static void get_changes(void *userdata, OSyncPluginInfo *info, OSyncContext *ctx)
{
osync_trace(TRACE_ENTRY, "%s(%p, %p, %p)", __func__, userdata, info, ctx);
//plugin_environment *env = (plugin_environment *)userdata;
OSyncFormatEnv *formatenv = osync_plugin_info_get_format_env(info);
OSyncObjTypeSink *sink = osync_plugin_info_get_sink(info);
sink_environment *sinkenv = osync_objtype_sink_get_userdata(sink);
OSyncError *error = NULL;
//If you use opensync hashtables you can detect if you need
//to do a slow-sync and set this on the hastable directly
//otherwise you have to make 2 function like "get_changes" and
//"get_all" and decide which to use using
//osync_objtype_sink_get_slow_sync
if (osync_objtype_sink_get_slowsync(sinkenv->sink)) {
osync_trace(TRACE_INTERNAL, "Slow sync requested");
if (osync_hashtable_slowsync(sinkenv->hashtable, &error)) {
osync_context_report_osyncerror(ctx, error);
osync_trace(TRACE_EXIT_ERROR, "%s: %s", __func__, osync_error_print(&error));
osync_error_unref(&error);
return;
}
}
/*
* Now you can get the changes.
* Loop over all changes you get and do the following:
*/
do {
char *hash = osync_strdup("<the calculated hash of the object>");
char *uid = osync_strdup("<some uid>");
//Now get the data of this change
char *data = NULL;
//Make the new change to report
OSyncChange *change = osync_change_new(&error);
if (!change) {
osync_context_report_osyncwarning(ctx, error);
osync_error_unref(&error);
continue;
}
//Now set the uid of the object
osync_change_set_uid(change, uid);
osync_change_set_hash(change, hash);
OSyncChangeType changetype = osync_hashtable_get_changetype(sinkenv->hashtable, change);
osync_change_set_changetype(change, changetype);
// Update entry.
// Set the hash of the object (optional, only required if you use hashtabled)
osync_hashtable_update_change(sinkenv->hashtable, change);
if (changetype == OSYNC_CHANGE_TYPE_UNMODIFIED) {
osync_free(hash);
osync_free(uid);
osync_change_unref(change);
continue;
}
osync_free(hash);
osync_free(uid);
OSyncObjFormat *format = osync_format_env_find_objformat(formatenv, "<objformat>");
OSyncData *odata = osync_data_new(data, 0, format, &error);
if (!odata) {
osync_change_unref(change);
osync_context_report_osyncwarning(ctx, error);
osync_error_unref(&error);
continue;
}
osync_data_set_objtype(odata, osync_objtype_sink_get_name(sinkenv->sink));
//Now you can set the data for the object
osync_change_set_data(change, odata);
osync_data_unref(odata);
// just report the change via
osync_context_report_change(ctx, change);
osync_change_unref(change);
osync_free(uid);
} while(0);
//When you are done looping and if you are using hashtables
//check for deleted entries ... via hashtable
OSyncList *u, *uids = osync_hashtable_get_deleted(sinkenv->hashtable);
for (u = uids; u; u = u->next) {
OSyncChange *change = osync_change_new(&error);
if (!change) {
osync_context_report_osyncwarning(ctx, error);
osync_error_unref(&error);
continue;
}
const char *uid = u->data;
osync_change_set_uid(change, uid);
osync_change_set_changetype(change, OSYNC_CHANGE_TYPE_DELETED);
OSyncObjFormat *format = osync_format_env_find_objformat(formatenv, "<objformat>");
OSyncData *odata = osync_data_new(NULL, 0, format, &error);
if (!odata) {
osync_change_unref(change);
osync_context_report_osyncwarning(ctx, error);
osync_error_unref(&error);
continue;
}
osync_data_set_objtype(odata, osync_objtype_sink_get_name(sinkenv->sink));
osync_change_set_data(change, odata);
osync_data_unref(odata);
osync_context_report_change(ctx, change);
osync_hashtable_update_change(sinkenv->hashtable, change);
osync_change_unref(change);
}
osync_list_free(uids);
//Now we need to answer the call
osync_context_report_success(ctx);
osync_trace(TRACE_EXIT, "%s", __func__);
}
void claws_mail_event_get_changes(void *userdata, OSyncPluginInfo *info,
OSyncContext *ctx)
{
int ii;
char **uids;
char *vevent;
osync_trace(TRACE_ENTRY, "%s(%p, %p, %p)", __func__, userdata, info, ctx);
OSyncObjTypeSink *sink = osync_plugin_info_get_sink(info);
ClawsMailSinkEnv *sinkenv = osync_objtype_sink_get_userdata(sink);
OSyncError *error = NULL;
osync_hashtable_reset_reports(sinkenv->hashtable);
/* check for slowsync and prepare the "event" hashtable if needed */
if(osync_objtype_sink_get_slowsync(sinkenv->sink)) {
osync_trace(TRACE_INTERNAL, "Slow sync requested");
if(!osync_hashtable_slowsync(sinkenv->hashtable, &error)) {
osync_context_report_osyncerror(ctx, error);
osync_trace(TRACE_EXIT_ERROR, "%s - %s", __func__,
osync_error_print(&error));
osync_error_unref(&error);
return;
}
}
/* While getting all events, one at a time */
while((vevent = claws_mail_connect_get_events()) != NULL) {
gchar *uid;
gchar *hash;
char *data;
OSyncChangeType changetype;
OSyncChange *change;
OSyncData *odata;
hash = event_hash(vevent);
uid = get_uid_from_event(vevent);
/* Now get the data of this change */
data = vevent;
/* Report every entry .. every unreported entry got deleted. */
osync_trace(TRACE_INTERNAL, "hhb: Report: %s",uid);
osync_hashtable_report(sinkenv->hashtable, uid);
changetype = osync_hashtable_get_changetype(sinkenv->hashtable, uid, hash);
if (changetype == OSYNC_CHANGE_TYPE_UNMODIFIED) {
g_free(hash);
g_free(uid);
continue;
}
/* Set the hash of the object */
osync_hashtable_update_hash(sinkenv->hashtable, changetype, uid, hash);
/* Make the new change to report */
change = osync_change_new(&error);
if(!change) {
osync_context_report_osyncwarning(ctx, error);
osync_error_unref(&error);
g_free(uid);
g_free(hash);
continue;
}
/* Now set the uid of the object */
osync_change_set_uid(change, uid);
osync_change_set_hash(change, hash);
osync_change_set_changetype(change, changetype);
g_free(hash);
g_free(uid);
odata = osync_data_new(data, strlen(data), sinkenv->objformat, &error);
if (!odata) {
osync_change_unref(change);
osync_context_report_osyncwarning(ctx, error);
osync_error_unref(&error);
continue;
}
osync_data_set_objtype(odata, osync_objtype_sink_get_name(sinkenv->sink));
/* Set the data for the object */
osync_change_set_data(change, odata);
osync_data_unref(odata);
/* Report the change */
osync_context_report_change(ctx, change);
osync_change_unref(change);
}
/* Check for deleted entries */
uids = osync_hashtable_get_deleted(sinkenv->hashtable);
for (ii=0; uids[ii]; ii++) {
OSyncData *odata;
OSyncChange *change = osync_change_new(&error);
if (!change) {
g_free(uids[ii]);
osync_context_report_osyncwarning(ctx, error);
osync_error_unref(&error);
continue;
}
osync_change_set_uid(change, uids[ii]);
osync_change_set_changetype(change, OSYNC_CHANGE_TYPE_DELETED);
odata = osync_data_new(NULL, 0, sinkenv->objformat, &error);
if (!odata) {
g_free(uids[ii]);
osync_change_unref(change);
osync_context_report_osyncwarning(ctx, error);
osync_error_unref(&error);
continue;
}
osync_data_set_objtype(odata, osync_objtype_sink_get_name(sinkenv->sink));
osync_change_set_data(change, odata);
osync_data_unref(odata);
osync_context_report_change(ctx, change);
osync_hashtable_update_hash(sinkenv->hashtable,
osync_change_get_changetype(change), osync_change_get_uid(change),
NULL);
osync_change_unref(change);
g_free(uids[ii]);
}
g_free(uids);
osync_context_report_success(ctx);
osync_trace(TRACE_EXIT, "%s", __func__);
}
