Original

main.cpp

@@ -1,17 +1,54 @@
-#include <iostream>
+#include "cpprest/http_client.h"
+#include "cpprest/filestream.h"
 
-#include <spdlog/spdlog.h>
-#include <yaml-cpp/yaml.h>
-#include "oatpp/network/Server.hpp"
-#include "oatpp-websocket/AsyncWebSocket.hpp"
+using namespace utility;                    // Common utilities like string conversions
+using namespace web;                        // Common features like URIs.
+using namespace web::http;                  // Common HTTP functionality
+using namespace web::http::client;          // HTTP client features
+using namespace concurrency::streams;       // Asynchronous streams
 
-int main() {
+int main(int argc, char* argv[])
+{
+    auto fileStream = std::make_shared<ostream>();
 
-    oatpp::base::Environment::init();
+    // Open stream to output file.
+    pplx::task<void> requestTask = fstream::open_ostream(U("results.html")).then([=](ostream outFile)
+                                                                                 {
+                                                                                     *fileStream = outFile;
 
-    std::cout << "Hello, World!" << std::endl;
+                                                                                     // Create http_client to send the request.
+                                                                                     http_client client(U("http://www.bing.com/"));
 
-    spdlog::warn("Easy padding in numbers like {:08d}", 12);
+                                                                                     // Build request URI and start the request.
+                                                                                     uri_builder builder(U("/search"));
+                                                                                     builder.append_query(U("q"), U("cpprestsdk github"));
+                                                                                     return client.request(methods::GET, builder.to_string());
+                                                                                 })
+
+                    // Handle response headers arriving.
+            .then([=](http_response response)
+                  {
+                      printf("Received response status code:%u\n", response.status_code());
+
+                      // Write response body into the file.
+                      return response.body().read_to_end(fileStream->streambuf());
+                  })
+
+                    // Close the file stream.
+            .then([=](size_t)
+                  {
+                      return fileStream->close();
+                  });
+
+    // Wait for all the outstanding I/O to complete and handle any exceptions
+    try
+    {
+        requestTask.wait();
+    }
+    catch (const std::exception &e)
+    {
+        printf("Error exception:%s\n", e.what());
+    }
 
     return 0;
-}
+}