syntax = "proto3";
option go_package = "github.com/coder/coder/v2/agent/boundarylogproxy/codec";

package coder.boundarylogproxy.codec.v1;

import "agent/proto/agent.proto";

// BoundaryMessage is the envelope for all TagV2 messages sent over the
// boundary <-> agent unix socket. TagV1 carries a bare
// ReportBoundaryLogsRequest for backwards compatibility; TagV2 wraps
// everything in this envelope so the protocol can be extended with new
// message types without adding more tags.
message BoundaryMessage {
	oneof msg {
		coder.agent.v2.ReportBoundaryLogsRequest logs = 1;
		BoundaryStatus status = 2;
	}
}

// BoundaryStatus carries operational metadata from boundary to the agent.
// The agent records these values as Prometheus metrics. This message is
// never forwarded to coderd.
message BoundaryStatus {
	// Logs dropped because boundary's internal channel buffer was full.
	int64 dropped_channel_full = 1;
	// Logs dropped because boundary's batch buffer was full after a
	// failed flush attempt.
	int64 dropped_batch_full = 2;
}