either from the command line, or by figuring it out */
145  if (tty) {
146    owl_global_set_tty(&g, tty);
147  } else {
148    owl_global_set_tty(&g, owl_util_get_default_tty());
149  }
150
151  /* setup the built-in styles */
152  s=owl_malloc(sizeof(owl_style));
153  owl_style_create_internal(s, "default", &owl_stylefunc_default,
154                            "Default message formatting");
155  owl_global_add_style(&g, s);
156
157  s=owl_malloc(sizeof(owl_style));
158  owl_style_create_internal(s, "basic", &owl_stylefunc_basic,
159                            "Basic message formatting.");
160  owl_global_add_style(&g, s);
161#if 0
162  s=owl_malloc(sizeof(owl_style));
163  owl_style_create_internal(s, "vt", &owl_stylefunc_vt,
164                            "VT message formatting.");
165  owl_global_add_style(&g, s);
166#endif
167  s=owl_malloc(sizeof(owl_style));
168  owl_style_create_internal(s, "oneline", &owl_stylefunc_oneline,
169                            "Formats for one-line-per-message");
170  owl_global_add_style(&g, s);
171
172  /* setup the default filters */
173  /* the personal filter will need to change again when AIM chat's are
174   *  included.  Also, there should be an %aimme% */
175  f=owl_malloc(sizeof(owl_filter));
176  owl_filter_init_fromstring(f, "personal", "( type ^zephyr$ "
177                             "and class ^message$ and instance ^personal$ "
178                             "and ( recipient ^%me%$ or sender ^%me%$ ) ) "
179                             "or ( type ^aim$ and login ^none$ )");
180  owl_list_append_element(owl_global_get_filterlist(&g), f);
181
182  f=owl_malloc(sizeof(owl_filter));
183  owl_filter_init_fromstring(f, "trash", "class ^mail$ or opcode ^ping$ or type ^admin$ or ( not login ^none$ )");
184  owl_list_append_element(owl_global_get_filterlist(&g), f);
185
186  f=owl_malloc(sizeof(owl_filter));
187  owl_filter_init_fromstring(f, "ping", "opcode ^ping$");
188  owl_list_append_element(owl_global_get_filterlist(&g), f);
189
190  f=owl_malloc(sizeof(owl_filter));
191  owl_filter_init_fromstring(f, "auto", "opcode ^auto$");
192  owl_list_append_element(owl_global_get_filterlist(&g), f);
193
194  f=owl_malloc(sizeof(owl_filter));
195  owl_filter_init_fromstring(f, "login", "not login ^none$");
196  owl_list_append_element(owl_global_get_filterlist(&g), f);
197
198  f=owl_malloc(sizeof(owl_filter));
199  owl_filter_init_fromstring(f, "reply-lockout", "class ^noc or class ^mail$");
200  owl_list_append_element(owl_global_get_filterlist(&g), f);
201
202  f=owl_malloc(sizeof(owl_filter));
203  owl_filter_init_fromstring(f, "out", "direction ^out$");
204  owl_list_append_element(owl_global_get_filterlist(&g), f);
205
206  f=owl_malloc(sizeof(owl_filter));
207  owl_filter_init_fromstring(f, "aim", "type ^aim$");
208  owl_list_append_element(owl_global_get_filterlist(&g), f);
209
210  f=owl_malloc(sizeof(owl_filter));
211  owl_filter_init_fromstring(f, "zephyr", "type ^zephyr$");
212  owl_list_append_element(owl_global_get_filterlist(&g), f);
213
214  f=owl_malloc(sizeof(owl_filter));
215  owl_filter_init_fromstring(f, "none", "false");
216  owl_list_append_element(owl_global_get_filterlist(&g), f);
217
218  f=owl_malloc(sizeof(owl_filter));
219  owl_filter_init_fromstring(f, "all", "true");
220  owl_list_append_element(owl_global_get_filterlist(&g), f);
221
222  /* set the current view */
223  owl_view_create(owl_global_get_current_view(&g), "main", f, owl_global_get_style_by_name(&g, "default"));
224
225  /* AIM init */
226  owl_aim_init();
227
228  /* process the startup file */
229  owl_function_source(NULL);
230
231  /* read the config file */
232  owl_context_set_readconfig(owl_global_get_context(&g));
233  perlerr=owl_perlconfig_readconfig(configfile);
234  if (perlerr) {
235    endwin();
236    fprintf(stderr, "\nError parsing configfile: %s\n", perlerr);
237    exit(1);
238  }
239
240  /* if the config defines a formatting function, add 'perl' as a style */
241  if (owl_global_is_config_format(&g)) {
242    owl_function_debugmsg("Found perl formatting");
243    s=owl_malloc(sizeof(owl_style));
244    owl_style_create_perl(s, "perl", "owl::_format_msg_legacy_wrap",
245                          "User-defined perl style that calls owl::format_msg"
246                          "with legacy global variable support");
247    owl_global_add_style(&g, s);
248    owl_global_set_default_style(&g, "perl");
249  }
250
251  /* execute the startup function in the configfile */
252  perlout = owl_perlconfig_execute("owl::startup();");
253  if (perlout) owl_free(perlout);
254  owl_function_debugmsg("-- Owl Startup --");
255 
256  /* hold on to the window names for convenience */
257  msgwin=owl_global_get_curs_msgwin(&g);
258  recwin=owl_global_get_curs_recwin(&g);
259  sepwin=owl_global_get_curs_sepwin(&g);
260  typwin=owl_global_get_curs_typwin(&g);
261  tw=owl_global_get_typwin(&g);
262
263  wrefresh(sepwin);
264
265  /* load zephyr subs */
266  if (initialsubs) {
267    /* load normal subscriptions */
268    ret=owl_zephyr_loadsubs(NULL);
269    if (ret!=-1) {
270      owl_global_add_userclue(&g, OWL_USERCLUE_CLASSES);
271    }
272
273    /* load login subscriptions */
274    if (owl_global_is_loginsubs(&g)) {
275      owl_function_loadloginsubs(NULL);
276    }
277  }
278
279  /* set the startup and default style, based on userclue and presence of a
280   * formatting function */
281  if (owl_global_is_config_format(&g)) {
282    owl_global_set_default_style(&g, "perl");
283  } else if (owl_global_is_userclue(&g, OWL_USERCLUE_CLASSES)) {
284    owl_global_set_default_style(&g, "default");
285  } else {
286    owl_global_set_default_style(&g, "basic");
287  }
288
289  /* zlog in if we need to */
290  if (owl_global_is_startuplogin(&g)) {
291    owl_zephyr_zlog_in();
292  }
293
294  owl_view_set_style(owl_global_get_current_view(&g), 
295                     owl_global_get_style_by_name(&g, owl_global_get_default_style(&g)));   
296
297  /* welcome message */
298  strcpy(startupmsg, "-------------------------------------------------------------------------\n");
299  sprintf(buff,      "Welcome to Owl version %s.  Press 'h' for on-line help. \n", OWL_VERSION_STRING);
300  strcat(startupmsg, buff);
301  strcat(startupmsg, "                                                                         \n");
302  strcat(startupmsg, "If you would like to receive release announcements about owl you can join \n");
303  strcat(startupmsg, "the owl-users@mit.edu mailing list.  MIT users can add themselves,       \n");
304  strcat(startupmsg, "otherwise send a request to owner-owl-users@mit.edu.               ^ ^   \n");
305  strcat(startupmsg, "                                                                   OvO   \n");
306  strcat(startupmsg, "Please report any bugs or suggestions to bug-owl@mit.edu          (   )  \n");
307  strcat(startupmsg, "-------------------------------------------------------------------m-m---\n");
308  owl_function_adminmsg("", startupmsg);
309  sepbar(NULL);
310 
311  owl_context_set_interactive(owl_global_get_context(&g));
312
313  nexttimediff=10;
314  nexttime=time(NULL);
315
316  /* main loop */
317  while (1) {
318
319    /* if a resize has been scheduled, deal with it */
320    owl_global_resize(&g, 0, 0);
321
322    /* these are here in case a resize changes the windows */
323    msgwin=owl_global_get_curs_msgwin(&g);
324    recwin=owl_global_get_curs_recwin(&g);
325    sepwin=owl_global_get_curs_sepwin(&g);
326    typwin=owl_global_get_curs_typwin(&g);
327
328    followlast=owl_global_should_followlast(&g);
329   
330    /* Do AIM stuff */
331    if (owl_global_is_doaimevents(&g)) {
332      owl_aim_process_events();
333
334      if (owl_global_is_aimloggedin(&g)) {
335        if (owl_timer_is_expired(owl_global_get_aim_buddyinfo_timer(&g))) {
336          /* owl_buddylist_request_idletimes(owl_global_get_buddylist(&g)); */
337          owl_timer_reset(owl_global_get_aim_buddyinfo_timer(&g));
338        }
339      }
340    }
341
342    /* little hack */
343    now=time(NULL);
344    today=localtime(&now);
345    if (today->tm_mon==9 && today->tm_mday==31 && owl_global_get_runtime(&g)<600) {
346      if (time(NULL)>nexttime) {
347        if (nexttimediff==1) {
348          nexttimediff=10;
349        } else {
350          nexttimediff=1;
351        }
352        nexttime+=nexttimediff;
353        owl_hack_animate();
354      }
355    }
356
357    /* Grab incoming messages. */
358    newmsgs=0;
359    zpendcount=0;
360    while(owl_zephyr_zpending() || owl_global_messagequeue_pending(&g)) {
361#ifdef HAVE_LIBZEPHYR
362      struct sockaddr_in from;
363#endif
364      owl_message *m=NULL;
365      owl_filter *f;
366
367      /* grab the new message, stick it in 'm' */
368      if (owl_zephyr_zpending()) {
369#ifdef HAVE_LIBZEPHYR
370        /* grab a zephyr notice, but if we've done 20 without stopping,
371           take a break to process keystrokes etc. */
372        if (zpendcount>20) break;
373        ZReceiveNotice(&notice, &from);
374        zpendcount++;
375       
376        /* is this an ack from a zephyr we sent? */
377        if (owl_zephyr_notice_is_ack(&notice)) {
378          owl_zephyr_handle_ack(&notice);
379          continue;
380        }
381       
382        /* if it's a ping and we're not viewing pings then skip it */
383        if (!owl_global_is_rxping(&g) && !strcasecmp(notice.z_opcode, "ping")) {
384          continue;
385        }
386
387        /* create the new message */
388        m=owl_malloc(sizeof(owl_message));
389        owl_message_create_from_znotice(m, &notice);
390#endif
391      } else if (owl_global_messagequeue_pending(&g)) {
392        m=owl_global_messageuque_popmsg(&g);
393      }
394     
395      /* if this message it on the puntlist, nuke it and continue */
396      if (owl_global_message_is_puntable(&g, m)) {
397        owl_message_free(m);
398        continue;
399      }
400
401      /* otherwise add it to the global list */
402      owl_messagelist_append_element(owl_global_get_msglist(&g), m);
403      newmsgs=1;
404
405      /* let the config know the new message has been received */
406      owl_perlconfig_getmsg(m, 0, NULL);
407
408      /* add it to any necessary views; right now there's only the current view */
409      owl_view_consider_message(owl_global_get_current_view(&g), m);
410
411      /* do we need to autoreply? */
412      if (owl_message_is_type_zephyr(m) && owl_global_is_zaway(&g)) {
413        owl_zephyr_zaway(m);
414      }
415
416      /* ring the bell if it's a personal */
417      if (owl_global_is_personalbell(&g) &&
418          !owl_message_is_loginout(m) &&
419          !owl_message_is_mail(m) &&
420          owl_message_is_private(m)) {
421        owl_function_beep();
422      }
423
424      /* if it matches the alert filter, do the alert action */
425      f=owl_global_get_filter(&g, owl_global_get_alert_filter(&g));
426      if (f && owl_filter_message_match(f, m)) {
427        owl_function_command(owl_global_get_alert_action(&g));
428      }
429
430      /* check for burning ears message */
431      /* this is an unsupported feature */
432      if (owl_global_is_burningears(&g) && owl_message_is_burningears(m)) {
433        char *buff;
434        buff = owl_sprintf("@i(Burning ears message on class %s)", owl_message_get_class(m));
435        owl_function_adminmsg(buff, "");
436        owl_free(buff);
437        owl_function_beep();
438      }
439
440      /* log the message if we need to */
441      if (owl_global_is_logging(&g) || owl_global_is_classlogging(&g)) {
442        owl_log_incoming(m);
443      }
444    }
445
446    /* follow the last message if we're supposed to */
447    if (newmsgs && followlast) {
448      owl_function_lastmsg_noredisplay();
449    }
450
451    /* do the newmsgproc thing */
452    if (newmsgs) {
453      owl_function_do_newmsgproc();
454    }
455   
456    /* redisplay if necessary */
457    /* this should be optimized to not run if the new messages won't be displayed */
458    if (newmsgs) {
459      owl_mainwin_redisplay(owl_global_get_mainwin(&g));
460      sepbar(NULL);
461      if (owl_popwin_is_active(owl_global_get_popwin(&g))) {
462        owl_popwin_refresh(owl_global_get_popwin(&g));
463        /* TODO: this is a broken kludge */
464        if (owl_global_get_viewwin(&g)) {
465          owl_viewwin_redisplay(owl_global_get_viewwin(&g), 0);
466        }
467      }
468      owl_global_set_needrefresh(&g);
469    }
470
471    /* if a popwin just came up, refresh it */
472    pw=owl_global_get_popwin(&g);
473    if (owl_popwin_is_active(pw) && owl_popwin_needs_first_refresh(pw)) {
474      owl_popwin_refresh(pw);
475      owl_popwin_no_needs_first_refresh(pw);
476      owl_global_set_needrefresh(&g);
477      /* TODO: this is a broken kludge */
478      if (owl_global_get_viewwin(&g)) {
479        owl_viewwin_redisplay(owl_global_get_viewwin(&g), 0);
480      }
481    }
482
483    /* update the terminal if we need to */
484    if (owl_global_is_needrefresh(&g)) {
485      /* leave the cursor in the appropriate window */
486      if (owl_global_is_typwin_active(&g)) {
487        owl_function_set_cursor(typwin);
488      } else {
489        owl_function_set_cursor(sepwin);
490      }
491      doupdate();
492      owl_global_set_noneedrefresh(&g);
493    }
494
495    /* Handle all keypresses.  If no key has been pressed, sleep for a
496     * little bit, but otherwise do not.  This lets input be grabbed
497     * as quickly as possbile */
498    j=wgetch(typwin);
499    if (j==ERR) {
500      usleep(10);
501      continue;
502    }
503    /* find and activate the current keymap.
504     * TODO: this should really get fixed by activating
505     * keymaps as we switch between windows...
506     */
507    if (pw && owl_popwin_is_active(pw) && owl_global_get_viewwin(&g)) {
508      owl_context_set_popless(owl_global_get_context(&g), 
509                              owl_global_get_viewwin(&g));
510      owl_function_activate_keymap("popless");
511    } else if (owl_global_is_typwin_active(&g) 
512               && owl_editwin_get_style(tw)==OWL_EDITWIN_STYLE_ONELINE) {
513      /*
514      owl_context_set_editline(owl_global_get_context(&g), tw);
515      owl_function_activate_keymap("editline");
516      */
517    } else if (owl_global_is_typwin_active(&g) 
518               && owl_editwin_get_style(tw)==OWL_EDITWIN_STYLE_MULTILINE) {
519      owl_context_set_editmulti(owl_global_get_context(&g), tw);
520      owl_function_activate_keymap("editmulti");
521    } else {
522      owl_context_set_recv(owl_global_get_context(&g));
523      owl_function_activate_keymap("recv");
524    }
525    /* now actually handle the keypress */
526    ret = owl_keyhandler_process(owl_global_get_keyhandler(&g), j);
527    if (ret!=0 && ret!=1) {
528      owl_function_makemsg("Unable to handle keypress");
529    }
530  }
531}
532
533void sig_handler(int sig) {
534  if (sig==SIGWINCH) {
535    /* we can't inturrupt a malloc here, so it just sets a flag
536     * schedulding a resize for later
537     */
538    owl_function_resize();
539  }
540}
541
542void usage() {
543  fprintf(stderr, "Owl version %s\n", OWL_VERSION_STRING);
544  fprintf(stderr, "Usage: owl [-n] [-d] [-v] [-h] [-c <configfile>] [-t <ttyname>]\n");
545  fprintf(stderr, "  -n      don't load zephyr subscriptions\n");
546  fprintf(stderr, "  -d      enable debugging\n");
547  fprintf(stderr, "  -v      print the Owl version number and exit\n");
548  fprintf(stderr, "  -h      print this help message\n");
549  fprintf(stderr, "  -c      specify an alternate config file\n");
550  fprintf(stderr, "  -t      set the tty name\n");
551}
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