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ReplicationClient.cpp
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ReplicationClient.cpp
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/*++
Program name:
Апостол CRM
Module Name:
ReplicationClient.cpp
Notices:
Replication Client
Author:
Copyright (c) Prepodobny Alen
mailto: alienufo@inbox.ru
mailto: ufocomp@gmail.com
--*/
#include "Core.hpp"
#include "ReplicationClient.hpp"
//----------------------------------------------------------------------------------------------------------------------
#define REPLICATION_CONNECTION_DATA_NAME "Replication"
//----------------------------------------------------------------------------------------------------------------------
extern "C++" {
namespace Apostol {
namespace Replication {
CString GenUniqueId() {
return GetUID(32).Lower();
}
//--------------------------------------------------------------------------------------------------------------
//-- CReplicationClient ----------------------------------------------------------------------------------------
//--------------------------------------------------------------------------------------------------------------
CReplicationClient::CReplicationClient(): CCustomWebSocketClient() {
m_SendCount = 0;
m_ApplyDate = 0;
m_MaxLogId = 0;
m_MaxRelayId = 0;
m_PingDateTime = 0;
m_PongDateTime = 0;
m_HeartbeatDateTime = 0;
m_RegistrationDateTime = 0;
m_HeartbeatInterval = 600;
m_Proxy = false;
m_Authorized = false;
m_OnReplicationLog = nullptr;
m_OnReplicationCheckLog = nullptr;
m_OnReplicationCheckRelay = nullptr;
}
//--------------------------------------------------------------------------------------------------------------
CReplicationClient::CReplicationClient(const CLocation &URI): CCustomWebSocketClient(URI) {
m_SendCount = 0;
m_ApplyDate = 0;
m_MaxLogId = 0;
m_MaxRelayId = 0;
m_PingDateTime = 0;
m_PongDateTime = 0;
m_HeartbeatDateTime = 0;
m_RegistrationDateTime = 0;
m_HeartbeatInterval = 600;
m_Proxy = false;
m_Authorized = false;
m_OnReplicationLog = nullptr;
m_OnReplicationCheckLog = nullptr;
m_OnReplicationCheckRelay = nullptr;
}
//--------------------------------------------------------------------------------------------------------------
void CReplicationClient::Reload() {
m_Authorized = false;
m_SendCount = 0;
m_ApplyDate = 0;
m_PongDateTime = 0;
m_HeartbeatDateTime = 0;
m_RegistrationDateTime = 0;
}
//--------------------------------------------------------------------------------------------------------------
void CReplicationClient::CheckCallError(const CWSMessage &Error, const CWSMessage &Message) {
if (Error.ErrorCode == 401) {
m_Authorized = false;
m_RegistrationDateTime = 0;
m_MessageList.Add(Message);
}
}
//--------------------------------------------------------------------------------------------------------------
bool CReplicationClient::Authorized() const {
return m_Authorized;
}
//--------------------------------------------------------------------------------------------------------------
void CReplicationClient::SendAuthorize() {
auto OnRequest = [this](CWebSocketMessageHandler *AHandler, CWebSocketConnection *AWSConnection) {
const auto &wsMessage = RequestToMessage(AWSConnection);
if (wsMessage.MessageTypeId == mtCallResult) {
if (wsMessage.Payload.HasOwnProperty("authorized")) {
m_Authorized = wsMessage.Payload["authorized"].AsBoolean();
}
SendSubscribe();
} else if (wsMessage.MessageTypeId == mtCallError) {
DoError(wsMessage.ErrorCode, wsMessage.ErrorMessage);
}
};
CWSMessage Message;
Message.MessageTypeId = WSProtocol::mtOpen;
Message.UniqueId = GenUniqueId();
Message.Action = "Authorize";
Message.Payload = CString().Format(R"({"secret": "%s"})", m_Secret.c_str());
SendMessage(Message, OnRequest);
}
//--------------------------------------------------------------------------------------------------------------
void CReplicationClient::SendSubscribe() {
auto OnRequest = [this](CWebSocketMessageHandler *AHandler, CWebSocketConnection *AWSConnection) {
const auto &wsMessage = RequestToMessage(AWSConnection);
if (wsMessage.MessageTypeId == mtCallResult) {
SendGetMaxRelay();
} else if (wsMessage.MessageTypeId == mtCallError) {
DoError(wsMessage.ErrorCode, wsMessage.ErrorMessage);
}
};
CWSMessage Message;
Message.MessageTypeId = WSProtocol::mtCall;
Message.UniqueId = GenUniqueId();
Message.Action = "/observer/subscribe";
Message.Payload = CString().Format(R"({"publisher": "replication", "params": {"source": "%s"}})", m_Source.c_str());
SendMessage(Message, OnRequest);
}
//--------------------------------------------------------------------------------------------------------------
void CReplicationClient::SendApply() {
auto OnRequest = [this](CWebSocketMessageHandler *AHandler, CWebSocketConnection *AWSConnection) {
const auto &wsMessage = RequestToMessage(AWSConnection);
if (wsMessage.MessageTypeId == mtCallResult) {
if (wsMessage.Payload.HasOwnProperty("count")) {
const auto count = wsMessage.Payload["count"].AsInteger();
if (count > 0) {
m_ApplyDate = 0;
}
}
} else if (wsMessage.MessageTypeId == mtCallError) {
CheckCallError(wsMessage, AHandler->Message());
DoError(wsMessage.ErrorCode, wsMessage.ErrorMessage);
}
};
CWSMessage Message;
Message.MessageTypeId = WSProtocol::mtCall;
Message.UniqueId = GenUniqueId();
Message.Action = "/replication/apply";
Message.Payload = CString().Format(R"({"source": "%s"})", m_Source.c_str());
SendMessage(Message, OnRequest);
}
//--------------------------------------------------------------------------------------------------------------
void CReplicationClient::SendGetMaxLog() {
auto OnRequest = [this](CWebSocketMessageHandler *AHandler, CWebSocketConnection *AWSConnection) {
const auto &wsMessage = RequestToMessage(AWSConnection);
if (wsMessage.MessageTypeId == mtCallResult) {
if (wsMessage.Payload.HasOwnProperty("id")) {
const auto &caId = wsMessage.Payload["id"];
if (caId.AsString() != "null") {
m_MaxLogId = caId.AsLong();
DoReplicationCheckLog(m_MaxLogId);
}
}
} else if (wsMessage.MessageTypeId == mtCallError) {
DoError(wsMessage.ErrorCode, wsMessage.ErrorMessage);
}
};
CWSMessage Message;
Message.MessageTypeId = WSProtocol::mtCall;
Message.UniqueId = GenUniqueId();
Message.Action = "/replication/log/max";
SendMessage(Message, OnRequest);
}
//--------------------------------------------------------------------------------------------------------------
void CReplicationClient::SendGetMaxRelay() {
auto OnRequest = [this](CWebSocketMessageHandler *AHandler, CWebSocketConnection *AWSConnection) {
const auto &wsMessage = RequestToMessage(AWSConnection);
if (wsMessage.MessageTypeId == mtCallResult) {
if (wsMessage.Payload.HasOwnProperty("id")) {
const auto &caId = wsMessage.Payload["id"];
if (caId.AsString() != "null") {
m_MaxRelayId = caId.AsLong();
DoReplicationCheckRelay(m_MaxRelayId);
}
}
PushData();
PushMessageList();
} else if (wsMessage.MessageTypeId == mtCallError) {
DoError(wsMessage.ErrorCode, wsMessage.ErrorMessage);
}
};
CWSMessage Message;
Message.MessageTypeId = WSProtocol::mtCall;
Message.UniqueId = GenUniqueId();
Message.Action = "/replication/relay/max";
Message.Payload = CString().Format(R"({"source": "%s"})", m_Source.c_str());
SendMessage(Message, OnRequest);
}
//--------------------------------------------------------------------------------------------------------------
void CReplicationClient::SendData(const CString &Data) {
auto OnRequest = [this](CWebSocketMessageHandler *AHandler, CWebSocketConnection *AWSConnection) {
const auto &wsMessage = RequestToMessage(AWSConnection);
if (wsMessage.MessageTypeId == mtCallError) {
CheckCallError(wsMessage, AHandler->Message());
DoError(wsMessage.ErrorCode, wsMessage.ErrorMessage);
}
m_SendCount--;
if (m_SendCount == 0) {
m_ApplyDate = 0;
} else {
m_ApplyDate = Now() + (CDateTime) 5 / SecsPerDay;
}
};
CWSMessage Message;
Message.MessageTypeId = WSProtocol::mtCall;
Message.UniqueId = GenUniqueId();
Message.Action = "/replication/relay/add";
Message.Payload = Data;
const CString Source("source");
const CString Proxy("proxy");
if (Message.Payload.Object().HasOwnProperty(Source)) {
Message.Payload.Object()[Source] = m_Source;
} else {
Message.Payload.Object().AddPair(Source, m_Source);
}
if (Message.Payload.Object().HasOwnProperty(Proxy)) {
Message.Payload.Object()[Proxy] = m_Proxy;
} else {
Message.Payload.Object().AddPair(Proxy, m_Proxy);
}
m_SendCount++;
SendMessage(Message, OnRequest);
}
//--------------------------------------------------------------------------------------------------------------
void CReplicationClient::Replication(size_t RelayId) {
auto OnRequest = [this](CWebSocketMessageHandler *AHandler, CWebSocketConnection *AWSConnection) {
const auto &wsMessage = RequestToMessage(AWSConnection);
if (wsMessage.MessageTypeId == mtCallResult) {
DoReplicationLog(wsMessage.Payload);
} else if (wsMessage.MessageTypeId == mtCallError) {
CheckCallError(wsMessage, AHandler->Message());
DoError(wsMessage.ErrorCode, wsMessage.ErrorMessage);
}
};
CWSMessage Message;
Message.MessageTypeId = WSProtocol::mtCall;
Message.UniqueId = GenUniqueId();
Message.Action = "/replication/log";
Message.Payload = CString().Format(R"({"id": %d, "source": "%s", "reclimit": 1})", RelayId, m_Source.c_str());
SendMessage(Message, OnRequest);
}
//--------------------------------------------------------------------------------------------------------------
void CReplicationClient::PushData() {
for (int i = 0; i < Data().Count(); ++i) {
SendData(Data()[i]);
}
Data().Clear();
}
//--------------------------------------------------------------------------------------------------------------
void CReplicationClient::PushMessageList() {
for (int i = 0; i < m_MessageList.Count(); ++i) {
SendMessage(m_MessageList[i]);
}
m_MessageList.Clear();
}
//--------------------------------------------------------------------------------------------------------------
void CReplicationClient::Heartbeat(CDateTime Now) {
if (Connection() != nullptr && (Connection()->Protocol() == pWebSocket && Active()) && Connected()) {
if (m_PongDateTime == 0)
m_PongDateTime = Now;
if (Now - m_PongDateTime >= (CDateTime) 90 / SecsPerDay) {
DoTimeOut();
SwitchConnection(nullptr);
Reload();
return;
}
if (Now >= m_PingDateTime) {
m_PingDateTime = Now + (CDateTime) 60 / SecsPerDay; // 60 sec
Ping();
} else if (!m_Authorized) {
if (Now >= m_RegistrationDateTime) {
m_RegistrationDateTime = Now + (CDateTime) 30 / SecsPerDay; // 30 sec
SendAuthorize();
}
} else {
if (Now >= m_ApplyDate) {
m_ApplyDate = Now + (CDateTime) 60 / MinsPerDay;
SendApply();
SendGetMaxLog();
SendGetMaxRelay();
}
if (Now >= m_HeartbeatDateTime) {
m_HeartbeatDateTime = Now + (CDateTime) m_HeartbeatInterval / SecsPerDay;
DoHeartbeat();
}
}
}
}
//--------------------------------------------------------------------------------------------------------------
void CReplicationClient::DoPing(CObject *Sender) {
}
//--------------------------------------------------------------------------------------------------------------
void CReplicationClient::DoPong(CObject *Sender) {
m_PongDateTime = Now();
}
//--------------------------------------------------------------------------------------------------------------
void CReplicationClient::DoReplicationLog(const CJSON &Payload) {
if (m_OnReplicationLog != nullptr) {
m_OnReplicationLog(this, Payload);
}
}
//--------------------------------------------------------------------------------------------------------------
void CReplicationClient::DoReplicationCheckLog(unsigned long Id) {
if (m_OnReplicationCheckLog != nullptr) {
m_OnReplicationCheckLog(this, Id);
}
}
//--------------------------------------------------------------------------------------------------------------
void CReplicationClient::DoReplicationCheckRelay(unsigned long RelayId) {
if (m_OnReplicationCheckRelay != nullptr) {
m_OnReplicationCheckRelay(this, RelayId);
}
}
//--------------------------------------------------------------------------------------------------------------
//-- CReplicationClientItem ------------------------------------------------------------------------------------
//--------------------------------------------------------------------------------------------------------------
CReplicationClientItem::CReplicationClientItem(CReplicationClientManager *AManager): CCollectionItem(AManager), CReplicationClient() {
}
//--------------------------------------------------------------------------------------------------------------
CReplicationClientItem::CReplicationClientItem(CReplicationClientManager *AManager, const CLocation &URI):
CCollectionItem(AManager), CReplicationClient(URI) {
}
//--------------------------------------------------------------------------------------------------------------
//-- CReplicationClientManager ---------------------------------------------------------------------------------
//--------------------------------------------------------------------------------------------------------------
CReplicationClientItem *CReplicationClientManager::GetItem(int Index) const {
return (CReplicationClientItem *) inherited::GetItem(Index);
}
//--------------------------------------------------------------------------------------------------------------
CReplicationClientItem *CReplicationClientManager::Add(const CLocation &URI) {
return new CReplicationClientItem(this, URI);
}
}
}
}