express::dispatcher::MiddlewareDispatcher Class Reference

#include <MiddlewareDispatcher.h>

Inheritance diagram for express::dispatcher::MiddlewareDispatcher:

Collaboration diagram for express::dispatcher::MiddlewareDispatcher:

Public Member Functions
	MiddlewareDispatcher (const std::function< void(const std::shared_ptr< Request > &, const std::shared_ptr< Response > &, express::Next &)> &lambda)
Public Member Functions inherited from express::Dispatcher
	Dispatcher (const Dispatcher &)=delete
Dispatcher &	operator= (const Dispatcher &)=delete
	Dispatcher ()=default
virtual	~Dispatcher ()
bool	dispatchNext (Controller &controller, bool strictRouting, bool caseInsensitiveRouting, bool mergeParams)

Private Member Functions
bool	dispatch (express::Controller &controller, const express::MountPoint &mountPoint, bool strictRouting, bool caseInsensitiveRouting, bool mergeParams) override
std::list< std::string >	getRoutes (const std::string &parentMountPath, const MountPoint &mountPoint, bool strictRouting) const override

Private Attributes
const std::function< void(const std::shared_ptr< Request > &, const std::shared_ptr< Response > &, express::Next &)>	lambda
std::regex	regex
std::vector< std::string >	names

Additional Inherited Members
Protected Attributes inherited from express::Dispatcher
std::shared_ptr< Route >	nextRoute = nullptr

Detailed Description

Definition at line 65 of file MiddlewareDispatcher.h.

Constructor & Destructor Documentation

MiddlewareDispatcher()

express::dispatcher::MiddlewareDispatcher::MiddlewareDispatcher ( const std::function< void(const std::shared_ptr< Request > &, const std::shared_ptr< Response > &, express::Next &)> & lambda )

explicit

Definition at line 63 of file MiddlewareDispatcher.cpp.

        : lambda(lambda) {
    }

References lambda.

Member Function Documentation

dispatch()

bool express::dispatcher::MiddlewareDispatcher::dispatch ( express::Controller & controller, const express::MountPoint & mountPoint, bool strictRouting, bool caseInsensitiveRouting, bool mergeParams )

overrideprivatevirtual

Implements express::Dispatcher.

Definition at line 68 of file MiddlewareDispatcher.cpp.

                                                          {
        LOG(TRACE) << "======================= MIDDLEWARE  DISPATCH =======================";
        LOG(TRACE) << controller.getResponse()->getSocketContext()->getSocketConnection()->getConnectionName();
        LOG(TRACE) << "          Request Method: " << controller.getRequest()->method;
        LOG(TRACE) << "             Request Url: " << controller.getRequest()->url;
        LOG(TRACE) << "            Request Path: " << controller.getRequest()->path;
        LOG(TRACE) << "       Mountpoint Method: " << mountPoint.method;
        LOG(TRACE) << "         Mountpoint Path: " << mountPoint.relativeMountPath;
        LOG(TRACE) << "           StrictRouting: " << strictRouting;
        LOG(TRACE) << "  CaseInsensitiveRouting: " << caseInsensitiveRouting;
        LOG(TRACE) << "             MergeParams: " << mergeParams;
 
        bool dispatched = false;
 
        const bool methodMatchesResult = methodMatches(controller.getRequest()->method, mountPoint.method);
        const bool replayingNext = (controller.getFlags() & Controller::NEXT) != 0;
 
        if (methodMatchesResult) {
            const MountMatchResult match =
                matchMountPoint(controller, mountPoint.relativeMountPath, mountPoint, regex, names, strictRouting, caseInsensitiveRouting);
 
            if (match.requestMatched) {
                LOG(TRACE) << "----------------------- MIDDLEWARE     MATCH -----------------------";
 
                dispatched = true;
 
                if (!match.decodeError) {
                    express::Request& request = *controller.getRequest();
                    request.queries.insert(match.requestQueryPairs.begin(), match.requestQueryPairs.end());
 
                    // Express-style mount path stripping is only applied for use()
                    const ScopedPathStrip pathStrip(request, match.isPrefix, match.consumedLength);
                    const ScopedParams scopedParams(request, match.params, mergeParams);
 
                    if (!replayingNext) {
                        Next next(controller);
                        lambda(controller.getRequest(), controller.getResponse(), next);
 
                        // If next() was called synchronously continue current route-tree traversal
                        if ((next.controller.getFlags() & express::Controller::NEXT) != 0) {
                            LOG(TRACE) << "Express: M - Next called - set to NO MATCH";
                            dispatched = false;
                            controller = next.controller;
                        }
                    } else {
                        dispatched = controller.dispatchNext(strictRouting, caseInsensitiveRouting, mergeParams);
                    }
                } else {
                    controller.getResponse()->sendStatus(400);
                }
 
            } else {
                LOG(TRACE) << "----------------------- MIDDLEWARE   NOMATCH -----------------------";
            }
        } else {
            LOG(TRACE) << "----------------------- MIDDLEWARE   NOMATCH -----------------------";
        }
 
        return dispatched;
    }

References express::dispatcher::MountMatchResult::consumedLength, express::Next::controller, express::dispatcher::MountMatchResult::decodeError, express::Controller::dispatchNext(), core::socket::stream::SocketConnection::getConnectionName(), express::Controller::getFlags(), express::Controller::getRequest(), express::Controller::getResponse(), core::socket::stream::SocketContext::getSocketConnection(), express::Response::getSocketContext(), express::dispatcher::MountMatchResult::isPrefix, lambda, logger::LogMessage::LogMessage(), express::dispatcher::matchMountPoint(), express::MountPoint::method, express::Request::method, express::dispatcher::methodMatches(), names, express::Controller::NEXT, express::Next::Next(), express::Controller::operator=(), express::dispatcher::MountMatchResult::params, express::Request::path, express::Request::queries, express::MountPoint::relativeMountPath, express::dispatcher::MountMatchResult::requestMatched, express::dispatcher::MountMatchResult::requestQueryPairs, express::dispatcher::ScopedParams::ScopedParams(), express::dispatcher::ScopedPathStrip::ScopedPathStrip(), express::Response::sendStatus(), logger::TRACE, and express::Request::url.

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getRoutes()

std::list< std::string > express::dispatcher::MiddlewareDispatcher::getRoutes ( const std::string & parentMountPath, const MountPoint & mountPoint, bool strictRouting ) const

overrideprivatevirtual

Implements express::Dispatcher.

Definition at line 134 of file MiddlewareDispatcher.cpp.

                                                                                                                            {
        std::list<std::string> routes{"M " + joinMountPath(parentMountPath, mountPoint.relativeMountPath) + (!strictRouting ? "*" : "")};
        routes.push_back("  " + mountPoint.method + " " + mountPoint.relativeMountPath);
 
        if (nextRoute) {
            routes.splice(routes.end(), nextRoute->getRoute(parentMountPath, strictRouting));
        }
 
        return routes;
    }

References express::Route::getRoute(), express::dispatcher::joinMountPath(), express::MountPoint::method, express::Dispatcher::nextRoute, and express::MountPoint::relativeMountPath.

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Member Data Documentation

lambda

const std::function<void(const std::shared_ptr<Request>&, const std::shared_ptr<Response>&, express::Next&)> express::dispatcher::MiddlewareDispatcher::lambda

private

Definition at line 80 of file MiddlewareDispatcher.h.

Referenced by dispatch(), and MiddlewareDispatcher().

names

std::vector<std::string> express::dispatcher::MiddlewareDispatcher::names

private

Definition at line 83 of file MiddlewareDispatcher.h.

Referenced by dispatch().

regex

std::regex express::dispatcher::MiddlewareDispatcher::regex

private

Definition at line 82 of file MiddlewareDispatcher.h.

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The documentation for this class was generated from the following files:

• express/dispatcher/MiddlewareDispatcher.h
• express/dispatcher/MiddlewareDispatcher.cpp