diff options
Diffstat (limited to '')
-rw-r--r-- | src/input/FileInputPlugin.cxx | 159 |
1 files changed, 0 insertions, 159 deletions
diff --git a/src/input/FileInputPlugin.cxx b/src/input/FileInputPlugin.cxx deleted file mode 100644 index 26e40d609..000000000 --- a/src/input/FileInputPlugin.cxx +++ /dev/null @@ -1,159 +0,0 @@ -/* - * Copyright (C) 2003-2013 The Music Player Daemon Project - * http://www.musicpd.org - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program 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 General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ - -#include "config.h" /* must be first for large file support */ -#include "FileInputPlugin.hxx" -#include "InputStream.hxx" -#include "InputPlugin.hxx" -#include "util/Error.hxx" -#include "util/Domain.hxx" -#include "fs/Traits.hxx" -#include "system/fd_util.h" -#include "open.h" - -#include <sys/stat.h> -#include <unistd.h> -#include <errno.h> -#include <string.h> -#include <glib.h> - -static constexpr Domain file_domain("file"); - -struct FileInputStream { - InputStream base; - - int fd; - - FileInputStream(const char *path, int _fd, off_t size, - Mutex &mutex, Cond &cond) - :base(input_plugin_file, path, mutex, cond), - fd(_fd) { - base.size = size; - base.seekable = true; - base.ready = true; - } - - ~FileInputStream() { - close(fd); - } -}; - -static InputStream * -input_file_open(const char *filename, - Mutex &mutex, Cond &cond, - Error &error) -{ - int fd, ret; - struct stat st; - - if (!PathTraits::IsAbsoluteFS(filename)) - return nullptr; - - fd = open_cloexec(filename, O_RDONLY|O_BINARY, 0); - if (fd < 0) { - if (errno != ENOENT && errno != ENOTDIR) - error.FormatErrno("Failed to open \"%s\"", - filename); - return nullptr; - } - - ret = fstat(fd, &st); - if (ret < 0) { - error.FormatErrno("Failed to stat \"%s\"", filename); - close(fd); - return nullptr; - } - - if (!S_ISREG(st.st_mode)) { - error.Format(file_domain, "Not a regular file: %s", filename); - close(fd); - return nullptr; - } - -#ifdef POSIX_FADV_SEQUENTIAL - posix_fadvise(fd, (off_t)0, st.st_size, POSIX_FADV_SEQUENTIAL); -#endif - - FileInputStream *fis = new FileInputStream(filename, fd, st.st_size, - mutex, cond); - return &fis->base; -} - -static bool -input_file_seek(InputStream *is, InputPlugin::offset_type offset, - int whence, - Error &error) -{ - FileInputStream *fis = (FileInputStream *)is; - - offset = (InputPlugin::offset_type)lseek(fis->fd, (off_t)offset, whence); - if (offset < 0) { - error.SetErrno("Failed to seek"); - return false; - } - - is->offset = offset; - return true; -} - -static size_t -input_file_read(InputStream *is, void *ptr, size_t size, - Error &error) -{ - FileInputStream *fis = (FileInputStream *)is; - ssize_t nbytes; - - nbytes = read(fis->fd, ptr, size); - if (nbytes < 0) { - error.SetErrno("Failed to read"); - return 0; - } - - is->offset += nbytes; - return (size_t)nbytes; -} - -static void -input_file_close(InputStream *is) -{ - FileInputStream *fis = (FileInputStream *)is; - - delete fis; -} - -static bool -input_file_eof(InputStream *is) -{ - return is->offset >= is->size; -} - -const InputPlugin input_plugin_file = { - "file", - nullptr, - nullptr, - input_file_open, - input_file_close, - nullptr, - nullptr, - nullptr, - nullptr, - input_file_read, - input_file_eof, - input_file_seek, -}; |