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#include "connectionmanager.h"

#include <QByteArray>

#include <QDateTime>

static const int MaxConnections = 250;

Q_GLOBAL_STATIC(ConnectionManager, connectionManager)

ConnectionManager *ConnectionManager::instance()

{

    return connectionManager();

}

bool ConnectionManager::canAddConnection() const

{

    return (connections.size() < MaxConnections);

}

void ConnectionManager::addConnection(PeerWireClient *client)

{

    connections << client;

}

void ConnectionManager::removeConnection(PeerWireClient *client)

{

    connections.remove(client);

}

int ConnectionManager::maxConnections() const

{

    return MaxConnections;

}

QByteArray ConnectionManager::clientId() const

{

    if (id.isEmpty()) {

        // Generate peer id

        int startupTime = int(QDateTime::currentDateTime().toTime_t());

        QString s;

        s.sprintf("-QT%04x-", (QT_VERSION % 0xffff00) >> 8);

        id += s.toLatin1();

        id += QByteArray::number(startupTime, 10);

        id += QByteArray(20 - id.size(), '-');

    }

    return id;

}