diff options
Diffstat (limited to 'sandbox/sebastien/cpp/apr-2/components/log/log.cpp')
-rw-r--r-- | sandbox/sebastien/cpp/apr-2/components/log/log.cpp | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/sandbox/sebastien/cpp/apr-2/components/log/log.cpp b/sandbox/sebastien/cpp/apr-2/components/log/log.cpp new file mode 100644 index 0000000000..24a5844c45 --- /dev/null +++ b/sandbox/sebastien/cpp/apr-2/components/log/log.cpp @@ -0,0 +1,94 @@ +/* + * 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 log component implementation. + */ + +#include "string.hpp" +#include "function.hpp" +#include "list.hpp" +#include "value.hpp" +#include "monad.hpp" +#include "scribe.hpp" + +namespace tuscany { +namespace log { + +/** + * Post an item to the Scribe log. + */ +const failable<value> post(const list<value>& params, const value& category, scribe::Scribe& sc) { + debug(cadr(params), "log::post::value"); + const failable<bool> val = scribe::log(cadr(params), category, sc); + if (!hasContent(val)) + return mkfailure<value>(reason(val)); + return value(mklist<value>(true)); +} + +/** + * Component implementation lambda function. + */ +class applyLog { +public: + applyLog(const value& category, scribe::Scribe& sc) : category(category), sc(sc) { + } + + const value operator()(const list<value>& params) const { + const value func(car(params)); + if (func == "post") + return post(cdr(params), category, sc); + return tuscany::mkfailure<tuscany::value>(); + } + +private: + 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 category + const value category = ((lambda<value(list<value>)>)car(params))(list<value>()); + debug(category, "log::start::category"); + + // Return the component implementation lambda function + return value(lambda<value(const list<value>&)>(applyLog(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::log::start(cdr(params)); + return tuscany::mkfailure<tuscany::value>(); +} + +} |