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/**
* Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
* SPDX-License-Identifier: Apache-2.0.
*/
#include "aws/s3/private/s3_parallel_input_stream.h"
#include "s3_tester.h"
#include <aws/common/atomics.h>
struct aws_parallel_input_stream_from_file_failure_impl {
struct aws_parallel_input_stream base;
struct aws_atomic_var number_read;
};
static void s_para_from_file_failure_destroy(struct aws_parallel_input_stream *stream) {
struct aws_parallel_input_stream_from_file_failure_impl *impl = stream->impl;
aws_mem_release(stream->alloc, impl);
}
struct aws_future_bool *s_para_from_file_failure_read(
struct aws_parallel_input_stream *stream,
uint64_t offset,
struct aws_byte_buf *dest) {
(void)offset;
struct aws_future_bool *future = aws_future_bool_new(stream->alloc);
struct aws_parallel_input_stream_from_file_failure_impl *impl = stream->impl;
size_t previous_number_read = aws_atomic_fetch_add(&impl->number_read, 1);
if (previous_number_read == 1) {
/* TODO: make the failure configurable */
aws_future_bool_set_error(future, AWS_ERROR_UNIMPLEMENTED);
} else {
struct aws_byte_cursor test_string = AWS_BYTE_CUR_INIT_FROM_STRING_LITERAL("This is an S3 test.");
while (dest->len < dest->capacity) {
size_t remaining_in_buffer = dest->capacity - dest->len;
if (remaining_in_buffer < test_string.len) {
test_string.len = remaining_in_buffer;
}
aws_byte_buf_append(dest, &test_string);
}
aws_future_bool_set_result(future, false);
}
return future;
}
static struct aws_parallel_input_stream_vtable s_parallel_input_stream_from_file_failure_vtable = {
.destroy = s_para_from_file_failure_destroy,
.read = s_para_from_file_failure_read,
};
struct aws_parallel_input_stream *aws_parallel_input_stream_new_from_file_failure_tester(
struct aws_allocator *allocator,
struct aws_byte_cursor file_name) {
(void)file_name;
struct aws_parallel_input_stream_from_file_failure_impl *impl =
aws_mem_calloc(allocator, 1, sizeof(struct aws_parallel_input_stream_from_file_failure_impl));
aws_parallel_input_stream_init_base(
&impl->base, allocator, &s_parallel_input_stream_from_file_failure_vtable, impl);
aws_atomic_init_int(&impl->number_read, 0);
return &impl->base;
}
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