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105 lines
3.5 KiB
C
105 lines
3.5 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, 2010 Oracle and/or its affiliates, Inc. All rights
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* reserved.
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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 <port.h>
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#include <gio/gio.h>
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#ifndef _FEN_NODE_H_
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#define _FEN_NODE_H_
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#ifdef GIO_COMPILATION
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#define FN_EVENT_CREATED G_FILE_MONITOR_EVENT_CREATED
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#else
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#define FN_EVENT_CREATED GAMIN_EVENT_CREATED
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#endif
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#define NODE_STATE_NONE 0x00000000
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#define NODE_STATE_ASSOCIATED 0x00000001 /* This is a confilct to NODE_FLAG_STAT_DONE */
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#define NODE_STATE_HAS_EVENTS 0x00000002
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#define NODE_FLAG_NONE 0x00000000
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#define NODE_FLAG_SNAPSHOT_UPDATED 0x00000001
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#define NODE_FLAG_DIR 0x00000002
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#define NODE_FLAG_STAT_UPDATED 0x00000004
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#define NODE_CLE_STATE(f, st) (f->state &= ~(st))
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#define NODE_SET_STATE(f, st) (f->state = ((f->state & ~(st)) | (st)))
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#define NODE_HAS_STATE(f, st) (f->state & (st))
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#define NODE_CLE_FLAG(f, fl) (f->flag &= ~(fl))
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#define NODE_SET_FLAG(f, fl) (f->flag = ((f->flag & ~(fl)) | (fl)))
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#define NODE_HAS_FLAG(f, fl) (f->flag & (fl))
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typedef struct node node_t;
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struct node
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{
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file_obj_t fobj; /* Inherit from file_obj_t, must be the first. */
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GSource *source;
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gchar *basename;
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guint32 state;
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guint32 flag;
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GTimeVal atv; /* Timestamp for the first added sub. */
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/* the parent and children of node */
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node_t *parent;
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GHashTable *children; /* children in basename */
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/* List of subscriptions monitoring this fdata/path */
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GList *subs;
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GList *dir_subs;
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#ifdef GIO_COMPILATION
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GFile* gfile;
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#endif
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};
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#define FILE_OBJECT(f) ((file_obj_t *)(f))
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#define NODE_NAME(f) (FILE_OBJECT(f)->fo_name)
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#define NODE_PARENT(f) (((node_t *)f)->parent)
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#define NODE_IS_ACTIVE(f) (f->dir_subs || f->subs)
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#define NODE_IS_REQUIRED_BY_PARENT(f) (NODE_PARENT(f) && NODE_PARENT(f)->dir_subs)
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gboolean node_timeval_lt(const GTimeVal *val1, const GTimeVal *val2);
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gboolean node_try_delete(node_t* node);
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void node_traverse(node_t* node, void(*traverse_cb)(node_t*, gpointer), gpointer user_data);
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node_t* node_find(node_t* node, const gchar* filename, gboolean create_on_missing);
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gint node_lstat(node_t *f);
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void node_create_children_snapshot(node_t *f, gint created_event, gboolean emit);
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void node_adjust_deleted(node_t *f);
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gboolean node_class_init();
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typedef struct node_event
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{
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int e;
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gpointer user_data;
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gpointer pair_data;
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GTimeVal ctv; /* Created timestamp */
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GTimeVal rename_tv; /* Possible rename timestamp */
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} node_event_t;
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node_event_t* node_event_new (int event, gpointer user_data);
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void node_event_delete (node_event_t* ev);
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#endif /* _FEN_NODE_H_ */
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