source: owl.c @ e9f239b

barnowl_perlaimdebianowlrelease-1.10release-1.4release-1.5release-1.6release-1.7release-1.8release-1.9
Last change on this file since e9f239b was e9f239b, checked in by James M. Kretchmar <kretch@mit.edu>, 20 years ago
Don't do away replies on AIM login/logoug notifications
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File size: 22.4 KB
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[5789230]1/*
[7d4fbcd]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>
[5145235]18#include <time.h>
[7d4fbcd]19#include <sys/param.h>
[700c712]20#include <sys/types.h>
[38cf544c]21#include <sys/stat.h>
[7d4fbcd]22#include "owl.h"
23
[2a2bb60]24#if OWL_STDERR_REDIR
[e8b95f8]25#ifdef HAVE_SYS_IOCTL_H
[2a2bb60]26#include <sys/ioctl.h>
[e8b95f8]27#endif
28#ifdef HAVE_SYS_FILIO_H
29#include <sys/filio.h>
30#endif
[2a2bb60]31int stderr_replace(void);
32void stderr_redirect(int rfd);
33#endif
34
[1aee7d9]35static const char fileIdent[] = "$Id$";
36
[b2b0773]37owl_global g;
38
[de22c3d]39int main(int argc, char **argv, char **env)
40{
[7d4fbcd]41  WINDOW *recwin, *sepwin, *typwin, *msgwin;
42  owl_editwin *tw;
43  owl_popwin *pw;
[ced25d1]44  int j, ret, initialsubs, debug, argcsave, followlast;
[d09e5a1]45  int newmsgs, zpendcount, nexttimediff;
[7d4fbcd]46  struct sigaction sigact;
[f1e629d]47  char *configfile, *tty, *perlout, *perlerr, **argvsave, buff[LINE], startupmsg[LINE];
[7d4fbcd]48  owl_filter *f;
[bd3f232]49  owl_style *s;
[a15a84f]50  time_t nexttime, now;
51  struct tm *today;
[38cf544c]52  char *dir;
[09489b89]53#ifdef HAVE_LIBZEPHYR
[be0a79f]54  ZNotice_t notice;
[09489b89]55#endif
[2a2bb60]56#if OWL_STDERR_REDIR
57  int newstderr;
58#endif
[7d4fbcd]59
60  argcsave=argc;
61  argvsave=argv;
62  configfile=NULL;
63  tty=NULL;
64  debug=0;
[bd3f232]65  initialsubs=1;
[7d4fbcd]66  if (argc>0) {
67    argv++;
68    argc--;
69  }
70  while (argc>0) {
71    if (!strcmp(argv[0], "-n")) {
72      initialsubs=0;
73      argv++;
74      argc--;
75    } else if (!strcmp(argv[0], "-c")) {
76      if (argc<2) {
77        fprintf(stderr, "Too few arguments to -c\n");
78        usage();
79        exit(1);
80      }
81      configfile=argv[1];
82      argv+=2;
83      argc-=2;
84    } else if (!strcmp(argv[0], "-t")) {
85      if (argc<2) {
86        fprintf(stderr, "Too few arguments to -t\n");
87        usage();
88        exit(1);
89      }
90      tty=argv[1];
91      argv+=2;
92      argc-=2;
93    } else if (!strcmp(argv[0], "-d")) {
94      debug=1;
95      argv++;
96      argc--;
[a68f05d]97    } else if (!strcmp(argv[0], "-D")) {
98      debug=1;
99      unlink(OWL_DEBUG_FILE);
100      argv++;
101      argc--;
[7d4fbcd]102    } else if (!strcmp(argv[0], "-v")) {
103      printf("This is owl version %s\n", OWL_VERSION_STRING);
104      exit(0);
105    } else {
106      fprintf(stderr, "Uknown argument\n");
107      usage();       
108      exit(1);
109    }
110  }
111
[be0a79f]112#ifdef HAVE_LIBZEPHYR
[7d4fbcd]113  /* zephyr init */
[be0a79f]114  ret=owl_zephyr_initialize();
115  if (ret) {
[7d4fbcd]116    exit(1);
117  }
[be0a79f]118#endif
119 
[7d4fbcd]120  /* signal handler */
[c9e72d1]121  /*sigact.sa_handler=sig_handler;*/
122  sigact.sa_sigaction=sig_handler;
[7d4fbcd]123  sigemptyset(&sigact.sa_mask);
[c9e72d1]124  sigact.sa_flags=SA_SIGINFO;
[7d4fbcd]125  sigaction(SIGWINCH, &sigact, NULL);
126  sigaction(SIGALRM, &sigact, NULL);
[c9e72d1]127  sigaction(SIGPIPE, &sigact, NULL);
[7d4fbcd]128
129  /* screen init */
[b20de4f]130  if (!getenv("TERMINFO")) {
131    sprintf(buff, "TERMINFO=%s", TERMINFO);
132    putenv(buff);
133    owl_function_debugmsg("startup: setting TERMINFO to %s", TERMINFO);
134  } else {
135    owl_function_debugmsg("startup: leaving TERMINFO as %s from envrionment", getenv("TERMINFO"));
136  }
[7d4fbcd]137  initscr();
138  start_color();
[ac70242]139#ifdef HAVE_USE_DEFAULT_COLORS
[7d4fbcd]140  use_default_colors();
[ac70242]141#endif
[7d4fbcd]142  raw();
143  noecho();
144
145  /* define simple color pairs */
146  if (has_colors() && COLOR_PAIRS>=8) {
147    init_pair(OWL_COLOR_BLACK,   COLOR_BLACK,   -1);
148    init_pair(OWL_COLOR_RED,     COLOR_RED,     -1);
149    init_pair(OWL_COLOR_GREEN,   COLOR_GREEN,   -1);
150    init_pair(OWL_COLOR_YELLOW,  COLOR_YELLOW,  -1);
151    init_pair(OWL_COLOR_BLUE,    COLOR_BLUE,    -1);
152    init_pair(OWL_COLOR_MAGENTA, COLOR_MAGENTA, -1);
153    init_pair(OWL_COLOR_CYAN,    COLOR_CYAN,    -1);
154    init_pair(OWL_COLOR_WHITE,   COLOR_WHITE,   -1);
155  }
[38cf544c]156
[bd3f232]157  /* owl global init */
[7d4fbcd]158  owl_global_init(&g);
159  if (debug) owl_global_set_debug_on(&g);
[b20de4f]160  owl_function_debugmsg("startup: first available debugging message");
[7d4fbcd]161  owl_global_set_startupargs(&g, argcsave, argvsave);
[09489b89]162#ifdef HAVE_LIBZEPHYR
163  owl_global_set_havezephyr(&g);
164#endif
165  owl_global_set_haveaim(&g);
[2a2bb60]166
167#if OWL_STDERR_REDIR
[a0a5179]168  /* Do this only after we've started curses up... */
169  owl_function_debugmsg("startup: doing stderr redirection");
[2a2bb60]170  newstderr = stderr_replace();
171#endif   
172
[38cf544c]173  /* create the owl directory, in case it does not exist */
[a0a5179]174  owl_function_debugmsg("startup: creating owl directory, if not present");
[38cf544c]175  dir=owl_sprintf("%s/%s", owl_global_get_homedir(&g), OWL_CONFIG_DIR);
176  mkdir(dir, S_IRWXU);
177  owl_free(dir);
[5145235]178
[ced25d1]179  /* set the tty, either from the command line, or by figuring it out */
[a0a5179]180  owl_function_debugmsg("startup: setting tty name");
[61e79a9]181  if (tty) {
182    owl_global_set_tty(&g, tty);
183  } else {
184    owl_global_set_tty(&g, owl_util_get_default_tty());
185  }
[7d4fbcd]186
[bd3f232]187  /* setup the built-in styles */
[a0a5179]188  owl_function_debugmsg("startup: creating built-in styles");
[bd3f232]189  s=owl_malloc(sizeof(owl_style));
[f1e629d]190  owl_style_create_internal(s, "default", &owl_stylefunc_default,
191                            "Default message formatting");
[bd3f232]192  owl_global_add_style(&g, s);
193
194  s=owl_malloc(sizeof(owl_style));
[f1e629d]195  owl_style_create_internal(s, "basic", &owl_stylefunc_basic,
196                            "Basic message formatting.");
[bd3f232]197  owl_global_add_style(&g, s);
[ec6ff52]198#if 0
199  s=owl_malloc(sizeof(owl_style));
200  owl_style_create_internal(s, "vt", &owl_stylefunc_vt,
201                            "VT message formatting.");
202  owl_global_add_style(&g, s);
203#endif
[8b32593]204  s=owl_malloc(sizeof(owl_style));
[f1e629d]205  owl_style_create_internal(s, "oneline", &owl_stylefunc_oneline,
206                            "Formats for one-line-per-message");
[8b32593]207  owl_global_add_style(&g, s);
208
[7d4fbcd]209  /* setup the default filters */
[3abf28b]210  /* the personal filter will need to change again when AIM chat's are
211   *  included.  Also, there should be an %aimme% */
[a0a5179]212  owl_function_debugmsg("startup: creating default filters");
[bd3f232]213  f=owl_malloc(sizeof(owl_filter));
[3abf28b]214  owl_filter_init_fromstring(f, "personal", "( type ^zephyr$ "
215                             "and class ^message$ and instance ^personal$ "
216                             "and ( recipient ^%me%$ or sender ^%me%$ ) ) "
[3723f31]217                             "or ( type ^aim$ and login ^none$ )");
[7d4fbcd]218  owl_list_append_element(owl_global_get_filterlist(&g), f);
219
[bd3f232]220  f=owl_malloc(sizeof(owl_filter));
[0c502e9]221  owl_filter_init_fromstring(f, "trash", "class ^mail$ or opcode ^ping$ or type ^admin$ or ( not login ^none$ )");
[7d4fbcd]222  owl_list_append_element(owl_global_get_filterlist(&g), f);
223
[bd3f232]224  f=owl_malloc(sizeof(owl_filter));
[0236842]225  owl_filter_init_fromstring(f, "ping", "opcode ^ping$");
226  owl_list_append_element(owl_global_get_filterlist(&g), f);
227
[bd3f232]228  f=owl_malloc(sizeof(owl_filter));
[0236842]229  owl_filter_init_fromstring(f, "auto", "opcode ^auto$");
230  owl_list_append_element(owl_global_get_filterlist(&g), f);
231
[bd3f232]232  f=owl_malloc(sizeof(owl_filter));
[0c502e9]233  owl_filter_init_fromstring(f, "login", "not login ^none$");
[0236842]234  owl_list_append_element(owl_global_get_filterlist(&g), f);
235
[bd3f232]236  f=owl_malloc(sizeof(owl_filter));
[7d4fbcd]237  owl_filter_init_fromstring(f, "reply-lockout", "class ^noc or class ^mail$");
238  owl_list_append_element(owl_global_get_filterlist(&g), f);
239
[bd3f232]240  f=owl_malloc(sizeof(owl_filter));
[5a6e6b9]241  owl_filter_init_fromstring(f, "out", "direction ^out$");
242  owl_list_append_element(owl_global_get_filterlist(&g), f);
243
[bd3f232]244  f=owl_malloc(sizeof(owl_filter));
[31e48a3]245  owl_filter_init_fromstring(f, "aim", "type ^aim$");
246  owl_list_append_element(owl_global_get_filterlist(&g), f);
247
[bd3f232]248  f=owl_malloc(sizeof(owl_filter));
[31e48a3]249  owl_filter_init_fromstring(f, "zephyr", "type ^zephyr$");
250  owl_list_append_element(owl_global_get_filterlist(&g), f);
251
[bd3f232]252  f=owl_malloc(sizeof(owl_filter));
[89426ab]253  owl_filter_init_fromstring(f, "none", "false");
254  owl_list_append_element(owl_global_get_filterlist(&g), f);
255
[bd3f232]256  f=owl_malloc(sizeof(owl_filter));
[89426ab]257  owl_filter_init_fromstring(f, "all", "true");
[7d4fbcd]258  owl_list_append_element(owl_global_get_filterlist(&g), f);
259
260  /* set the current view */
[a0a5179]261  owl_function_debugmsg("startup: setting the current view");
[c3ab155]262  owl_view_create(owl_global_get_current_view(&g), "main", f, owl_global_get_style_by_name(&g, "default"));
[7d4fbcd]263
[96f8e5b]264  /* AIM init */
[a0a5179]265  owl_function_debugmsg("startup: doing AIM initialization");
[96f8e5b]266  owl_aim_init();
267
[38cf544c]268  /* process the startup file */
[a0a5179]269  owl_function_debugmsg("startup: processing startup file");
[2404c3a]270  owl_function_source(NULL);
[38cf544c]271
[7d4fbcd]272  /* read the config file */
[a0a5179]273  owl_function_debugmsg("startup: processing config file");
[38cf544c]274  owl_context_set_readconfig(owl_global_get_context(&g));
[f1e629d]275  perlerr=owl_perlconfig_readconfig(configfile);
276  if (perlerr) {
[7d4fbcd]277    endwin();
[f1e629d]278    fprintf(stderr, "\nError parsing configfile: %s\n", perlerr);
[7d4fbcd]279    exit(1);
280  }
[ced25d1]281
[e075479]282  /* if the config defines a formatting function, add 'perl' as a style */
[bd3f232]283  if (owl_global_is_config_format(&g)) {
284    owl_function_debugmsg("Found perl formatting");
285    s=owl_malloc(sizeof(owl_style));
[f1e629d]286    owl_style_create_perl(s, "perl", "owl::_format_msg_legacy_wrap",
287                          "User-defined perl style that calls owl::format_msg"
288                          "with legacy global variable support");
[bd3f232]289    owl_global_add_style(&g, s);
[e075479]290    owl_global_set_default_style(&g, "perl");
[bd3f232]291  }
292
[ced25d1]293  /* execute the startup function in the configfile */
[a0a5179]294  owl_function_debugmsg("startup: executing perl startup, if applicable");
[f1e629d]295  perlout = owl_perlconfig_execute("owl::startup();");
[7d4fbcd]296  if (perlout) owl_free(perlout);
297 
298  /* hold on to the window names for convenience */
299  msgwin=owl_global_get_curs_msgwin(&g);
300  recwin=owl_global_get_curs_recwin(&g);
301  sepwin=owl_global_get_curs_sepwin(&g);
302  typwin=owl_global_get_curs_typwin(&g);
303  tw=owl_global_get_typwin(&g);
304
[252a5c2]305  /* welcome message */
[a0a5179]306  owl_function_debugmsg("startup: creating splash message");
[52f3507]307  strcpy(startupmsg, "-----------------------------------------------------------------------\n");
[252a5c2]308  sprintf(buff,      "Welcome to Owl version %s.  Press 'h' for on-line help. \n", OWL_VERSION_STRING);
309  strcat(startupmsg, buff);
[52f3507]310  strcat(startupmsg, "                                                                       \n");
311  strcat(startupmsg, "If you would like to receive release announcements about Owl you can   \n");
[d9b0b972]312  strcat(startupmsg, "join the owl-users@mit.edu mailing list at http://web.mit.edu/ktools/  \n");
[52f3507]313  strcat(startupmsg, "                                                                 ^ ^   \n");
314  strcat(startupmsg, "                                                                 OvO   \n");
315  strcat(startupmsg, "Please report any bugs or suggestions to bug-owl@mit.edu        (   )  \n");
316  strcat(startupmsg, "-----------------------------------------------------------------m-m---\n");
[252a5c2]317  owl_function_adminmsg("", startupmsg);
318  sepbar(NULL);
319
[7d4fbcd]320  wrefresh(sepwin);
321
322  /* load zephyr subs */
[bd3f232]323  if (initialsubs) {
[a0a5179]324    owl_function_debugmsg("startup: loading initial zephyr subs");
[bd3f232]325    /* load normal subscriptions */
326    ret=owl_zephyr_loadsubs(NULL);
[252a5c2]327    if (ret==-1) {
[7d22e76]328      owl_function_adminmsg("", "Error loading zephyr subscriptions, file inaccessable");
[252a5c2]329    } else if (ret!=0) {
[7d22e76]330      owl_function_adminmsg("", "Error loading zephyr subscriptions");
[252a5c2]331    }
332   
[bd3f232]333    if (ret!=-1) {
334      owl_global_add_userclue(&g, OWL_USERCLUE_CLASSES);
335    }
[7d4fbcd]336
[bd3f232]337    /* load login subscriptions */
338    if (owl_global_is_loginsubs(&g)) {
[a0a5179]339      owl_function_debugmsg("startup: loading login subs");
[bd3f232]340      owl_function_loadloginsubs(NULL);
341    }
[7d4fbcd]342  }
343
[5a95b69]344  /* First buddy check to sync the list without notifications */
345  owl_function_debugmsg("startup: doing initial zephyr buddy check");
346  owl_function_zephyr_buddy_check(0);
347
[f933403]348  /* set the startup and default style, based on userclue and presence of a
349   * formatting function */
[a0a5179]350  owl_function_debugmsg("startup: setting startup and default style");
[27c3a93]351  if (0 != strcmp(owl_global_get_default_style(&g), "__unspecified__")) {
352    /* the style was set by the user: leave it alone */
353  } else if (owl_global_is_config_format(&g)) {
[f933403]354    owl_global_set_default_style(&g, "perl");
355  } else if (owl_global_is_userclue(&g, OWL_USERCLUE_CLASSES)) {
356    owl_global_set_default_style(&g, "default");
357  } else {
358    owl_global_set_default_style(&g, "basic");
359  }
360
[7d4fbcd]361  /* zlog in if we need to */
362  if (owl_global_is_startuplogin(&g)) {
[a0a5179]363    owl_function_debugmsg("startup: doing zlog in");
[31e48a3]364    owl_zephyr_zlog_in();
[7d4fbcd]365  }
366
[a0a5179]367  owl_function_debugmsg("startup: set style for the view");
[f1e629d]368  owl_view_set_style(owl_global_get_current_view(&g), 
369                     owl_global_get_style_by_name(&g, owl_global_get_default_style(&g)));   
[a0a5179]370
371  owl_function_debugmsg("startup: setting context interactive");
[7d4fbcd]372  owl_context_set_interactive(owl_global_get_context(&g));
373
[a15a84f]374  nexttimediff=10;
[4b464a4]375  nexttime=time(NULL);
376
[a0a5179]377  owl_function_debugmsg("startup: entering main loop");
[7d4fbcd]378  /* main loop */
379  while (1) {
380
381    /* if a resize has been scheduled, deal with it */
382    owl_global_resize(&g, 0, 0);
383
384    /* these are here in case a resize changes the windows */
385    msgwin=owl_global_get_curs_msgwin(&g);
386    recwin=owl_global_get_curs_recwin(&g);
387    sepwin=owl_global_get_curs_sepwin(&g);
388    typwin=owl_global_get_curs_typwin(&g);
389
390    followlast=owl_global_should_followlast(&g);
[5789230]391   
[a352335c]392    /* Do AIM stuff */
393    if (owl_global_is_doaimevents(&g)) {
[5789230]394      owl_aim_process_events();
[de03334]395
[a352335c]396      if (owl_global_is_aimloggedin(&g)) {
397        if (owl_timer_is_expired(owl_global_get_aim_buddyinfo_timer(&g))) {
[f4d0975]398          /* owl_buddylist_request_idletimes(owl_global_get_buddylist(&g)); */
[a352335c]399          owl_timer_reset(owl_global_get_aim_buddyinfo_timer(&g));
400        }
[de03334]401      }
[5789230]402    }
403
[4b464a4]404    /* little hack */
[a15a84f]405    now=time(NULL);
406    today=localtime(&now);
407    if (today->tm_mon==9 && today->tm_mday==31 && owl_global_get_runtime(&g)<600) {
[4b464a4]408      if (time(NULL)>nexttime) {
409        if (nexttimediff==1) {
[a15a84f]410          nexttimediff=10;
[4b464a4]411        } else {
412          nexttimediff=1;
413        }
414        nexttime+=nexttimediff;
415        owl_hack_animate();
416      }
417    }
418
[aac889a]419    /* Grab incoming messages. */
[d09e5a1]420    newmsgs=0;
[ced25d1]421    zpendcount=0;
[be0a79f]422    while(owl_zephyr_zpending() || owl_global_messagequeue_pending(&g)) {
[09489b89]423#ifdef HAVE_LIBZEPHYR
[7d4fbcd]424      struct sockaddr_in from;
[09489b89]425#endif
[e6449bc]426      owl_message *m=NULL;
[ecd5dc5]427      owl_filter *f;
[09489b89]428
[bd3f232]429      /* grab the new message, stick it in 'm' */
[be0a79f]430      if (owl_zephyr_zpending()) {
[09489b89]431#ifdef HAVE_LIBZEPHYR
[d09e5a1]432        /* grab a zephyr notice, but if we've done 20 without stopping,
433           take a break to process keystrokes etc. */
434        if (zpendcount>20) break;
435        ZReceiveNotice(&notice, &from);
436        zpendcount++;
437       
438        /* is this an ack from a zephyr we sent? */
439        if (owl_zephyr_notice_is_ack(&notice)) {
440          owl_zephyr_handle_ack(&notice);
441          continue;
442        }
443       
444        /* if it's a ping and we're not viewing pings then skip it */
445        if (!owl_global_is_rxping(&g) && !strcasecmp(notice.z_opcode, "ping")) {
446          continue;
447        }
[7d4fbcd]448
[d09e5a1]449        /* create the new message */
450        m=owl_malloc(sizeof(owl_message));
451        owl_message_create_from_znotice(m, &notice);
[09489b89]452#endif
[d09e5a1]453      } else if (owl_global_messagequeue_pending(&g)) {
454        m=owl_global_messageuque_popmsg(&g);
[7d4fbcd]455      }
456     
[bd3f232]457      /* if this message it on the puntlist, nuke it and continue */
[7d4fbcd]458      if (owl_global_message_is_puntable(&g, m)) {
459        owl_message_free(m);
460        continue;
461      }
462
463      /* otherwise add it to the global list */
464      owl_messagelist_append_element(owl_global_get_msglist(&g), m);
[d09e5a1]465      newmsgs=1;
[7d4fbcd]466
467      /* let the config know the new message has been received */
[f1e629d]468      owl_perlconfig_getmsg(m, 0, NULL);
[7d4fbcd]469
470      /* add it to any necessary views; right now there's only the current view */
471      owl_view_consider_message(owl_global_get_current_view(&g), m);
472
473      /* do we need to autoreply? */
[9854278]474      if (owl_global_is_zaway(&g) && !owl_message_get_attribute_value(m, "isauto")) {
[1077753b]475        if (owl_message_is_type_zephyr(m)) {
476          owl_zephyr_zaway(m);
477        } else if (owl_message_is_type_aim(m)) {
[e9f239b]478          if (owl_message_is_private(m)) {
479            owl_function_send_aimawymsg(owl_message_get_sender(m), owl_global_get_zaway_msg(&g));
480          }
[1077753b]481        }
[7d4fbcd]482      }
483
484      /* ring the bell if it's a personal */
[3abf28b]485      if (owl_global_is_personalbell(&g) &&
[5789230]486          !owl_message_is_loginout(m) &&
[dafd919]487          !owl_message_is_mail(m) &&
[5789230]488          owl_message_is_private(m)) {
[7d4fbcd]489        owl_function_beep();
490      }
491
[ecd5dc5]492      /* if it matches the alert filter, do the alert action */
493      f=owl_global_get_filter(&g, owl_global_get_alert_filter(&g));
494      if (f && owl_filter_message_match(f, m)) {
495        owl_function_command(owl_global_get_alert_action(&g));
496      }
497
[5a95b69]498      /* if it's a zephyr login or logout, update the zbuddylist */
499      if (owl_message_is_type_zephyr(m) && owl_message_is_loginout(m)) {
500        if (owl_message_is_login(m)) {
501          owl_zbuddylist_adduser(owl_global_get_zephyr_buddylist(&g), owl_message_get_sender(m));
502        } else if (owl_message_is_logout(m)) {
503          owl_zbuddylist_deluser(owl_global_get_zephyr_buddylist(&g), owl_message_get_sender(m));
504        } else {
505          owl_function_error("Internal error: received login notice that is neither login nor logout");
506        }
507      }
508
[7d4fbcd]509      /* check for burning ears message */
510      /* this is an unsupported feature */
511      if (owl_global_is_burningears(&g) && owl_message_is_burningears(m)) {
[1c6c4d3]512        char *buff;
513        buff = owl_sprintf("@i(Burning ears message on class %s)", owl_message_get_class(m));
[7d4fbcd]514        owl_function_adminmsg(buff, "");
[1c6c4d3]515        owl_free(buff);
[7d4fbcd]516        owl_function_beep();
517      }
518
[d09e5a1]519      /* log the message if we need to */
[7d4fbcd]520      if (owl_global_is_logging(&g) || owl_global_is_classlogging(&g)) {
521        owl_log_incoming(m);
522      }
523    }
524
[5a95b69]525    /* is it time to check zbuddies? */
526    if (owl_global_is_pseudologins(&g)) {
527      if (owl_timer_is_expired(owl_global_get_zephyr_buddycheck_timer(&g))) {
528        owl_function_debugmsg("Doing zephyr buddy check");
529        owl_function_zephyr_buddy_check(1);
530        owl_timer_reset(owl_global_get_zephyr_buddycheck_timer(&g));
531      }
532    }
533
[7d4fbcd]534    /* follow the last message if we're supposed to */
[d09e5a1]535    if (newmsgs && followlast) {
[7d4fbcd]536      owl_function_lastmsg_noredisplay();
537    }
[700c712]538
[ced25d1]539    /* do the newmsgproc thing */
[d09e5a1]540    if (newmsgs) {
[8f44c6b]541      owl_function_do_newmsgproc();
[700c712]542    }
[7d4fbcd]543   
544    /* redisplay if necessary */
[d09e5a1]545    /* this should be optimized to not run if the new messages won't be displayed */
546    if (newmsgs) {
[7d4fbcd]547      owl_mainwin_redisplay(owl_global_get_mainwin(&g));
548      sepbar(NULL);
549      if (owl_popwin_is_active(owl_global_get_popwin(&g))) {
550        owl_popwin_refresh(owl_global_get_popwin(&g));
551        /* TODO: this is a broken kludge */
552        if (owl_global_get_viewwin(&g)) {
553          owl_viewwin_redisplay(owl_global_get_viewwin(&g), 0);
554        }
555      }
556      owl_global_set_needrefresh(&g);
557    }
558
559    /* if a popwin just came up, refresh it */
560    pw=owl_global_get_popwin(&g);
561    if (owl_popwin_is_active(pw) && owl_popwin_needs_first_refresh(pw)) {
562      owl_popwin_refresh(pw);
563      owl_popwin_no_needs_first_refresh(pw);
564      owl_global_set_needrefresh(&g);
565      /* TODO: this is a broken kludge */
566      if (owl_global_get_viewwin(&g)) {
567        owl_viewwin_redisplay(owl_global_get_viewwin(&g), 0);
568      }
569    }
570
571    /* update the terminal if we need to */
572    if (owl_global_is_needrefresh(&g)) {
573      /* leave the cursor in the appropriate window */
574      if (owl_global_is_typwin_active(&g)) {
575        owl_function_set_cursor(typwin);
576      } else {
577        owl_function_set_cursor(sepwin);
578      }
579      doupdate();
580      owl_global_set_noneedrefresh(&g);
581    }
582
[bd3f232]583    /* Handle all keypresses.  If no key has been pressed, sleep for a
584     * little bit, but otherwise do not.  This lets input be grabbed
585     * as quickly as possbile */
[7d4fbcd]586    j=wgetch(typwin);
587    if (j==ERR) {
588      usleep(10);
589    } else {
[1fd4cd3e]590      /* find and activate the current keymap.
591       * TODO: this should really get fixed by activating
592       * keymaps as we switch between windows...
593       */
594      if (pw && owl_popwin_is_active(pw) && owl_global_get_viewwin(&g)) {
595        owl_context_set_popless(owl_global_get_context(&g), 
596                                owl_global_get_viewwin(&g));
597        owl_function_activate_keymap("popless");
598      } else if (owl_global_is_typwin_active(&g) 
599                 && owl_editwin_get_style(tw)==OWL_EDITWIN_STYLE_ONELINE) {
600        /*
601          owl_context_set_editline(owl_global_get_context(&g), tw);
602          owl_function_activate_keymap("editline");
603        */
604      } else if (owl_global_is_typwin_active(&g) 
605                 && owl_editwin_get_style(tw)==OWL_EDITWIN_STYLE_MULTILINE) {
606        owl_context_set_editmulti(owl_global_get_context(&g), tw);
607        owl_function_activate_keymap("editmulti");
608      } else {
609        owl_context_set_recv(owl_global_get_context(&g));
610        owl_function_activate_keymap("recv");
611      }
612      /* now actually handle the keypress */
613      ret = owl_keyhandler_process(owl_global_get_keyhandler(&g), j);
614      if (ret!=0 && ret!=1) {
615        owl_function_makemsg("Unable to handle keypress");
616      }
[7d4fbcd]617    }
[2a2bb60]618
619#if OWL_STDERR_REDIR
620    stderr_redirect(newstderr);
621#endif   
622
[c9e72d1]623    /* Log any error signals */
624    {
625      siginfo_t si;
626      int signum;
627      if ((signum = owl_global_get_errsignal_and_clear(&g, &si)) > 0) {
628        owl_function_error("Got unexpected signal: %d %s  (code: %d  fd: %d  band: %d  errno: %d)", 
629                           signum, signum==SIGPIPE?"SIGPIPE":"",
630                           si.si_code, si.si_fd, si.si_band, si.si_errno);
631      }
632    }
633
[7d4fbcd]634  }
635}
636
[de22c3d]637void sig_handler(int sig, siginfo_t *si, void *data)
638{
[7d4fbcd]639  if (sig==SIGWINCH) {
[bd3f232]640    /* we can't inturrupt a malloc here, so it just sets a flag
641     * schedulding a resize for later
642     */
[7d4fbcd]643    owl_function_resize();
[c9e72d1]644  } else if (sig==SIGPIPE) {
645    /* Set a flag and some info that we got the sigpipe
646     * so we can record that we got it and why... */
647    owl_global_set_errsignal(&g, sig, si);
[7d4fbcd]648  }
[c9e72d1]649
[7d4fbcd]650}
651
[de22c3d]652void usage()
653{
[e7cc1c3]654  fprintf(stderr, "Owl version %s\n", OWL_VERSION_STRING);
[a68f05d]655  fprintf(stderr, "Usage: owl [-n] [-d] [-D] [-v] [-h] [-c <configfile>] [-t <ttyname>]\n");
[e7cc1c3]656  fprintf(stderr, "  -n      don't load zephyr subscriptions\n");
657  fprintf(stderr, "  -d      enable debugging\n");
[a68f05d]658  fprintf(stderr, "  -D      enable debugging and delete previous debug file\n");
[e7cc1c3]659  fprintf(stderr, "  -v      print the Owl version number and exit\n");
660  fprintf(stderr, "  -h      print this help message\n");
661  fprintf(stderr, "  -c      specify an alternate config file\n");
662  fprintf(stderr, "  -t      set the tty name\n");
[7d4fbcd]663}
[2a2bb60]664
665#if OWL_STDERR_REDIR
666
667/* Replaces stderr with a pipe so that we can read from it.
668 * Returns the fd of the pipe from which stderr can be read. */
[de22c3d]669int stderr_replace(void)
670{
[2a2bb60]671  int pipefds[2];
672  if (0 != pipe(pipefds)) {
673    perror("pipe");
674    owl_function_debugmsg("stderr_replace: pipe FAILED\n");
675    return -1;
676  }
677    owl_function_debugmsg("stderr_replace: pipe: %d,%d\n", pipefds[0], pipefds[1]);
678  if (-1 == dup2(pipefds[1], 2 /*stderr*/)) {
679    owl_function_debugmsg("stderr_replace: dup2 FAILED (%s)\n", strerror(errno));
680    perror("dup2");
681    return -1;
682  }
683  return pipefds[0];
684}
685
686/* Sends stderr (read from rfd) messages to a file */
[de22c3d]687void stderr_redirect(int rfd)
688{
[2a2bb60]689  int navail, bread;
690  char *buf;
691  /*owl_function_debugmsg("stderr_redirect: called with rfd=%d\n", rfd);*/
692  if (rfd<0) return;
693  if (-1 == ioctl(rfd, FIONREAD, (void*)&navail)) {
694    return;
695  }
696  /*owl_function_debugmsg("stderr_redirect: navail = %d\n", navail);*/
697  if (navail<=0) return;
698  if (navail>256) { navail = 256; }
699  buf = owl_malloc(navail+1);
700  bread = read(rfd, buf, navail);
701  if (buf[navail-1] != '\0') {
702    buf[navail] = '\0';
703  }
704  owl_function_error("Err: %s", buf);
705  owl_free(buf);
706}
707
708#endif /* OWL_STDERR_REDIR */
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