Class: OverSIP::SIP::UacRequest

Inherits:
Object
  • Object
show all
Defined in:
lib/oversip/sip/uac_request.rb

Constant Summary collapse

DEFAULT_MAX_FORWARDS = 
"20"
DEFAULT_FROM = 
"\"OverSIP #{::OverSIP::VERSION}\" <sip:[email protected]>"

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(data, extra_headers = [], body = nil) ⇒ UacRequest

Returns a new instance of UacRequest.



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# File 'lib/oversip/sip/uac_request.rb', line 14

def initialize data, extra_headers=[], body=nil
  unless (@sip_method = data[:sip_method])
    raise ::OverSIP::RuntimeError, "no data[:sip_method] given"
  end
  unless (ruri = data[:ruri])
    raise ::OverSIP::RuntimeError, "no data[:ruri] given"
  end

  case ruri
  when ::OverSIP::SIP::Uri, ::OverSIP::SIP::NameAddr
    @ruri = ruri
  when ::String
    @ruri = OverSIP::SIP::Uri.parse ruri
  else
    raise ::OverSIP::RuntimeError, "invalid URI #{ruri.inspect}"
  end

  @from = data[:from] || DEFAULT_FROM
  @from_tag = data[:from_tag] || ::SecureRandom.hex(4)
  @to = data[:to] || @ruri
  @call_id = data[:call_id] || ::SecureRandom.hex(8)
  @cseq = data[:cseq] || rand(1000)
  @max_forwards = data[:max_forwards] || DEFAULT_MAX_FORWARDS

  @headers = {}
  @extra_headers = extra_headers

  @body = body

  @antiloop_id = ::OverSIP::SIP::Tags.create_antiloop_id(self)
  @via_branch_id = ::SecureRandom.hex(4)
end

Instance Attribute Details

#antiloop_id ⇒ Object (readonly)

Returns the value of attribute antiloop_id.



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# File 'lib/oversip/sip/uac_request.rb', line 9

def antiloop_id
  @antiloop_id
end

#body ⇒ Object (readonly)

Returns the value of attribute body.



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# File 'lib/oversip/sip/uac_request.rb', line 8

def body
  @body
end

#call_id ⇒ Object (readonly)

Returns the value of attribute call_id.



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# File 'lib/oversip/sip/uac_request.rb', line 8

def call_id
  @call_id
end

#cseq ⇒ Object (readonly)

Returns the value of attribute cseq.



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# File 'lib/oversip/sip/uac_request.rb', line 8

def cseq
  @cseq
end

#from ⇒ Object (readonly)

Returns the value of attribute from.



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# File 'lib/oversip/sip/uac_request.rb', line 8

def from
  @from
end

#from_tag ⇒ Object (readonly)

Returns the value of attribute from_tag.



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# File 'lib/oversip/sip/uac_request.rb', line 8

def from_tag
  @from_tag
end

#routes ⇒ Object (readonly)

Always nil (needed for OverSIP::SIP::Tags.create_antiloop_id().



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# File 'lib/oversip/sip/uac_request.rb', line 10

def routes
  @routes
end

#ruri ⇒ Object (readonly)

Returns the value of attribute ruri.



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# File 'lib/oversip/sip/uac_request.rb', line 8

def ruri
  @ruri
end

#sip_method ⇒ Object (readonly)

Returns the value of attribute sip_method.



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# File 'lib/oversip/sip/uac_request.rb', line 8

def sip_method
  @sip_method
end

#to ⇒ Object (readonly)

Returns the value of attribute to.



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# File 'lib/oversip/sip/uac_request.rb', line 8

def to
  @to
end

#tvars ⇒ Object

Transaction variables (a hash).



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# File 'lib/oversip/sip/uac_request.rb', line 11

def tvars
  @tvars
end

#via_branch_id ⇒ Object (readonly)

Returns the value of attribute via_branch_id.



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# File 'lib/oversip/sip/uac_request.rb', line 9

def via_branch_id
  @via_branch_id
end

Instance Method Details

#delete_header_top(name) ⇒ Object 



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# File 'lib/oversip/sip/uac_request.rb', line 53

def delete_header_top name
  @headers.delete name
end

#insert_header(name, value) ⇒ Object 



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# File 'lib/oversip/sip/uac_request.rb', line 48

def insert_header name, value
  @headers[name] = value.to_s
end

#to_s ⇒ Object 



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# File 'lib/oversip/sip/uac_request.rb', line 58

def to_s
  msg = "#{@sip_method.to_s} #{@ruri.uri} SIP/2.0\r\n"

  @headers.each do |name, value|
    msg << name << ": #{value}\r\n"
  end

  msg << "From: #{@from.to_s};tag=#{@from_tag}\r\n"
  msg << "To: #{@to.to_s}\r\n"
  msg << "Call-ID: #{@call_id}\r\n"
  msg << "CSeq: #{@cseq.to_s} #{@sip_method.to_s}\r\n"
  msg << "Content-Length: #{@body ? @body.bytesize : "0"}\r\n"
  msg << "Max-Forwards: #{@max_forwards.to_s}\r\n"
  msg << HDR_USER_AGENT << CRLF

  @extra_headers.each do |header|
    msg << header << CRLF
  end

  msg << CRLF
  msg << @body  if @body
  msg
end