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: / opt / td-agent / embedded / lib / ruby / gems / 2.1.0 / gems / thrift-0.8.0 / lib / thrift /
Filename : client.rb
back
# 
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
# 
#   http://www.apache.org/licenses/LICENSE-2.0
# 
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
# 

module Thrift
  module Client
    def initialize(iprot, oprot=nil)
      @iprot = iprot
      @oprot = oprot || iprot
      @seqid = 0
    end

    def send_message(name, args_class, args = {})
      @oprot.write_message_begin(name, MessageTypes::CALL, @seqid)
      data = args_class.new
      args.each do |k, v|
        data.send("#{k.to_s}=", v)
      end
      begin
        data.write(@oprot)
      rescue StandardError => e
        @oprot.trans.close
        raise e
      end
      @oprot.write_message_end
      @oprot.trans.flush
    end

    def receive_message(result_klass)
      fname, mtype, rseqid = @iprot.read_message_begin
      handle_exception(mtype)
      result = result_klass.new
      result.read(@iprot)
      @iprot.read_message_end
      result
    end

    def handle_exception(mtype)
      if mtype == MessageTypes::EXCEPTION
        x = ApplicationException.new
        x.read(@iprot)
        @iprot.read_message_end
        raise x
      end
    end
  end
end