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
use std::{borrow::Cow, fmt, time::Duration};
use serde::Serialize;
pub use crate::sdam::description::{server::ServerType, topology::TopologyType};
use crate::{
bson::DateTime,
error::Error,
hello::HelloCommandResponse,
options::ServerAddress,
sdam::ServerDescription,
selection_criteria::TagSet,
};
#[derive(Clone)]
pub struct ServerInfo<'a> {
pub(crate) description: Cow<'a, ServerDescription>,
}
impl<'a> Serialize for ServerInfo<'a> {
fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
where
S: serde::Serializer,
{
self.description.serialize(serializer)
}
}
impl<'a> ServerInfo<'a> {
pub(crate) fn new_borrowed(description: &'a ServerDescription) -> Self {
Self {
description: Cow::Borrowed(description),
}
}
pub(crate) fn new_owned(description: ServerDescription) -> Self {
Self {
description: Cow::Owned(description),
}
}
fn command_response_getter<T>(
&'a self,
f: impl Fn(&'a HelloCommandResponse) -> Option<T>,
) -> Option<T> {
self.description
.reply
.as_ref()
.ok()
.and_then(|reply| reply.as_ref().and_then(|r| f(&r.command_response)))
}
pub fn address(&self) -> &ServerAddress {
&self.description.address
}
pub fn average_round_trip_time(&self) -> Option<Duration> {
self.description.average_round_trip_time
}
pub fn last_update_time(&self) -> Option<DateTime> {
self.description.last_update_time
}
pub fn max_wire_version(&self) -> Option<i32> {
self.command_response_getter(|r| r.max_wire_version)
}
pub fn min_wire_version(&self) -> Option<i32> {
self.command_response_getter(|r| r.min_wire_version)
}
pub fn replica_set_name(&self) -> Option<&str> {
self.command_response_getter(|r| r.set_name.as_deref())
}
pub fn replica_set_version(&self) -> Option<i32> {
self.command_response_getter(|r| r.set_version)
}
pub fn server_type(&self) -> ServerType {
self.description.server_type
}
pub fn tags(&self) -> Option<&TagSet> {
self.command_response_getter(|r| r.tags.as_ref())
}
pub fn error(&self) -> Option<&Error> {
self.description.reply.as_ref().err()
}
}
impl<'a> fmt::Debug for ServerInfo<'a> {
fn fmt(&self, f: &mut fmt::Formatter) -> std::result::Result<(), fmt::Error> {
match self.description.reply {
Ok(_) => f
.debug_struct("Server Description")
.field("Address", self.address())
.field("Type", &self.server_type())
.field("Average RTT", &self.average_round_trip_time())
.field("Last Update Time", &self.last_update_time())
.field("Max Wire Version", &self.max_wire_version())
.field("Min Wire Version", &self.min_wire_version())
.field("Replica Set Name", &self.replica_set_name())
.field("Replica Set Version", &self.replica_set_version())
.field("Tags", &self.tags())
.field(
"Compatibility Error",
&self.description.compatibility_error_message(),
)
.finish(),
Err(ref e) => f
.debug_struct("Server Description")
.field("Address", self.address())
.field("Type", &self.server_type())
.field("Error", e)
.finish(),
}
}
}
impl<'a> fmt::Display for ServerInfo<'a> {
fn fmt(&self, f: &mut fmt::Formatter) -> std::result::Result<(), fmt::Error> {
write!(
f,
"{{ Address: {}, Type: {:?}",
self.address(),
self.server_type()
)?;
match self.description.reply {
Ok(_) => {
if let Some(avg_rtt) = self.average_round_trip_time() {
write!(f, ", Average RTT: {:?}", avg_rtt)?;
}
if let Some(last_update_time) = self.last_update_time() {
write!(f, ", Last Update Time: {}", last_update_time)?;
}
if let Some(max_wire_version) = self.max_wire_version() {
write!(f, ", Max Wire Version: {}", max_wire_version)?;
}
if let Some(min_wire_version) = self.min_wire_version() {
write!(f, ", Min Wire Version: {}", min_wire_version)?;
}
if let Some(rs_name) = self.replica_set_name() {
write!(f, ", Replica Set Name: {}", rs_name)?;
}
if let Some(rs_version) = self.replica_set_version() {
write!(f, ", Replica Set Version: {}", rs_version)?;
}
if let Some(tags) = self.tags() {
write!(f, ", Tags: {:?}", tags)?;
}
if let Some(compatibility_error) = self.description.compatibility_error_message() {
write!(f, ", Compatiblity Error: {}", compatibility_error)?;
}
}
Err(ref e) => {
write!(f, ", Error: {}", e)?;
}
}
write!(f, " }}")
}
}