From 99568190f6e13a381830f397a492896045610fff Mon Sep 17 00:00:00 2001
From: Jordan Hall <jordan@hall05.co.uk>
Date: Wed, 7 Aug 2019 21:27:34 +0100
Subject: [PATCH] Throw exception if there is a connection error

---
 src/SSHConnection.php | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/SSHConnection.php b/src/SSHConnection.php
index 67618fb..9b5ec66 100644
--- a/src/SSHConnection.php
+++ b/src/SSHConnection.php
@@ -68,6 +68,10 @@ public function connect(): self
 
         $this->resource = ssh2_connect($this->hostname, $this->port);
 
+        if (!$this->resource) {
+            throw new RuntimeException('Error connecting to server.');
+        }
+
         if ($this->publicKeyPath || $this->privateKeyPath) {
             $authenticated = ssh2_auth_pubkey_file($this->resource, $this->username, $this->publicKeyPath, $this->privateKeyPath);
             if (!$authenticated) {