vector/sinks/amqp/
request_builder.rs

1//! Request builder for the `AMQP` sink.
2//! Responsible for taking the event (which includes rendered template values) and turning
3//! it into the raw bytes and other data needed to send the request to `AMQP`.
4use std::io;
5
6use bytes::Bytes;
7use lapin::BasicProperties;
8
9use super::{encoder::AmqpEncoder, service::AmqpRequest, sink::AmqpEvent};
10use crate::sinks::prelude::*;
11
12pub(super) struct AmqpMetadata {
13    exchange: String,
14    routing_key: String,
15    properties: BasicProperties,
16    finalizers: EventFinalizers,
17}
18
19/// Build the request to send to `AMQP` by using the encoder to convert it into
20/// raw bytes and pass along the resolved template fields to determine where to
21/// route the event.
22pub(super) struct AmqpRequestBuilder {
23    pub(super) encoder: AmqpEncoder,
24}
25
26impl RequestBuilder<AmqpEvent> for AmqpRequestBuilder {
27    type Metadata = AmqpMetadata;
28    type Events = Event;
29    type Encoder = AmqpEncoder;
30    type Payload = Bytes;
31    type Request = AmqpRequest;
32    type Error = io::Error;
33
34    fn compression(&self) -> Compression {
35        Compression::None
36    }
37
38    fn encoder(&self) -> &Self::Encoder {
39        &self.encoder
40    }
41
42    fn split_input(
43        &self,
44        mut input: AmqpEvent,
45    ) -> (Self::Metadata, RequestMetadataBuilder, Self::Events) {
46        let builder = RequestMetadataBuilder::from_event(&input.event);
47
48        let metadata = AmqpMetadata {
49            exchange: input.exchange,
50            routing_key: input.routing_key,
51            properties: input.properties,
52            finalizers: input.event.take_finalizers(),
53        };
54
55        (metadata, builder, input.event)
56    }
57
58    fn build_request(
59        &self,
60        amqp_metadata: Self::Metadata,
61        metadata: RequestMetadata,
62        payload: EncodeResult<Self::Payload>,
63    ) -> Self::Request {
64        let body = payload.into_payload();
65        AmqpRequest::new(
66            body,
67            amqp_metadata.exchange,
68            amqp_metadata.routing_key,
69            amqp_metadata.properties,
70            amqp_metadata.finalizers,
71            metadata,
72        )
73    }
74}
vector/sinks/amqp/request_builder.rs

vector/sinks/amqp/
request_builder.rs
