Falk Werner
6 years ago
parent
eb0bdb1f01
commit
c9ec71ccd5
@ -1,25 +1,30 @@
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#include "wsfs/operations.h"
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#include <limits.h>
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#include <errno.h>
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#include <jansson.h>
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#include "wsfs/jsonrpc.h"
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#include "wsfs/util.h"
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int wsfs_operation_close(
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char const *path,
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void wsfs_operation_close(
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fuse_req_t request,
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fuse_ino_t inode,
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struct fuse_file_info * file_info)
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{
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struct fuse_context * context = fuse_get_context();
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struct wsfs_jsonrpc * rpc = context->private_data;
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struct wsfs_operations_context * user_data = fuse_req_userdata(request);
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struct wsfs_jsonrpc * rpc = user_data->rpc;
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json_t * result = NULL;
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int handle = (int) (file_info->fh & INT_MAX);
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wsfs_status const status = wsfs_jsonrpc_invoke(rpc, &result, "close", "sii", path, handle, file_info->flags);
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wsfs_status const status = wsfs_jsonrpc_invoke(rpc, &result, "close", "iii", inode, handle, file_info->flags);
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if (NULL != result)
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{
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// unused
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json_decref(result);
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}
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return wsfs_status_to_rc(status);
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fuse_reply_err(request, (WSFS_GOOD == status) ? 0 : ENOENT);
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}
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@ -1,30 +0,0 @@
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#include "wsfs/operations.h"
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#include <limits.h>
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#include <errno.h>
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#include <jansson.h>
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#include "wsfs/jsonrpc.h"
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#include "wsfs/util.h"
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void wsfs_operation_ll_close(
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fuse_req_t request,
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fuse_ino_t inode,
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struct fuse_file_info * file_info)
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{
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struct wsfs_operations_context * user_data = fuse_req_userdata(request);
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struct wsfs_jsonrpc * rpc = user_data->rpc;
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json_t * result = NULL;
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int handle = (int) (file_info->fh & INT_MAX);
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wsfs_status const status = wsfs_jsonrpc_invoke(rpc, &result, "close", "iii", inode, handle, file_info->flags);
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if (NULL != result)
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{
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// unused
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json_decref(result);
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}
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fuse_reply_err(request, (WSFS_GOOD == status) ? 0 : ENOENT);
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}
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@ -1,70 +0,0 @@
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#include "wsfs/operations.h"
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#include <errno.h>
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#include <string.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <unistd.h>
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#include "wsfs/jsonrpc.h"
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#include "wsfs/util.h"
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extern void wsfs_operation_ll_getattr (
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fuse_req_t request,
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fuse_ino_t inode,
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struct fuse_file_info * WSFS_UNUSED_PARAM(file_info))
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{
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struct fuse_ctx const * context = fuse_req_ctx(request);
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struct wsfs_operations_context * user_data = fuse_req_userdata(request);
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struct wsfs_jsonrpc * rpc = user_data->rpc;
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struct stat buffer;
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json_t * data = NULL;
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wsfs_status status = wsfs_jsonrpc_invoke(rpc, &data, "getattr", "i", inode);
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if (NULL != data)
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{
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json_t * mode_holder = json_object_get(data, "mode");
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json_t * type_holder = json_object_get(data, "type");
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if ((NULL != mode_holder) && (json_is_integer(mode_holder)) &&
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(NULL != type_holder) && (json_is_string(type_holder)))
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{
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memset(&buffer, 0, sizeof(struct stat));
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buffer.st_mode = json_integer_value(mode_holder) & 0555;
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char const * type = json_string_value(type_holder);
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if (0 == strcmp("file", type))
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{
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buffer.st_mode |= S_IFREG;
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}
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else if (0 == strcmp("dir", type))
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{
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buffer.st_mode |= S_IFDIR;
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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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buffer.st_size = wsfs_json_get_int(data, "size", 0);
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buffer.st_atime = wsfs_json_get_int(data, "atime", 0);
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buffer.st_mtime = wsfs_json_get_int(data, "mtime", 0);
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buffer.st_ctime = wsfs_json_get_int(data, "ctime", 0);
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}
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else
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{
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status = WSFS_BAD_FORMAT;
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}
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json_decref(data);
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}
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if (WSFS_GOOD == status)
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{
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fuse_reply_attr(request, &buffer, user_data->timeout);
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}
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else
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{
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fuse_reply_err(request, ENOENT);
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}
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}
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@ -1,42 +0,0 @@
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#include "wsfs/operations.h"
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#include <errno.h>
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#include <jansson.h>
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#include "wsfs/jsonrpc.h"
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#include "wsfs/util.h"
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void wsfs_operation_ll_open(
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fuse_req_t request,
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fuse_ino_t inode,
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struct fuse_file_info * file_info)
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{
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struct wsfs_operations_context * user_data = fuse_req_userdata(request);
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struct wsfs_jsonrpc * rpc = user_data->rpc;
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json_t * result = NULL;
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wsfs_status status = wsfs_jsonrpc_invoke(rpc, &result, "open", "ii", inode, file_info->flags);
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if (NULL != result)
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{
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json_t * handle_holder = json_object_get(result, "handle");
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if ((NULL != handle_holder) && (json_is_integer(handle_holder)))
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{
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file_info->fh = json_integer_value(handle_holder);
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}
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else
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{
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status = WSFS_BAD_FORMAT;
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}
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json_decref(result);
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}
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if (WSFS_GOOD == status)
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{
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fuse_reply_open(request, file_info);
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}
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else
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{
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fuse_reply_err(request, ENOENT);
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}
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}
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@ -1,87 +0,0 @@
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#include "wsfs/operations.h"
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#include <errno.h>
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#include <string.h>
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#include <limits.h>
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#include <jansson.h>
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#include "wsfs/jsonrpc.h"
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#define WSFS_MAX_READ_LENGTH 4096
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static wsfs_status wsfs_fill_buffer(
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char * buffer,
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size_t buffer_size,
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char const * format,
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char const * data,
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size_t count)
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{
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wsfs_status status = WSFS_GOOD;
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size_t const copy_count = (buffer_size < count) ? buffer_size : count;
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if (0 < copy_count)
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{
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if (0 == strcmp("identity", format))
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{
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memcpy(buffer, data, copy_count);
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}
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else
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{
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status = WSFS_BAD;
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}
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}
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return status;
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}
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void wsfs_operation_ll_read(
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fuse_req_t request,
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fuse_ino_t inode,
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size_t size,
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off_t offset,
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struct fuse_file_info * file_info)
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{
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struct wsfs_operations_context * user_data = fuse_req_userdata(request);
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struct wsfs_jsonrpc * rpc = user_data->rpc;
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int const length = (size <= WSFS_MAX_READ_LENGTH) ? (int) size : WSFS_MAX_READ_LENGTH;
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char * buffer = malloc(length);
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size_t count = 0;
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json_t * data = NULL;
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int handle = (file_info->fh & INT_MAX);
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wsfs_status status = wsfs_jsonrpc_invoke(rpc, &data, "read", "iiii", inode, handle, (int) offset, length);
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if (NULL != data)
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{
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json_t * data_holder = json_object_get(data, "data");
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json_t * format_holder = json_object_get(data, "format");
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json_t * count_holder = json_object_get(data, "count");
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if ((NULL != data_holder) && (json_is_string(data_holder)) &&
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(NULL != format_holder) && (json_is_string(format_holder)) &&
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(NULL != count_holder) && (json_is_integer(count_holder)))
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{
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char const * const data = json_string_value(data_holder);
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char const * const format = json_string_value(format_holder);
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count = (size_t) json_integer_value(count_holder);
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status = wsfs_fill_buffer(buffer, length, format, data, count);
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}
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else
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{
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status = WSFS_BAD_FORMAT;
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}
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json_decref(data);
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}
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if (WSFS_GOOD == status)
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{
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fuse_reply_buf(request, buffer, count);
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}
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else
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{
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fuse_reply_err(request, ENOENT);
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}
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free(buffer);
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}
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@ -1,129 +0,0 @@
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#include "wsfs/operations.h"
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#include <stdlib.h>
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#include <string.h>
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#include <errno.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <unistd.h>
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#include "wsfs/jsonrpc.h"
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#include "wsfs/util.h"
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#define WSFS_DIRBUFFER_INITIAL_SIZE 1024
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struct wsfs_dirbuffer
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{
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char * data;
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size_t position;
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size_t capacity;
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};
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static void wsfs_dirbuffer_init(
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struct wsfs_dirbuffer * buffer)
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{
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buffer->data = malloc(WSFS_DIRBUFFER_INITIAL_SIZE);
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buffer->position = 0;
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buffer->capacity = WSFS_DIRBUFFER_INITIAL_SIZE;
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}
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static void wsfs_dirbuffer_dispose(
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struct wsfs_dirbuffer * buffer)
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{
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free(buffer->data);
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}
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static void wsfs_dirbuffer_add(
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fuse_req_t request,
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struct wsfs_dirbuffer * buffer,
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char const * name,
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fuse_ino_t inode)
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{
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size_t const size = fuse_add_direntry(request, NULL, 0, name, NULL, 0);
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size_t remaining = buffer->capacity - buffer->position;
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while (remaining < size)
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{
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buffer->capacity *= 2;
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buffer->data = realloc(buffer->data, buffer->capacity);
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remaining = buffer->capacity - buffer->position;
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}
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struct stat stat_buffer;
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memset(&stat_buffer, 0, sizeof(struct stat));
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stat_buffer.st_ino = inode;
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fuse_add_direntry(request,
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&buffer->data[buffer->position], remaining, name,
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&stat_buffer, buffer->position + size);
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buffer->position += size;
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}
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static size_t min(size_t a, size_t b)
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{
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return (a < b) ? a : b;
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}
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void wsfs_operation_ll_readdir (
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fuse_req_t request,
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fuse_ino_t inode,
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size_t size,
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off_t offset,
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struct fuse_file_info * WSFS_UNUSED_PARAM(file_info))
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{
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struct wsfs_operations_context * user_data = fuse_req_userdata(request);
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struct wsfs_jsonrpc * rpc = user_data->rpc;
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struct wsfs_dirbuffer buffer;
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wsfs_dirbuffer_init(&buffer);
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json_t * result = NULL;
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wsfs_status const status = wsfs_jsonrpc_invoke(rpc, &result, "readdir", "i", inode);
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if (NULL != result)
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{
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if (json_is_array(result))
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{
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bool buffer_full = false;
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size_t const count = json_array_size(result);
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for(size_t i = 0; (!buffer_full) && (i < count); i++)
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{
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json_t * entry =json_array_get(result, i);
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if (json_is_object(entry))
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{
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json_t * name_holder = json_object_get(entry, "name");
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json_t * inode_holder = json_object_get(entry, "inode");
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if ((NULL != name_holder) && (json_is_string(name_holder)) &&
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(NULL != inode_holder) && (json_is_integer(inode_holder)))
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{
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char const * name = json_string_value(name_holder);
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fuse_ino_t entry_inode = (fuse_ino_t) json_integer_value(inode_holder);
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wsfs_dirbuffer_add(request, &buffer, name, entry_inode);
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}
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}
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}
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}
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json_decref(result);
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}
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if (WSFS_GOOD == status)
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{
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if (((size_t) offset) < buffer.position)
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{
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fuse_reply_buf(request, &buffer.data[offset],
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min(buffer.position - offset, size));
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}
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else
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{
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fuse_reply_buf(request, NULL, 0);
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}
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}
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else
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{
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fuse_reply_err(request, ENOENT);
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}
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wsfs_dirbuffer_dispose(&buffer);
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}
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