#ifndef CPPCMS_FORWARDER_H

#define CPPCMS_FORWARDER_H

#include <cppcms/defs.h>

#include <booster/hold_ptr.h>

#include <booster/shared_ptr.h>

#include <booster/noncopyable.h>

#include <booster/thread.h>

#include <string>

#include <map>

namespace cppcms {

class mount_point;

namespace http {

class context;

}

///

/// \brief Class responsble for automaticall forwarding of HTTP/CGI requests to other hosts over SCGI.

///

/// This class allows you to strasfer connections transparently and efficiently for specific applications

/// like single server responsible for Comet processing

///

class CPPCMS_API forwarder {

public:

/// \cond INTERNAL

forwarder();

~forwarder();

typedef std::pair<std::string,int> address_type;

address_type check_forwading_rules(std::string const &h,std::string const &s,std::string const &p);

address_type check_forwading_rules(char const *h,char const *s,char const *p);

/// \endcond

///

/// Add forwarding of request that match a mount_point \a p over SCGI \a ip and \a port.

///

void add_forwarding_rule(booster::shared_ptr<mount_point> p,std::string const &ip,int port);

///

/// Remove the forwarding request, you need to use smake pointer you used in add_forwarding_rule

///

void remove_forwarding_rule(booster::shared_ptr<mount_point> p);

private:

typedef std::map<booster::shared_ptr<mount_point> ,address_type> rules_type;

rules_type rules_;

booster::shared_mutex mutex_;

struct _data;

booster::hold_ptr<_data> d;

};

///

/// Forward the connection handled by \a cont to other node at IP \a ip listenning to on port \a port over

/// SCGI protocol.

///

/// The context must be released first by calling cppcms::application::release_context() and it should not

/// be used after this function call.

///

/// Please note: forwarding would not work for POST requests with multipart/form-data Content type as they

/// are stored and managed differently.

///

void CPPCMS_API forward_connection(booster::shared_ptr<http::context> cont,std::string const &ip,int port);

}

#endif