1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at https://mozilla.org/MPL/2.0/.

use log::LevelFilter;

use crate::net::PingUploader;

use std::collections::HashMap;
use std::path::PathBuf;
use std::time::Duration;

/// The default server pings are sent to.
pub(crate) const DEFAULT_GLEAN_ENDPOINT: &str = "https://incoming.telemetry.mozilla.org";

/// The Glean configuration.
///
/// Optional values will be filled in with default values.
#[derive(Debug)]
pub struct Configuration {
    /// Whether upload should be enabled.
    pub upload_enabled: bool,
    /// Path to a directory to store all data in.
    pub data_path: PathBuf,
    /// The application ID (will be sanitized during initialization).
    pub application_id: String,
    /// The maximum number of events to store before sending a ping containing events.
    pub max_events: Option<usize>,
    /// Whether Glean should delay persistence of data from metrics with ping lifetime.
    pub delay_ping_lifetime_io: bool,
    /// The server pings are sent to.
    pub server_endpoint: Option<String>,
    /// The instance of the uploader used to send pings.
    pub uploader: Option<Box<dyn PingUploader + 'static>>,
    /// Whether Glean should schedule "metrics" pings for you.
    pub use_core_mps: bool,
    /// Whether Glean should limit its storage to only that of registered pings.
    /// Unless you know that all your and your libraries' pings are appropriately registered
    /// _before_ init, you shouldn't use this.
    pub trim_data_to_registered_pings: bool,
    /// The internal logging level.
    pub log_level: Option<LevelFilter>,
    /// The rate pings may be uploaded before they are throttled.
    pub rate_limit: Option<crate::PingRateLimit>,
    /// Whether to add a wallclock timestamp to all events.
    pub enable_event_timestamps: bool,
    /// An experimentation identifier derived by the application to be sent with all pings, it should
    /// be noted that this has an underlying StringMetric and so should conform to the limitations that
    /// StringMetric places on length, etc.
    pub experimentation_id: Option<String>,
    /// Whether to enable internal pings. Default: true
    pub enable_internal_pings: bool,
    /// A ping schedule map.
    /// Maps a ping name to a list of pings to schedule along with it.
    /// Only used if the ping's own ping schedule list is empty.
    pub ping_schedule: HashMap<String, Vec<String>>,
    /// Write count threshold when to auto-flush. `0` disables it.
    pub ping_lifetime_threshold: usize,
    /// After what time to auto-flush. 0 disables it.
    pub ping_lifetime_max_time: Duration,
}

/// Configuration builder.
///
/// Let's you build a configuration from the required fields
/// and let you set optional fields individually.
#[derive(Debug)]
pub struct Builder {
    /// Required: Whether upload should be enabled.
    pub upload_enabled: bool,
    /// Required: Path to a directory to store all data in.
    pub data_path: PathBuf,
    /// Required: The application ID (will be sanitized during initialization).
    pub application_id: String,
    /// Optional: The maximum number of events to store before sending a ping containing events.
    /// Default: `None`
    pub max_events: Option<usize>,
    /// Optional: Whether Glean should delay persistence of data from metrics with ping lifetime.
    /// Default: `false`
    pub delay_ping_lifetime_io: bool,
    /// Optional: The server pings are sent to.
    /// Default: `None`
    pub server_endpoint: Option<String>,
    /// Optional: The instance of the uploader used to send pings.
    /// Default: `None`
    pub uploader: Option<Box<dyn PingUploader + 'static>>,
    /// Optional: Whether Glean should schedule "metrics" pings for you.
    /// Default: `false`
    pub use_core_mps: bool,
    /// Optional: Whether Glean should limit its storage to only that of registered pings.
    /// Unless you know that all your and your libraries' pings are appropriately registered
    /// _before_ init, you shouldn't use this.
    /// Default: `false`
    pub trim_data_to_registered_pings: bool,
    /// Optional: The internal logging level.
    /// Default: `None`
    pub log_level: Option<LevelFilter>,
    /// Optional: The internal ping upload rate limit.
    /// Default: `None`
    pub rate_limit: Option<crate::PingRateLimit>,
    /// Whether to add a wallclock timestamp to all events.
    pub enable_event_timestamps: bool,
    /// An experimentation identifier derived by the application to be sent with all pings, it should
    /// be noted that this has an underlying StringMetric and so should conform to the limitations that
    /// StringMetric places on length, etc.
    pub experimentation_id: Option<String>,
    /// Whether to enable internal pings. Default: true
    pub enable_internal_pings: bool,
    /// A ping schedule map.
    /// Maps a ping name to a list of pings to schedule along with it.
    /// Only used if the ping's own ping schedule list is empty.
    pub ping_schedule: HashMap<String, Vec<String>>,
    /// Write count threshold when to auto-flush. `0` disables it.
    pub ping_lifetime_threshold: usize,
    /// After what time to auto-flush. 0 disables it.
    pub ping_lifetime_max_time: Duration,
}

impl Builder {
    /// A new configuration builder.
    pub fn new<P: Into<PathBuf>, S: Into<String>>(
        upload_enabled: bool,
        data_path: P,
        application_id: S,
    ) -> Self {
        Self {
            upload_enabled,
            data_path: data_path.into(),
            application_id: application_id.into(),
            max_events: None,
            delay_ping_lifetime_io: false,
            server_endpoint: None,
            uploader: None,
            use_core_mps: false,
            trim_data_to_registered_pings: false,
            log_level: None,
            rate_limit: None,
            enable_event_timestamps: true,
            experimentation_id: None,
            enable_internal_pings: true,
            ping_schedule: HashMap::new(),
            ping_lifetime_threshold: 0,
            ping_lifetime_max_time: Duration::ZERO,
        }
    }

    /// Generate the full configuration.
    pub fn build(self) -> Configuration {
        Configuration {
            upload_enabled: self.upload_enabled,
            data_path: self.data_path,
            application_id: self.application_id,
            max_events: self.max_events,
            delay_ping_lifetime_io: self.delay_ping_lifetime_io,
            server_endpoint: self.server_endpoint,
            uploader: self.uploader,
            use_core_mps: self.use_core_mps,
            trim_data_to_registered_pings: self.trim_data_to_registered_pings,
            log_level: self.log_level,
            rate_limit: self.rate_limit,
            enable_event_timestamps: self.enable_event_timestamps,
            experimentation_id: self.experimentation_id,
            enable_internal_pings: self.enable_internal_pings,
            ping_schedule: self.ping_schedule,
            ping_lifetime_threshold: self.ping_lifetime_threshold,
            ping_lifetime_max_time: self.ping_lifetime_max_time,
        }
    }

    /// Set the maximum number of events to store before sending a ping containing events.
    pub fn with_max_events(mut self, max_events: usize) -> Self {
        self.max_events = Some(max_events);
        self
    }

    /// Set whether Glean should delay persistence of data from metrics with ping lifetime.
    pub fn with_delay_ping_lifetime_io(mut self, value: bool) -> Self {
        self.delay_ping_lifetime_io = value;
        self
    }

    /// Set the server pings are sent to.
    pub fn with_server_endpoint<S: Into<String>>(mut self, server_endpoint: S) -> Self {
        self.server_endpoint = Some(server_endpoint.into());
        self
    }

    /// Set the instance of the uploader used to send pings.
    pub fn with_uploader<U: PingUploader + 'static>(mut self, uploader: U) -> Self {
        self.uploader = Some(Box::new(uploader));
        self
    }

    /// Set whether Glean should schedule "metrics" pings for you.
    pub fn with_use_core_mps(mut self, value: bool) -> Self {
        self.use_core_mps = value;
        self
    }

    /// Set whether Glean should limit its storage to only that of registered pings.
    pub fn with_trim_data_to_registered_pings(mut self, value: bool) -> Self {
        self.trim_data_to_registered_pings = value;
        self
    }

    /// Set whether to add a wallclock timestamp to all events (experimental).
    pub fn with_event_timestamps(mut self, value: bool) -> Self {
        self.enable_event_timestamps = value;
        self
    }

    /// Set whether to add a wallclock timestamp to all events (experimental).
    pub fn with_experimentation_id(mut self, value: String) -> Self {
        self.experimentation_id = Some(value);
        self
    }

    /// Set whether to enable internal pings.
    pub fn with_internal_pings(mut self, value: bool) -> Self {
        self.enable_internal_pings = value;
        self
    }

    /// Set the ping schedule map.
    pub fn with_ping_schedule(mut self, value: HashMap<String, Vec<String>>) -> Self {
        self.ping_schedule = value;
        self
    }

    /// Write count threshold when to auto-flush. `0` disables it.
    pub fn with_ping_lifetime_threshold(mut self, value: usize) -> Self {
        self.ping_lifetime_threshold = value;
        self
    }

    /// After what time to auto-flush. 0 disables it.
    pub fn with_ping_lifetime_max_time(mut self, value: Duration) -> Self {
        self.ping_lifetime_max_time = value;
        self
    }
}