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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 'cqmf2'
require 'cqpid'
require 'thread'
require 'socket'
require 'monitor'
module Qmf2
Cqmf2.constants.each do |c|
if c.index('AGENT_') == 0 or c.index('CONSOLE_') == 0 or
c.index('SCHEMA_') == 0 or c.index('SEV_') == 0 or c.index('QUERY') == 0
const_set(c, Cqmf2.const_get(c))
end
end
SCHEMA_TYPE_DATA = Cqmf2::SCHEMA_TYPE_DATA()
SCHEMA_TYPE_EVENT = Cqmf2::SCHEMA_TYPE_EVENT()
SCHEMA_DATA_VOID = Cqmf2::SCHEMA_DATA_VOID()
SCHEMA_DATA_BOOL = Cqmf2::SCHEMA_DATA_BOOL()
SCHEMA_DATA_INT = Cqmf2::SCHEMA_DATA_INT()
SCHEMA_DATA_FLOAT = Cqmf2::SCHEMA_DATA_FLOAT()
SCHEMA_DATA_STRING = Cqmf2::SCHEMA_DATA_STRING()
SCHEMA_DATA_MAP = Cqmf2::SCHEMA_DATA_MAP()
SCHEMA_DATA_LIST = Cqmf2::SCHEMA_DATA_LIST()
SCHEMA_DATA_UUID = Cqmf2::SCHEMA_DATA_UUID()
ACCESS_READ_CREATE = Cqmf2::ACCESS_READ_CREATE()
ACCESS_READ_WRITE = Cqmf2::ACCESS_READ_WRITE()
ACCESS_READ_ONLY = Cqmf2::ACCESS_READ_ONLY()
DIR_IN = Cqmf2::DIR_IN()
DIR_OUT = Cqmf2::DIR_OUT()
DIR_IN_OUT = Cqmf2::DIR_IN_OUT()
SEV_EMERG = Cqmf2::SEV_EMERG()
SEV_ALERT = Cqmf2::SEV_ALERT()
SEV_CRIT = Cqmf2::SEV_CRIT()
SEV_ERROR = Cqmf2::SEV_ERROR()
SEV_WARN = Cqmf2::SEV_WARN()
SEV_NOTICE = Cqmf2::SEV_NOTICE()
SEV_INFORM = Cqmf2::SEV_INFORM()
SEV_DEBUG = Cqmf2::SEV_DEBUG()
##==============================================================================
## EXCEPTIONS
##==============================================================================
class QmfAgentException < RuntimeError
attr :data
def initialize(data)
@data = data
end
def to_s
"QmfAgentException: #{@data}"
end
end
##==============================================================================
## AGENT HANDLER TODO
##==============================================================================
class AgentHandler
def get_query(context, query, userId); end
def method_call(context, name, object_id, args, userId); end
end
##==============================================================================
## CONSOLE SESSION
##==============================================================================
class ConsoleSession
attr_reader :impl
def initialize(connection, options="")
@impl = Cqmf2::ConsoleSession.new(connection, options)
end
def set_domain(domain) @impl.setDomain(domain) end
def set_agent_filter(filter) @impl.setAgentFilter(filter) end
def open() @impl.open end
def close() @impl.close end
def agents
result = []
count = @impl.getAgentCount
for i in 0...count
result << Agent.new(@impl.getAgent(i))
end
return result
end
def connected_broker_agent
Agent.new(@impl.getConnectedBrokerAgent)
end
end
##==============================================================================
## AGENT SESSION
##==============================================================================
class AgentSession
attr_reader :impl
def initialize(connection, options="")
@impl = Cqmf2::AgentSession.new(connection, options)
end
def set_domain(val) @impl.setDomain(val) end
def set_vendor(val) @impl.setVendor(val) end
def set_product(val) @impl.setProduct(val) end
def set_instance(val) @impl.setInstance(val) end
def set_attribute(key, val) @impl.setAttribute(key, val) end
def open() @impl.open end
def close() @impl.close end
def register_schema(cls) @impl.registerSchema(cls.impl) end
def add_data(data, name="", persistent=:false)
DataAddr.new(@impl.addData(data.impl, name, persistent))
end
def del_data(addr)
@impl.del_data(addr.impl)
end
def method_success(handle)
@impl.methodSuccess(handle)
end
def raise_exception(handle, data)
if data.class == Data
@impl.raiseException(handle, data.impl)
else
@impl.raiseException(handle, data)
end
end
end
##==============================================================================
## AGENT PROXY
##==============================================================================
class Agent
attr_reader :impl
def initialize(impl)
@impl = impl
end
def name() @impl.getName end
def epoch() @impl.getEpoch end
def vendor() @impl.getVendor end
def product() @impl.getProduct end
def instance() @impl.getInstance end
def attributes() @impl.getAttributes end
def to_s
"#{vendor}:#{product}:#{instance}"
end
def query(q, timeout=30)
if q.class == Query
q_arg = q.impl
else
q_arg = q
end
dur = Cqpid::Duration.new(Cqpid::Duration.SECOND.getMilliseconds * timeout)
result = @impl.query(q_arg, dur)
raise QmfAgentException.new(Data.new(result.getData(0))) if result.getType == Cqmf2::CONSOLE_EXCEPTION
raise "Protocol error, expected CONSOLE_QUERY_RESPONSE, got #{result.getType}" if result.getType != Cqmf2::CONSOLE_QUERY_RESPONSE
data_list = []
count = result.getDataCount
for i in 0...count
data_list << Data.new(result.getData(i))
end
return data_list
end
def load_schema_info(timeout=30)
dur = Cqpid::Duration.new(Cqpid::Duration.SECOND.getMilliseconds * timeout)
@impl.querySchema(dur)
end
def packages
result = []
count = @impl.getPackageCount
for i in 0...count
result << @impl.getPackage(i)
end
return result
end
def schema_ids(package)
result = []
count = @impl.getSchemaIdCount(package)
for i in 0...count
result << SchemaId.new(@impl.getSchemaId(package, i))
end
return result
end
def schema(sid, timeout=30)
dur = Cqpid::Duration.new(Cqpid::Duration.SECOND.getMilliseconds * timeout)
Schema.new(@impl.getSchema(sid.impl, dur))
end
end
##==============================================================================
## QUERY TODO
##==============================================================================
class Query
attr_reader :impl
def initialize(arg1, arg2=nil, arg3=nil)
if arg1.class == Qmf2::DataAddr
@impl = Cqmf2::Query.new(arg1.impl)
end
end
end
##==============================================================================
## DATA
##==============================================================================
class Data
attr_reader :impl
def initialize(arg=nil)
if arg == nil
@impl = Cqmf2::Data.new
elsif arg.class == Cqmf2::Data
@impl = arg
elsif arg.class == Schema
@impl = Cqmf2::Data(arg.impl)
else
raise "Unsupported initializer for Data"
end
@schema = nil
end
def to_s
"#{@impl.getProperties}"
end
def schema_id
if @impl.hasSchema
return SchemaId.new(@impl.getSchemaId)
end
return nil
end
def addr
if @impl.hasAddr
return DataAddr.new(@impl.getAddr)
end
return nil
end
def agent
return Agent.new(@impl.getAgent)
end
def properties
return @impl.getProperties
end
def get_attr(name)
@impl.getProperty(name)
end
def set_attr(name, v)
@impl.setProperty(name, v)
end
def [](name)
get_attr(name)
end
def []=(name, value)
set_attr(name, value)
end
def _get_schema
unless @schema
raise "Data object has no schema" unless @impl.hasSchema
@schema = Schema.new(@impl.getAgent.getSchema(@impl.getSchemaId))
end
end
def method_missing(name_in, *args)
#
# Convert the name to a string and determine if it represents an
# attribute assignment (i.e. "attr=")
#
name = name_in.to_s
attr_set = (name[name.length - 1] == 61)
name = name[0..name.length - 2] if attr_set
#
# We'll be needing the schema to determine how to proceed. Get the schema.
# Note that this call may block if the remote agent needs to be queried
# for the schema (i.e. the schema isn't in the local cache).
#
_get_schema
#
# If the name matches a property name, set or return the value of the property.
#
@schema.properties.each do |prop|
if prop.name == name
if attr_set
return set_attr(name, args[0])
else
return get_attr(name)
end
end
end
#
# If we still haven't found a match for the name, check to see if
# it matches a method name. If so, marshall the arguments and invoke
# the method.
#
@schema.methods.each do |method|
if method.name == name
raise "Sets not permitted on methods" if attr_set
result = @impl.getAgent.callMethod(name, _marshall(method, args), @impl.getAddr)
if result.getType == Cqmf2::CONSOLE_EXCEPTION
raise QmfAgentException, result.getData(0)
end
return result.getArguments
end
end
#
# This name means nothing to us, pass it up the line to the parent
# class's handler.
#
super.method_missing(name_in, args)
end
#
# Convert a Ruby array of arguments (positional) into a Value object of type "map".
#
private
def _marshall(schema, args)
count = 0
schema.arguments.each do |arg|
if arg.direction == DIR_IN || arg.direction == DIR_IN_OUT
count += 1
end
end
raise "Wrong number of arguments: expecter #{count}, got #{arge.length}" if count != args.length
map = {}
count = 0
schema.arguments.each do |arg|
if arg.direction == DIR_IN || arg.direction == DIR_IN_OUT
map[arg.name] = args[count]
count += 1
end
end
return map
end
end
##==============================================================================
## DATA ADDRESS
##==============================================================================
class DataAddr
attr_reader :impl
def initialize(arg)
if arg.class == Hash
@impl = Cqmf2::DataAddr.new(arg)
else
@impl = arg
end
end
def ==(other)
return @impl == other.impl
end
def agent_name() @impl.getAgentName end
def name() @impl.getName end
def agent_epoch() @impl.getAgentEpoch end
end
##==============================================================================
## SCHEMA ID
##==============================================================================
class SchemaId
attr_reader :impl
def initialize(impl)
@impl = impl
end
def type() @impl.getType end
def package_name() @impl.getPackageName end
def class_name() @impl.getName end
def hash() @impl.getHash end
end
##==============================================================================
## SCHEMA
##==============================================================================
class Schema
attr_reader :impl
def initialize(arg, packageName="", className="", kwargs={})
if arg.class == Cqmf2::Schema
@impl = arg
else
@impl = Cqmf2::Schema.new(arg, packageName, className)
@impl.setDesc(kwargs[:desc]) if kwargs.include?(:desc)
@impl.setDefaultSeverity(kwargs[:sev]) if kwargs.include?(:sev)
end
end
def finalize() @impl.finalize end
def schema_id() SchemaId.new(@impl.getSchemaId) end
def desc() @impl.getDesc end
def sev() @impl.getDefaultSeverity end
def add_property(prop) @impl.addProperty(prop.impl) end
def add_method(meth) @impl.addMethod(meth.impl) end
def properties
result = []
count = @impl.getPropertyCount
for i in 0...count
result << SchemaProperty.new(@impl.getProperty(i))
end
return result
end
def methods
result = []
count = @impl.getMethodCount
for i in 0...count
result << SchemaMethod.new(@impl.getMethod(i))
end
return result
end
end
##==============================================================================
## SCHEMA PROPERTY
##==============================================================================
class SchemaProperty
attr_reader :impl
def initialize(arg, dtype=nil, kwargs={})
if arg.class == Cqmf2::SchemaProperty
@impl = arg
else
@impl = Cqmf2::SchemaProperty.new(arg, dtype)
@impl.setAccess(kwargs[:access]) if kwargs.include?(:access)
@impl.setIndex(kwargs[:index]) if kwargs.include?(:index)
@impl.setOptional(kwargs[:optional]) if kwargs.include?(:optional)
@impl.setUnit(kwargs[:unit]) if kwargs.include?(:unit)
@impl.setDesc(kwargs[:desc]) if kwargs.include?(:desc)
@impl.setSubtype(kwargs[:subtype]) if kwargs.include?(:subtype)
@impl.setDirection(kwargs[:direction]) if kwargs.include?(:direction)
end
end
def name() @impl.getName end
def access() @impl.getAccess end
def index?() @impl.isIndex end
def optional?() @impl.isOptional end
def unit() @impl.getUnit end
def desc() @impl.getDesc end
def subtype() @impl.getSubtype end
def direction() @impl.getDirection end
def to_s
name
end
end
##==============================================================================
## SCHEMA METHOD
##==============================================================================
class SchemaMethod
attr_reader :impl
def initialize(arg, kwargs={})
if arg.class == Cqmf2::SchemaMethod
@impl = arg
else
@impl = Cqmf2::SchemaMethod.new(arg)
@impl.setDesc(kwargs[:desc]) if kwargs.include?(:desc)
end
end
def name() @impl.getName end
def desc() @impl.getDesc end
def add_argument(arg) @impl.addArgument(arg.impl) end
def arguments
result = []
count = @impl.getArgumentCount
for i in 0...count
result << SchemaProperty.new(@impl.getArgument(i))
end
return result
end
def to_s
name
end
end
end
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