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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.
*/
/* $Rev$ $Date$ */
/**
* HTTPD module used to eval Python component implementations.
*/
#define WANT_HTTPD_LOG 1
#include "string.hpp"
#include "function.hpp"
#include "list.hpp"
#include "value.hpp"
#include "monad.hpp"
#include "../server/mod-cpp.hpp"
#include "../server/mod-eval.hpp"
#include "mod-python.hpp"
namespace tuscany {
namespace server {
namespace modeval {
/**
* Apply a lifecycle start or restart event.
*/
const value applyLifecycle(unused const list<value>& params) {
// Create a Python runtime
python::PythonRuntime& py = *(new (gc_new<python::PythonRuntime>()) python::PythonRuntime());
// Return the function to invoke on subsequent events
return failable<value>(lvvlambda([&py](const list<value>& params) -> const value {
const value func = car(params);
if (func == "pythonRuntime")
return (gc_ptr<value>)(value*)&py;
return lvvlambda();
}));
}
/**
* Evaluate a Python component implementation and convert it to an applicable
* lambda function.
*/
const failable<lvvlambda > evalImplementation(const string& path, const value& impl, const list<value>& px, const lvvlambda& lifecycle) {
const string itype(elementName(impl));
if (contains(itype, ".python")) {
const value* const p = (gc_ptr<value>)lifecycle(mklist<value>("pythonRuntime"));
return modpython::evalImplementation(path, impl, px, *(python::PythonRuntime*)p);
}
if (contains(itype, ".cpp"))
return modcpp::evalImplementation(path, impl, px);
if (contains(itype, ".widget"))
return mkfailure<lvvlambda >(string("Unsupported implementation type: ") + itype, -1, false);
return mkfailure<lvvlambda >(string("Unsupported implementation type: ") + itype);
}
}
}
}
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