Hi

[Yasameen Khudhayer]

I am a beginner in NS3 and I need to learning it very well.

My research about Routing Protocols in WSN, I need to learn how to implement the simulation in it and what is the librarys I need in C++.

Can any one help me with that?

I really need help with NS3.

You could recommend me a book or website or anything else.

Thank you.

[Saurabh Maurya]

Which protocol you are working??

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[Soulimane Mammar]

Hi,

Start by reading the tutorials and viewing the videos from the official web site 
https://www.nsnam.org/documentation/

[Yasameen Khudhayer]

Thanks for reply.

I am working with DCBRP, LEACH and PEGASIS.

And using the mechanisms BCM, CHS, Greedy algorithm.  

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[Abid Syed]

You can visit engg clinic as well

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[Yasameen Khudhayer]

Hi, 

I have this problem in execute DCBRP.cc 

How can I fix it? 

Yasameen Kh. Abbas:

./scratch/DCBRP.cc: In function ‘int main(int, char**)’:

../scratch/DCBRP.cc:501:5: error: this ‘if’ clause does not guard... [-Werror=misleading-indentation]

  501 |   { if ((live[n]==0) && (live[n+10]==0) && (live[n+20]==0))

      |     ^~

../scratch/DCBRP.cc:503:4: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the ‘if’

  503 |    if (((EreNode[n]/(sqrt(mobility.GetDistanceSquaredBetween(SN.Get(nhc),SN.Get(n))))) >= (EreNode[n+10]/(sqrt(mobility.GetDistanceSquaredBetween(SN.Get(nhc),SN.Get(n+10)))))) && ((EreNode[n]/(sqrt(mobility.GetDistanceSquaredBetween(SN.Get(nhc),SN.Get(n))))) >= (EreNode[n+20]/(sqrt(mobility.GetDistanceSquaredBetween(SN.Get(nhc),SN.Get(n+20)))))))

      |    ^~

../scratch/DCBRP.cc:537:4: error: this ‘if’ clause does not guard... [-Werror=misleading-indentation]

  537 |   {if ((live[n]==0) && (live[n+10]==0) && (live[n+20]==0))

      |    ^~

../scratch/DCBRP.cc:539:4: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the ‘if’

  539 |    if (((EreNode[n]/(sqrt(mobility.GetDistanceSquaredBetween(SN.Get(nhc),SN.Get(n))))) >= (EreNode[n+10]/(sqrt(mobility.GetDistanceSquaredBetween(SN.Get(nhc),SN.Get(n+10)))))) && ((EreNode[n]/(sqrt(mobility.GetDistanceSquaredBetween(SN.Get(nhc),SN.Get(n))))) >= (EreNode[n+20]/(sqrt(mobility.GetDistanceSquaredBetween(SN.Get(nhc),SN.Get(n+20)))))))

      |    ^~

../scratch/DCBRP.cc:568:6: error: this ‘if’ clause does not guard... [-Werror=misleading-indentation]

  568 |     {if ((live[n]==0) && (live[n+10]==0) && (live[n+20]==0))

      |      ^~

../scratch/DCBRP.cc:570:6: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the ‘if’

  570 |      if (((EreNode[n]/(sqrt(mobility.GetDistanceSquaredBetween(SN.Get(nhc),SN.Get(n))))) >= (EreNode[n+10]/(sqrt(mobility.GetDistanceSquaredBetween(SN.Get(nhc),SN.Get(n+10)))))) && ((EreNode[n]/(sqrt(mobility.GetDistanceSquaredBetween(SN.Get(nhc),SN.Get(n))))) >= (EreNode[n+20]/(sqrt(mobility.GetDistanceSquaredBetween(SN.Get(nhc),SN.Get(n+20)))))))

      |      ^~

../scratch/DCBRP.cc:1113:26: error: ‘Default’ is not a member of ‘ns3::WifiHelper’

 1113 | wifiBS[w1] = WifiHelper::Default ();

      |                          ^~~~~

../scratch/DCBRP.cc:1125:24: error: ‘Default’ is not a member of ‘ns3::WifiHelper’

 1125 | wifi[w2] = WifiHelper::Default ();

      |                        ^~~

../scratch/DCBRP.cc:1132:3: error: ‘NqosWifiMacHelper’ was not declared in this scope

 1132 |   NqosWifiMacHelper* macBS = new NqosWifiMacHelper[3];

      |   ^~~~~~~~~~~~~

../scratch/DCBRP.cc:1132:22: error: ‘macBS’ was not declared in this scope

 1132 |   NqosWifiMacHelper* macBS = new NqosWifiMacHelper[3];

      |                      ^

../scratch/DCBRP.cc:1132:34: error: ‘NqosWifiMacHelper’ does not name a type

 1132 |   NqosWifiMacHelper* macBS = new NqosWifiMacHelper[3];

      |                                  ^~~~~~~~~~~~~

../scratch/DCBRP.cc:1134:16: error: ‘NqosWifiMacHelper’ is not a class, namespace, or enumeration

 1134 |     macBS[m] = NqosWifiMacHelper::Default ();

      |                ^~~~~~~~~~~~~

../scratch/DCBRP.cc:1139:20: error: ‘mac’ was not declared in this scope; did you mean ‘ac’?

 1139 | NqosWifiMacHelper* mac = new NqosWifiMacHelper[87];

      |                    ^

      |                    ac

../scratch/DCBRP.cc:1139:30: error: ‘NqosWifiMacHelper’ does not name a type

 1139 | NqosWifiMacHelper* mac = new NqosWifiMacHelper[87];

      |                              ^~~~~~~~~~~~~~~

../scratch/DCBRP.cc:1142:17: error: ‘NqosWifiMacHelper’ is not a class, namespace, or enumeration

 1142 |       mac[m2] = NqosWifiMacHelper::Default ();

      |                 ^~~~~~~~~~~~~~~

cc1plus: all warnings being treated as errors

Waf: Leaving directory `/home/ubuntu/ns-allinone-3.31/ns-3.31/build'

Build failed

 -> task in 'DCBRP' failed with exit status 1 (run with -v to display more information)

Traceback (most recent call last):

  File "./build.py", line 175, in <module>

    sys.exit(main(sys.argv))

  File "./build.py", line 166, in main

    build_ns3(config, build_examples, build_tests, args, build_options)

  File "./build.py", line 86, in build_ns3

    run_command([sys.executable, "waf", "build"] + build_options)

  File "/home/ubuntu/ns-allinone-3.31/util.py", line 25, in run_command

    raise CommandError("Command %r exited with code %i" % (argv, retval))

util.CommandError: Command ['/usr/bin/python3', 'waf', 'build'] exited with code 1