Add UDP TFTP

1 files changed, 58 insertions, 0 deletions

diff --git a/lib/oxidized/input/tftp b/lib/oxidized/input/tftp
new file mode 100644
index 0000000..bfb69f6
--- /dev/null
+++ b/lib/oxidized/input/tftp
@@ -0,0 +1,58 @@
+module Oxidized
+  require 'net/tftp'
+  require 'timeout'
+  require 'stringio'
+  require_relative 'cli'
+
+  class TFTP < Input
+    RescueFail = {
+      :debug => [
+        #Net::SSH::Disconnect,
+      ],
+      :warn => [
+        #RuntimeError,
+        #Net::SSH::AuthenticationFailed,
+      ],
+    }
+    
+    include Input::CLI
+    
+    # TFTP utilizes UDP, there is not a connection. We simply specify an IP and send/receive data.
+    def connect node
+      @node       = node
+
+      @node.model.cfg['tftp'].each { |cb| instance_exec(&cb) }
+      @log = File.open(Oxidized::Config::Log + "/#{@node.ip}-tftp", 'w') if Oxidized.config.input.debug?
+      @tftp = Net::TFTP.new @node.ip
+    end
+
+    def cmd file
+      Oxidized.logger.info file.methods(true)
+      Oxidized.logger.debug "TFTP: #{file} @ #{@node.name}"
+      config = StringIO.new
+      @tftp.getbinary file, config
+      config.rewind
+      config.read
+    end
+    
+
+    # meh not sure if this is the best way, but perhaps better than not implementing send
+    def send my_proc
+      my_proc.call
+    end
+
+    def output
+      ""
+    end
+
+    private
+
+    def disconnect
+      # TFTP uses UDP, there is no connection to close
+    #rescue Errno::ECONNRESET, IOError
+    ensure
+      @log.close if Oxidized.config.input.debug?
+    end
+
+  end
+end