Rename our allwpilib (which is now 2020) to not have 2019 in the name
Change-Id: I3c07f85ed32ab8b97db765a9b43f2a6ce7da964a
diff --git a/wpiutil/examples/webserver/webserver.cpp b/wpiutil/examples/webserver/webserver.cpp
new file mode 100644
index 0000000..e112d04
--- /dev/null
+++ b/wpiutil/examples/webserver/webserver.cpp
@@ -0,0 +1,86 @@
+/*----------------------------------------------------------------------------*/
+/* Copyright (c) 2018 FIRST. All Rights Reserved. */
+/* Open Source Software - may be modified and shared by FRC teams. The code */
+/* must be accompanied by the FIRST BSD license file in the root directory of */
+/* the project. */
+/*----------------------------------------------------------------------------*/
+
+#include <cstdio>
+
+#include "wpi/EventLoopRunner.h"
+#include "wpi/HttpServerConnection.h"
+#include "wpi/UrlParser.h"
+#include "wpi/raw_ostream.h"
+#include "wpi/uv/Loop.h"
+#include "wpi/uv/Tcp.h"
+
+namespace uv = wpi::uv;
+
+class MyHttpServerConnection : public wpi::HttpServerConnection {
+ public:
+ explicit MyHttpServerConnection(std::shared_ptr<uv::Stream> stream)
+ : HttpServerConnection(stream) {}
+
+ protected:
+ void ProcessRequest() override;
+};
+
+void MyHttpServerConnection::ProcessRequest() {
+ wpi::errs() << "HTTP request: '" << m_request.GetUrl() << "'\n";
+ wpi::UrlParser url{m_request.GetUrl(),
+ m_request.GetMethod() == wpi::HTTP_CONNECT};
+ if (!url.IsValid()) {
+ // failed to parse URL
+ SendError(400);
+ return;
+ }
+
+ wpi::StringRef path;
+ if (url.HasPath()) path = url.GetPath();
+ wpi::errs() << "path: \"" << path << "\"\n";
+
+ wpi::StringRef query;
+ if (url.HasQuery()) query = url.GetQuery();
+ wpi::errs() << "query: \"" << query << "\"\n";
+
+ const bool isGET = m_request.GetMethod() == wpi::HTTP_GET;
+ if (isGET && path.equals("/")) {
+ // build HTML root page
+ wpi::SmallString<256> buf;
+ wpi::raw_svector_ostream os{buf};
+ os << "<html><head><title>WebServer Example</title></head>";
+ os << "<body><p>This is an example root page from the webserver.";
+ os << "</body></html>";
+ SendResponse(200, "OK", "text/html", os.str());
+ } else {
+ SendError(404, "Resource not found");
+ }
+}
+
+int main() {
+ // Kick off the event loop on a separate thread
+ wpi::EventLoopRunner loop;
+ loop.ExecAsync([](uv::Loop& loop) {
+ auto tcp = uv::Tcp::Create(loop);
+
+ // bind to listen address and port
+ tcp->Bind("", 8080);
+
+ // when we get a connection, accept it and start reading
+ tcp->connection.connect([srv = tcp.get()] {
+ auto tcp = srv->Accept();
+ if (!tcp) return;
+ wpi::errs() << "Got a connection\n";
+ auto conn = std::make_shared<MyHttpServerConnection>(tcp);
+ tcp->SetData(conn);
+ });
+
+ // start listening for incoming connections
+ tcp->Listen();
+
+ wpi::errs() << "Listening on port 8080\n";
+ });
+
+ // wait for a keypress to terminate
+ std::getchar();
+}