Class: SekkaServer::Server

Inherits:
Object
  • Object
show all
Defined in:
lib/sekkaserver.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Server

Returns a new instance of Server.



48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
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
168
169
170
171
172
173
174
175
176
 
# File 'lib/sekkaserver.rb', line 48

def initialize
  $LOAD_PATH.push( File.dirname(__FILE__) + "/../lib" )
  @core = Nendo::Core.new()
  @core.loadInitFile
  @core.disableRuntimeCheck( )
  begin
    require 'syslog'
    @core.evalStr( "(use debug.syslog)" )
  rescue LoadError
    STDERR.printf( "Sekka Warning: this platform does not support 'syslog'...\n" )
    @core.evalStr( "(use debug.null)" )
  end
  @core.evalStr( "(use sekka.henkan)" )
  @core.evalStr( '(define (writeToString sexp) (write-to-string sexp))' )
  @core.evalStr( '(export-to-ruby writeToString)' )
  @core.evalStr( "(use rfc.json)" )
  @core.evalStr( '(define (constructJsonString sexp) (construct-json-string sexp))' )
  @core.evalStr( '(export-to-ruby constructJsonString)' )
  (@kvs,@initialCachesv) = @core.openSekkaJisyo( SekkaServer::Config.dictType,
                                                  SekkaServer::Config.dictSource,
                                                  SekkaServer::Config.cacheSource )

  # connection check to memcached
  fail_message = "sekka-server: failed to access memcached.\n"
  begin
    @core.flushCacheServer(@initialCachesv)
  rescue MemCache::MemCacheError
    STDERR.printf(fail_message)
    exit(1)
  rescue Timeout
    STDERR.printf(fail_message)
    exit(1)
  rescue SocketError
    STDERR.printf(fail_message)
    exit(1)
  rescue Errno::ECONNREFUSED
    STDERR.printf(fail_message)
    exit(1)
  end
  
  @cachesv = @initialCachesv
  @downTime = DateTime.now
  
  version = @kvs.get( "SEKKA:VERSION" )
  if not SekkaVersion.dictVersion == version
    STDERR.printf(   "Sekka Error: require dict version [%s] but got [%s].\n", SekkaVersion.dictVersion, version )
    exit( 1 )
  end

  @queue = EM::Queue.new
  @mutex = Mutex.new

  STDERR.puts(   "----- Sekka Server Started -----" )
  STDERR.printf( "  Sekka version  : %s\n", SekkaVersion.version            )
  STDERR.printf( "  Nendo version  : %s\n", Nendo::Core.version             )
  STDERR.printf( "  dict  version  : %s\n", SekkaVersion.dictVersion        )
  STDERR.printf( "  dict-type      : %s\n", SekkaServer::Config.dictType    )
  STDERR.printf( "  dict-db        : %s\n", SekkaServer::Config.dictSource  )
  STDERR.printf( "  listenPort     : %s\n", SekkaServer::Config.listenPort  )
  STDERR.printf( "  proxyHost      : %s\n", SekkaServer::Config.proxyHost   )
  STDERR.printf( "  proxyPort      : %s\n", SekkaServer::Config.proxyPort   )
  STDERR.printf( "  maxQueryLength : %s\n", SekkaServer::Config.maxQueryLength )
  STDERR.puts(   "--------------------------------" )

  begin
    @thread = Thread.new do
      Thread.pass
      EventMachine::run {
        d = DateTime.now
        EventMachine::PeriodicTimer.new( 1 ) do
          if not @queue.empty?
            @queue.pop { |word|
              arr = word.split( /[ ]+/ )
              command   = arr[0]
              userid    = arr[1]
              @mutex.synchronize {
                case command
                when 'r' # register
                  dictline =
                    if 4 == arr.size
                      arr[2] + " " + arr[3]
                    else
                      ";; comment"
                    end
                  STDERR.puts "Info: processing  [register(" + dictline + ") on " + userid + "] batch command... "
                  begin
                    registered = @core.registerUserJisyo(userid, @kvs, dictline)
                  rescue Exception => e
                    STDERR.puts "Error: missing [register(" + dictline + ")] batch command... [" + e.message + "]"
                  end
                  if registered
                    str = d.strftime( "%D %X" )
                    STDERR.puts "ADDED " + str
                    @core.flushCacheServer( @cachesv )
                  else
                    STDERR.puts "ignored"
                  end
                when 'k' # kakutei
                  arr = word.split( /[ ]+/ )
                  _key   = arr[2]
                  _tango = arr[3]
                  STDERR.puts "Info: processing  [kakutei(" + _tango + ")] batch command..."
                  begin
                    @core.sekkaKakutei( userid, @kvs, @cachesv, _key, _tango )
                  rescue Exception => e
                    STDERR.puts "Error: missing   [kakutei(" + _tango + ")] batch command... [" + e.message + "]"
                  end
                  STDERR.printf( "Info: kakutei [%s:%s] \n", _key, _tango )
                when 'f' # flush
                  STDERR.puts "Info: processing [flush] batch command..."
                  begin
                    n = @core.flushUserJisyo( userid, @kvs )
                  rescue Exception => e
                    STDERR.puts "Error: missing [flush] batch command... [" + e.message + "]"
                  end
                  @core.flushCacheServer( @cachesv )
                  STDERR.printf( "info : flush [%s] user's dict %d entries. \n", userid, n )
                end
              }
            }
          end
        end
      }
    end
    @thread.run
  rescue Exception => e
    STDERR.puts "Error: " + e.message  # => "unhandled exception"
  end
end

Instance Method Details

#call(env) ⇒ Object 



178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
 
# File 'lib/sekkaserver.rb', line 178

def call(env)
  req = Rack::Request.new(env)

  body = case req.request_method
         when 'GET'
           execGetMethod(req)
         when 'POST'
           if !req.params.has_key?('userid')
             str = "Err: parameter 'userid' required"
             STDERR.puts str
             @core.writeToString( str )
           elsif !req.params.has_key?('format')
             str = "Err: parameter 'format' required"
             STDERR.puts str
             @core.writeToString( str )
           else
             execPostMethod(req)
           end
         else
           "no message."        
         end
  res = Rack::Response.new { |r|
    r.status = 200
    r['Content-Type'] = "text/plain"
    r.write body
  }
  res.finish
end

#execGetMethod(req) ⇒ Object 



207
208
209
210
211
212
 
# File 'lib/sekkaserver.rb', line 207

def execGetMethod(req)
  case req.path
  when "/status"
    "OK"
  end
end

#execPostMethod(req) ⇒ Object 



218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
 
# File 'lib/sekkaserver.rb', line 218

def execPostMethod(req)
             
  userid = URI.decode( req.params['userid'].force_encoding("UTF-8") )
  format = URI.decode( req.params['format'].force_encoding("UTF-8") )
  case req.path
  when "/henkan"
    _yomi    = URI.decode( req.params[  'yomi'].force_encoding("UTF-8") )
    _limit   = URI.decode( req.params[ 'limit'].force_encoding("UTF-8") )
    _method  = URI.decode( req.params['method'].force_encoding("UTF-8") )
    _orRedis = if :redis == SekkaServer::Config.dictType then "or Redis-server" else "" end
    @mutex.synchronize {
      begin
        if SekkaServer::Config.maxQueryLength < _yomi.size
          result = sprintf( "sekka-server: query string is too long (over %d character length)", SekkaServer::Config.maxQueryLength )
        else
          if isJson(format)
            obj = @core.sekkaHenkan( userid, @kvs, @cachesv, _yomi, _limit.to_i, _method, false )
            @core.constructJsonString(obj)
          else
            obj = @core.sekkaHenkan( userid, @kvs, @cachesv, _yomi, _limit.to_i, _method, true )
            @core.writeToString(obj)
          end
        end
      rescue MemCache::MemCacheError
        result = "sekka-server: memcached server is down (or may be offline)"
      rescue Timeout
        result = "sekka-server: Timeout to request memcached server #{_orRedis} (or may be offline)"
      rescue SocketError
        result = "sekka-server: SocketError to request memcached server #{_orRedis} (or may be offline)"
      rescue Errno::ECONNREFUSED
        result = "sekka-server: ConnectionRefused to request memcached server #{_orRedis} (or may be offline)"
      end
    }
  when "/kakutei"
    _key    = URI.decode( req.params[   'key'].force_encoding("UTF-8") )
    _tango  = URI.decode( req.params[ 'tango'].force_encoding("UTF-8") )
    @queue.push( 'k ' + userid + " " + _key + " " + _tango )
    if isJson(format)
      sprintf("{}")
    end
  when "/register"
    dict    = URI.decode( req.params['dict'].force_encoding( "UTF-8" ) ).split( "\n" )
    dict.each { |x|
      @queue.push( 'r ' + userid + " " + x )
    }
    sprintf( "sekka-server:register request (%s) words added, current-queue-size (%s)", dict.size, @queue.size )
  when "/flush"
    @queue.push( 'f ' + userid )
    sprintf( "sekka-server:flush request successful." )
  when "/googleime"
    _yomi   = URI.decode( req.params[  'yomi'].force_encoding("UTF-8") )
    printf( "info : google-ime request [%s]\n", _yomi )
    result = "sekka-server: google-ime error"
    begin
      result = @core.googleIme( _yomi,
                                SekkaServer::Config.proxyHost,
                                SekkaServer::Config.proxyPort )
    rescue Timeout
      result = "sekka-server: Timeout to request google-ime (may be offline)"
    rescue SocketError
      result = "sekka-server: SocketError to request google-ime (may be offline)"
    rescue Errno::ECONNREFUSED
      result = "sekka-server: ConnectionRefused to request google-ime (or may be offline)"
    end
    @core.writeToString( result )
  else
    sprintf( "sekka-server:unknown path name. [%s]", req.path )
  end
end

#isJson(format) ⇒ Object 



214
215
216
 
# File 'lib/sekkaserver.rb', line 214

def isJson(format)
  return "json" == format.downcase
end