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106 lines
2.5 KiB
106 lines
2.5 KiB
#include "wsfs/operations.h"
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#include <stddef.h>
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#include <string.h>
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#include <errno.h>
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#include "wsfs/util.h"
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#include "wsfs/filesystem.h"
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struct wsfs_readdir_context
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{
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void * buffer;
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fuse_fill_dir_t filler;
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};
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static int wsfs_result_from_status(wsfs_status status)
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{
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switch(status)
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{
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case WSFS_GOOD: return 0;
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case WSFS_BAD_NOENTRY: return -ENOENT;
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default: return -ENOENT;
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}
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}
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static struct wsfs_filesystem * wsfs_get_filesystem(void)
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{
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struct fuse_context * const context = fuse_get_context();
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struct wsfs_filesystem * const filesystem = context->private_data;
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return filesystem;
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}
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static bool wsfs_add_entry(void * buffer, char const * path)
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{
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struct wsfs_readdir_context * context = buffer;
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int const result = context->filler(context->buffer, path, NULL, 0, 0);
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return (0 == result);
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}
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static void* wsfs_operation_init(
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struct fuse_conn_info * WSFS_UNUSED_PARAM(connection),
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struct fuse_config * config)
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{
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struct fuse_context * const context = fuse_get_context();
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config->kernel_cache = 1;
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return wsfs_filesystem_create(context->private_data);
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}
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static void wsfs_operation_destroy(void * private_data)
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{
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struct wsfs_filesystem * const filesystem = private_data;
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wsfs_filesystem_dispose(filesystem);
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}
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static int wsfs_operation_getattr(
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char const * path,
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struct stat * buffer,
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struct fuse_file_info * WSFS_UNUSED_PARAM(file_info))
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{
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struct fuse_context * const context = fuse_get_context();
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struct wsfs_filesystem * const filesystem = wsfs_get_filesystem();
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wsfs_status const status = wsfs_filesystem_getattr(filesystem, path, buffer);
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if (WSFS_GOOD == status)
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{
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buffer->st_uid = context->uid;
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buffer->st_gid = context->gid;
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buffer->st_nlink = 1;
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}
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return wsfs_result_from_status(status);
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}
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static int wsfs_operation_readdir(
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char const * path,
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void * buffer,
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fuse_fill_dir_t filler,
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off_t WSFS_UNUSED_PARAM(offset),
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struct fuse_file_info * WSFS_UNUSED_PARAM(file_info),
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enum fuse_readdir_flags WSFS_UNUSED_PARAM(flags))
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{
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struct wsfs_filesystem * filesystem = wsfs_get_filesystem();
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struct wsfs_readdir_context context =
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{
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.buffer = buffer,
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.filler = filler
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};
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wsfs_status const status = wsfs_filesystem_readdir(filesystem, path, &context, &wsfs_add_entry);
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return wsfs_result_from_status(status);
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}
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void wsfs_operations_init(
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struct fuse_operations * operations)
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{
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memset(operations, 0, sizeof(struct fuse_operations));
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operations->init = &wsfs_operation_init;
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operations->destroy = &wsfs_operation_destroy;
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operations->getattr = &wsfs_operation_getattr;
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operations->readdir = &wsfs_operation_readdir;
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}
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