static void sync_done(void *userdata, OSyncPluginInfo *info, OSyncContext *ctx)
{
/*
* This function will only be called if the sync was successful
*/
OSyncError *error = NULL;
OSyncObjTypeSink *sink = osync_plugin_info_get_sink(info);
sink_environment *sinkenv = osync_objtype_sink_get_userdata(sink);
//If we use anchors we have to update it now.
//Now you get/calculate the current anchor of the device
char *lanchor = NULL;
char *anchorpath = osync_strdup_printf("%s/anchor.db", osync_plugin_info_get_configdir(info));
osync_anchor_update(anchorpath, "lanchor", lanchor);
osync_free(anchorpath);
//Save hashtable to database
if (!osync_hashtable_save(sinkenv->hashtable, &error))
goto error;
//Answer the call
osync_context_report_success(ctx);
return;
error:
osync_context_report_osyncerror(ctx, error);
osync_error_unref(&error);
return;
}
static void connect(void *userdata, OSyncPluginInfo *info, OSyncContext *ctx)
{
osync_trace(TRACE_ENTRY, "%s(%p, %p, %p)", __func__, userdata, info, ctx);
//Each time you get passed a context (which is used to track
//calls to your plugin) you can get the data your returned in
//initialize via this call:
// plugin_environment *env = (plugin_environment *)userdata;
//The sink specific userdata you can get with this calls:
OSyncObjTypeSink *sink = osync_plugin_info_get_sink(info);
sink_environment *sinkenv = osync_objtype_sink_get_userdata(sink);
OSyncError *error = NULL;
/*
* Now connect to your devices and report
*
* an error via:
* osync_context_report_error(ctx, ERROR_CODE, "Some message");
*
* or success via:
* osync_context_report_success(ctx);
*
* You have to use one of these 2 somewhere to answer the context.
*
*/
//If you need a hashtable you make it here
char *tablepath = osync_strdup_printf("%s/hashtable.db", osync_plugin_info_get_configdir(info));
sinkenv->hashtable = osync_hashtable_new(tablepath, osync_objtype_sink_get_name(sink), &error);
osync_free(tablepath);
if (!sinkenv->hashtable)
goto error;
//you can also use the anchor system to detect a device reset
//or some parameter change here. Check the docs to see how it works
char *lanchor = NULL;
//Now you get the last stored anchor from the device
char *anchorpath = osync_strdup_printf("%s/anchor.db", osync_plugin_info_get_configdir(info));
if (!osync_anchor_compare(anchorpath, "lanchor", lanchor))
osync_objtype_sink_set_slowsync(sink, TRUE);
osync_free(anchorpath);
osync_context_report_success(ctx);
osync_trace(TRACE_EXIT, "%s", __func__);
return;
error:
osync_context_report_osyncerror(ctx, error);
osync_trace(TRACE_EXIT_ERROR, "%s: %s", __func__, osync_error_print(&error));
osync_error_unref(&error);
}
static void disconnect(void *userdata, OSyncPluginInfo *info, OSyncContext *ctx)
{
OSyncObjTypeSink *sink = osync_plugin_info_get_sink(info);
sink_environment *sinkenv = osync_objtype_sink_get_userdata(sink);
//Close all stuff you need to close
//Close the hashtable
osync_hashtable_unref(sinkenv->hashtable);
sinkenv->hashtable = NULL;
//Answer the call
osync_context_report_success(ctx);
}
static void commit_change(void *userdata, OSyncPluginInfo *info, OSyncContext *ctx, OSyncChange *change)
{
//plugin_environment *env = (plugin_environment *)userdata;
OSyncObjTypeSink *sink = osync_plugin_info_get_sink(info);
sink_environment *sinkenv = osync_objtype_sink_get_userdata(sink);
/*
* Here you have to add, modify or delete a object
*
*/
switch (osync_change_get_changetype(change)) {
case OSYNC_CHANGE_TYPE_DELETED:
//Delete the change
//Dont forget to answer the call on error
break;
case OSYNC_CHANGE_TYPE_ADDED:
//Add the change
//Dont forget to answer the call on error
osync_change_set_hash(change, "new hash");
break;
case OSYNC_CHANGE_TYPE_MODIFIED:
//Modify the change
//Dont forget to answer the call on error
osync_change_set_hash(change, "new hash");
break;
default:
;
}
//If you are using hashtables you have to calculate the hash here:
osync_hashtable_update_change(sinkenv->hashtable, change);
//Answer the call
osync_context_report_success(ctx);
}
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__);
}
void claws_mail_event_commit_change(void *userdata, OSyncPluginInfo *info,
OSyncContext *ctx, OSyncChange *change)
{
gboolean retVal;
gchar *vevent;
char *uid;
char *hash;
char *new_event = NULL;
OSyncError *error = NULL;
osync_trace(TRACE_ENTRY, "%s(%p, %p, %p, %p)",
__func__, userdata, info, ctx, change);
OSyncObjTypeSink *sink = osync_plugin_info_get_sink(info);
ClawsMailSinkEnv *sinkenv = osync_objtype_sink_get_userdata(sink);
osync_data_get_data(osync_change_get_data(change), &vevent, NULL);
switch (osync_change_get_changetype(change)) {
case OSYNC_CHANGE_TYPE_DELETED:
retVal = claws_mail_connect_delete_event(osync_change_get_uid(change));
if(!retVal) {
osync_error_set(&error, OSYNC_ERROR_GENERIC,
"Unable to delete event.");
goto error;
}
break;
case OSYNC_CHANGE_TYPE_ADDED:
if((new_event = claws_mail_connect_add_event(vevent)) == NULL) {
osync_error_set(&error, OSYNC_ERROR_GENERIC, "Unable to write event.");
goto error;
}
/* generate and set hash of entry */
hash = event_hash(new_event);
osync_change_set_hash(change, hash);
g_free(hash);
g_free(new_event);
break;
case OSYNC_CHANGE_TYPE_MODIFIED:
uid = (gchar*) osync_change_get_uid(change);
new_event = claws_mail_connect_modify_event(uid,vevent);
if(!new_event) {
osync_error_set(&error, OSYNC_ERROR_GENERIC,
"Unable to modify event.");
goto error;
}
hash = event_hash(new_event);
osync_change_set_hash(change, hash);
g_free(hash);
g_free(new_event);
break;
default:
osync_trace(TRACE_INTERNAL, "Unknown change type");
break;
}
/* Calculate the hash */
osync_hashtable_update_hash(sinkenv->hashtable,
osync_change_get_changetype(change),
osync_change_get_uid(change),
osync_change_get_hash(change));
/* Answer the call */
osync_context_report_success(ctx);
osync_trace(TRACE_EXIT, "%s", __func__);
return;
error:
osync_context_report_osyncerror(ctx, error);
osync_trace(TRACE_EXIT_ERROR, "%s: %s", __func__, osync_error_print(&error));
osync_error_unref(&error);
}
