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servermanager.cpp
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servermanager.cpp
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#include "servermanager.h"
#include <QProcess>
#include <algorithm>
#include <QDebug>
#include <QJsonDocument>
#include <QBuffer>
#include <string>
#include <sys/types.h>
#include <sys/stat.h>
#define CLI_WRAPPER CServerManager::SCliWrap;
//constexpr define
using TDockCmdLine = char[255];
//constansts
constexpr TDockCmdLine DOCKER_NAME{"DockerServer%1"};
constexpr TDockCmdLine DOCKER_IMG{"bitcoin-regtest"};
constexpr TDockCmdLine DOCKER_LOCK{"/home/alexd/gak/docker-bitcoin-regtest/bitcoin-regtest"};
constexpr TDockCmdLine DOCKER_CMD{"run -t -p %1:8888 -p %4:18444 -p %5:18332 --name=%2 --hostname=%3 -v /home/alexd/BitcoinServerManager/bitcoinLV/%2:/root/.bitcoin"};
constexpr TDockCmdLine DOCKER_RM{"rm -f %1"};
constexpr TDockCmdLine RUN_DEMON{"bitcoind -regtest -server -rpcuser=test -rpcpassword=test -rpcallowip=0.0.0.0/0 -rpcport=8888 -printtoconsole"};
constexpr TDockCmdLine DOCKER_BUILD{"build -t %1 %2"};
constexpr TDockCmdLine DOCKER{"docker"};
constexpr qlonglong BASE_PORT1{18444};
constexpr qlonglong BASE_PORT2(18332);
const char* CServerManager::ACTIVE = "Active";
const char* CServerManager::DEACTIVE = "Deactive";
const char* CServerManager::RESP_SEPERATOR = "?!?!";
const char* CServerManager::SERVER_NAME = "1_NAME";
const char* CServerManager::END_POINT = "2_End Point";
const char* CServerManager::ACCOUNT = "3_Account";
const char* CServerManager::BALANCE = "4_Balance";
const char* CServerManager::STATUS = "5_Status";
const char* CServerManager::BASE_IP = "172.17.0.%1"; //BASE IP OF THE DOCKER SERVERS
const char* CServerManager::INVALID_IP = "BAD_IP_ADDR";
const uint32_t CServerManager::BASE_IP_STATION = 3;
//static definitions
unsigned int CServerManager::s_id = 0;
unsigned int CServerManager::s_port = 8888;
using namespace NBitcoinServer;
CServerManager::CServerManager(QObject *parent) : QObject(parent), CLogable("ServerManagerLogger")
{}
CServerManager& CServerManager::getReference()
{
static CServerManager ref;
return ref;
}
void CServerManager::registerClient()
{
m_cliMap.emplace(TCliPair(s_id, std::move(SCliWrap(s_id, s_port))));
s_id++;
s_port++;
}
void CServerManager::deleteClient(uint id)
{
auto iter = m_cliMap.find(id);
if (iter != m_cliMap.end())
{
(iter->second).remove();
//m_cliMap.erase(iter);
}
}
void CServerManager::startClient(const uint id)
{
auto iter = m_cliMap.find(id);
if (iter != m_cliMap.end())
{
(iter->second).run();
}
}
void CServerManager::startAll()
{
forEach([](TCliPair& pair){(pair.second).run();});
}
void CServerManager::deleteAll()
{
forEach([](TCliPair& pair){(pair.second).remove();});
}
QStringList CServerManager::toString()
{
QStringList rv;
forEach([&rv](TCliPair& pair){
rv << std::move(pair.second.toString());
});
return std::move(rv);
}
CServerManager::TServTable CServerManager::getTableData()
{
CServerManager::TServTable rv;
int id(0);
for (auto& cli : m_cliMap)
{
std::map<QString, QString> child;
child.emplace(std::pair<QString,QString>(SERVER_NAME, (cli.second).getName()));
child.emplace(std::pair<QString,QString>(END_POINT, (cli.second).getEndPoint()));
child.emplace(std::pair<QString,QString>(ACCOUNT, (cli.second).getAddress()));
std::string balance(std::to_string((cli.second.getBalance())));
child.emplace(std::pair<QString,QString>(BALANCE, QString(balance.c_str())));
child.emplace(std::pair<QString,QString>(STATUS, (cli.second).isActive()));
rv.emplace(std::pair<int, std::map<QString, QString> >(id++, std::move(child)));
}
return rv;
}
CServerManager::TStringMap CServerManager::sendMsg(int idx, QString cmd, QString args, QByteArray* rawJason)
{
TStringMap rv;
auto cli(m_cliMap.find(idx));
if (cli != m_cliMap.end())
{
rv = cli->second.sendMsg(std::move(cmd), std::move(args), rawJason);
}
return rv;
}
QString CServerManager::getIp(int idx)
{
QString rv(INVALID_IP);
auto cli = m_cliMap.find(idx);
if (cli != m_cliMap.end())
{
rv = QString(BASE_IP).arg(BASE_IP_STATION + idx);
}
return rv;
}
//wrapper implementation
CServerManager::SCliWrap::SCliWrap(unsigned int id, unsigned int port) : CLogable("ServerMangerCLILogger")
{
m_dockName = std::move(QString(DOCKER_NAME).arg(QString(std::to_string(id).c_str())));
m_dockRm = std::move(QString(DOCKER_RM).arg(m_dockName));
m_dockCmd = std::move(QString(DOCKER_CMD).arg(QString(std::to_string(port).c_str())).arg(m_dockName).arg(m_dockName).arg(BASE_PORT1 + id).arg(BASE_PORT2 + id));
m_endPoint = std::move(QString("http://172.17.0.1:%1").arg(std::to_string(port).c_str()));
m_cli.reset(new CJasonHttpClient(m_endPoint));
std::string dirName = std::string("bitcoinLV/") + m_dockName.toStdString();
mkdir(dirName.c_str(), ACCESSPERMS);
}
bool CServerManager::SCliWrap::run()
{
bool rv(true);
QString dockStr(std::move(this->toString()));
LOGGER_HELPER(DEBUG, dockStr.toStdString());
//build docker
QString buildDocker(DOCKER_BUILD);
//create a string with the correct docker build info.
runDockerCmd(std::move(buildDocker.arg(DOCKER_IMG).arg(DOCKER_LOCK)));
//remove old docker instance
remove();
//run deamon
QString arguments(std::move(m_dockCmd + " -d=true " + DOCKER_IMG + " " + RUN_DEMON));
runDockerCmd(std::move(arguments));
m_isActive = true;
return rv;
}
bool CServerManager::SCliWrap::remove()
{
bool rv(true);
//remove old docker instance
QString rmArgs = QString(DOCKER_RM).arg(m_dockName);
runDockerCmd(std::move(rmArgs));
m_isActive = false;
return rv;
}
CServerManager::TStringMap CServerManager::SCliWrap::sendMsg(QString cmd, QString args, QByteArray* rawJason)
{
TStringMap rv;
QStringList arguments = args.split(" ");
QJsonRpcMessage sendMsg = std::move(m_cli->prepareMessage(std::move(cmd), std::move(arguments)));
QJsonRpcMessage rep = std::move(m_cli->sendAndWaitForResp(std::move(sendMsg)));
rv = std::move(parse(rep));
if (rawJason)
{
*rawJason = std::move(rep.toJson());
}
return rv;
}
void CServerManager::SCliWrap::runDockerCmd(const QString& args)
{
QStringList arguments(std::move(args.split(" ")));
QProcess proc;
std::string errMsg("");
LOGGER_HELPER(DEBUG, errMsg, std::string("Running command: ") + DOCKER + "args:" + args.toStdString());
//qDebug() << "Running command: " << DOCKER << "args:" + args;
proc.start(DOCKER, std::move(arguments));
if (!proc.waitForFinished())
{
LOGGER_HELPER(ERROR, errMsg, "Error couldnt start finish command!");
//qDebug() << "Error couldnt start finish command!";
}
LOGGER_HELPER(DEBUG, errMsg ,std::string("run finished with: ") , proc.readAllStandardOutput().toStdString()
, proc.readAllStandardError().toStdString());
//qDebug() << "run finished with: " << proc.readAllStandardOutput() << proc.readAllStandardError();
}
CServerManager::TStringMap CServerManager::SCliWrap::parse(QJsonRpcMessage msg)
{
TStringMap rv;
if (msg.type() == QJsonRpcMessage::Error)
{
rv.emplace(TStringPair("Error",
QString("Code: ") +
QString(msg.errorCode()) +
QString("Message: ") +
msg.errorMessage()));
}
else
{
//QJsonDocument jsoDoc(QJsonDocument::fromJson(msg.result().toVariant()));
auto respFromServer(msg.result());
QString respons("");
parseByType(respFromServer, respons);
rv.emplace(TStringPair("Response", respons));
}
return rv;
}
void CServerManager::SCliWrap::parse(const QJsonArray& arr, QString& respMap)
{
std::string errMsg("");
LOGGER_HELPER(DEBUG, errMsg, "The resualt is an array");
//qDebug() << "The resualt is an array";
uint32_t ind(0);
QString item("Item %1: ");
for (const auto& arrItem : arr)
{
//qDebug() << item.arg(ind) << arrItem;
LOGGER_HELPER(DEBUG, errMsg, item.arg(ind), arrItem);
respMap += item.arg(ind) + ": \n";
parseByType(arrItem, respMap);
ind++;
}
}
void CServerManager::SCliWrap::parse(const QJsonObject& obj, QString& respMap)
{
std::string errMsg("");
//qDebug() << "The resualt is an Object";
LOGGER_HELPER(DEBUG, errMsg, "The resualt is an Object");
auto variantMap(obj.toVariantMap());
for (auto mapIter = variantMap.begin(); mapIter != variantMap.end(); ++mapIter)
{
//qDebug() << "pushing item Key: " << mapIter.key() << "Val: " << mapIter.value();
LOGGER_HELPER(DEBUG, errMsg, "pushing item Key: ", mapIter.key(), "Val: ", mapIter.value());
respMap += mapIter.key() + " : " + mapIter.value().toString() + "\n" + RESP_SEPERATOR;
}
}
void CServerManager::SCliWrap::parse(const QJsonValue& val, QString& respMap)
{
std::string errMsg("");
//qDebug() << "The resuat is a regular value: " << val;
LOGGER_HELPER(DEBUG, errMsg, "The resuat is a regular value: ", val);
auto var = val.toVariant();
respMap += var.toString() + RESP_SEPERATOR;
}
QString CServerManager::SCliWrap::toString()
{
QString rv;
rv = "Name: " + getName() + " End Point: " + getEndPoint() + "Status: " + isActive();
return rv;
}
void CServerManager::SCliWrap::parseByType(const QJsonValue& val, QString& respMap)
{
if (val.isArray())
{
parse(val.toArray(), respMap);
}
else if (val.isObject())
{
parse(val.toObject(), respMap);
}
else
{
parse(val, respMap);
}
}