ServiceBase.h

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/*
 * This file is part of the TrinityCore Project. See AUTHORS file for Copyright information
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the
 * Free Software Foundation; either version 2 of the License, or (at your
 * option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program. If not, see <http://www.gnu.org/licenses/>.
 */
 
#ifndef ServiceBase_h__
#define ServiceBase_h__
 
#include "MessageBuffer.h"
#include "Define.h"
#include <functional>
#include <string>
 
namespace google
{
    namespace protobuf
    {
        class Descriptor;
        class Message;
    }
}
 
class TC_PROTO_API ServiceBase
{
public:
    explicit ServiceBase(uint32 serviceHash) : service_hash_(serviceHash) { }
 
    virtual ~ServiceBase() { }
 
    virtual void CallServerMethod(uint32 token, uint32 methodId, MessageBuffer buffer) = 0;
 
    virtual std::string GetCallerInfo() const = 0;
 
    void LogDisallowedMethod(uint32 methodId);
    void LogCallClientMethod(char const* methodName, char const* inputTypeName, google::protobuf::Message const* request);
    void LogCallServerMethod(char const* methodName, char const* inputTypeName, google::protobuf::Message const* request);
    void LogUnimplementedServerMethod(char const* methodName, google::protobuf::Message const* request);
    void LogInvalidMethod(uint32 methodId);
    void LogFailedParsingRequest(char const* methodName);
 
    uint32 GetServiceHash() const { return service_hash_; }
 
protected:
    std::function<void(ServiceBase*, uint32, ::google::protobuf::Message const*)> CreateServerContinuation(uint32 token, uint32 methodId, char const* methodName, google::protobuf::Descriptor const* outputDescriptor);
 
    virtual void SendRequest(uint32 serviceHash, uint32 methodId, google::protobuf::Message const* request, std::function<void(MessageBuffer)> callback) = 0;
    virtual void SendRequest(uint32 serviceHash, uint32 methodId, google::protobuf::Message const* request) = 0;
    virtual void SendResponse(uint32 serviceHash, uint32 methodId, uint32 token, uint32 status) = 0;
    virtual void SendResponse(uint32 serviceHash, uint32 methodId, uint32 token, google::protobuf::Message const* response) = 0;
 
    uint32 service_hash_;
};
 
#endif // ServiceBase_h__