From de5e022222f62f14eab7569b48f109ac6ed62209 Mon Sep 17 00:00:00 2001
From: Aravinda Vishwanathapura <hallimanearavind@gmail.com>
Date: Mon, 5 Apr 2021 20:35:06 +0530
Subject: [PATCH] New option to set application name (#606)

---
 spec/config_spec.cr | 7 +++++++
 src/kemal.cr        | 6 +++---
 src/kemal/config.cr | 3 ++-
 3 files changed, 12 insertions(+), 4 deletions(-)

diff --git a/spec/config_spec.cr b/spec/config_spec.cr
index 31a8438..daa6849 100644
--- a/spec/config_spec.cr
+++ b/spec/config_spec.cr
@@ -58,4 +58,11 @@ describe "Config" do
   it "gets the version from shards.yml" do
     Kemal::VERSION.should_not be("")
   end
+
+  it "sets application name" do
+    config = Kemal.config
+    config.app_name.should eq "Kemal"
+    config.app_name = "testapp"
+    config.app_name.should eq "testapp"
+  end
 end
diff --git a/src/kemal.cr b/src/kemal.cr
index 5504b5c..6f1a564 100644
--- a/src/kemal.cr
+++ b/src/kemal.cr
@@ -67,11 +67,11 @@ module Kemal
 
   def self.display_startup_message(config, server)
     addresses = server.addresses.join ", " { |address| "#{config.scheme}://#{address}" }
-    log "[#{config.env}] Kemal is ready to lead at #{addresses}"
+    log "[#{config.env}] #{config.app_name} is ready to lead at #{addresses}"
   end
 
   def self.stop
-    raise "Kemal is already stopped." if !config.running
+    raise "#{Kemal.config.app_name} is already stopped." if !config.running
     if server = config.server
       server.close unless server.closed?
       config.running = false
@@ -90,7 +90,7 @@ module Kemal
 
   private def self.setup_trap_signal
     Signal::INT.trap do
-      log "Kemal is going to take a rest!" if Kemal.config.shutdown_message
+      log "#{Kemal.config.app_name} is going to take a rest!" if Kemal.config.shutdown_message
       Kemal.stop
       exit
     end
diff --git a/src/kemal/config.cr b/src/kemal/config.cr
index 2efcd66..4e62d8d 100644
--- a/src/kemal/config.cr
+++ b/src/kemal/config.cr
@@ -24,9 +24,10 @@ module Kemal
     property always_rescue, server : HTTP::Server?, extra_options, shutdown_message
     property serve_static : (Bool | Hash(String, Bool))
     property static_headers : (HTTP::Server::Response, String, File::Info -> Void)?
-    property powered_by_header : Bool = true
+    property powered_by_header : Bool = true, app_name
 
     def initialize
+      @app_name = "Kemal"
       @host_binding = "0.0.0.0"
       @port = 3000
       @env = ENV["KEMAL_ENV"]? || "development"