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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
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/* Copyright (C) 2002-2004 Novell, Inc.
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of version 2 of the GNU Lesser General Public
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* License as published by the Free Software Foundation.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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* You should have received a copy of the GNU Lesser General Public
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* License along with this program; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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/* e2k-freebusy.c: routines for manipulating Exchange free/busy data */
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#include "e2k-freebusy.h"
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#include "e2k-propnames.h"
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#include "e2k-restriction.h"
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#include "e2k-utils.h"
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#include <libedataserver/e-time-utils.h>
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* e2k_freebusy_destroy:
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* @fb: the #E2kFreebusy
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* Frees @fb and all associated data.
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e2k_freebusy_destroy (E2kFreebusy *fb)
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g_object_unref (fb->ctx);
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for (i = 0; i < E2K_BUSYSTATUS_MAX; i++)
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g_array_free (fb->events[i], TRUE);
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fb_uri_for_dn (const gchar *public_uri, const gchar *dn)
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gchar *uri, *div, *org;
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for (div = strchr (dn, '/'); div; div = strchr (div + 1, '/')) {
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if (!g_ascii_strncasecmp (div, "/cn=", 4))
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g_return_val_if_fail (div, NULL);
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org = g_strndup (dn, div - dn);
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str = g_string_new (public_uri);
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g_string_append (str, "/NON_IPM_SUBTREE/SCHEDULE%2B%20FREE%20BUSY/EX:");
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e2k_uri_append_encoded (str, org, TRUE, NULL);
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g_string_append (str, "/USER-");
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e2k_uri_append_encoded (str, div, TRUE, NULL);
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g_string_append (str, ".EML");
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g_string_free (str, FALSE);
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merge_events (GArray *events)
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E2kFreebusyEvent evt, evt2;
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evt = g_array_index (events, E2kFreebusyEvent, 0);
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for (i = 1; i < events->len; i++) {
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evt2 = g_array_index (events, E2kFreebusyEvent, i);
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if (evt.end >= evt2.start) {
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if (evt2.end > evt.end)
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g_array_remove_index (events, i--);
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add_data_for_status (E2kFreebusy *fb, GPtrArray *monthyears, GPtrArray *fbdatas, GArray *events)
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E2kFreebusyEvent evt;
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if (!monthyears || !fbdatas)
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memset (&tm, 0, sizeof (tm));
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for (i = 0; i < monthyears->len && i < fbdatas->len; i++) {
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monthyear = atoi (monthyears->pdata[i]);
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fbdata = fbdatas->pdata[i];
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tm.tm_year = (monthyear >> 4) - 1900;
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tm.tm_mon = (monthyear & 0xF) - 1;
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for (p = fbdata->data; p + 3 < fbdata->data + fbdata->len; p += 4) {
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tm.tm_min = p[0] + p[1] * 256;
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evt.start = e_mktime_utc (&tm);
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tm.tm_min = p[2] + p[3] * 256;
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evt.end = e_mktime_utc (&tm);
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g_array_append_val (events, evt);
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merge_events (events);
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static const gchar *public_freebusy_props[] = {
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PR_FREEBUSY_START_RANGE,
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PR_FREEBUSY_END_RANGE,
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PR_FREEBUSY_ALL_MONTHS,
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PR_FREEBUSY_ALL_EVENTS,
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PR_FREEBUSY_TENTATIVE_MONTHS,
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PR_FREEBUSY_TENTATIVE_EVENTS,
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PR_FREEBUSY_BUSY_MONTHS,
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PR_FREEBUSY_BUSY_EVENTS,
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PR_FREEBUSY_OOF_MONTHS,
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PR_FREEBUSY_OOF_EVENTS
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static const gint n_public_freebusy_props = sizeof (public_freebusy_props) / sizeof (public_freebusy_props[0]);
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* @ctx: an #E2kContext
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* @public_uri: the URI of the MAPI public folder tree
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* @dn: the legacy Exchange DN of a user
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* Creates a new #E2kFreebusy, filled in with information from the
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* indicated user's published free/busy information. This uses the
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* public free/busy folder; the caller does not need permission to
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* access the @dn's Calendar.
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* Note that currently, this will fail and return %NULL if the user
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* does not already have free/busy information stored on the server.
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* Return value: the freebusy information
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e2k_freebusy_new (E2kContext *ctx, const gchar *public_uri, const gchar *dn)
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GPtrArray *monthyears, *fbdatas;
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E2kHTTPStatus status;
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gint nresults = 0, i;
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uri = fb_uri_for_dn (public_uri, dn);
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g_return_val_if_fail (uri, NULL);
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status = e2k_context_propfind (ctx, NULL, uri,
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public_freebusy_props,
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n_public_freebusy_props,
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&results, &nresults);
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if (!E2K_HTTP_STATUS_IS_SUCCESSFUL (status) || nresults == 0) {
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/* FIXME: create it */
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fb = g_new0 (E2kFreebusy, 1);
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fb->dn = g_strdup (dn);
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for (i = 0; i < E2K_BUSYSTATUS_MAX; i++)
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fb->events[i] = g_array_new (FALSE, FALSE, sizeof (E2kFreebusyEvent));
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time = e2k_properties_get_prop (
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results[0].props, PR_FREEBUSY_START_RANGE);
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fb->start = time ? e2k_systime_to_time_t (strtol (time, NULL, 10)) : 0;
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time = e2k_properties_get_prop (
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results[0].props, PR_FREEBUSY_END_RANGE);
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fb->end = time ? e2k_systime_to_time_t (strtol (time, NULL, 10)) : 0;
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monthyears = e2k_properties_get_prop (
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results[0].props, PR_FREEBUSY_ALL_MONTHS);
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fbdatas = e2k_properties_get_prop (
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results[0].props, PR_FREEBUSY_ALL_EVENTS);
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add_data_for_status (fb, monthyears, fbdatas, fb->events[E2K_BUSYSTATUS_ALL]);
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monthyears = e2k_properties_get_prop (
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results[0].props, PR_FREEBUSY_TENTATIVE_MONTHS);
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fbdatas = e2k_properties_get_prop (
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results[0].props, PR_FREEBUSY_TENTATIVE_EVENTS);
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add_data_for_status (fb, monthyears, fbdatas, fb->events[E2K_BUSYSTATUS_TENTATIVE]);
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monthyears = e2k_properties_get_prop (
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results[0].props, PR_FREEBUSY_BUSY_MONTHS);
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fbdatas = e2k_properties_get_prop (
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results[0].props, PR_FREEBUSY_BUSY_EVENTS);
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add_data_for_status (fb, monthyears, fbdatas, fb->events[E2K_BUSYSTATUS_BUSY]);
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monthyears = e2k_properties_get_prop (
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results[0].props, PR_FREEBUSY_OOF_MONTHS);
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fbdatas = e2k_properties_get_prop (
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results[0].props, PR_FREEBUSY_OOF_EVENTS);
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add_data_for_status (fb, monthyears, fbdatas, fb->events[E2K_BUSYSTATUS_OOF]);
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e2k_results_free (results, nresults);
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* e2k_freebusy_reset:
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* @fb: an #E2kFreebusy
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* @nmonths: the number of months of info @fb will store
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* Clears all existing data in @fb and resets the start and end times
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* to a span of @nmonths around the current date.
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e2k_freebusy_reset (E2kFreebusy *fb, gint nmonths)
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/* Remove all existing events */
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for (i = 0; i < E2K_BUSYSTATUS_MAX; i++)
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g_array_set_size (fb->events[i], 0);
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/* Set the start and end times appropriately: from the beginning
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* of the current month until nmonths later.
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* FIXME: Use default timezone, not local time.
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tm.tm_hour = tm.tm_min = tm.tm_sec = 0;
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fb->start = mktime (&tm);
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tm.tm_mon += nmonths;
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fb->end = mktime (&tm);
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* e2k_freebusy_add_interval:
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* @fb: an #E2kFreebusy
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* @busystatus: the busy status of the interval
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* @start: the start of the interval
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* @end: the end of the interval
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* This adds an interval of type @busystatus to @fb.
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e2k_freebusy_add_interval (E2kFreebusy *fb, E2kBusyStatus busystatus,
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time_t start, time_t end)
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E2kFreebusyEvent evt, *events;
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if (busystatus == E2K_BUSYSTATUS_FREE)
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/* Clip to the fb's range */
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if (start < fb->start)
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events = (E2kFreebusyEvent *)(fb->events[busystatus]->data);
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for (i = 0; i < fb->events[busystatus]->len; i++) {
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if (events[i].end >= start)
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if (i == fb->events[busystatus]->len)
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g_array_append_val (fb->events[busystatus], evt);
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/* events[i] is the first event that is not completely
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* before evt, meaning it is either completely after it,
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* or they overlap/abut.
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if (events[i].start > end) {
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/* No overlap. Insert evt before events[i]. */
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g_array_insert_val (fb->events[busystatus], i, evt);
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/* They overlap or abut. Merge them. */
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events[i].start = MIN (events[i].start, start);
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events[i].end = MAX (events[i].end, end);
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* e2k_freebusy_clear_interval:
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* @fb: an #E2kFreebusy
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* @start: the start of the interval
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* @end: the end of the interval
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* This removes any events between @start and @end in @fb.
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e2k_freebusy_clear_interval (E2kFreebusy *fb, time_t start, time_t end)
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E2kFreebusyEvent *evt;
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for (busystatus = 0; busystatus < E2K_BUSYSTATUS_MAX; busystatus++) {
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for (i = 0; i < fb->events[busystatus]->len; i++) {
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evt = &g_array_index (fb->events[busystatus], E2kFreebusyEvent, i);
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if (evt->end < start || evt->start > end)
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/* evt overlaps the interval. Truncate or
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if (evt->start > start /* && evt->start <= end */)
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if (evt->end < end /* && evt->end >= start */)
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if (evt->start >= evt->end)
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g_array_remove_index (fb->events[busystatus], i--);
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static const gchar *freebusy_props[] = {
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E2K_PR_CALENDAR_DTSTART,
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E2K_PR_CALENDAR_DTEND,
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E2K_PR_CALENDAR_BUSY_STATUS
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static const gint n_freebusy_props = sizeof (freebusy_props) / sizeof (freebusy_props[0]);
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* e2k_freebusy_add_from_calendar_uri:
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* @fb: an #E2kFreebusy
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* @uri: the URI of a calendar folder
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* @start_tt: start of the range to add
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* @end_tt: end of the range to add
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* This queries the server for events between @start_tt and @end_tt in
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* the calendar at @uri (which the caller must have permission to
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* read) and adds them @fb. Any previously-existing events during that
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* Return value: an HTTP status code.
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e2k_freebusy_add_from_calendar_uri (E2kFreebusy *fb, const gchar *uri,
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time_t start_tt, time_t end_tt)
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gchar *start, *end, *busystatus;
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e2k_freebusy_clear_interval (fb, start_tt, end_tt);
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start = e2k_make_timestamp (start_tt);
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end = e2k_make_timestamp (end_tt);
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rn = e2k_restriction_andv (
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e2k_restriction_prop_string (E2K_PR_DAV_CONTENT_CLASS,
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"urn:content-classes:appointment"),
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e2k_restriction_prop_date (E2K_PR_CALENDAR_DTEND,
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E2K_RELOP_GT, start),
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e2k_restriction_prop_date (E2K_PR_CALENDAR_DTSTART,
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e2k_restriction_prop_string (E2K_PR_CALENDAR_BUSY_STATUS,
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E2K_RELOP_NE, "FREE"),
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iter = e2k_context_search_start (fb->ctx, NULL, uri,
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freebusy_props, n_freebusy_props,
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e2k_restriction_unref (rn);
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while ((result = e2k_result_iter_next (iter))) {
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start = e2k_properties_get_prop (result->props,
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E2K_PR_CALENDAR_DTSTART);
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end = e2k_properties_get_prop (result->props,
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E2K_PR_CALENDAR_DTEND);
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busystatus = e2k_properties_get_prop (result->props,
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E2K_PR_CALENDAR_BUSY_STATUS);
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if (!start || !end || !busystatus)
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if (!strcmp (busystatus, "TENTATIVE"))
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busy = E2K_BUSYSTATUS_TENTATIVE;
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else if (!strcmp (busystatus, "OUTOFOFFICE"))
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busy = E2K_BUSYSTATUS_OOF;
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busy = E2K_BUSYSTATUS_BUSY;
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e2k_freebusy_add_interval (fb, busy,
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e2k_parse_timestamp (start),
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e2k_parse_timestamp (end));
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return e2k_result_iter_free (iter);
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add_events (GArray *events_array, E2kProperties *props,
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const gchar *month_list_prop, const gchar *data_list_prop)
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E2kFreebusyEvent *events = (E2kFreebusyEvent *)events_array->data;
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gint i, evt_start, evt_end, monthyear;
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struct tm start_tm, end_tm;
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GPtrArray *monthyears, *datas;
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if (!events_array->len) {
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e2k_properties_remove (props, month_list_prop);
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e2k_properties_remove (props, data_list_prop);
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monthyears = g_ptr_array_new ();
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start_tm = *gmtime (&events[0].start);
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end_tm = *gmtime (&events[events_array->len - 1].end);
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while (start_tm.tm_year <= end_tm.tm_year ||
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start_tm.tm_mon <= end_tm.tm_mon) {
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monthyear = ((start_tm.tm_year + 1900) * 16) +
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(start_tm.tm_mon + 1);
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g_ptr_array_add (monthyears, g_strdup_printf ("%d", monthyear));
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if (start_tm.tm_mon == 12) {
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e2k_properties_set_int_array (props, month_list_prop, monthyears);
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datas = g_ptr_array_new ();
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start = events[0].start;
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while (i < events_array->len) {
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start_tm = *gmtime (&start);
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end = e_mktime_utc (&start_tm);
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data = g_byte_array_new ();
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while (i << events_array->len &&
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events[i].end > start && events[i].start < end) {
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if (events[i].start < start)
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evt_start = (events[i].start - start) / 60;
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if (events[i].end > end)
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evt_end = (end - start) / 60;
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evt_end = (events[i].end - start) / 60;
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startend[0] = evt_start & 0xFF;
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startend[1] = evt_start >> 8;
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startend[2] = evt_end & 0xFF;
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startend[3] = evt_end >> 8;
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g_byte_array_append (data, (guint8 *) startend, 4);
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g_ptr_array_add (datas, data);
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e2k_properties_set_binary_array (props, data_list_prop, datas);
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* @fb: an #E2kFreebusy
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* Saves the data in @fb back to the server.
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* Return value: a libsoup or HTTP status code
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e2k_freebusy_save (E2kFreebusy *fb)
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E2kProperties *props;
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E2kHTTPStatus status;
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props = e2k_properties_new ();
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e2k_properties_set_string (props, E2K_PR_EXCHANGE_MESSAGE_CLASS,
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g_strdup ("IPM.Post"));
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e2k_properties_set_int (props, PR_FREEBUSY_START_RANGE, fb->start);
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e2k_properties_set_int (props, PR_FREEBUSY_END_RANGE, fb->end);
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e2k_properties_set_string (props, PR_FREEBUSY_EMAIL_ADDRESS,
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add_events (fb->events[E2K_BUSYSTATUS_ALL], props,
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PR_FREEBUSY_ALL_MONTHS, PR_FREEBUSY_ALL_EVENTS);
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add_events (fb->events[E2K_BUSYSTATUS_TENTATIVE], props,
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PR_FREEBUSY_TENTATIVE_MONTHS, PR_FREEBUSY_TENTATIVE_EVENTS);
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add_events (fb->events[E2K_BUSYSTATUS_BUSY], props,
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PR_FREEBUSY_BUSY_MONTHS, PR_FREEBUSY_BUSY_EVENTS);
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add_events (fb->events[E2K_BUSYSTATUS_OOF], props,
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PR_FREEBUSY_OOF_MONTHS, PR_FREEBUSY_OOF_EVENTS);
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timestamp = e2k_make_timestamp (e2k_context_get_last_timestamp (fb->ctx));
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e2k_properties_set_date (props, PR_FREEBUSY_LAST_MODIFIED, timestamp);
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status = e2k_context_proppatch (fb->ctx, NULL, fb->uri, props,
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e2k_properties_free (props);
added
removed
servers/exchange/lib/e2k-freebusy.c
