NetStats.cpp

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/* Copyright (C) 2010 Wildfire Games.
 * This file is part of 0 A.D.
 *
 * 0 A.D. 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 2 of the License, or
 * (at your option) any later version.
 *
 * 0 A.D. 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 0 A.D.  If not, see <http://www.gnu.org/licenses/>.
 */

#include "precompiled.h"

#include "NetStats.h"

#include "lib/external_libraries/enet.h"

enum
{
    Row_InData,
    Row_OutData,
    Row_LastSendTime,
    Row_LastRecvTime,
    Row_NextTimeout,
    Row_PacketsSent,
    Row_PacketsLost,
    Row_LastRTT,
    Row_RTT,
    Row_MTU,
    Row_ReliableInTransit,
    NumberRows
};

CNetStatsTable::CNetStatsTable(const ENetPeer* peer)
    : m_Peer(peer)
{
}

CNetStatsTable::CNetStatsTable()
    : m_Peer(NULL)
{
}

CStr CNetStatsTable::GetName()
{
    return "net";
}

CStr CNetStatsTable::GetTitle()
{
    if (m_Peer)
        return "Network client statistics";
    else
        return "Network host statistics";
}

size_t CNetStatsTable::GetNumberRows()
{
    return NumberRows;
}

const std::vector<ProfileColumn>& CNetStatsTable::GetColumns()
{
    m_ColumnDescriptions.clear();
    m_ColumnDescriptions.push_back(ProfileColumn("Name", 200));
    if (m_Peer)
    {
        m_ColumnDescriptions.push_back(ProfileColumn("Value", 80));
    }
    else
    {
        CScopeLock lock(m_Mutex);

        for (size_t i = 0; i < m_LatchedData.size(); ++i)
            m_ColumnDescriptions.push_back(ProfileColumn("Peer "+CStr::FromUInt(i), 80));
    }
    return m_ColumnDescriptions;
}

CStr CNetStatsTable::GetCellText(size_t row, size_t col)
{
    // Return latched data, if we have any
    {
        CScopeLock lock(m_Mutex);
        if (col > 0 && m_LatchedData.size() > col-1 && m_LatchedData[col-1].size() > row)
            return m_LatchedData[col-1][row];
    }

    #define ROW(id, title, member) \
    case id: \
        if (col == 0) return title; \
        if (m_Peer) return CStr::FromUInt(m_Peer->member); \
        return "???"

    switch(row)
    {
    ROW(Row_InData, "incoming bytes", incomingDataTotal);
    ROW(Row_OutData, "outgoing bytes", outgoingDataTotal);
    ROW(Row_LastSendTime, "last send time", lastSendTime);
    ROW(Row_LastRecvTime, "last receive time", lastReceiveTime);
    ROW(Row_NextTimeout, "next timeout", nextTimeout);
    ROW(Row_PacketsSent, "packets sent", packetsSent);
    ROW(Row_PacketsLost, "packets lost", packetsLost);
    ROW(Row_LastRTT, "last RTT", lastRoundTripTime);
    ROW(Row_RTT, "mean RTT", roundTripTime);
    ROW(Row_MTU, "MTU", mtu);
    ROW(Row_ReliableInTransit, "reliable data in transit", reliableDataInTransit);

    default:
        return "???";
    }

#undef ROW
}

AbstractProfileTable* CNetStatsTable::GetChild(size_t UNUSED(row))
{
    return 0;
}

void CNetStatsTable::LatchHostState(const ENetHost* host)
{
    CScopeLock lock(m_Mutex);

#define ROW(id, title, member) \
    m_LatchedData[i].push_back(CStr::FromUInt(host->peers[i].member));

    m_LatchedData.clear();
    m_LatchedData.resize(host->peerCount);

    for (size_t i = 0; i < host->peerCount; ++i)
    {
        ROW(Row_InData, "incoming bytes", incomingDataTotal);
        ROW(Row_OutData, "outgoing bytes", outgoingDataTotal);
        ROW(Row_LastSendTime, "last send time", lastSendTime);
        ROW(Row_LastRecvTime, "last receive time", lastReceiveTime);
        ROW(Row_NextTimeout, "next timeout", nextTimeout);
        ROW(Row_PacketsSent, "packets sent", packetsSent);
        ROW(Row_PacketsLost, "packets lost", packetsLost);
        ROW(Row_LastRTT, "last RTT", lastRoundTripTime);
        ROW(Row_RTT, "mean RTT", roundTripTime);
        ROW(Row_MTU, "MTU", mtu);
        ROW(Row_ReliableInTransit, "reliable data in transit", reliableDataInTransit);
    }
#undef ROW
}