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#include <dashel/dashel.h>
#include <iostream>
#include <cassert>
using namespace std;
using namespace Dashel;
class ReconnectingHub: public Hub
{
public:
ReconnectingHub(const string& target):
connected(false),
target(target)
{
connectToTarget();
}
void stepAndReconnect()
{
// first step
step(1000);
// if disconnected...
if (!connected)
{
// ...attempt to reconnect
connectToTarget();
}
}
protected:
bool connected;
string target;
protected:
void connectToTarget()
{
try
{
connect(target);
}
catch (const DashelException& e)
{
cout << endl << "Failed connecting to " << target << " : " << e.what() << endl;
}
}
protected:
virtual void connectionCreated(Stream * stream)
{
connected = true;
cout << endl << "Connected to " << stream->getTargetName() << endl;
}
virtual void incomingData(Stream * stream)
{
char c = stream->read<char>();
cout << ".";
}
virtual void connectionClosed(Stream * stream, bool abnormal)
{
connected = false;
cout << endl << "Lost connection to " << stream->getTargetName();
if (abnormal)
cout << " : " << stream->getFailReason();
cout << endl;
}
};
int main(int argc, char* argv[])
{
try
{
if (argc > 1)
{
ReconnectingHub reconnectingHub(argv[1]);
while (true)
{
reconnectingHub.stepAndReconnect();
}
}
else
{
cerr << "Usage " << argv[0] << " target" << endl;
return 1;
}
}
catch(const DashelException &e)
{
cerr << e.what() << endl;
}
return 0;
}
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