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
use quote::quote_spanned;
use super::{
OperatorCategory, OperatorConstraints, OperatorWriteOutput, RANGE_0, RANGE_1, WriteContextArgs,
make_missing_runtime_msg,
};
/// > Arguments: A [serializing async `Sink`](https://docs.rs/futures/latest/futures/sink/trait.Sink.html).
///
/// Consumes (payload, addr) pairs by serializing the payload and sending the resulting pair to an [async `Sink`](https://docs.rs/futures/latest/futures/sink/trait.Sink.html)
/// that delivers them to the `SocketAddr` specified by `addr`.
///
/// Note this operator must be used within a Tokio runtime.
/// ```rustbook
/// async fn serde_out() {
/// let addr = dfir_rs::util::ipv4_resolve("localhost:9000".into()).unwrap();
/// let (outbound, inbound, _) = dfir_rs::util::bind_udp_bytes(addr).await;
/// let remote = dfir_rs::util::ipv4_resolve("localhost:9001".into()).unwrap();
/// let mut flow = dfir_rs::dfir_syntax! {
/// source_iter(vec![("hello".to_owned(), 1), ("world".to_owned(), 2)])
/// -> map (|m| (m, remote)) -> dest_sink_serde(outbound);
/// };
/// flow.run_available();
/// }
/// ```
pub const DEST_SINK_SERDE: OperatorConstraints = OperatorConstraints {
name: "dest_sink_serde",
categories: &[OperatorCategory::Sink],
hard_range_inn: RANGE_1,
soft_range_inn: RANGE_1,
hard_range_out: RANGE_0,
soft_range_out: RANGE_0,
num_args: 1,
persistence_args: RANGE_0,
type_args: RANGE_0,
is_external_input: false,
has_singleton_output: false,
flo_type: None,
ports_inn: None,
ports_out: None,
input_delaytype_fn: |_| None,
write_fn: |wc @ &WriteContextArgs {
root,
op_span,
ident,
op_name,
..
},
diagnostics| {
let missing_runtime_msg = make_missing_runtime_msg(op_name);
let OperatorWriteOutput {
write_prologue,
write_prologue_after,
write_iterator,
write_iterator_after,
} = (super::dest_sink::DEST_SINK.write_fn)(wc, diagnostics)?;
let write_iterator = quote_spanned! {op_span=>
::std::debug_assert!(#root::tokio::runtime::Handle::try_current().is_ok(), #missing_runtime_msg);
#write_iterator
let #ident = #root::dfir_pipes::push::map(
|(payload, addr)| (#root::util::serialize_to_bytes(payload), addr),
#ident,
);
};
Ok(OperatorWriteOutput {
write_prologue,
write_prologue_after,
write_iterator,
write_iterator_after,
})
},
};