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/* * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. * * Copyright 2013 Olaf Wintermann. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #ifndef VFS_H #define VFS_H #include "../public/vfs.h" #include "acl.h" #include <cx/string.h> #ifdef __cplusplus extern "C" { #endif typedef struct VfsType { vfs_init_func init; vfs_create_func create; } VfsType; typedef struct SysVFSDir { DIR *dir; struct dirent *cur; } SysVFSDir; enum VFSAioOp { VFS_AIO_READ = 0, VFS_AIO_WRITE }; typedef enum VFSAioOp VFSAioOp; int vfs_init(void); VfsType* vfs_get_type(cxstring vfs_class); void* vfs_init_backend(ServerConfiguration *cfg, pool_handle_t *pool, VfsType *vfs_class, WSConfigNode *config, int *error); typedef int(*vfs_op_f)(VFSContext *, const char *); typedef int(*sys_op_f)(VFSContext *, const char *, SysACL *); int vfs_path_op(VFSContext *ctx, const char *path, vfs_op_f op, uint32_t access); SYS_FILE sys_vfs_open(VFSContext *ctx, const char *path, int oflags); int sys_vfs_stat(VFSContext *ctx, const char *path, struct stat *buf); int sys_vfs_fstat(VFSContext *ctx, SYS_FILE fd, struct stat *buf); VFS_DIR sys_vfs_opendir(VFSContext *ctx, const char *path); VFS_DIR sys_vfs_fdopendir(VFSContext *ctx, SYS_FILE fd); int sys_vfs_mkdir(VFSContext *ctx, const char *path); int sys_vfs_unlink(VFSContext *ctx, const char *path); int sys_vfs_rmdir(VFSContext *ctx, const char *path); int sys_path_op(VFSContext *ctx, const char *path, sys_op_f op); int sys_acl_check(VFSContext *ctx, uint32_t access_mask, SysACL *externacl); void sys_set_error_status(VFSContext *ctx); ssize_t sys_file_read(SYS_FILE fd, void *buf, size_t nbyte); ssize_t sys_file_write(SYS_FILE fd, const void *buf, size_t nbyte); ssize_t sys_file_pread(SYS_FILE fd, void *buf, size_t nbyte, off_t offset); ssize_t sys_file_pwrite(SYS_FILE fd, const void *buf, size_t nbyte, off_t offset); off_t sys_file_seek(SYS_FILE fd, off_t offset, int whence); void sys_file_close(SYS_FILE fd); int sys_file_aioread(aiocb_s *aiocb); int sys_file_aiowrite(aiocb_s *aiocb); int sys_dir_read(VFS_DIR dir, VFS_ENTRY *entry, int getstat); void sys_dir_close(VFS_DIR dir); int sys_mkdir(VFSContext *ctx, const char *path, SysACL *sysacl); int sys_unlink(VFSContext *ctx, const char *path, SysACL *sysacl); int sys_rmdir(VFSContext *ctx, const char *path, SysACL *sysacl); NSAPI_PUBLIC int vfs_is_sys(VFS *vfs); void vfs_queue_aio(aiocb_s *aiocb, VFSAioOp op); #ifdef __cplusplus } #endif #endif /* VFS_H */