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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.
+ */
+
+/* $Rev$ $Date$ */
+
+/**
+ * Test HTTP client functions.
+ */
+
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <unistd.h>
+#include <assert.h>
+#include "stream.hpp"
+#include "string.hpp"
+#include "parallel.hpp"
+#include "perf.hpp"
+#include "../http/http.hpp"
+
+namespace tuscany {
+namespace server {
+
+string testURI = "http://localhost:8090/scheme";
+bool testBlobs = true;
+
+ostream* curlWriter(const string& s, ostream* os) {
+    (*os) << s;
+    return os;
+}
+
+const bool testGet() {
+    gc_scoped_pool pool;
+    http::CURLSession ch("", "", "", "", 0);
+    {
+        ostringstream os;
+        const failable<list<ostream*> > r = http::get<ostream*>(curlWriter, &os, "http://localhost:8090/index.html", ch);
+        assert(hasContent(r));
+        assert(contains(str(os), "HTTP/1.1 200") || contains(str(os), "HTTP/1.0 200"));
+        assert(contains(str(os), "It works"));
+    }
+    {
+        const failable<value> r = http::getcontent("http://localhost:8090/index.html", ch);
+        assert(hasContent(r));
+        assert(contains(car(reverse(list<value>(content(r)))), "It works"));
+    }
+    return true;
+}
+
+struct getLoop {
+    http::CURLSession& ch;
+    getLoop(http::CURLSession& ch) : ch(ch) {
+    }
+    const bool operator()() const {
+        const failable<value> r = http::getcontent("http://localhost:8090/index.html", ch);
+        assert(hasContent(r));
+        assert(contains(car(reverse(list<value>(content(r)))), "It works"));
+        return true;
+    }
+};
+
+const bool testGetPerf() {
+    gc_scoped_pool pool;
+    http::CURLSession ch("", "", "", "", 0);
+    const lambda<bool()> gl = getLoop(ch);
+    cout << "Static GET test " << time(gl, 5, 200) << " ms" << endl;
+    return true;
+}
+
+const bool testEval() {
+    gc_scoped_pool pool;
+    http::CURLSession ch("", "", "", "", 0);
+    const failable<value> r = http::evalExpr(mklist<value>(string("echo"), string("Hello")), testURI, ch);
+    assert(hasContent(r));
+    assert(content(r) == string("Hello"));
+    return true;
+}
+
+struct evalLoop {
+    const string uri;
+    http::CURLSession& ch;
+    evalLoop(const string& uri, http::CURLSession& ch) : uri(uri), ch(ch) {
+    }
+    const bool operator()() const {
+        const failable<value> r = http::evalExpr(mklist<value>(string("echo"), string("Hello")), uri, ch);
+        assert(hasContent(r));
+        assert(content(r) == string("Hello"));
+        return true;
+    }
+};
+
+const value blob(string(2048, 'A'));
+const list<value> blobs = mklist(blob, blob);
+
+struct blobEvalLoop {
+    const string uri;
+    http::CURLSession& ch;
+    blobEvalLoop(const string& uri, http::CURLSession& ch) : uri(uri), ch(ch) {
+    }
+    const bool operator()() const {
+        const failable<value> r = content(http::evalExpr(mklist<value>(string("echo"), blobs), uri, ch));
+        assert(hasContent(r));
+        assert(content(r) == blobs);
+        return true;
+    }
+};
+
+const bool testEvalPerf() {
+    gc_scoped_pool pool;
+    http::CURLSession ch("", "", "", "", 0);
+    const lambda<bool()> el = evalLoop(testURI, ch);
+    cout << "JSON-RPC eval echo test " << time(el, 5, 200) << " ms" << endl;
+
+    if (testBlobs) {
+        const lambda<bool()> bel = blobEvalLoop(testURI, ch);
+        cout << "JSON-RPC eval blob test " << time(bel, 5, 200) << " ms" << endl;
+    }
+    return true;
+}
+
+bool testPost() {
+    gc_scoped_pool pool;
+    const list<value> i = list<value>() + "content" + (list<value>() + "item"
+            + (list<value>() + "name" + string("Apple"))
+            + (list<value>() + "price" + string("$2.99")));
+    const list<value> a = list<value>() + (list<value>() + "entry" 
+            + (list<value>() + "title" + string("item"))
+            + (list<value>() + "id" + string("cart-53d67a61-aa5e-4e5e-8401-39edeba8b83b"))
+            + i);
+    http::CURLSession ch("", "", "", "", 0);
+    const failable<value> id = http::post(a, testURI, ch);
+    assert(hasContent(id));
+    return true;
+}
+
+struct postLoop {
+    const string uri;
+    const value val;
+    http::CURLSession& ch;
+    postLoop(const string& uri, const value& val, http::CURLSession& ch) : uri(uri), val(val), ch(ch) {
+    }
+    const bool operator()() const {
+        const failable<value> id = http::post(val, uri, ch);
+        assert(hasContent(id));
+        return true;
+    }
+};
+
+struct postBlobLoop {
+    const string uri;
+    const value val;
+    http::CURLSession& ch;
+    postBlobLoop(const string& uri, const value& val, http::CURLSession& ch) : uri(uri), val(val), ch(ch) {
+    }
+    const bool operator()() const {
+        gc_scoped_pool pool;
+        const failable<value> id = http::post(val, uri, ch);
+        assert(hasContent(id));
+        return true;
+    }
+};
+
+const bool testPostPerf() {
+    gc_scoped_pool pool;
+    http::CURLSession ch("", "", "", "", 0);
+    {
+        const list<value> i = list<value>() + "content" + (list<value>() + "item" 
+            + (list<value>() + "name" + string("Apple"))
+            + (list<value>() + "price" + string("$2.99")));
+        const list<value> val = list<value>() + (list<value>() + "entry" 
+            + (list<value>() + "title" + string("item"))
+            + (list<value>() + "id" + string("cart-53d67a61-aa5e-4e5e-8401-39edeba8b83b"))
+            + i);
+        const lambda<bool()> pl = postLoop(testURI, val, ch);
+        cout << "ATOMPub POST small test " << time(pl, 5, 200) << " ms" << endl;
+    }
+    if (testBlobs) {
+        const list<value> i = list<value>() + "content" + (list<value>() + "item"
+            + (list<value>() + "name" + string("Apple"))
+            + (list<value>() + "blob1" + blob)
+            + (list<value>() + "blob2" + blob)
+            + (list<value>() + "price" + string("$2.99")));
+        const list<value> val = list<value>() + (list<value>() + "entry" 
+            + (list<value>() + "title" + string("item"))
+            + (list<value>() + "id" + string("cart-53d67a61-aa5e-4e5e-8401-39edeba8b83b"))
+            + i);
+        const lambda<bool()> pl = postBlobLoop(testURI, val, ch);
+        cout << "ATOMPub POST blob test  " << time(pl, 5, 200) << " ms" << endl;
+    }
+    return true;
+}
+
+#ifdef WANT_THREADS
+
+const bool postThread(const string& uri, const int count, const value& val) {
+    gc_scoped_pool pool;
+    http::CURLSession ch("", "", "", "", 0);
+    const lambda<bool()> pl = postLoop(uri, val, ch);
+    time(pl, 0, count);
+    return true;
+}
+
+const list<future<bool> > startPost(worker& w, const int threads, const lambda<bool()>& l) {
+    if (threads == 0)
+        return list<future<bool> >();
+    return cons(submit(w, l), startPost(w, threads - 1, l));
+}
+
+const bool checkPost(const list<future<bool> >& r) {
+    if (isNil(r))
+        return true;
+    assert(car(r) == true);
+    return checkPost(cdr(r));
+}
+
+struct postThreadLoop {
+    const lambda<bool()> l;
+    worker& w;
+    const int threads;
+    postThreadLoop(const lambda<bool()>& l, worker& w, const int threads) : l(l), w(w), threads(threads) {
+    }
+    const bool operator()() const {
+        list<future<bool> > r = startPost(w, threads, l);
+        checkPost(r);
+        return true;
+    }
+};
+
+const bool testPostThreadPerf() {
+    gc_scoped_pool pool;
+    const int count = 50;
+    const int threads = 10;
+    worker w(threads);
+
+    const list<value> i = list<value>() + "content" + (list<value>() + "item"
+            + (list<value>() + "name" + string("Apple"))
+            + (list<value>() + "price" + string("$2.99")));
+    const value val = list<value>() + (list<value>() + "entry" 
+            + (list<value>() + "title" + string("item"))
+            + (list<value>() + "id" + string("cart-53d67a61-aa5e-4e5e-8401-39edeba8b83b"))
+            + i);
+
+    const lambda<bool()> pl= curry(lambda<bool(const string, const int, const value)>(postThread), testURI, count, val);
+    const lambda<bool()> ptl = postThreadLoop(pl, w, threads);
+    double t = time(ptl, 0, 1) / (threads * count);
+    cout << "ATOMPub POST thread test " << t << " ms" << endl;
+
+    return true;
+}
+
+#else
+
+const bool postProc(const string& uri, const int count, const value& val) {
+    gc_scoped_pool pool;
+    http::CURLSession ch("", "", "", "", 0);
+    const lambda<bool()> pl = postLoop(uri, val, ch);
+    time(pl, 0, count);
+    return true;
+}
+
+const list<pid_t> startPost(const int procs, const lambda<bool()>& l) {
+    if (procs == 0)
+        return list<pid_t>();
+    pid_t pid = fork();
+    if (pid == 0) {
+        assert(l() == true);
+        exit(0);
+    }
+    return cons(pid, startPost(procs - 1, l));
+}
+
+const bool checkPost(const list<pid_t>& r) {
+    if (isNil(r))
+        return true;
+    int status;
+    waitpid(car(r), &status, 0);
+    assert(status == 0);
+    return checkPost(cdr(r));
+}
+
+struct postForkLoop {
+    const lambda<bool()> l;
+    const int procs;
+    postForkLoop(const lambda<bool()>& l, const int procs) : l(l), procs(procs) {
+    }
+    const bool operator()() const {
+        list<pid_t> r = startPost(procs, l);
+        checkPost(r);
+        return true;
+    }
+};
+
+const bool testPostForkPerf() {
+    gc_scoped_pool pool;
+    const int count = 50;
+    const int procs = 10;
+
+    const list<value> i = list<value>() + "content" + (list<value>() + "item"
+            + (list<value>() + "name" + string("Apple"))
+            + (list<value>() + "price" + string("$2.99")));
+    const value val = list<value>() + (list<value>() + "entry" 
+            + (list<value>() + "title" + string("item"))
+            + (list<value>() + "id" + string("cart-53d67a61-aa5e-4e5e-8401-39edeba8b83b"))
+            + i);
+
+    const lambda<bool()> pl= curry(lambda<bool(const string, const int, const value)>(postProc), testURI, count, val);
+    const lambda<bool()> ptl = postForkLoop(pl, procs);
+    double t = time(ptl, 0, 1) / (procs * count);
+    cout << "ATOMPub POST fork test " << t << " ms" << endl;
+
+    return true;
+}
+
+#endif
+
+const bool testPut() {
+    gc_scoped_pool pool;
+    const list<value> i = list<value>() + "content" + (list<value>() + "item"
+            + (list<value>() + "name" + string("Apple"))
+            + (list<value>() + "price" + string("$2.99")));
+    const list<value> a = list<value>() + (list<value>() + "entry" 
+            + (list<value>() + "title" + string("item"))
+            + (list<value>() + "id" + string("cart-53d67a61-aa5e-4e5e-8401-39edeba8b83b"))
+            + i);
+    http::CURLSession ch("", "", "", "", 0);
+    value rc = content(http::put(a, testURI + "/111", ch));
+    assert(rc == value(true));
+    return true;
+}
+
+const bool testDel() {
+    gc_scoped_pool pool;
+    http::CURLSession ch("", "", "", "", 0);
+    value rc = content(http::del(testURI + "/111", ch));
+    assert(rc == value(true));
+    return true;
+}
+
+const bool testServer() {
+    tuscany::server::testGet();
+    tuscany::server::testPost();
+    tuscany::server::testPut();
+    tuscany::server::testDel();
+    tuscany::server::testEval();
+    tuscany::server::testGetPerf();
+    tuscany::server::testPostPerf();
+#ifdef WANT_THREADS
+    tuscany::server::testPostThreadPerf();
+#else
+    tuscany::server::testPostForkPerf();
+#endif
+    tuscany::server::testEvalPerf();
+    return true;
+}
+
+}
+}