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78 lines
2.6 KiB
78 lines
2.6 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/util/util.h"
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#include "webfuse_provider/impl/util/base64.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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if (0 < length)
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{
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size_t const size = wfp_impl_base64_encoded_size(length) + 1;
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char * buffer = malloc(size);
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wfp_impl_base64_encode((uint8_t const *) data, length, buffer, size);
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json_t * result = json_object();
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json_object_set_new(result, "data", json_string(buffer));
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json_object_set_new(result, "format", json_string("base64"));
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json_object_set_new(result, "count", json_integer((int) length));
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wfp_impl_respond(request, result);
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free(buffer);
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}
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else
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{
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json_t * result = json_object();
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json_object_set_new(result, "data", json_string(""));
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json_object_set_new(result, "format", json_string("identity"));
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json_object_set_new(result, "count", json_integer(0));
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wfp_impl_respond(request, result);
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}
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} |