rainmeter-studio/Library/MeasureNet.cpp

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2009-02-10 18:37:48 +00:00
/*
Copyright (C) 2001 Kimmo Pekkola
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 2
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, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#pragma warning(disable: 4996)
#include "MeasureNet.h"
#include "Rainmeter.h"
MIB_IFTABLE* CMeasureNet::c_Table = NULL;
UINT CMeasureNet::c_NumOfTables = 0;
std::vector<LARGE_INTEGER> CMeasureNet::c_StatValues;
std::vector<DWORD> CMeasureNet::c_OldStatValues;
extern CRainmeter* Rainmeter;
/*
** CMeasureNet
**
** The constructor. This is the base class for the net-meters.
**
*/
CMeasureNet::CMeasureNet(CMeterWindow* meterWindow) : CMeasure(meterWindow)
{
m_TrafficValue = 0;
m_CurrentTraffic = 0;
m_Interface = 0;
m_Cumulative = false;
}
/*
** ~CMeasureNet
**
** The destructor
**
*/
CMeasureNet::~CMeasureNet()
{
delete [] c_Table;
c_Table = NULL;
}
/*
** Update
**
** Checks if Action should be executed.
**
*/
bool CMeasureNet::Update()
{
if (!CMeasure::PreUpdate()) return false;
if (m_MeterWindow)
{
if (!m_TrafficAction.empty())
{
if (m_CurrentTraffic > m_TrafficValue)
{
m_CurrentTraffic = 0;
Rainmeter->ExecuteCommand(m_TrafficAction.c_str(), m_MeterWindow);
}
m_CurrentTraffic += m_Value;
}
}
return PostUpdate();
}
/*
** UpdateIFTable
**
** Reads the tables for all net interfaces
**
*/
void CMeasureNet::UpdateIFTable()
{
if(c_Table == NULL)
{
// Gotta reserve few bytes for the tables
DWORD value;
if(GetNumberOfInterfaces(&value) == NO_ERROR)
{
c_NumOfTables = value;
if(c_NumOfTables > 0)
{
DWORD size = sizeof(MIB_IFTABLE) + sizeof(MIB_IFROW) * c_NumOfTables;
c_Table = (MIB_IFTABLE*)new char[size];
}
}
}
if(c_Table)
{
DWORD size = sizeof(MIB_IFTABLE) + sizeof(MIB_IFROW) * c_NumOfTables;
if(GetIfTable(c_Table, &size, false) != NO_ERROR)
{
delete [] c_Table;
c_Table = (MIB_IFTABLE*)new char[size];
if(GetIfTable(c_Table, &size, false) != NO_ERROR)
{
// Something's wrong. Unable to get the table.
delete [] c_Table;
c_Table = NULL;
}
}
}
}
/*
** GetNetOctets
**
** Reads the amount of octets. This is the same for in, out and total.
** the net-parameter informs which inherited class called this method.
**
*/
DWORD CMeasureNet::GetNetOctets(NET net)
{
DWORD value = 0;
if (m_Interface == 0)
{
// Get all interfaces
for(UINT i = 0; i < c_NumOfTables; i++)
{
// Ignore the loopback
if(strcmp((char*)c_Table->table[i].bDescr, "MS TCP Loopback interface") != 0)
{
switch (net)
{
case NET_IN:
value += c_Table->table[i].dwInOctets;
break;
case NET_OUT:
value += c_Table->table[i].dwOutOctets;
break;
case NET_TOTAL:
value += c_Table->table[i].dwInOctets;
value += c_Table->table[i].dwOutOctets;
break;
}
}
}
}
else
{
// Get the selected interface
if (m_Interface <= c_NumOfTables)
{
switch (net)
{
case NET_IN:
value += c_Table->table[m_Interface - 1].dwInOctets;
break;
case NET_OUT:
value += c_Table->table[m_Interface - 1].dwOutOctets;
break;
case NET_TOTAL:
value += c_Table->table[m_Interface - 1].dwInOctets;
value += c_Table->table[m_Interface - 1].dwOutOctets;
break;
}
}
}
return value;
}
/*
** GetNetStatsValue
**
** Returns the stats value of the interface
**
*/
LARGE_INTEGER CMeasureNet::GetNetStatsValue(NET net)
{
LARGE_INTEGER value;
value.QuadPart = 0;
if (m_Interface == 0)
{
// Get all interfaces
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for(size_t i = 0; i < c_StatValues.size() / 2; i++)
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{
switch (net)
{
case NET_IN:
value.QuadPart += c_StatValues[i * 2 + 0].QuadPart;
break;
case NET_OUT:
value.QuadPart += c_StatValues[i * 2 + 1].QuadPart;
break;
case NET_TOTAL:
value.QuadPart += c_StatValues[i * 2 + 0].QuadPart;
value.QuadPart += c_StatValues[i * 2 + 1].QuadPart;
break;
}
}
}
else
{
// Get the selected interface
if (m_Interface <= c_StatValues.size() / 2)
{
switch (net)
{
case NET_IN:
value.QuadPart += c_StatValues[m_Interface * 2 + 0].QuadPart;
break;
case NET_OUT:
value.QuadPart += c_StatValues[m_Interface * 2 + 1].QuadPart;
break;
case NET_TOTAL:
value.QuadPart += c_StatValues[m_Interface * 2 + 0].QuadPart;
value.QuadPart += c_StatValues[m_Interface * 2 + 1].QuadPart;
break;
}
}
}
return value;
}
/*
** ReadConfig
**
** Reads the measure specific configs. This is the same for in, out and total.
** the net-parameter informs which inherited class called this method.
**
*/
void CMeasureNet::ReadConfig(CConfigParser& parser, const WCHAR* section, NET net)
{
double value;
const WCHAR* netName = NULL;
if (net == NET_IN)
{
netName = L"NetInSpeed";
value = CRainmeter::GetGlobalConfig().netInSpeed;
}
else if (net == NET_OUT)
{
netName = L"NetOutSpeed";
value = CRainmeter::GetGlobalConfig().netOutSpeed;
}
else
{
netName = L"NetTotalSpeed";
value = CRainmeter::GetGlobalConfig().netInSpeed + CRainmeter::GetGlobalConfig().netOutSpeed;
}
double maxValue = parser.ReadFloat(section, L"MaxValue", -1);
if (maxValue == -1)
{
maxValue = parser.ReadFloat(section, netName, -1);
if (maxValue == -1)
{
maxValue = value;
}
}
m_Interface = parser.ReadInt(section, L"Interface", 0);
m_Cumulative = 0!=parser.ReadInt(section, L"Cumulative", 0);
m_TrafficValue = parser.ReadFloat(section, L"TrafficValue", 0.0);
m_TrafficAction = parser.ReadString(section, L"TrafficAction", L"");
if (maxValue == 0)
{
m_MaxValue = 1;
m_LogMaxValue = true;
}
else
{
m_MaxValue = maxValue / 8;
}
}
/*
** UpdateStats
**
** Updates the statistics.
**
*/
void CMeasureNet::UpdateStats()
{
if (c_Table)
{
// Fill the vectors
while (c_StatValues.size() < c_Table->dwNumEntries * 2)
{
LARGE_INTEGER value;
value.QuadPart = 0;
c_StatValues.push_back(value);
}
while (c_OldStatValues.size() < c_Table->dwNumEntries * 2)
{
c_OldStatValues.push_back(0);
}
for (UINT i = 0; i < c_Table->dwNumEntries; i++)
{
DWORD in, out;
in = c_Table->table[i].dwInOctets;
out = c_Table->table[i].dwOutOctets;
if (c_OldStatValues[i * 2 + 0] != 0 && c_OldStatValues[i * 2 + 1] != 0)
{
if (in > c_OldStatValues[i * 2 + 0])
{
c_StatValues[i * 2 + 0].QuadPart += in - c_OldStatValues[i * 2 + 0];
}
if (out > c_OldStatValues[i * 2 + 1])
{
c_StatValues[i * 2 + 1].QuadPart += out - c_OldStatValues[i * 2 + 1];
}
}
c_OldStatValues[i * 2 + 0] = in;
c_OldStatValues[i * 2 + 1] = out;
}
}
}
/*
** ResetStats
**
** Resets the statistics.
**
*/
void CMeasureNet::ResetStats()
{
if (c_Table)
{
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for (size_t i = 0; i < c_StatValues.size(); i++)
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{
LARGE_INTEGER value;
value.QuadPart = 0;
c_StatValues[i] = value;
}
}
}
/*
** ReadStats
**
** Reads statistics.
**
*/
void CMeasureNet::ReadStats(const std::wstring& iniFile)
{
WCHAR buffer[256];
int count = GetPrivateProfileInt(L"Statistics", L"NetStatsCount", 0, iniFile.c_str());
c_StatValues.clear();
for (int i = 0; i < count; i++)
{
LARGE_INTEGER value;
wsprintf(buffer, L"NetStatsInHigh%i", i + 1);
value.HighPart = (DWORD)GetPrivateProfileInt(L"Statistics", buffer, 0, iniFile.c_str());
wsprintf(buffer, L"NetStatsInLow%i", i + 1);
value.LowPart = (DWORD)GetPrivateProfileInt(L"Statistics", buffer, 0, iniFile.c_str());
c_StatValues.push_back(value);
wsprintf(buffer, L"NetStatsOutHigh%i", i + 1);
value.HighPart = (DWORD)GetPrivateProfileInt(L"Statistics", buffer, 0, iniFile.c_str());
wsprintf(buffer, L"NetStatsOutLow%i", i + 1);
value.LowPart = (DWORD)GetPrivateProfileInt(L"Statistics", buffer, 0, iniFile.c_str());
c_StatValues.push_back(value);
}
}
/*
** WriteStats
**
** Writes statistics.
**
*/
void CMeasureNet::WriteStats(const std::wstring& iniFile)
{
WCHAR buffer[256];
WCHAR buffer2[256];
wsprintf(buffer, L"%i", c_StatValues.size() / 2);
WritePrivateProfileString(L"Statistics", L"NetStatsCount", buffer, iniFile.c_str());
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for (size_t i = 0; i < c_StatValues.size() / 2; i++)
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{
wsprintf(buffer2, L"NetStatsInHigh%i", i + 1);
wsprintf(buffer, L"%u", c_StatValues[i * 2].HighPart);
WritePrivateProfileString(L"Statistics", buffer2, buffer, iniFile.c_str());
wsprintf(buffer2, L"NetStatsInLow%i", i + 1);
wsprintf(buffer, L"%u", c_StatValues[i * 2].LowPart);
WritePrivateProfileString(L"Statistics", buffer2, buffer, iniFile.c_str());
wsprintf(buffer2, L"NetStatsOutHigh%i", i + 1);
wsprintf(buffer, L"%u", c_StatValues[i * 2 + 1].HighPart);
WritePrivateProfileString(L"Statistics", buffer2, buffer, iniFile.c_str());
wsprintf(buffer2, L"NetStatsOutLow%i", i + 1);
wsprintf(buffer, L"%u", c_StatValues[i * 2 + 1].LowPart);
WritePrivateProfileString(L"Statistics", buffer2, buffer, iniFile.c_str());
}
}