Move all folders inside /dbms one level up (#9974)

* Move some code outside dbms/src folder
* Fix paths

programs/server/HTTPHandlerFactory.cpp

@@ -0,0 +1,43 @@
+#include "HTTPHandlerFactory.h"
+
+
+namespace DB
+{
+
+HTTPRequestHandlerFactoryMain::HTTPRequestHandlerFactoryMain(IServer & server_, const std::string & name_)
+    : server(server_), log(&Logger::get(name_)), name(name_)
+{
+}
+
+Poco::Net::HTTPRequestHandler * HTTPRequestHandlerFactoryMain::createRequestHandler(
+    const Poco::Net::HTTPServerRequest & request) // override
+{
+    LOG_TRACE(log, "HTTP Request for " << name << ". "
+        << "Method: "
+        << request.getMethod()
+        << ", Address: "
+        << request.clientAddress().toString()
+        << ", User-Agent: "
+        << (request.has("User-Agent") ? request.get("User-Agent") : "none")
+        << (request.hasContentLength() ? (", Length: " + std::to_string(request.getContentLength())) : (""))
+        << ", Content Type: " << request.getContentType()
+        << ", Transfer Encoding: " << request.getTransferEncoding());
+
+    for (auto & handler_factory : child_handler_factories)
+    {
+        auto handler = handler_factory->createRequestHandler(request);
+        if (handler != nullptr)
+            return handler;
+    }
+
+    if (request.getMethod() == Poco::Net::HTTPRequest::HTTP_GET
+        || request.getMethod() == Poco::Net::HTTPRequest::HTTP_HEAD
+        || request.getMethod() == Poco::Net::HTTPRequest::HTTP_POST)
+    {
+        return new NotFoundHandler;
+    }
+
+    return nullptr;
+}
+
+}