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/**
* Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
* SPDX-License-Identifier: Apache-2.0.
*/
#include <aws/io/retry_strategy.h>
void aws_retry_strategy_acquire(struct aws_retry_strategy *retry_strategy) {
size_t old_value = aws_atomic_fetch_add_explicit(&retry_strategy->ref_count, 1, aws_memory_order_relaxed);
AWS_ASSERT(old_value > 0 && "aws_retry_strategy refcount had been zero, it's invalid to use it again.");
(void)old_value;
}
void aws_retry_strategy_release(struct aws_retry_strategy *retry_strategy) {
if (retry_strategy) {
size_t old_value = aws_atomic_fetch_sub_explicit(&retry_strategy->ref_count, 1, aws_memory_order_seq_cst);
AWS_ASSERT(old_value > 0 && "aws_retry_strategy refcount has gone negative");
if (old_value == 1) {
retry_strategy->vtable->destroy(retry_strategy);
}
}
}
int aws_retry_strategy_acquire_retry_token(
struct aws_retry_strategy *retry_strategy,
const struct aws_byte_cursor *partition_id,
aws_retry_strategy_on_retry_token_acquired_fn *on_acquired,
void *user_data,
uint64_t timeout_ms) {
AWS_PRECONDITION(retry_strategy);
AWS_PRECONDITION(retry_strategy->vtable->acquire_token);
return retry_strategy->vtable->acquire_token(retry_strategy, partition_id, on_acquired, user_data, timeout_ms);
}
int aws_retry_strategy_schedule_retry(
struct aws_retry_token *token,
enum aws_retry_error_type error_type,
aws_retry_strategy_on_retry_ready_fn *retry_ready,
void *user_data) {
AWS_PRECONDITION(token);
AWS_PRECONDITION(token->retry_strategy);
AWS_PRECONDITION(token->retry_strategy->vtable->schedule_retry);
return token->retry_strategy->vtable->schedule_retry(token, error_type, retry_ready, user_data);
}
int aws_retry_token_record_success(struct aws_retry_token *token) {
AWS_PRECONDITION(token);
AWS_PRECONDITION(token->retry_strategy);
AWS_PRECONDITION(token->retry_strategy->vtable->record_success);
return token->retry_strategy->vtable->record_success(token);
}
void aws_retry_token_acquire(struct aws_retry_token *token) {
size_t old_value = aws_atomic_fetch_add_explicit(&token->ref_count, 1u, aws_memory_order_relaxed);
AWS_ASSERT(old_value > 0 && "aws_retry_token refcount had been zero, it's invalid to use it again.");
(void)old_value;
}
void aws_retry_token_release(struct aws_retry_token *token) {
if (token) {
AWS_PRECONDITION(token->retry_strategy);
AWS_PRECONDITION(token->retry_strategy->vtable->release_token);
size_t old_value = aws_atomic_fetch_sub_explicit(&token->ref_count, 1u, aws_memory_order_seq_cst);
AWS_ASSERT(old_value > 0 && "aws_retry_token refcount has gone negative");
if (old_value == 1u) {
token->retry_strategy->vtable->release_token(token);
}
}
}
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