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form_server.cc
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/
form_server.cc
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// examples/form_server.cc
// A server receiving multipart form data.
#include <fstream>
#include <iostream>
#include <string>
#include "webcc/logger.h"
#include "webcc/response_builder.h"
#include "webcc/server.h"
// -----------------------------------------------------------------------------
class FileUploadView : public webcc::View {
public:
webcc::ResponsePtr Handle(webcc::RequestPtr request) override {
if (request->method() == "POST") {
return Post(request);
}
return {};
}
private:
webcc::ResponsePtr Post(webcc::RequestPtr request) {
std::cout << "form parts: " << request->form_parts().size() << std::endl;
for (auto& part : request->form_parts()) {
std::cout << "name: " << part->name() << std::endl;
if (part->file_name().empty()) {
std::cout << "data: " << part->data() << std::endl;
} else {
// Save part->data() to the current directory.
webcc::utility::WriteFile(part->file_name(), part->data());
}
}
return webcc::ResponseBuilder{}.Created().Body("OK")();
}
};
// -----------------------------------------------------------------------------
int main(int argc, char* argv[]) {
if (argc < 2) {
std::cout << "Usage: form_server <port>" << std::endl;
std::cout << "Example:" << std::endl;
std::cout << " $ form_server 8080" << std::endl;
return 1;
}
WEBCC_LOG_INIT("", webcc::LOG_CONSOLE);
std::uint16_t port = static_cast<std::uint16_t>(std::atoi(argv[1]));
try {
webcc::Server server{ boost::asio::ip::tcp::v4(), port };
// Enlarge the buffer size
server.set_buffer_size(10240);
server.Route("/upload", std::make_shared<FileUploadView>(), { "POST" });
server.Run();
} catch (const std::exception& e) {
std::cerr << e.what() << std::endl;
return 1;
}
return 0;
}