source: owl.c @ cf83b7a

barnowl_perlaimdebianowlrelease-1.4release-1.5release-1.6release-1.7release-1.8release-1.9
Last change on this file since cf83b7a was cf83b7a, checked in by James M. Kretchmar <kretch@mit.edu>, 17 years ago
Started adding code to do question/response stuff
  • Property mode set to 100644
File size: 16.5 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 <zephyr/zephyr.h>
18#include <com_err.h>
19#include <signal.h>
20#include <time.h>
21#include <sys/param.h>
22#include <sys/types.h>
23#include <sys/stat.h>
24#include "owl.h"
25
26static const char fileIdent[] = "$Id$";
27
28owl_global g;
29
30int main(int argc, char **argv, char **env) {
31  WINDOW *recwin, *sepwin, *typwin, *msgwin;
32  owl_editwin *tw;
33  owl_popwin *pw;
34  int j, ret, initialsubs, debug, argcsave, followlast;
35  int newmsgs, zpendcount, nexttimediff;
36  struct sigaction sigact;
37  char *configfile, *tty, *perlout, **argvsave, buff[LINE], startupmsg[LINE];
38  owl_filter *f;
39  owl_style *s;
40  time_t nexttime, now;
41  struct tm *today;
42  char *dir;
43  ZNotice_t notice;
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   
131  /* owl global init */
132  owl_global_init(&g);
133  if (debug) owl_global_set_debug_on(&g);
134  owl_global_set_startupargs(&g, argcsave, argvsave);
135
136  /* create the owl directory, in case it does not exist */
137  dir=owl_sprintf("%s/%s", owl_global_get_homedir(&g), OWL_CONFIG_DIR);
138  mkdir(dir, S_IRWXU);
139  owl_free(dir);
140
141  /* set the tty, either from the command line, or by figuring it out */
142  if (tty) {
143    owl_global_set_tty(&g, tty);
144  } else {
145    owl_global_set_tty(&g, owl_util_get_default_tty());
146  }
147
148  /* setup the built-in styles */
149  s=owl_malloc(sizeof(owl_style));
150  owl_style_create_internal(s, "default", &owl_stylefunc_default);
151  owl_global_add_style(&g, s);
152
153  s=owl_malloc(sizeof(owl_style));
154  owl_style_create_internal(s, "basic", &owl_stylefunc_basic);
155  owl_global_add_style(&g, s);
156
157  s=owl_malloc(sizeof(owl_style));
158  owl_style_create_internal(s, "oneline", &owl_stylefunc_oneline);
159  owl_global_add_style(&g, s);
160
161  /* setup the default filters */
162  /* the personal filter will need to change again when AIM chat's are
163   *  included.  Also, there should be an %aimme% */
164  f=owl_malloc(sizeof(owl_filter));
165  owl_filter_init_fromstring(f, "personal", "( type ^zephyr$ "
166                             "and class ^message$ and instance ^personal$ "
167                             "and ( recipient ^%me%$ or sender ^%me%$ ) ) "
168                             "or ( type ^aim$ and login ^none$ )");
169  owl_list_append_element(owl_global_get_filterlist(&g), f);
170
171  f=owl_malloc(sizeof(owl_filter));
172  owl_filter_init_fromstring(f, "trash", "class ^mail$ or opcode ^ping$ or type ^admin$ or ( not login ^none$ )");
173  owl_list_append_element(owl_global_get_filterlist(&g), f);
174
175  f=owl_malloc(sizeof(owl_filter));
176  owl_filter_init_fromstring(f, "ping", "opcode ^ping$");
177  owl_list_append_element(owl_global_get_filterlist(&g), f);
178
179  f=owl_malloc(sizeof(owl_filter));
180  owl_filter_init_fromstring(f, "auto", "opcode ^auto$");
181  owl_list_append_element(owl_global_get_filterlist(&g), f);
182
183  f=owl_malloc(sizeof(owl_filter));
184  owl_filter_init_fromstring(f, "login", "not login ^none$");
185  owl_list_append_element(owl_global_get_filterlist(&g), f);
186
187  f=owl_malloc(sizeof(owl_filter));
188  owl_filter_init_fromstring(f, "reply-lockout", "class ^noc or class ^mail$");
189  owl_list_append_element(owl_global_get_filterlist(&g), f);
190
191  f=owl_malloc(sizeof(owl_filter));
192  owl_filter_init_fromstring(f, "out", "direction ^out$");
193  owl_list_append_element(owl_global_get_filterlist(&g), f);
194
195  f=owl_malloc(sizeof(owl_filter));
196  owl_filter_init_fromstring(f, "aim", "type ^aim$");
197  owl_list_append_element(owl_global_get_filterlist(&g), f);
198
199  f=owl_malloc(sizeof(owl_filter));
200  owl_filter_init_fromstring(f, "zephyr", "type ^zephyr$");
201  owl_list_append_element(owl_global_get_filterlist(&g), f);
202
203  f=owl_malloc(sizeof(owl_filter));
204  owl_filter_init_fromstring(f, "none", "false");
205  owl_list_append_element(owl_global_get_filterlist(&g), f);
206
207  f=owl_malloc(sizeof(owl_filter));
208  owl_filter_init_fromstring(f, "all", "true");
209  owl_list_append_element(owl_global_get_filterlist(&g), f);
210
211  /* set the current view */
212  owl_view_create(owl_global_get_current_view(&g), "main", f, owl_global_get_style_by_name(&g, "default"));
213
214  /* AIM init */
215  owl_aim_init();
216
217  /* process the startup file */
218  owl_function_execstartup();
219
220  /* read the config file */
221  owl_context_set_readconfig(owl_global_get_context(&g));
222  ret=owl_readconfig(configfile);
223  if (ret) {
224    endwin();
225    printf("\nError parsing configfile\n");
226    exit(1);
227  }
228
229  /* if the config defines a formatting function, add 'perl' as a style */
230  if (owl_global_is_config_format(&g)) {
231    owl_function_debugmsg("Found perl formatting");
232    s=owl_malloc(sizeof(owl_style));
233    owl_style_create_perl(s, "perl", "owl::format_msg");
234    owl_global_add_style(&g, s);
235    owl_global_set_default_style(&g, "perl");
236  }
237
238  /* execute the startup function in the configfile */
239  perlout = owl_config_execute("owl::startup();");
240  if (perlout) owl_free(perlout);
241  owl_function_debugmsg("-- Owl Startup --");
242 
243  /* hold on to the window names for convenience */
244  msgwin=owl_global_get_curs_msgwin(&g);
245  recwin=owl_global_get_curs_recwin(&g);
246  sepwin=owl_global_get_curs_sepwin(&g);
247  typwin=owl_global_get_curs_typwin(&g);
248  tw=owl_global_get_typwin(&g);
249
250  wrefresh(sepwin);
251
252  /* load zephyr subs */
253  if (initialsubs) {
254    /* load normal subscriptions */
255    ret=owl_zephyr_loadsubs(NULL);
256    if (ret!=-1) {
257      owl_global_add_userclue(&g, OWL_USERCLUE_CLASSES);
258    }
259
260    /* load login subscriptions */
261    if (owl_global_is_loginsubs(&g)) {
262      owl_function_loadloginsubs(NULL);
263    }
264  }
265
266  /* zlog in if we need to */
267  if (owl_global_is_startuplogin(&g)) {
268    owl_zephyr_zlog_in();
269  }
270
271  /* set the startup and default style, based on userclue and presence of a
272   * formatting function */
273  if (owl_global_is_config_format(&g)) {
274    owl_view_set_style(owl_global_get_current_view(&g), owl_global_get_style_by_name(&g, "perl"));
275    owl_global_set_default_style(&g, "perl");
276  } else if (owl_global_is_userclue(&g, OWL_USERCLUE_CLASSES)) {
277    owl_view_set_style(owl_global_get_current_view(&g), owl_global_get_style_by_name(&g, "default"));
278    owl_global_set_default_style(&g, "default");
279  } else {
280    owl_view_set_style(owl_global_get_current_view(&g), owl_global_get_style_by_name(&g, "basic"));
281    owl_global_set_default_style(&g, "basic");
282  }
283
284  /* welcome message */
285  strcpy(startupmsg, "-------------------------------------------------------------------------\n");
286  sprintf(buff,      "Welcome to Owl version %s.  Press 'h' for on line help. \n", OWL_VERSION_STRING);
287  strcat(startupmsg, buff);
288  strcat(startupmsg, "                                                                         \n");
289  strcat(startupmsg, "If you would like to receive release announcements about owl you can join \n");
290  strcat(startupmsg, "the owl-users@mit.edu mailing list.  MIT users can add themselves,       \n");
291  strcat(startupmsg, "otherwise send a request to owner-owl-users@mit.edu.               ^ ^   \n");
292  strcat(startupmsg, "                                                                   OvO   \n");
293  strcat(startupmsg, "Please report any bugs or suggestions to bug-owl@mit.edu          (   )  \n");
294  strcat(startupmsg, "-------------------------------------------------------------------m-m---\n");
295  owl_function_adminmsg("", startupmsg);
296  sepbar(NULL);
297 
298  owl_context_set_interactive(owl_global_get_context(&g));
299
300  nexttimediff=10;
301  nexttime=time(NULL);
302
303  /* main loop */
304  while (1) {
305
306    /* if a resize has been scheduled, deal with it */
307    owl_global_resize(&g, 0, 0);
308
309    /* these are here in case a resize changes the windows */
310    msgwin=owl_global_get_curs_msgwin(&g);
311    recwin=owl_global_get_curs_recwin(&g);
312    sepwin=owl_global_get_curs_sepwin(&g);
313    typwin=owl_global_get_curs_typwin(&g);
314
315    followlast=owl_global_should_followlast(&g);
316   
317    /* If we're logged into AIM, do AIM stuff */
318    if (owl_global_is_aimloggedin(&g)) {
319      owl_function_debugmsg("Doing aim processing");
320      owl_aim_process_events();
321    }
322
323    /* little hack */
324    now=time(NULL);
325    today=localtime(&now);
326    if (today->tm_mon==9 && today->tm_mday==31 && owl_global_get_runtime(&g)<600) {
327      if (time(NULL)>nexttime) {
328        if (nexttimediff==1) {
329          nexttimediff=10;
330        } else {
331          nexttimediff=1;
332        }
333        nexttime+=nexttimediff;
334        owl_hack_animate();
335      }
336    }
337
338    /* Grab incoming messages. */
339    newmsgs=0;
340    zpendcount=0;
341    while(owl_zephyr_zpending() || owl_global_messagequeue_pending(&g)) {
342      struct sockaddr_in from;
343      owl_message *m;
344      owl_filter *f;
345     
346      /* grab the new message, stick it in 'm' */
347      if (owl_zephyr_zpending()) {
348        /* grab a zephyr notice, but if we've done 20 without stopping,
349           take a break to process keystrokes etc. */
350        if (zpendcount>20) break;
351        ZReceiveNotice(&notice, &from);
352        zpendcount++;
353       
354        /* is this an ack from a zephyr we sent? */
355        if (owl_zephyr_notice_is_ack(&notice)) {
356          owl_zephyr_handle_ack(&notice);
357          continue;
358        }
359       
360        /* if it's a ping and we're not viewing pings then skip it */
361        if (!owl_global_is_rxping(&g) && !strcasecmp(notice.z_opcode, "ping")) {
362          continue;
363        }
364
365        /* create the new message */
366        m=owl_malloc(sizeof(owl_message));
367        owl_message_create_from_znotice(m, &notice);
368      } else if (owl_global_messagequeue_pending(&g)) {
369        m=owl_global_messageuque_popmsg(&g);
370      }
371     
372      /* if this message it on the puntlist, nuke it and continue */
373      if (owl_global_message_is_puntable(&g, m)) {
374        owl_message_free(m);
375        continue;
376      }
377
378      /* otherwise add it to the global list */
379      owl_messagelist_append_element(owl_global_get_msglist(&g), m);
380      newmsgs=1;
381
382      /* let the config know the new message has been received */
383      owl_config_getmsg(m, "owl::receive_msg();");
384
385      /* add it to any necessary views; right now there's only the current view */
386      owl_view_consider_message(owl_global_get_current_view(&g), m);
387
388      /* do we need to autoreply? */
389      if (owl_message_is_type_zephyr(m) && owl_global_is_zaway(&g)) {
390        owl_zephyr_zaway(m);
391      }
392
393      /* ring the bell if it's a personal */
394      if (owl_global_is_personalbell(&g) &&
395          !owl_message_is_loginout(m) &&
396          !owl_message_is_mail(m) &&
397          owl_message_is_private(m)) {
398        owl_function_beep();
399      }
400
401      /* if it matches the alert filter, do the alert action */
402      f=owl_global_get_filter(&g, owl_global_get_alert_filter(&g));
403      if (f && owl_filter_message_match(f, m)) {
404        owl_function_command(owl_global_get_alert_action(&g));
405      }
406
407      /* check for burning ears message */
408      /* this is an unsupported feature */
409      if (owl_global_is_burningears(&g) && owl_message_is_burningears(m)) {
410        char *buff;
411        buff = owl_sprintf("@i(Burning ears message on class %s)", owl_message_get_class(m));
412        owl_function_adminmsg(buff, "");
413        owl_free(buff);
414        owl_function_beep();
415      }
416
417      /* log the message if we need to */
418      if (owl_global_is_logging(&g) || owl_global_is_classlogging(&g)) {
419        owl_log_incoming(m);
420      }
421    }
422
423    /* follow the last message if we're supposed to */
424    if (newmsgs && followlast) {
425      owl_function_lastmsg_noredisplay();
426    }
427
428    /* do the newmsgproc thing */
429    if (newmsgs) {
430      owl_function_do_newmsgproc();
431    }
432   
433    /* redisplay if necessary */
434    /* this should be optimized to not run if the new messages won't be displayed */
435    if (newmsgs) {
436      owl_mainwin_redisplay(owl_global_get_mainwin(&g));
437      sepbar(NULL);
438      if (owl_popwin_is_active(owl_global_get_popwin(&g))) {
439        owl_popwin_refresh(owl_global_get_popwin(&g));
440        /* TODO: this is a broken kludge */
441        if (owl_global_get_viewwin(&g)) {
442          owl_viewwin_redisplay(owl_global_get_viewwin(&g), 0);
443        }
444      }
445      owl_global_set_needrefresh(&g);
446    }
447
448    /* if a popwin just came up, refresh it */
449    pw=owl_global_get_popwin(&g);
450    if (owl_popwin_is_active(pw) && owl_popwin_needs_first_refresh(pw)) {
451      owl_popwin_refresh(pw);
452      owl_popwin_no_needs_first_refresh(pw);
453      owl_global_set_needrefresh(&g);
454      /* TODO: this is a broken kludge */
455      if (owl_global_get_viewwin(&g)) {
456        owl_viewwin_redisplay(owl_global_get_viewwin(&g), 0);
457      }
458    }
459
460    /* update the terminal if we need to */
461    if (owl_global_is_needrefresh(&g)) {
462      /* leave the cursor in the appropriate window */
463      if (owl_global_is_typwin_active(&g)) {
464        owl_function_set_cursor(typwin);
465      } else {
466        owl_function_set_cursor(sepwin);
467      }
468      doupdate();
469      owl_global_set_noneedrefresh(&g);
470    }
471
472    /* Handle all keypresses.  If no key has been pressed, sleep for a
473     * little bit, but otherwise do not.  This lets input be grabbed
474     * as quickly as possbile */
475    j=wgetch(typwin);
476    if (j==ERR) {
477      usleep(10);
478      continue;
479    }
480    /* find and activate the current keymap.
481     * TODO: this should really get fixed by activating
482     * keymaps as we switch between windows...
483     */
484    if (pw && owl_popwin_is_active(pw) && owl_global_get_viewwin(&g)) {
485      owl_context_set_popless(owl_global_get_context(&g), 
486                              owl_global_get_viewwin(&g));
487      owl_function_activate_keymap("popless");
488    } else if (owl_global_is_typwin_active(&g) 
489               && owl_editwin_get_style(tw)==OWL_EDITWIN_STYLE_ONELINE) {
490      /*
491      owl_context_set_editline(owl_global_get_context(&g), tw);
492      owl_function_activate_keymap("editline");
493      */
494    } else if (owl_global_is_typwin_active(&g) 
495               && owl_editwin_get_style(tw)==OWL_EDITWIN_STYLE_MULTILINE) {
496      owl_context_set_editmulti(owl_global_get_context(&g), tw);
497      owl_function_activate_keymap("editmulti");
498    } else {
499      owl_context_set_recv(owl_global_get_context(&g));
500      owl_function_activate_keymap("recv");
501    }
502    /* now actually handle the keypress */
503    ret = owl_keyhandler_process(owl_global_get_keyhandler(&g), j);
504    if (ret!=0 && ret!=1) {
505      owl_function_makemsg("Unable to handle keypress");
506    }
507  }
508}
509
510void sig_handler(int sig) {
511  if (sig==SIGWINCH) {
512    /* we can't inturrupt a malloc here, so it just sets a flag
513     * schedulding a resize for later
514     */
515    owl_function_resize();
516  }
517}
518
519void usage() {
520  fprintf(stderr, "Owl version %s\n", OWL_VERSION_STRING);
521  fprintf(stderr, "Usage: owl [-n] [-d] [-v] [-h] [-c <configfile>] [-t <ttyname>]\n");
522  fprintf(stderr, "  -n      don't load zephyr subscriptions\n");
523  fprintf(stderr, "  -d      enable debugging\n");
524  fprintf(stderr, "  -v      print the Owl version number and exit\n");
525  fprintf(stderr, "  -h      print this help message\n");
526  fprintf(stderr, "  -c      specify an alternate config file\n");
527  fprintf(stderr, "  -t      set the tty name\n");
528 
529}
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