example/upgrade_client.rb in http-2-0.9.1 vs example/upgrade_client.rb in http-2-0.10.0

@@ -32,20 +32,20 @@
   puts "Received frame: #{frame.inspect}"
 end
 
 # upgrader module
 class UpgradeHandler
-  UPGRADE_REQUEST = <<-RESP.freeze
-GET %s HTTP/1.1
-Connection: Upgrade, HTTP2-Settings
-HTTP2-Settings: #{HTTP2::Client.settings_header(settings_max_concurrent_streams: 100)}
-Upgrade: h2c
-Host: %s
-User-Agent: http-2 upgrade
-Accept: */*
+  UPGRADE_REQUEST = <<-RESP.strip_heredoc.freeze
+    GET %s HTTP/1.1
+    Connection: Upgrade, HTTP2-Settings
+    HTTP2-Settings: #{HTTP2::Client.settings_header(settings_max_concurrent_streams: 100)}
+    Upgrade: h2c
+    Host: %s
+    User-Agent: http-2 upgrade
+    Accept: */*
 
-RESP
+  RESP
 
   attr_reader :complete, :parsing
   def initialize(conn, sock)
     @conn = conn
     @sock = sock
@@ -71,13 +71,13 @@
 
   def complete!
     @complete = true
   end
 
-  def on_headers_complete(h)
-    @headers.merge!(h)
-    puts "received headers: #{h}"
+  def on_headers_complete(headers)
+    @headers.merge!(headers)
+    puts "received headers: #{headers}"
   end
 
   def on_body(chunk)
     puts "received chunk: #{chunk}"
     @body << chunk
@@ -142,11 +142,10 @@
     elsif uh.parsing && !uh.complete
       uh << data
     elsif uh.complete
       conn << data
     end
-
-  rescue => e
+  rescue StandardError => e
     puts "#{e.class} exception: #{e.message} - closing socket."
     e.backtrace.each { |l| puts "\t" + l }
     conn.close
     sock.close
   end