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server: Distinguish between a directory and a file changing in 

ReadDirectoryChangesW.
Add a test for it.
This commit is contained in:
Mike McCormack 2006-02-20 12:28:46 +01:00 committed by Alexandre Julliard
parent 88aa6703af
commit a2813f7c2e
2 changed files with 136 additions and 11 deletions
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80
dlls/kernel/tests/change.c
View File

@ -560,6 +560,85 @@ static void test_readdirectorychanges_null(void)
ok( r == TRUE, "failed to remove directory\n");
}
static void test_readdirectorychanges_filedir(void)
{
NTSTATUS r;
HANDLE hdir, hfile;
char buffer[0x1000];
DWORD fflags, filter = 0;
OVERLAPPED ov;
WCHAR path[MAX_PATH], subdir[MAX_PATH], file[MAX_PATH];
static const WCHAR szBoo[] = { '\\','b','o','o',0 };
static const WCHAR szHoo[] = { '\\','h','o','o',0 };
static const WCHAR szFoo[] = { '\\','f','o','o',0 };
PFILE_NOTIFY_INFORMATION pfni;
r = GetTempPathW( MAX_PATH, path );
ok( r != 0, "temp path failed\n");
if (!r)
return;
lstrcatW( path, szBoo );
lstrcpyW( subdir, path );
lstrcatW( subdir, szHoo );
lstrcpyW( file, path );
lstrcatW( file, szFoo );
DeleteFileW( file );
RemoveDirectoryW( subdir );
RemoveDirectoryW( path );
r = CreateDirectoryW(path, NULL);
ok( r == TRUE, "failed to create directory\n");
fflags = FILE_FLAG_BACKUP_SEMANTICS | FILE_FLAG_OVERLAPPED;
hdir = CreateFileW(path, GENERIC_READ|SYNCHRONIZE|FILE_LIST_DIRECTORY,
FILE_SHARE_READ|FILE_SHARE_WRITE, NULL,
OPEN_EXISTING, fflags, NULL);
ok( hdir != INVALID_HANDLE_VALUE, "failed to open directory\n");
ov.hEvent = CreateEvent( NULL, 0, 0, NULL );
filter = FILE_NOTIFY_CHANGE_FILE_NAME;
r = pReadDirectoryChangesW(hdir,buffer,sizeof buffer,TRUE,filter,NULL,&ov,NULL);
ok(r==TRUE, "should return true\n");
r = WaitForSingleObject( ov.hEvent, 10 );
ok( r == WAIT_TIMEOUT, "should timeout\n" );
r = CreateDirectoryW( subdir, NULL );
ok( r == TRUE, "failed to create directory\n");
hfile = CreateFileW( file, GENERIC_READ|GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, 0, NULL );
ok( hfile != INVALID_HANDLE_VALUE, "failed to create file\n");
ok( CloseHandle(hfile), "failed toc lose file\n");
r = WaitForSingleObject( ov.hEvent, INFINITE );
ok( r == WAIT_OBJECT_0, "event should be ready\n" );
ok( ov.Internal == STATUS_SUCCESS, "ov.Internal wrong\n");
ok( ov.InternalHigh == 0x12, "ov.InternalHigh wrong\n");
pfni = (PFILE_NOTIFY_INFORMATION) buffer;
ok( pfni->NextEntryOffset == 0, "offset wrong\n" );
ok( pfni->Action == FILE_ACTION_ADDED, "action wrong\n" );
ok( pfni->FileNameLength == 6, "len wrong\n" );
ok( !memcmp(pfni->FileName,&szFoo[1],6), "name wrong\n" );
r = DeleteFileW( file );
ok( r == TRUE, "failed to delete file\n");
r = RemoveDirectoryW( subdir );
ok( r == TRUE, "failed to remove directory\n");
CloseHandle(hdir);
r = RemoveDirectoryW( path );
ok( r == TRUE, "failed to remove directory\n");
}
START_TEST(change)
{
HMODULE hkernel32 = GetModuleHandle("kernel32");
@ -570,4 +649,5 @@ START_TEST(change)
test_ffcn();
test_readdirectorychanges();
test_readdirectorychanges_null();
test_readdirectorychanges_filedir();
}

67
server/change.c
View File

@ -485,24 +485,20 @@ static int inotify_get_poll_events( struct fd *fd )
return POLLIN;
}
static void inotify_do_change_notify( struct dir *dir, struct inotify_event *ie )
static void inotify_do_change_notify( struct dir *dir, unsigned int action,
const char *relpath )
{
struct change_record *record;
if (dir->want_data)
{
size_t len = strlen(ie->name);
size_t len = strlen(relpath);
record = malloc( offsetof(struct change_record, name[len]) );
if (!record)
return;
if( ie->mask & IN_CREATE )
record->action = FILE_ACTION_ADDED;
else if( ie->mask & IN_DELETE )
record->action = FILE_ACTION_REMOVED;
else
record->action = FILE_ACTION_MODIFIED;
memcpy( record->name, ie->name, len );
record->action = action;
memcpy( record->name, relpath, len );
record->len = len;
list_add_tail( &dir->change_records, &record->entry );
@ -535,11 +531,39 @@ static unsigned int filter_from_event( struct inotify_event *ie )
return filter;
}
static int inode_entry_is_dir( struct inode *inode, const char *name )
{
/* distinguish a created file from a directory */
char *path;
struct list *head;
struct stat st;
int unix_fd, r;
head = list_head( &inode->dirs );
if (!head)
return -1;
path = malloc( strlen(name) + 32 );
if (!path)
return -1;
unix_fd = get_unix_fd( LIST_ENTRY( head, struct dir, in_entry )->fd );
sprintf( path, "/proc/self/fd/%u/%s", unix_fd, name );
r = stat( path, &st );
free( path );
if (-1 == r)
return -1;
if (S_ISDIR(st.st_mode))
return 1;
return 0;
}
static void inotify_notify_all( struct inotify_event *ie )
{
unsigned int filter, action;
struct inode *inode;
struct dir *dir;
unsigned int filter;
inode = inode_from_wd( ie->wd );
if (!inode)
@ -549,10 +573,31 @@ static void inotify_notify_all( struct inotify_event *ie )
}
filter = filter_from_event( ie );
if (ie->mask & IN_CREATE)
{
switch (inode_entry_is_dir( inode, ie->name ))
{
case 1:
filter &= ~FILE_NOTIFY_CHANGE_FILE_NAME;
break;
case 0:
filter &= ~FILE_NOTIFY_CHANGE_DIR_NAME;
break;
default:
break;
/* Maybe the file disappeared before we could check it? */
}
action = FILE_ACTION_ADDED;
}
else if (ie->mask & IN_DELETE)
action = FILE_ACTION_REMOVED;
else
action = FILE_ACTION_MODIFIED;
LIST_FOR_EACH_ENTRY( dir, &inode->dirs, struct dir, in_entry )
if (filter & dir->filter)
inotify_do_change_notify( dir, ie );
inotify_do_change_notify( dir, action, ie->name );
}
static void inotify_poll_event( struct fd *fd, int event )