Add a reusable component that returns the contents of a configured url.

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@1081203 13f79535-47bb-0310-9956-ffa450edef68

7 files changed, 340 insertions, 0 deletions

diff --git a/sca-cpp/trunk/components/http/Makefile.am b/sca-cpp/trunk/components/http/Makefile.am
new file mode 100644
index 0000000000..05e41bb9e1
--- /dev/null
+++ b/sca-cpp/trunk/components/http/Makefile.am
@@ -0,0 +1,36 @@
+#  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.
+
+compdir=$(prefix)/components/http
+
+EXTRA_DIST = http.composite httpget.componentType *.scm
+
+comp_LTLIBRARIES = libhttpget.la
+noinst_DATA = libhttpget.so
+
+libhttpget_la_SOURCES = httpget.cpp
+libhttpget_la_LDFLAGS = -lxml2 -lmozjs -curl
+libhttpget.so:
+	ln -s .libs/libhttpget.so
+
+client_test_SOURCES = client-test.cpp
+client_test_LDFLAGS = -lxml2 -lcurl -lmozjs
+
+dist_noinst_SCRIPTS = server-test
+noinst_PROGRAMS = client-test
+TESTS = server-test
+
diff --git a/sca-cpp/trunk/components/http/client-test.cpp b/sca-cpp/trunk/components/http/client-test.cpp
new file mode 100644
index 0000000000..eb8162b834
--- /dev/null
+++ b/sca-cpp/trunk/components/http/client-test.cpp
@@ -0,0 +1,84 @@
+/*
+ * 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 file database component.
+ */
+
+#include <assert.h>
+#include "stream.hpp"
+#include "string.hpp"
+
+#include "list.hpp"
+#include "value.hpp"
+#include "monad.hpp"
+#include "perf.hpp"
+#include "../../modules/http/http.hpp"
+
+namespace tuscany {
+namespace http {
+
+const string uri("http://localhost:8090/httpget");
+
+bool testGet() {
+    http::CURLSession cs("", "", "");
+
+    const failable<value> val = http::get(uri, cs);
+    assert(hasContent(val));
+    assert(contains(string(car<value>(cadr<value>(content(val)))), "It works"));
+
+    return true;
+}
+
+struct getLoop {
+    http::CURLSession cs;
+    getLoop(http::CURLSession cs) : cs(cs) {
+    }
+    const bool operator()() const {
+        const failable<value> val = http::get(uri, cs);
+        assert(hasContent(val));
+        assert(contains(string(car<value>(cadr<value>(content(val)))), "It works"));
+        return true;
+    }
+};
+
+bool testGetPerf() {
+    http::CURLSession cs("", "", "");
+
+    const lambda<bool()> gl = getLoop(cs);
+    cout << "HTTP get test " << time(gl, 5, 200) << " ms" << endl;
+
+    return true;
+}
+
+}
+}
+
+int main() {
+    tuscany::cout << "Testing..." << tuscany::endl;
+
+    tuscany::http::testGet();
+    tuscany::http::testGetPerf();
+
+    tuscany::cout << "OK" << tuscany::endl;
+
+    return 0;
+}
diff --git a/sca-cpp/trunk/components/http/http.composite b/sca-cpp/trunk/components/http/http.composite
new file mode 100644
index 0000000000..53f574a0e0
--- /dev/null
+++ b/sca-cpp/trunk/components/http/http.composite
@@ -0,0 +1,40 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ * 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.    
+-->
+<composite xmlns="http://docs.oasis-open.org/ns/opencsa/sca/200912"
+  xmlns:t="http://tuscany.apache.org/xmlns/sca/1.1"
+  targetNamespace="http://tuscany.apache.org/xmlns/sca/components"
+  name="http">
+        
+    <component name="httpget">
+        <implementation.cpp path="." library="libhttpget"/>
+        <service name="httpget">
+            <t:binding.http uri="httpget"/>
+        </service>
+        <reference name="url" target="url-test"/>
+    </component>
+
+    <component name="url-test">
+        <t:implementation.scheme script="url-test.scm"/>
+        <service name="url-test">
+            <t:binding.http uri="url-test"/>
+        </service>
+    </component>
+
+</composite>
diff --git a/sca-cpp/trunk/components/http/httpget.componentType b/sca-cpp/trunk/components/http/httpget.componentType
new file mode 100644
index 0000000000..620f549e21
--- /dev/null
+++ b/sca-cpp/trunk/components/http/httpget.componentType
@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ * 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.    
+-->
+<componentType xmlns="http://docs.oasis-open.org/ns/opencsa/sca/200912"
+  xmlns:xsd="http://www.w3.org/2001/XMLSchema"
+  xmlns:t="http://tuscany.apache.org/xmlns/sca/1.1"
+  targetNamespace="http://tuscany.apache.org/xmlns/sca/components">
+        
+    <service name="http"/>
+    <reference name="url"/>
+
+</composite>
diff --git a/sca-cpp/trunk/components/http/httpget.cpp b/sca-cpp/trunk/components/http/httpget.cpp
new file mode 100644
index 0000000000..e64761714c
--- /dev/null
+++ b/sca-cpp/trunk/components/http/httpget.cpp
@@ -0,0 +1,90 @@
+/*
+ * 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.
+ */
+
+/* $Rev$ $Date$ */
+
+/**
+ * HTTP client component implementation.
+ */
+
+#include "string.hpp"
+#include "function.hpp"
+#include "list.hpp"
+#include "value.hpp"
+#include "monad.hpp"
+#include "../../modules/http/http.hpp"
+
+namespace tuscany {
+namespace httpget {
+
+/**
+ * Evaluate an HTTP get.
+ */
+const failable<value> get(const lambda<value(const list<value>&)> url, http::CURLSession& ch) {
+    debug("httpget::get");
+    const value u = url(mklist<value>("get", list<value>()));
+    debug(u, "httpget::get::url");
+    return http::get(u, ch);
+}
+
+/**
+ * Component implementation lambda function.
+ */
+class applyhttp {
+public:
+    applyhttp(const lambda<value(const list<value>&)> url, http::CURLSession& ch) : url(url), ch(ch) {
+    }
+
+    const value operator()(const list<value>& params) const {
+        debug(params, "httpget::applyhttp::params");
+        const value func(car(params));
+        if (func == "get")
+            return get(url, ch);
+        return tuscany::mkfailure<tuscany::value>();
+    }
+
+private:
+    const lambda<value(const list<value>&)> url;
+    http::CURLSession& ch;
+};
+
+/**
+ * Start the component.
+ */
+const failable<value> start(const list<value>& params) {
+    // Create a CURL session
+    http::CURLSession& ch = *(new (gc_new<http::CURLSession>()) http::CURLSession("", "", ""));
+
+    // Return the component implementation lambda function
+    return value(lambda<value(const list<value>&)>(applyhttp(car(params), ch)));
+}
+
+}
+}
+
+extern "C" {
+
+const tuscany::value apply(const tuscany::list<tuscany::value>& params) {
+    const tuscany::value func(car(params));
+    if (func == "start")
+        return tuscany::httpget::start(cdr(params));
+    return tuscany::mkfailure<tuscany::value>();
+}
+
+}
diff --git a/sca-cpp/trunk/components/http/server-test b/sca-cpp/trunk/components/http/server-test
new file mode 100755
index 0000000000..edfeb5d189
--- /dev/null
+++ b/sca-cpp/trunk/components/http/server-test
@@ -0,0 +1,39 @@
+#!/bin/sh
+
+#  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.
+
+# Setup
+../../modules/http/httpd-conf tmp localhost 8090 ../../modules/http/htdocs
+../../modules/server/server-conf tmp
+../../modules/server/scheme-conf tmp
+cat >>tmp/conf/httpd.conf <<EOF
+SCAContribution `pwd`/
+SCAComposite http.composite
+EOF
+
+../../modules/http/httpd-start tmp
+sleep 2
+
+# Test
+./client-test 2>/dev/null
+rc=$?
+
+# Cleanup
+../../modules/http/httpd-stop tmp
+sleep 2
+return $rc
diff --git a/sca-cpp/trunk/components/http/url-test.scm b/sca-cpp/trunk/components/http/url-test.scm
new file mode 100644
index 0000000000..29e6629aa5
--- /dev/null
+++ b/sca-cpp/trunk/components/http/url-test.scm
@@ -0,0 +1,23 @@
+;  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.
+
+; URL test case
+
+(define (get id)
+    "http://localhost:8090/index.html"
+)
+