source: owl.c @ 625802a

barnowl_perlaimdebianrelease-1.4release-1.5release-1.6release-1.7release-1.8release-1.9
Last change on this file since 625802a was 625802a, checked in by Alejandro R. Sedeño <asedeno@mit.edu>, 14 years ago
Merged revisions 882-908 via svnmerge from file:///afs/sipb.mit.edu/project/barnowl/src/svn/trunk ........ r889 | nelhage | 2008-01-16 22:03:00 -0500 (Wed, 16 Jan 2008) | 4 lines Rewrite ::Connection to not subclass Net::IRC::Connection to avoid stupid namespace conflicts ........ r890 | nelhage | 2008-01-16 22:07:42 -0500 (Wed, 16 Jan 2008) | 2 lines svn:ignore for great justice ........ r894 | asedeno | 2008-01-17 02:13:44 -0500 (Thu, 17 Jan 2008) | 2 lines dropping one unnecessary time(NULL) call. ........ r898 | geofft | 2008-01-18 08:58:53 -0500 (Fri, 18 Jan 2008) | 4 lines * minor changes to IRC * run ./svkversion only once rather than at every cc * fix one-line style to format logouts, not just logins ........ r900 | nelhage | 2008-01-23 23:20:12 -0500 (Wed, 23 Jan 2008) | 3 lines Fix the error messages sending to users who don't exist or aren't signed on. ........
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[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>
[34509d5]50#include <locale.h>
[7d4fbcd]51#include "owl.h"
52
[2a2bb60]53#if OWL_STDERR_REDIR
[e8b95f8]54#ifdef HAVE_SYS_IOCTL_H
[2a2bb60]55#include <sys/ioctl.h>
[e8b95f8]56#endif
57#ifdef HAVE_SYS_FILIO_H
58#include <sys/filio.h>
59#endif
[2a2bb60]60int stderr_replace(void);
61#endif
62
[1aee7d9]63static const char fileIdent[] = "$Id$";
64
[b2b0773]65owl_global g;
66
[de22c3d]67int main(int argc, char **argv, char **env)
68{
[7d4fbcd]69  WINDOW *recwin, *sepwin, *typwin, *msgwin;
70  owl_editwin *tw;
71  owl_popwin *pw;
[47519e1b]72  int ret, initialsubs, debug, argcsave, followlast;
[428834d]73  owl_input j;
[13a3c1db]74  int newmsgs, nexttimediff;
[7d4fbcd]75  struct sigaction sigact;
[2fa15f0]76  char *configfile, *tty, *perlout, *perlerr, **argvsave, buff[LINE], startupmsg[LINE];
[b363d83]77  char *confdir;
[7d4fbcd]78  owl_filter *f;
[bd3f232]79  owl_style *s;
[a15a84f]80  time_t nexttime, now;
81  struct tm *today;
[38cf544c]82  char *dir;
[8232149]83  struct termios tio;
[13a3c1db]84  owl_message *m;
[2a2bb60]85#if OWL_STDERR_REDIR
86  int newstderr;
87#endif
[c60ade2]88 
89  if (!GLIB_CHECK_VERSION (2, 12, 0))
90    g_error ("GLib version 2.12.0 or above is needed.");
[7d4fbcd]91
92  argcsave=argc;
93  argvsave=argv;
94  configfile=NULL;
[b363d83]95  confdir = NULL;
[7d4fbcd]96  tty=NULL;
97  debug=0;
[bd3f232]98  initialsubs=1;
[34509d5]99
100  setlocale(LC_ALL, "");
101 
[7d4fbcd]102  if (argc>0) {
103    argv++;
104    argc--;
105  }
106  while (argc>0) {
107    if (!strcmp(argv[0], "-n")) {
108      initialsubs=0;
109      argv++;
110      argc--;
111    } else if (!strcmp(argv[0], "-c")) {
112      if (argc<2) {
[b363d83]113        fprintf(stderr, "Too few arguments to -c\n");
114        usage();
115        exit(1);
[7d4fbcd]116      }
117      configfile=argv[1];
118      argv+=2;
119      argc-=2;
120    } else if (!strcmp(argv[0], "-t")) {
121      if (argc<2) {
[b363d83]122        fprintf(stderr, "Too few arguments to -t\n");
123        usage();
124        exit(1);
[7d4fbcd]125      }
126      tty=argv[1];
127      argv+=2;
128      argc-=2;
[b363d83]129    } else if (!strcmp(argv[0], "-s")){
130      if (argc<2) {
131        fprintf(stderr, "Too few arguments to -s\n");
132        usage();
133        exit(1);
134      }
135      confdir = argv[1];
136      argv+=2;
137      argc-=2;
[7d4fbcd]138    } else if (!strcmp(argv[0], "-d")) {
139      debug=1;
140      argv++;
141      argc--;
[a68f05d]142    } else if (!strcmp(argv[0], "-D")) {
143      debug=1;
144      unlink(OWL_DEBUG_FILE);
145      argv++;
146      argc--;
[7d4fbcd]147    } else if (!strcmp(argv[0], "-v")) {
[78667f3]148      printf("This is barnowl version %s\n", OWL_VERSION_STRING);
[7d4fbcd]149      exit(0);
150    } else {
151      fprintf(stderr, "Uknown argument\n");
152      usage();       
153      exit(1);
154    }
155  }
156
[176d3443]157  owl_function_debugmsg("startup: Finished parsing arguments");
158
[7d4fbcd]159  /* signal handler */
[c9e72d1]160  /*sigact.sa_handler=sig_handler;*/
161  sigact.sa_sigaction=sig_handler;
[7d4fbcd]162  sigemptyset(&sigact.sa_mask);
[c9e72d1]163  sigact.sa_flags=SA_SIGINFO;
[7d4fbcd]164  sigaction(SIGWINCH, &sigact, NULL);
165  sigaction(SIGALRM, &sigact, NULL);
[c9e72d1]166  sigaction(SIGPIPE, &sigact, NULL);
[fe1f605]167  sigaction(SIGTERM, &sigact, NULL);
168  sigaction(SIGHUP, &sigact, NULL);
[7d4fbcd]169
[8232149]170  /* save initial terminal settings */
171  tcgetattr(0, owl_global_get_startup_tio(&g));
172
173  /* turn ISTRIP off */
174  tcgetattr(0, &tio);
175  tio.c_iflag &= ~ISTRIP;
176  tcsetattr(0, TCSAFLUSH, &tio);
177
[7d4fbcd]178  /* screen init */
[b20de4f]179  if (!getenv("TERMINFO")) {
[18e28a4]180    owl_function_debugmsg("startup: Not setting TERMINFO");
[b20de4f]181  } else {
182    owl_function_debugmsg("startup: leaving TERMINFO as %s from envrionment", getenv("TERMINFO"));
183  }
[7d4fbcd]184  initscr();
185  start_color();
[ac70242]186#ifdef HAVE_USE_DEFAULT_COLORS
[7d4fbcd]187  use_default_colors();
[ac70242]188#endif
[7d4fbcd]189  raw();
190  noecho();
191
192  /* define simple color pairs */
193  if (has_colors() && COLOR_PAIRS>=8) {
[8fa9562]194    int bg = COLOR_BLACK;
195#ifdef HAVE_USE_DEFAULT_COLORS
196    bg = -1;
197#endif
198    init_pair(OWL_COLOR_BLACK,   COLOR_BLACK,   bg);
199    init_pair(OWL_COLOR_RED,     COLOR_RED,     bg);
200    init_pair(OWL_COLOR_GREEN,   COLOR_GREEN,   bg);
201    init_pair(OWL_COLOR_YELLOW,  COLOR_YELLOW,  bg);
202    init_pair(OWL_COLOR_BLUE,    COLOR_BLUE,    bg);
203    init_pair(OWL_COLOR_MAGENTA, COLOR_MAGENTA, bg);
204    init_pair(OWL_COLOR_CYAN,    COLOR_CYAN,    bg);
205    init_pair(OWL_COLOR_WHITE,   COLOR_WHITE,   bg);
[7d4fbcd]206  }
[38cf544c]207
[bd3f232]208  /* owl global init */
[7d4fbcd]209  owl_global_init(&g);
[b363d83]210  if (debug) owl_global_set_debug_on(&g);
211  if (confdir) owl_global_set_confdir(&g, confdir);
[b20de4f]212  owl_function_debugmsg("startup: first available debugging message");
[7d4fbcd]213  owl_global_set_startupargs(&g, argcsave, argvsave);
[09489b89]214  owl_global_set_haveaim(&g);
[2a2bb60]215
[596c22df]216#ifdef HAVE_LIBZEPHYR
217  /* zephyr init */
218  ret=owl_zephyr_initialize();
219  if (!ret)
220      owl_global_set_havezephyr(&g);
221#endif
222
[2a2bb60]223#if OWL_STDERR_REDIR
[a0a5179]224  /* Do this only after we've started curses up... */
225  owl_function_debugmsg("startup: doing stderr redirection");
[2a2bb60]226  newstderr = stderr_replace();
[afbf668]227  owl_muxevents_add(owl_global_get_muxevents(&g), newstderr, OWL_MUX_READ,
228                    stderr_redirect_handler, NULL);
[2a2bb60]229#endif   
230
[38cf544c]231  /* create the owl directory, in case it does not exist */
[a0a5179]232  owl_function_debugmsg("startup: creating owl directory, if not present");
[b363d83]233  dir=owl_global_get_confdir(&g);
[38cf544c]234  mkdir(dir, S_IRWXU);
[5145235]235
[ced25d1]236  /* set the tty, either from the command line, or by figuring it out */
[a0a5179]237  owl_function_debugmsg("startup: setting tty name");
[61e79a9]238  if (tty) {
239    owl_global_set_tty(&g, tty);
240  } else {
241    owl_global_set_tty(&g, owl_util_get_default_tty());
242  }
[7d4fbcd]243
[b6c067a]244  /* Initialize perl */
245  owl_function_debugmsg("startup: processing config file");
246  owl_context_set_readconfig(owl_global_get_context(&g));
247  perlerr=owl_perlconfig_initperl(configfile);
248  if (perlerr) {
249    endwin();
250    owl_function_error("Internal perl error: %s\n", perlerr);
251    fprintf(stderr, "Internal perl error: %s\n", perlerr);
252    fflush(stderr);
253    printf("Internal perl error: %s\n", perlerr);
254    fflush(stdout);
255    exit(1);
256  }
257
[bd3f232]258  /* setup the built-in styles */
[a0a5179]259  owl_function_debugmsg("startup: creating built-in styles");
[bd3f232]260
261  s=owl_malloc(sizeof(owl_style));
[176d3443]262  owl_style_create_internal(s, "basic", &owl_stylefunc_basic, "Basic message formatting.");
[bd3f232]263  owl_global_add_style(&g, s);
[8b32593]264
[7d4fbcd]265  /* setup the default filters */
[3abf28b]266  /* the personal filter will need to change again when AIM chat's are
267   *  included.  Also, there should be an %aimme% */
[a0a5179]268  owl_function_debugmsg("startup: creating default filters");
[bd3f232]269  f=owl_malloc(sizeof(owl_filter));
[095e717]270  owl_filter_init_fromstring(f, "personal", "isprivate ^true$ and ( not type ^zephyr$"
271                             " or ( class ^message and"
272                             " ( instance ^personal$ or instance ^urgent$ ) ) )");
[7d4fbcd]273  owl_list_append_element(owl_global_get_filterlist(&g), f);
274
[bd3f232]275  f=owl_malloc(sizeof(owl_filter));
[fa86732]276  owl_filter_init_fromstring(f, "wordwrap", "not ( type ^admin$ or type ^zephyr$ ) ");
277  owl_list_append_element(owl_global_get_filterlist(&g), f);
278
279  f=owl_malloc(sizeof(owl_filter));
[0c502e9]280  owl_filter_init_fromstring(f, "trash", "class ^mail$ or opcode ^ping$ or type ^admin$ or ( not login ^none$ )");
[7d4fbcd]281  owl_list_append_element(owl_global_get_filterlist(&g), f);
282
[bd3f232]283  f=owl_malloc(sizeof(owl_filter));
[0236842]284  owl_filter_init_fromstring(f, "ping", "opcode ^ping$");
285  owl_list_append_element(owl_global_get_filterlist(&g), f);
286
[bd3f232]287  f=owl_malloc(sizeof(owl_filter));
[0236842]288  owl_filter_init_fromstring(f, "auto", "opcode ^auto$");
289  owl_list_append_element(owl_global_get_filterlist(&g), f);
290
[bd3f232]291  f=owl_malloc(sizeof(owl_filter));
[0c502e9]292  owl_filter_init_fromstring(f, "login", "not login ^none$");
[0236842]293  owl_list_append_element(owl_global_get_filterlist(&g), f);
294
[bd3f232]295  f=owl_malloc(sizeof(owl_filter));
[7d4fbcd]296  owl_filter_init_fromstring(f, "reply-lockout", "class ^noc or class ^mail$");
297  owl_list_append_element(owl_global_get_filterlist(&g), f);
298
[bd3f232]299  f=owl_malloc(sizeof(owl_filter));
[5a6e6b9]300  owl_filter_init_fromstring(f, "out", "direction ^out$");
301  owl_list_append_element(owl_global_get_filterlist(&g), f);
302
[bd3f232]303  f=owl_malloc(sizeof(owl_filter));
[31e48a3]304  owl_filter_init_fromstring(f, "aim", "type ^aim$");
305  owl_list_append_element(owl_global_get_filterlist(&g), f);
306
[bd3f232]307  f=owl_malloc(sizeof(owl_filter));
[31e48a3]308  owl_filter_init_fromstring(f, "zephyr", "type ^zephyr$");
309  owl_list_append_element(owl_global_get_filterlist(&g), f);
310
[bd3f232]311  f=owl_malloc(sizeof(owl_filter));
[89426ab]312  owl_filter_init_fromstring(f, "none", "false");
313  owl_list_append_element(owl_global_get_filterlist(&g), f);
314
[bd3f232]315  f=owl_malloc(sizeof(owl_filter));
[89426ab]316  owl_filter_init_fromstring(f, "all", "true");
[7d4fbcd]317  owl_list_append_element(owl_global_get_filterlist(&g), f);
318
319  /* set the current view */
[a0a5179]320  owl_function_debugmsg("startup: setting the current view");
[c3ab155]321  owl_view_create(owl_global_get_current_view(&g), "main", f, owl_global_get_style_by_name(&g, "default"));
[7d4fbcd]322
[96f8e5b]323  /* AIM init */
[a0a5179]324  owl_function_debugmsg("startup: doing AIM initialization");
[96f8e5b]325  owl_aim_init();
326
[ced25d1]327  /* execute the startup function in the configfile */
[a0a5179]328  owl_function_debugmsg("startup: executing perl startup, if applicable");
[0337203]329  perlout = owl_perlconfig_execute("BarnOwl::Hooks::_startup();");
[7d4fbcd]330  if (perlout) owl_free(perlout);
[212764e]331
[7d4fbcd]332  /* hold on to the window names for convenience */
333  msgwin=owl_global_get_curs_msgwin(&g);
334  recwin=owl_global_get_curs_recwin(&g);
335  sepwin=owl_global_get_curs_sepwin(&g);
336  typwin=owl_global_get_curs_typwin(&g);
337  tw=owl_global_get_typwin(&g);
338
[252a5c2]339  /* welcome message */
[a0a5179]340  owl_function_debugmsg("startup: creating splash message");
[52f3507]341  strcpy(startupmsg, "-----------------------------------------------------------------------\n");
[c2c5c77]342  sprintf(buff,      "Welcome to barnowl version %s.  Press 'h' for on-line help.            \n", OWL_VERSION_STRING);
[252a5c2]343  strcat(startupmsg, buff);
[52f3507]344  strcat(startupmsg, "                                                                       \n");
[c2c5c77]345  strcat(startupmsg, "This is a development build of barnowl. If you are using this          \n");
346  strcat(startupmsg, "build regularly, please add yourself to barnowl-users@mit.edu          \n");
[52f3507]347  strcat(startupmsg, "                                                                 ^ ^   \n");
[e132a2d]348  strcat(startupmsg, "                                                                 OvO   \n");
[2058d7a]349  strcat(startupmsg, "Please report any bugs to dirty-owl-hackers@mit.edu             (   )  \n");
[52f3507]350  strcat(startupmsg, "-----------------------------------------------------------------m-m---\n");
[252a5c2]351  owl_function_adminmsg("", startupmsg);
352  sepbar(NULL);
353
[687c674]354  /* process the startup file */
355  owl_function_debugmsg("startup: processing startup file");
356  owl_function_source(NULL);
357
[7d4fbcd]358  wrefresh(sepwin);
359
360  /* load zephyr subs */
[bd3f232]361  if (initialsubs) {
[4357be8]362    int ret2;
[a0a5179]363    owl_function_debugmsg("startup: loading initial zephyr subs");
[4357be8]364
365    /* load default subscriptions */
366    ret=owl_zephyr_loaddefaultsubs();
[252a5c2]367   
[4357be8]368    /* load subscriptions from subs file */
[95474d7]369    ret2=owl_zephyr_loadsubs(NULL, 0);
[4357be8]370
371    if (ret || ret2) {
372      owl_function_adminmsg("", "Error loading zephyr subscriptions");
373    } else if (ret2!=-1) {
[bd3f232]374      owl_global_add_userclue(&g, OWL_USERCLUE_CLASSES);
375    }
[7d4fbcd]376
[bd3f232]377    /* load login subscriptions */
378    if (owl_global_is_loginsubs(&g)) {
[a0a5179]379      owl_function_debugmsg("startup: loading login subs");
[bd3f232]380      owl_function_loadloginsubs(NULL);
381    }
[7d4fbcd]382  }
383
[5a95b69]384  /* First buddy check to sync the list without notifications */
385  owl_function_debugmsg("startup: doing initial zephyr buddy check");
[4357be8]386  /* owl_function_zephyr_buddy_check(0); */
[5a95b69]387
[f933403]388  /* set the startup and default style, based on userclue and presence of a
389   * formatting function */
[a0a5179]390  owl_function_debugmsg("startup: setting startup and default style");
[27c3a93]391  if (0 != strcmp(owl_global_get_default_style(&g), "__unspecified__")) {
392    /* the style was set by the user: leave it alone */
393  } else if (owl_global_is_config_format(&g)) {
[f933403]394    owl_global_set_default_style(&g, "perl");
395  } else if (owl_global_is_userclue(&g, OWL_USERCLUE_CLASSES)) {
396    owl_global_set_default_style(&g, "default");
397  } else {
398    owl_global_set_default_style(&g, "basic");
399  }
400
[7d4fbcd]401  /* zlog in if we need to */
402  if (owl_global_is_startuplogin(&g)) {
[a0a5179]403    owl_function_debugmsg("startup: doing zlog in");
[31e48a3]404    owl_zephyr_zlog_in();
[7d4fbcd]405  }
406
[39dc159]407  owl_function_debugmsg("startup: set style for the view: %s", owl_global_get_default_style(&g));
[72c210f]408  s = owl_global_get_style_by_name(&g, owl_global_get_default_style(&g));
409  if(s)
410      owl_view_set_style(owl_global_get_current_view(&g), s);
411  else
412      owl_function_error("No such style: %s", owl_global_get_default_style(&g));
[a0a5179]413
414  owl_function_debugmsg("startup: setting context interactive");
[7d4fbcd]415  owl_context_set_interactive(owl_global_get_context(&g));
416
[a15a84f]417  nexttimediff=10;
[4b464a4]418  nexttime=time(NULL);
419
[a0a5179]420  owl_function_debugmsg("startup: entering main loop");
[7d4fbcd]421  /* main loop */
422  while (1) {
423
424    /* if a resize has been scheduled, deal with it */
425    owl_global_resize(&g, 0, 0);
426
427    /* these are here in case a resize changes the windows */
428    msgwin=owl_global_get_curs_msgwin(&g);
429    recwin=owl_global_get_curs_recwin(&g);
430    sepwin=owl_global_get_curs_sepwin(&g);
431    typwin=owl_global_get_curs_typwin(&g);
432
433    followlast=owl_global_should_followlast(&g);
[5789230]434   
[a352335c]435    /* Do AIM stuff */
436    if (owl_global_is_doaimevents(&g)) {
[5789230]437      owl_aim_process_events();
[de03334]438
[a352335c]439      if (owl_global_is_aimloggedin(&g)) {
440        if (owl_timer_is_expired(owl_global_get_aim_buddyinfo_timer(&g))) {
[f4d0975]441          /* owl_buddylist_request_idletimes(owl_global_get_buddylist(&g)); */
[a352335c]442          owl_timer_reset(owl_global_get_aim_buddyinfo_timer(&g));
443        }
[de03334]444      }
[5789230]445    }
446
[8203afd]447    owl_perlconfig_mainloop();
[bc220b2]448
[4b464a4]449    /* little hack */
[a15a84f]450    now=time(NULL);
451    today=localtime(&now);
452    if (today->tm_mon==9 && today->tm_mday==31 && owl_global_get_runtime(&g)<600) {
[4b464a4]453      if (time(NULL)>nexttime) {
454        if (nexttimediff==1) {
[a15a84f]455          nexttimediff=10;
[4b464a4]456        } else {
457          nexttimediff=1;
458        }
459        nexttime+=nexttimediff;
460        owl_hack_animate();
461      }
462    }
463
[13a3c1db]464    owl_zephyr_process_events();
465   
[aac889a]466    /* Grab incoming messages. */
[d09e5a1]467    newmsgs=0;
[13a3c1db]468    while(owl_global_messagequeue_pending(&g)) {
[5a95b69]469
[13a3c1db]470      m = owl_global_messagequeue_popmsg(&g);
[7d4fbcd]471
[13a3c1db]472      if(owl_process_message(m))
473        newmsgs = 1;
[7d4fbcd]474    }
475
[5a95b69]476    /* is it time to check zbuddies? */
477    if (owl_global_is_pseudologins(&g)) {
478      if (owl_timer_is_expired(owl_global_get_zephyr_buddycheck_timer(&g))) {
479        owl_function_debugmsg("Doing zephyr buddy check");
480        owl_function_zephyr_buddy_check(1);
481        owl_timer_reset(owl_global_get_zephyr_buddycheck_timer(&g));
482      }
483    }
484
[afbf668]485    /* dispatch any muxevents */
486    owl_muxevents_dispatch(owl_global_get_muxevents(&g), 0);
487
[7d4fbcd]488    /* follow the last message if we're supposed to */
[d09e5a1]489    if (newmsgs && followlast) {
[7d4fbcd]490      owl_function_lastmsg_noredisplay();
491    }
[700c712]492
[ced25d1]493    /* do the newmsgproc thing */
[d09e5a1]494    if (newmsgs) {
[8f44c6b]495      owl_function_do_newmsgproc();
[700c712]496    }
[7d4fbcd]497   
498    /* redisplay if necessary */
[d09e5a1]499    /* this should be optimized to not run if the new messages won't be displayed */
500    if (newmsgs) {
[7d4fbcd]501      owl_mainwin_redisplay(owl_global_get_mainwin(&g));
502      sepbar(NULL);
503      if (owl_popwin_is_active(owl_global_get_popwin(&g))) {
504        owl_popwin_refresh(owl_global_get_popwin(&g));
505        /* TODO: this is a broken kludge */
506        if (owl_global_get_viewwin(&g)) {
507          owl_viewwin_redisplay(owl_global_get_viewwin(&g), 0);
508        }
509      }
510      owl_global_set_needrefresh(&g);
511    }
512
513    /* if a popwin just came up, refresh it */
514    pw=owl_global_get_popwin(&g);
515    if (owl_popwin_is_active(pw) && owl_popwin_needs_first_refresh(pw)) {
516      owl_popwin_refresh(pw);
517      owl_popwin_no_needs_first_refresh(pw);
518      owl_global_set_needrefresh(&g);
519      /* TODO: this is a broken kludge */
520      if (owl_global_get_viewwin(&g)) {
521        owl_viewwin_redisplay(owl_global_get_viewwin(&g), 0);
522      }
523    }
524
525    /* update the terminal if we need to */
526    if (owl_global_is_needrefresh(&g)) {
527      /* leave the cursor in the appropriate window */
528      if (owl_global_is_typwin_active(&g)) {
529        owl_function_set_cursor(typwin);
530      } else {
531        owl_function_set_cursor(sepwin);
532      }
533      doupdate();
534      owl_global_set_noneedrefresh(&g);
535    }
536
[bd3f232]537    /* Handle all keypresses.  If no key has been pressed, sleep for a
538     * little bit, but otherwise do not.  This lets input be grabbed
539     * as quickly as possbile */
[428834d]540    j.ch = wgetch(typwin);
541    if (j.ch == ERR) {
[cf39d9f]542      usleep(10000);
[7d4fbcd]543    } else {
[428834d]544      j.uch = '\0';
545      if (j.ch >= KEY_MIN && j.ch <= KEY_MAX) {
546        /* This is a curses control character. */
547      }
548      else if (j.ch > 0x7f && j.ch < 0xfe) {
549        /* Pull in a full utf-8 character. */
[47519e1b]550        int bytes, i;
[cde4a71]551        char utf8buf[7];
[428834d]552        memset(utf8buf, '\0', 7);
553
554        utf8buf[0] = j.ch;
555
556        if ((j.ch & 0xc0) && (~j.ch & 0x20)) bytes = 2;
557        else if ((j.ch & 0xe0) && (~j.ch & 0x10)) bytes = 3;
558        else if ((j.ch & 0xf0) && (~j.ch & 0x08)) bytes = 4;
559        else if ((j.ch & 0xf8) && (~j.ch & 0x04)) bytes = 5;
560        else if ((j.ch & 0xfc) && (~j.ch & 0x02)) bytes = 6;
[52594d1]561        else bytes = 1;
562       
[47519e1b]563        for (i = 1; i < bytes; i++) {
[6fe806a]564          int tmp =  wgetch(typwin);
565          /* If what we got was not a byte, or not a continuation byte */
566          if (tmp > 0xff || !(tmp & 0x80 && ~tmp & 0x40)) {
567            /* ill-formed UTF-8 code unit subsequence, put back the
568               char we just got. */
569            ungetch(tmp);
570            j.ch = ERR;
571            break;
572          }
573          utf8buf[i] = tmp;
574        }
575       
576        if (j.ch != ERR) {
577          if (g_utf8_validate(utf8buf, -1, NULL)) {
578            j.uch = g_utf8_get_char(utf8buf);
579          }
580          else {
581            j.ch = ERR;
582          }
583        }
[47519e1b]584      }
[428834d]585      else if (j.ch <= 0x7f) {
586        j.uch = j.ch;
587      }
588     
[eebef19]589      owl_global_set_lastinputtime(&g, now);
[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
[c9e72d1]619    /* Log any error signals */
620    {
621      siginfo_t si;
622      int signum;
623      if ((signum = owl_global_get_errsignal_and_clear(&g, &si)) > 0) {
[81634b6]624        owl_function_error("Got unexpected signal: %d %s  (code: %d band: %d  errno: %d)", 
[afbf668]625                           signum, signum==SIGPIPE?"SIGPIPE":"SIG????",
[81634b6]626                           si.si_code, si.si_band, si.si_errno);
[c9e72d1]627      }
628    }
629
[7d4fbcd]630  }
631}
632
[13a3c1db]633/*
634 * Process a new message passed to us on the message queue from some
635 * protocol. This includes adding it to the message list, updating the
636 * view and scrolling if appropriate, logging it, and so on.
637 *
638 * Either a pointer is kept to the message internally, or it is freed
639 * if unneeded. The caller no longer ``owns'' the message's memory.
640 *
641 * Returns 1 if the message was added to the message list, and 0 if it
642 * was ignored due to user settings or otherwise.
643 */
644int owl_process_message(owl_message *m) {
645  owl_filter *f;
646  /* if this message it on the puntlist, nuke it and continue */
647  if (owl_global_message_is_puntable(&g, m)) {
648    owl_message_free(m);
649    return 0;
650  }
651
652  /*  login or logout that should be ignored? */
653  if (owl_global_is_ignorelogins(&g)
654      && owl_message_is_loginout(m)) {
655    owl_message_free(m);
656    return 0;
657  }
658
659  if (!owl_global_is_displayoutgoing(&g)
660      && owl_message_is_direction_out(m)) {
661    owl_message_free(m);
662    return 0;
663  }
664
665  /* add it to the global list */
666  owl_messagelist_append_element(owl_global_get_msglist(&g), m);
667  /* add it to any necessary views; right now there's only the current view */
668  owl_view_consider_message(owl_global_get_current_view(&g), m);
669
670  if(owl_message_is_direction_in(m)) {
671    /* let perl know about it*/
672    owl_perlconfig_getmsg(m, 0, NULL);
673
674    /* do we need to autoreply? */
675    if (owl_global_is_zaway(&g) && !owl_message_get_attribute_value(m, "isauto")) {
676      if (owl_message_is_type_zephyr(m)) {
677        owl_zephyr_zaway(m);
678      } else if (owl_message_is_type_aim(m)) {
679        if (owl_message_is_private(m)) {
680          owl_function_send_aimawymsg(owl_message_get_sender(m), owl_global_get_zaway_msg(&g));
681        }
682      }
683    }
684
685    /* ring the bell if it's a personal */
686    if (!strcmp(owl_global_get_personalbell(&g), "on")) {
687      if (!owl_message_is_loginout(m) &&
688          !owl_message_is_mail(m) &&
689          owl_message_is_personal(m)) {
690        owl_function_beep();
691      }
692    } else if (!strcmp(owl_global_get_personalbell(&g), "off")) {
693      /* do nothing */
694    } else {
695      f=owl_global_get_filter(&g, owl_global_get_personalbell(&g));
696      if (f && owl_filter_message_match(f, m)) {
697        owl_function_beep();
698      }
699    }
700
701    /* if it matches the alert filter, do the alert action */
702    f=owl_global_get_filter(&g, owl_global_get_alert_filter(&g));
703    if (f && owl_filter_message_match(f, m)) {
704      owl_function_command(owl_global_get_alert_action(&g));
705    }
706
707    /* if it's a zephyr login or logout, update the zbuddylist */
708    if (owl_message_is_type_zephyr(m) && owl_message_is_loginout(m)) {
709      if (owl_message_is_login(m)) {
710        owl_zbuddylist_adduser(owl_global_get_zephyr_buddylist(&g), owl_message_get_sender(m));
711      } else if (owl_message_is_logout(m)) {
712        owl_zbuddylist_deluser(owl_global_get_zephyr_buddylist(&g), owl_message_get_sender(m));
713      } else {
714        owl_function_error("Internal error: received login notice that is neither login nor logout");
715      }
716    }
717
718    /* check for burning ears message */
719    /* this is an unsupported feature */
720    if (owl_global_is_burningears(&g) && owl_message_is_burningears(m)) {
721      char *buff;
722      buff = owl_sprintf("@i(Burning ears message on class %s)", owl_message_get_class(m));
723      owl_function_adminmsg(buff, "");
724      owl_free(buff);
725      owl_function_beep();
726    }
727  }
728
729  /* log the message if we need to */
730  owl_log_message(m);
731
732  return 1;
733}
734
[de22c3d]735void sig_handler(int sig, siginfo_t *si, void *data)
736{
[7d4fbcd]737  if (sig==SIGWINCH) {
[bd3f232]738    /* we can't inturrupt a malloc here, so it just sets a flag
739     * schedulding a resize for later
740     */
[7d4fbcd]741    owl_function_resize();
[afbf668]742  } else if (sig==SIGPIPE || sig==SIGCHLD) {
[c9e72d1]743    /* Set a flag and some info that we got the sigpipe
744     * so we can record that we got it and why... */
745    owl_global_set_errsignal(&g, sig, si);
[fe1f605]746  } else if (sig==SIGTERM || sig==SIGHUP) {
747    owl_function_quit();
[7d4fbcd]748  }
[c9e72d1]749
[7d4fbcd]750}
751
[de22c3d]752void usage()
753{
[78667f3]754  fprintf(stderr, "Barnowl version %s\n", OWL_VERSION_STRING);
755  fprintf(stderr, "Usage: barnowl [-n] [-d] [-D] [-v] [-h] [-c <configfile>] [-s <confdir>] [-t <ttyname>]\n");
[e7cc1c3]756  fprintf(stderr, "  -n      don't load zephyr subscriptions\n");
757  fprintf(stderr, "  -d      enable debugging\n");
[a68f05d]758  fprintf(stderr, "  -D      enable debugging and delete previous debug file\n");
[78667f3]759  fprintf(stderr, "  -v      print the Barnowl version number and exit\n");
[e7cc1c3]760  fprintf(stderr, "  -h      print this help message\n");
761  fprintf(stderr, "  -c      specify an alternate config file\n");
[b363d83]762  fprintf(stderr, "  -s      specify an alternate config dir (default ~/.owl)\n");
[e7cc1c3]763  fprintf(stderr, "  -t      set the tty name\n");
[7d4fbcd]764}
[2a2bb60]765
766#if OWL_STDERR_REDIR
767
768/* Replaces stderr with a pipe so that we can read from it.
769 * Returns the fd of the pipe from which stderr can be read. */
[de22c3d]770int stderr_replace(void)
771{
[2a2bb60]772  int pipefds[2];
773  if (0 != pipe(pipefds)) {
774    perror("pipe");
775    owl_function_debugmsg("stderr_replace: pipe FAILED\n");
776    return -1;
777  }
778    owl_function_debugmsg("stderr_replace: pipe: %d,%d\n", pipefds[0], pipefds[1]);
779  if (-1 == dup2(pipefds[1], 2 /*stderr*/)) {
780    owl_function_debugmsg("stderr_replace: dup2 FAILED (%s)\n", strerror(errno));
781    perror("dup2");
782    return -1;
783  }
784  return pipefds[0];
785}
786
[afbf668]787/* Sends stderr (read from rfd) messages to the error console */
788void stderr_redirect_handler(int handle, int rfd, int eventmask, void *data) 
[de22c3d]789{
[2a2bb60]790  int navail, bread;
791  char *buf;
792  /*owl_function_debugmsg("stderr_redirect: called with rfd=%d\n", rfd);*/
793  if (rfd<0) return;
794  if (-1 == ioctl(rfd, FIONREAD, (void*)&navail)) {
795    return;
796  }
797  /*owl_function_debugmsg("stderr_redirect: navail = %d\n", navail);*/
798  if (navail<=0) return;
799  if (navail>256) { navail = 256; }
800  buf = owl_malloc(navail+1);
801  bread = read(rfd, buf, navail);
802  if (buf[navail-1] != '\0') {
803    buf[navail] = '\0';
804  }
805  owl_function_error("Err: %s", buf);
806  owl_free(buf);
807}
808
809#endif /* OWL_STDERR_REDIR */
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