diff options
| -rwxr-xr-x | bin/multi-ping | 58 | ||||
| -rw-r--r-- | lib/custodian/multiping.rb | 94 |
2 files changed, 106 insertions, 46 deletions
diff --git a/bin/multi-ping b/bin/multi-ping index ab81d86..03eadca 100755 --- a/bin/multi-ping +++ b/bin/multi-ping @@ -31,7 +31,7 @@ require 'getoptlong' -require 'socket' +require 'custodian/multiping' @@ -93,13 +93,15 @@ end + # # Get the address to ping. # hostname = ARGV.shift + # -# If we have no host then abort +# Abort if we don't have a hostname # if ( hostname.nil? ) puts "Usage: #{$0} hostname" @@ -107,55 +109,19 @@ if ( hostname.nil? ) end -# -# The IP we'll deal with -# -ip = nil - # -# Lookup the IP, catching any exception +# Create the object # -begin - Socket.getaddrinfo(hostname, 'echo').each do |a| - ip = a[3] - end -rescue SocketError - puts "Failed to resolve: #{hostname}" - exit 1 -end +helper = MultiPing.new( hostname ) # -# Was the result an IPv4 address? +# Ping the host, via the helper # -if ( ip =~ /^([0-9]+).([0-9]+).([0-9]+).([0-9]+)$/ ) - - # - # If so invoke "ping" - # - if ( system( "ping -c 1 #{ip} 2>/dev/null >/dev/null" ) == true ) - puts "#{hostname} alive." - exit 0 - else - puts "ping4 failed - #{hostname} [#{ip}]" - exit 1 - end -elsif ( ip =~ /2001/ ) - - # - # Was the result an IPv6 address? - # - if ( system( "ping6 -c 1 -w1 #{ip} 2>/dev/null >/dev/null" ) == true ) - puts "#{hostname} alive." - exit 0 - else - puts "ping6 failed - #{hostname} [#{ip}]" - exit 1 - end +if ( helper.run_ping() ) + puts "#{hostname} - #{helper.address} - is alive." + exit 0 +else + exit 1 end - - -# -# All done. -# diff --git a/lib/custodian/multiping.rb b/lib/custodian/multiping.rb new file mode 100644 index 0000000..adb246e --- /dev/null +++ b/lib/custodian/multiping.rb @@ -0,0 +1,94 @@ + +require 'getoptlong' +require 'socket' + + + +class MultiPing + + # + # The hostname we'll ping, and the resolved address. + # + attr_reader :hostname, :resolved + + def initialize( hostname ) + @hostname = hostname + @resolved = resolve_hostname( hostname ) + end + + + # + # + # + def resolve_hostname( hostname ) + res = nil + + begin + Socket.getaddrinfo(hostname, 'echo').each do |a| + res = a[3] + end + rescue SocketError + end + + res + end + + + + # + # Return the resolved address + # + def address + @resolved + end + + + + # + # Does the hostname resolve to an IPv4 address? + # + def is_ipv4? + if ( ( ! @resolved.nil? ) && ( @resolved =~ /^([0-9]+).([0-9]+).([0-9]+).([0-9]+)$/ ) ) + true + else + false + end + end + + + # + # Does the hostname resolve to an IPv6 address? + # + def is_ipv6? + if ( ( ! @resolved.nil? ) && ( @resolved =~ /^2001/ ) ) + true + else + false + end + end + + + + # + # Run the ping - if it succeeds return "true". + # + # Return false on error. + # + def run_ping + if ( is_ipv6? ) + if ( system( "ping6 -c 1 #{@resolved} 2>/dev/null >/dev/null" ) == true ) + return true + end + elsif( is_ipv4? ) + if ( system( "ping -c 1 #{@resolved} 2>/dev/null >/dev/null" ) == true ) + return true + end + else + puts "ERROR: Resolved to neither an IPv6 or IPv4 address." + end + return false + end + + +end + |