| author | Mart?n Giachino <martin.giachino@gmail.com> |
| Sun, 20 Jun 2010 17:21:22 +0400 | |
| changeset 6366 | ef2e946450fe |
| parent 6365 | 9e4fce3d1138 |
| child 6367 | 702cb83d0e1c |
| AUTHORS | file | annotate | diff | comparison | revisions | |
| examples/mobility/default.ns_movements | file | annotate | diff | comparison | revisions | |
| examples/mobility/ns2-mobility-trace.cc | file | annotate | diff | comparison | revisions | |
| examples/mobility/waf | file | annotate | diff | comparison | revisions | |
| examples/mobility/wscript | file | annotate | diff | comparison | revisions | |
| samples/main-ns2-mob.cc | file | annotate | diff | comparison | revisions | |
| samples/ns2-mob.tr | file | annotate | diff | comparison | revisions | |
| samples/wscript | file | annotate | diff | comparison | revisions | |
| src/helper/ns2-mobility-helper.cc | file | annotate | diff | comparison | revisions | |
| src/helper/ns2-mobility-helper.h | file | annotate | diff | comparison | revisions |
--- a/AUTHORS Sat Jun 19 17:10:57 2010 +0100 +++ b/AUTHORS Sun Jun 20 17:21:22 2010 +0400 @@ -17,6 +17,7 @@ Craig Dowell (craigdo@ee.washington.edu) Jahanzeb Farooq (Jahanzeb.Farooq@sophia.inria.fr, Fahanzeb.Farooq@gmail.com) Juliana Freitag Borin (juliana.freitag@gmail.com) +Martin Giachino (martin.giachino@gmail.com,giachino@fing.edu.uy) Charline Taibi Guguen (charline.guguen@gmail.com) Tom Goff (tgoff@tgoff.net) David Gross (gdavid.devel@gmail.com)
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/examples/mobility/default.ns_movements Sun Jun 20 17:21:22 2010 +0400 @@ -0,0 +1,683 @@ +$node_(0) set X_ 150.0 +$node_(0) set Y_ 93.98597018956875 +$ns_ at 0.0 "$node_(0) setdest 150.0 110.0 50.40378694202284" +$ns_ at 0.3177148143422528 "$node_(0) setdest 159.68580405978113 110.0 50.40378694196106" +$ns_ at 0.5098790275378633 "$node_(0) setdest 164.68580405978113 110.0 50.129146111974336" +$ns_ at 0.6096214007438903 "$node_(0) setdest 170.0 110.0 50.39215470830349" +$ns_ at 0.7150782118483221 "$node_(0) setdest 170.0 90.31419594021887 50.392154708372175" +$ns_ at 1.1057303713701003 "$node_(0) setdest 170.0 90.0 49.99999999937131" +$ns_ at 1.1120142901745567 "$node_(0) setdest 184.68580405978113 90.0 50.0000000000599" +$ns_ at 1.4057303713698275 "$node_(0) setdest 199.68580405978113 90.0 50.000000000045475" +$ns_ at 1.7057303713695546 "$node_(0) setdest 210.0 90.0 50.00000000002494" +$ns_ at 1.912014290173829 "$node_(0) setdest 210.0 40.314195940218866 50.00000000004974" +$ns_ at 2.9057303713684632 "$node_(0) setdest 210.0 20.314195940218866 50.000000000045475" +$ns_ at 3.3057303713680994 "$node_(0) setdest 210.0 10.0 50.13316828893697" +$ns_ at 3.511466340034076 "$node_(0) setdest 190.0 10.0 50.13316828895926" +$ns_ at 3.9104038235923326 "$node_(0) setdest 190.0 24.685804059781134 50.13316828897492" +$ns_ at 4.203339709374177 "$node_(0) setdest 190.0 29.685804059781134 50.000000000045475" +$ns_ at 4.303339709374086 "$node_(0) setdest 190.0 39.685804059781134 50.000000000045475" +$ns_ at 4.503339709373904 "$node_(0) setdest 190.0 44.685804059781134 50.000000000045475" +$ns_ at 4.603339709373813 "$node_(0) setdest 190.0 50.0 50.00000000000561" +$ns_ at 4.7096236281781785 "$node_(0) setdest 210.0 50.0 50.000000000045475" +$ns_ at 5.109623628177815 "$node_(0) setdest 210.0 30.0 50.000000000045475" +$ns_ at 5.509623628177451 "$node_(0) setdest 195.31419594021887 30.0 50.0000000000599" +$ns_ at 5.803339709372722 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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/examples/mobility/ns2-mobility-trace.cc Sun Jun 20 17:21:22 2010 +0400 @@ -0,0 +1,140 @@ +/* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */ +/* + * Copyright (c) 2007 INRIA + * 2009,2010 Contributors + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation; + * + * 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 + * + * Author: MartÃn Giachino <martin.giachino@gmail.com> + * + * + * This example demonstrates the use of Ns2TransmobilityHelper class to work with mobility. + * + * Detailed example description. + * + * - intended usage: this should be used in order to load ns2 movement trace files into ns3. + * - behavior: + * - Ns2TransmobilityHelperTrace object is created, whith the specified trace file. At this moment, only + * specify the file, and no movements are scheduled. + * - A log file is created, using the log file name argument. + * - A node container is created with the correct node number specified in the command line. + * - Use Install method of Ns2TransmobilityHelperTrace to set mobility to nodes. At this moment, file is + * read line by line, and the movement is scheduled in the simulator. + * - A callback is configured, so each time a node changes its course a log message is printed. + * - expected output: example prints out messages generated by each read line from the ns2 movement trace file. + * For each line, it shows if the line is correct, or of it has errors and in this case it will + * be ignored. + * + * Usage of ns2-mobility-trace: + * + * ./waf --run "examples/mobility/ns2-mobility-trace \ + * --traceFile=/home/mgiachino/ns-3-dev/examples/mobility/default.ns_movements + * --nodeNum=2 --duration=100.0 --logFile=ns2-mobility-trace.log" + * + * NOTE: ns2-traces-file could be an absolute or relative path. You could use the file default.ns_movements + * included in the same directory that the present file. + * NOTE 2: Number of nodes present in the trace file must match with the command line argument. + * Note that you must know it before to be able to load it. + * NOTE 3: Duration must be a positive number. Note that you must know it before to be able to load it. + */ + + +#include <iostream> +#include <fstream> +#include <sstream> + +#include "ns3/core-module.h" +#include "ns3/mobility-module.h" +#include "ns3/simulator-module.h" +#include "ns3/helper-module.h" +#include "ns3/mobility-module.h" +#include "ns3/ns2-mobility-helper.h" + +using namespace ns3; + +// Prints actual position and velocity when a course change event occurs +static void +CourseChange (std::ostream *os, std::string foo, Ptr<const MobilityModel> mobility) +{ + Vector pos = mobility->GetPosition (); // Get position + Vector vel = mobility->GetVelocity (); // Get velocity + + // Prints position and velocities + *os << Simulator::Now () << " POS: x=" << pos.x << ", y=" << pos.y + << ", z=" << pos.z << "; VEL:" << vel.x << ", y=" << vel.y + << ", z=" << vel.z << std::endl; +} + +// Example to use ns2 traces file in ns3 +int main (int argc, char *argv[]) +{ + std::string traceFile; + std::string logFile; + + int nodeNum; + double duration; + + // Enable logging from the ns2 helper + LogComponentEnable ("Ns2MobilityHelper",LOG_LEVEL_DEBUG); + + // Parse command line attribute + CommandLine cmd; + cmd.AddValue ("traceFile", "Ns2 movement trace file", traceFile); + cmd.AddValue ("nodeNum", "Number of nodes", nodeNum); + cmd.AddValue ("duration", "Duration of Simulation", duration); + cmd.AddValue ("logFile", "Log file", logFile); + cmd.Parse (argc,argv); + + // Check command line arguments + if (traceFile.empty () || nodeNum <= 0 || duration <= 0 || logFile.empty ()) + { + std::cout << "Usage of " << argv[0] << " :\n\n" + "./waf --run \"ns2-mobility-trace" + " --traceFile=/home/mgiachino/ns-3-dev/examples/mobility/default.ns_movements" + " --nodeNum=2 --duration=100.0 --logFile=main-ns2-mob.log\" \n\n" + "NOTE: ns2-traces-file could be an absolute or relative path. You could use the file default.ns_movements\n" + " included in the same directory that the present file.\n\n" + "NOTE 2: Number of nodes present in the trace file must match with the command line argument and must\n" + " be a positive number. Note that you must know it before to be able to load it.\n\n" + "NOTE 3: Duration must be a positive number. Note that you must know it before to be able to load it.\n\n"; + + return 0; + } + + // Create Ns2MobilityHelper with the specified trace log file as parameter + Ns2MobilityHelper ns2 = Ns2MobilityHelper (traceFile); + + // open log file for output + std::ofstream os; + os.open (logFile.c_str ()); + + + + // Create all nodes. + NodeContainer stas; + stas.Create (nodeNum); + + ns2.Install (); // configure movements for each node, while reading trace file + + // Configure callback for logging + Config::Connect ("/NodeList/*/$ns3::MobilityModel/CourseChange", + MakeBoundCallback (&CourseChange, &os)); + + Simulator::Stop (Seconds (duration)); + Simulator::Run (); + Simulator::Destroy (); + + os.close (); // close log file + return 0; +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/examples/mobility/waf Sun Jun 20 17:21:22 2010 +0400 @@ -0,0 +1,1 @@ +exec "`dirname "$0"`"/../../waf "$@"
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/examples/mobility/wscript Sun Jun 20 17:21:22 2010 +0400 @@ -0,0 +1,6 @@ +## -*- Mode: python; py-indent-offset: 4; indent-tabs-mode: nil; coding: utf-8; -*- + +def build(bld): + obj = bld.create_ns3_program('ns2-mobility-trace', ['core', 'simulator', 'mobility', 'wifi', 'mesh']) + obj.source = 'ns2-mobility-trace.cc' +
--- a/samples/main-ns2-mob.cc Sat Jun 19 17:10:57 2010 +0100 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,40 +0,0 @@ -#include "ns3/core-module.h" -#include "ns3/mobility-module.h" -#include "ns3/simulator-module.h" -#include "ns3/helper-module.h" -#include "ns3/mobility-module.h" -#include <iostream> -#include <fstream> - -using namespace ns3; - -static void -CourseChange (std::ostream *os, std::string foo, Ptr<const MobilityModel> mobility) -{ - Vector pos = mobility->GetPosition (); - Vector vel = mobility->GetVelocity (); - *os << Simulator::Now () << " POS: x=" << pos.x << ", y=" << pos.y - << ", z=" << pos.z << "; VEL:" << vel.x << ", y=" << vel.y - << ", z=" << vel.z << std::endl; -} - -int main (int argc, char *argv[]) -{ - Ns2MobilityHelper mobility(argv[1]); - std::ofstream os; - os.open (argv[2]); - NodeContainer stas; - stas.Create (1); - - mobility.Install (); - - Config::Connect ("/NodeList/*/$ns3::MobilityModel/CourseChange", - MakeBoundCallback (&CourseChange, &os)); - - Simulator::Stop (Seconds (10.0)); - Simulator::Run (); - Simulator::Destroy (); - - os.close (); - return 0; -}
--- a/samples/ns2-mob.tr Sat Jun 19 17:10:57 2010 +0100 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,7 +0,0 @@ - -$node_(0) set X_ 0.0 -$node_(0) set Y_ 25.0 -$node_(0) set Z_ 0.0 -$ns_ at 3.0 "$node_(0) setdest 25 0 0" -$ns_ at 4.8 "$node_(0) setdest 0 0 0" -$ns_ at 5.0 "$node_(0) setdest 25 0 0"
--- a/samples/wscript Sat Jun 19 17:10:57 2010 +0100 +++ b/samples/wscript Sun Jun 20 17:21:22 2010 +0400 @@ -50,10 +50,6 @@ ['core', 'simulator', 'mobility', 'wifi']) obj.source = 'main-propagation-loss.cc' - obj = bld.create_ns3_program('main-ns2-mob', - ['core', 'simulator', 'mobility', 'wifi']) - obj.source = 'main-ns2-mob.cc' - obj = bld.create_ns3_program('sample-random-variable', ['core', 'simulator']) obj.source = 'sample-random-variable.cc'
--- a/src/helper/ns2-mobility-helper.cc Sat Jun 19 17:10:57 2010 +0100 +++ b/src/helper/ns2-mobility-helper.cc Sun Jun 20 17:21:22 2010 +0400 @@ -1,6 +1,7 @@ /* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */ /* * Copyright (c) 2007 INRIA + * 2009,2010 Contributors * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as @@ -16,26 +17,123 @@ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * * Author: Mathieu Lacage <mathieu.lacage@sophia.inria.fr> + * Contributors: Thomas Waldecker <twaldecker@rocketmail.com> + * MartÃn Giachino <martin.giachino@gmail.com> + * + * Brief description: Implementation of a ns2 movement trace file reader. + * + * This implementation is based on the ns2 movement documentation of ns2 + * as described in http://www.isi.edu/nsnam/ns/doc/node174.html + * + * Valid trace files use the following ns2 statements: + * + * $node set X_ x1 + * $node set Y_ y1 + * $node set Z_ z1 + * $ns at $time $node setdest x2 y2 speed + * $ns at $time $node set X_ x1 + * $ns at $time $node set Y_ Y1 + * $ns at $time $node set Z_ Z1 + * */ + + #include <fstream> #include <sstream> +#include <map> +#include <algorithm> #include "ns3/log.h" #include "ns3/simulator.h" #include "ns3/node-list.h" #include "ns3/node.h" #include "ns3/constant-velocity-mobility-model.h" +#include "ns3/test.h" +#include "ns3/node-container.h" +#include "ns3/names.h" +#include "ns3/config.h" #include "ns2-mobility-helper.h" NS_LOG_COMPONENT_DEFINE ("Ns2MobilityHelper"); +using namespace std; + namespace ns3 { +// Constants definitions +#define NS2_AT "at" +#define NS2_X_COORD "X_" +#define NS2_Y_COORD "Y_" +#define NS2_Z_COORD "Z_" +#define NS2_SETDEST "setdest" +#define NS2_SET "set" +#define NS2_NODEID "$node_(" +#define NS2_NS_SCH "$ns_" + + +// Type to maintain line parsed and its values +struct ParseResult +{ + vector<string> tokens; // tokens from a line + vector<int> ivals; // int values for each tokens + vector<bool> has_ival; // points if a tokens has an int value + vector<double> dvals; // double values for each tokens + vector<bool> has_dval; // points if a tokens has a double value + vector<string> svals; // string value for each token +}; + + +// Parses a line of ns2 mobility +static ParseResult ParseNs2Line (const string& str); + +// Put out blank spaces at the start and end of a line +static string TrimNs2Line (const string& str); + +// Checks if a string represents a number or it has others characters than digits an point. +static bool IsNumber (const string& s); + +// Check if s string represents a numeric value +template<class T> +static bool IsVal (const string& str, T& ret); + +// Checks if the value between brackets is a correct nodeId number +static bool HasNodeIdNumber (string str); + +// Gets nodeId number in string format from the string like $node_(4) +static string GetNodeIdFromToken (string str); + +// Get node id number in int format +static int GetNodeIdInt (ParseResult pr); + +// Get node id number in string format +static string GetNodeIdString (ParseResult pr); + +// Add one coord to a vector position +static Vector SetOneInitialCoord (Vector actPos, string& coord, double value); + +// Check if this corresponds to a line like this: $node_(0) set X_ 123 +static bool IsSetInitialPos (ParseResult pr); + +// Check if this corresponds to a line like this: $ns_ at 1 "$node_(0) setdest 2 3 4" +static bool IsSchedSetPos (ParseResult pr); + +// Check if this corresponds to a line like this: $ns_ at 1 "$node_(0) set X_ 2" +static bool IsSchedMobilityPos (ParseResult pr); + +// Set waypoints and speed for movement. +static Vector SetMovement (Ptr<ConstantVelocityMobilityModel> model, Vector lastPos, double at, + double xFinalPosition, double yFinalPosition, double speed); + +// Set initial position for a node +static Vector SetInitialPosition (Ptr<ConstantVelocityMobilityModel> model, string coord, double coordVal); + +// Schedule a set of position for a node +static Vector SetSchedPosition (Ptr<ConstantVelocityMobilityModel> model, double at, string coord, double coordVal); + Ns2MobilityHelper::Ns2MobilityHelper (std::string filename) : m_filename (filename) -{} - - +{ +} Ptr<ConstantVelocityMobilityModel> Ns2MobilityHelper::GetMobilityModel (std::string idString, const ObjectStore &store) const @@ -58,90 +156,873 @@ return model; } -double -Ns2MobilityHelper::ReadDouble (std::string valueString) const + +void +Ns2MobilityHelper::ConfigNodesMovements (const ObjectStore &store) const { - std::istringstream iss; - iss.str (valueString); - double value; - iss >> value; - return value; -} + map<int, Vector> last_pos; // Vector containing lasts positions for each node -void -Ns2MobilityHelper::LayoutObjectStore (const ObjectStore &store) const -{ std::ifstream file (m_filename.c_str (), std::ios::in); - if (file.is_open()) + if (file.is_open ()) { - while (!file.eof() ) + while (!file.eof () ) { + int iNodeId = 0; + std::string nodeId; std::string line; + getline (file, line); - std::string::size_type startNodeId = line.find_first_of ("("); - std::string::size_type endNodeId = line.find_first_of (")"); - if (startNodeId == std::string::npos || - endNodeId == std::string::npos) - { - continue; - } - Ptr<ConstantVelocityMobilityModel> model = GetMobilityModel (line.substr (startNodeId + 1, - endNodeId - (startNodeId + 1)), - store); - if (model == 0) + + // ignore empty lines + if (line.empty ()) { continue; } - if (startNodeId == 6) + + ParseResult pr = ParseNs2Line (line); // Parse line and obtain tokens + + // Check if the line corresponds with one of the three types of line + if (pr.tokens.size () != 4 && pr.tokens.size () != 7 && pr.tokens.size () != 8) + { + NS_LOG_ERROR ("Line has not correct number of parameters (corrupted file?): " << line << "\n"); + continue; + } + + // Get the node Id + nodeId = GetNodeIdString (pr); + iNodeId = GetNodeIdInt (pr); + if (iNodeId == -1) + { + NS_LOG_ERROR ("Node number couldn't be obtained (corrupted file?): " << line << "\n"); + continue; + } + + // get mobility model of node + Ptr<ConstantVelocityMobilityModel> model = GetMobilityModel (nodeId,store); + + // if model not exists, continue + if (model == 0) { - double value = ReadDouble (line.substr (endNodeId + 9, std::string::npos)); - std::string coordinate = line.substr (endNodeId + 6, 1); - Vector position = model->GetPosition (); - if (coordinate == "X") + NS_LOG_ERROR ("Unknown node ID (corrupted file?): " << nodeId << "\n"); + continue; + } + + + /* + * In this case a initial position is being seted + * line like $node_(0) set X_ 151.05190721688197 + */ + if (IsSetInitialPos (pr)) + { + // coord coord value + last_pos[iNodeId] = SetInitialPosition (model, pr.tokens[2], pr.dvals[3]); + + // Log new position + NS_LOG_DEBUG ("Positions after parse for node " << iNodeId << " " << nodeId << + " x=" << last_pos[iNodeId].x << " y=" << last_pos[iNodeId].y << " z=" << last_pos[iNodeId].z); + } + + else // NOW EVENTS TO BE SCHEDULED + { + + // This is a scheduled event, so time at should be present + double at; + + if (!IsNumber (pr.tokens[2])) { - position.x = value; - NS_LOG_DEBUG ("X=" << value); + NS_LOG_WARN ("Time is not a number: " << pr.tokens[2]); + continue; } - else if (coordinate == "Y") + + at = pr.dvals[2]; // set time at + + if ( at < 0 ) { - position.y = value; - NS_LOG_DEBUG ("Y=" << value); + NS_LOG_WARN ("Time is less than cero: " << at); + continue; } - else if (coordinate == "Z") + + + + /* + * In this case a new waypoint is added + * line like $ns_ at 1 "$node_(0) setdest 2 3 4" + */ + if (IsSchedMobilityPos (pr)) { - position.z = value; - NS_LOG_DEBUG ("Z=" << value); + // last position time X coord Y coord velocity + last_pos[iNodeId] = SetMovement (model, last_pos[iNodeId], at, pr.dvals[5], pr.dvals[6], pr.dvals[7]); + + // Log new position + NS_LOG_DEBUG ("Positions after parse for node " << iNodeId << " " << nodeId << + " x=" << last_pos[iNodeId].x << " y=" << last_pos[iNodeId].y << " z=" << last_pos[iNodeId].z); + } + + + /* + * Scheduled set position + * line like $ns_ at 4.634906291962 "$node_(0) set X_ 28.675920486450" + */ + else if (IsSchedSetPos (pr)) + { + // time coordinate coord value + last_pos[iNodeId] = SetSchedPosition (model, at, pr.tokens[5], pr.dvals[6]); + + // Log new position + NS_LOG_DEBUG ("Positions after parse for node " << iNodeId << " " << nodeId << + " x=" << last_pos[iNodeId].x << " y=" << last_pos[iNodeId].y << " z=" << last_pos[iNodeId].z); } else { - continue; + NS_LOG_WARN ("Format Line is not correct: " << line << "\n"); } - model->SetPosition (position); - } - else - { - std::string::size_type atEnd = line.find_first_of (" ", 8); - std::string atStr = line.substr (8, atEnd-8); - NS_LOG_DEBUG (atStr); - double at = ReadDouble (atStr); - std::string::size_type xSpeedEnd = line.find_first_of (" ", endNodeId + 10); - std::string::size_type ySpeedEnd = line.find_first_of (" ", xSpeedEnd + 1); - double xSpeed = ReadDouble (line.substr (endNodeId + 10, xSpeedEnd - endNodeId - 10)); - double ySpeed = ReadDouble (line.substr (xSpeedEnd + 1, ySpeedEnd - xSpeedEnd - 1)); - double zSpeed = ReadDouble (line.substr (ySpeedEnd + 1, std::string::npos)); - NS_LOG_DEBUG ("at=" << at << "xSpeed=" << xSpeed << ", ySpeed=" << ySpeed << ", zSpeed=" << zSpeed); - Simulator::Schedule (Seconds (at), &ConstantVelocityMobilityModel::SetVelocity, model, - Vector (xSpeed, ySpeed, zSpeed)); } } - file.close(); + file.close (); + } +} + + +ParseResult +ParseNs2Line (const string& str) +{ + ParseResult ret; + istringstream s; + string line; + + // ignore comments (#) + size_t pos_sharp = str.find_first_of ('#'); + if (pos_sharp != string::npos) + { + line = str.substr (0, pos_sharp); + } + else + { + line = str; + } + + line = TrimNs2Line (line); + + // If line hasn't a correct node Id + if (!HasNodeIdNumber (line)) + { + NS_LOG_WARN ("Line has no node Id: " << line); + return ret; + } + + s.str (line); + + while (!s.eof ()) + { + string x; + s >> x; + ret.tokens.push_back (x); + int ii; + double d; + if (HasNodeIdNumber (x)) + { + x = GetNodeIdFromToken (x); + } + ret.has_ival.push_back (IsVal<int> (x, ii)); + ret.ivals.push_back (ii); + ret.has_dval.push_back (IsVal<double> (x, d)); + ret.dvals.push_back (d); + ret.svals.push_back (x); + } + + size_t tokensLength = ret.tokens.size (); // number of tokens in line + size_t lasTokenLength = ret.tokens[tokensLength - 1].size (); // length of the last token + + // if it is a scheduled set _[XYZ] or a setdest I need to remove the last " + // and re-calculate values + if ( (tokensLength == 7 || tokensLength == 8) + && (ret.tokens[tokensLength - 1][lasTokenLength - 1] == '"') ) + { + + // removes " from the last position + ret.tokens[tokensLength - 1] = ret.tokens[tokensLength - 1].substr (0,lasTokenLength - 1); + + string x; + x = ret.tokens[tokensLength - 1]; + + if (HasNodeIdNumber (x)) + { + x = GetNodeIdFromToken (x); + } + + // Re calculate values + int ii; + double d; + ret.has_ival[tokensLength - 1] = IsVal<int> (x, ii); + ret.ivals[tokensLength - 1] = ii; + ret.has_dval[tokensLength - 1] = IsVal<double> (x, d); + ret.dvals[tokensLength - 1] = d; + ret.svals[tokensLength - 1] = x; + + } + else if ( (tokensLength == 9 && ret.tokens[tokensLength - 1] == "\"") + || (tokensLength == 8 && ret.tokens[tokensLength - 1] == "\"")) + { + // if the line has the " character in this way: $ns_ at 1 "$node_(0) setdest 2 2 1 " + // or in this: $ns_ at 4 "$node_(0) set X_ 2 " we need to ignore this last token + + ret.tokens.erase (ret.tokens.begin () + tokensLength - 1); + ret.has_ival.erase (ret.has_ival.begin () + tokensLength - 1); + ret.ivals.erase (ret.ivals.begin () + tokensLength - 1); + ret.has_dval.erase (ret.has_dval.begin () + tokensLength - 1); + ret.dvals.erase (ret.dvals.begin () + tokensLength - 1); + ret.svals.erase (ret.svals.begin () + tokensLength - 1); + + } + + + + return ret; +} + + +string +TrimNs2Line (const string& s) +{ + string ret = s; + + while (ret.size () > 0 && isblank (ret[0])) + { + ret.erase (0, 1); // Removes blank spaces at the begining of the line + } + + while (ret.size () > 0 && isblank (ret[ret.size () - 1])) + { + ret.erase (ret.size () - 1, 1); // Removes blank spaces from at end of line + } + + return ret; +} + + +bool +IsNumber (const string& s) +{ + char *endp; + double unused; + unused = strtod (s.c_str (), &endp); // declared with warn_unused_result + return endp == s.c_str () + s.size (); +} + + +template<class T> +bool IsVal (const string& str, T& ret) +{ + if (str.size () == 0) + { + return false; + } + else if (IsNumber (str)) + { + string s2 = str; + istringstream s (s2); + s >> ret; + return true; + } + else + { + return false; + } +} + + +bool +HasNodeIdNumber (string str) +{ + + // find brackets + std::string::size_type startNodeId = str.find_first_of ("("); // index of left bracket + std::string::size_type endNodeId = str.find_first_of (")"); // index of right bracket + + // Get de nodeId in a string and in a int value + std::string nodeId; // node id + + // if no brackets, continue! + if (startNodeId == std::string::npos || endNodeId == std::string::npos) + { + return false; + } + + nodeId = str.substr (startNodeId + 1, endNodeId - (startNodeId + 1)); // set node id + + // is number is integer is not negative + if (IsNumber (nodeId) && (nodeId.find_first_of (".") == std::string::npos) && (nodeId[0] != '-')) + { + return true; + } + else + { + return false; } } -void + +string +GetNodeIdFromToken (string str) +{ + if (HasNodeIdNumber (str)) + { + // find brackets + std::string::size_type startNodeId = str.find_first_of ("("); // index of left bracket + std::string::size_type endNodeId = str.find_first_of (")"); // index of right bracket + + return str.substr (startNodeId + 1, endNodeId - (startNodeId + 1)); // set node id + } + else + { + return ""; + } +} + + +int +GetNodeIdInt (ParseResult pr) +{ + switch (pr.tokens.size ()) + { + case 4: // line like $node_(0) set X_ 11 + return pr.ivals[0]; + break; + case 7: // line like $ns_ at 4 "$node_(0) set X_ 28" + return pr.ivals[3]; + break; + case 8: // line like $ns_ at 1 "$node_(0) setdest 2 3 4" + return pr.ivals[3]; + break; + default: + return -1; + } +} + +// Get node id number in string format +string +GetNodeIdString (ParseResult pr) +{ + switch (pr.tokens.size ()) + { + case 4: // line like $node_(0) set X_ 11 + return pr.svals[0]; + break; + case 7: // line like $ns_ at 4 "$node_(0) set X_ 28" + return pr.svals[3]; + break; + case 8: // line like $ns_ at 1 "$node_(0) setdest 2 3 4" + return pr.svals[3]; + break; + default: + return ""; + } +} + + +Vector +SetOneInitialCoord (Vector position, string& coord, double value) +{ + + // set the position for the coord. + if (coord == NS2_X_COORD) + { + position.x = value; + NS_LOG_DEBUG ("X=" << value); + } + else if (coord == NS2_Y_COORD) + { + position.y = value; + NS_LOG_DEBUG ("Y=" << value); + } + else if (coord == NS2_Z_COORD) + { + position.z = value; + NS_LOG_DEBUG ("Z=" << value); + } + return position; +} + + +bool +IsSetInitialPos (ParseResult pr) +{ + // number of tokens has $node_( ? has "set" has doble for position? + return pr.tokens.size () == 4 && HasNodeIdNumber (pr.tokens[0]) && pr.tokens[1] == NS2_SET && pr.has_dval[3] + // coord name is X_, Y_ or Z_ ? + && (pr.tokens[2] == NS2_X_COORD || pr.tokens[2] == NS2_Y_COORD || pr.tokens[2] == NS2_Z_COORD); + +} + + +bool +IsSchedSetPos (ParseResult pr) +{ + // correct number of tokens, has $ns_ and at + return pr.tokens.size () == 7 && pr.tokens[0] == NS2_NS_SCH && pr.tokens[1] == NS2_AT + && pr.tokens[4] == NS2_SET && pr.has_dval[2] && pr.has_dval[3] // has set and double value for time and nodeid + && ( pr.tokens[5] == NS2_X_COORD || pr.tokens[5] == NS2_Y_COORD || pr.tokens[5] == NS2_Z_COORD) // has X_, Y_ or Z_? + && pr.has_dval[2]; // time is a number +} + +bool +IsSchedMobilityPos (ParseResult pr) +{ + // number of tokens and has $ns_ and has at + return pr.tokens.size () == 8 && pr.tokens[0] == NS2_NS_SCH && pr.tokens[1] == NS2_AT + // time x coord y coord velocity are numbers? + && pr.has_dval[2] && pr.has_dval[5] && pr.has_dval[6] && pr.has_dval[7] + && pr.tokens[4] == NS2_SETDEST; // and has setdest + +} + +Vector +SetMovement (Ptr<ConstantVelocityMobilityModel> model, Vector last_pos, double at, + double xFinalPosition, double yFinalPosition, double speed) +{ + Vector position; + position.x = last_pos.x; + position.y = last_pos.y; + position.z = last_pos.z; + + if (speed == 0) + { + // We have to maintain last position, and stop the movement + Simulator::Schedule (Seconds (at), &ConstantVelocityMobilityModel::SetVelocity, model, + Vector (0, 0, 0)); + } + else if (speed > 0) + { + // first calculate the time; time = distance / speed + double time = sqrt (pow (xFinalPosition - position.x, 2) + pow (yFinalPosition - position.y, 2)) / speed; + NS_LOG_DEBUG ("at=" << at << " time=" << time); + // now calculate the xSpeed = distance / time + double xSpeed = (xFinalPosition - position.x) / time; + double ySpeed = (yFinalPosition - position.y) / time; // & same with ySpeed + + // quick and dirty set zSpeed = 0 + double zSpeed = 0; + + NS_LOG_DEBUG ("Calculated Speed: X=" << xSpeed << " Y=" << ySpeed << " Z=" << zSpeed); + + // Set the Values + Simulator::Schedule (Seconds (at), &ConstantVelocityMobilityModel::SetVelocity, model, + Vector (xSpeed, ySpeed, zSpeed)); + + if (time >= 0) + { + Simulator::Schedule (Seconds (at + time), &ConstantVelocityMobilityModel::SetVelocity, + model, Vector (0, 0, 0)); + } + + position.x = xFinalPosition; + position.y = yFinalPosition; + position.z = 0; + } + + return position; +} + + +Vector +SetInitialPosition (Ptr<ConstantVelocityMobilityModel> model, string coord, double coordVal) +{ + model->SetPosition (SetOneInitialCoord (model->GetPosition (), coord, coordVal)); + + Vector position; + position.x = model->GetPosition ().x; + position.y = model->GetPosition ().y; + position.z = model->GetPosition ().z; + + return position; +} + +// Schedule a set of position for a node +Vector +SetSchedPosition (Ptr<ConstantVelocityMobilityModel> model, double at, string coord, double coordVal) +{ + // update position + model->SetPosition (SetOneInitialCoord (model->GetPosition (), coord, coordVal)); + + Vector position; + position.x = model->GetPosition ().x; + position.y = model->GetPosition ().y; + position.z = model->GetPosition ().z; + + // Chedule next positions + Simulator::Schedule (Seconds (at), &ConstantVelocityMobilityModel::SetPosition, model,position); + + return position; +} + +void Ns2MobilityHelper::Install (void) const { Install (NodeList::Begin (), NodeList::End ()); } +// ----------------------------------------------------------------------------- +// Testing +// ----------------------------------------------------------------------------- +bool operator== (Vector const & a, Vector const & b) +{ + return (a.x == b.x && a.y == b.y && a.z == b.z); +} +/** + * Every test case is supposed to: + * 1. Generate short mobility trace file + * 2. Read it back using Ns2MobilityHelper + * 3. Check initial node positions and speeds. + * 4. Run simulation listening for all CourseChange events and compare actual mobility with the reference + */ +class Ns2MobilityHelperTest : public TestCase +{ +public: + /// Single record in mobility reference + struct ReferencePoint + { + std::string node; ///< node ID as string, e.g. "1" + Time time; ///< timestamp + Vector pos; ///< reference position + Vector vel; ///< reference velocity + + ReferencePoint (std::string const & id, Time t, Vector const & p, Vector const & v) + : node (id), + time (t), + pos (p), + vel (v) + { + } + /// Sort by timestamp + bool operator< (ReferencePoint const & o) const + { + return (time < o.time); + } + }; + /** + * Create new test case. To make it useful SetTrace () and AddReferencePoint () must be called + * + * \param name Short description + * \param nodes Number of nodes used in the test trace, 1 by default + */ + Ns2MobilityHelperTest (std::string const & name, Time timeLimit, uint32_t nodes = 1) + : TestCase (name), + m_timeLimit (timeLimit), + m_nodeCount (nodes), + m_nextRefPoint (0) + { + } + /// Empty + virtual ~Ns2MobilityHelperTest () + { + } + /// Set NS-2 trace to read as single large string (don't forget to add \n and quote ") + void SetTrace (std::string const & trace) + { + m_trace = trace; + } + /// Add next reference point + void AddReferencePoint (ReferencePoint const & r) + { + m_reference.push_back (r); + } + /// Sugar + void AddReferencePoint (const char * id, double sec, Vector const & p, Vector const & v) + { + AddReferencePoint (ReferencePoint (id, Seconds (sec), p, v)); + } + +private: + /// Test time limit + Time m_timeLimit; + /// Number of nodes used in the test + uint32_t m_nodeCount; + /// Trace as string + std::string m_trace; + /// Reference mobility + std::vector<ReferencePoint> m_reference; + /// Next reference point to be checked + size_t m_nextRefPoint; + /// TMP trace file name + std::string m_traceFile; + +private: + /// Dump NS-2 trace to tmp file + bool WriteTrace () + { + m_traceFile = GetTempDir () + "Ns2MobilityHelperTest.tcl"; + std::ofstream of (m_traceFile.c_str ()); + NS_TEST_ASSERT_MSG_EQ (of.is_open (), true, "Need to write tmp. file"); + of << m_trace; + of.close (); + return false; // no errors + } + /// Create and name nodes + void CreateNodes () + { + NodeContainer nodes; + nodes.Create (m_nodeCount); + for (uint32_t i = 0; i < m_nodeCount; ++i) + { + std::ostringstream os; + os << i; + Names::Add (os.str (), nodes.Get (i)); + } + } + /// Check that all initial positions are correct + bool CheckInitialPositions () + { + std::stable_sort (m_reference.begin (), m_reference.end ()); + while (m_nextRefPoint < m_reference.size () && m_reference[m_nextRefPoint].time == Seconds (0)) + { + ReferencePoint const & rp = m_reference[m_nextRefPoint]; + Ptr<Node> node = Names::Find<Node> (rp.node); + NS_TEST_ASSERT_MSG_NE (node, 0, "Can't find node with id " << rp.node); + Ptr<MobilityModel> mob = node->GetObject<MobilityModel> (); + NS_TEST_ASSERT_MSG_NE (mob, 0, "Can't find mobility for node " << rp.node); + + NS_TEST_EXPECT_MSG_EQ (rp.pos, mob->GetPosition (), "Initial position mismatch for node " << rp.node); + NS_TEST_EXPECT_MSG_EQ (rp.vel, mob->GetVelocity (), "Initial velocity mismatch for node " << rp.node); + + m_nextRefPoint++; + } + return GetErrorStatus (); + } + /// Listen for course change events + void CourseChange (std::string context, Ptr<const MobilityModel> mobility) + { + Time time = Simulator::Now (); + Ptr<Node> node = mobility->GetObject<Node> (); + NS_ASSERT (node); + std::string id = Names::FindName (node); + NS_ASSERT (!id.empty ()); + Vector pos = mobility->GetPosition (); + Vector vel = mobility->GetVelocity (); + + NS_TEST_EXPECT_MSG_LT (m_nextRefPoint, m_reference.size (), "Not enough reference points"); + if (m_nextRefPoint >= m_reference.size ()) + { + return; + } + + ReferencePoint const & ref = m_reference [m_nextRefPoint++]; + NS_TEST_EXPECT_MSG_EQ (time, ref.time, "Time mismatch"); + NS_TEST_EXPECT_MSG_EQ (id, ref.node, "Node ID mismatch at time " << time.GetSeconds () << " s"); + NS_TEST_EXPECT_MSG_EQ (pos, ref.pos, "Position mismatch at time " << time.GetSeconds () << " s for node " << id); + NS_TEST_EXPECT_MSG_EQ (vel, ref.vel, "Velocity mismatch at time " << time.GetSeconds () << " s for node " << id); + } + /// Go + bool DoRun () + { + NS_TEST_ASSERT_MSG_EQ (m_trace.empty (), false, "Need trace"); + NS_TEST_ASSERT_MSG_EQ (m_reference.empty (), false, "Need reference"); + + if (WriteTrace ()) + { + return GetErrorStatus (); + } + CreateNodes (); + Ns2MobilityHelper mobility (m_traceFile); + mobility.Install (); + if (CheckInitialPositions ()) + { + return GetErrorStatus (); + } + Config::Connect ("/NodeList/*/$ns3::MobilityModel/CourseChange", + MakeCallback (&Ns2MobilityHelperTest::CourseChange, this)); + Simulator::Stop (m_timeLimit); + Simulator::Run (); + Names::Clear (); + std::remove (m_traceFile.c_str ()); + Simulator::Destroy (); + return GetErrorStatus (); + } +}; + +/// The test suite +class Ns2MobilityHelperTestSuite : public TestSuite +{ +public: + Ns2MobilityHelperTestSuite () : TestSuite ("mobility-ns2-trace-helper", UNIT) + { + // to be used as temporary variable for test cases. + // Note that test suite takes care of deleting all test cases. + Ns2MobilityHelperTest * t (0); + + // Initial position + t = new Ns2MobilityHelperTest ("initial position", Seconds (1)); + t->SetTrace ("$node_(0) set X_ 1.0\n" + "$node_(0) set Y_ 2.0\n" + "$node_(0) set Z_ 3.0\n" + ); + t->AddReferencePoint ("0", 0, Vector (1, 2, 3), Vector (0, 0, 0)); + AddTestCase (t); + + // Check parsing comments, empty lines and no EOF at the end of file + t = new Ns2MobilityHelperTest ("comments", Seconds (1)); + t->SetTrace ("# comment\n" + "\n\n" // empty lines + "$node_(0) set X_ 1.0 # comment \n" + "$node_(0) set Y_ 2.0 ### \n" + "$node_(0) set Z_ 3.0 # $node_(0) set Z_ 3.0\n" + "#$node_(0) set Z_ 100 #" + ); + t->AddReferencePoint ("0", 0, Vector (1, 2, 3), Vector (0, 0, 0)); + AddTestCase (t); + + // Simple setdest. Arguments are interpreted as x, y, speed by default + t = new Ns2MobilityHelperTest ("simple setdest", Seconds (10)); + t->SetTrace ("$ns_ at 1.0 \"$node_(0) setdest 25 0 5\""); + // id t position velocity + t->AddReferencePoint ("0", 0, Vector (0, 0, 0), Vector (0, 0, 0)); + t->AddReferencePoint ("0", 1, Vector (0, 0, 0), Vector (5, 0, 0)); + t->AddReferencePoint ("0", 6, Vector (25, 0, 0), Vector (0, 0, 0)); + AddTestCase (t); + + // Several set and setdest. Arguments are interpreted as x, y, speed by default + t = new Ns2MobilityHelperTest ("square setdest", Seconds (6)); + t->SetTrace ("$node_(0) set X_ 0.0\n" + "$node_(0) set Y_ 0.0\n" + "$ns_ at 1.0 \"$node_(0) setdest 5 0 5\"\n" + "$ns_ at 2.0 \"$node_(0) setdest 5 5 5\"\n" + "$ns_ at 3.0 \"$node_(0) setdest 0 5 5\"\n" + "$ns_ at 4.0 \"$node_(0) setdest 0 0 5\"\n" + ); + // id t position velocity + t->AddReferencePoint ("0", 0, Vector (0, 0, 0), Vector (0, 0, 0)); + t->AddReferencePoint ("0", 1, Vector (0, 0, 0), Vector (5, 0, 0)); + t->AddReferencePoint ("0", 2, Vector (5, 0, 0), Vector (0, 0, 0)); + t->AddReferencePoint ("0", 2, Vector (5, 0, 0), Vector (0, 5, 0)); + t->AddReferencePoint ("0", 3, Vector (5, 5, 0), Vector (0, 0, 0)); + t->AddReferencePoint ("0", 3, Vector (5, 5, 0), Vector (-5, 0, 0)); + t->AddReferencePoint ("0", 4, Vector (0, 5, 0), Vector (0, 0, 0)); + t->AddReferencePoint ("0", 4, Vector (0, 5, 0), Vector (0, -5, 0)); + t->AddReferencePoint ("0", 5, Vector (0, 0, 0), Vector (0, 0, 0)); + AddTestCase (t); + + // Scheduled set position + t = new Ns2MobilityHelperTest ("scheduled set position", Seconds (2)); + t->SetTrace ("$ns_ at 1.0 \"$node_(0) set X_ 10\"\n" + "$ns_ at 1.0 \"$node_(0) set Z_ 10\"\n" + "$ns_ at 1.0 \"$node_(0) set Y_ 10\""); + // id t position velocity + t->AddReferencePoint ("0", 1, Vector (10, 0, 0), Vector (0, 0, 0)); + t->AddReferencePoint ("0", 1, Vector (10, 0, 10), Vector (0, 0, 0)); + t->AddReferencePoint ("0", 1, Vector (10, 10, 10), Vector (0, 0, 0)); + AddTestCase (t); + + // Malformed lines + t = new Ns2MobilityHelperTest ("malformed lines", Seconds (2)); + t->SetTrace ("$node() set X_ 1 # node id is not present\n" + "$node # incoplete line\"\n" + "$node this line is not correct\n" + "$node_(0) set X_ 1 # line OK \n" + "$node_(0) set Y_ 2 # line OK \n" + "$node_(0) set Z_ 3 # line OK \n" + "$ns_ at \"$node_(0) setdest 4 4 4\" # time not present\n" + "$ns_ at 1 \"$node_(0) setdest 2 2 1 \" # line OK \n"); + // id t position velocity + t->AddReferencePoint ("0", 0, Vector (1, 2, 3), Vector (0, 0, 0)); + t->AddReferencePoint ("0", 1, Vector (1, 2, 3), Vector (1, 0, 0)); + t->AddReferencePoint ("0", 2, Vector (2, 2, 3), Vector (0, 0, 0)); + AddTestCase (t); + + // Non possible values + t = new Ns2MobilityHelperTest ("non possible values", Seconds (2)); + t->SetTrace ("$node_(0) set X_ 1 # line OK \n" + "$node_(0) set Y_ 2 # line OK \n" + "$node_(0) set Z_ 3 # line OK \n" + "$node_(-22) set Y_ 3 # node id not correct\n" + "$node_(3.3) set Y_ 1111 # node id not correct\n" + "$ns_ at sss \"$node_(0) setdest 5 5 5\" # time is not a number\n" + "$ns_ at 1 \"$node_(0) setdest 2 2 1\" # line OK \n" + "$ns_ at 1 \"$node_(0) setdest 2 2 -1\" # negative speed is not correct\n" + "$ns_ at 1 \"$node_(0) setdest 2 2 sdfs\" # speed is not a number\n" + "$ns_ at 1 \"$node_(0) setdest 2 2 s232dfs\" # speed is not a number\n" + "$ns_ at 1 \"$node_(0) setdest 233 2.. s232dfs\" # more than one non numbers\n" + "$ns_ at -12 \"$node_(0) setdest 11 22 33\" # time should not be negative\n"); + // id t position velocity + t->AddReferencePoint ("0", 0, Vector (1, 2, 3), Vector (0, 0, 0)); + t->AddReferencePoint ("0", 1, Vector (1, 2, 3), Vector (1, 0, 0)); + t->AddReferencePoint ("0", 2, Vector (2, 2, 3), Vector (0, 0, 0)); + AddTestCase (t); + + // More than one node + t = new Ns2MobilityHelperTest ("few nodes, combinations of set and setdest", Seconds (10), 3); + t->SetTrace ("$node_(0) set X_ 1.0\n" + "$node_(0) set Y_ 2.0\n" + "$node_(0) set Z_ 3.0\n" + "$ns_ at 1.0 \"$node_(1) setdest 25 0 5\"\n" + "$node_(2) set X_ 0.0\n" + "$node_(2) set Y_ 0.0\n" + "$ns_ at 1.0 \"$node_(2) setdest 5 0 5\"\n" + "$ns_ at 2.0 \"$node_(2) setdest 5 5 5\"\n" + "$ns_ at 3.0 \"$node_(2) setdest 0 5 5\"\n" + "$ns_ at 4.0 \"$node_(2) setdest 0 0 5\"\n"); + // id t position velocity + t->AddReferencePoint ("0", 0, Vector (1, 2, 3), Vector (0, 0, 0)); + t->AddReferencePoint ("1", 0, Vector (0, 0, 0), Vector (0, 0, 0)); + t->AddReferencePoint ("1", 1, Vector (0, 0, 0), Vector (5, 0, 0)); + t->AddReferencePoint ("1", 6, Vector (25, 0, 0), Vector (0, 0, 0)); + t->AddReferencePoint ("2", 0, Vector (0, 0, 0), Vector (0, 0, 0)); + t->AddReferencePoint ("2", 1, Vector (0, 0, 0), Vector (5, 0, 0)); + t->AddReferencePoint ("2", 2, Vector (5, 0, 0), Vector (0, 0, 0)); + t->AddReferencePoint ("2", 2, Vector (5, 0, 0), Vector (0, 5, 0)); + t->AddReferencePoint ("2", 3, Vector (5, 5, 0), Vector (0, 0, 0)); + t->AddReferencePoint ("2", 3, Vector (5, 5, 0), Vector (-5, 0, 0)); + t->AddReferencePoint ("2", 4, Vector (0, 5, 0), Vector (0, 0, 0)); + t->AddReferencePoint ("2", 4, Vector (0, 5, 0), Vector (0, -5, 0)); + t->AddReferencePoint ("2", 5, Vector (0, 0, 0), Vector (0, 0, 0)); + AddTestCase (t); + + // Test for Speed == 0, that acts as stop the node. + t = new Ns2MobilityHelperTest ("setdest with speed cero", Seconds (10)); + t->SetTrace ("$ns_ at 1.0 \"$node_(0) setdest 25 0 5\"\n" + "$ns_ at 7.0 \"$node_(0) setdest 11 22 0\"\n"); + // id t position velocity + t->AddReferencePoint ("0", 0, Vector (0, 0, 0), Vector (0, 0, 0)); + t->AddReferencePoint ("0", 1, Vector (0, 0, 0), Vector (5, 0, 0)); + t->AddReferencePoint ("0", 6, Vector (25, 0, 0), Vector (0, 0, 0)); + t->AddReferencePoint ("0", 7, Vector (25, 0, 0), Vector (0, 0, 0)); + AddTestCase (t); + + + // Test negative positions + t = new Ns2MobilityHelperTest ("test negative positions", Seconds (10)); + t->SetTrace ("$node_(0) set X_ -1.0\n" + "$node_(0) set Y_ 0\n" + "$ns_ at 1.0 \"$node_(0) setdest 0 0 1\"\n" + "$ns_ at 2.0 \"$node_(0) setdest 0 -1 1\"\n"); + // id t position velocity + t->AddReferencePoint ("0", 0, Vector (-1, 0, 0), Vector (0, 0, 0)); + t->AddReferencePoint ("0", 1, Vector (-1, 0, 0), Vector (1, 0, 0)); + t->AddReferencePoint ("0", 2, Vector (0, 0, 0), Vector (0, 0, 0)); + t->AddReferencePoint ("0", 2, Vector (0, 0, 0), Vector (0, -1, 0)); + t->AddReferencePoint ("0", 3, Vector (0, -1, 0), Vector (0, 0, 0)); + AddTestCase (t); + + // Sqare setdest with values in the form 1.0e+2 + t = new Ns2MobilityHelperTest ("Foalt numbers in 1.0e+2 format", Seconds (6)); + t->SetTrace ("$node_(0) set X_ 0.0\n" + "$node_(0) set Y_ 0.0\n" + "$ns_ at 1.0 \"$node_(0) setdest 1.0e+2 0 1.0e+2\"\n" + "$ns_ at 2.0 \"$node_(0) setdest 1.0e+2 1.0e+2 1.0e+2\"\n" + "$ns_ at 3.0 \"$node_(0) setdest 0 1.0e+2 1.0e+2\"\n" + "$ns_ at 4.0 \"$node_(0) setdest 0 0 1.0e+2\"\n"); + // id t position velocity + t->AddReferencePoint ("0", 0, Vector (0, 0, 0), Vector (0, 0, 0)); + t->AddReferencePoint ("0", 1, Vector (0, 0, 0), Vector (100, 0, 0)); + t->AddReferencePoint ("0", 2, Vector (100, 0, 0), Vector (0, 0, 0)); + t->AddReferencePoint ("0", 2, Vector (100, 0, 0), Vector (0, 100, 0)); + t->AddReferencePoint ("0", 3, Vector (100, 100, 0), Vector (0, 0, 0)); + t->AddReferencePoint ("0", 3, Vector (100, 100, 0), Vector (-100, 0, 0)); + t->AddReferencePoint ("0", 4, Vector (0, 100, 0), Vector (0, 0, 0)); + t->AddReferencePoint ("0", 4, Vector (0, 100, 0), Vector (0, -100, 0)); + t->AddReferencePoint ("0", 5, Vector (0, 0, 0), Vector (0, 0, 0)); + AddTestCase (t); + + } +} g_ns2TransmobilityHelperTestSuite; + + } // namespace ns3
--- a/src/helper/ns2-mobility-helper.h Sat Jun 19 17:10:57 2010 +0100 +++ b/src/helper/ns2-mobility-helper.h Sun Jun 20 17:21:22 2010 +0400 @@ -1,6 +1,7 @@ /* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */ /* * Copyright (c) 2007 INRIA + * 2009,2010 Contributors * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as @@ -16,9 +17,11 @@ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * * Author: Mathieu Lacage <mathieu.lacage@sophia.inria.fr> + * Contributors: Thomas Waldecker <twaldecker@rocketmail.com> + * MartÃn Giachino <martin.giachino@gmail.com> */ -#ifndef NS2_MOBILITY_FILE_TOPOLOGY_H -#define NS2_MOBILITY_FILE_TOPOLOGY_H +#ifndef NS2_MOBILITY_HELPER_H +#define NS2_MOBILITY_HELPER_H #include <string> #include <stdint.h> @@ -30,8 +33,27 @@ class ConstantVelocityMobilityModel; /** - * \brief a topology object which can read ns2's movement files - * generated by the CMU setdest tool. + * \brief A helper which can read ns-2 movement files and configure nodes mobility. + * + * This implementation is based on the ns2 movement documentation of ns2 + * as described in http://www.isi.edu/nsnam/ns/doc/node174.html + * + * Valid trace files use the following ns2 statements: + * + * $node set X_ x1 + * $node set Y_ y1 + * $node set Z_ z1 + * $ns at $time $node setdest x2 y2 speed + * $ns at $time $node set X_ x1 + * $ns at $time $node set Y_ Y1 + * $ns at $time $node set Z_ Z1 + * + * Following tools are known to support this format: + * - BonnMotion http://net.cs.uni-bonn.de/wg/cs/applications/bonnmotion/ + * - SUMO http://sourceforge.net/apps/mediawiki/sumo/index.php?title=Main_Page + * - TraNS http://trans.epfl.ch/ + * + * See usage example in examples/mobility/ns2-mobility-trace.cc */ class Ns2MobilityHelper { @@ -70,9 +92,8 @@ virtual ~ObjectStore () {} virtual Ptr<Object> Get (uint32_t i) const = 0; }; - void LayoutObjectStore (const ObjectStore &store) const; + void ConfigNodesMovements (const ObjectStore &store) const; Ptr<ConstantVelocityMobilityModel> GetMobilityModel (std::string idString, const ObjectStore &store) const; - double ReadDouble (std::string valueString) const; std::string m_filename; }; @@ -104,10 +125,10 @@ T m_begin; T m_end; }; - LayoutObjectStore (MyObjectStore (begin, end)); + ConfigNodesMovements (MyObjectStore (begin, end)); } } // namespace ns3 -#endif /* NS2_MOBILITY_FILE_TOPOLOGY_H */ +#endif /* NS2_MOBILITY_HELPER_H */