Reorganize folder structure.

example/rest_book_client/CMakeLists.txt

@@ -0,0 +1,4 @@
+add_executable(rest_book_client main.cc)
+
+target_link_libraries(rest_book_client webcc jsoncpp ${Boost_LIBRARIES})
+target_link_libraries(rest_book_client "${CMAKE_THREAD_LIBS_INIT}")

example/rest_book_client/main.cc

@@ -0,0 +1,200 @@
+#include <iostream>
+
+#include "json/json.h"
+
+#include "webcc/logger.h"
+#include "webcc/rest_client.h"
+
+// In order to run with VLD, please copy the following files to the example
+// output folder from "third_party\win32\bin":
+//   - dbghelp.dll
+//   - Microsoft.DTfW.DHL.manifest
+//   - vld_x86.dll
+#if (defined(WIN32) || defined(_WIN64))
+#if defined(_DEBUG) && defined(WEBCC_ENABLE_VLD)
+#pragma message ("< include vld.h >")
+#include "vld/vld.h"
+#pragma comment(lib, "vld")
+#endif
+#endif
+
+// -----------------------------------------------------------------------------
+
+// Write a JSON object to string.
+std::string JsonToString(const Json::Value& json) {
+  Json::StreamWriterBuilder builder;
+  return Json::writeString(builder, json);
+}
+
+// -----------------------------------------------------------------------------
+
+class BookClientBase {
+public:
+  BookClientBase(const std::string& host, const std::string& port,
+                 int timeout_seconds)
+      : rest_client_(host, port) {
+    rest_client_.set_timeout_seconds(timeout_seconds);
+  }
+
+  virtual ~BookClientBase() = default;
+
+protected:
+  void PrintSeparateLine() {
+    std::cout << "--------------------------------";
+    std::cout << "--------------------------------";
+    std::cout << std::endl;
+  }
+
+  void PrintError() {
+    std::cout << webcc::DescribeError(rest_client_.error());
+    if (rest_client_.timed_out()) {
+      std::cout << " (timed out)";
+    }
+    std::cout << std::endl;
+  }
+
+  webcc::RestClient rest_client_;
+};
+
+// -----------------------------------------------------------------------------
+
+class BookListClient : public BookClientBase {
+public:
+  BookListClient(const std::string& host, const std::string& port,
+                 int timeout_seconds)
+      : BookClientBase(host, port, timeout_seconds) {
+  }
+
+  bool ListBooks() {
+    PrintSeparateLine();
+    std::cout << "ListBooks" << std::endl;
+
+    if (!rest_client_.Get("/books")) {
+      PrintError();
+      return false;
+    }
+
+    std::cout << rest_client_.response_content() << std::endl;
+    return true;
+  }
+
+  bool CreateBook(const std::string& id,
+                  const std::string& title,
+                  double price) {
+    PrintSeparateLine();
+    std::cout << "CreateBook: " << id << ", " << title << ", " << price
+              << std::endl;
+
+    Json::Value json(Json::objectValue);
+    json["id"] = id;
+    json["title"] = title;
+    json["price"] = price;
+
+    if (!rest_client_.Post("/books", JsonToString(json))) {
+      PrintError();
+      return false;
+    }
+
+    std::cout << rest_client_.response_status() << std::endl;
+
+    return true;
+  }
+};
+
+// -----------------------------------------------------------------------------
+
+class BookDetailClient : public BookClientBase {
+public:
+  BookDetailClient(const std::string& host, const std::string& port,
+                   int timeout_seconds)
+      : BookClientBase(host, port, timeout_seconds) {
+  }
+
+  bool GetBook(const std::string& id) {
+    PrintSeparateLine();
+    std::cout << "GetBook: " << id << std::endl;
+
+    if (!rest_client_.Get("/book/" + id)) {
+      PrintError();
+      return false;
+    }
+
+    std::cout << rest_client_.response_content() << std::endl;
+    return true;
+  }
+
+  bool UpdateBook(const std::string& id,
+                  const std::string& title,
+                  double price) {
+    PrintSeparateLine();
+    std::cout << "UpdateBook: " << id << ", " << title << ", " << price
+              << std::endl;
+
+    // NOTE: ID is already in the URL.
+    Json::Value json(Json::objectValue);
+    json["title"] = title;
+    json["price"] = price;
+
+    if (!rest_client_.Put("/book/" + id, JsonToString(json))) {
+      PrintError();
+      return false;
+    }
+
+    std::cout << rest_client_.response_status() << std::endl;
+    return true;
+  }
+
+  bool DeleteBook(const std::string& id) {
+    PrintSeparateLine();
+    std::cout << "DeleteBook: " << id << std::endl;
+
+    if (!rest_client_.Delete("/book/" + id)) {
+      PrintError();
+      return false;
+    }
+
+    std::cout << rest_client_.response_status() << std::endl;
+    return true;
+  }
+};
+
+// -----------------------------------------------------------------------------
+
+void Help(const char* argv0) {
+  std::cout << "Usage: " << argv0 << " <host> <port> [timeout]" << std::endl;
+  std::cout << "  E.g.," << std::endl;
+  std::cout << "    " << argv0 << " localhost 8080" << std::endl;
+  std::cout << "    " << argv0 << " localhost 8080 2" << std::endl;
+}
+
+int main(int argc, char* argv[]) {
+  if (argc < 3) {
+    Help(argv[0]);
+    return 1;
+  }
+
+  WEBCC_LOG_INIT("", webcc::LOG_CONSOLE_FILE_OVERWRITE);
+
+  std::string host = argv[1];
+  std::string port = argv[2];
+
+  int timeout_seconds = -1;
+  if (argc > 3) {
+    timeout_seconds = std::atoi(argv[3]);
+  }
+
+  BookListClient list_client(host, port, timeout_seconds);
+  BookDetailClient detail_client(host, port, timeout_seconds);
+
+  list_client.ListBooks();
+  list_client.CreateBook("1", "1984", 12.3);
+
+  detail_client.GetBook("1");
+  detail_client.UpdateBook("1", "1Q84", 32.1);
+  detail_client.GetBook("1");
+  detail_client.DeleteBook("1");
+
+  list_client.ListBooks();
+
+  return 0;
+}