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Class Relations

• class: ::xo::MessageRelay

::xo::MessageRelay create ::xo::mr::bgdelivery

Methods (to be applied on the object)

• can_be_used (scripted)

  #
  # We require support from the web server, an installed
  # bgdelivery. This method does not work on HTTPS, since this
  # method writes to the raw sockets.
  #
  return [expr {
                [info commands ::thread::mutex] ne ""
                && [info commands ::bgdelivery] ne ""
                && (![ns_conn isconnected] || ![security::secure_conn_p])
              }]

• send_to_subscriber (scripted)

  ns_log notice "#### [self] send_to_subscriber $key $msg"
  ::bgdelivery do -async ::Subscriber broadcast $key $msg

• subscribe (scripted)

  ns_log notice "#### [self] subscribe <$key> mode <$mode>"
  set ch [ns_conn channel]
  thread::transfer [::bgdelivery get_tid] $ch
  # ::bgdelivery do ::Subscriber sweep $key
  ::bgdelivery do ::Subscriber new  -channel $ch -key $key  -user_id [ad_conn user_id] -mode $mode  -start_of_page [:start_of_page $mode]

• sweep (scripted)

  ::bgdelivery do ::Subscriber sweep $key

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