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70 lines
2.2 KiB
70 lines
2.2 KiB
#include "webfuse_provider/impl/operation/read.h"
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#include <stdlib.h>
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#include "webfuse_provider/impl/operation/error.h"
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#include "webfuse_provider/impl/request.h"
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#include "webfuse_provider/impl/message_writer.h"
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#include "webfuse_provider/impl/util/util.h"
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void wfp_impl_read(
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struct wfp_impl_invokation_context * context,
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json_t * params,
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int id)
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{
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size_t const count = json_array_size(params);
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if (5 == count)
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{
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json_t * inode_holder = json_array_get(params, 1);
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json_t * handle_holder = json_array_get(params, 2);
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json_t * offset_holder = json_array_get(params, 3);
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json_t * length_holder = json_array_get(params, 4);
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if (json_is_integer(inode_holder) &&
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json_is_integer(handle_holder) &&
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json_is_integer(offset_holder) &&
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json_is_integer(length_holder))
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{
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ino_t inode = (ino_t) json_integer_value(inode_holder);
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int handle = json_integer_value(handle_holder);
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size_t offset = json_integer_value(offset_holder);
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size_t length = json_integer_value(length_holder);
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struct wfp_request * request = wfp_impl_request_create(context->request, id);
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context->provider->read(request, inode, handle, offset, length, context->user_data);
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}
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}
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}
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void wfp_impl_read_default(
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struct wfp_request * request,
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ino_t WFP_UNUSED_PARAM(inode),
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uint32_t WFP_UNUSED_PARAM(handle),
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size_t WFP_UNUSED_PARAM(offset),
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size_t WFP_UNUSED_PARAM(length),
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void * WFP_UNUSED_PARAM(user_data))
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{
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wfp_impl_respond_error(request, WFP_BAD_NOENTRY);
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}
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void wfp_impl_respond_read(
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struct wfp_request * request,
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char const * data,
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size_t length)
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{
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struct wfp_message_writer * writer = wfp_impl_request_get_writer(request);
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if (0 < length)
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{
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wfp_impl_message_writer_add_bytes(writer, "data", data, length);
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wfp_impl_message_writer_add_string(writer, "format", "base64");
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}
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else
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{
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wfp_impl_message_writer_add_string(writer, "data", "");
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wfp_impl_message_writer_add_string(writer, "format", "identity");
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}
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wfp_impl_message_writer_add_int(writer, "count", ((int) length));
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wfp_impl_respond(request);
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} |