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122 lines
3.2 KiB
C
122 lines
3.2 KiB
C
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* vim:set expandtab ts=4 shiftwidth=4: */
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/*
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* Copyright (C) 2008 Sun Microsystems, Inc. All rights reserved.
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* Use is subject to license terms.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library 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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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General
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* Public License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place, Suite 330,
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* Boston, MA 02111-1307, USA.
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*
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* Authors: Lin Ma <lin.ma@sun.com>
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*/
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#include "config.h"
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#include <glib.h>
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#include "fen-data.h"
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#include "fen-missing.h"
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G_LOCK_EXTERN (fen_lock);
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#define SCAN_MISSING_INTERVAL 4000 /* in milliseconds */
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#ifdef GIO_COMPILATION
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#define FM_W if (fm_debug_enabled) g_warning
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gboolean fm_debug_enabled = FALSE;
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#else
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#include "gam_error.h"
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#define FM_W(...) GAM_DEBUG(DEBUG_INFO, __VA_ARGS__)
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#endif
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/* global data structure for scan missing files */
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static GList *missing_list = NULL;
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static guint scan_missing_source_id = 0;
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static gboolean scan_missing_list (gpointer data);
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static gboolean
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scan_missing_list (gpointer data)
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{
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GList *existing_list = NULL;
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GList *idx = NULL;
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fdata *f;
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gboolean ret = TRUE;
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G_LOCK (fen_lock);
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for (idx = missing_list; idx; idx = idx->next) {
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f = (fdata*)idx->data;
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if (_port_add (&f->fobj, &f->len, f)) {
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/* TODO - emit CREATE event */
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_fdata_emit_events (f, FN_EVENT_CREATED);
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existing_list = g_list_prepend (existing_list, idx);
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}
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}
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for (idx = existing_list; idx; idx = idx->next) {
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missing_list = g_list_remove_link (missing_list, (GList *)idx->data);
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g_list_free_1 ((GList *)idx->data);
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}
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g_list_free (existing_list);
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if (missing_list == NULL) {
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scan_missing_source_id = 0;
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ret = FALSE;
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}
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G_UNLOCK (fen_lock);
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return ret;
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}
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/**
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* missing_add
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*
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* Unsafe, need lock fen_lock.
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*/
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void
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_missing_add (fdata *f)
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{
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GList *idx;
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g_assert (!_is_ported (f));
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if (g_list_find (missing_list, f) != NULL) {
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FM_W ("%s is ALREADY added %s\n", __func__, FN_NAME(f));
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return;
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}
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FM_W ("%s is added %s\n", __func__, FN_NAME(f));
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missing_list = g_list_prepend (missing_list, f);
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/* if doesn't scan, then start */
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if (scan_missing_source_id == 0) {
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scan_missing_source_id = g_timeout_add (SCAN_MISSING_INTERVAL,
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scan_missing_list,
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NULL);
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g_assert (scan_missing_source_id > 0);
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}
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}
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/**
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* missing_remove
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*
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* Unsafe, need lock fen_lock.
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*/
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void
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_missing_remove (fdata *f)
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{
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FM_W ("%s %s\n", __func__, FN_NAME(f));
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missing_list = g_list_remove (missing_list, f);
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}
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