From bc04072acfa5b12daa19578a309ca6a998268ac4 Mon Sep 17 00:00:00 2001
From: Mandar Chitre <mandar@nus.edu.sg>
Date: Fri, 22 Mar 2024 11:14:00 +0800
Subject: [PATCH] fix(gw): add checks on sock being nothing

---
 Project.toml | 2 +-
 src/gw.jl    | 5 +++--
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/Project.toml b/Project.toml
index 3e5cb99..af570a3 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,7 +1,7 @@
 name = "Fjage"
 uuid = "e0fd600c-be67-11e9-1f90-d366689e4029"
 authors = ["Mandar Chitre <mandar@nus.edu.sg>"]
-version = "0.5.0"
+version = "0.5.1"
 
 [deps]
 Base64 = "2a0f44e3-6c83-55bd-87e4-b1978d98bd5f"
diff --git a/src/gw.jl b/src/gw.jl
index 9c1d265..675ff94 100644
--- a/src/gw.jl
+++ b/src/gw.jl
@@ -45,6 +45,7 @@ Get the name of the gateway.
 name(gw::Gateway) = gw.agentID.name
 
 function _println(sock, s)
+  sock === nothing && return
   @debug ">> $s"
   try
     println(sock, s)
@@ -79,7 +80,7 @@ _agents_types(gw::Gateway) = [(gw.agentID.name, "Gateway")]
 _subscriptions(gw::Gateway) = gw.subscriptions
 _services(gw::Gateway) = String[]
 _agentsforservice(gw::Gateway, svc) = String[]
-_onclose(gw::Gateway) = close(gw.sock[])
+_onclose(gw::Gateway) = gw.sock[] === nothing || close(gw.sock[])
 _shutdown(gw::Gateway) = close(gw)
 _alive(gw::Gateway) = nothing
 
@@ -218,7 +219,7 @@ end
 function Base.close(gw::Gateway)
   gw.reconnect[] = false
   _println(gw.sock[], "{\"alive\": false}")
-  close(gw.sock[])
+  gw.sock[] === nothing || close(gw.sock[])
   nothing
 end