Rework book server and client.

examples/book_server/main.cc

@@ -0,0 +1,68 @@
+#include <iostream>
+
+#include "boost/filesystem/operations.hpp"
+
+#include "webcc/logger.h"
+#include "webcc/server.h"
+
+#include "views.h"
+
+// Memory leak detection with VLD.
+#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
+
+int main(int argc, char* argv[]) {
+  if (argc < 3) {
+    std::cout << "usage: book_server <port> <upload_dir>" << std::endl;
+    std::cout << "e.g.," << std::endl;
+    std::cout << "  $ book_server 8080 D:/upload" << std::endl;
+    return 1;
+  }
+
+  WEBCC_LOG_INIT("", webcc::LOG_CONSOLE);
+
+  std::uint16_t port = static_cast<std::uint16_t>(std::atoi(argv[1]));
+
+  bfs::path upload_dir = argv[2];
+  if (!bfs::is_directory(upload_dir) || !bfs::exists(upload_dir)) {
+    std::cerr << "Invalid upload dir!" << std::endl;
+    return 1;
+  }
+
+  // Add a sub-dir for book photos.
+  bfs::path photo_dir = upload_dir / "books";
+  if (!bfs::exists(photo_dir)) {
+    bfs::create_directory(photo_dir);
+  }
+
+  std::cout << "Book photos will be saved to: " << photo_dir << std::endl;
+
+  try {
+    webcc::Server server(port);  // No doc root
+
+    server.Route("/books",
+                 std::make_shared<BookListView>(),
+                 { "GET", "POST" });
+
+    server.Route(webcc::R("/books/(\\d+)"),
+                 std::make_shared<BookDetailView>(photo_dir),
+                 { "GET", "PUT", "DELETE" });
+
+    server.Route(webcc::R("/books/(\\d+)/photo"),
+                 std::make_shared<BookPhotoView>(photo_dir),
+                 { "GET", "PUT", "DELETE" });
+
+    server.Run(2);
+
+  } catch (const std::exception& e) {
+    std::cerr << e.what() << std::endl;
+    return 1;
+  }
+
+  return 0;
+}