matrix_sdk/config/sync.rs
1// Copyright 2021 The Matrix.org Foundation C.I.C.
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// http://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 std::{fmt, time::Duration};
16
17use matrix_sdk_common::debug::DebugStructExt;
18use ruma::{api::client::sync::sync_events, presence::PresenceState};
19
20const DEFAULT_SYNC_TIMEOUT: Duration = Duration::from_secs(30);
21
22/// Settings for a sync call.
23#[derive(Clone)]
24pub struct SyncSettings {
25 // Filter is pretty big at 1000 bytes, box it to reduce stack size
26 pub(crate) filter: Option<Box<sync_events::v3::Filter>>,
27 pub(crate) timeout: Option<Duration>,
28 pub(crate) ignore_timeout_on_first_sync: bool,
29 pub(crate) token: Option<String>,
30 pub(crate) full_state: bool,
31 pub(crate) set_presence: PresenceState,
32}
33
34impl Default for SyncSettings {
35 fn default() -> Self {
36 Self::new()
37 }
38}
39
40#[cfg(not(tarpaulin_include))]
41impl fmt::Debug for SyncSettings {
42 fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
43 let Self {
44 filter,
45 timeout,
46 ignore_timeout_on_first_sync,
47 token: _,
48 full_state,
49 set_presence,
50 } = self;
51 f.debug_struct("SyncSettings")
52 .maybe_field("filter", filter)
53 .maybe_field("timeout", timeout)
54 .field("ignore_timeout_on_first_sync", ignore_timeout_on_first_sync)
55 .field("full_state", full_state)
56 .field("set_presence", set_presence)
57 .finish()
58 }
59}
60
61impl SyncSettings {
62 /// Create new default sync settings.
63 #[must_use]
64 pub fn new() -> Self {
65 Self {
66 filter: None,
67 timeout: Some(DEFAULT_SYNC_TIMEOUT),
68 ignore_timeout_on_first_sync: false,
69 token: None,
70 full_state: false,
71 set_presence: PresenceState::Online,
72 }
73 }
74
75 /// Set the sync token.
76 ///
77 /// # Arguments
78 ///
79 /// * `token` - The sync token that should be used for the sync call.
80 #[must_use]
81 pub fn token(mut self, token: impl Into<String>) -> Self {
82 self.token = Some(token.into());
83 self
84 }
85
86 /// Set the maximum time the server can wait, in milliseconds, before
87 /// responding to the sync request.
88 ///
89 /// # Arguments
90 ///
91 /// * `timeout` - The time the server is allowed to wait.
92 #[must_use]
93 pub fn timeout(mut self, timeout: Duration) -> Self {
94 self.timeout = Some(timeout);
95 self
96 }
97
98 /// Whether to ignore the `timeout` the first time that the `/sync` endpoint
99 /// is called.
100 ///
101 /// If there is no new data to show, the server will wait until the end of
102 /// `timeout` before returning a response. It can be an undesirable
103 /// behavior when starting a client and informing the user that we are
104 /// "catching up" while waiting for the first response.
105 ///
106 /// By not setting a `timeout` on the first request to `/sync`, the
107 /// homeserver should reply immediately, whether the response is empty or
108 /// not.
109 ///
110 /// Note that this setting is ignored when calling [`Client::sync_once()`],
111 /// because there is no loop happening.
112 ///
113 /// # Arguments
114 ///
115 /// * `ignore` - Whether to ignore the `timeout` the first time that the
116 /// `/sync` endpoint is called.
117 ///
118 /// [`Client::sync_once()`]: crate::Client::sync_once
119 #[must_use]
120 pub fn ignore_timeout_on_first_sync(mut self, ignore: bool) -> Self {
121 self.ignore_timeout_on_first_sync = ignore;
122 self
123 }
124
125 /// Set the sync filter.
126 /// It can be either the filter ID, or the definition for the filter.
127 ///
128 /// # Arguments
129 ///
130 /// * `filter` - The filter configuration that should be used for the sync
131 /// call.
132 #[must_use]
133 pub fn filter(mut self, filter: sync_events::v3::Filter) -> Self {
134 self.filter = Some(Box::new(filter));
135 self
136 }
137
138 /// Should the server return the full state from the start of the timeline.
139 ///
140 /// This does nothing if no sync token is set.
141 ///
142 /// # Arguments
143 /// * `full_state` - A boolean deciding if the server should return the full
144 /// state or not.
145 #[must_use]
146 pub fn full_state(mut self, full_state: bool) -> Self {
147 self.full_state = full_state;
148 self
149 }
150
151 /// Set the presence state
152 ///
153 /// `PresenceState::Online` - The client is marked as being online. This is
154 /// the default preset.
155 ///
156 /// `PresenceState::Offline` - The client is not marked as being online.
157 ///
158 /// `PresenceState::Unavailable` - The client is marked as being idle.
159 ///
160 /// # Arguments
161 /// * `set_presence` - The `PresenceState` that the server should set for
162 /// the client.
163 #[must_use]
164 pub fn set_presence(mut self, presence: PresenceState) -> Self {
165 self.set_presence = presence;
166 self
167 }
168}