Class: Quaff::Call

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(cxn, cid, instance_id = nil, uri = "sip:5557777888@#{Utils::local_ip}", destination = nil, target_uri = nil) ⇒ Call

Returns a new instance of Call.



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# File 'lib/call.rb', line 29

def initialize(cxn,
               cid,
               instance_id=nil,
               uri="sip:5557777888@#{Utils::local_ip}",
               destination=nil,
               target_uri=nil)
  @cxn = cxn
  setdest(destination, recv_from_this: true) if destination
  @retrans = nil
  @t1, @t2 = 0.5, 32
  @instance_id = instance_id
  set_default_headers cid, uri, target_uri
end

Instance Attribute Details

#cid ⇒ Object (readonly)

Returns the value of attribute cid.



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# File 'lib/call.rb', line 27

def cid
  @cid
end

Instance Method Details

#assoc_with_msg(msg) ⇒ Object 



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# File 'lib/call.rb', line 156

def assoc_with_msg(msg)
  @last_Via = msg.all_headers("Via")
  @last_CSeq = CSeq.new(msg.header("CSeq"))
end

#change_cid(cid) ⇒ Object 



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# File 'lib/call.rb', line 43

def change_cid cid
  @cid = cid
  @cxn.add_call_id @cid
end

#create_dialog(msg) ⇒ Object 



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# File 'lib/call.rb', line 59

def create_dialog msg
  set_callee msg.first_header("Contact")
end

#end_call ⇒ Object 



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# File 'lib/call.rb', line 152

def end_call
  @cxn.mark_call_dead @cid
end

#get_new_via_hdr ⇒ Object 



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# File 'lib/call.rb', line 55

def get_new_via_hdr
  "SIP/2.0/#{@cxn.transport} #{Quaff::Utils.local_ip}:#{@cxn.local_port};rport;branch=#{Quaff::Utils::new_branch}"
end

#get_next_hop(header) ⇒ Object 



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# File 'lib/call.rb', line 161

def get_next_hop header
  /<sip:(.+@)?(.+):(\d+);(.*)>/ =~ header
  sock = TCPSocket.new $2, $3
  return TCPSource.new sock
end

#recv_request(method, dialog_creating = true) ⇒ Object 



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# File 'lib/call.rb', line 78

def recv_request(method, dialog_creating=true)
  begin
    msg = recv_something
  rescue
    raise "#{ @uri } timed out waiting for #{ method }"
  end

  unless msg.type == :request \
    and Regexp.new(method) =~ msg.method
    raise((msg.to_s || "Message is nil!"))
  end

  unless @has_To_tag
    @has_To_tag = true
    tospec = ToSpec.new
    tospec.parse(msg.header("To"))
    tospec.params['tag'] = generate_random_tag
    @last_To = tospec.to_s
    @last_From = msg.header("From")
  end

  if dialog_creating
    @in_dialog = true

    set_callee msg.first_header("Contact")
    unless msg.all_headers("Record-Route").nil?
      @routeset = msg.all_headers("Record-Route")
    end
  end
  msg
end

#recv_response(code, dialog_creating = false) ⇒ Object 



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# File 'lib/call.rb', line 110

def recv_response(code, dialog_creating=false)
  begin
    msg = recv_something
  rescue
    raise "#{ @uri } timed out waiting for #{ code }"
  end
  unless msg.type == :response \
    and Regexp.new(code) =~ msg.status_code
    raise "Expected #{ code}, got #{msg.status_code || msg}"
  end

  if dialog_creating
    @in_dialog = true
    set_callee msg.first_header("Contact")
    unless msg.all_headers("Record-Route").nil?
      @routeset = msg.all_headers("Record-Route").reverse
    end
  end

  if @in_dialog
    @has_To_tag = true
    @last_To = msg.header("To")
  end

  msg
end

#recv_response_and_create_dialog(code) ⇒ Object 



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# File 'lib/call.rb', line 137

def recv_response_and_create_dialog(code)
  recv_response code, true
end

#send_request(method, body = "", headers = {}) ⇒ Object 



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# File 'lib/call.rb', line 147

def send_request(method, body="", headers={})
  msg = build_message headers, body, :request, method
  send_something(msg, nil)
end

#send_response(code, phrase, body = "", retrans = nil, headers = {}) ⇒ Object 



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# File 'lib/call.rb', line 141

def send_response(code, phrase, body="", retrans=nil, headers={})
  method = nil
  msg = build_message headers, body, :response, method, code, phrase
  send_something(msg, retrans)
end

#set_callee(uri) ⇒ Object 



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# File 'lib/call.rb', line 63

def set_callee uri
  if /<(.*?)>/ =~ uri
    uri = $1
  end

  @sip_destination = "#{uri}"
end

#setdest(source, options = {}) ⇒ Object 



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# File 'lib/call.rb', line 71

def setdest source, options={}
  @src = source
  if options[:recv_from_this] and source.sock
    @cxn.add_sock source.sock
  end
end

#update_branch(via_hdr = nil) ⇒ Object Also known as: new_transaction 



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# File 'lib/call.rb', line 48

def update_branch via_hdr=nil
  via_hdr ||= get_new_via_hdr
  @last_Via = via_hdr
end