Class: TargetNode

Inherits:
Object
  • Object
show all
Defined in:
lib/ls4/command/top.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(nid, address, name, rsids, location, fault) ⇒ TargetNode 



89
90
91
92
93
94
95
96
97
98
99
100
 
# File 'lib/ls4/command/top.rb', line 89

def initialize(nid, address, name, rsids, location, fault)
  @nid = nid
  @address = address
  @name = name
  @rsids = rsids
  @location = location
  @fault = fault
  @time = Time.at(0)
  @before_read  = 0
  @before_write = 0
  @futures = []
end

Instance Attribute Details

#nid ⇒ Object (readonly)

Returns the value of attribute nid.



102
103
104
 
# File 'lib/ls4/command/top.rb', line 102

def nid
  @nid
end

Instance Method Details

#refresh_async ⇒ Object 



112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
 
# File 'lib/ls4/command/top.rb', line 112

def refresh_async
  s = $net.get_session(*@address)
  s.timeout = 3
  @futures = []
  @futures[0] = s.call_async(:stat, 'cmd_read')
  @futures[1] = s.call_async(:stat, 'cmd_write')
  @futures[2] = s.call_async(:stat, 'time')
  @futures[3] = s.call_async(:stat, 'db_items')

  now = Time.now
  @elapse = now - @time
  @time = now

  self
end

#refresh_async_get ⇒ Object 



128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
 
# File 'lib/ls4/command/top.rb', line 128

def refresh_async_get
  ar = Array.new(12)
  ar[0] = @nid
  ar[1] = @name
  ar[2] = @address.to_s
  ar[3] = @location
  ar[4] = @rsids.join(',')

  if @fault
    ar[5] = "FAULT node"
    return ar
  end

  begin
    nread    = @futures[0].get
    nwrite   = @futures[1].get
    time     = @futures[2].get
    db_items = @futures[3].get
    psread   = (nread  - @before_read ) / @elapse
    pswrite  = (nwrite - @before_write) / @elapse

    @before_read  = nread
    @before_write = nwrite

    ar[5] = nread
    ar[6] = nwrite
    ar[7] = psread.to_i
    ar[8] = pswrite.to_i
    ar[9] = (psread + pswrite).to_i
    ar[10] = db_items
    ar[11] = time_format(time)

  rescue
    @before_read  = 0
    @before_write = 0
    ar[5] = "error: #{$!.to_s}"
  end

  ar
end

#time_format(t) ⇒ Object 



169
170
171
172
173
174
175
 
# File 'lib/ls4/command/top.rb', line 169

def time_format(t)
  if t
    Time.at(t).strftime(TIME_FORMAT)
  else
    ""
  end
end

#update_info(address, name, rsids, location, fault) ⇒ Object 



104
105
106
107
108
109
110
 
# File 'lib/ls4/command/top.rb', line 104

def update_info(address, name, rsids, location, fault)
  @address = address
  @name = name
  @rsids = rsids
  @location = location
  @fault = fault
end