Changes between Version 3 and Version 4 of Documentation/Tutorial/PingPong

Timestamp:

Jan 20, 2009, 4:43:06 PM (15 years ago)

Author:

huebsch

Comment:

--

Documentation/Tutorial/PingPong

@@ -11 +11 @@
 As already mentioned, the example service simply exchanges packets between two participating network nodes. This is accomplished by using the ''Ariba'' abstraction to create a communication context and hide underlay details. The participants form a ''SpoVNet'' instance in which the first one (as the initiator) creates the instance, while the second joins. As soon as the second has successfully joined the instance, it starts sending packets to the initiator periodically. When such a packet reaches the latter, he responds by also sending a packet back. This procedure repeats, until a button is pressed. 
 
+'''How it does it'''
+Let's take a look at the code now. Writing a service is pretty simple when using ''Ariba'' because most difficulties and annoyances that could come up when struggling with writing network code are taken from the developer. We start with the ''main.cpp''.
+
+
+{{{
+01 #include <string>
+02 #include "ariba/utility/startup/StartupWrapper.h"
+03 #include "PingPong.h"
+04
+05 using std::string;
+06 using ariba::utility::StartupWrapper;
+07 using ariba::application::pingpong::PingPong;
+08
+09 int main( int argc, char** argv ) {
+10
+11      string config = "../etc/settings.cnf";
+12      if (argc >= 2) config = argv[1];
+13
+14      StartupWrapper::initConfig( config );
+15      StartupWrapper::initSystem();
+16      
+17      // this will do the main functionality and block
+18      PingPong ping;
+19      ping.setMode( !Configuration::instance().read<bool>("GENERAL_Initiator") );
+20      StartupWrapper::startup(&ping, true);
+21
+22      // this will run blocking until <enter> is hit
+23
+24      StartupWrapper::shutdown();
+25      return 0;
+26 }
+}}}
+The ''main.cpp'' serves us as an entry point to the application.
+
+
+