Class: WebTools::SessionList

Inherits:
Tool
  • Object
show all
Defined in:
lib/web_tools/session_list.rb

Constant Summary collapse

SECS_PER_DAY = 
86400
SECS_PER_HOUR = 
3600
SECS_PER_MIN = 
60
SECS_PER_SEC = 
1
SessionListLabels =

See System class>>#‘descriptionOfSession:’

[['User', 'UserProfile of the session, or nil if the UserProfile is recently created and not visible from this session''s transactional view, or the session is no longer active.'],
['PID', 'The process ID of the Gem process of the session.'],
['Host', 'The hostname of the machine running the Gem process (a String, limited to 127 bytes).'],
['Prim', 'Primitive number in which the Gem is executing (if it is executing in a long primitive such as MFC).'],
['View Age', 'Time since the session''s most recent beginTransaction, commitTransaction, or abortTransaction.'],
['State', 'The session state (an enum from SesTaskStatusEType in session.ht).'],
['Trans', 'One of the following: ''none'' if the session is in transactionless mode, ''out'' if it is not in a transaction, and ''in'' if it is in a transaction.'],
['Oldest CR', 'A Boolean whose value is true if the session is currently referencing the oldest commit record, and false if it is not.'],
['Serial', 'The session''s serial number. A serial number will not be reused until the stone is restarted.'],
['Session', "The session''s sessionId. The configured maximum is #{Maglev::System.max_session_id} for this stone."],
['GCI IP', 'A String containing the ip address of host running the GCI process. If the GCI application is linked (using libgcilnk*.so or gcilnk*.dll) this ip address is the address of the machine running the gem process.'],
['Priority', 'The priority of the session where 0 is lowest, 2 is normal, and 4 is highest. Session priority is used by the stone to order requests for service by sessions.'],
['Host ID', 'Unique host ID of the host where the session is running.'],
['Quiet', 'Time since the session''s most recent request to stone.'],
['Age', 'Time since the session logged in.'],
['CRB', 'Commit Record Backlog: number of commits which have occurred since the session obtained its view.'],
['Slot', 'The session''s cache process slot number if it is connected to the same shared page cache as Server. A return of nil indicates the session could not be located (so the gem is likely on another host).']]

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Tool

display_name, dont_show!, dont_show?, file_name, inherited, subclasses

Methods included from WebTools::Support::ServiceHelper

included

Class Method Details

.description ⇒ Object 



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# File 'lib/web_tools/session_list.rb', line 6

def self.description
  'Information about current sessions and other processes'
end

Instance Method Details

#format_secs(seconds) ⇒ Object

Format number of seconds like “3 days 12:07:58”



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# File 'lib/web_tools/session_list.rb', line 89

def format_secs(seconds)
  splits = []
  [SECS_PER_DAY, SECS_PER_HOUR, SECS_PER_MIN, SECS_PER_SEC].each do |x|
    splits << seconds / x
    seconds = seconds % x
  end
  days = splits.shift

  ts = "%02d:%02d:%02d" % splits
  days > 0 ? "#{days} #{days == 1 ? 'day' : 'days'} #{ts}" : ts
end

#non_session_list ⇒ Object 



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# File 'lib/web_tools/session_list.rb', line 68

def non_session_list
  begin
    sessions = Maglev::System.current_session_ids.to_a
    slots = []
    1000.times do |slot| # Any number will do, theres a limited number of slots
      ary = Maglev::System.cache_statistics(slot).to_a
      unless sessions.include?(ary[2])
        slots << [slot, ary.first]
      end
    end
  rescue Exception
    return slots
  end
end

#session_list ⇒ Object

Returns a hash of configuration parameters for the stone and the gem. The has has three keys:

+ :timestamp => when the report was generated
+ :headers   => array of [name, description] pairs for the fields
+ :report    => An array of data.  Each entry is an array of the field data.



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# File 'lib/web_tools/session_list.rb', line 51

def session_list
  ts = Time.now
  now = ts.to_i
  session_info = Maglev::System.current_session_ids.map do |id|
    sess_desc = Maglev::System.description_of_session id
    sess_desc[0] = sess_desc[0].instance_variable_get(:@_st_userId) # UserProfile
    sess_desc[3] = '' if sess_desc[3] == 0                          # Primitive?
    sess_desc[4] = format_secs(now - sess_desc[4])                  # View Age
    sess_desc[6] = ['none', 'out', 'in'][sess_desc[6] + 1]          # Transaction
    sess_desc[13] = format_secs(now - sess_desc[13])                # Quiet
    sess_desc[14] = format_secs(now - sess_desc[14])                # Age
    sess_desc
    # sess_cache_slot = Maglev::System.cache_slot_for_sessionid id
  end
  session_info
end