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
use async_net::{AsyncToSocketAddrs, TcpStream};
use futures_lite::{io::BufReader, AsyncWriteExt};
use std::net::SocketAddr;
use crate::resp::WrappedResponse;
use crate::{
client::resp::{
handlers::ResponseHandler,
read_resp_line,
respmap_handlers::{ListallResponse, ListallinfoResponse},
},
cmd::{self, MpdCmd},
DatabaseVersion, Error, Filter, Stats, Status, Subsystem, Track,
};
#[derive(Default)]
pub struct MpdClient {
stream: Option<BufReader<TcpStream>>,
addr: Option<SocketAddr>,
}
impl MpdClient {
pub fn new() -> Self {
Self {
stream: None,
addr: None,
}
}
pub async fn connect<A: AsyncToSocketAddrs>(&mut self, addr: A) -> Result<String, Error> {
let stream = TcpStream::connect(addr).await?;
let sock_addr = stream.peer_addr()?;
let reader = BufReader::new(stream);
log::debug!("server: {:?}", sock_addr);
self.stream = Some(reader);
self.addr = Some(sock_addr);
Ok(self.read_version().await?)
}
pub async fn reconnect(&mut self) -> Result<(), Error> {
if let Some(addr) = self.addr {
log::debug!("Reconnection to: {:?}", addr);
self.connect(addr).await.map(|_| ())
} else {
log::warn!("Reconnect without previous connection");
Err(Error::Disconnected)
}
}
async fn read_version(&mut self) -> Result<String, Error> {
let br = self.stream.as_mut().ok_or(Error::Disconnected)?;
let version = read_resp_line(br).await?;
log::debug!("Connected: {}", version);
Ok(version)
}
pub async fn stats(&mut self) -> Result<Stats, Error> {
self.exec(cmd::Stats).await
}
pub async fn status(&mut self) -> Result<Status, Error> {
let status = self.exec(cmd::Status).await?;
Ok(status)
}
pub async fn update(&mut self, path: Option<&str>) -> Result<DatabaseVersion, Error> {
self.exec(cmd::Update(path)).await
}
pub async fn rescan(&mut self, path: Option<&str>) -> Result<DatabaseVersion, Error> {
self.exec(cmd::Rescan(path)).await
}
pub async fn idle(&mut self) -> Result<Subsystem, Error> {
self.exec(cmd::Idle).await
}
pub async fn noidle(&mut self) -> Result<(), Error> {
self.exec(cmd::NoIdle).await
}
pub async fn setvol(&mut self, volume: u32) -> Result<(), Error> {
self.exec(cmd::Setvol(volume)).await
}
pub async fn repeat(&mut self, repeat: bool) -> Result<(), Error> {
self.exec(cmd::Repeat(repeat)).await
}
pub async fn random(&mut self, random: bool) -> Result<(), Error> {
self.exec(cmd::Random(random)).await
}
pub async fn consume(&mut self, consume: bool) -> Result<(), Error> {
self.exec(cmd::Consume(consume)).await
}
pub async fn play(&mut self) -> Result<(), Error> {
self.play_pause(true).await
}
pub async fn playid(&mut self, id: u32) -> Result<(), Error> {
self.exec(cmd::PlayId(id)).await
}
pub async fn pause(&mut self) -> Result<(), Error> {
self.play_pause(false).await
}
pub async fn play_pause(&mut self, play: bool) -> Result<(), Error> {
self.exec(cmd::PlayPause(!play)).await
}
pub async fn next(&mut self) -> Result<(), Error> {
self.exec(cmd::Next).await
}
pub async fn prev(&mut self) -> Result<(), Error> {
self.exec(cmd::Prev).await
}
pub async fn stop(&mut self) -> Result<(), Error> {
self.exec(cmd::Stop).await
}
pub async fn listall(&mut self, path: Option<&str>) -> Result<ListallResponse, Error> {
self.exec(cmd::Listall(path)).await
}
pub async fn listallinfo(&mut self, path: Option<&str>) -> Result<ListallinfoResponse, Error> {
self.exec(cmd::ListallInfo(path)).await
}
pub async fn queue_add(&mut self, path: &str) -> Result<(), Error> {
self.exec(cmd::QueueAdd(path)).await
}
pub async fn queue_clear(&mut self) -> Result<(), Error> {
self.exec(cmd::QueueClear).await
}
pub async fn queue(&mut self) -> Result<Vec<Track>, Error> {
self.exec(cmd::PlaylistInfo).await
}
pub async fn search(&mut self, filter: &Filter) -> Result<Vec<Track>, Error> {
self.exec(cmd::Search(filter.to_query().as_deref())).await
}
pub async fn exec_wrapped<C>(&mut self, cmd: C) -> Result<WrappedResponse, crate::Error>
where
C: MpdCmd,
{
self.exec(cmd).await.map(Into::into)
}
pub async fn exec<C>(
&mut self,
cmd: C,
) -> Result<<C::Handler as ResponseHandler>::Response, crate::Error>
where
C: MpdCmd,
{
let cmdline = cmd.to_cmdline();
self.send_command(&cmdline).await?;
let br = self.stream.as_mut().ok_or(Error::Disconnected)?;
C::Handler::handle(br).await
}
async fn send_command(&mut self, line: &str) -> Result<(), crate::Error> {
self.stream
.as_mut()
.ok_or(crate::Error::Disconnected)?
.get_mut()
.write_all(line.as_bytes())
.await
.map_err(|_| crate::Error::Disconnected)?;
Ok(())
}
}