Open Mash Cross Reference
mash/tcl/applications/aries/agent-aries.tcl

   # agent-aries.tcl --
   #
   #       FIXME: This file needs a description here.
   #
   # Copyright (c) 1998-2002 The Regents of the University of California.
   # All rights reserved.
   #
   # Redistribution and use in source and binary forms, with or without
   # modification, are permitted provided that the following conditions are met:
  #
  # A. Redistributions of source code must retain the above copyright notice,
  #    this list of conditions and the following disclaimer.
  # B. Redistributions in binary form must reproduce the above copyright notice,
  #    this list of conditions and the following disclaimer in the documentation
  #    and/or other materials provided with the distribution.
  # C. Neither the names of the copyright holders nor the names of its
  #    contributors may be used to endorse or promote products derived from this
  #    software without specific prior written permission.
  #
  # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS''
  # AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  # ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR
  # ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  # SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  # CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  # OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  #
  #  @(#) $Header: /usr/mash/src/repository/mash/mash-1/tcl/applications/aries/agent-aries.tcl,v 1.5 2002/02/03 04:21:08 lim Exp $
  
  
  # Aries is a recording service for AS1.
  Class AriesAgent
  
  import ArchiveSystem/Record/Monitored SDPParser Program
  
  # Start recording
  AriesAgent public init {agent ssd} {
          $self instvar sdp_ archive_ archive_sys_
  
          set sdp_ $ssd
  
          set o [$self options]
          $o load_preferences "aries"
  
          set msg [lindex [ [new SDPParser 0] parse $sdp_] 0]
          set program [new Program $msg]
          #puts "Program: $program"
  
          set archive_ [$self get_option archive_root]
          append archive_ [$self get_option archive_dir]
  
          # FIX THIS : need filename to be unique and recreatable, for gather
          set module [string trim [clock clicks] -]
  
          set archive_sys_ [new ArchiveSystem/Record/Monitored]
  
          # Use the ArchiveSystem/Record class for recording and write
          # the SDP Program information to the catalog file.
          $archive_sys_ open $archive_ $module
          $archive_sys_ write_announcement $program
  
          # Write relevant recording information to the catalog file
          set current [$self readable_time [clock seconds]]
          set info "record_start=$current"
          $archive_sys_ write_info $info
  
          # Begin recording
          $archive_sys_ record_program $program $module
  
  
  }
  
  # Copied from Rec_Agent.  Should be in common?
  AriesAgent private readable_time { time } {
      return [clock format $time -format {%a %B %d, %Y at %H:%M}]
  }
  
  # Stop recording
  AriesAgent public close {} {
          $self instvar archive_sys_
  
          # Update the catalog file's info block to include the end time.
          set current [$self readable_time [clock seconds]]
          set info "record_end=$current"
          $archive_sys_ write_info $info
  
          # Close the recording in a clean fashion so that the end
          # timestamps in the header will be correct
          $archive_sys_ close
          delete $archive_sys_
  }
  
  # Fetch the list of ssrc's and error rates for the announcement
  AriesAgent public get_ssd {} {
          $self instvar archive_sys_
  
         return [$archive_sys_ get_ssd]
 }