Add http samples (#1004)

IoT.js-DCO-1.0-Signed-off-by: Daeyeon Jeong [email protected]

Author: daeyeon

samples/http_hello/client_get.js

@@ -0,0 +1,39 @@
+/* Copyright 2017-present Samsung Electronics Co., Ltd. and other contributors
+ *
+ * Licensed 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.
+ */
+
+var http = require('http');
+var options = {
+  hostname: '127.0.0.1',
+  port: 8080,
+  path: '/'
+};
+
+http.request(options, function (res) {
+  receive(res, function (data) {
+    console.log(data);
+  });
+}).end();
+
+function receive(incoming, callback) {
+  var data = '';
+
+  incoming.on('data', function (chunk) {
+    data += chunk;
+  });
+
+  incoming.on('end', function () {
+    callback ? callback(data) : '';
+  });
+}

samples/http_hello/client_post.js

@@ -0,0 +1,50 @@
+/* Copyright 2017-present Samsung Electronics Co., Ltd. and other contributors
+ *
+ * Licensed 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.
+ */
+
+var http = require('http');
+
+var message = JSON.stringify({
+  greeting: 'Hello, IoT.JS!',
+  answer: '',
+});
+
+var options = {
+  hostname: '127.0.0.1',
+  port: 8080,
+  path: '/',
+  method: 'POST',
+  headers: {
+    'Content-Length': message.length
+  }
+};
+
+http.request(options, function (res) {
+  receive(res, function (data) {
+    var obj = JSON.parse(data);
+    console.log(obj.answer);
+  });
+}).end(message);
+
+function receive(incoming, callback) {
+  var data = '';
+
+  incoming.on('data', function (chunk) {
+    data += chunk;
+  });
+
+  incoming.on('end', function () {
+    callback ? callback(data) : '';
+  });
+}

samples/http_hello/server.js

@@ -0,0 +1,60 @@
+/* Copyright 2017-present Samsung Electronics Co., Ltd. and other contributors
+ *
+ * Licensed 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.
+ */
+
+var http = require('http');
+var port = 8080;
+
+http.createServer(function (req, res) {
+  if (req.method == 'GET') {
+    status(res, 'Hello, IoT.JS!');
+
+  } else if (req.method == 'POST') {
+    receive(req, function (data) {
+      var obj = JSON.parse(data);
+      obj.answer = 'Hello, There!'
+      status(res, obj);
+    });
+  }
+}).listen(port);
+
+function receive(incoming, callback) {
+  var data = '';
+
+  incoming.on('data', function (chunk) {
+    data += chunk;
+  });
+
+  incoming.on('end', function () {
+    callback ? callback(data) : '';
+  });
+}
+
+function status(res, data) {
+  var isJson = (typeof data === 'object');
+
+  if (isJson) {
+    data = JSON.stringify(data);
+  }
+
+  var headers = {
+    'Access-Control-Allow-Origin': '*',
+    'Access-Control-Allow-Headers':
+    'Origin, X-Requested-With, Content-Type, Accept',
+    'Content-Type': isJson ? 'application/json' : 'text/plain',
+  };
+
+  res.writeHead(200, headers);
+  res.end(data);
+};