From 5a62d69913f0c4cc4bf72a3ae78db6597730fd30 Mon Sep 17 00:00:00 2001
From: Deon George <deon@dege.au>
Date: Thu, 10 Aug 2023 11:08:55 +1000
Subject: [PATCH] When reading from remote with a timeout, return NULL if
 nothing received

---
 app/Classes/Sock/SocketClient.php | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/app/Classes/Sock/SocketClient.php b/app/Classes/Sock/SocketClient.php
index dfb6204..3c93bd9 100644
--- a/app/Classes/Sock/SocketClient.php
+++ b/app/Classes/Sock/SocketClient.php
@@ -284,10 +284,10 @@ final class SocketClient {
 	 *
 	 * @param int $timeout How long to wait for data
 	 * @param int $len The amount of data we want
-	 * @return string
+	 * @return string|null
 	 * @throws SocketException
 	 */
-	public function read(int $timeout,int $len=1024): string
+	public function read(int $timeout,int $len=1024): ?string
 	{
 		// We have data in our buffer
 		if ($this->rx_left >= $len) {
@@ -301,7 +301,7 @@ final class SocketClient {
 		}
 
 		if ($timeout AND ($this->hasData($timeout) === 0))
-			return '';
+			return NULL;
 
 		$buf = '';