From d1c7cf66df295082bbff9647aa7a89905e1d172b Mon Sep 17 00:00:00 2001
From: Jeremy Lucas <me@jerluc.com>
Date: Mon, 1 Apr 2024 12:54:55 -0700
Subject: [PATCH] [Bugfix] Fixes a bug where tilenol writes to a disconnected
 client

---
 server.go | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/server.go b/server.go
index 93ab148..7833d91 100644
--- a/server.go
+++ b/server.go
@@ -2,6 +2,7 @@ package tilenol
 
 import (
 	"context"
+	"errors"
 	"fmt"
 	"io"
 	"log"
@@ -9,6 +10,7 @@ import (
 	"net/url"
 	"strconv"
 	"strings"
+	"syscall"
 
 	"github.com/go-chi/chi"
 	"github.com/go-chi/chi/middleware"
@@ -383,6 +385,11 @@ func (s *Server) getVectorTile(w http.ResponseWriter, r *http.Request) {
 
 // handleError is a helper function to generate a generic tile server error response
 func (s *Server) handleError(err error, w http.ResponseWriter, r *http.Request) {
+	// Don't attempt to handle broken pipe errors (no one's listening on the other side!)
+	if errors.Is(err, syscall.EPIPE) {
+		return
+	}
+
 	var errCode int
 	switch err.(type) {
 	case InvalidRequestError: