dc15dc32bb
git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@1052740 13f79535-47bb-0310-9956-ffa450edef68
92 lines
2.6 KiB
C++
92 lines
2.6 KiB
C++
/*
|
|
* 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.
|
|
*/
|
|
|
|
/* $Rev$ $Date$ */
|
|
|
|
/**
|
|
* Scribe-based logger component implementation, used to intercept
|
|
* and log service invocations.
|
|
*/
|
|
|
|
#include "string.hpp"
|
|
#include "function.hpp"
|
|
#include "list.hpp"
|
|
#include "value.hpp"
|
|
#include "monad.hpp"
|
|
#include "scribe.hpp"
|
|
|
|
namespace tuscany {
|
|
namespace logger {
|
|
|
|
/**
|
|
* Component implementation lambda function.
|
|
*/
|
|
class applyLog {
|
|
public:
|
|
applyLog(const lambda<value(const list<value>&)>& relay, const value& category, scribe::Scribe& sc) : relay(relay), category(category), sc(sc) {
|
|
}
|
|
|
|
const value operator()(const list<value>& params) const {
|
|
// Log the function params
|
|
debug(params, "logger::apply::params");
|
|
scribe::log(params, category, sc);
|
|
|
|
// Relay the function
|
|
const failable<value> res = relay(params);
|
|
|
|
// Log the result
|
|
scribe::log(res, category, sc);
|
|
return res;
|
|
}
|
|
|
|
private:
|
|
const lambda<value(const list<value>&)> relay;
|
|
const value category;
|
|
scribe::Scribe& sc;
|
|
};
|
|
|
|
/**
|
|
* Start the component.
|
|
*/
|
|
const failable<value> start(unused const list<value>& params) {
|
|
// Connect to Scribe
|
|
scribe::Scribe& sc = *(new (gc_new<scribe::Scribe>()) scribe::Scribe("localhost", 1464));
|
|
|
|
// Extract the configured relay service and category
|
|
const value rel = car(params);
|
|
const value category = ((lambda<value(list<value>)>)cadr(params))(list<value>());
|
|
debug(category, "logger::start::category");
|
|
|
|
// Return the component implementation lambda function
|
|
return value(lambda<value(const list<value>&)>(applyLog(rel, category, sc)));
|
|
}
|
|
|
|
}
|
|
}
|
|
|
|
extern "C" {
|
|
|
|
const tuscany::value apply(const tuscany::list<tuscany::value>& params) {
|
|
const tuscany::value func(car(params));
|
|
if (func == "start")
|
|
return tuscany::logger::start(cdr(params));
|
|
return tuscany::mkfailure<tuscany::value>();
|
|
}
|
|
|
|
}
|