Module: DATA

Included in:
Check, Log, MyTest
Defined in:
lib/common/socket/data.rb

Overview

这个类是数据相关服务的顶层接口，提供本机/远程数据相关服务e.g. compare file contents, get file match pattern’s times…

Author

chenjie

Date

2009-4-30

Instance Method Summary collapse

Instance Method Details

#_init_file_(filepath) ⇒ Object

功能:

模块测试的时候的helper文件的load策略

参数解释:

  • filepath: 运行的case文件的路径，从__FILE__获取

Example:

内部使用



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# File 'lib/common/socket/data.rb', line 23

def _init_file_(filepath)
=begin 以下的内容取消,由init_dir.rb实现
  module_dir = `dirname #{filepath}`
  module_base = "module"
  module_helper_name = module_dir.chop!+"/"+module_base+"_helper.rb"
  filepath.gsub(/.rb/, "")
  case_helper_name = filepath+"_helper.rb"
  if(File.exist?(module_helper_name))
    require "#{module_helper_name}"
  end
  if(File.exist?(case_helper_name))
    require "#{case_helper_name}"
  end
=end

  case_pwd = `pwd`
  case_pwd_case = `basename #{case_pwd}`
  case_pwd.gsub!(/#{case_pwd_case}/, "")
  case_pwd_module = `basename #{case_pwd}`
  Context.set(:MODULE_NAME, case_pwd_module.chop!)
  Context.set(:CASE_NAME, case_pwd_case.chop!)
end

#file_exist?(host, file_path, user = USERNAME, password = PASSWORD) ⇒ Boolean

功能

指定机器、文件路径的文件是否存在Return true if the named file exists.

example

file_exist? host, path



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# File 'lib/common/socket/data.rb', line 330

def file_exist? host, file_path, user=USERNAME, password=PASSWORD
  if Util.is_localhost? host then
          return DataHelper.file_exist? file_path
      else
          #lib_path = Util.get_lib_path host
          #res = Util.exe_ssh_cmd! host, "cd #{lib_path} && ruby data_helper.rb file_exist? #{file_path}"
          #return res.strip.chomp
    res = Util.exe_ssh_cmd! host, "if [ -f #{file_path} ];then echo true; else echo false; fi", user, password
    return res.strip.chomp
        end
end

#file_match?(filename, pattern) ⇒ Boolean

功能

whether the file content match the specified pattern

参数

  • filename, pattern

return: true if the file content match the pattern, false if not

example

file_match? file1, “time”



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# File 'lib/common/socket/data.rb', line 231

def file_match?(filename, pattern)
    return false if !File.exists?(filename)
        open(filename, 'r:gbk').each{|line|
          mdata = line.scan(pattern)
          if mdata.size > 0 then 
            return true
          end
        }

    return false
end

#file_match_times(filename, pattern) ⇒ Object

功能

文件内容match正则串的次数return: int, the match times

exmaple

times = file_match_times file1, “time”



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# File 'lib/common/socket/data.rb', line 248

def file_match_times(filename, pattern)
  return 0 if !File.exists?(filename)
  
  times = 0
  open(filename, 'r:gbk').each{|line|
    mdata = line.scan(pattern)
    if mdata.size > 0 then 
      times += mdata.size
    end
  }
  
  return times
end

#file_size?(host, file_path, user = USERNAME, password = PASSWORD) ⇒ Boolean

功能

获取文件大小Returns nil if file_name doesn’t exist or has zero size, the size of the file otherwise.

example

file_size? host, filepath



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# File 'lib/common/socket/data.rb', line 347

def file_size? host, file_path, user=USERNAME, password=PASSWORD
  if Util.is_localhost? host then
          return DataHelper.file_size? file_path
        else
          #lib_path = Util.get_lib_path host
          #res = Util.exe_ssh_cmd! host, "cd #{lib_path} && ruby data_helper.rb file_size? #{file_path}"
          #return res.strip.chomp.to_i
    res = Util.exe_ssh_cmd! host, "ls -l #{file_path} |awk -F\" \" '{print $5}'", user, password
    return res.strip.chomp.to_i
        end
end

#get_all_pack(data_path, suffix = ".send") ⇒ Object

功能

get all data prefix(packno)

参数

  • data_path

return packno array

example

datas = get_all_pack data_path



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# File 'lib/common/socket/data.rb', line 52

def get_all_pack(data_path, suffix=".send")
  #param check
  if !File.directory?(data_path) || !File.exist?(data_path) then
    $log.error "bad data_path=" + data_path
    return
  end
  
  datas = Array.new
  Dir.foreach(data_path) do |entry|
    if entry.match("#{suffix}$") then
      packno = entry[0, entry.size-suffix.length]
      datas.push(packno)
    end
  end
  
  return datas.sort
end

#get_mcpack_value(filename, key, index = 1) ⇒ Object

功能

根据给定的mcpack key值获取value

参数

  • filename: 文件名

  • key: mcpack key

  • index: 匹配的key的index

Return the value according to the key, nil if nothing found

example

value = get_mcpack_value file1, “name”



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# File 'lib/common/socket/data.rb', line 271

def get_mcpack_value filename, key, index=1
  return nil if !File.exists? filename
  
  #build the mcpack string
  mcstr = ""
  open(filename, 'r:gbk').each{|line|
    mcstr += line.strip.chomp
  }
  
  #pattern = /("#{key}":[^,\}]*)/
  pattern = [/"#{key}":([^{][^,\}]*)/, /#{key}:([^{][^,\}]*)/]
  #pattern = /#{key}:([^,\}]*)| "#{key}":([^,\}]*)|#{key}:({[^,]*})|"#{key}":({[^,]*})/
  #mdata = mcstr.scan pattern
  mdata = Array.new
  pattern.each{|line|
    mdata+=mcstr.scan line
  }
  
  if index > mdata.size
    return nil
  else
    return mdata[index-1][0]
  end
end

#include_file_str(p1, p2) ⇒ Object

include_file_str(file1, file2)



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# File 'lib/common/socket/data.rb', line 161

def include_file_str p1, p2
  return false if File.exists?(p1) != File.exists?(p2)
  return true if !File.exists?(p1)
  return true if File.expand_path(p1) == File.expand_path(p2)
  return false if File.ftype(p1) != File.ftype(p2)
      
  str1 = ""
  open(p1, 'r:gbk').each{|line|
    str1 += line.strip.chomp
  }
  str2 = ""
  open(p2, 'r:gbk').each{|line|
    str2 += line.strip.chomp
  }
  
  minclude = str2.scan(str1)
  if minclude.size > 0 then
    return true
  end
  return false
end

#same_content_value(p1, p2) ⇒ Object

Example:

same_content_value(file1, file2)



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# File 'lib/common/socket/data.rb', line 110

def same_content_value(p1, p2)
  return false if File.exists?(p1) != File.exists?(p2)
  return true if !File.exists?(p1)
  return true if File.expand_path(p1) == File.expand_path(p2)
  return false if File.ftype(p1) != File.ftype(p2) || File.size(p1) != File.size(p2)

  str1 = ""
  open(p1, 'r:gbk').each{|line|
    str1 += line.strip.chomp
  }
  str2 = ""
  open(p2, 'r:gbk').each{|line|
    str2 += line.strip.chomp
  }

  pattern = /"content":(.*)}/
  content1 = str1.scan pattern
  content2 = str2.scan pattern

  return content1 == content2
end

#same_file_contents(p1, p2) ⇒ Object

功能

compare two files contents

参数

  • p1 filename 1

  • p2 filename 2

Logic

1. if p1 exists and p2 not exists, return false
2. if both not exist, return true
3. same file ,return true
4. type or size different, return false
5. then compare content

example

same_file_contents file1, file2



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# File 'lib/common/socket/data.rb', line 86

def same_file_contents(p1, p2)
  return false if File.exists?(p1) != File.exists?(p2)
  return true if !File.exists?(p1)
  return true if File.expand_path(p1) == File.expand_path(p2)
  return false if File.ftype(p1) != File.ftype(p2) || File.size(p1) != File.size(p2)
  
  #compare content
  open(p1) do |f1|
    open(p2) do |f2|
      blocksize = f1.lstat.blksize
      same = true
      while same && !f1.eof && !f2.eof?
        same = f1.read(blocksize) == f2.read(blocksize)
      end
      return same
    end
  end
end

#same_file_md5(p1, p2) ⇒ Object

功能

compare two files md5

参数

  • p1 filename 1

  • p2 filename 2

Logic

1. if p1 exists and p2 not exists, return false
2. if both not exist, return true
3. same file ,return true
4. type or size different, return false
5. then compare md5

example

same_file_md5 file1, file2



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# File 'lib/common/socket/data.rb', line 198

def same_file_md5(p1, p2)
        return false if File.exists?(p1) != File.exists?(p2)
        return true if !File.exists?(p1)
        return true if File.expand_path(p1) == File.expand_path(p2)
  puts p1
  puts p2
  puts File.ftype(p1)
  puts File.ftype(p2)
  puts File.size(p1)
  puts File.size(p2)
        return false if File.ftype(p1) != File.ftype(p2) || File.size(p1) != File.size(p2)

    #compare md5
        md5 = `md5sum #{p1}`.split("  ")[0]
        md6 = `md5sum #{p2}`.split("  ")[0]
  puts md5
  puts md6
  
        if md5 == md6 then 
          return true
      else 
          return false
        end
end

#same_file_str(p1, p2) ⇒ Object

same_file_str(file1, file2)



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# File 'lib/common/socket/data.rb', line 138

def same_file_str p1, p2
  return false if File.exists?(p1) != File.exists?(p2)
  return true if !File.exists?(p1)
  return true if File.expand_path(p1) == File.expand_path(p2)
  return false if File.ftype(p1) != File.ftype(p2)
      
  str1 = ""
  open(p1, 'r:gbk').each{|line|
    str1 += line.strip.chomp
  }
  str2 = ""
  open(p2, 'r:gbk').each{|line|
    str2 += line.strip.chomp
  }
  
  return str1 == str2
end