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

vector/sinks/amqp/
request_builder.rs
