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rippled/src/ripple/rpc/api/Manager.h
2013-11-12 19:30:07 -08:00

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2.6 KiB
C++

//------------------------------------------------------------------------------
/*
This file is part of rippled: https://github.com/ripple/rippled
Copyright (c) 2012, 2013 Ripple Labs Inc.
Permission to use, copy, modify, and/or distribute this software for any
purpose with or without fee is hereby granted, provided that the above
copyright notice and this permission notice appear in all copies.
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
ANY SPECIAL , DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
//==============================================================================
#ifndef RIPPLE_RPC_MANAGER_H_INCLUDED
#define RIPPLE_RPC_MANAGER_H_INCLUDED
#include "../../../beast/beast/utility/Journal.h"
#include "Handler.h"
#include "Service.h"
namespace ripple {
using namespace beast;
namespace RPC {
/** Manages a collection of Service interface objects. */
class Manager
{
public:
static Manager* New (Journal journal);
virtual ~Manager() { }
/** Add a service.
The list of commands that the service handles is enumerated and
added to the manager's dispatch table.
Thread safety:
Safe to call from any thread.
May only be called once for a given service.
*/
virtual void add (Service& service) = 0;
/** Add a subclass of Service and return the original pointer.
This is provided as a convenient so that RPCService objects may
be added from ctor-initializer lists.
*/
template <class Derived>
Derived* add (Derived* derived)
{
add (*(static_cast <Service*>(derived)));
return derived;
}
/** Execute an RPC command synchronously.
On return, if result.first == `true` then result.second will
have the Json return value from the call of the handler.
*/
virtual std::pair <bool, Json::Value> call (
std::string const& method, Json::Value const& args) = 0;
/** Returns the Handler for the specified method, or nullptr.
Thread safety:
Safe to call from any threads.
*/
virtual Handler const* find (std::string const& method) = 0;
};
}
}
#endif