source: owl.c @ e74e573

barnowl_perlaimdebianowlrelease-1.4release-1.5release-1.6release-1.7release-1.8release-1.9
Last change on this file since e74e573 was 176d3443, checked in by James M. Kretchmar <kretch@mit.edu>, 17 years ago
Deal gracefully with being resized as small as 1x1 [BZ 3]
  • Property mode set to 100644
File size: 25.4 KB
RevLine 
[5ca5f8e]1/*  Copyright (c) 2004 James Kretchmar. All rights reserved.
[7d4fbcd]2 *
[5ca5f8e]3 *  Redistribution and use in source and binary forms, with or without
4 *  modification, are permitted provided that the following conditions are
5 *  met:
6 * 
7 *    * Redistributions of source code must retain the above copyright
8 *      notice, this list of conditions and the following disclaimer.
9 * 
10 *    * Redistributions in binary form must reproduce the above copyright
11 *      notice, this list of conditions and the following disclaimer in
12 *      the documentation and/or other materials provided with the
13 *      distribution.
14 * 
15 *    * Redistributions in any form must be accompanied by information on
16 *      how to obtain complete source code for the Owl software and any
17 *      accompanying software that uses the Owl software. The source code
18 *      must either be included in the distribution or be available for no
19 *      more than the cost of distribution plus a nominal fee, and must be
20 *      freely redistributable under reasonable conditions. For an
21 *      executable file, complete source code means the source code for
22 *      all modules it contains. It does not include source code for
23 *      modules or files that typically accompany the major components of
24 *      the operating system on which the executable file runs.
25 * 
26 *
27 *  THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
28 *  IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
29 *  WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR
30 *  NON-INFRINGEMENT, ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE
31 *  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
32 *  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
33 *  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
34 *  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
35 *  WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
36 *  OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
37 *  IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
[7d4fbcd]38 */
39
40#include <stdio.h>
41#include <unistd.h>
42#include <stdlib.h>
43#include <string.h>
44#include <signal.h>
[5145235]45#include <time.h>
[7d4fbcd]46#include <sys/param.h>
[700c712]47#include <sys/types.h>
[8232149]48#include <termios.h>
[38cf544c]49#include <sys/stat.h>
[7d4fbcd]50#include "owl.h"
51
[2a2bb60]52#if OWL_STDERR_REDIR
[e8b95f8]53#ifdef HAVE_SYS_IOCTL_H
[2a2bb60]54#include <sys/ioctl.h>
[e8b95f8]55#endif
56#ifdef HAVE_SYS_FILIO_H
57#include <sys/filio.h>
58#endif
[2a2bb60]59int stderr_replace(void);
60#endif
61
[1aee7d9]62static const char fileIdent[] = "$Id$";
63
[b2b0773]64owl_global g;
65
[de22c3d]66int main(int argc, char **argv, char **env)
67{
[7d4fbcd]68  WINDOW *recwin, *sepwin, *typwin, *msgwin;
69  owl_editwin *tw;
70  owl_popwin *pw;
[ced25d1]71  int j, ret, initialsubs, debug, argcsave, followlast;
[d09e5a1]72  int newmsgs, zpendcount, nexttimediff;
[7d4fbcd]73  struct sigaction sigact;
[f1e629d]74  char *configfile, *tty, *perlout, *perlerr, **argvsave, buff[LINE], startupmsg[LINE];
[7d4fbcd]75  owl_filter *f;
[bd3f232]76  owl_style *s;
[a15a84f]77  time_t nexttime, now;
78  struct tm *today;
[38cf544c]79  char *dir;
[8232149]80  struct termios tio;
[09489b89]81#ifdef HAVE_LIBZEPHYR
[be0a79f]82  ZNotice_t notice;
[09489b89]83#endif
[2a2bb60]84#if OWL_STDERR_REDIR
85  int newstderr;
86#endif
[7d4fbcd]87
88  argcsave=argc;
89  argvsave=argv;
90  configfile=NULL;
91  tty=NULL;
92  debug=0;
[bd3f232]93  initialsubs=1;
[7d4fbcd]94  if (argc>0) {
95    argv++;
96    argc--;
97  }
98  while (argc>0) {
99    if (!strcmp(argv[0], "-n")) {
100      initialsubs=0;
101      argv++;
102      argc--;
103    } else if (!strcmp(argv[0], "-c")) {
104      if (argc<2) {
105        fprintf(stderr, "Too few arguments to -c\n");
106        usage();
107        exit(1);
108      }
109      configfile=argv[1];
110      argv+=2;
111      argc-=2;
112    } else if (!strcmp(argv[0], "-t")) {
113      if (argc<2) {
114        fprintf(stderr, "Too few arguments to -t\n");
115        usage();
116        exit(1);
117      }
118      tty=argv[1];
119      argv+=2;
120      argc-=2;
121    } else if (!strcmp(argv[0], "-d")) {
122      debug=1;
123      argv++;
124      argc--;
[a68f05d]125    } else if (!strcmp(argv[0], "-D")) {
126      debug=1;
127      unlink(OWL_DEBUG_FILE);
128      argv++;
129      argc--;
[7d4fbcd]130    } else if (!strcmp(argv[0], "-v")) {
131      printf("This is owl version %s\n", OWL_VERSION_STRING);
132      exit(0);
133    } else {
134      fprintf(stderr, "Uknown argument\n");
135      usage();       
136      exit(1);
137    }
138  }
139
[176d3443]140  owl_function_debugmsg("startup: Finished parsing arguments");
141
[be0a79f]142#ifdef HAVE_LIBZEPHYR
[7d4fbcd]143  /* zephyr init */
[be0a79f]144  ret=owl_zephyr_initialize();
145  if (ret) {
[7d4fbcd]146    exit(1);
147  }
[be0a79f]148#endif
149 
[7d4fbcd]150  /* signal handler */
[c9e72d1]151  /*sigact.sa_handler=sig_handler;*/
152  sigact.sa_sigaction=sig_handler;
[7d4fbcd]153  sigemptyset(&sigact.sa_mask);
[c9e72d1]154  sigact.sa_flags=SA_SIGINFO;
[7d4fbcd]155  sigaction(SIGWINCH, &sigact, NULL);
156  sigaction(SIGALRM, &sigact, NULL);
[c9e72d1]157  sigaction(SIGPIPE, &sigact, NULL);
[fe1f605]158  sigaction(SIGTERM, &sigact, NULL);
159  sigaction(SIGHUP, &sigact, NULL);
[7d4fbcd]160
[8232149]161  /* save initial terminal settings */
162  tcgetattr(0, owl_global_get_startup_tio(&g));
163
164  /* turn ISTRIP off */
165  tcgetattr(0, &tio);
166  tio.c_iflag &= ~ISTRIP;
167  tcsetattr(0, TCSAFLUSH, &tio);
168
[7d4fbcd]169  /* screen init */
[b20de4f]170  if (!getenv("TERMINFO")) {
171    sprintf(buff, "TERMINFO=%s", TERMINFO);
172    putenv(buff);
173    owl_function_debugmsg("startup: setting TERMINFO to %s", TERMINFO);
174  } else {
175    owl_function_debugmsg("startup: leaving TERMINFO as %s from envrionment", getenv("TERMINFO"));
176  }
[7d4fbcd]177  initscr();
178  start_color();
[ac70242]179#ifdef HAVE_USE_DEFAULT_COLORS
[7d4fbcd]180  use_default_colors();
[ac70242]181#endif
[7d4fbcd]182  raw();
183  noecho();
184
185  /* define simple color pairs */
186  if (has_colors() && COLOR_PAIRS>=8) {
187    init_pair(OWL_COLOR_BLACK,   COLOR_BLACK,   -1);
188    init_pair(OWL_COLOR_RED,     COLOR_RED,     -1);
189    init_pair(OWL_COLOR_GREEN,   COLOR_GREEN,   -1);
190    init_pair(OWL_COLOR_YELLOW,  COLOR_YELLOW,  -1);
191    init_pair(OWL_COLOR_BLUE,    COLOR_BLUE,    -1);
192    init_pair(OWL_COLOR_MAGENTA, COLOR_MAGENTA, -1);
193    init_pair(OWL_COLOR_CYAN,    COLOR_CYAN,    -1);
194    init_pair(OWL_COLOR_WHITE,   COLOR_WHITE,   -1);
195  }
[38cf544c]196
[bd3f232]197  /* owl global init */
[7d4fbcd]198  owl_global_init(&g);
199  if (debug) owl_global_set_debug_on(&g);
[b20de4f]200  owl_function_debugmsg("startup: first available debugging message");
[7d4fbcd]201  owl_global_set_startupargs(&g, argcsave, argvsave);
[09489b89]202#ifdef HAVE_LIBZEPHYR
203  owl_global_set_havezephyr(&g);
204#endif
205  owl_global_set_haveaim(&g);
[2a2bb60]206
207#if OWL_STDERR_REDIR
[a0a5179]208  /* Do this only after we've started curses up... */
209  owl_function_debugmsg("startup: doing stderr redirection");
[2a2bb60]210  newstderr = stderr_replace();
[afbf668]211  owl_muxevents_add(owl_global_get_muxevents(&g), newstderr, OWL_MUX_READ,
212                    stderr_redirect_handler, NULL);
[2a2bb60]213#endif   
214
[38cf544c]215  /* create the owl directory, in case it does not exist */
[a0a5179]216  owl_function_debugmsg("startup: creating owl directory, if not present");
[38cf544c]217  dir=owl_sprintf("%s/%s", owl_global_get_homedir(&g), OWL_CONFIG_DIR);
218  mkdir(dir, S_IRWXU);
219  owl_free(dir);
[5145235]220
[ced25d1]221  /* set the tty, either from the command line, or by figuring it out */
[a0a5179]222  owl_function_debugmsg("startup: setting tty name");
[61e79a9]223  if (tty) {
224    owl_global_set_tty(&g, tty);
225  } else {
226    owl_global_set_tty(&g, owl_util_get_default_tty());
227  }
[7d4fbcd]228
[bd3f232]229  /* setup the built-in styles */
[a0a5179]230  owl_function_debugmsg("startup: creating built-in styles");
[bd3f232]231  s=owl_malloc(sizeof(owl_style));
[176d3443]232  owl_style_create_internal(s, "default", &owl_stylefunc_default, "Default message formatting");
[bd3f232]233  owl_global_add_style(&g, s);
234
235  s=owl_malloc(sizeof(owl_style));
[176d3443]236  owl_style_create_internal(s, "basic", &owl_stylefunc_basic, "Basic message formatting.");
[bd3f232]237  owl_global_add_style(&g, s);
[ec6ff52]238#if 0
239  s=owl_malloc(sizeof(owl_style));
[176d3443]240  owl_style_create_internal(s, "vt", &owl_stylefunc_vt, "VT message formatting.");
[ec6ff52]241  owl_global_add_style(&g, s);
242#endif
[8b32593]243  s=owl_malloc(sizeof(owl_style));
[176d3443]244  owl_style_create_internal(s, "oneline", &owl_stylefunc_oneline, "Formats for one-line-per-message");
[8b32593]245  owl_global_add_style(&g, s);
246
[7d4fbcd]247  /* setup the default filters */
[3abf28b]248  /* the personal filter will need to change again when AIM chat's are
249   *  included.  Also, there should be an %aimme% */
[a0a5179]250  owl_function_debugmsg("startup: creating default filters");
[bd3f232]251  f=owl_malloc(sizeof(owl_filter));
[3abf28b]252  owl_filter_init_fromstring(f, "personal", "( type ^zephyr$ "
253                             "and class ^message$ and instance ^personal$ "
254                             "and ( recipient ^%me%$ or sender ^%me%$ ) ) "
[3723f31]255                             "or ( type ^aim$ and login ^none$ )");
[7d4fbcd]256  owl_list_append_element(owl_global_get_filterlist(&g), f);
257
[bd3f232]258  f=owl_malloc(sizeof(owl_filter));
[0c502e9]259  owl_filter_init_fromstring(f, "trash", "class ^mail$ or opcode ^ping$ or type ^admin$ or ( not login ^none$ )");
[7d4fbcd]260  owl_list_append_element(owl_global_get_filterlist(&g), f);
261
[bd3f232]262  f=owl_malloc(sizeof(owl_filter));
[0236842]263  owl_filter_init_fromstring(f, "ping", "opcode ^ping$");
264  owl_list_append_element(owl_global_get_filterlist(&g), f);
265
[bd3f232]266  f=owl_malloc(sizeof(owl_filter));
[0236842]267  owl_filter_init_fromstring(f, "auto", "opcode ^auto$");
268  owl_list_append_element(owl_global_get_filterlist(&g), f);
269
[bd3f232]270  f=owl_malloc(sizeof(owl_filter));
[0c502e9]271  owl_filter_init_fromstring(f, "login", "not login ^none$");
[0236842]272  owl_list_append_element(owl_global_get_filterlist(&g), f);
273
[bd3f232]274  f=owl_malloc(sizeof(owl_filter));
[7d4fbcd]275  owl_filter_init_fromstring(f, "reply-lockout", "class ^noc or class ^mail$");
276  owl_list_append_element(owl_global_get_filterlist(&g), f);
277
[bd3f232]278  f=owl_malloc(sizeof(owl_filter));
[5a6e6b9]279  owl_filter_init_fromstring(f, "out", "direction ^out$");
280  owl_list_append_element(owl_global_get_filterlist(&g), f);
281
[bd3f232]282  f=owl_malloc(sizeof(owl_filter));
[31e48a3]283  owl_filter_init_fromstring(f, "aim", "type ^aim$");
284  owl_list_append_element(owl_global_get_filterlist(&g), f);
285
[bd3f232]286  f=owl_malloc(sizeof(owl_filter));
[31e48a3]287  owl_filter_init_fromstring(f, "zephyr", "type ^zephyr$");
288  owl_list_append_element(owl_global_get_filterlist(&g), f);
289
[bd3f232]290  f=owl_malloc(sizeof(owl_filter));
[89426ab]291  owl_filter_init_fromstring(f, "none", "false");
292  owl_list_append_element(owl_global_get_filterlist(&g), f);
293
[bd3f232]294  f=owl_malloc(sizeof(owl_filter));
[89426ab]295  owl_filter_init_fromstring(f, "all", "true");
[7d4fbcd]296  owl_list_append_element(owl_global_get_filterlist(&g), f);
297
298  /* set the current view */
[a0a5179]299  owl_function_debugmsg("startup: setting the current view");
[c3ab155]300  owl_view_create(owl_global_get_current_view(&g), "main", f, owl_global_get_style_by_name(&g, "default"));
[7d4fbcd]301
[96f8e5b]302  /* AIM init */
[a0a5179]303  owl_function_debugmsg("startup: doing AIM initialization");
[96f8e5b]304  owl_aim_init();
305
[38cf544c]306  /* process the startup file */
[a0a5179]307  owl_function_debugmsg("startup: processing startup file");
[2404c3a]308  owl_function_source(NULL);
[38cf544c]309
[7d4fbcd]310  /* read the config file */
[a0a5179]311  owl_function_debugmsg("startup: processing config file");
[38cf544c]312  owl_context_set_readconfig(owl_global_get_context(&g));
[f1e629d]313  perlerr=owl_perlconfig_readconfig(configfile);
314  if (perlerr) {
[7d4fbcd]315    endwin();
[4e0f545]316    owl_function_error("Error parsing configfile: %s\n", perlerr);
317    fprintf(stderr, "\nError parsing configfile: %s\n", perlerr);
[c3acb0b]318    fflush(stderr);
[4e0f545]319    printf("\nError parsing configfile: %s\n", perlerr);
[c3acb0b]320    fflush(stdout);
[7d4fbcd]321    exit(1);
322  }
[ced25d1]323
[e075479]324  /* if the config defines a formatting function, add 'perl' as a style */
[bd3f232]325  if (owl_global_is_config_format(&g)) {
326    owl_function_debugmsg("Found perl formatting");
327    s=owl_malloc(sizeof(owl_style));
[f1e629d]328    owl_style_create_perl(s, "perl", "owl::_format_msg_legacy_wrap",
329                          "User-defined perl style that calls owl::format_msg"
330                          "with legacy global variable support");
[bd3f232]331    owl_global_add_style(&g, s);
[e075479]332    owl_global_set_default_style(&g, "perl");
[bd3f232]333  }
334
[ced25d1]335  /* execute the startup function in the configfile */
[a0a5179]336  owl_function_debugmsg("startup: executing perl startup, if applicable");
[f1e629d]337  perlout = owl_perlconfig_execute("owl::startup();");
[7d4fbcd]338  if (perlout) owl_free(perlout);
339 
340  /* hold on to the window names for convenience */
341  msgwin=owl_global_get_curs_msgwin(&g);
342  recwin=owl_global_get_curs_recwin(&g);
343  sepwin=owl_global_get_curs_sepwin(&g);
344  typwin=owl_global_get_curs_typwin(&g);
345  tw=owl_global_get_typwin(&g);
346
[252a5c2]347  /* welcome message */
[a0a5179]348  owl_function_debugmsg("startup: creating splash message");
[52f3507]349  strcpy(startupmsg, "-----------------------------------------------------------------------\n");
[252a5c2]350  sprintf(buff,      "Welcome to Owl version %s.  Press 'h' for on-line help. \n", OWL_VERSION_STRING);
351  strcat(startupmsg, buff);
[52f3507]352  strcat(startupmsg, "                                                                       \n");
353  strcat(startupmsg, "If you would like to receive release announcements about Owl you can   \n");
[7fad773]354  strcat(startupmsg, "join the owl-users mailing list at http://www.ktools.org/              \n");
[52f3507]355  strcat(startupmsg, "                                                                 ^ ^   \n");
356  strcat(startupmsg, "                                                                 OvO   \n");
[405d5e6]357  strcat(startupmsg, "Please report any bugs or suggestions to bug-owl@ktools.org     (   )  \n");
[52f3507]358  strcat(startupmsg, "-----------------------------------------------------------------m-m---\n");
[252a5c2]359  owl_function_adminmsg("", startupmsg);
360  sepbar(NULL);
361
[7d4fbcd]362  wrefresh(sepwin);
363
364  /* load zephyr subs */
[bd3f232]365  if (initialsubs) {
[4357be8]366    int ret2;
[a0a5179]367    owl_function_debugmsg("startup: loading initial zephyr subs");
[4357be8]368
369    /* load default subscriptions */
370    ret=owl_zephyr_loaddefaultsubs();
[252a5c2]371   
[4357be8]372    /* load subscriptions from subs file */
[95474d7]373    ret2=owl_zephyr_loadsubs(NULL, 0);
[4357be8]374
375    if (ret || ret2) {
376      owl_function_adminmsg("", "Error loading zephyr subscriptions");
377    } else if (ret2!=-1) {
[bd3f232]378      owl_global_add_userclue(&g, OWL_USERCLUE_CLASSES);
379    }
[7d4fbcd]380
[bd3f232]381    /* load login subscriptions */
382    if (owl_global_is_loginsubs(&g)) {
[a0a5179]383      owl_function_debugmsg("startup: loading login subs");
[bd3f232]384      owl_function_loadloginsubs(NULL);
385    }
[7d4fbcd]386  }
387
[5a95b69]388  /* First buddy check to sync the list without notifications */
389  owl_function_debugmsg("startup: doing initial zephyr buddy check");
[4357be8]390  /* owl_function_zephyr_buddy_check(0); */
[5a95b69]391
[f933403]392  /* set the startup and default style, based on userclue and presence of a
393   * formatting function */
[a0a5179]394  owl_function_debugmsg("startup: setting startup and default style");
[27c3a93]395  if (0 != strcmp(owl_global_get_default_style(&g), "__unspecified__")) {
396    /* the style was set by the user: leave it alone */
397  } else if (owl_global_is_config_format(&g)) {
[f933403]398    owl_global_set_default_style(&g, "perl");
399  } else if (owl_global_is_userclue(&g, OWL_USERCLUE_CLASSES)) {
400    owl_global_set_default_style(&g, "default");
401  } else {
402    owl_global_set_default_style(&g, "basic");
403  }
404
[7d4fbcd]405  /* zlog in if we need to */
406  if (owl_global_is_startuplogin(&g)) {
[a0a5179]407    owl_function_debugmsg("startup: doing zlog in");
[31e48a3]408    owl_zephyr_zlog_in();
[7d4fbcd]409  }
410
[a0a5179]411  owl_function_debugmsg("startup: set style for the view");
[f1e629d]412  owl_view_set_style(owl_global_get_current_view(&g), 
413                     owl_global_get_style_by_name(&g, owl_global_get_default_style(&g)));   
[a0a5179]414
415  owl_function_debugmsg("startup: setting context interactive");
[7d4fbcd]416  owl_context_set_interactive(owl_global_get_context(&g));
417
[a15a84f]418  nexttimediff=10;
[4b464a4]419  nexttime=time(NULL);
420
[a0a5179]421  owl_function_debugmsg("startup: entering main loop");
[7d4fbcd]422  /* main loop */
423  while (1) {
424
425    /* if a resize has been scheduled, deal with it */
426    owl_global_resize(&g, 0, 0);
427
428    /* these are here in case a resize changes the windows */
429    msgwin=owl_global_get_curs_msgwin(&g);
430    recwin=owl_global_get_curs_recwin(&g);
431    sepwin=owl_global_get_curs_sepwin(&g);
432    typwin=owl_global_get_curs_typwin(&g);
433
434    followlast=owl_global_should_followlast(&g);
[5789230]435   
[a352335c]436    /* Do AIM stuff */
437    if (owl_global_is_doaimevents(&g)) {
[5789230]438      owl_aim_process_events();
[de03334]439
[a352335c]440      if (owl_global_is_aimloggedin(&g)) {
441        if (owl_timer_is_expired(owl_global_get_aim_buddyinfo_timer(&g))) {
[f4d0975]442          /* owl_buddylist_request_idletimes(owl_global_get_buddylist(&g)); */
[a352335c]443          owl_timer_reset(owl_global_get_aim_buddyinfo_timer(&g));
444        }
[de03334]445      }
[5789230]446    }
447
[4b464a4]448    /* little hack */
[a15a84f]449    now=time(NULL);
450    today=localtime(&now);
451    if (today->tm_mon==9 && today->tm_mday==31 && owl_global_get_runtime(&g)<600) {
[4b464a4]452      if (time(NULL)>nexttime) {
453        if (nexttimediff==1) {
[a15a84f]454          nexttimediff=10;
[4b464a4]455        } else {
456          nexttimediff=1;
457        }
458        nexttime+=nexttimediff;
459        owl_hack_animate();
460      }
461    }
462
[aac889a]463    /* Grab incoming messages. */
[d09e5a1]464    newmsgs=0;
[ced25d1]465    zpendcount=0;
[be0a79f]466    while(owl_zephyr_zpending() || owl_global_messagequeue_pending(&g)) {
[09489b89]467#ifdef HAVE_LIBZEPHYR
[7d4fbcd]468      struct sockaddr_in from;
[09489b89]469#endif
[e6449bc]470      owl_message *m=NULL;
[ecd5dc5]471      owl_filter *f;
[09489b89]472
[bd3f232]473      /* grab the new message, stick it in 'm' */
[be0a79f]474      if (owl_zephyr_zpending()) {
[09489b89]475#ifdef HAVE_LIBZEPHYR
[d09e5a1]476        /* grab a zephyr notice, but if we've done 20 without stopping,
477           take a break to process keystrokes etc. */
478        if (zpendcount>20) break;
479        ZReceiveNotice(&notice, &from);
480        zpendcount++;
481       
482        /* is this an ack from a zephyr we sent? */
483        if (owl_zephyr_notice_is_ack(&notice)) {
484          owl_zephyr_handle_ack(&notice);
485          continue;
486        }
487       
488        /* if it's a ping and we're not viewing pings then skip it */
489        if (!owl_global_is_rxping(&g) && !strcasecmp(notice.z_opcode, "ping")) {
490          continue;
491        }
[7d4fbcd]492
[d09e5a1]493        /* create the new message */
494        m=owl_malloc(sizeof(owl_message));
495        owl_message_create_from_znotice(m, &notice);
[09489b89]496#endif
[d09e5a1]497      } else if (owl_global_messagequeue_pending(&g)) {
[74037d9]498        /* pick up the non-zephyr message in the message queue */
[d09e5a1]499        m=owl_global_messageuque_popmsg(&g);
[74037d9]500      } else {
501        /* Not supposed to happen, but we seem to get here on resizes */
502        owl_function_debugmsg("Bottomed out looking for zephyr");
503      }
504
505      /* If we didn't pick up a message for some reason, don't go on */
506      if (m==NULL) {
507        owl_function_debugmsg("m is null in main loop");
508        continue;
[7d4fbcd]509      }
510     
[bd3f232]511      /* if this message it on the puntlist, nuke it and continue */
[7d4fbcd]512      if (owl_global_message_is_puntable(&g, m)) {
513        owl_message_free(m);
514        continue;
515      }
516
[280ddc6]517      /*  login or logout that should be ignored? */
518      if (owl_global_is_ignorelogins(&g) && owl_message_is_loginout(m)) {
519        owl_message_free(m);
520        continue;
521      }
522
[7d4fbcd]523      /* otherwise add it to the global list */
524      owl_messagelist_append_element(owl_global_get_msglist(&g), m);
[d09e5a1]525      newmsgs=1;
[7d4fbcd]526
527      /* let the config know the new message has been received */
[f1e629d]528      owl_perlconfig_getmsg(m, 0, NULL);
[7d4fbcd]529
530      /* add it to any necessary views; right now there's only the current view */
531      owl_view_consider_message(owl_global_get_current_view(&g), m);
532
533      /* do we need to autoreply? */
[9854278]534      if (owl_global_is_zaway(&g) && !owl_message_get_attribute_value(m, "isauto")) {
[1077753b]535        if (owl_message_is_type_zephyr(m)) {
536          owl_zephyr_zaway(m);
537        } else if (owl_message_is_type_aim(m)) {
[e9f239b]538          if (owl_message_is_private(m)) {
539            owl_function_send_aimawymsg(owl_message_get_sender(m), owl_global_get_zaway_msg(&g));
540          }
[1077753b]541        }
[7d4fbcd]542      }
543
544      /* ring the bell if it's a personal */
[5d365f6]545      if (!strcmp(owl_global_get_personalbell(&g), "on")) {
546          if (!owl_message_is_loginout(m) &&
547              !owl_message_is_mail(m) &&
548              owl_message_is_private(m)) {
549            owl_function_beep();
550          }
551      } else if (!strcmp(owl_global_get_personalbell(&g), "off")) {
552        /* do nothing */
553      } else {
554        f=owl_global_get_filter(&g, owl_global_get_personalbell(&g));
555        if (f && owl_filter_message_match(f, m)) {
556          owl_function_beep();
557        }
[7d4fbcd]558      }
559
[5d365f6]560
[ecd5dc5]561      /* if it matches the alert filter, do the alert action */
562      f=owl_global_get_filter(&g, owl_global_get_alert_filter(&g));
563      if (f && owl_filter_message_match(f, m)) {
564        owl_function_command(owl_global_get_alert_action(&g));
565      }
566
[5a95b69]567      /* if it's a zephyr login or logout, update the zbuddylist */
568      if (owl_message_is_type_zephyr(m) && owl_message_is_loginout(m)) {
569        if (owl_message_is_login(m)) {
570          owl_zbuddylist_adduser(owl_global_get_zephyr_buddylist(&g), owl_message_get_sender(m));
571        } else if (owl_message_is_logout(m)) {
572          owl_zbuddylist_deluser(owl_global_get_zephyr_buddylist(&g), owl_message_get_sender(m));
573        } else {
574          owl_function_error("Internal error: received login notice that is neither login nor logout");
575        }
576      }
577
[7d4fbcd]578      /* check for burning ears message */
579      /* this is an unsupported feature */
580      if (owl_global_is_burningears(&g) && owl_message_is_burningears(m)) {
[1c6c4d3]581        char *buff;
582        buff = owl_sprintf("@i(Burning ears message on class %s)", owl_message_get_class(m));
[7d4fbcd]583        owl_function_adminmsg(buff, "");
[1c6c4d3]584        owl_free(buff);
[7d4fbcd]585        owl_function_beep();
586      }
587
[d09e5a1]588      /* log the message if we need to */
[15b34fd]589      owl_log_message(m);
[7d4fbcd]590    }
591
[5a95b69]592    /* is it time to check zbuddies? */
593    if (owl_global_is_pseudologins(&g)) {
594      if (owl_timer_is_expired(owl_global_get_zephyr_buddycheck_timer(&g))) {
595        owl_function_debugmsg("Doing zephyr buddy check");
596        owl_function_zephyr_buddy_check(1);
597        owl_timer_reset(owl_global_get_zephyr_buddycheck_timer(&g));
598      }
599    }
600
[afbf668]601    /* dispatch any muxevents */
602    owl_muxevents_dispatch(owl_global_get_muxevents(&g), 0);
603
[7d4fbcd]604    /* follow the last message if we're supposed to */
[d09e5a1]605    if (newmsgs && followlast) {
[7d4fbcd]606      owl_function_lastmsg_noredisplay();
607    }
[700c712]608
[ced25d1]609    /* do the newmsgproc thing */
[d09e5a1]610    if (newmsgs) {
[8f44c6b]611      owl_function_do_newmsgproc();
[700c712]612    }
[7d4fbcd]613   
614    /* redisplay if necessary */
[d09e5a1]615    /* this should be optimized to not run if the new messages won't be displayed */
616    if (newmsgs) {
[7d4fbcd]617      owl_mainwin_redisplay(owl_global_get_mainwin(&g));
618      sepbar(NULL);
619      if (owl_popwin_is_active(owl_global_get_popwin(&g))) {
620        owl_popwin_refresh(owl_global_get_popwin(&g));
621        /* TODO: this is a broken kludge */
622        if (owl_global_get_viewwin(&g)) {
623          owl_viewwin_redisplay(owl_global_get_viewwin(&g), 0);
624        }
625      }
626      owl_global_set_needrefresh(&g);
627    }
628
629    /* if a popwin just came up, refresh it */
630    pw=owl_global_get_popwin(&g);
631    if (owl_popwin_is_active(pw) && owl_popwin_needs_first_refresh(pw)) {
632      owl_popwin_refresh(pw);
633      owl_popwin_no_needs_first_refresh(pw);
634      owl_global_set_needrefresh(&g);
635      /* TODO: this is a broken kludge */
636      if (owl_global_get_viewwin(&g)) {
637        owl_viewwin_redisplay(owl_global_get_viewwin(&g), 0);
638      }
639    }
640
641    /* update the terminal if we need to */
642    if (owl_global_is_needrefresh(&g)) {
643      /* leave the cursor in the appropriate window */
644      if (owl_global_is_typwin_active(&g)) {
645        owl_function_set_cursor(typwin);
646      } else {
647        owl_function_set_cursor(sepwin);
648      }
649      doupdate();
650      owl_global_set_noneedrefresh(&g);
651    }
652
[bd3f232]653    /* Handle all keypresses.  If no key has been pressed, sleep for a
654     * little bit, but otherwise do not.  This lets input be grabbed
655     * as quickly as possbile */
[7d4fbcd]656    j=wgetch(typwin);
657    if (j==ERR) {
658      usleep(10);
659    } else {
[1fd4cd3e]660      /* find and activate the current keymap.
661       * TODO: this should really get fixed by activating
662       * keymaps as we switch between windows...
663       */
664      if (pw && owl_popwin_is_active(pw) && owl_global_get_viewwin(&g)) {
665        owl_context_set_popless(owl_global_get_context(&g), 
666                                owl_global_get_viewwin(&g));
667        owl_function_activate_keymap("popless");
668      } else if (owl_global_is_typwin_active(&g) 
669                 && owl_editwin_get_style(tw)==OWL_EDITWIN_STYLE_ONELINE) {
670        /*
671          owl_context_set_editline(owl_global_get_context(&g), tw);
672          owl_function_activate_keymap("editline");
673        */
674      } else if (owl_global_is_typwin_active(&g) 
675                 && owl_editwin_get_style(tw)==OWL_EDITWIN_STYLE_MULTILINE) {
676        owl_context_set_editmulti(owl_global_get_context(&g), tw);
677        owl_function_activate_keymap("editmulti");
678      } else {
679        owl_context_set_recv(owl_global_get_context(&g));
680        owl_function_activate_keymap("recv");
681      }
682      /* now actually handle the keypress */
683      ret = owl_keyhandler_process(owl_global_get_keyhandler(&g), j);
684      if (ret!=0 && ret!=1) {
685        owl_function_makemsg("Unable to handle keypress");
686      }
[7d4fbcd]687    }
[2a2bb60]688
[c9e72d1]689    /* Log any error signals */
690    {
691      siginfo_t si;
692      int signum;
693      if ((signum = owl_global_get_errsignal_and_clear(&g, &si)) > 0) {
[81634b6]694        owl_function_error("Got unexpected signal: %d %s  (code: %d band: %d  errno: %d)", 
[afbf668]695                           signum, signum==SIGPIPE?"SIGPIPE":"SIG????",
[81634b6]696                           si.si_code, si.si_band, si.si_errno);
[c9e72d1]697      }
698    }
699
[7d4fbcd]700  }
701}
702
[de22c3d]703void sig_handler(int sig, siginfo_t *si, void *data)
704{
[7d4fbcd]705  if (sig==SIGWINCH) {
[bd3f232]706    /* we can't inturrupt a malloc here, so it just sets a flag
707     * schedulding a resize for later
708     */
[7d4fbcd]709    owl_function_resize();
[afbf668]710  } else if (sig==SIGPIPE || sig==SIGCHLD) {
[c9e72d1]711    /* Set a flag and some info that we got the sigpipe
712     * so we can record that we got it and why... */
713    owl_global_set_errsignal(&g, sig, si);
[fe1f605]714  } else if (sig==SIGTERM || sig==SIGHUP) {
715    owl_function_quit();
[7d4fbcd]716  }
[c9e72d1]717
[7d4fbcd]718}
719
[de22c3d]720void usage()
721{
[e7cc1c3]722  fprintf(stderr, "Owl version %s\n", OWL_VERSION_STRING);
[a68f05d]723  fprintf(stderr, "Usage: owl [-n] [-d] [-D] [-v] [-h] [-c <configfile>] [-t <ttyname>]\n");
[e7cc1c3]724  fprintf(stderr, "  -n      don't load zephyr subscriptions\n");
725  fprintf(stderr, "  -d      enable debugging\n");
[a68f05d]726  fprintf(stderr, "  -D      enable debugging and delete previous debug file\n");
[e7cc1c3]727  fprintf(stderr, "  -v      print the Owl version number and exit\n");
728  fprintf(stderr, "  -h      print this help message\n");
729  fprintf(stderr, "  -c      specify an alternate config file\n");
730  fprintf(stderr, "  -t      set the tty name\n");
[7d4fbcd]731}
[2a2bb60]732
733#if OWL_STDERR_REDIR
734
735/* Replaces stderr with a pipe so that we can read from it.
736 * Returns the fd of the pipe from which stderr can be read. */
[de22c3d]737int stderr_replace(void)
738{
[2a2bb60]739  int pipefds[2];
740  if (0 != pipe(pipefds)) {
741    perror("pipe");
742    owl_function_debugmsg("stderr_replace: pipe FAILED\n");
743    return -1;
744  }
745    owl_function_debugmsg("stderr_replace: pipe: %d,%d\n", pipefds[0], pipefds[1]);
746  if (-1 == dup2(pipefds[1], 2 /*stderr*/)) {
747    owl_function_debugmsg("stderr_replace: dup2 FAILED (%s)\n", strerror(errno));
748    perror("dup2");
749    return -1;
750  }
751  return pipefds[0];
752}
753
[afbf668]754/* Sends stderr (read from rfd) messages to the error console */
755void stderr_redirect_handler(int handle, int rfd, int eventmask, void *data) 
[de22c3d]756{
[2a2bb60]757  int navail, bread;
758  char *buf;
759  /*owl_function_debugmsg("stderr_redirect: called with rfd=%d\n", rfd);*/
760  if (rfd<0) return;
761  if (-1 == ioctl(rfd, FIONREAD, (void*)&navail)) {
762    return;
763  }
764  /*owl_function_debugmsg("stderr_redirect: navail = %d\n", navail);*/
765  if (navail<=0) return;
766  if (navail>256) { navail = 256; }
767  buf = owl_malloc(navail+1);
768  bread = read(rfd, buf, navail);
769  if (buf[navail-1] != '\0') {
770    buf[navail] = '\0';
771  }
772  owl_function_error("Err: %s", buf);
773  owl_free(buf);
774}
775
776#endif /* OWL_STDERR_REDIR */
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