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fen: remove Solaris file monitor support

Browse Source 
This code is unmaintained and we have no way to port it to the new file
monitoring API.
This commit is contained in:
Ryan Lortie
2015-01-16 20:25:38 -05:00
parent 641b98ce6b
commit 21ab660cf8
15 changed files with 0 additions and 2100 deletions
Download Patch File Download Diff File Expand all files Collapse all files

17
configure.ac
View File

@@ -1677,22 +1677,6 @@ AC_CHECK_HEADERS([sys/event.h],
AM_CONDITIONAL(HAVE_KQUEUE, [test "$kqueue_support" = "yes"])
dnl *********************************
dnl ** Check for Solaris FEN (GIO) **
dnl *********************************
fen_support=no
AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
#include <port.h>
#ifndef PORT_SOURCE_FILE
#error "Please upgrade to Nevada 72 or above to suppoert FEN"
#endif
int main() { return 0; } ]])],
[
fen_support=yes
],)
AM_CONDITIONAL(HAVE_FEN, [test "$fen_support" = "yes"])
dnl ****************************
dnl *** Checks for FAM (GIO) ***
dnl ****************************
@@ -3616,7 +3600,6 @@ gio/gnetworking.h
gio/xdgmime/Makefile
gio/inotify/Makefile
gio/kqueue/Makefile
gio/fen/Makefile
gio/fam/Makefile
gio/win32/Makefile
gio/tests/Makefile

7
gio/Makefile.am
View File

@@ -227,13 +227,6 @@ platform_libadd += kqueue/libkqueue.la
platform_deps += kqueue/libkqueue.la
endif
if HAVE_FEN
AM_CPPFLAGS += -DHAVE_FEN
SUBDIRS += fen
platform_libadd += fen/libfen.la
platform_deps += fen/libfen.la
endif
if OS_WIN32
SUBDIRS += win32
platform_libadd += win32/libgiowin32.la

27
gio/fen/Makefile.am
View File

@@ -1,27 +0,0 @@
include $(top_srcdir)/glib.mk
noinst_LTLIBRARIES += libfen.la
libfen_la_SOURCES = \
fen-dump.c \
fen-dump.h \
fen-kernel.c \
fen-kernel.h \
fen-node.c \
fen-node.h \
fen-helper.c \
fen-helper.h \
gfenfilemonitor.c \
gfenfilemonitor.h \
gfendirectorymonitor.c \
gfendirectorymonitor.h \
$(NULL)
libfen_la_CFLAGS = \
$(GLIB_HIDDEN_VISIBILITY_CFLAGS) \
-DG_LOG_DOMAIN=\"GLib-GIO\" \
$(gio_INCLUDES) \
$(GLIB_DEBUG_FLAGS) \
-DGIO_MODULE_DIR=\"$(GIO_MODULE_DIR)\" \
-DGIO_COMPILATION \
-DG_DISABLE_DEPRECATED

74
gio/fen/fen-dump.c
View File

@@ -1,74 +0,0 @@
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* vim:set expandtab ts=4 shiftwidth=4: */
/*
* Copyright (c) 2008, 2010 Oracle and/or its affiliates, Inc. All rights
* reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General
* Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
*
* Authors: Lin Ma <lin.ma@sun.com>
*/
#include "config.h"
#include <glib.h>
#include <glib/gprintf.h>
#include "fen-node.h"
#include "fen-dump.h"
G_LOCK_EXTERN (fen_lock);
/*-------------------- node ------------------*/
static void
dump_node (node_t* node, gpointer data)
{
g_printf ("n:0x%p ds:0x%p s:0x%p %s\n", node, node->dir_subs, node->subs, NODE_NAME(node));
}
static void
dump_tree (node_t* node)
{
if (G_TRYLOCK (fen_lock)) {
node_traverse(NULL, dump_node, NULL);
G_UNLOCK (fen_lock);
}
}
/* ------------------ fdata port hash --------------------*/
void
dump_hash_cb (gpointer key,
gpointer value,
gpointer user_data)
{
g_printf ("k:0x%p v:0x%p >\n", key, value);
}
gboolean
dump_hash (GHashTable* hash, gpointer user_data)
{
if (G_TRYLOCK (fen_lock)) {
if (g_hash_table_size (hash) > 0) {
g_hash_table_foreach (hash, dump_hash_cb, user_data);
}
G_UNLOCK (fen_lock);
}
return TRUE;
}
/* ------------------ event --------------------*/
void
dump_event (node_event_t* ev, gpointer user_data)
{
node_t* node = ev->user_data;
g_printf ("ne:0x%p e:%p n:0x%p ds:0x%p s:0x%p s\n", ev, ev->e, node, node->dir_subs, node->subs, NODE_NAME(node));
}

27
gio/fen/fen-dump.h
View File

@@ -1,27 +0,0 @@
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* vim:set expandtab ts=4 shiftwidth=4: */
/*
* Copyright (c) 2008, 2010 Oracle and/or its affiliates, Inc. All rights
* reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General
* Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
*
* Authors: Lin Ma <lin.ma@sun.com>
*/
#ifndef _FEN_DUMP_H_
#define _FEN_DUMP_H_
#endif /* _FEN_DUMP_H_ */

193
gio/fen/fen-helper.c
View File

@@ -1,193 +0,0 @@
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* vim:set expandtab ts=4 shiftwidth=4: */
/*
* Copyright (c) 2008, 2010 Oracle and/or its affiliates, Inc. All rights
* reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General
* Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
*
* Authors: Lin Ma <lin.ma@sun.com>
*/
#include "config.h"
#include <glib.h>
#include "fen-helper.h"
#include "fen-kernel.h"
#ifdef GIO_COMPILATION
#include <gio/gfilemonitor.h>
#else
#include "gam_event.h"
#include "gam_server.h"
#include "gam_protocol.h"
#endif
#ifdef GIO_COMPILATION
#define FH_W if (FALSE) g_debug
#else
#include "gam_error.h"
#define FH_W(...) GAM_DEBUG(DEBUG_INFO, __VA_ARGS__)
#endif
G_LOCK_EXTERN (fen_lock);
/* misc */
static void
scan_children_init(node_t *f, gpointer sub)
{
gboolean emit;
gint event;
FH_W ("%s %s [0x%p]\n", __func__, NODE_NAME(f), f);
#ifdef GIO_COMPILATION
emit = FALSE;
event = G_FILE_MONITOR_EVENT_CREATED;
#else
emit = TRUE;
event = GAMIN_EVENT_EXISTS;
#endif
if (!NODE_HAS_FLAG(f, NODE_FLAG_SNAPSHOT_UPDATED)) {
/* TODO snapshot should also compare to the sub created timestamp. */
/* GIO initially doesn't emit created/existed events. */
node_create_children_snapshot(f, event, emit);
} else {
GHashTableIter iter;
gpointer value;
g_hash_table_iter_init (&iter, f->children);
while (g_hash_table_iter_next (&iter, NULL, &value)) {
node_t *child = (node_t *)value;
#ifdef GIO_COMPILATION
/* GIO initially doesn't emit created/existed events. */
/* g_file_monitor_emit_event(G_FILE_MONITOR(sub), child->gfile, NULL, event); */
#else
gam_server_emit_one_event(NODE_NAME(child), gam_subscription_is_dir(sub), event, sub, 1);
#endif
}
}
}
/**
* fen_add
*
* Won't hold a ref, we have a timout callback to clean unused node_t.
* If there is no value for a key, add it and return it; else return the old
* one.
*/
void
fen_add (const gchar *filename, gpointer sub, gboolean is_mondir)
{
node_t* f;
g_assert (filename);
g_assert (sub);
G_LOCK (fen_lock);
f = node_find(NULL, filename, TRUE);
FH_W ("%s 0x%p sub[0x%p] %s\n", __func__, f, sub, filename);
g_assert (f);
/* Update timestamp, the events in global queue will compare itself to this
* timestamp to decide if be emitted. TODO, timestamp should be per sub.
*/
if (!NODE_IS_ACTIVE(f)) {
g_get_current_time(&f->atv);
}
if (is_mondir) {
f->dir_subs = g_list_prepend(f->dir_subs, sub);
} else {
f->subs = g_list_prepend(f->subs, sub);
}
if (NODE_HAS_STATE(f, NODE_STATE_ASSOCIATED) ||
(node_lstat(f) == 0 && port_add(f) == 0)) {
#ifndef GIO_COMPILATION
gam_server_emit_one_event (NODE_NAME(f),
gam_subscription_is_dir (sub), GAMIN_EVENT_EXISTS, sub, 1);
#endif
if (is_mondir) {
scan_children_init (f, sub);
}
} else {
#ifndef GIO_COMPILATION
gam_server_emit_one_event (NODE_NAME(f),
gam_subscription_is_dir (sub), GAMIN_EVENT_DELETED, sub, 1);
#endif
node_adjust_deleted (f);
}
#ifndef GIO_COMPILATION
gam_server_emit_one_event (NODE_NAME(f),
gam_subscription_is_dir (sub), GAMIN_EVENT_ENDEXISTS, sub, 1);
#endif
G_UNLOCK (fen_lock);
}
void
fen_remove (const gchar *filename, gpointer sub, gboolean is_mondir)
{
node_t* f;
g_assert (filename);
g_assert (sub);
G_LOCK (fen_lock);
f = node_find(NULL, filename, FALSE);
FH_W ("%s 0x%p sub[0x%p] %s\n", __func__, f, sub, filename);
if (f) {
if (is_mondir) {
f->dir_subs = g_list_remove(f->dir_subs, sub);
} else {
f->subs = g_list_remove(f->subs, sub);
}
if (!NODE_IS_ACTIVE(f)) {
node_try_delete (f);
}
}
G_UNLOCK (fen_lock);
}
/**
* fen_init:
*
* FEN subsystem initializing.
*/
gboolean
fen_init ()
{
static gboolean initialized = FALSE;
static gboolean result = FALSE;
G_LOCK (fen_lock);
if (initialized) {
G_UNLOCK (fen_lock);
return result;
}
result = node_class_init();
if (!result) {
G_UNLOCK (fen_lock);
return result;
}
initialized = TRUE;
G_UNLOCK (fen_lock);
return result;
}

31
gio/fen/fen-helper.h
View File

@@ -1,31 +0,0 @@
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* vim:set expandtab ts=4 shiftwidth=4: */
/*
* Copyright (c) 2008, 2010 Oracle and/or its affiliates, Inc. All rights
* reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General
* Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
*
* Authors: Lin Ma <lin.ma@sun.com>
*/
#ifndef _FEN_HELPER_H_
#define _FEN_HELPER_H_
void fen_add (const gchar *filename, gpointer sub, gboolean is_mondir);
void fen_remove (const gchar *filename, gpointer sub, gboolean is_mondir);
gboolean fen_init ();
#endif /* _FEN_HELPER_H_ */

550
gio/fen/fen-kernel.c
View File

@@ -1,550 +0,0 @@
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* vim:set expandtab ts=4 shiftwidth=4: */
/*
* Copyright (c) 2008, 2010 Oracle and/or its affiliates, Inc. All rights
* reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General
* Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
*
* Authors: Lin Ma <lin.ma@sun.com>
*/
#include "config.h"
#include <rctl.h>
#include <strings.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <glib.h>
#include "fen-kernel.h"
#include "fen-dump.h"
#ifdef GIO_COMPILATION
#define FK_W if (FALSE) g_debug
#else
#include "gam_error.h"
#define FK_W(...) GAM_DEBUG(DEBUG_INFO, __VA_ARGS__)
#endif
G_LOCK_DEFINE (fen_lock);
static ulong max_port_events = 512;
static GList *pn_visible_list; /* the queue of ports which don't have the max objs */
static GQueue *g_eventq = NULL;
static timespec_t zero_wait;
static void (*user_process_events_cb) (gpointer, node_event_t*);
static port_event_t *pevents = NULL;
static gint PE_ALLOC = 2048;
static GHashTable *renamed_hash = NULL; /* <parent node, ev> */
typedef struct _PSource {
GSource source; /* Inherit from GSource, must be the first. */
GPollFD gfd;
gboolean pending;
uint_t event_growing_factor;
uint_t pending_events;
} PSource;
#define PGPFD(s) (&((PSource *)(s))->gfd)
#define SLEEP_BASE_TIME 10 /* in milliseconds */
#define EXPECT_INC_EVENTS(pn) (1 << (pn->event_growing_factor))
#define RENAME_EVENTS_INTERVAL 500 /* in milliseconds */
#define PROCESS_PORT_EVENTS_TIME 1000 /* in milliseconds */
guint process_port_event_id = 0;
static gchar* _event_strings(int event);
static const gchar* _event_string (int event);
static GSource *psource_new();
static gboolean port_prepare(GSource *source, gint *timeout_);
static gboolean port_check(GSource *source);
static gboolean port_dispatch(GSource *source, GSourceFunc callback, gpointer user_data);
static GSourceFuncs fen_source_func = {
port_prepare,
port_check,
port_dispatch,
NULL
};
static gboolean
port_prepare(GSource *source, gint *timeout_)
{
return FALSE;
}
static gboolean
port_check(GSource *source)
{
PSource *pn = (PSource *)source;
uint_t nget;
if (pn->pending) {
pn->pending = FALSE;
g_source_add_poll(source, PGPFD(source));
g_source_unref(source);
return FALSE;
}
if (!(PGPFD(pn)->revents & G_IO_IN))
return FALSE;
if (port_getn(PGPFD(source)->fd, NULL, 0, &nget, 0) == 0) {
if (nget - pn->pending_events > EXPECT_INC_EVENTS(pn)) {
/* Sleep for a while. */
pn->pending_events = nget;
pn->event_growing_factor ++;
pn->pending = TRUE;
g_source_ref(source);
g_source_remove_poll(source, PGPFD(source));
g_timeout_add(SLEEP_BASE_TIME,
(GSourceFunc)port_check,
(gpointer)pn);
return FALSE;
}
}
pn->pending_events = 0;
pn->event_growing_factor = 0;
return TRUE;
}
static gboolean
port_dispatch(GSource *source, GSourceFunc callback, gpointer user_data)
{
node_t *f;
uint_t nget = 0;
uint_t total = 0;
FK_W ("%s 0x%p fd %d\n", __func__, source, PGPFD(source)->fd);
G_LOCK (fen_lock);
do {
nget = 1;
if (port_getn(PGPFD(source)->fd, pevents, PE_ALLOC, &nget, &zero_wait) == 0) {
int i;
for (i = 0; i < nget; i++) {
f = (node_t *)pevents[i].portev_user;
if (pevents[i].portev_source == PORT_SOURCE_FILE) {
NODE_CLE_STATE(f, NODE_STATE_ASSOCIATED);
NODE_SET_STATE(f, NODE_STATE_HAS_EVENTS);
if (HAS_NO_EXCEPTION_EVENTS(pevents[i].portev_events)) {
/* If the events do not show it's deleted, update
* file timestamp to avoid missing events next time.
*/
if (node_lstat(f) != 0 /* || port_add(f) != 0 */) {
/* Included deleted event. */
pevents[i].portev_events |= FILE_DELETE;
}
}
/* Queue it and waiting for processing. */
g_queue_push_tail(g_eventq,
node_event_new(pevents[i].portev_events, (gpointer)f));
} else {
FK_W ("[kernel] unknown portev_source %d\n", pevents[i].portev_source);
}
}
total += nget;
} else {
FK_W ("[kernel] port_getn %s\n", g_strerror (errno));
break;
}
} while (nget == PE_ALLOC);
G_UNLOCK (fen_lock);
if (total > 0 && callback) {
FK_W ("[kernel] get total %ld events\n", total);
return callback (user_data);
}
return TRUE;
}
static gboolean
process_renamed_hash_cb(gpointer key, gpointer value, gpointer user_data)
{
node_event_t *ev = value;
#if 0
node_add_event(ev->user_data, ev);
#else
user_process_events_cb(ev->user_data, ev);
#endif
/* Always delete self from hash. */
return TRUE;
}
static gboolean
port_events_process_cb(gpointer user_data)
{
node_event_t *ev;
G_LOCK (fen_lock);
/* Processing g_eventq */
while ((ev = (node_event_t*)g_queue_pop_head (g_eventq)) != NULL) {
/* FK_W ("[%s] 0x%p %s\n", __func__, ev, _event_string (ev->e)); */
{
gchar *log = _event_strings(ev->e);
FK_W ("%s %s %s\n", __func__, NODE_NAME(ev->user_data), log);
g_free(log);
}
#ifdef GIO_COMPILATION
/* Use the parent node as a hash, because only the dir_subs in the
* parent node should receive MOVE event.
*/
if (NODE_PARENT(ev->user_data)) {
if (ev->e == FILE_RENAME_TO) {
g_hash_table_insert(renamed_hash, NODE_PARENT(ev->user_data), ev);
g_time_val_add(&ev->rename_tv, RENAME_EVENTS_INTERVAL);
continue;
}
if (ev->e == FILE_RENAME_FROM) {
node_event_t *pair_ev;
pair_ev = g_hash_table_lookup(renamed_hash, NODE_PARENT(ev->user_data));
if (pair_ev && node_timeval_lt(&ev->ctv, &pair_ev->rename_tv)) {
g_hash_table_remove(renamed_hash, NODE_PARENT(ev->user_data));
pair_ev->pair_data = ev->user_data;
/* Free ev, exchange pair_ev and ev. */
node_event_delete(ev);
ev = pair_ev;
}
}
}
#endif
#if 0
node_add_event(ev->user_data, ev);
#else
user_process_events_cb(ev->user_data, ev);
#endif
}
/* Processing the events in renamed_hash. TODO we should delay it and wait
* for more possible pair.
*/
g_hash_table_foreach_remove(renamed_hash, process_renamed_hash_cb, NULL);
G_UNLOCK (fen_lock);
process_port_event_id = 0;
return FALSE;
}
static gboolean
port_events_read_cb(gpointer user_data)
{
if (process_port_event_id == 0) {
process_port_event_id = g_timeout_add(PROCESS_PORT_EVENTS_TIME,
port_events_process_cb,
NULL);
}
return TRUE;
}
/*
* malloc PSource and port_create, start thread at pnode_ref.
* if psource_new succeeded, the PSource will never
* be freed. So PSource can be freed only in psource_new.
* Note pnode_monitor_remove_all can also free PSource, but currently no one
* invork it.
*/
static GSource*
psource_new()
{
GSource *source = NULL;
int fd;
if ((fd = port_create()) >= 0) {
source = g_source_new(&fen_source_func, sizeof(PSource));
PGPFD(source)->fd = fd;
PGPFD(source)->events = G_IO_IN | G_IO_HUP | G_IO_ERR;
g_source_set_callback(source, port_events_read_cb, NULL, NULL);
g_source_attach(source, NULL);
g_source_unref(source);
g_source_add_poll(source, PGPFD(source));
FK_W ("%s 0x%p fd %d\n", __func__, source, PGPFD(source)->fd);
} else {
FK_W ("PORT_CREATE %s\n", g_strerror(errno));
g_return_val_if_reached(NULL);
}
return source;
}
/**
* port_add:
*
* Unsafe, need lock fen_lock.
* port_add will associate a GSource to @f->source
*/
gint
port_add(node_t *f)
{
GSource *source = f->source;
FK_W ("%s [0x%p] %s\n", __func__, f, NODE_NAME(f));
g_assert(f);
g_assert(NODE_HAS_FLAG(f, NODE_FLAG_STAT_UPDATED));
/* if (!NODE_HAS_FLAG(f, NODE_FLAG_STAT_DONE)) { */
/* if (NODE_STAT(f) != 0) { */
/* return errno; */
/* } */
/* } */
/* Try re-use f->pn. f->pn may be used by other request, e.g. f is deleted
* for a long time. So if pn is full, we try to open a new one.
*/
if (!source) {
start_over:
/* Try the next visible source. */
if (pn_visible_list) {
source = (GSource *)pn_visible_list->data;
} else {
if ((source = psource_new()) != NULL) {
g_assert (g_list_find (pn_visible_list, source) == NULL);
pn_visible_list = g_list_prepend (pn_visible_list, source);
}
}
}
if (port_associate(PGPFD(source)->fd, PORT_SOURCE_FILE, (uintptr_t)FILE_OBJECT(f),
CONCERNED_EVENTS,
(void *)f) == 0) {
f->source = source;
NODE_SET_STATE(f, NODE_STATE_ASSOCIATED);
NODE_CLE_FLAG(f, NODE_FLAG_STAT_UPDATED);
FK_W ("PORT_ASSOCIATE 0x%p OK\n", f);
return 0;
} else if (errno == EAGAIN) {
/* Full, remove it. */
pn_visible_list = g_list_remove (pn_visible_list, source);
/* Re-add to port */
goto start_over;
} else if (errno == ENOENT) {
/* File is not exist */
} else if (errno == ENOTSUP) {
/* FS is not supported. Currently we think it no longer make sense to
* monitor it, so clean the stat info and return 0 to ignore this
* node. If there are requirement, we can consider to add polling
* method.
*/
NODE_CLE_FLAG(f, NODE_FLAG_STAT_UPDATED);
return 0;
} else {
FK_W ("PORT_ASSOCIATE 0x%p %s\n", f, g_strerror (errno));
}
/* No matter if associated successfully, stat info is out-of-date, so clean it. */
NODE_CLE_FLAG(f, NODE_FLAG_STAT_UPDATED);
return errno;
}
/**
* port_remove:
*
* < private >
* Unsafe, need lock fen_lock.
*/
void
port_remove (node_t *f)
{
/* g_assert(f->source); */
if (NODE_HAS_STATE(f, NODE_STATE_ASSOCIATED)) {
/* Mark unregisted. */
if (port_dissociate(PGPFD(f->source)->fd, PORT_SOURCE_FILE, (uintptr_t)FILE_OBJECT(f)) == 0) {
/*
* Note, we can run foode_delete if dissociating is failed,
* because there may be some pending events (mostly like
* FILE_DELETE) in the port_get. If we delete the foode
* the fnode may be deleted, then port_get will run on an invalid
* address.
*/
NODE_CLE_STATE(f, NODE_STATE_ASSOCIATED);
FK_W ("PORT_DISSOCIATE 0x%p OK\n", f);
} else if (errno == ENOENT) {
/* The file has been removed from port, after port_get or before
* port_get but DELETED event has been generated.
* Ignored. */
} else {
FK_W ("PORT_DISSOCIATE 0x%p %s\n", f, g_strerror (errno));
g_return_if_reached();
}
}
}
/*
* Get Solaris resouce values.
*
*/
extern gboolean
port_class_init (void (*user_process_events_callback) (gpointer, node_event_t*))
{
rctlblk_t *rblk;
if ((rblk = malloc (rctlblk_size ())) == NULL) {
FK_W ("[kernel] rblk malloc %s\n", g_strerror (errno));
return FALSE;
}
if (getrctl ("process.max-port-events", NULL, rblk, RCTL_FIRST) == -1) {
FK_W ("[kernel] getrctl %s\n", g_strerror (errno));
free (rblk);
return FALSE;
} else {
max_port_events = rctlblk_get_value(rblk);
FK_W ("max_port_events = %u\n", max_port_events);
free (rblk);
}
renamed_hash = g_hash_table_new_full(g_direct_hash, g_direct_equal,
NULL, NULL);
if (renamed_hash == NULL) {
FK_W ("[kernel] FEN global renamed queue initializing faild\n");
return FALSE;
}
if ((g_eventq = g_queue_new ()) == NULL) {
FK_W ("[kernel] FEN global event queue initializing faild\n");
return FALSE;
}
if (user_process_events_callback == NULL) {
FK_W ("[kernel] FEN global no user_process_events_callback\n");
return FALSE;
}
user_process_events_cb = user_process_events_callback;
memset (&zero_wait, 0, sizeof (timespec_t));
pevents = g_malloc(PE_ALLOC * sizeof(port_event_t));
if (pevents == NULL) {
FK_W ("[kernel] FEN global alloc pevents failed\n");
return FALSE;
}
return TRUE;
}
static gchar*
printevent (const char *pname, int event, const char *tag)
{
static gchar *event_string = NULL;
GString *str;
g_free(event_string);
str = g_string_new ("");
g_string_printf (str, "[%s] [%-20s]", tag, pname);
if (event & FILE_ACCESS) {
str = g_string_append (str, " ACCESS");
}
if (event & FILE_MODIFIED) {
str = g_string_append (str, " MODIFIED");
}
if (event & FILE_ATTRIB) {
str = g_string_append (str, " ATTRIB");
}
if (event & FILE_DELETE) {
str = g_string_append (str, " DELETE");
}
if (event & FILE_RENAME_TO) {
str = g_string_append (str, " RENAME_TO");
}
if (event & FILE_RENAME_FROM) {
str = g_string_append (str, " RENAME_FROM");
}
if (event & UNMOUNTED) {
str = g_string_append (str, " UNMOUNTED");
}
if (event & MOUNTEDOVER) {
str = g_string_append (str, " MOUNTEDOVER");
}
event_string = str->str;
g_string_free (str, FALSE);
return event_string;
}
static gchar *
_event_strings(int event)
{
GString *str = g_string_sized_new(80);
if (event & FILE_DELETE)
g_string_append(str, " FILE_DELETE");
if (event & FILE_RENAME_FROM)
g_string_append(str, " FILE_RENAME_FROM");
if (event & FILE_MODIFIED)
g_string_append(str, " FILE_MODIFIED");
if (event & FILE_RENAME_TO)
g_string_append(str, " FILE_RENAME_TO");
if (event & MOUNTEDOVER)
g_string_append(str, " MOUNTEDOVER");
if (event & FILE_ATTRIB)
g_string_append(str, " FILE_ATTRIB");
if (event & UNMOUNTED)
g_string_append(str, " UNMOUNTED");
if (event & FILE_ACCESS)
g_string_append(str, " FILE_ACCESS");
return g_string_free(str, FALSE);
}
static const gchar *
_event_string (int event)
{
switch (event) {
case FILE_DELETE:
return "FILE_DELETE";
case FILE_RENAME_FROM:
return "FILE_RENAME_FROM";
case FILE_MODIFIED:
return "FILE_MODIFIED";
case FILE_RENAME_TO:
return "FILE_RENAME_TO";
case MOUNTEDOVER:
return "MOUNTEDOVER";
case FILE_ATTRIB:
return "FILE_ATTRIB";
case UNMOUNTED:
return "UNMOUNTED";
case FILE_ACCESS:
return "FILE_ACCESS";
default:
return "EVENT_UNKNOWN";
}
}

41
gio/fen/fen-kernel.h
View File

@@ -1,41 +0,0 @@
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* vim:set expandtab ts=4 shiftwidth=4: */
/*
* Copyright (c) 2008, 2010 Oracle and/or its affiliates, Inc. All rights
* reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General
* Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
*
* Authors: Lin Ma <lin.ma@sun.com>
*/
#include <sys/types.h>
#include <errno.h>
#include "fen-node.h"
#ifndef _FEN_KERNEL_H_
#define _FEN_KERNEL_H_
#define CONCERNED_EVENTS (FILE_MODIFIED | FILE_ATTRIB | FILE_NOFOLLOW)
#define EXCEPTION_EVENTS (FILE_DELETE | FILE_RENAME_FROM)
#define HAS_EXCEPTION_EVENTS(e) ((e & EXCEPTION_EVENTS) != 0)
#define HAS_NO_EXCEPTION_EVENTS(e) ((e & EXCEPTION_EVENTS) == 0)
gint port_add (node_t* f);
void port_remove (node_t *f);
gboolean port_class_init ();
#endif /* _FEN_KERNEL_H_ */

638
gio/fen/fen-node.c
View File

@@ -1,638 +0,0 @@
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* vim:set expandtab ts=4 shiftwidth=4: */
/*
* Copyright (c) 2008, 2010 Oracle and/or its affiliates, Inc. All rights
* reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General
* Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
*
* Authors: Lin Ma <lin.ma@sun.com>
*/
#include "config.h"
#include <sys/stat.h>
#include <errno.h>
#include <strings.h>
#include <glib.h>
#include "fen-kernel.h"
#include "fen-node.h"
#include "fen-dump.h"
#ifdef GIO_COMPILATION
#include <gio/gfilemonitor.h>
#else
#include "gam_event.h"
#include "gam_server.h"
#include "gam_protocol.h"
#endif
#ifdef GIO_COMPILATION
#define FN_W if (FALSE) g_debug
#else
#include "gam_error.h"
#define FN_W(...) GAM_DEBUG(DEBUG_INFO, __VA_ARGS__)
#endif
G_LOCK_EXTERN (fen_lock);
/* Must continue monitoring if:
* 1) I'm subscribed,
* 2) The subscribed children (one of the children has subs) are missing,
* 3) my parent is subscribed (monitoring directory).
*/
#define NODE_NEED_MONITOR(f) \
(NODE_IS_ACTIVE(f) || node_children_num(f) > 0 || NODE_IS_REQUIRED_BY_PARENT(f))
static int concern_events[] = {
FILE_DELETE,
FILE_RENAME_FROM,
UNMOUNTED,
MOUNTEDOVER,
#ifdef GIO_COMPILATION
FILE_MODIFIED,
FILE_ATTRIB,
#else
FILE_MODIFIED | FILE_ATTRIB,
#endif
FILE_RENAME_TO,
};
node_t *ROOT = NULL;
static void node_emit_one_event(node_t *f, GList *subs, node_t *other, int event);
static void node_emit_events(node_t *f, const node_event_t *ne);
static int node_event_translate(int event, gboolean pair);
static void node_add_event (node_t *f, node_event_t *ev);
static node_t* node_new (node_t* parent, const gchar* basename);
static void node_delete (node_t* parent);
static node_t* node_get_child (node_t *f, const gchar *basename);
static void children_add (node_t *p, node_t *f);
static void children_remove (node_t *p, node_t *f);
static gboolean children_remove_cb (gpointer key, gpointer value, gpointer user_data);
static guint node_children_num (node_t *f);
gboolean
node_timeval_lt(const GTimeVal *val1, const GTimeVal *val2)
{
if (val1->tv_sec < val2->tv_sec)
return TRUE;
if (val1->tv_sec > val2->tv_sec)
return FALSE;
/* val1->tv_sec == val2->tv_sec */
if (val1->tv_usec < val2->tv_usec)
return TRUE;
return FALSE;
}
void
node_traverse (node_t* node, void(*traverse_cb)(node_t*, gpointer), gpointer user_data)
{
GHashTableIter iter;
gpointer value;
g_assert(traverse_cb);
if (node == NULL) {
node = ROOT;
}
if (node) {
traverse_cb(node, user_data);
}
g_hash_table_iter_init (&iter, node->children);
while (g_hash_table_iter_next (&iter, NULL, &value)) {
node_traverse((node_t *)value, traverse_cb, user_data);
}
}
node_t*
node_find(node_t* node, const gchar* filename, gboolean create_on_missing)
{
gchar* str;
gchar* token;
gchar* lasts;
node_t* parent;
node_t* child;
g_assert (filename && filename[0] == '/');
if (node == NULL) {
node = ROOT;
}
FN_W ("%s %s\n", __func__, filename);
parent = child = node;
str = g_strdup (filename);
for (token = strtok_r (str, G_DIR_SEPARATOR_S, &lasts);
token != NULL && child != NULL;
token = strtok_r (NULL, G_DIR_SEPARATOR_S, &lasts)) {
child = node_get_child(parent, token);
if (child) {
parent = child;
} else if (create_on_missing) {
child = node_new (parent, token);
if (child) {
children_add (parent, child);
parent = child;
continue;
} else {
FN_W ("%s create %s failed", __func__, token);
}
} else {
break;
}
}
g_free (str);
return child;
}
gint
node_lstat(node_t *f)
{
struct stat buf;
g_assert(!NODE_HAS_STATE(f, NODE_STATE_ASSOCIATED));
if (lstat(NODE_NAME(f), &buf) == 0) {
FN_W ("%s %s\n", __func__, NODE_NAME(f));
FILE_OBJECT(f)->fo_atime = buf.st_atim;
FILE_OBJECT(f)->fo_mtime = buf.st_mtim;
FILE_OBJECT(f)->fo_ctime = buf.st_ctim;
NODE_SET_FLAG(f, NODE_FLAG_STAT_UPDATED |
(S_ISDIR (buf.st_mode) ? NODE_FLAG_DIR : NODE_FLAG_NONE));
return 0;
} else {
FN_W ("%s(lstat) %s %s\n", __func__, NODE_NAME(f), g_strerror (errno));
}
return errno;
}
void
node_create_children_snapshot(node_t *f, gint created_event, gboolean emit)
{
GDir *dir;
GError *err = NULL;
FN_W ("%s %s [0x%p]\n", __func__, NODE_NAME(f), f);
dir = g_dir_open (NODE_NAME(f), 0, &err);
if (dir) {
const char *basename;
node_t *child = NULL;
while ((basename = g_dir_read_name (dir))) {
node_t* data;
GList *idx;
child = node_get_child (f, basename);
if (child == NULL) {
gchar *filename;
child = node_new (f, basename);
children_add (f, child);
}
if (f->dir_subs) {
/* We need monitor the new children, or the existed child which
* is in the DELETED mode.
*/
if (!NODE_HAS_STATE(child, NODE_STATE_ASSOCIATED) &&
node_lstat(child) == 0 && port_add(child) == 0) {
if (emit) {
/* Emit the whatever event for the new found file. */
node_emit_one_event(child, child->dir_subs, NULL, created_event);
node_emit_one_event(child, child->subs, NULL, created_event);
node_emit_one_event(child, f->dir_subs, NULL, created_event);
node_emit_one_event(child, f->subs, NULL, created_event);
}
}
/* else ignore, because it may be deleted. */
}
}
g_dir_close (dir);
/* We have finished children snapshot. Any other new added subs should
* directory iterate the snapshot instead of scan directory again.
*/
NODE_SET_FLAG(f, NODE_FLAG_SNAPSHOT_UPDATED);
} else {
FN_W (err->message);
g_error_free (err);
}
}
/*
* If all active children nodes are ported, then cancel monitor the parent
* node. If we know how many children are created, then we can stop accordingly.
*
* Unsafe, need lock.
*/
static void
foreach_known_children_scan(gpointer key, gpointer value, gpointer user_data)
{
node_t* f = (node_t*)value;
FN_W ("%s 0x%p %s\n", __func__, f, NODE_NAME(f));
if (!NODE_HAS_STATE(f, NODE_STATE_ASSOCIATED)) {
if (node_lstat(f) == 0 && port_add(f) == 0) {
node_emit_one_event(f, f->dir_subs, NULL, FN_EVENT_CREATED);
node_emit_one_event(f, f->subs, NULL, FN_EVENT_CREATED);
if (NODE_PARENT(f)) {
node_emit_one_event(f, NODE_PARENT(f)->dir_subs, NULL, FN_EVENT_CREATED);
node_emit_one_event(f, NODE_PARENT(f)->subs, NULL, FN_EVENT_CREATED);
}
}
}
}
gboolean
node_try_delete(node_t* node)
{
g_assert (node);
FN_W ("%s 0x%p %s\n", __func__, node, NODE_NAME(node));
/* Try clean children */
if (node_children_num (node) > 0) {
g_hash_table_foreach_remove(node->children, children_remove_cb, NULL);
}
if (!NODE_NEED_MONITOR(node)) {
/* Clean some flags. */
/* NODE_CLE_FLAG(node, NODE_FLAG_HAS_SNAPSHOT | NODE_FLAG_STAT_DONE); */
/* Now we handle the state. */
if (NODE_HAS_STATE(node, NODE_STATE_ASSOCIATED)) {
port_remove(node);
}
/* Actually ignore the ROOT node. */
if (node->state == 0 && NODE_PARENT(node)) {
children_remove(NODE_PARENT(node), node);
/* Do clean instead of returning TRUE. */
node_delete (node);
}
/* else, we have events, clean event queue? */
}
return FALSE;
}
static node_t*
node_new (node_t* parent, const gchar* basename)
{
node_t *f = NULL;
g_assert (basename && basename[0]);
if ((f = g_new0(node_t, 1)) != NULL) {
if (parent) {
NODE_NAME(f) = g_build_filename(NODE_NAME(parent), basename, NULL);
} else {
NODE_NAME(f) = g_strdup(G_DIR_SEPARATOR_S);
}
f->basename = g_strdup (basename);
/* f->children = g_hash_table_new_full (g_str_hash, g_str_equal, */
/* NULL, (GDestroyNotify)node_delete); */
f->children = g_hash_table_new_full (g_str_hash, g_str_equal,
NULL, NULL);
#ifdef GIO_COMPILATION
f->gfile = g_file_new_for_path (NODE_NAME(f));
#endif
FN_W ("%s 0x%p %s\n", __func__, f, NODE_NAME(f));
}
return f;
}
static void
node_delete (node_t *f)
{
FN_W ("%s 0x%p %s\n", __func__, f, NODE_NAME(f));
/* Clean flags. */
f->flag = 0;
g_assert(f->state == 0);
g_assert(!NODE_IS_ACTIVE(f));
g_assert(g_hash_table_size (f->children) == 0);
g_assert(NODE_PARENT(f) == NULL);
g_hash_table_unref(f->children);
#ifdef GIO_COMPILATION
g_object_unref (f->gfile);
#endif
g_free(f->basename);
g_free(NODE_NAME(f));
g_free (f);
}
static void
children_add (node_t *p, node_t *f)
{
FN_W ("%s %s %s\n", __func__, NODE_NAME(p), f->basename);
g_hash_table_insert (p->children, f->basename, f);
NODE_PARENT(f) = p;
}
static void
children_remove (node_t *p, node_t *f)
{
FN_W ("%s %s %s\n", __func__, NODE_NAME(p), f->basename);
g_hash_table_steal (p->children, f->basename);
NODE_PARENT(f) = NULL;
}
static node_t *
node_get_child (node_t *f, const gchar *basename)
{
if (f->children) {
return (node_t *) g_hash_table_lookup (f->children, (gpointer)basename);
}
return NULL;
}
static guint
node_children_num (node_t *f)
{
return g_hash_table_size (f->children);
}
/*
* depth first delete recursively
*/
static gboolean
children_remove_cb (gpointer key, gpointer value, gpointer user_data)
{
return node_try_delete ((node_t*)value);
}
gboolean
node_class_init()
{
ROOT = node_new (NULL, G_DIR_SEPARATOR_S);
if (ROOT == NULL) {
FN_W ("[node] Create ROOT node failed.\n");
return FALSE;
}
return port_class_init (node_add_event);
}
/*
* Adjust self on failing to Port
*/
void
node_adjust_deleted(node_t* f)
{
node_t *ancestor;
FN_W ("%s %s\n", __func__, NODE_NAME(f));
for (ancestor = NODE_PARENT(f);
ancestor != NULL;
ancestor = NODE_PARENT(ancestor)) {
/* Stop if we find a node which been already associated or is existed
* and can be associated.
*/
if (NODE_HAS_STATE(ancestor, NODE_STATE_ASSOCIATED) ||
(node_lstat(ancestor) == 0 && port_add(ancestor) == 0)) {
break;
}
}
/* We assume we shouldn't reach here, because Root is always existed and
* associated. But given bugster#6955199, if PORT FS has problems on root,
* we may reach here. So just return ROOT and the whole GIO fen backend will
* fail.
*/
/* g_assert(ancestor != NULL); */
}
static void
node_emit_events(node_t *f, const node_event_t *ne)
{
gsize num = sizeof(concern_events)/sizeof(int);
gint i;
int translated_e;
node_t *p;
if (node_timeval_lt(&f->atv, &ne->ctv)) {
int event = ne->e;
/* Emit DELETED on the pair_data */
if (ne->pair_data) {
node_t *from = ne->pair_data;
node_emit_one_event(from, from->dir_subs, NULL, node_event_translate(FILE_DELETE, FALSE));
node_emit_one_event(from, from->subs, NULL, node_event_translate(FILE_DELETE, FALSE));
}
for (i = 0; i < num; i++) {
if (event & concern_events[i]) {
translated_e = node_event_translate(concern_events[i], FALSE);
/* Neither GIO or gamin cares about modified events on a
* directory.
*/
#ifdef GIO_COMPILATION
if ((concern_events[i] & FILE_MODIFIED) == 0) {
node_emit_one_event(f, f->dir_subs, NULL, translated_e);
}
#else
/* Gamin doesn't care about attrib changed events on a directory
* either.
*/
if ((concern_events[i] & (FILE_MODIFIED | FILE_ATTRIB)) == 0) {
node_emit_one_event(f, f->dir_subs, NULL, translated_e);
}
#endif
node_emit_one_event(f, f->subs, NULL, translated_e);
}
event &= ~concern_events[i];
}
}
p = NODE_PARENT(f);
if (p != NULL && node_timeval_lt(&p->atv, &ne->ctv)) {
int event = ne->e;
for (i = 0; i < num; i++) {
if (event & concern_events[i]) {
translated_e = node_event_translate(concern_events[i], ne->pair_data != NULL);
node_emit_one_event(f, p->dir_subs, ne->pair_data, translated_e);
node_emit_one_event(f, p->subs, ne->pair_data, translated_e);
}
event &= ~concern_events[i];
}
}
}
/*
* node_add_event:
*
*/
static void
node_add_event (node_t *f, node_event_t *ev)
{
FN_W ("%s %d\n", __func__, ev->e);
/* Clean the events flag early, because all received events need be
* processed in this function.
*/
NODE_CLE_STATE(f, NODE_STATE_HAS_EVENTS);
/*
* Node the node has been created, so we can delete create event in
* optimizing. To reduce the statings, we add it to Port on discoving
* it then emit CREATED event. So we don't need to do anything here.
*/
if (NODE_NEED_MONITOR(f)) {
if (HAS_NO_EXCEPTION_EVENTS(ev->e)) {
if (NODE_HAS_STATE(f, NODE_STATE_ASSOCIATED) || port_add(f) == 0) {
if ((ev->e & FILE_MODIFIED) && NODE_HAS_FLAG(f, NODE_FLAG_DIR)) {
if (f->dir_subs) {
node_create_children_snapshot(f, FN_EVENT_CREATED, TRUE);
} else {
g_hash_table_foreach(f->children, foreach_known_children_scan, NULL);
}
}
} else {
/* Emit delete event */
ev->e |= FILE_DELETE;
node_adjust_deleted(f);
}
} else {
node_adjust_deleted(f);
}
/* Send events to clients. */
node_emit_events (f, ev);
} else {
/* Send events to clients. */
node_emit_events (f, ev);
node_try_delete(f);
}
if (ev->pair_data) {
node_t *from = ev->pair_data;
g_assert(ev->e == FILE_RENAME_TO);
if (NODE_NEED_MONITOR(from)) {
/* Clean the events flag, since it may block free this node. */
NODE_CLE_STATE(from, NODE_STATE_HAS_EVENTS);
node_adjust_deleted(from);
} else {
node_try_delete(from);
}
}
node_event_delete (ev);
}
static void
node_emit_one_event(node_t *f, GList *subs, node_t *other, int event)
{
GList* idx;
FN_W ("%s %s %d\n", __func__, NODE_NAME(f), event);
#ifdef GIO_COMPILATION
for (idx = subs; idx; idx = idx->next) {
g_file_monitor_emit_event(G_FILE_MONITOR(idx->data), f->gfile,
(other == NULL ? NULL : other->gfile), event);
}
#else
for (idx = subs; idx; idx = idx->next) {
gam_server_emit_one_event(NODE_NAME(f), gam_subscription_is_dir(idx->data), event, idx->data, 1);
}
#endif
}
static int
node_event_translate(int event, gboolean pair)
{
#ifdef GIO_COMPILATION
switch (event) {
case FILE_DELETE:
case FILE_RENAME_FROM:
return G_FILE_MONITOR_EVENT_DELETED;
case UNMOUNTED:
return G_FILE_MONITOR_EVENT_UNMOUNTED;
case FILE_ATTRIB:
return G_FILE_MONITOR_EVENT_ATTRIBUTE_CHANGED;
case MOUNTEDOVER:
case FILE_MODIFIED:
return G_FILE_MONITOR_EVENT_CHANGED;
case FILE_RENAME_TO:
if (pair) {
return G_FILE_MONITOR_EVENT_MOVED;
} else {
return G_FILE_MONITOR_EVENT_CREATED;
}
default:
/* case FILE_ACCESS: */
g_assert_not_reached ();
return -1;
}
#else
switch (event) {
case FILE_DELETE:
case FILE_RENAME_FROM:
return GAMIN_EVENT_DELETED;
case MOUNTEDOVER:
case UNMOUNTED:
return GAMIN_EVENT_CHANGED;
case FILE_RENAME_TO:
if (pair) {
return GAMIN_EVENT_MOVED;
} else {
return GAMIN_EVENT_CREATED;
}
default:
if (event & (FILE_ATTRIB | FILE_MODIFIED)) {
return GAMIN_EVENT_CHANGED;
}
/* case FILE_ACCESS: */
g_assert_not_reached ();
return -1;
}
#endif
}
node_event_t*
node_event_new (int event, gpointer user_data)
{
node_event_t *ev;
if ((ev = g_new (node_event_t, 1)) != NULL) {
g_assert (ev);
ev->e = event;
ev->user_data = user_data;
ev->pair_data = NULL; /* For renamed file. */
/* Created timestamp */
g_get_current_time(&ev->ctv);
ev->rename_tv = ev->ctv;
}
return ev;
}
void
node_event_delete (node_event_t* ev)
{
g_free (ev);
}

102
gio/fen/fen-node.h
View File

@@ -1,102 +0,0 @@
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* vim:set expandtab ts=4 shiftwidth=4: */
/*
* Copyright (c) 2008, 2010 Oracle and/or its affiliates, Inc. All rights
* reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General
* Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
*
* Authors: Lin Ma <lin.ma@sun.com>
*/
#include <port.h>
#include <gio/gio.h>
#ifndef _FEN_NODE_H_
#define _FEN_NODE_H_
#ifdef GIO_COMPILATION
#define FN_EVENT_CREATED G_FILE_MONITOR_EVENT_CREATED
#else
#define FN_EVENT_CREATED GAMIN_EVENT_CREATED
#endif
#define NODE_STATE_NONE 0x00000000
#define NODE_STATE_ASSOCIATED 0x00000001 /* This is a confilct to NODE_FLAG_STAT_DONE */
#define NODE_STATE_HAS_EVENTS 0x00000002
#define NODE_FLAG_NONE 0x00000000
#define NODE_FLAG_SNAPSHOT_UPDATED 0x00000001
#define NODE_FLAG_DIR 0x00000002
#define NODE_FLAG_STAT_UPDATED 0x00000004
#define NODE_CLE_STATE(f, st) (f->state &= ~(st))
#define NODE_SET_STATE(f, st) (f->state = ((f->state & ~(st)) | (st)))
#define NODE_HAS_STATE(f, st) (f->state & (st))
#define NODE_CLE_FLAG(f, fl) (f->flag &= ~(fl))
#define NODE_SET_FLAG(f, fl) (f->flag = ((f->flag & ~(fl)) | (fl)))
#define NODE_HAS_FLAG(f, fl) (f->flag & (fl))
typedef struct node node_t;
struct node
{
file_obj_t fobj; /* Inherit from file_obj_t, must be the first. */
GSource *source;
gchar *basename;
guint32 state;
guint32 flag;
GTimeVal atv; /* Timestamp for the first added sub. */
/* the parent and children of node */
node_t *parent;
GHashTable *children; /* children in basename */
/* List of subscriptions monitoring this fdata/path */
GList *subs;
GList *dir_subs;
#ifdef GIO_COMPILATION
GFile* gfile;
#endif
};
#define FILE_OBJECT(f) ((file_obj_t *)(f))
#define NODE_NAME(f) (FILE_OBJECT(f)->fo_name)
#define NODE_PARENT(f) (((node_t *)f)->parent)
#define NODE_IS_ACTIVE(f) (f->dir_subs || f->subs)
#define NODE_IS_REQUIRED_BY_PARENT(f) (NODE_PARENT(f) && NODE_PARENT(f)->dir_subs)
gboolean node_timeval_lt(const GTimeVal *val1, const GTimeVal *val2);
gboolean node_try_delete(node_t* node);
void node_traverse(node_t* node, void(*traverse_cb)(node_t*, gpointer), gpointer user_data);
node_t* node_find(node_t* node, const gchar* filename, gboolean create_on_missing);
gint node_lstat(node_t *f);
void node_create_children_snapshot(node_t *f, gint created_event, gboolean emit);
void node_adjust_deleted(node_t *f);
gboolean node_class_init();
typedef struct node_event
{
int e;
gpointer user_data;
gpointer pair_data;
GTimeVal ctv; /* Created timestamp */
GTimeVal rename_tv; /* Possible rename timestamp */
} node_event_t;
node_event_t* node_event_new (int event, gpointer user_data);
void node_event_delete (node_event_t* ev);
#endif /* _FEN_NODE_H_ */

140
gio/fen/gfendirectorymonitor.c
View File

@@ -1,140 +0,0 @@
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* vim:set expandtab ts=4 shiftwidth=4: */
/* GIO - GLib Input, Output and Streaming Library
*
* Copyright (C) 2006-2007 Red Hat, Inc.
* Copyright (C) 2007 Sebastian Dröge.
* Copyright (c) 2008, 2010 Oracle and/or its affiliates, Inc. All rights
* reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General
* Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
*
* Authors: Alexander Larsson <alexl@redhat.com>
* John McCutchan <john@johnmccutchan.com>
* Sebastian Dröge <slomo@circular-chaos.org>
* Lin Ma <lin.ma@sun.com>
*/
#include "config.h"
#include "gfendirectorymonitor.h"
#include <gio/giomodule.h>
#include "fen-helper.h"
struct _GFenDirectoryMonitor
{
GLocalDirectoryMonitor parent_instance;
gboolean enabled;
};
static gboolean g_fen_directory_monitor_cancel (GFileMonitor* monitor);
#define g_fen_directory_monitor_get_type _g_fen_directory_monitor_get_type
G_DEFINE_TYPE_WITH_CODE (GFenDirectoryMonitor, g_fen_directory_monitor, G_TYPE_LOCAL_DIRECTORY_MONITOR,
g_io_extension_point_implement (G_LOCAL_DIRECTORY_MONITOR_EXTENSION_POINT_NAME,
g_define_type_id,
"fen",
20))
static void
g_fen_directory_monitor_finalize (GObject *object)
{
GFenDirectoryMonitor *self = G_FEN_DIRECTORY_MONITOR (object);
if (self->enabled) {
fen_remove (G_LOCAL_DIRECTORY_MONITOR (self)->dirname, self, TRUE);
self->enabled = FALSE;
}
if (G_OBJECT_CLASS (g_fen_directory_monitor_parent_class)->finalize)
(*G_OBJECT_CLASS (g_fen_directory_monitor_parent_class)->finalize) (object);
}
static GObject *
g_fen_directory_monitor_constructor (GType type,
guint n_construct_properties,
GObjectConstructParam *construct_properties)
{
GObject *obj;
GFenDirectoryMonitorClass *klass;
GObjectClass *parent_class;
GFenDirectoryMonitor *self;
const gchar *dirname = NULL;
klass = G_FEN_DIRECTORY_MONITOR_CLASS (g_type_class_peek (G_TYPE_FEN_DIRECTORY_MONITOR));
parent_class = g_fen_directory_monitor_parent_class;
obj = parent_class->constructor (type,
n_construct_properties,
construct_properties);
self = G_FEN_DIRECTORY_MONITOR (obj);
dirname = G_LOCAL_DIRECTORY_MONITOR (self)->dirname;
g_assert (dirname != NULL);
/* Will never fail as is_supported() should be called before instanciating
* anyway */
if (!fen_init ())
g_assert_not_reached ();
/* FIXME: what to do about errors here? we can't return NULL or another
* kind of error and an assertion is probably too hard */
fen_add (dirname, self, TRUE);
self->enabled = TRUE;
return obj;
}
static gboolean
g_fen_directory_monitor_is_supported (void)
{
return fen_init ();
}
static void
g_fen_directory_monitor_class_init (GFenDirectoryMonitorClass* klass)
{
GObjectClass* gobject_class = G_OBJECT_CLASS (klass);
GFileMonitorClass *directory_monitor_class = G_FILE_MONITOR_CLASS (klass);
GLocalDirectoryMonitorClass *local_directory_monitor_class = G_LOCAL_DIRECTORY_MONITOR_CLASS (klass);
gobject_class->finalize = g_fen_directory_monitor_finalize;
gobject_class->constructor = g_fen_directory_monitor_constructor;
directory_monitor_class->cancel = g_fen_directory_monitor_cancel;
local_directory_monitor_class->mount_notify = TRUE;
local_directory_monitor_class->is_supported = g_fen_directory_monitor_is_supported;
}
static void
g_fen_directory_monitor_init (GFenDirectoryMonitor* monitor)
{
}
static gboolean
g_fen_directory_monitor_cancel (GFileMonitor* monitor)
{
GFenDirectoryMonitor *self = G_FEN_DIRECTORY_MONITOR (monitor);
if (self->enabled) {
fen_remove (G_LOCAL_DIRECTORY_MONITOR (self)->dirname, self, TRUE);
self->enabled = FALSE;
}
if (G_FILE_MONITOR_CLASS (g_fen_directory_monitor_parent_class)->cancel)
(*G_FILE_MONITOR_CLASS (g_fen_directory_monitor_parent_class)->cancel) (monitor);
return TRUE;
}

56
gio/fen/gfendirectorymonitor.h
View File

@@ -1,56 +0,0 @@
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* vim:set expandtab ts=4 shiftwidth=4: */
/* GIO - GLib Input, Output and Streaming Library
*
* Copyright (C) 2006-2007 Red Hat, Inc.
* Copyright (C) 2007 Sebastian Dröge.
* Copyright (c) 2008, 2010 Oracle and/or its affiliates, Inc. All rights
* reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General
* Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
*
* Authors: Alexander Larsson <alexl@redhat.com>
* John McCutchan <john@johnmccutchan.com>
* Sebastian Dröge <slomo@circular-chaos.org>
* Lin Ma <lin.ma@sun.com>
*/
#ifndef __G_FEN_DIRECTORY_MONITOR_H__
#define __G_FEN_DIRECTORY_MONITOR_H__
#include <glib-object.h>
#include <string.h>
#include <gio/glocaldirectorymonitor.h>
#include <gio/giomodule.h>
G_BEGIN_DECLS
#define G_TYPE_FEN_DIRECTORY_MONITOR (_g_fen_directory_monitor_get_type ())
#define G_FEN_DIRECTORY_MONITOR(o) (G_TYPE_CHECK_INSTANCE_CAST ((o), G_TYPE_FEN_DIRECTORY_MONITOR, GFenDirectoryMonitor))
#define G_FEN_DIRECTORY_MONITOR_CLASS(k) (G_TYPE_CHECK_CLASS_CAST ((k), G_TYPE_FEN_DIRECTORY_MONITOR, GFenDirectoryMonitorClass))
#define G_IS_FEN_DIRECTORY_MONITOR(o) (G_TYPE_CHECK_INSTANCE_TYPE ((o), G_TYPE_FEN_DIRECTORY_MONITOR))
#define G_IS_FEN_DIRECTORY_MONITOR_CLASS(k) (G_TYPE_CHECK_CLASS_TYPE ((k), G_TYPE_FEN_DIRECTORY_MONITOR))
typedef struct _GFenDirectoryMonitor GFenDirectoryMonitor;
typedef struct _GFenDirectoryMonitorClass GFenDirectoryMonitorClass;
struct _GFenDirectoryMonitorClass {
GLocalDirectoryMonitorClass parent_class;
};
GType _g_fen_directory_monitor_get_type (void) G_GNUC_CONST;
G_END_DECLS
#endif /* __G_FEN_DIRECTORY_MONITOR_H__ */

140
gio/fen/gfenfilemonitor.c
View File

@@ -1,140 +0,0 @@
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* vim:set expandtab ts=4 shiftwidth=4: */
/* GIO - GLib Input, Output and Streaming Library
*
* Copyright (C) 2006-2007 Red Hat, Inc.
* Copyright (C) 2007 Sebastian Dröge.
* Copyright (c) 2008, 2010 Oracle and/or its affiliates, Inc. All rights
* reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General
* Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
*
* Authors: Alexander Larsson <alexl@redhat.com>
* John McCutchan <john@johnmccutchan.com>
* Sebastian Dröge <slomo@circular-chaos.org>
* Lin Ma <lin.ma@sun.com>
*/
#include "config.h"
#include "gfenfilemonitor.h"
#include <gio/giomodule.h>
#include "fen-helper.h"
struct _GFenFileMonitor
{
GLocalFileMonitor parent_instance;
gboolean enabled;
};
static gboolean g_fen_file_monitor_cancel (GFileMonitor* monitor);
#define g_fen_file_monitor_get_type _g_fen_file_monitor_get_type
G_DEFINE_TYPE_WITH_CODE (GFenFileMonitor, g_fen_file_monitor, G_TYPE_LOCAL_FILE_MONITOR,
g_io_extension_point_implement (G_LOCAL_FILE_MONITOR_EXTENSION_POINT_NAME,
g_define_type_id,
"fen",
20))
static void
g_fen_file_monitor_finalize (GObject *object)
{
GFenFileMonitor *self = G_FEN_FILE_MONITOR (object);
if (self->enabled) {
fen_remove (G_LOCAL_FILE_MONITOR (self)->filename, self, FALSE);
self->enabled = FALSE;
}
if (G_OBJECT_CLASS (g_fen_file_monitor_parent_class)->finalize)
(*G_OBJECT_CLASS (g_fen_file_monitor_parent_class)->finalize) (object);
}
static GObject *
g_fen_file_monitor_constructor (GType type,
guint n_construct_properties,
GObjectConstructParam *construct_properties)
{
GObject *obj;
GFenFileMonitorClass *klass;
GObjectClass *parent_class;
GFenFileMonitor *self;
const gchar *filename = NULL;
klass = G_FEN_FILE_MONITOR_CLASS (g_type_class_peek (G_TYPE_FEN_FILE_MONITOR));
parent_class = g_fen_file_monitor_parent_class;
obj = parent_class->constructor (type,
n_construct_properties,
construct_properties);
self = G_FEN_FILE_MONITOR (obj);
filename = G_LOCAL_FILE_MONITOR (obj)->filename;
g_assert (filename != NULL);
/* Will never fail as is_supported() should be called before instanciating
* anyway */
if (!fen_init ())
g_assert_not_reached ();
/* FIXME: what to do about errors here? we can't return NULL or another
* kind of error and an assertion is probably too hard */
fen_add (filename, self, FALSE);
self->enabled = TRUE;
return obj;
}
static gboolean
g_fen_file_monitor_is_supported (void)
{
return fen_init ();
}
static void
g_fen_file_monitor_class_init (GFenFileMonitorClass* klass)
{
GObjectClass* gobject_class = G_OBJECT_CLASS (klass);
GFileMonitorClass *file_monitor_class = G_FILE_MONITOR_CLASS (klass);
GLocalFileMonitorClass *local_file_monitor_class = G_LOCAL_FILE_MONITOR_CLASS (klass);
gobject_class->finalize = g_fen_file_monitor_finalize;
gobject_class->constructor = g_fen_file_monitor_constructor;
file_monitor_class->cancel = g_fen_file_monitor_cancel;
local_file_monitor_class->is_supported = g_fen_file_monitor_is_supported;
}
static void
g_fen_file_monitor_init (GFenFileMonitor* monitor)
{
}
static gboolean
g_fen_file_monitor_cancel (GFileMonitor* monitor)
{
GFenFileMonitor *self = G_FEN_FILE_MONITOR (monitor);
if (self->enabled) {
fen_remove (G_LOCAL_FILE_MONITOR (self)->filename, self, FALSE);
self->enabled = FALSE;
}
if (G_FILE_MONITOR_CLASS (g_fen_file_monitor_parent_class)->cancel)
(*G_FILE_MONITOR_CLASS (g_fen_file_monitor_parent_class)->cancel) (monitor);
return TRUE;
}

57
gio/fen/gfenfilemonitor.h
View File

@@ -1,57 +0,0 @@
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* vim:set expandtab ts=4 shiftwidth=4: */
/* GIO - GLib Input, Output and Streaming Library
*
* Copyright (C) 2006-2007 Red Hat, Inc.
* Copyright (C) 2007 Sebastian Dröge.
* Copyright (c) 2008, 2010 Oracle and/or its affiliates, Inc. All rights
* reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General
* Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
*
* Authors: Alexander Larsson <alexl@redhat.com>
* John McCutchan <john@johnmccutchan.com>
* Sebastian Dröge <slomo@circular-chaos.org>
* Lin Ma <lin.ma@sun.com>
*/
#ifndef __G_FEN_FILE_MONITOR_H__
#define __G_FEN_FILE_MONITOR_H__
#include <glib-object.h>
#include <string.h>
#include <gio/gfilemonitor.h>
#include <gio/glocalfilemonitor.h>
#include <gio/giomodule.h>
G_BEGIN_DECLS
#define G_TYPE_FEN_FILE_MONITOR (_g_fen_file_monitor_get_type ())
#define G_FEN_FILE_MONITOR(o) (G_TYPE_CHECK_INSTANCE_CAST ((o), G_TYPE_FEN_FILE_MONITOR, GFenFileMonitor))
#define G_FEN_FILE_MONITOR_CLASS(k) (G_TYPE_CHECK_CLASS_CAST ((k), G_TYPE_FEN_FILE_MONITOR, GFenFileMonitorClass))
#define G_IS_FEN_FILE_MONITOR(o) (G_TYPE_CHECK_INSTANCE_TYPE ((o), G_TYPE_FEN_FILE_MONITOR))
#define G_IS_FEN_FILE_MONITOR_CLASS(k) (G_TYPE_CHECK_CLASS_TYPE ((k), G_TYPE_FEN_FILE_MONITOR))
typedef struct _GFenFileMonitor GFenFileMonitor;
typedef struct _GFenFileMonitorClass GFenFileMonitorClass;
struct _GFenFileMonitorClass {
GLocalFileMonitorClass parent_class;
};
GType _g_fen_file_monitor_get_type (void);
G_END_DECLS
#endif /* __G_FEN_FILE_MONITOR_H__ */