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71 lines
2.4 KiB
71 lines
2.4 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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#include "webfuse_provider/impl/json/node.h"
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void wfp_impl_read(
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struct wfp_impl_invokation_context * context,
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struct wfp_json const * params,
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int id)
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{
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size_t const count = wfp_impl_json_array_size(params);
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if (5 == count)
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{
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struct wfp_json const * inode_holder = wfp_impl_json_array_get(params, 1);
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struct wfp_json const * handle_holder = wfp_impl_json_array_get(params, 2);
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struct wfp_json const * offset_holder = wfp_impl_json_array_get(params, 3);
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struct wfp_json const * length_holder = wfp_impl_json_array_get(params, 4);
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if (wfp_impl_json_is_int(inode_holder) &&
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wfp_impl_json_is_int(handle_holder) &&
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wfp_impl_json_is_int(offset_holder) &&
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wfp_impl_json_is_int(length_holder))
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{
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ino_t inode = (ino_t) wfp_impl_json_int_get(inode_holder);
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int handle = wfp_impl_json_int_get(handle_holder);
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size_t offset = wfp_impl_json_int_get(offset_holder);
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size_t length = wfp_impl_json_int_get(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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} |