Class: Mongo::URIParser

Inherits:
Object show all
Defined in:
lib/mongo/util/uri_parser.rb

Constant Summary collapse

DEFAULT_PORT = 
27017
MONGODB_URI_MATCHER = 
/(([-.\w]+):([^@]+)@)?([-.\w]+)(:([\w]+))?(\/([-\w]+))?/
MONGODB_URI_SPEC = 
"mongodb://[username:password@]host1[:port1][,host2[:port2],...[,hostN[:portN]]][/database]"
SPEC_ATTRS = 
[:nodes, :auths]
OPT_ATTRS = 
[:connect, :replicaset, :slaveok, :safe, :w, :wtimeout, :fsync]
OPT_VALID = 
{:connect    => lambda {|arg| ['direct', 'replicaset'].include?(arg)},
 :replicaset => lambda {|arg| arg.length > 0},
 :slaveok    => lambda {|arg| ['true', 'false'].include?(arg)},
 :safe       => lambda {|arg| ['true', 'false'].include?(arg)},
 :w          => lambda {|arg| arg =~ /^\d+$/ },
 :wtimeout   => lambda {|arg| arg =~ /^\d+$/ },
 :fsync      => lambda {|arg| ['true', 'false'].include?(arg)}
}
OPT_ERR = 
{:connect    => "must be 'direct' or 'replicaset'",
 :replicaset => "must be a string containing the name of the replica set to connect to",
 :slaveok    => "must be 'true' or 'false'",
 :safe       => "must be 'true' or 'false'",
 :w          => "must be an integer specifying number of nodes to replica to",
 :wtimeout   => "must be an integer specifying milliseconds",
 :fsync      => "must be 'true' or 'false'"
}
OPT_CONV = 
{:connect    => lambda {|arg| arg},
 :replicaset => lambda {|arg| arg},
 :slaveok    => lambda {|arg| arg == 'true' ? true : false},
 :safe       => lambda {|arg| arg == 'true' ? true : false},
 :w          => lambda {|arg| arg.to_i},
 :wtimeout   => lambda {|arg| arg.to_i},
 :fsync      => lambda {|arg| arg == 'true' ? true : false}
}

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(string) ⇒ URIParser

Parse a MongoDB URI. This method is used by Connection.from_uri. Returns an array of nodes and an array of db authorizations, if applicable.

Note: passwords can contain any character except for a ‘,’.



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# File 'lib/mongo/util/uri_parser.rb', line 63

def initialize(string)
  if string =~ /^mongodb:\/\//
    string = string[10..-1]
  else
    raise MongoArgumentError, "MongoDB URI must match this spec: #{MONGODB_URI_SPEC}"
  end

  hosts, opts = string.split('?')
  parse_hosts(hosts)
  parse_options(opts)
  configure_connect
end

Instance Attribute Details

#auths ⇒ Object (readonly)

Returns the value of attribute auths.



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# File 'lib/mongo/util/uri_parser.rb', line 55

def auths
  @auths
end

#connect ⇒ Object (readonly)

Returns the value of attribute connect.



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# File 'lib/mongo/util/uri_parser.rb', line 55

def connect
  @connect
end

#fsync ⇒ Object (readonly)

Returns the value of attribute fsync.



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# File 'lib/mongo/util/uri_parser.rb', line 55

def fsync
  @fsync
end

#nodes ⇒ Object (readonly)

Returns the value of attribute nodes.



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# File 'lib/mongo/util/uri_parser.rb', line 55

def nodes
  @nodes
end

#replicaset ⇒ Object (readonly)

Returns the value of attribute replicaset.



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# File 'lib/mongo/util/uri_parser.rb', line 55

def replicaset
  @replicaset
end

#safe ⇒ Object (readonly)

Returns the value of attribute safe.



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# File 'lib/mongo/util/uri_parser.rb', line 55

def safe
  @safe
end

#slaveok ⇒ Object (readonly)

Returns the value of attribute slaveok.



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# File 'lib/mongo/util/uri_parser.rb', line 55

def slaveok
  @slaveok
end

#w ⇒ Object (readonly)

Returns the value of attribute w.



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# File 'lib/mongo/util/uri_parser.rb', line 55

def w
  @w
end

#wtimeout ⇒ Object (readonly)

Returns the value of attribute wtimeout.



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# File 'lib/mongo/util/uri_parser.rb', line 55

def wtimeout
  @wtimeout
end

Instance Method Details

#connection_options ⇒ Object 



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# File 'lib/mongo/util/uri_parser.rb', line 76

def connection_options
  opts = {}

  if (@w || @wtimeout || @fsync) && !@safe
    raise MongoArgumentError, "Safe must be true if w, wtimeout, or fsync is specified"
  end

  if @safe
    if @w || @wtimeout || @fsync
      safe_opts = {}
      safe_opts[:w] = @w if @w
      safe_opts[:wtimeout] = @wtimeout if @wtimeout
      safe_opts[:fsync] = @fsync if @fsync
    else
      safe_opts = true
    end

    opts[:safe] = safe_opts
  end

  if @slaveok
    if @connect == 'direct'
      opts[:slave_ok] = true
    else
      opts[:read_secondary] = true
    end
  end

  opts[:rs_name] = @replicaset if @replicaset

  opts
end