X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?p=pandora-libraries.git;a=blobdiff_plain;f=apps%2Fpndnotifyd.c;h=218608cda85833bda8959a6cecfaa03b3822a60a;hp=66bd43db8478f71c76d5013d52e7a173d33768e2;hb=e0f2719a878776d63fb5a0993bb74e8c9b815bea;hpb=be702b1f9e9ee66517144d40141cca3b1139a7bd diff --git a/apps/pndnotifyd.c b/apps/pndnotifyd.c index 66bd43d..218608c 100644 --- a/apps/pndnotifyd.c +++ b/apps/pndnotifyd.c @@ -27,6 +27,8 @@ #include "pnd_utility.h" #include "pnd_desktop.h" #include "pnd_logger.h" +#include "pnd_dbusnotify.h" +#include "pnd_pndfiles.h" // this piece of code was simpler once; but need to grow it a bit and in a rush // moving all these to globals rather than refactor the code a bit; tsk tsk.. @@ -56,20 +58,27 @@ char *desktop_appspath = NULL; char *menu_dotdesktoppath = NULL; char *menu_iconpath = NULL; char *menu_appspath = NULL; +char *info_dotdesktoppath = NULL; // pnd runscript char *run_searchpath; // searchpath to find pnd_run.sh char *run_script; // name of pnd_run.sh script from config char *pndrun; // full path to located pnd_run.sh char *pndhup = NULL; // full path to located pnd_hup.sh +// default username +char g_username [ 128 ]; // since we have to wait for login (!!), store username here // notifier handle pnd_notify_handle nh = 0; +pnd_dbusnotify_handle dbh = 0; +unsigned char g_info_p = 0; // spit out info .desktops // constants #define PNDNOTIFYD_LOGLEVEL "pndnotifyd.loglevel" +#define PNDLOCKNAME "pndnotifyd-disco.lock" // decl's void consume_configuration ( void ); void setup_notifications ( void ); +void sigint_handler ( int n ); void sighup_handler ( int n ); void process_discoveries ( pnd_box_handle applist, char *emitdesktoppath, char *emiticonpath ); unsigned char perform_discoveries ( char *appspath, char *overridespath, @@ -79,6 +88,7 @@ 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; @@ -93,10 +103,24 @@ int main ( int argc, char *argv[] ) { 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] [##]\n", argv [ 0 ] ); + 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" ); @@ -107,14 +131,40 @@ int main ( int argc, char *argv[] ) { /* enable logging? */ - if ( g_daemon_mode ) { - // nada + 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 { - pnd_log_set_filter ( pndn_rem ); - pnd_log_set_pretext ( "pndnotifyd" ); - pnd_log_to_stdout(); - pnd_log ( pndn_rem, "log level starting as %u", pnd_log_get_filter() ); - } + 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 ); @@ -148,21 +198,20 @@ int main ( int argc, char *argv[] ) { // 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" ); - char tmp_username [ 128 ]; while ( 1 ) { - if ( pnd_check_login ( tmp_username, 127 ) ) { + 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", tmp_username ); + pnd_log ( pndn_rem, "Looks like user '%s' is in, continue.\n", g_username ); /* parse configs */ @@ -184,6 +233,7 @@ int main ( int argc, char *argv[] ) { 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 */ @@ -197,6 +247,9 @@ int main ( int argc, char *argv[] ) { sigaction ( SIGHUP, &siggy, NULL ); + siggy.sa_handler = sigint_handler; + sigaction ( SIGINT, &siggy, NULL ); + /* set up notifies */ @@ -206,42 +259,86 @@ int main ( int argc, char *argv[] ) { 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 || - pnd_notify_rediscover_p ( nh ) ) - { - createtime = time ( NULL ); // all 'new' .destops are created at or after this time; prev are old. + 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; } - // 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.. + 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" ); - pnd_log ( pndn_rem, "Changes within watched paths .. performing re-discover!\n" ); + + createtime = time ( NULL ); // all 'new' .destops are created at or after this time; prev are old. /* run the discovery */ - pnd_log ( pndn_rem, "Scanning desktop paths----------------------------\n" ); + // 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" ); + 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" ); + 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" ); + 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 ); @@ -251,7 +348,9 @@ int main ( int argc, char *argv[] ) { // 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. - //setup_notifications(); + if ( watch_dbus ) { + setup_notifications(); + } } // need to rediscover? @@ -269,6 +368,7 @@ int main ( int argc, char *argv[] ) { /* shutdown */ pnd_notify_shutdown ( nh ); + pnd_dbusnotify_shutdown ( dbh ); return ( 0 ); } @@ -317,6 +417,7 @@ void consume_configuration ( void ) { desktop_dotdesktoppath = pnd_conf_get_as_char ( desktoph, PND_DESKTOP_DOTDESKTOP_PATH_KEY ); desktop_iconpath = pnd_conf_get_as_char ( desktoph, PND_DESKTOP_ICONS_PATH_KEY ); desktop_appspath = pnd_conf_get_as_char ( desktoph, PND_DESKTOP_SEARCH_KEY ); + info_dotdesktoppath = pnd_conf_get_as_char ( desktoph, "info.dotdesktoppath" ); } if ( ! desktop_dotdesktoppath ) { @@ -338,6 +439,11 @@ void consume_configuration ( void ) { menu_appspath = pnd_conf_get_as_char ( desktoph, PND_MENU_SEARCH_KEY ); } + // info + if ( desktoph ) { + g_info_p = pnd_conf_get_as_int_d ( desktoph, "info.emit_info", 0 ); + } + /* try to locate a runscript and optional hupscript */ @@ -352,8 +458,12 @@ void consume_configuration ( void ) { } if ( pnd_conf_get_as_int ( apph, PNDNOTIFYD_LOGLEVEL ) != PND_CONF_BADNUM ) { - pnd_log_set_filter ( pnd_conf_get_as_int ( apph, PNDNOTIFYD_LOGLEVEL ) ); - pnd_log ( pndn_rem, "config file causes loglevel to change to %u", pnd_log_get_filter() ); + if ( pnd_log_do_buried_logging() == 0 ) { + pnd_log_set_filter ( pnd_conf_get_as_int ( apph, PNDNOTIFYD_LOGLEVEL ) ); + pnd_log ( pndn_rem, "config file causes loglevel to change to %u", pnd_log_get_filter() ); + } else { + pnd_log ( pndn_rem, "-l command line suppresses log level change in config file\n" ); + } } } else { @@ -401,6 +511,67 @@ void consume_configuration ( void ) { pnd_log ( pndn_rem, "No pndhup found (which is fine.)\n" ); } + /* cheap hack, maybe it'll help when pndnotifyd is coming up before the rest of the system and before + * the user is formally logged in + */ + pnd_log ( pndn_rem, "Setting a default $HOME to non-root user\n" ); + + // first, try to see if known-username maps to a homedir; if so, just use that! + // otherwise, pick first non-root homedir and assume .. or we start blaring .desktops + // out to all users like idiots + unsigned char got_user_homedir = 0; + + if ( g_username [ 0 ] ) { + struct stat homedir; + char path [ PATH_MAX ]; + + sprintf ( path, "/home/%s", g_username ); + + // does this made up path exist? + if ( stat ( path, &homedir ) == 0 ) { + + // and its a dir? + if ( S_ISDIR(homedir.st_mode) ) { + pnd_log ( pndn_rem, " User [%s] matches path [%s], going with '%s'\n", g_username, path, path ); + setenv ( "HOME", path, 1 /* overwrite */ ); + got_user_homedir = 1; + } // and its a dir? + + } // guessing a homedirname.. + + } // got a username? + + // if guessing a path was no good, just try finding one + if ( got_user_homedir == 0 ) { + DIR *dir; + + if ( ( dir = opendir ( "/home" ) ) ) { + struct dirent *dirent; + + while ( ( dirent = readdir ( dir ) ) ) { + pnd_log ( pndn_rem, " Scanning user homedir '%s'\n", dirent -> d_name ); + + // file is a .desktop? + if ( dirent -> d_name [ 0 ] == '.' ) { + continue; + } else if ( strcmp ( dirent -> d_name, "root" ) == 0 ) { + continue; + } + + // a non-root user is found + char buffer [ 200 ]; + sprintf ( buffer, "/home/%s", dirent -> d_name ); + pnd_log ( pndn_rem, " Going with '%s'\n", buffer ); + setenv ( "HOME", buffer, 1 /* overwrite */ ); + break; + + } // while iterating through dir listing + + closedir ( dir ); + } // opendir? + + } // scope + /* handle globbing or variable substitution */ desktop_dotdesktoppath = pnd_expand_tilde ( strdup ( desktop_dotdesktoppath ) ); @@ -408,6 +579,11 @@ void consume_configuration ( void ) { mkdir ( desktop_dotdesktoppath, 0777 ); mkdir ( desktop_iconpath, 0777 ); + if ( info_dotdesktoppath ) { + info_dotdesktoppath = pnd_expand_tilde ( strdup ( info_dotdesktoppath ) ); + mkdir ( info_dotdesktoppath, 0777 ); + } + if ( menu_dotdesktoppath ) { menu_dotdesktoppath = pnd_expand_tilde ( strdup ( menu_dotdesktoppath ) ); mkdir ( menu_dotdesktoppath, 0777 ); @@ -454,9 +630,20 @@ void setup_notifications ( void ) { pnd_log ( pndn_rem, "Watching path '%s' and its descendents.\n", buffer ); pnd_notify_watch_path ( nh, buffer, PND_NOTIFY_RECURSE ); + //pnd_notify_watch_path ( nh, buffer, 0 /* no recurse */ ); + } SEARCHPATH_POST +#if 0 + sleep ( 1 ); // wait for events to trigger? + + // clear out any notifies we just created + while ( pnd_notify_rediscover_p ( nh ) ) { + usleep ( 100 ); // spin + } // while +#endif + return; } @@ -473,6 +660,21 @@ void sighup_handler ( int n ) { return; } +void sigint_handler ( int n ) { + + pnd_log ( pndn_rem, "---[ SIGINT received ]---\n" ); + + if ( dbh ) { + pnd_dbusnotify_shutdown ( dbh ); + } + + if ( nh ) { + pnd_notify_shutdown ( nh ); + } + + return; +} + // This very recently was inline code; just slight refactor to functionize it so that it can be // reused in a couple of places. Simple code with simple design quickly became too large for // its simple design; should revisit a lot of these little things.. @@ -486,7 +688,7 @@ void process_discoveries ( pnd_box_handle applist, char *emitdesktoppath, char * // check if icon already exists (from a previous extraction say); if so, we needn't // do it again char existingpath [ FILENAME_MAX ]; - sprintf ( existingpath, "%s/%s.png", emiticonpath, d -> unique_id ); + sprintf ( existingpath, "%s/%s.png", emiticonpath, d -> unique_id /*, d -> subapp_number */ ); struct stat dirs; if ( stat ( existingpath, &dirs ) == 0 ) { @@ -504,17 +706,37 @@ void process_discoveries ( pnd_box_handle applist, char *emitdesktoppath, char * pnd_log ( pndn_debug, " Icon not already present, so trying to write it! %s\n", existingpath ); + // handle same-path icon override for davec :) + char ovrfile [ PATH_MAX ]; + char *fixpxml; + sprintf ( ovrfile, "%s/%s", d -> object_path, d -> object_filename ); + fixpxml = strcasestr ( ovrfile, PND_PACKAGE_FILEEXT ); + if ( fixpxml ) { + strcpy ( fixpxml, ".png" ); + fixpxml = NULL; + struct stat statbuf; + if ( stat ( ovrfile, &statbuf ) == 0 ) { + d -> icon = strdup ( ovrfile ); + fixpxml = ovrfile; // !NULL will be the trigger to skip emittinf desktop from .pnd + } // stat + } // ovr? + // attempt to create icon files; if successful, alter the disco struct to contain new // path, otherwise leave it alone (since it could be a generic icon reference..) - if ( pnd_emit_icon ( emiticonpath, d ) ) { - // success; fix up icon path to new one.. - if ( d -> icon ) { - free ( d -> icon ); + if ( fixpxml == NULL ) { + // don't have an same-path override icon, so go fetch something from pnd file + + if ( pnd_emit_icon ( emiticonpath, d ) ) { + // success; fix up icon path to new one.. + if ( d -> icon ) { + free ( d -> icon ); + } + d -> icon = strdup ( existingpath ); + } else { + pnd_log ( pndn_debug, " WARN: Couldn't write out icon %s\n", existingpath ); } - d -> icon = strdup ( existingpath ); - } else { - pnd_log ( pndn_debug, " WARN: Couldn't write out icon %s\n", existingpath ); - } + + } // got ovr icon already? } // icon already exists? @@ -530,6 +752,62 @@ void process_discoveries ( pnd_box_handle applist, char *emitdesktoppath, char * pnd_log ( pndn_rem, "ERROR: Error creating .desktop file for app: %s\n", pnd_box_get_key ( d ) ); } + // info .desktop + if ( g_info_p && info_dotdesktoppath ) { + if ( ! pnd_emit_dotinfo ( info_dotdesktoppath, pndrun, d ) ) { + pnd_log ( pndn_rem, "ERROR: Error creating info .desktop file for app: %s\n", pnd_box_get_key ( d ) ); + } + } + + // does this object request any mkdir's? + if ( d -> mkdir_sp ) { + + // it would appear it does! but we have to carefully validate these suckers + pnd_log ( pndn_rem, " App %s requests mkdir: %s\n", d -> object_path, d -> mkdir_sp ); + + // for each mkdir requested path, do it... + char *searchpath = d -> mkdir_sp; + + SEARCHCHUNK_PRE + { + /* "buffer" now holds each chunk of the searchpath, expanded */ + + // WARN: This whole concept could be flawed; what if they represent '..' in some other obscure way (unicode?) + // and we end up allowing mkdir's all over the place? The risk really is limited -- once the pnd is here, + // if the user _runs it_, it can go nuts, so creating a few dirs isn't all that dangerous... + // HMRF :/ + // Perhaps I should have a config setting for pndnotifyd to suppress this whole mkdir behaviour? + + // if not containing ".." we allow it + if ( strstr ( buffer, ".." ) == NULL ) { + + // determine mountpoint for the file + // - we could deduce this from the path (somewhat risky if we assume leading /media/mmcblk1p1 type notation .. could + // be other distributions entirely + // - better to scan through mount-list and figure it out.. *sucks* + char mountpoint [ PATH_MAX ]; + if ( pnd_determine_mountpoint ( d -> object_path, mountpoint, PATH_MAX - strlen ( buffer ) - 1 ) == 1 ) { + + strcat ( mountpoint, "/" ); + strcat ( mountpoint, buffer ); + + struct stat t; + if ( stat ( mountpoint, &t ) == 0 ) { + pnd_log ( pndn_rem, " Skipping existing mkdir: %s\n", mountpoint ); + } else { + pnd_log ( pndn_rem, " Attempting create of non-existant path: %s\n", mountpoint ); + mkdir ( mountpoint, 0777 ); + } + + } // if figured out the mountpoint + + } // if valid path + + } + SEARCHCHUNK_POST + + } // mkdir request + // next! d = pnd_box_get_next ( d ); @@ -544,6 +822,9 @@ unsigned char perform_discoveries ( char *appspath, char *overridespath, { pnd_box_handle applist; + pnd_log ( pndn_rem, "perform discovery - apps: %s, overrides: %s\n", appspath, overridespath ); + pnd_log ( pndn_rem, " - emit desktop: %s, icons: %s\n", emitdesktoppath, emiticonpath ); + // attempt to auto-discover applications in the given path applist = pnd_disco_search ( appspath, overridespath ); @@ -597,13 +878,13 @@ unsigned char perform_discoveries ( char *appspath, char *overridespath, } } if ( source_libpnd ) { -#if 0 - pnd_log ( pndn_rem, +#if 1 + pnd_log ( pndn_debug, "File '%s' appears to have been created by libpnd so candidate for delete: %u\n", buffer, source_libpnd ); #endif } else { #if 0 - pnd_log ( pndn_rem, "File '%s' appears NOT to have been created by libpnd, so leave it alone\n", buffer ); + pnd_log ( pndn_debug, "File '%s' appears NOT to have been created by libpnd, so leave it alone\n", buffer ); #endif continue; // skip deleting it } @@ -611,8 +892,8 @@ unsigned char perform_discoveries ( char *appspath, char *overridespath, // file is 'new'? if ( stat ( buffer, &dirs ) == 0 ) { if ( dirs.st_mtime >= createtime ) { -#if 0 - pnd_log ( pndn_rem, "File '%s' seems 'new', so leave it alone.\n", buffer ); +#if 1 + pnd_log ( pndn_debug, "File '%s' seems 'new', so leave it alone.\n", buffer ); #endif continue; // skip deleting it }