callbacks.h
/*
* Copyright (C) 2014-2017 Savoir-faire Linux Inc.
* Authors: Adrien Béraud <adrien.beraud@savoirfairelinux.com>
* Simon Désaulniers <simon.desaulniers@savoirfairelinux.com>
* Sébastien Blin <sebastien.blin@savoirfairelinux.com>
*
* 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 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/>.
*/
#pragma once
#include "infohash.h"
#include "value.h"
#include <vector>
#include <memory>
#include <functional>
#ifdef OPENDHT_JSONCPP
#include <json/json.h>
#endif
namespace dht {
struct Node;
enum class NodeStatus {
Disconnected, // 0 nodes
Connecting, // 1+ nodes
Connected // 1+ good nodes
};
struct OPENDHT_PUBLIC NodeStats {
unsigned good_nodes {0},
dubious_nodes {0},
cached_nodes {0},
incoming_nodes {0};
unsigned table_depth {0};
unsigned getKnownNodes() const { return good_nodes + dubious_nodes; }
std::string toString() const;
#ifdef OPENDHT_JSONCPP
Json::Value toJson() const;
NodeStats() {};
explicit NodeStats(const Json::Value& v);
#endif
MSGPACK_DEFINE_MAP(good_nodes, dubious_nodes, cached_nodes, incoming_nodes, table_depth)
};
struct OPENDHT_PUBLIC NodeInfo {
InfoHash id;
InfoHash node_id;
NodeStats ipv4;
NodeStats ipv6;
#ifdef OPENDHT_JSONCPP
Json::Value toJson() const;
NodeInfo() {};
explicit NodeInfo(const Json::Value& v);
#endif
MSGPACK_DEFINE_MAP(id, node_id, ipv4, ipv6)
};
struct OPENDHT_PUBLIC Config {
InfoHash node_id;
NetId network;
bool is_bootstrap;
bool maintain_storage;
};
struct OPENDHT_PUBLIC SecureDhtConfig
{
Config node_config;
crypto::Identity id;
};
static constexpr size_t DEFAULT_STORAGE_LIMIT {1024 * 1024 * 64};
using ValuesExport = std::pair<InfoHash, Blob>;
using QueryCallback = std::function<bool(const std::vector<std::shared_ptr<FieldValueIndex>>& fields)>;
using GetCallback = std::function<bool(const std::vector<std::shared_ptr<Value>>& values)>;
using ValueCallback = std::function<bool(const std::vector<std::shared_ptr<Value>>& values, bool expired)>;
using GetCallbackSimple = std::function<bool(std::shared_ptr<Value> value)>;
using ShutdownCallback = std::function<void()>;
using CertificateStoreQuery = std::function<std::vector<std::shared_ptr<crypto::Certificate>>(const InfoHash& pk_id)>;
typedef bool (*GetCallbackRaw)(std::shared_ptr<Value>, void *user_data);
OPENDHT_PUBLIC GetCallbackSimple bindGetCb(GetCallbackRaw raw_cb, void* user_data);
OPENDHT_PUBLIC GetCallback bindGetCb(GetCallbackSimple cb);
using DoneCallback = std::function<void(bool success, const std::vector<std::shared_ptr<Node>>& nodes)>;
typedef void (*DoneCallbackRaw)(bool, std::vector<std::shared_ptr<Node>>*, void *user_data);
typedef void (*ShutdownCallbackRaw)(void *user_data);
typedef void (*DoneCallbackSimpleRaw)(bool, void *user_data);
typedef bool (*FilterRaw)(const Value&, void *user_data);
using DoneCallbackSimple = std::function<void(bool success)>;
OPENDHT_PUBLIC ShutdownCallback bindShutdownCb(ShutdownCallbackRaw shutdown_cb_raw, void* user_data);
OPENDHT_PUBLIC DoneCallback bindDoneCb(DoneCallbackSimple donecb);
OPENDHT_PUBLIC DoneCallback bindDoneCb(DoneCallbackRaw raw_cb, void* user_data);
OPENDHT_PUBLIC DoneCallbackSimple bindDoneCbSimple(DoneCallbackSimpleRaw raw_cb, void* user_data);
OPENDHT_PUBLIC Value::Filter bindFilterRaw(FilterRaw raw_filter, void* user_data);
}
dht::Hash< HASH_LEN >
dht
Definition: callbacks.h:34
dht::NodeStatus
NodeStatus
Definition: callbacks.h:41
dht::Config
Definition: callbacks.h:89
dht::Config::is_bootstrap
bool is_bootstrap
Definition: callbacks.h:101
dht::Config::network
NetId network
Definition: callbacks.h:98
dht::Config::node_id
InfoHash node_id
Definition: callbacks.h:91
dht::Config::maintain_storage
bool maintain_storage
Definition: callbacks.h:104
dht::NodeInfo
Definition: callbacks.h:68
dht::NodeStats
Definition: callbacks.h:47
dht::Node
Definition: node.h:47
dht::SecureDhtConfig
Definition: callbacks.h:111