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#
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
#
require 'rbconfig'
require 'sasl'
module Qpid
class Delegate
def initialize(connection, args={})
@connection = connection
@spec = connection.spec
@delegate = args[:delegate] || Qpid::Delegate::Client.method(:new)
@control = @spec[:track].enum[:control].value
end
def log ; Qpid::logger["qpid.io.ctl"]; end
def received(seg)
ssn = @connection.attached[seg.channel]
unless ssn
ch = Qpid::Connection::Channel.new(@connection, seg.channel)
else
ch = ssn.channel
end
if seg.track == @control
ctl = seg.decode(@spec)
log.debug("RECV %s", ctl) if log
attr = ctl.st_type.name
method(attr).call(ch, ctl)
elsif ssn.nil?
ch.session_detached
else
ssn.received(seg)
end
end
def connection_close(ch, close)
@connection.close_code = [close.reply_code, close.reply_text]
ch.connection_close_ok
@connection.sock.close_write()
unless @connection.opened
@connection.failed = true
@connection.signal
end
end
def connection_close_ok(ch, close_ok)
@connection.opened = false
@connection.signal
end
def session_attach(ch, a)
begin
@connection.attach(a.name, ch, @delegate, a.force)
ch.session_attached(a.name)
rescue Qpid::ChannelBusy
ch.session_detached(a.name)
rescue Qpid::SessionBusy
ch.session_detached(a.name)
end
end
def session_attached(ch, a)
ch.session.signal
end
def session_detach(ch, d)
#send back the confirmation of detachment before removing the
#channel from the attached set; this avoids needing to hold the
#connection lock during the sending of this control and ensures
#that if the channel is immediately reused for a new session the
#attach request will follow the detached notification.
ch.session_detached(d.name)
ssn = @connection.detach(d.name, ch)
end
def session_detached(ch, d)
@connection.detach(d.name, ch)
end
def session_request_timeout(ch, rt)
ch.session_timeout(rt.timeout)
end
def session_command_point(ch, cp)
ssn = ch.session
ssn.receiver.next_id = cp.command_id
ssn.receiver.next_offset = cp.command_offset
end
def session_completed(ch, cmp)
ch.session.sender.has_completed(cmp.commands)
if cmp.timely_reply
ch.session_known_completed(cmp.commands)
end
ch.session.signal
end
def session_known_completed(ch, kn_cmp)
ch.session.receiver.known_completed(kn_cmp.commands)
end
def session_flush(ch, f)
rcv = ch.session.receiver
if f.expected
if rcv.next_id
exp = Qpid::RangedSet.new(rcv.next_id)
else
exp = nil
end
ch.session_expected(exp)
end
if f.confirmed
ch.session_confirmed(rcv.completed)
end
if f.completed
ch.session_completed(rcv.completed)
end
end
class Server < Delegate
def start
@connection.read_header()
@connection.write_header(@spec.major, @spec.minor)
ch = Qpid::Connection::Channel.new(@connection, 0)
ch.connection_start(:mechanisms => ["ANONYMOUS"])
ch
end
def connection_start_ok(ch, start_ok)
ch.connection_tune(:channel_max => 65535)
end
def connection_tune_ok(ch, tune_ok)
nil
end
def connection_open(ch, open)
@connection.opened = true
ch.connection_open_ok()
@connection.signal
end
end
class Client < Delegate
# FIXME: Python uses os.name for platform - we don't have an exact
# analog in Ruby
PROPERTIES = {"product" => "qpid python client",
"version" => "development",
"platform" => Config::CONFIG["build_os"],
"qpid.client_process" => File.basename($0),
"qpid.client_pid" => Process.pid,
"qpid.client_ppid" => Process.ppid}
def initialize(connection, args)
super(connection)
result = Sasl::client_init
@mechanism= args[:mechanism]
@username = args[:username]
@password = args[:password]
@service = args[:service] || "qpidd"
@min_ssf = args[:min_ssf] || 0
@max_ssf = args[:max_ssf] || 65535
@saslConn = Sasl.client_new(@mechanism, @service, args[:host],
@username, @password, @min_ssf, @max_ssf)
end
def start
@connection.write_header(@spec.major, @spec.minor)
@connection.read_header
end
def connection_start(ch, start)
mech_list = ""
start.mechanisms.each do |m|
mech_list += m + " "
end
begin
resp = Sasl.client_start(@saslConn, mech_list)
@connection.user_id = Sasl.user_id(@saslConn)
ch.connection_start_ok(:client_properties => PROPERTIES,
:mechanism => resp[2],
:response => resp[1])
rescue exception
ch.connection_close(:message => $!.message)
@connection.failed = true
@connection.signal
end
end
def connection_secure(ch, secure)
resp = Sasl.client_step(@saslConn, secure.challenge)
@connection.user_id = Sasl.user_id(@saslConn)
ch.connection_secure_ok(:response => resp[1])
end
def connection_tune(ch, tune)
ch.connection_tune_ok(:channel_max => tune.channel_max,
:max_frame_size => tune.max_frame_size,
:heartbeat => 0)
ch.connection_open()
@connection.security_layer_tx = @saslConn
end
def connection_open_ok(ch, open_ok)
@connection.security_layer_rx = @saslConn
@connection.opened = true
@connection.signal
end
end
end
end
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