google_cloud_storage/storage/
request_options.rs

1// Copyright 2025 Google LLC
2//
3// Licensed under the Apache License, Version 2.0 (the "License");
4// you may not use this file except in compliance with the License.
5// You may obtain a copy of the License at
6//
7//     https://www.apache.org/licenses/LICENSE-2.0
8//
9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS,
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14
15use super::common_options::CommonOptions;
16use crate::{
17    read_resume_policy::ReadResumePolicy,
18    storage::checksum::details::{Checksum, Crc32c},
19};
20use gax::{
21    backoff_policy::BackoffPolicy,
22    retry_policy::RetryPolicy,
23    retry_throttler::{AdaptiveThrottler, SharedRetryThrottler},
24};
25use gaxi::options::ClientConfig;
26use std::sync::{Arc, Mutex};
27
28/// The per-request options for a client call.
29///
30/// This is currently an opaque type, used only in mocking the `Storage` client.
31/// It is opaque to avoid breaking changes until its interface stabilizes.
32#[derive(Clone, Debug)]
33pub struct RequestOptions {
34    pub(crate) retry_policy: Arc<dyn RetryPolicy>,
35    pub(crate) backoff_policy: Arc<dyn BackoffPolicy>,
36    pub(crate) retry_throttler: SharedRetryThrottler,
37    pub(crate) idempotency: Option<bool>,
38    pub(crate) checksum: Checksum,
39    pub(crate) automatic_decompression: bool,
40    pub(crate) common_options: CommonOptions,
41}
42
43impl RequestOptions {
44    pub(crate) fn new() -> Self {
45        let retry_policy = Arc::new(crate::retry_policy::storage_default());
46        let backoff_policy = Arc::new(crate::backoff_policy::default());
47        let retry_throttler = Arc::new(Mutex::new(AdaptiveThrottler::default()));
48        Self::new_with_policies(
49            retry_policy,
50            backoff_policy,
51            retry_throttler,
52            CommonOptions::new(),
53        )
54    }
55
56    pub(crate) fn new_with_client_config(
57        config: &ClientConfig,
58        common_options: CommonOptions,
59    ) -> Self {
60        let retry_policy = config
61            .retry_policy
62            .clone()
63            .unwrap_or_else(|| Arc::new(crate::retry_policy::storage_default()));
64        let backoff_policy = config
65            .backoff_policy
66            .clone()
67            .unwrap_or_else(|| Arc::new(crate::backoff_policy::default()));
68        let retry_throttler = config.retry_throttler.clone();
69        Self::new_with_policies(
70            retry_policy,
71            backoff_policy,
72            retry_throttler,
73            common_options,
74        )
75    }
76
77    pub fn set_read_resume_policy(&mut self, v: Arc<dyn ReadResumePolicy>) {
78        self.common_options.read_resume_policy = v;
79    }
80
81    pub fn read_resume_policy(&self) -> Arc<dyn ReadResumePolicy> {
82        self.common_options.read_resume_policy.clone()
83    }
84
85    pub fn set_resumable_upload_threshold(&mut self, v: usize) {
86        self.common_options.resumable_upload_threshold = v;
87    }
88
89    pub fn resumable_upload_threshold(&self) -> usize {
90        self.common_options.resumable_upload_threshold
91    }
92
93    pub fn set_resumable_upload_buffer_size(&mut self, v: usize) {
94        self.common_options.resumable_upload_buffer_size = v;
95    }
96
97    pub fn resumable_upload_buffer_size(&self) -> usize {
98        self.common_options.resumable_upload_buffer_size
99    }
100
101    fn new_with_policies(
102        retry_policy: Arc<dyn RetryPolicy>,
103        backoff_policy: Arc<dyn BackoffPolicy>,
104        retry_throttler: SharedRetryThrottler,
105        common_options: CommonOptions,
106    ) -> Self {
107        Self {
108            retry_policy,
109            backoff_policy,
110            retry_throttler,
111            common_options,
112            idempotency: None,
113            checksum: Checksum {
114                crc32c: Some(Crc32c::default()),
115                md5_hash: None,
116            },
117            automatic_decompression: false,
118        }
119    }
120}