int main ( int argc, char *argv[] ) { // behaviour unsigned char scanonlaunch = 1; unsigned int interval_secs = 5; int logall = -1; // -1 means normal logging rules; >=0 means log all! // misc int i; /* iterate across args */ for ( i = 1; i < argc; i++ ) { if ( argv [ i ][ 0 ] == '-' && argv [ i ][ 1 ] == 'd' ) { //printf ( "Going daemon mode. Silent running.\n" ); g_daemon_mode = 1; } else if ( isdigit ( argv [ i ][ 0 ] ) ) { interval_secs = atoi ( argv [ i ] ); } else if ( argv [ i ][ 0 ] == '-' && argv [ i ][ 1 ] == 'n' ) { scanonlaunch = 0; } else if ( argv [ i ][ 0 ] == '-' && argv [ i ][ 1 ] == 'l' ) { if ( isdigit ( argv [ i ][ 2 ] ) ) { unsigned char x = atoi ( argv [ i ] + 2 ); if ( x >= 0 && x < pndn_none ) { logall = x; } } else { logall = 0; } } else { printf ( "%s [-d] [-l] [##]\n", argv [ 0 ] ); printf ( "-d\tDaemon mode; detach from terminal, chdir to /tmp, suppress output. Optional.\n" ); printf ( "-n\tDo not scan on launch; default is to run a scan for apps when %s is invoked.\n", argv [ 0 ] ); printf ( "-l#\tLog-it; -l is 0-and-up (or all), and -l2 means 2-and-up (not all); l[0-3] for now. Log goes to /tmp/pndnotifyd.log\n" ); printf ( "##\tA numeric value is interpreted as number of seconds between checking for filesystem changes. Default %u.\n", interval_secs ); printf ( "Signal: HUP the process to force reload of configuration and reset the notifier watch paths\n" ); exit ( 0 ); } } // for /* enable logging? */ pnd_log_set_pretext ( "pndnotifyd" ); pnd_log_set_flush ( 1 ); if ( logall == -1 ) { // standard logging; non-daemon versus daemon if ( g_daemon_mode ) { // nada } else { pnd_log_set_filter ( pndn_rem ); pnd_log_to_stdout(); } } else { FILE *f; f = fopen ( "/tmp/pndnotifyd.log", "w" ); if ( f ) { pnd_log_set_filter ( logall ); pnd_log_to_stream ( f ); pnd_log ( pndn_rem, "logall mode - logging to /tmp/pndnotifyd.log\n" ); } if ( logall == pndn_debug ) { pnd_log_set_buried_logging ( 1 ); // log the shit out of it pnd_log ( pndn_rem, "logall mode 0 - turned on buried logging\n" ); } } // logall pnd_log ( pndn_rem, "%s built %s %s", argv [ 0 ], __DATE__, __TIME__ ); pnd_log ( pndn_rem, "log level starting as %u", pnd_log_get_filter() ); pnd_log ( pndn_rem, "Interval between checks is %u seconds\n", interval_secs ); // check if inotify is awake yet; if not, try waiting for awhile to see if it does pnd_log ( pndn_rem, "Starting INOTIFY test; should be instant, but may take awhile...\n" ); if ( ! pnd_notify_wait_until_ready ( 120 /* seconds */ ) ) { pnd_log ( pndn_error, "ERROR: INOTIFY refuses to be useful and quite awhile has passed. Bailing out.\n" ); return ( -1 ); } pnd_log ( pndn_rem, "INOTIFY seems to be useful, whew.\n" ); // basic daemon set up if ( g_daemon_mode ) { // set a CWD somewhere else #if 0 chdir ( "/tmp" ); #endif // detach from terminal if ( ( i = fork() ) < 0 ) { pnd_log ( pndn_error, "ERROR: Couldn't fork()\n" ); exit ( i ); } if ( i ) { exit ( 0 ); // exit parent } setsid(); // umask umask ( 022 ); // emitted files can be rwxr-xr-x } // set up daemon // wait for a user to be logged in - we should probably get hupped when a user logs in, so we can handle // log-out and back in again, with SDs popping in and out between.. pnd_log ( pndn_rem, "Checking to see if a user is logged in\n" ); while ( 1 ) { if ( pnd_check_login ( g_username, 127 ) ) { break; } pnd_log ( pndn_debug, " No one logged in yet .. spinning.\n" ); sleep ( 2 ); } // spin pnd_log ( pndn_rem, "Looks like user '%s' is in, continue.\n", g_username ); /* parse configs */ consume_configuration(); /* startup */ pnd_log ( pndn_rem, "PXML overrides searchpath is '%s'\n", overridespath ); pnd_log ( pndn_rem, "Notify searchpath is '%s'\n", notifypath ); pnd_log ( pndn_rem, "Desktop apps ---------------------------------\n" ); pnd_log ( pndn_rem, "Apps searchpath is '%s'\n", desktop_appspath ); pnd_log ( pndn_rem, ".desktop files emit to '%s'\n", desktop_dotdesktoppath ); pnd_log ( pndn_rem, ".desktop icon files emit to '%s'\n", desktop_iconpath ); pnd_log ( pndn_rem, "Menu apps ---------------------------------\n" ); pnd_log ( pndn_rem, "Apps searchpath is '%s'\n", menu_appspath ); pnd_log ( pndn_rem, ".desktop files emit to '%s'\n", menu_dotdesktoppath ); pnd_log ( pndn_rem, ".desktop icon files emit to '%s'\n", menu_iconpath ); pnd_log ( pndn_rem, ".desktop info files emit to '%s'\n", info_dotdesktoppath ? info_dotdesktoppath : "n/a" ); /* set up signal handler */ sigset_t ss; sigemptyset ( &ss ); struct sigaction siggy; siggy.sa_handler = sighup_handler; siggy.sa_mask = ss; /* implicitly blocks the origin signal */ siggy.sa_flags = 0; /* don't need anything */ sigaction ( SIGHUP, &siggy, NULL ); siggy.sa_handler = sigint_handler; sigaction ( SIGINT, &siggy, NULL ); /* set up notifies */ // if we're gong to scan on launch, it'll set things right up and then set up notifications. // if no scan on launch, we need to set the notif's up now. //if ( ! scanonlaunch ) { setup_notifications(); //} dbh = pnd_dbusnotify_init(); /* daemon main loop */ unsigned char watch_inotify, watch_dbus; while ( 1 ) { watch_dbus = 0; watch_inotify = 0; if ( dbh ) { watch_dbus = pnd_dbusnotify_rediscover_p ( dbh ); } if ( ! watch_dbus && nh ) { watch_inotify = pnd_notify_rediscover_p ( nh ); } // need to rediscover? if ( scanonlaunch || watch_inotify || watch_dbus ) { // by this point, the watched directories have notified us that something of relevent // has occurred; we should be clever, but we're not, so just re-brute force the // discovery and spit out .desktop files.. pnd_log ( pndn_rem, "------------------------------------------------------\n" ); pnd_log ( pndn_rem, "System changes detected in dbus or watched paths .. performing re-discover!\n" ); // if this was a forced scan, lets not do that next iteration if ( scanonlaunch ) { pnd_log ( pndn_rem, "scan-on-first-launch detected an event\n" ); scanonlaunch = 0; } if ( watch_inotify ) { pnd_log ( pndn_rem, "inotify detected an event\n" ); } if ( watch_dbus ) { pnd_log ( pndn_rem, "dbusnotify detected an event\n" ); pnd_notify_shutdown ( nh ); nh = 0; } if ( time ( NULL ) - createtime <= 2 ) { pnd_log ( pndn_rem, "Rediscovery request comes to soon after previous discovery; skipping.\n" ); sleep ( interval_secs ); continue; } pnd_log ( pndn_rem, "------------------------------------------------------\n" ); createtime = time ( NULL ); // all 'new' .destops are created at or after this time; prev are old. /* run the discovery */ // do some 'locking' pnd_log ( pndn_rem, "creating lockfile %s", PNDLOCKNAME ); if ( ! pnd_lock ( PNDLOCKNAME ) ) { // problem .. well, too bad, we need to do this .. proceed! } // scan.. pnd_log ( pndn_rem, " Scanning desktop paths----------------------------\n" ); if ( ! perform_discoveries ( desktop_appspath, overridespath, desktop_dotdesktoppath, desktop_iconpath ) ) { pnd_log ( pndn_rem, " No applications found in desktop search path\n" ); } if ( menu_appspath && menu_dotdesktoppath && menu_iconpath ) { pnd_log ( pndn_rem, " Scanning menu paths----------------------------\n" ); if ( ! perform_discoveries ( menu_appspath, overridespath, menu_dotdesktoppath, menu_iconpath ) ) { pnd_log ( pndn_rem, " No applications found in menu search path\n" ); } } // unlock pnd_log ( pndn_rem, "clearing lockfile %s", PNDLOCKNAME ); pnd_unlock ( PNDLOCKNAME ); // if we've got a hup script located, lets invoke it if ( pndhup ) { pnd_log ( pndn_rem, "Invoking hup script '%s'.\n", pndhup ); pnd_exec_no_wait_1 ( pndhup, NULL ); } // since its entirely likely new directories have been found (ie: SD with a directory structure was inserted) // we should re-apply watches to catch all these new directories; ie: user might use on-device browser to // drop in new applications, or use the shell to juggle them around, or any number of activities. if ( watch_dbus ) { setup_notifications(); } } // need to rediscover? // lets not eat up all the CPU // should use an alarm or select() or something -- I mean really, why aren't I putting interval_secs into // the select() call above in pnd_notify_whatsitcalled()? -- but lets not break this right before release shall we // NOTE: Oh right, I remember now -- inotify will spam when a card is inserted, and it will not be instantaneoous.. // the events will dribble in over a second. So this sleep is a lame trick that generally works. I really should // do select(), and then when it returns just spin for a couple seconds slurping up events until no more and a thresh-hold // time is hit, but this will do for now. I suck. sleep ( interval_secs ); } // while /* shutdown */ pnd_notify_shutdown ( nh ); pnd_dbusnotify_shutdown ( dbh ); return ( 0 ); }
int main ( int argc, char *argv[] ) { int i; int logall = -1; // -1 means normal logging rules; >=0 means log all! for ( i = 1; i < argc; i++ ) { if ( argv [ i ][ 0 ] == '-' && argv [ i ][ 1 ] == 'd' ) { //printf ( "Going daemon mode. Silent running.\n" ); g_daemon_mode = 1; } else if ( argv [ i ][ 0 ] == '-' && argv [ i ][ 1 ] == 'l' ) { if ( isdigit ( argv [ i ][ 2 ] ) ) { unsigned char x = atoi ( argv [ i ] + 2 ); if ( x >= 0 && x < pndn_none ) { logall = x; } } else { logall = 0; } } else { usage ( argv ); exit ( 0 ); } } // for /* enable logging? */ pnd_log_set_pretext ( "pndevmapperd" ); pnd_log_set_flush ( 1 ); if ( logall == -1 ) { // standard logging; non-daemon versus daemon if ( g_daemon_mode ) { // nada } else { pnd_log_set_filter ( pndn_rem ); pnd_log_to_stdout(); } } else { FILE *f; f = fopen ( "/tmp/pndevmapperd.log", "w" ); if ( f ) { pnd_log_set_filter ( logall ); pnd_log_to_stream ( f ); pnd_log ( pndn_rem, "logall mode - logging to /tmp/pndevmapperd.log\n" ); } if ( logall == pndn_debug ) { pnd_log_set_buried_logging ( 1 ); // log the shit out of it pnd_log ( pndn_rem, "logall mode 0 - turned on buried logging\n" ); } } // logall pnd_log ( pndn_rem, "%s built %s %s", argv [ 0 ], __DATE__, __TIME__ ); pnd_log ( pndn_rem, "log level starting as %u", pnd_log_get_filter() ); // basic daemon set up if ( g_daemon_mode ) { // set a CWD somewhere else chdir ( "/tmp" ); // detach from terminal if ( ( i = fork() ) < 0 ) { pnd_log ( pndn_error, "ERROR: Couldn't fork()\n" ); exit ( i ); } if ( i ) { exit ( 0 ); // exit parent } setsid(); // umask umask ( 022 ); // emitted files can be rwxr-xr-x } // set up daemon /* hmm, seems to not like working right after boot.. do we depend on another daemon or * on giving kernel time to init something, or ... wtf? * -- lets give the system some time to wake up */ { // delay // this one works for pndnotifyd, which actually needs INOTIFYH.. // // check if inotify is awake yet; if not, try waiting for awhile to see if it does pnd_log ( pndn_rem, "Starting INOTIFY test; should be instant, but may take awhile...\n" ); if ( ! pnd_notify_wait_until_ready ( 120 /* seconds */ ) ) { pnd_log ( pndn_error, "ERROR: INOTIFY refuses to be useful and quite awhile has passed. Bailing out.\n" ); return ( -1 ); } pnd_log ( pndn_rem, "INOTIFY seems to be useful, whew.\n" ); // pndnotifyd also waits for user to log in .. pretty excessive, especially since // what if user wants to close the lid while at the log in screen? for now play the // odds as thats pretty unliekly usage scenariom but is clearly not acceptible :/ // // wait for a user to be logged in - we should probably get hupped when a user logs in, so we can handle // log-out and back in again, with SDs popping in and out between.. pnd_log ( pndn_rem, "Checking to see if a user is logged in\n" ); char tmp_username [ 128 ]; while ( 1 ) { if ( pnd_check_login ( tmp_username, 127 ) ) { break; } pnd_log ( pndn_debug, " No one logged in yet .. spinning.\n" ); sleep ( 2 ); } // spin pnd_log ( pndn_rem, "Looks like user '%s' is in, continue.\n", tmp_username ); } // delay /* inhale config or die trying */ char *configpath; // attempt to fetch a sensible default searchpath for configs configpath = pnd_conf_query_searchpath(); // attempt to fetch the apps config. since it finds us the runscript pnd_conf_handle evmaph; evmaph = pnd_conf_fetch_by_id ( pnd_conf_evmap, configpath ); if ( ! evmaph ) { // couldn't locate conf, just bail pnd_log ( pndn_error, "ERROR: Couldn't locate conf file\n" ); exit ( -1 ); } /* iterate across conf, stocking the event map */ void *n = pnd_box_get_head ( evmaph ); while ( n ) { char *k = pnd_box_get_key ( n ); //printf ( "key %s\n", k ); if ( strncmp ( k, "keys.", 5 ) == 0 ) { k += 5; // keys should really push push generic-events onto the table, since they;'re just a special case of them // to make things easier to read // figure out which keycode we're talking about keycode_t *p = keycodes; while ( p -> keycode != -1 ) { if ( strcasecmp ( p -> keyname, k ) == 0 ) { break; } p++; } if ( p -> keycode != -1 ) { g_evmap [ g_evmap_max ].key_p = 1; // its a key, not an event g_evmap [ g_evmap_max ].reqs = p; // note the keycode // note the script to activate in response if ( strchr ( n, ' ' ) ) { char *foo = strdup ( n ); char *t = strchr ( foo, ' ' ); *t = '\0'; g_evmap [ g_evmap_max ].script = foo; g_evmap [ g_evmap_max ].maxhold = atoi ( t + 1 ); } else { g_evmap [ g_evmap_max ].script = n; g_evmap [ g_evmap_max ].maxhold = 0; } pnd_log ( pndn_rem, "Registered key %s [%d] to script %s with maxhold %d\n", p -> keyname, p -> keycode, (char*) n, g_evmap [ g_evmap_max ].maxhold ); g_evmap_max++; } else { pnd_log ( pndn_warning, "WARNING! Key '%s' is not handled by pndevmapperd yet! Skipping.", k ); } } else if ( strncmp ( k, "events.", 7 ) == 0 ) { k += 7; // yes, key events could really be defined in this generic sense, and really we could just let people // put the code and so on right in the conf, but trying to keep it easy on people; maybe should // add a 'generic' section to conf file and just let folks redefine random events that way // Really, it'd be nice if the /dev/input/events could spit out useful text, and just use scripts // to respond without a daemon per se; for that matter, pnd-ls and pnd-map pnd-dotdesktopemitter // should just exist as scripts rather than daemons, but whose counting? // figure out which keycode we're talking about generic_event_t *p = generics; while ( p -> code != -1 ) { if ( strcasecmp ( p -> name, k ) == 0 ) { break; } p++; } if ( p -> code != -1 ) { g_evmap [ g_evmap_max ].key_p = 0; // its an event, not a key g_evmap [ g_evmap_max ].reqs = p; // note the keycode g_evmap [ g_evmap_max ].script = n; // note the script to activate in response pnd_log ( pndn_rem, "Registered generic event %s [%d] to script %s\n", p -> name, p -> code, (char*) n ); g_evmap_max++; } else { pnd_log ( pndn_warning, "WARNING! Generic event '%s' is not handled by pndevmapperd yet! Skipping.", k ); } } else if ( strncmp ( k, "pndevmapperd.", 7 ) == 0 ) { // not consumed here, skip silently } else if ( strncmp ( k, "battery.", 8 ) == 0 ) { // not consumed here, skip silently } else if ( strncmp ( k, "battery_charge.", 15 ) == 0 ) { // not consumed here, skip silently } else { // uhhh pnd_log ( pndn_warning, "Unknown config key '%s'; skipping.\n", k ); } n = pnd_box_get_next ( n ); } // while if ( pnd_conf_get_as_int ( evmaph, "pndevmapperd.loglevel" ) != PND_CONF_BADNUM ) { pnd_log_set_filter ( pnd_conf_get_as_int ( evmaph, "pndevmapperd.loglevel" ) ); pnd_log ( pndn_rem, "config file causes loglevel to change to %u", pnd_log_get_filter() ); } if ( pnd_conf_get_as_int ( evmaph, "pndevmapperd.minimum_separation" ) != PND_CONF_BADNUM ) { g_minimum_separation = pnd_conf_get_as_int ( evmaph, "pndevmapperd.minimum_separation" ); pnd_log ( pndn_rem, "config file causes minimum_separation to change to %u", g_minimum_separation ); } // battery conf if ( pnd_conf_get_as_int ( evmaph, "battery.threshold" ) != PND_CONF_BADNUM ) { b_threshold = pnd_conf_get_as_int ( evmaph, "battery.threshold" ); pnd_log ( pndn_rem, "Battery threshold set to %u", b_threshold ); } if ( pnd_conf_get_as_int ( evmaph, "battery.check_interval" ) != PND_CONF_BADNUM ) { b_frequency = pnd_conf_get_as_int ( evmaph, "battery.check_interval" ); pnd_log ( pndn_rem, "Battery check interval set to %u", b_frequency ); } if ( pnd_conf_get_as_int ( evmaph, "battery.blink_interval" ) != PND_CONF_BADNUM ) { b_blinkfreq = pnd_conf_get_as_int ( evmaph, "battery.blink_interval" ); pnd_log ( pndn_rem, "Battery blink interval set to %u", b_blinkfreq ); } if ( pnd_conf_get_as_int ( evmaph, "battery.blink_duration" ) != PND_CONF_BADNUM ) { b_blinkdur = pnd_conf_get_as_int ( evmaph, "battery.blink_duration" ); pnd_log ( pndn_rem, "Battery blink duration set to %u", b_blinkdur ); } b_active = 0; if ( pnd_conf_get_as_int ( evmaph, "battery.shutdown_threshold" ) != PND_CONF_BADNUM ) { b_shutdown = pnd_conf_get_as_int ( evmaph, "battery.shutdown_threshold" ); pnd_log ( pndn_rem, "Battery shutdown threshold set to %u", b_shutdown ); } if ( pnd_conf_get_as_int ( evmaph, "battery.shutdown_delay" ) != PND_CONF_BADNUM ) { b_shutdelay = pnd_conf_get_as_int ( evmaph, "battery.shutdown_delay" ); pnd_log ( pndn_rem, "Battery shutdown delay set to %u", b_shutdelay ); } if ( pnd_conf_get_as_char ( evmaph, "battery.shutdown_script" ) != NULL ) { b_shutdown_script = strdup ( pnd_conf_get_as_char ( evmaph, "battery.shutdown_script" ) ); pnd_log ( pndn_rem, "Battery shutdown script set to %s", b_shutdown_script ); } if ( pnd_conf_get_as_int ( evmaph, "battery_charge.enable" ) != PND_CONF_BADNUM ) { bc_enable = pnd_conf_get_as_int ( evmaph, "battery_charge.enable" ); pnd_log ( pndn_rem, "Battery charge enable set to %u", bc_enable ); } if ( pnd_conf_get_as_int ( evmaph, "battery_charge.stop_capacity" ) != PND_CONF_BADNUM ) { bc_stopcap = pnd_conf_get_as_int ( evmaph, "battery_charge.stop_capacity" ); pnd_log ( pndn_rem, "Battery charge stop capacity set to %u", bc_stopcap ); } if ( pnd_conf_get_as_int ( evmaph, "battery_charge.stop_current" ) != PND_CONF_BADNUM ) { bc_stopcur = pnd_conf_get_as_int ( evmaph, "battery_charge.stop_current" ); pnd_log ( pndn_rem, "Battery charge stop current set to %u", bc_stopcur ); } if ( pnd_conf_get_as_int ( evmaph, "battery_charge.start_capacity" ) != PND_CONF_BADNUM ) { bc_startcap = pnd_conf_get_as_int ( evmaph, "battery_charge.start_capacity" ); pnd_log ( pndn_rem, "Battery charge start capacity set to %u", bc_startcap ); } if ( pnd_conf_get_as_char ( evmaph, "battery_charge.device" ) != NULL ) { bc_charge_device = strdup ( pnd_conf_get_as_char ( evmaph, "battery_charge.device" ) ); pnd_log ( pndn_rem, "Battery charge device set to %s", bc_charge_device ); } /* do we have anything to do? */ if ( ! g_evmap_max ) { // uuuh, nothing to do? pnd_log ( pndn_warning, "WARNING! No events configured to watch, so just spinning wheels...\n" ); exit ( -1 ); } // spin /* set up sigchld -- don't want zombies all over; well, we do, but not process zombies */ sigset_t ss; sigemptyset ( &ss ); struct sigaction siggy; siggy.sa_handler = sigchld_handler; siggy.sa_mask = ss; /* implicitly blocks the origin signal */ siggy.sa_flags = SA_RESTART; /* don't need anything */ sigaction ( SIGCHLD, &siggy, NULL ); /* set up the battery level warning timers */ siggy.sa_handler = sigalrm_handler; siggy.sa_mask = ss; /* implicitly blocks the origin signal */ siggy.sa_flags = SA_RESTART; /* don't need anything */ sigaction ( SIGALRM, &siggy, NULL ); if ( set_next_alarm ( b_frequency, 0 ) ) { // check every 'frequency' seconds pnd_log ( pndn_rem, "Checking for low battery every %u seconds\n", b_frequency ); } else { pnd_log ( pndn_error, "ERROR: Couldn't set up timer for every %u seconds\n", b_frequency ); } /* actually try to do something useful */ // stolen in part from notaz :) // try to locate the appropriate devices int id; int fds [ 8 ] = { -1, -1, -1, -1, -1, -1, -1, -1 }; // 0 = keypad, 1 = gpio keys int imaxfd = 0; for ( id = 0; ; id++ ) { char fname[64]; char name[256] = { 0, }; int fd; snprintf ( fname, sizeof ( fname ), "/dev/input/event%i", id ); fd = open ( fname, O_RDONLY ); if ( fd == -1 ) { break; } if ( ioctl (fd, EVIOCGNAME(sizeof(name)), name ) < 0 ) { name [ 0 ] = '\0'; } pnd_log ( pndn_rem, "%s maps to %s\n", fname, name ); if ( strcmp ( name, PND_EVDEV_KEYPAD/*"omap_twl4030keypad"*/ ) == 0 ) { fds [ 0 ] = fd; } else if ( strcmp ( name, "gpio-keys" ) == 0) { fds [ 1 ] = fd; } else if ( strcmp ( name, "AT Translated Set 2 keyboard" ) == 0) { // for vmware, my dev environment fds [ 0 ] = fd; } else if ( strcmp ( name, PND_EVDEV_POWER/*"triton2-pwrbutton"*/ ) == 0) { fds [ 2 ] = fd; } else if ( strcmp ( name, PND_EVDEV_TS/*"ADS784x Touchscreen"*/ ) == 0) { fds [ 3 ] = fd; } else if ( strcmp ( name, PND_EVDEV_NUB1/*"vsense66"*/ ) == 0) { fds [ 4 ] = fd; } else if ( strcmp ( name, PND_EVDEV_NUB1/*"vsense67"*/ ) == 0) { fds [ 5 ] = fd; } else { pnd_log ( pndn_rem, "Ignoring unknown device '%s'\n", name ); //fds [ 6 ] = fd; close ( fd ); fd = -1; continue; } if (imaxfd < fd) imaxfd = fd; } // for if ( fds [ 0 ] == -1 ) { pnd_log ( pndn_warning, "WARNING! Couldn't find keypad device\n" ); } if ( fds [ 1 ] == -1 ) { pnd_log ( pndn_warning, "WARNING! couldn't find button device\n" ); } if ( fds [ 0 ] == -1 && fds [ 1 ] == -1 ) { pnd_log ( pndn_error, "ERROR! Couldn't find either device!\n" ); //exit ( -2 ); } /* loop forever, watching for events */ while ( 1 ) { struct input_event ev[64]; unsigned int max_fd = 3; /* imaxfd */ int fd = -1, rd, ret; fd_set fdset; // set up fd list FD_ZERO ( &fdset ); imaxfd = 0; for (i = 0; i < max_fd /*imaxfd*/; i++) { if ( fds [ i ] != -1 ) { FD_SET( fds [ i ], &fdset ); if ( fds [ i ] > imaxfd ) { imaxfd = fds [ i ]; } } } // figure out if we can block forever, or not unsigned char do_block = 1; struct timeval tv; tv.tv_usec = 0; tv.tv_sec = 1; for ( i = i; i < g_evmap_max; i++ ) { if ( g_evmap [ i ].keydown_time && g_evmap [ i ].maxhold ) { do_block = 0; break; } } // wait for fd's or timeout ret = select ( imaxfd + 1, &fdset, NULL, NULL, do_block ? NULL /* no timeout */ : &tv ); if ( ret == -1 ) { pnd_log ( pndn_error, "ERROR! select(2) failed with: %s\n", strerror ( errno ) ); continue; // retry! } else if ( ret == 0 ) { // select returned with timeout (no fd) // timeout occurred; should only happen when 1 or more keys are being held down and // they're "maxhold" keys, so we have to see if their timer has passed unsigned int now = time ( NULL ); for ( i = i; i < g_evmap_max; i++ ) { if ( g_evmap [ i ].keydown_time && g_evmap [ i ].maxhold && now - g_evmap [ i ].keydown_time >= g_evmap [ i ].maxhold ) { keycode_t *k = (keycode_t*) g_evmap [ i ].reqs; dispatch_key ( k -> keycode, 0 /* key up */ ); } } // for } else { // an fd was fiddled with for ( i = 0; i < max_fd; i++ ) { if ( fds [ i ] != -1 && FD_ISSET ( fds [ i ], &fdset ) ) { fd = fds [ i ]; } // fd is set? } // for /* buttons or keypad */ rd = read ( fd, ev, sizeof(struct input_event) * 64 ); if ( rd < (int) sizeof(struct input_event) ) { pnd_log ( pndn_error, "ERROR! read(2) input_event failed with: %s\n", strerror ( errno ) ); break; } for (i = 0; i < rd / sizeof(struct input_event); i++ ) { if ( ev[i].type == EV_SYN ) { continue; } else if ( ev[i].type == EV_KEY ) { // do we even know about this key at all? keycode_t *p = keycodes; while ( p -> keycode != -1 ) { if ( p -> keycode == ev [ i ].code ) { break; } p++; } // if we do, hand it off to dispatcher to look up if we actually do something with it if ( p -> keycode != -1 ) { if ( logall >= 0 ) { pnd_log ( pndn_debug, "Key Event: key %s [%d] value %d\n", p -> keyname, p -> keycode, ev [ i ].value ); } dispatch_key ( p -> keycode, ev [ i ].value ); } else { if ( logall >= 0 ) { pnd_log ( pndn_warning, "Unknown Key Event: keycode %d value %d\n", ev [ i ].code, ev [ i ].value ); } } } else if ( ev[i].type == EV_SW ) { // do we even know about this event at all? generic_event_t *p = generics; while ( p -> code != -1 ) { if ( p -> code == ev [ i ].code ) { break; } p++; } // if we do, hand it off to dispatcher to look up if we actually do something with it if ( p -> code != -1 ) { if ( logall >= 0 ) { pnd_log ( pndn_debug, "Generic Event: event %s [%d] value %d\n", p -> name, p -> code, ev [ i ].value ); } dispatch_event ( p -> code, ev [ i ].value ); } else { if ( logall >= 0 ) { pnd_log ( pndn_warning, "Unknown Generic Event: code %d value %d\n", ev [ i ].code, ev [ i ].value ); } } } else { pnd_log ( pndn_debug, "DEBUG: Unexpected event type %i received\n", ev[i].type ); continue; } // type? } // for } // an fd was touched } // while for (i = 0; i < 2; i++) { if ( i != 2 && fds [ i ] != -1 ) { close (fds [ i ] ); } } return ( 0 ); } // main