36adc76235
git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@1420007 13f79535-47bb-0310-9956-ffa450edef68
86 lines
2.7 KiB
C++
86 lines
2.7 KiB
C++
/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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/* $Rev$ $Date$ */
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/**
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* HTTP client component implementation.
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*/
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#define WANT_HTTPD_LOG 1
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#include "string.hpp"
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#include "function.hpp"
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#include "list.hpp"
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#include "value.hpp"
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#include "monad.hpp"
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#include "parallel.hpp"
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#include "../../modules/http/http.hpp"
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namespace tuscany {
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namespace httpget {
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/**
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* Evaluate an HTTP get.
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*/
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const failable<value> get(const lvvlambda& url, const http::CURLSession& ch) {
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debug("httpget::get");
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const value u = url(mklist<value>("get", nilListValue));
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debug(u, "httpget::get::url");
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return http::get(u, ch);
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}
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/**
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* Start the component.
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*/
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const failable<value> start(const list<value>& params) {
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// Create a CURL session
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const lvvlambda timeout = cadr(params);
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const gc_pool cp(gc_current_pool());
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const lambda<const gc_ptr<http::CURLSession>()> newsession = [timeout, cp]() -> const gc_ptr<http::CURLSession> {
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const gc_scoped_pool sp(pool(cp));
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const int t = atoi(c_str((string)timeout(nilListValue)));
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return new (gc_new<http::CURLSession>()) http::CURLSession(emptyString, emptyString, emptyString, emptyString, t);
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};
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const perthread_ptr<http::CURLSession> ch = *(new (gc_new<perthread_ptr<http::CURLSession> >()) perthread_ptr<http::CURLSession>(newsession));
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// Return the component implementation lambda function
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const lvvlambda url = car(params);
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const lvvlambda applyhttp = [url, ch](const list<value>& params) -> const value {
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debug(params, "httpget::applyhttp::params");
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const value func(car(params));
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if (func == "get")
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return get(url, *ch);
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return mkfailure<value>();
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};
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return value(applyhttp);
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}
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}
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}
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extern "C" {
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const tuscany::value apply(const tuscany::list<tuscany::value>& params) {
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const tuscany::value func(car(params));
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if (func == "start")
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return tuscany::httpget::start(cdr(params));
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return tuscany::mkfailure<tuscany::value>();
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}
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}
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