namespace libt2n
{
-command_client::command_client(client_connection& _c, long long _command_timeout_usec, long long _hello_timeout_usec)
+command_client::command_client(client_connection* _c, long long _command_timeout_usec, long long _hello_timeout_usec)
: c(_c)
{
command_timeout_usec=_command_timeout_usec;
hello_timeout_usec=_hello_timeout_usec;
// for reconnects
- c.add_callback(new_connection,bind(&command_client::read_hello, boost::ref(*this)));
+ c->add_callback(new_connection,bind(&command_client::read_hello, boost::ref(*this)));
+
+ // don't expect hello from an always closed connection (like dummy_client_connection)
+ if (!c->is_closed())
+ read_hello();
+}
+
+/** @brief replace the connection currently in use with a new one
+
+ @param _c pointer to the new connection
+
+ @note the old connection must still be valid when this method is called,
+ it can safely be deleted after this method returned
+
+ @note all callbacks registered on the old connection will be copied over
+ to the new one
+*/
+void command_client::replace_connection(client_connection* _c)
+{
+ // copy all callbacks registered on the old connection
+ for(callback_event_type e=static_cast<callback_event_type>(0);
+ e < __events_end;
+ e=static_cast<callback_event_type>(static_cast<int>(e)+1))
+ {
+ list<boost::function<void ()> > evcb=c->get_callback_list(e);
+
+ for (list<boost::function<void ()> >::iterator i=evcb.begin(); i != evcb.end(); i++)
+ _c->add_callback(e,*i);
+ }
+
+ // replace the connection
+ c=_c;
read_hello();
}
string resultpacket;
bool got_packet=false;
long long my_timeout=usec_timeout;
- while(!(got_packet=c.get_packet(resultpacket)) && my_timeout > 0 && !c.is_closed())
- c.fill_buffer(my_timeout,&my_timeout);
+ while(!(got_packet=c->get_packet(resultpacket)) && my_timeout > 0 && !c->is_closed())
+ c->fill_buffer(my_timeout,&my_timeout);
if (!got_packet)
throw t2n_transfer_error("timeout exceeded");
string resultpacket;
bool got_packet=false;
long long my_timeout=hello_timeout_usec;
- while(!(got_packet=c.get_packet(resultpacket)) && my_timeout > 0 && !c.is_closed())
+ while(!(got_packet=c->get_packet(resultpacket)) && my_timeout > 0 && !c->is_closed())
{
- c.fill_buffer(my_timeout,&my_timeout);
+ c->fill_buffer(my_timeout,&my_timeout);
- c.peek_packet(resultpacket);
+ c->peek_packet(resultpacket);
check_hello(resultpacket); // will throw before timeout if wrong data received
}
{ throw; }
std::ostream* ostr;
- if ((ostr=c.get_logstream(fulldebug))!=NULL)
+ if ((ostr=c->get_logstream(fulldebug))!=NULL)
{
(*ostr) << "sending command, decoded data: " << std::endl;
boost::archive::xml_oarchive xo(*ostr);
xo << BOOST_SERIALIZATION_NVP(cc);
}
- c.write(ofs.str());
+ c->write(ofs.str());
istringstream ifs(read_packet(command_timeout_usec));
boost::archive::binary_iarchive ia(ifs);
catch(...)
{ throw; }
- if ((ostr=c.get_logstream(fulldebug))!=NULL)
+ if ((ostr=c->get_logstream(fulldebug))!=NULL)
{
(*ostr) << "received result, decoded data: " << std::endl;
boost::archive::xml_oarchive xo(*ostr);