path: root/calendar/calendar-pilot-sync.c

/*
 * calendar-pilot-sync.c:
 *   
 * (C) 1999 International GNOME Support
 *
 * Author:
 *   Miguel de Icaza (miguel@gnome-support.com)
 *
 */
#include <config.h>
#include <gnome.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <libgnorba/gnome-factory.h>
#include <libgnorba/gnorba.h>
#include "calobj.h"
#include "calendar.h"
#include "timeutil.h"
#include "GnomeCal.h"
#include "pi-source.h"
#include "pi-socket.h"
#include "pi-datebook.h"
#include "pi-dlp.h"

/* the CORBA ORB */
CORBA_ORB orb;

/* The default port to communicate with */
char *pilot_port = "/dev/pilot";

CORBA_Environment ev;

/* Our pi-socket address where we connect to */
struct pi_sockaddr addr;

/* The Pilot DB identifier for DateBook */
int db;

/* True if you want to dump the flags bits from the records */
int debug_attrs = 0;

int only_desktop_to_pilot = 0;

int only_pilot_to_desktop = 0;

const struct poptOption calendar_sync_options [] = {
    { "pilot", 0, POPT_ARG_STRING, &pilot_port, 0,
      N_("Specifies the port on which the Pilot is"), N_("PORT") },
    { "debug-attrs", 0, POPT_ARG_NONE, &debug_attrs, 0,
      N_("If you want to debug the attributes on records"), NULL },
    { "only-desktop", 0, POPT_ARG_NONE, &only_desktop_to_pilot, 0,
      N_("Only syncs from desktop to pilot"), NULL },
    { "only-pilot", 0, POPT_ARG_INT, &only_pilot_to_desktop, 0,
      N_("Only syncs from pilot to desktop"), NULL },
    { NULL, '\0', 0, NULL, 0 }
};

static void
conduit_free_Appointment (struct Appointment *a)
{
    /* free_Appointment is brain-dead with respect to guarding against
       double-frees */
    
    free_Appointment (a);
    a->exception = 0;
    a->description = 0;
    a->note = 0;
}

static int
setup_connection (void)
{
    int socket;
    int ret, news;
    
    if (!(socket = pi_socket(PI_AF_SLP, PI_SOCK_STREAM, PI_PF_PADP))) 
        g_error (_("Can not create Pilot socket\n"));

    addr.pi_family = PI_AF_SLP;
    strncpy ((void *) &addr.pi_device, pilot_port, sizeof (addr.pi_device));

    ret = pi_bind (socket, (struct sockaddr *)&addr, sizeof (addr));
    if (ret == -1)
        g_error (_("Can not bind to device %s\n"), pilot_port);

    if (pi_listen (socket, 1) == -1)
        g_error (_("Failed to get a connection from the Pilot device"));

    if ((news = pi_accept (socket, 0, 0)) == -1)
        g_error (_("pi_accept failed"));

    return news;
}

static GNOME_Calendar_Repository
locate_calendar_server (void)
{
    GNOME_Calendar_Repository repo;
    
    repo = goad_server_activate_with_id (
        NULL, "IDL:GNOME:Calendar:Repository:1.0",
        0, NULL);
    
    if (repo == CORBA_OBJECT_NIL)
        g_error ("Can not communicate with GnomeCalendar server");

    if (ev._major != CORBA_NO_EXCEPTION){
        printf ("Exception: %s\n", CORBA_exception_id (&ev));
        abort ();
    }
    
    return repo;
}

static void
delete_record (GNOME_Calendar_Repository repo, int id)
{
    char *uid;

    uid = GNOME_Calendar_Repository_get_id_from_pilot_id (repo, id, &ev);

    /* The record was already deleted */
    if (ev._major != CORBA_NO_EXCEPTION)
        return;
    
    GNOME_Calendar_Repository_delete_object (repo, uid, &ev);
    CORBA_free (uid);
}

static void
update_record (GNOME_Calendar_Repository repo, int id, struct Appointment *a, int attr)
{
    char *vcal_string;
    iCalObject *obj;
    int i;
    char *str;
    
    obj = ical_new (a->note ? a->note : "",
            g_get_user_name (),
            a->description ? a->description : "");

    printf ("requesting %d [%s]\n", id, a->description);
    vcal_string = GNOME_Calendar_Repository_get_object_by_pilot_id (repo, id, &ev);

    if (ev._major == CORBA_USER_EXCEPTION){
        time_t now = time (NULL);
        
        obj->created = now;
        obj->last_mod = now;
        obj->priority = 0;
        obj->transp = 0;
        obj->related = NULL;
        obj->pilot_id = id;
        obj->pilot_status = ICAL_PILOT_SYNC_NONE;
        printf (_("\tObject did not exist, creating a new one\n"));
    } else {
        printf ("\tFound\n");
        obj = ical_object_new_from_string (vcal_string);
    }

    if (obj->pilot_status == ICAL_PILOT_SYNC_MOD){
        printf (_("\tObject has been modified on desktop and on the pilot, desktop takes precedence\n"));
        ical_object_destroy (obj);
        return;
    }

    /*
     * Begin and end
     */

    if (a->event)
    {
        /* turn day-long events into a full day's appointment */
        a->begin.tm_sec = 0;
        a->begin.tm_min = 0;
        a->begin.tm_hour = 6;

        a->end.tm_sec = 0;
        a->end.tm_min = 0;
        a->end.tm_hour = 10;
    }
    
    obj->dtstart = mktime (&a->begin);
    obj->dtend = mktime (&a->end);

    /* Special case: daily repetitions are converted to a multi-day event */
    if (a->repeatType == repeatDaily){
        time_t newt = time_add_day (obj->dtend, a->repeatFrequency);

        obj->dtend = newt;
    }

    /*
     * Alarm
     */
    if (a->alarm){
        obj->aalarm.type = ALARM_AUDIO;
        obj->aalarm.enabled = 1;
        obj->aalarm.count = a->advance;

        switch (a->advanceUnits){
        case advMinutes:
            obj->aalarm.units = ALARM_MINUTES;
            break;
            
        case advHours:
            obj->aalarm.units = ALARM_HOURS;
            break;
            
        case advDays:
            obj->aalarm.units = ALARM_DAYS;
            break;
        default:
        }
    }

    /*
     * Recurrence
     */
    if (a->repeatFrequency && a->repeatType != repeatDaily){
        obj->recur = g_new0 (Recurrence, 1);
        
        switch (a->repeatType){
        case repeatDaily:
            /*
             * In the Pilot daily repetitions are actually
             * multi-day events
             */
            g_warning ("Should not have got here");
            break;
            
        case repeatMonthlyByDate:
            obj->recur->type = RECUR_MONTHLY_BY_DAY;
            obj->recur->u.month_day = a->repeatFrequency;
            break;
            
        case repeatWeekly:
        {
            int wd;

            obj->recur->type = RECUR_WEEKLY;
            for (wd = 0; wd < 7; wd++)
                if (a->repeatDays [wd])
                    obj->recur->weekday |= 1 << wd;

            if (obj->recur->weekday == 0){
                struct tm tm = *localtime (&obj->dtstart);

                obj->recur->weekday = 1 << tm.tm_wday;
            }
            break;
        }
        
        case repeatMonthlyByDay:
            obj->recur->type = RECUR_MONTHLY_BY_POS;
            obj->recur->u.month_pos = a->repeatFrequency;
            obj->recur->weekday = (a->repeatDay / 7);
            break;
            
        case repeatYearly:
            obj->recur->type = RECUR_YEARLY_BY_DAY;
            break;

        default:
            g_warning ("Unhandled repeate case");
        }

        if (a->repeatForever)
            obj->recur->duration = 0;
        else
            obj->recur->_enddate = mktime (&a->repeatEnd);
    }

    /*
     * Load exception dates 
     */
    obj->exdate = NULL;
    for (i = 0; i < a->exceptions; i++){
        time_t *t = g_new (time_t, 1);

        *t = mktime (&(a->exception [i]));
        obj->exdate = g_list_prepend (obj->exdate, t);
    }

    g_free (obj->class);
    
    if (attr & dlpRecAttrSecret)
        obj->class = g_strdup ("PRIVATE");
    else
        obj->class = g_strdup ("PUBLIC");

    /*
     * Now, convert the in memory iCalObject to a full vCalendar we can send
     */
    str = calendar_string_from_object (obj);

    GNOME_Calendar_Repository_update_object (repo, obj->uid, str, &ev);

    free (str);
    
    /*
     * Shutdown
     */
    ical_object_destroy (obj);
}

/*
 * Sets the alarm for Appointment based on @alarm
 */
static int
try_alarm (CalendarAlarm *alarm, struct Appointment *a)
{
    if (!alarm->enabled)
        return 0;

    a->advance = alarm->count;
    switch (alarm->type){
    case ALARM_DAYS:
        a->advanceUnits = advDays;
        break;
        
    case ALARM_HOURS:
        a->advanceUnits = advHours;
        break;

    case ALARM_MINUTES:
        a->advanceUnits = advMinutes;
        break;

    default:
        return 0;
    }
    a->alarm = 1;
    return 1;
}

static void
sync_object_to_pilot (GNOME_Calendar_Repository repo, iCalObject *obj, int pilot_fd)
{
    char buffer [65536];
    struct Appointment *a;
    int wd, i, idx, attr, cat, rec_len;
    recordid_t new_id;
    GList *l;
    
    a = g_new0 (struct Appointment, 1);

    attr = 0;
    cat = 0;
    idx = 0;
    
    if (obj->pilot_id){
        rec_len = dlp_ReadRecordById (pilot_fd, db, obj->pilot_id,
                          buffer, &idx, &rec_len, &attr, &cat);

        if (rec_len > 0)
            unpack_Appointment (a, buffer, rec_len);
    } else {
        attr = 0;
        cat = 0;
    }
    
    /* a contains the appointment either cleared or with the data from the Pilot */
    a->begin = *localtime (&obj->dtstart);
    a->end   = *localtime (&obj->dtend);

    /* FIXME: add support for timeless */
    a->event = 0;

    /* Alarms, try the various ones.  Probably we should only do Audio?
     * Otherwise going gnomecal->pilot->gnomecal would get the gnomecal
     * with *possibly* an alarm that was not originally defined.
     */
    a->alarm = 0;
    if (try_alarm (&obj->aalarm, a) == 0)
        if (try_alarm (&obj->dalarm, a) == 0)
            try_alarm (&obj->palarm, a);

    /* Recurrence */
    if (obj->recur){
        a->repeatFrequency = obj->recur->interval;
        
        switch (obj->recur->type){
        case RECUR_MONTHLY_BY_POS:
            a->repeatType = repeatMonthlyByDay;
            a->repeatFrequency = obj->recur->u.month_pos;
            a->repeatDay = obj->recur->weekday * 7;
            break;
            
        case RECUR_MONTHLY_BY_DAY:
            a->repeatType = repeatMonthlyByDate;
            a->repeatFrequency = obj->recur->u.month_day;
            break;
        
        case RECUR_YEARLY_BY_DAY:
            a->repeatType = repeatYearly;
            break;
            
        case RECUR_WEEKLY:
            for (wd = 0; wd < 7; wd++)
                if (obj->recur->weekday & (1 << wd))
                    a->repeatDays [wd] = 1;
            a->repeatType = repeatWeekly;
            break;
        case RECUR_DAILY:
            
        default:
            a->repeatType = repeatNone;
            break;
        }
        if (obj->recur->enddate == 0){
            a->repeatForever = 1;
        } else
            a->repeatEnd = *localtime (&obj->recur->enddate);
    }
    
    /*
     * Pilot uses a repeat-daily for a multi-day event, adjust for that case
     */
    if ((a->end.tm_mday != a->begin.tm_mday) ||
        (a->end.tm_mon != a->begin.tm_mon) ||
        (a->end.tm_year != a->begin.tm_year)){
        a->event = 1;
        a->begin.tm_sec = 0;
        a->begin.tm_min = 0;
        a->begin.tm_hour = 0;

        a->end.tm_sec = 0;
        a->end.tm_min = 0;
        a->end.tm_hour = 0;

        a->repeatEnd = a->end;
        a->repeatForever = 0;
        a->repeatFrequency = 1;
        a->repeatType = repeatDaily;
    }
       
    /*
     * Exceptions
     */
    a->exceptions = g_list_length (obj->exdate);
    a->exception = (struct tm *) malloc (sizeof (struct tm) * a->exceptions);
    for (i = 0, l = obj->exdate; l; l = l->next, i++){
        time_t *exdate = l->data;

        a->exception [i] = *localtime (exdate);
    }

    /*
     * Description and note.
     *
     * We use strdup to be correct.  free_Appointment assumes we used
     * malloc.
     */
    if (obj->comment)
        a->note = strdup (obj->comment);
    else
        a->note = 0;

    if (obj->summary)
        a->description = strdup (obj->summary);
    else
        a->description = strdup (_("No description"));

    if (strcmp (obj->class, "PUBLIC") != 0)
        attr |= dlpRecAttrSecret;
    else
        attr &= ~dlpRecAttrSecret;

    /*
     * Send the appointment to the pilot
     */
    rec_len = pack_Appointment (a, buffer, sizeof (buffer));
    attr &= ~dlpRecAttrDirty;
    
    dlp_WriteRecord (
        pilot_fd, db, 0,
        obj->pilot_id, 0, buffer, rec_len, &new_id);
    
    GNOME_Calendar_Repository_update_pilot_id (repo, obj->uid, new_id, ICAL_PILOT_SYNC_NONE, &ev);
    
    conduit_free_Appointment (a);
    g_free (a);
}

static void
sync_cal_to_pilot (GNOME_Calendar_Repository repo, Calendar *cal, int pilot_fd)
{
    GList *l;
    int c = g_list_length (cal->events);
    int i;

    printf ("\n");
    for (i = 0, l = cal->events; l; l = l->next, i++){
        iCalObject *obj = l->data;

        printf ("Syncing desktop to pilot: %d/%d\r", i + 1, c);
        fflush (stdout);
        if (obj->pilot_status != ICAL_PILOT_SYNC_MOD){
            g_warning ("Strange, we were supposed to get only a dirty object");
            continue;
        }
        
        sync_object_to_pilot (repo, obj, pilot_fd);
    }
    printf ("\n");
}

static void
dump_attr (int flags)
{
    if (flags & dlpRecAttrDeleted)
        fprintf(stderr, " Deleted");
    if (flags & dlpRecAttrDirty)
        fprintf(stderr, " Dirty");
    if (flags & dlpRecAttrBusy)
        fprintf(stderr, " Busy");
    if (flags & dlpRecAttrSecret)
        fprintf(stderr, " Secret");
    if (flags & dlpRecAttrArchived)
        fprintf(stderr, " Archive");
    fprintf (stderr, "\n");
}

static void
sync_pilot (GNOME_Calendar_Repository repo, int pilot_fd)
{
    struct PilotUser user_info;
    int record;
    unsigned char buffer [65536];
    Calendar *dirty_cal;
    char *vcalendar_string;
    char *error;
    
    printf (_("Syncing with the pilot..."));
    dlp_ReadUserInfo (pilot_fd, &user_info);

    /* This informs the user of the progress on the Pilot */
    dlp_OpenConduit (pilot_fd);

    if (dlp_OpenDB (pilot_fd, 0, 0x80 | 0x40, "DatebookDB", &db) < 0){
        g_warning (_("Could not open DatebookDB on the Pilot"));
        dlp_AddSyncLogEntry (pilot_fd, _("Unable to open DatebookDB"));
        pi_close (pilot_fd);
        exit (1);
    }

    /*
     * 1. Pull all the records from the Pilot, and make any updates
     *    required on the desktop side
     */
    if (!only_desktop_to_pilot){
        for (record = 0;; record++){
            struct Appointment a;
            int rec_len, attr, size;
            recordid_t id;
            
            rec_len = dlp_ReadRecordByIndex (
                pilot_fd, db,
                record, buffer, &id, &size, &attr, 0);

            if (rec_len < 0)
                break;
            
            printf ("processing record %d\n", record);
            unpack_Appointment (&a, buffer, rec_len);
            
            if (debug_attrs)
                dump_attr (attr);
            
            /* If the object was deleted, remove it from the database */
            if (attr & dlpRecAttrDeleted){
                printf ("Deleting id %ld\n", id);
                delete_record (repo, id);
                conduit_free_Appointment (&a);
                dlp_DeleteRecord (pilot_fd, db, 0, id);
                continue;
            }

            if (attr & dlpRecAttrArchived)
                continue;
            
            printf ("updating record\n");
            update_record (repo, id, &a, attr);

            conduit_free_Appointment (&a);
        }
    }
    
    /*
     * 2. Pull all the records from the Calendar, and move any new items
     *    to the pilot
     */
    if (!only_pilot_to_desktop){
        vcalendar_string = GNOME_Calendar_Repository_get_updated_objects (repo, &ev);
        dirty_cal = calendar_new ("Temporal");
        error = calendar_load_from_memory (dirty_cal, vcalendar_string);
        if (!error)
            sync_cal_to_pilot (repo, dirty_cal, pilot_fd);
        calendar_destroy (dirty_cal);
    }
    
    
    dlp_CloseDB (pilot_fd, db);
    dlp_AddSyncLogEntry (pilot_fd, _("Synced DateBook from Pilot to GnomeCal"));
    pi_close (pilot_fd);
}

int
main (int argc, char *argv [])
{
    int link;
    GNOME_Calendar_Repository repository;
    
    CORBA_exception_init (&ev);
    orb = gnome_CORBA_init_with_popt_table (
        "calendar-pilot-sync", VERSION, &argc, argv,
        calendar_sync_options, 0, NULL, 0, &ev);

    printf ("Please, press HotSync button on the palm...");
    fflush (stdout);
    link = setup_connection ();
    printf ("Connected\n");

    printf ("Launching GnomeCal...");
    fflush (stdout);
    repository = locate_calendar_server ();
    printf ("Done\n");

    printf ("<Syncing>\n");
    sync_pilot (repository, link);
    printf ("</Syncing>\n");
    
    GNOME_Calendar_Repository_done (repository, &ev);
    
    CORBA_exception_free (&ev);

    return 0;
}

/* Just a stub to link with */
void
calendar_notify (time_t time, CalendarAlarm *which, void *data)
{
}