source: owl.c @ af2ca19

barnowl_perlaimdebianowlrelease-1.10release-1.4release-1.5release-1.6release-1.7release-1.8release-1.9
Last change on this file since af2ca19 was 5145235, checked in by James M. Kretchmar <kretch@mit.edu>, 22 years ago
Fix memory problem in setting default tty. Removed some commented material from configure.in and owl.c
  • Property mode set to 100644
File size: 11.7 KB
Line 
1/* Written by James Kretchmar, MIT
2 *
3 * Copyright 2001 Massachusetts Institute of Technology
4 *
5 * Permission to use, copy, modify, and distribute this software and
6 * its documentation for any purpose and without fee is hereby
7 * granted, provided that the above copyright notice and this
8 * permission notice appear in all copies and in supporting
9 * documentation.  No representation is made about the suitability of
10 * this software for any purpose.  It is provided "as is" without
11 * express or implied warranty.
12 */
13
14#include <stdio.h>
15#include <unistd.h>
16#include <stdlib.h>
17#include <string.h>
18#include <zephyr/zephyr.h>
19#include <com_err.h>
20#include <signal.h>
21#include <time.h>
22#include <sys/param.h>
23#include "owl.h"
24
25static const char fileIdent[] = "$Id$";
26
27int main(int argc, char **argv, char **env) {
28  WINDOW *recwin, *sepwin, *typwin, *msgwin;
29  owl_editwin *tw;
30  owl_popwin *pw;
31  int j, ret, initialsubs, debug, newzephyrs, argcsave, followlast;
32  struct sigaction sigact;
33  char *configfile, *tty, *perlout;
34  char buff[LINE], startupmsg[LINE];
35  char **argvsave;
36  owl_filter *f;
37  time_t nexttime;
38  int nexttimediff;
39
40  argcsave=argc;
41  argvsave=argv;
42  configfile=NULL;
43  tty=NULL;
44  debug=0;
45  if (argc>0) {
46    argv++;
47    argc--;
48  }
49  while (argc>0) {
50    if (!strcmp(argv[0], "-n")) {
51      initialsubs=0;
52      argv++;
53      argc--;
54    } else if (!strcmp(argv[0], "-c")) {
55      if (argc<2) {
56        fprintf(stderr, "Too few arguments to -c\n");
57        usage();
58        exit(1);
59      }
60      configfile=argv[1];
61      argv+=2;
62      argc-=2;
63    } else if (!strcmp(argv[0], "-t")) {
64      if (argc<2) {
65        fprintf(stderr, "Too few arguments to -t\n");
66        usage();
67        exit(1);
68      }
69      tty=argv[1];
70      argv+=2;
71      argc-=2;
72    } else if (!strcmp(argv[0], "-d")) {
73      debug=1;
74      argv++;
75      argc--;
76    } else if (!strcmp(argv[0], "-v")) {
77      printf("This is owl version %s\n", OWL_VERSION_STRING);
78      exit(0);
79    } else {
80      fprintf(stderr, "Uknown argument\n");
81      usage();       
82      exit(1);
83    }
84  }
85
86  /* zephyr init */
87  if ((ret = ZInitialize()) != ZERR_NONE) {
88    com_err("owl",ret,"while initializing");
89    exit(1);
90  }
91  if ((ret = ZOpenPort(NULL)) != ZERR_NONE) {
92    com_err("owl",ret,"while opening port");
93    exit(1);
94  }
95
96  /* signal handler */
97  sigact.sa_handler=sig_handler;
98  sigemptyset(&sigact.sa_mask);
99  sigact.sa_flags=0;
100  sigaction(SIGWINCH, &sigact, NULL);
101  sigaction(SIGALRM, &sigact, NULL);
102
103  /* screen init */
104  sprintf(buff, "TERMINFO=%s", TERMINFO);
105  putenv(buff);
106  initscr();
107  start_color();
108  use_default_colors();
109  raw();
110  noecho();
111
112  /* define simple color pairs */
113  if (has_colors() && COLOR_PAIRS>=8) {
114    init_pair(OWL_COLOR_BLACK,   COLOR_BLACK,   -1);
115    init_pair(OWL_COLOR_RED,     COLOR_RED,     -1);
116    init_pair(OWL_COLOR_GREEN,   COLOR_GREEN,   -1);
117    init_pair(OWL_COLOR_YELLOW,  COLOR_YELLOW,  -1);
118    init_pair(OWL_COLOR_BLUE,    COLOR_BLUE,    -1);
119    init_pair(OWL_COLOR_MAGENTA, COLOR_MAGENTA, -1);
120    init_pair(OWL_COLOR_CYAN,    COLOR_CYAN,    -1);
121    init_pair(OWL_COLOR_WHITE,   COLOR_WHITE,   -1);
122  }
123   
124  /* owl init */
125  owl_global_init(&g);
126  if (debug) owl_global_set_debug_on(&g);
127  owl_global_set_startupargs(&g, argcsave, argvsave);
128  owl_context_set_readconfig(owl_global_get_context(&g));
129
130  if (tty) {
131    owl_global_set_tty(&g, tty);
132  } else {
133    owl_global_set_tty(&g, owl_util_get_default_tty());
134  }
135
136  /* setup the default filters */
137  f=malloc(sizeof(owl_filter));
138  owl_filter_init_fromstring(f, "personal", "( class ^message$ and instance ^personal$ ) or ( type ^admin$ and recipient .+ )"); /* fix to use admintype */
139  owl_list_append_element(owl_global_get_filterlist(&g), f);
140
141  f=malloc(sizeof(owl_filter));
142  owl_filter_init_fromstring(f, "trash", "class ^mail$ or opcode ^ping$ or type ^admin$ or class ^login$");
143  owl_list_append_element(owl_global_get_filterlist(&g), f);
144
145  f=malloc(sizeof(owl_filter));
146  owl_filter_init_fromstring(f, "ping", "opcode ^ping$");
147  owl_list_append_element(owl_global_get_filterlist(&g), f);
148
149  f=malloc(sizeof(owl_filter));
150  owl_filter_init_fromstring(f, "auto", "opcode ^auto$");
151  owl_list_append_element(owl_global_get_filterlist(&g), f);
152
153  f=malloc(sizeof(owl_filter));
154  owl_filter_init_fromstring(f, "login", "class ^login$");
155  owl_list_append_element(owl_global_get_filterlist(&g), f);
156
157  f=malloc(sizeof(owl_filter));
158  owl_filter_init_fromstring(f, "reply-lockout", "class ^noc or class ^mail$");
159  owl_list_append_element(owl_global_get_filterlist(&g), f);
160
161  f=malloc(sizeof(owl_filter));
162  owl_filter_init_fromstring(f, "all", "class .*");
163  owl_list_append_element(owl_global_get_filterlist(&g), f);
164
165  /* set the current view */
166  owl_view_create(owl_global_get_current_view(&g), f);
167
168  /* read the config file */
169  ret=owl_readconfig(configfile);
170  if (ret) {
171    endwin();
172    printf("\nError parsing configfile\n");
173    exit(1);
174  }
175  perlout = owl_config_execute("owl::startup();");
176  if (perlout) owl_free(perlout);
177  owl_function_debugmsg("-- Owl Startup --");
178 
179  /* hold on to the window names for convenience */
180  msgwin=owl_global_get_curs_msgwin(&g);
181  recwin=owl_global_get_curs_recwin(&g);
182  sepwin=owl_global_get_curs_sepwin(&g);
183  typwin=owl_global_get_curs_typwin(&g);
184
185  tw=owl_global_get_typwin(&g);
186
187  wrefresh(sepwin);
188
189  /* load zephyr subs */
190  ret=owl_zephyr_loadsubs(NULL);
191  if (ret!=-1) {
192    owl_global_add_userclue(&g, OWL_USERCLUE_CLASSES);
193  }
194
195  /* load login subs */
196  if (owl_global_is_loginsubs(&g)) {
197    loadloginsubs(NULL);
198  }
199
200  /* zlog in if we need to */
201  if (owl_global_is_startuplogin(&g)) {
202    owl_function_zlog_in();
203  }
204
205  /* welcome message */
206  sprintf(buff, "Welcome to owl version %s.\n", OWL_VERSION_STRING);
207  strcpy(startupmsg, "-------------------------------------------------------------------------\n");
208  strcat(startupmsg, buff);
209  strcat(startupmsg, "Press 'h' for on line help.                                   ^ ^        \n");
210  strcat(startupmsg, "                                                              OvO        \n");
211  strcat(startupmsg, "Please report any bugs or suggestions to bug-owl@mit.edu     (   )       \n");
212  strcat(startupmsg, "--------------------------------------------------------------m-m--------\n");
213 
214  owl_function_adminmsg("", startupmsg);
215  /* owl_function_makemsg(buff); */
216  sepbar(NULL);
217 
218  owl_context_set_interactive(owl_global_get_context(&g));
219
220  nexttimediff=20;
221  nexttime=time(NULL);
222
223  /* main loop */
224  while (1) {
225
226    /* if a resize has been scheduled, deal with it */
227    owl_global_resize(&g, 0, 0);
228
229    /* these are here in case a resize changes the windows */
230    msgwin=owl_global_get_curs_msgwin(&g);
231    recwin=owl_global_get_curs_recwin(&g);
232    sepwin=owl_global_get_curs_sepwin(&g);
233    typwin=owl_global_get_curs_typwin(&g);
234
235    followlast=owl_global_should_followlast(&g);
236
237    /* little hack */
238    if (0 && owl_global_get_runtime(&g)<300) {
239      if (time(NULL)>nexttime) {
240        if (nexttimediff==1) {
241          nexttimediff=20;
242        } else {
243          nexttimediff=1;
244        }
245        nexttime+=nexttimediff;
246        owl_hack_animate();
247      }
248    }
249
250    /* grab incoming zephyrs */
251    newzephyrs=0;
252    while(ZPending()) {
253      ZNotice_t notice;
254      struct sockaddr_in from;
255      owl_message *m;
256
257      ZReceiveNotice(&notice, &from);
258
259      /* is this an ack from a zephyr we sent? */
260      if (owl_zephyr_notice_is_ack(&notice)) {
261        owl_zephyr_handle_ack(&notice);
262        continue;
263      }
264     
265      /* if it's a ping and we're not viewing pings then skip it */
266      if (!owl_global_is_rxping(&g) && !strcasecmp(notice.z_opcode, "ping")) {
267        continue;
268      }
269
270      /* create the new message */
271      m=owl_malloc(sizeof(owl_message));
272      owl_message_create_from_zephyr(m, &notice);
273     
274      /* if it's on the puntlist then, nuke it and continue */
275      if (owl_global_message_is_puntable(&g, m)) {
276        owl_message_free(m);
277        continue;
278      }
279
280      /* otherwise add it to the global list */
281      owl_messagelist_append_element(owl_global_get_msglist(&g), m);
282      newzephyrs=1;
283
284      /* let the config know the new message has been received */
285      owl_config_getmsg(m, 0);
286
287      /* add it to any necessary views; right now there's only the current view */
288      owl_view_consider_message(owl_global_get_current_view(&g), m);
289
290      /* do we need to autoreply? */
291      if (owl_global_is_zaway(&g)) {
292        owl_zephyr_zaway(m);
293      }
294
295      /* ring the bell if it's a personal */
296      if (owl_global_is_personalbell(&g) && owl_message_is_personal(m)) {
297        owl_function_beep();
298        owl_global_set_needrefresh(&g);
299      }
300
301      /* check for burning ears message */
302      /* this is an unsupported feature */
303      if (owl_global_is_burningears(&g) && owl_message_is_burningears(m)) {
304        char *buff;
305        buff = owl_sprintf("@i(Burning ears message on class %s)", owl_message_get_class(m));
306        /* owl_function_makemsg(buff); */
307        owl_function_adminmsg(buff, "");
308        owl_free(buff);
309        owl_function_beep();
310      }
311
312      /* log the zephyr if we need to */
313      if (owl_global_is_logging(&g) || owl_global_is_classlogging(&g)) {
314        owl_log_incoming(m);
315      }
316    }
317
318    /* follow the last message if we're supposed to */
319    if (newzephyrs && followlast) {
320      owl_function_lastmsg_noredisplay();
321    }
322   
323    /* redisplay if necessary */
324    if (newzephyrs) {
325      owl_mainwin_redisplay(owl_global_get_mainwin(&g));
326      sepbar(NULL);
327      if (owl_popwin_is_active(owl_global_get_popwin(&g))) {
328        owl_popwin_refresh(owl_global_get_popwin(&g));
329        /* TODO: this is a broken kludge */
330        if (owl_global_get_viewwin(&g)) {
331          owl_viewwin_redisplay(owl_global_get_viewwin(&g), 0);
332        }
333      }
334      owl_global_set_needrefresh(&g);
335    }
336
337    /* if a popwin just came up, refresh it */
338    pw=owl_global_get_popwin(&g);
339    if (owl_popwin_is_active(pw) && owl_popwin_needs_first_refresh(pw)) {
340      owl_popwin_refresh(pw);
341      owl_popwin_no_needs_first_refresh(pw);
342      owl_global_set_needrefresh(&g);
343      /* TODO: this is a broken kludge */
344      if (owl_global_get_viewwin(&g)) {
345        owl_viewwin_redisplay(owl_global_get_viewwin(&g), 0);
346      }
347    }
348
349    /* update the terminal if we need to */
350    if (owl_global_is_needrefresh(&g)) {
351      /* leave the cursor in the appropriate window */
352      if (owl_global_is_typwin_active(&g)) {
353        owl_function_set_cursor(typwin);
354      } else {
355        owl_function_set_cursor(sepwin);
356      }
357      doupdate();
358      owl_global_set_noneedrefresh(&g);
359    }
360
361    /* handle all keypresses */
362    j=wgetch(typwin);
363    if (j==ERR) {
364      usleep(10);
365      continue;
366    }
367    /* find and activate the current keymap.
368     * TODO: this should really get fixed by activating
369     * keymaps as we switch between windows...
370     */
371    if (pw && owl_popwin_is_active(pw) && owl_global_get_viewwin(&g)) {
372      owl_context_set_popless(owl_global_get_context(&g), 
373                              owl_global_get_viewwin(&g));
374      owl_function_activate_keymap("popless");
375    } else if (owl_global_is_typwin_active(&g) 
376               && owl_editwin_get_style(tw)==OWL_EDITWIN_STYLE_ONELINE) {
377      owl_context_set_editline(owl_global_get_context(&g), tw);
378      owl_function_activate_keymap("editline");
379    } else if (owl_global_is_typwin_active(&g) 
380               && owl_editwin_get_style(tw)==OWL_EDITWIN_STYLE_MULTILINE) {
381      owl_context_set_editmulti(owl_global_get_context(&g), tw);
382      owl_function_activate_keymap("editmulti");
383    } else {
384      owl_context_set_recv(owl_global_get_context(&g));
385      owl_function_activate_keymap("recv");
386    }
387    /* now actually handle the keypress */
388    ret = owl_keyhandler_process(owl_global_get_keyhandler(&g), j);
389    if (ret!=0 && ret!=1) {
390      owl_function_makemsg("Unable to handle keypress");
391    }
392  }
393
394}
395
396void sig_handler(int sig) {
397  if (sig==SIGWINCH) {
398    /* we can't inturrupt a malloc here, so it just sets a flag */
399    owl_function_resize();
400  }
401}
402
403void usage() {
404  fprintf(stderr, "Usage: owl [-n] [-d] [-v] [-c <configfile>] [-t <ttyname>]\n");
405}
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