lib/instana.rb in instana-0.1.0 vs lib/instana.rb in instana-0.8.beta1

@@ -1,13 +1,46 @@
-require "instana/version"
-require "instana/agent"
+
 require 'logger'
+require "instana/version"
+require "instana/util"
 
 module Instana
   class << self
     attr_accessor :agent
+    attr_accessor :collectors
+    attr_accessor :config
     attr_accessor :logger
+    attr_accessor :pid
+
+    ##
+    # start
+    #
+    # Initialize the Instana language agent
+    #
+    def start
+      Instana.agent = Instana::Agent.new
+      Instana.collectors = []
+      Instana.logger = Logger.new(STDOUT)
+      Instana.logger.info "Stan is on the scene.  Starting Instana instrumentation."
+
+      # Store the current pid so we can detect a potential fork
+      # later on
+      Instana.pid = Process.pid
+    end
+
+    def pid_change?
+      @pid != Process.pid
+    end
   end
 end
 
-Instana.agent = Instana::Agent.new
-Instana.logger = Logger.new(STDOUT)
+require "instana/config"
+require "instana/agent"
+
+::Instana.start
+
+if ::Instana.agent.host_agent_ready?
+  ::Instana.agent.announce_sensor
+  require "instana/collectors"
+else
+  ::Instana.logger.info "Instana host agent not available.  Going to sit in a corner quietly."
+end