/* vim: set expandtab ts=4 sw=4: */
/*
 * You may redistribute this program and/or modify it under the terms of
 * the GNU General Public License as published by the Free Software Foundation,
 * either version 3 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 <https://www.gnu.org/licenses/>.
 */
#ifndef MsgCore_H
#define MsgCore_H

#include "interface/Iface.h"
#include "crypto/random/Random.h"
#include "util/events/EventBase.h"
#include "benc/Dict.h"
#include "memory/Allocator.h"
#include "dht/Address.h"
#include "switch/EncodingScheme.h"
#include "util/log/Log.h"
#include "util/Linker.h"
Linker_require("subnode/MsgCore.c")

struct MsgCore_Handler;
struct MsgCore;

typedef struct Error_s (* MsgCore_HandlerCb)(Dict* msg,
                                             struct Address* src,
                                             struct Allocator* tmpAlloc,
                                             struct MsgCore_Handler* handler);

struct MsgCore_Handler
{
    MsgCore_HandlerCb cb;
    void* userData;
};

void MsgCore_sendResponse(struct MsgCore* core,
                          Dict* msgDict,
                          struct Address* target,
                          struct Allocator* alloc);

struct MsgCore_Promise;

typedef void (* MsgCore_PromiseCb)(Dict* msg, struct Address* src, struct MsgCore_Promise* promise);

struct MsgCore_Promise
{
    Dict* msg;
    struct Address* target;
    struct Allocator* alloc;
    void* userData;
    MsgCore_PromiseCb cb;
    uint32_t lag;
};

struct MsgCore_Promise* MsgCore_createQuery(struct MsgCore* core,
                                            uint32_t timeoutMilliseconds,
                                            struct Allocator* alloc);

struct MsgCore_Handler* MsgCore_onQuery(struct MsgCore* core,
                                        char* queryType,
                                        struct Allocator* alloc);

struct MsgCore
{
    struct Iface interRouterIf;
};

struct MsgCore* MsgCore_new(struct EventBase* base,
                            struct Random* rand,
                            struct Allocator* allocator,
                            struct Log* log,
                            struct EncodingScheme* scheme);

#endif