Get IPv4 Address 1.0

gia.bat文件相关转载内容
博客包含gia.bat文件及附件1,内容为转载自https://www.cnblogs.com/rms365/p/10945534.html 。

 gia.bat

 1 @echo off
 2 color 0a
 3 title Get IPv4 Address 1.0
 4 
 5 SETLOCAL ENABLEEXTENSIONS
 6 SETLOCAL ENABLEDELAYEDEXPANSION
 7 
 8 set "CS_1=Wireless LAN adapter Wireless Network Connection:"
 9 set "CS_2=IPv4 Address. . . . . . . . . . . "
10 set _TMP=%TEMP%\.gia.tmp
11 
12 rem Stage. 1: 
13 :PROC_1
14 cd . > "%_TMP%"
15 for /f "tokens=*" %%i in ('ipconfig') do (
16     >> "%_TMP%" echo %%i
17 )
18 for /f "usebackq tokens=1* delims=:" %%i in (`findstr /n /c:"%CS_1%" "%_TMP%"`) do (
19     set /a POS_BEGIN=%%i
20     goto :PROC_2
21 )
22 echo Err: PROC_1
23 goto :NORMAL_EXIT
24 
25 rem Stage. 2: 
26 :PROC_2
27 set /a INDEX=0
28 for /f "usebackq tokens=1* delims=:" %%i in ("%_TMP%") do (
29     set /a INDEX+=1
30     if !INDEX! gtr %POS_BEGIN% (
31         if "%%i" equ "%CS_2%" (
32             set _IP=%%j
33             goto :PROC_3
34         )
35     )
36 )
37 echo Err: PROC_2
38 goto :NORMAL_EXIT
39 
40 rem Stage. 3: 
41 :PROC_3
42 for /f "tokens=*" %%i in ("%_IP%") do (
43     rem echo %%i| clip
44     set /p "_CLIP=%%i" < nul | clip
45     echo Paste it.
46     goto :NORMAL_EXIT
47 )
48 echo Err: PROC_3
49 goto :NORMAL_EXIT
50 
51 :NORMAL_EXIT
52 if exist "%_TMP%" del "%_TMP%"
53 pause
54 exit

附件1

转载于:https://www.cnblogs.com/rms365/p/10945534.html

请给这份NS3的仿真代码加上最详细的注释,使用/**/风格,避免使用//,不改变原始代码 /* * Copyright (c) 2009 MIRKO BANCHI * * SPDX-License-Identifier: GPL-2.0-only * * Authors: Mirko Banchi <mk.banchi@gmail.com> * Sebastien Deronne <sebastien.deronne@gmail.com> */ #include "ns3/attribute-container.h" #include "ns3/boolean.h" #include "ns3/command-line.h" #include "ns3/config.h" #include "ns3/double.h" #include "ns3/enum.h" #include "ns3/ht-phy.h" #include "ns3/internet-stack-helper.h" #include "ns3/ipv4-address-helper.h" #include "ns3/ipv4-global-routing-helper.h" #include "ns3/log.h" #include "ns3/mobility-helper.h" #include "ns3/on-off-helper.h" #include "ns3/packet-sink-helper.h" #include "ns3/packet-sink.h" #include "ns3/ssid.h" #include "ns3/string.h" #include "ns3/tuple.h" #include "ns3/udp-client-server-helper.h" #include "ns3/udp-server.h" #include "ns3/uinteger.h" #include "ns3/yans-wifi-channel.h" #include "ns3/yans-wifi-helper.h" #include <algorithm> #include <vector> // This is a simple example in order to show how to configure an IEEE 802.11n Wi-Fi network. // // It outputs the UDP or TCP goodput for every HT MCS value, which depends on the MCS value (0 to // 7), the channel width (20 or 40 MHz) and the guard interval (long or short). The PHY bitrate is // constant over all the simulation run. The user can also specify the distance between the access // point and the station: the larger the distance the smaller the goodput. // // The simulation assumes a single station in an infrastructure network: // // STA AP // * * // | | // n1 n2 // // Packets in this simulation belong to BestEffort Access Class (AC_BE). using namespace ns3; NS_LOG_COMPONENT_DEFINE("ht-wifi-network"); int main(int argc, char* argv[]) { bool udp{true}; bool useRts{false}; Time simulationTime{"10s"}; meter_u distance{1.0}; double frequency{5}; // whether 2.4 or 5 GHz std::string mcsStr; std::vector<uint64_t> mcsValues; int channelWidth{-1}; // in MHz, -1 indicates an unset value int guardInterval{-1}; // in nanoseconds, -1 indicates an unset value double minExpectedThroughput{0.0}; double maxExpectedThroughput{0.0}; CommandLine cmd(__FILE__); cmd.AddValue("frequency", "Whether working in the 2.4 or 5.0 GHz band (other values gets rejected)", frequency); cmd.AddValue("distance", "Distance in meters between the station and the access point", distance); cmd.AddValue("simulationTime", "Simulation time", simulationTime); cmd.AddValue("udp", "UDP if set to 1, TCP otherwise", udp); cmd.AddValue("useRts", "Enable/disable RTS/CTS", useRts); cmd.AddValue( "mcs", "list of comma separated MCS values to test; if unset, all MCS values (0-7) are tested", mcsStr); cmd.AddValue( "channelWidth", "if set, limit testing to a specific channel width expressed in MHz (20 or 40 MHz)", channelWidth); cmd.AddValue("guardInterval", "if set, limit testing to a specific guard interval duration expressed in " "nanoseconds (800 or 400 ns)", guardInterval); cmd.AddValue("minExpectedThroughput", "if set, simulation fails if the lowest throughput is below this value", minExpectedThroughput); cmd.AddValue("maxExpectedThroughput", "if set, simulation fails if the highest throughput is above this value", maxExpectedThroughput); cmd.Parse(argc, argv); if (useRts) { Config::SetDefault("ns3::WifiRemoteStationManager::RtsCtsThreshold", StringValue("0")); } double prevThroughput[8] = {0}; std::cout << "MCS value" << "\t\t" << "Channel width" << "\t\t" << "short GI" << "\t\t" << "Throughput" << '\n'; uint8_t minMcs = 0; uint8_t maxMcs = 7; if (mcsStr.empty()) { for (uint8_t mcs = minMcs; mcs <= maxMcs; ++mcs) { mcsValues.push_back(mcs); } } else { AttributeContainerValue<UintegerValue, ',', std::vector> attr; auto checker = DynamicCast<AttributeContainerChecker>(MakeAttributeContainerChecker(attr)); checker->SetItemChecker(MakeUintegerChecker<uint8_t>()); attr.DeserializeFromString(mcsStr, checker); mcsValues = attr.Get(); std::sort(mcsValues.begin(), mcsValues.end()); } int minChannelWidth = 20; int maxChannelWidth = 40; if ((channelWidth != -1) && ((channelWidth < minChannelWidth) || (channelWidth > maxChannelWidth))) { NS_FATAL_ERROR("Invalid channel width: " << channelWidth << " MHz"); } if (channelWidth >= minChannelWidth && channelWidth <= maxChannelWidth) { minChannelWidth = channelWidth; maxChannelWidth = channelWidth; } int minGi = 400; int maxGi = 800; if (guardInterval >= minGi && guardInterval <= maxGi) { minGi = guardInterval; maxGi = guardInterval; } for (const auto mcs : mcsValues) { uint8_t index = 0; double previous = 0; for (int width = minChannelWidth; width <= maxChannelWidth; width *= 2) // MHz { for (int gi = maxGi; gi >= minGi; gi /= 2) // Nanoseconds { const auto sgi = (gi == 400); uint32_t payloadSize; // 1500 byte IP packet if (udp) { payloadSize = 1472; // bytes } else { payloadSize = 1448; // bytes Config::SetDefault("ns3::TcpSocket::SegmentSize", UintegerValue(payloadSize)); } NodeContainer wifiStaNode; wifiStaNode.Create(1); NodeContainer wifiApNode; wifiApNode.Create(1); YansWifiChannelHelper channel = YansWifiChannelHelper::Default(); YansWifiPhyHelper phy; phy.SetChannel(channel.Create()); WifiMacHelper mac; WifiHelper wifi; std::ostringstream ossControlMode; if (frequency == 5.0) { ossControlMode << "OfdmRate"; wifi.SetStandard(WIFI_STANDARD_80211n); } else if (frequency == 2.4) { wifi.SetStandard(WIFI_STANDARD_80211n); ossControlMode << "ErpOfdmRate"; Config::SetDefault("ns3::LogDistancePropagationLossModel::ReferenceLoss", DoubleValue(40.046)); } else { NS_FATAL_ERROR("Wrong frequency value!"); } auto nonHtRefRateMbps = HtPhy::GetNonHtReferenceRate(mcs) / 1e6; ossControlMode << nonHtRefRateMbps << "Mbps"; std::ostringstream ossDataMode; ossDataMode << "HtMcs" << mcs; wifi.SetRemoteStationManager("ns3::ConstantRateWifiManager", "DataMode", StringValue(ossDataMode.str()), "ControlMode", StringValue(ossControlMode.str())); // Set guard interval wifi.ConfigHtOptions("ShortGuardIntervalSupported", BooleanValue(sgi)); Ssid ssid = Ssid("ns3-80211n"); AttributeContainerValue< TupleValue<UintegerValue, UintegerValue, EnumValue<WifiPhyBand>, UintegerValue>, ';'> channelValue; WifiPhyBand band = (frequency == 5.0 ? WIFI_PHY_BAND_5GHZ : WIFI_PHY_BAND_2_4GHZ); channelValue.Set(WifiPhy::ChannelSegments{{0, width, band, 0}}); mac.SetType("ns3::StaWifiMac", "Ssid", SsidValue(ssid)); phy.Set("ChannelSettings", channelValue); NetDeviceContainer staDevice; staDevice = wifi.Install(phy, mac, wifiStaNode); mac.SetType("ns3::ApWifiMac", "EnableBeaconJitter", BooleanValue(false), "Ssid", SsidValue(ssid)); NetDeviceContainer apDevice; apDevice = wifi.Install(phy, mac, wifiApNode); int64_t streamNumber = 150; streamNumber += WifiHelper::AssignStreams(apDevice, streamNumber); streamNumber += WifiHelper::AssignStreams(staDevice, streamNumber); // mobility. MobilityHelper mobility; Ptr<ListPositionAllocator> positionAlloc = CreateObject<ListPositionAllocator>(); positionAlloc->Add(Vector(0.0, 0.0, 0.0)); positionAlloc->Add(Vector(distance, 0.0, 0.0)); mobility.SetPositionAllocator(positionAlloc); mobility.SetMobilityModel("ns3::ConstantPositionMobilityModel"); mobility.Install(wifiApNode); mobility.Install(wifiStaNode); /* Internet stack*/ InternetStackHelper stack; stack.Install(wifiApNode); stack.Install(wifiStaNode); streamNumber += stack.AssignStreams(wifiApNode, streamNumber); streamNumber += stack.AssignStreams(wifiStaNode, streamNumber); Ipv4AddressHelper address; address.SetBase("192.168.1.0", "255.255.255.0"); Ipv4InterfaceContainer staNodeInterface; Ipv4InterfaceContainer apNodeInterface; staNodeInterface = address.Assign(staDevice); apNodeInterface = address.Assign(apDevice); /* Setting applications */ const auto maxLoad = HtPhy::GetDataRate(mcs, MHz_u{static_cast<double>(width)}, NanoSeconds(sgi ? 400 : 800), 1); ApplicationContainer serverApp; if (udp) { // UDP flow uint16_t port = 9; UdpServerHelper server(port); serverApp = server.Install(wifiStaNode.Get(0)); streamNumber += server.AssignStreams(wifiStaNode.Get(0), streamNumber); serverApp.Start(Seconds(0)); serverApp.Stop(simulationTime + Seconds(1)); const auto packetInterval = payloadSize * 8.0 / maxLoad; UdpClientHelper client(staNodeInterface.GetAddress(0), port); client.SetAttribute("MaxPackets", UintegerValue(4294967295U)); client.SetAttribute("Interval", TimeValue(Seconds(packetInterval))); client.SetAttribute("PacketSize", UintegerValue(payloadSize)); ApplicationContainer clientApp = client.Install(wifiApNode.Get(0)); streamNumber += client.AssignStreams(wifiApNode.Get(0), streamNumber); clientApp.Start(Seconds(1)); clientApp.Stop(simulationTime + Seconds(1)); } else { // TCP flow uint16_t port = 50000; Address localAddress(InetSocketAddress(Ipv4Address::GetAny(), port)); PacketSinkHelper packetSinkHelper("ns3::TcpSocketFactory", localAddress); serverApp = packetSinkHelper.Install(wifiStaNode.Get(0)); streamNumber += packetSinkHelper.AssignStreams(wifiStaNode.Get(0), streamNumber); serverApp.Start(Seconds(0)); serverApp.Stop(simulationTime + Seconds(1)); OnOffHelper onoff("ns3::TcpSocketFactory", Ipv4Address::GetAny()); onoff.SetAttribute("OnTime", StringValue("ns3::ConstantRandomVariable[Constant=1]")); onoff.SetAttribute("OffTime", StringValue("ns3::ConstantRandomVariable[Constant=0]")); onoff.SetAttribute("PacketSize", UintegerValue(payloadSize)); onoff.SetAttribute("DataRate", DataRateValue(maxLoad)); AddressValue remoteAddress( InetSocketAddress(staNodeInterface.GetAddress(0), port)); onoff.SetAttribute("Remote", remoteAddress); ApplicationContainer clientApp = onoff.Install(wifiApNode.Get(0)); streamNumber += onoff.AssignStreams(wifiApNode.Get(0), streamNumber); clientApp.Start(Seconds(1)); clientApp.Stop(simulationTime + Seconds(1)); } Ipv4GlobalRoutingHelper::PopulateRoutingTables(); Simulator::Stop(simulationTime + Seconds(1)); Simulator::Run(); auto rxBytes = 0.0; if (udp) { rxBytes = payloadSize * DynamicCast<UdpServer>(serverApp.Get(0))->GetReceived(); } else { rxBytes = DynamicCast<PacketSink>(serverApp.Get(0))->GetTotalRx(); } auto throughput = (rxBytes * 8) / simulationTime.GetMicroSeconds(); // Mbit/s Simulator::Destroy(); std::cout << mcs << "\t\t\t" << width << " MHz\t\t\t" << std::boolalpha << sgi << "\t\t\t" << throughput << " Mbit/s" << std::endl; // test first element if (mcs == minMcs && width == 20 && !sgi) { if (throughput < minExpectedThroughput) { NS_FATAL_ERROR("Obtained throughput " << throughput << " is not expected!"); } } // test last element if (mcs == maxMcs && width == 40 && sgi) { if (maxExpectedThroughput > 0 && throughput > maxExpectedThroughput) { NS_FATAL_ERROR("Obtained throughput " << throughput << " is not expected!"); } } // test previous throughput is smaller (for the same mcs) if (throughput > previous) { previous = throughput; } else { NS_FATAL_ERROR("Obtained throughput " << throughput << " is not expected!"); } // test previous throughput is smaller (for the same channel width and GI) if (throughput > prevThroughput[index]) { prevThroughput[index] = throughput; } else { NS_FATAL_ERROR("Obtained throughput " << throughput << " is not expected!"); } index++; } } } return 0; }
最新发布
08-21
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