vector/internal_events/
tcp.rs

1use std::net::SocketAddr;
2
3use metrics::counter;
4use vector_lib::internal_event::{InternalEvent, error_stage, error_type};
5
6use crate::{internal_events::SocketOutgoingConnectionError, tls::TlsError};
7
8#[derive(Debug)]
9pub struct TcpSocketConnectionEstablished {
10    pub peer_addr: Option<SocketAddr>,
11}
12
13impl InternalEvent for TcpSocketConnectionEstablished {
14    fn emit(self) {
15        if let Some(peer_addr) = self.peer_addr {
16            debug!(message = "Connected.", %peer_addr);
17        } else {
18            debug!(message = "Connected.", peer_addr = "unknown");
19        }
20        counter!("connection_established_total", "mode" => "tcp").increment(1);
21    }
22}
23
24#[derive(Debug)]
25pub struct TcpSocketOutgoingConnectionError<E> {
26    pub error: E,
27}
28
29impl<E: std::error::Error> InternalEvent for TcpSocketOutgoingConnectionError<E> {
30    fn emit(self) {
31        // ## skip check-duplicate-events ##
32        // ## skip check-validity-events ##
33        emit!(SocketOutgoingConnectionError { error: self.error });
34    }
35}
36
37#[derive(Debug)]
38pub struct TcpSocketConnectionShutdown;
39
40impl InternalEvent for TcpSocketConnectionShutdown {
41    fn emit(self) {
42        warn!(message = "Received EOF from the server, shutdown.");
43        counter!("connection_shutdown_total", "mode" => "tcp").increment(1);
44    }
45}
46
47#[cfg(all(unix, feature = "sources-dnstap"))]
48#[derive(Debug)]
49pub struct TcpSocketError<'a, E> {
50    pub(crate) error: &'a E,
51    pub peer_addr: SocketAddr,
52}
53
54#[cfg(all(unix, feature = "sources-dnstap"))]
55impl<E: std::fmt::Display> InternalEvent for TcpSocketError<'_, E> {
56    fn emit(self) {
57        error!(
58            message = "TCP socket error.",
59            error = %self.error,
60            peer_addr = ?self.peer_addr,
61            error_type = error_type::CONNECTION_FAILED,
62            stage = error_stage::PROCESSING,
63        );
64        counter!(
65            "component_errors_total",
66            "error_type" => error_type::CONNECTION_FAILED,
67            "stage" => error_stage::PROCESSING,
68        )
69        .increment(1);
70    }
71}
72
73#[derive(Debug)]
74pub struct TcpSocketTlsConnectionError {
75    pub error: TlsError,
76}
77
78impl InternalEvent for TcpSocketTlsConnectionError {
79    fn emit(self) {
80        match self.error {
81            // Specific error that occurs when the other side is only
82            // doing SYN/SYN-ACK connections for healthcheck.
83            // https://github.com/vectordotdev/vector/issues/7318
84            TlsError::Handshake { ref source }
85                if source.code() == openssl::ssl::ErrorCode::SYSCALL
86                    && source.io_error().is_none() =>
87            {
88                debug!(
89                    message = "Connection error, probably a healthcheck.",
90                    error = %self.error,
91                );
92            }
93            _ => {
94                error!(
95                    message = "Connection error.",
96                    error = %self.error,
97                    error_code = "connection_failed",
98                    error_type = error_type::WRITER_FAILED,
99                    stage = error_stage::SENDING,
100                );
101                counter!(
102                    "component_errors_total",
103                    "error_code" => "connection_failed",
104                    "error_type" => error_type::WRITER_FAILED,
105                    "stage" => error_stage::SENDING,
106                    "mode" => "tcp",
107                )
108                .increment(1);
109            }
110        }
111    }
112}
113
114#[derive(Debug)]
115pub struct TcpSendAckError {
116    pub error: std::io::Error,
117}
118
119impl InternalEvent for TcpSendAckError {
120    fn emit(self) {
121        error!(
122            message = "Error writing acknowledgement, dropping connection.",
123            error = %self.error,
124            error_code = "ack_failed",
125            error_type = error_type::WRITER_FAILED,
126            stage = error_stage::SENDING,
127        );
128        counter!(
129            "component_errors_total",
130            "error_code" => "ack_failed",
131            "error_type" => error_type::WRITER_FAILED,
132            "stage" => error_stage::SENDING,
133            "mode" => "tcp",
134        )
135        .increment(1);
136    }
137}
138
139#[derive(Debug)]
140pub struct TcpBytesReceived {
141    pub byte_size: usize,
142    pub peer_addr: SocketAddr,
143}
144
145impl InternalEvent for TcpBytesReceived {
146    fn emit(self) {
147        trace!(
148            message = "Bytes received.",
149            protocol = "tcp",
150            byte_size = %self.byte_size,
151            peer_addr = %self.peer_addr,
152        );
153        counter!(
154            "component_received_bytes_total", "protocol" => "tcp"
155        )
156        .increment(self.byte_size as u64);
157    }
158}
vector/internal_events/tcp.rs

vector/internal_events/
tcp.rs
