thrift programming problem - sockets

Question

hi
i just start programming with thrift api . i run a sample code but i dont know how to run thrift program. i just did following :
code;
{#!/usr/local/bin/thrift --gen cpp
namespace cpp Test
service Something {
i32 ping()
}
than run command
thrift --gen cpp your_thrift_file.thrift
it generate seven file in a folder name gen-cpp which are following:
Something.cpp
Something.h
Something_server.skeleton.cpp
your_thrift_file_constants.cpp
your_thrift_file_constants.h
your_thrift_file_types.cpp
your_thrift_file_types.h
now i compile them all together to get executable by following command
g++ -Wall -I/usr/local/include/thrift -c Something.cpp -o something.o
g++ -Wall -I/usr/local/include/thrift -c Something_server.cpp -o server.o
g++ -Wall -I/usr/local/include/thrift -c your_thrift_file_constants.cpp -o constants.o
g++ -Wall -I/usr/local/include/thrift -c your_thrift_file_types.cpp -o types.o
than i write a client code which is following
{ #include "Something.h" // As an example
#include <transport/TSocket.h>
#include <transport/TBufferTransports.h>
#include <protocol/TBinaryProtocol.h>
using namespace apache::thrift;
using namespace apache::thrift::protocol;
using namespace apache::thrift::transport;
using namespace Test;
int main(int argc, char **argv) {
boost::shared_ptr<TSocket> socket(new TSocket("localhost", 9090));
boost::shared_ptr<TTransport> transport(new TBufferedTransport(socket));
boost::shared_ptr<TProtocol> protocol(new TBinaryProtocol(transport));
SomethingClient client(protocol);
transport->open();
client.ping();
transport->close();
return 0;
}
now than i compile it with command
g++ -Wall -I/usr/local/include/thrift -c something_client.cpp -o client.o
and than make the executable by following command
g++ -L/usr/local/lib -lthrift client.o Something.o constants.o types.o -o Something_client
But when i run it it shows following error
command: ./Somthing_client
result:Thrift: Fri May 20 10:49:17 2011 TSocket::open() connect() Connection refused
terminate called after throwing an instance of 'apache::thrift::transport::TTransportException'
what(): connect() failed: Connection refused
Aborted
now i don't understand what I'm doing wrong?
can anybody explain me thrift working ?
how to run this code properly ?
what is this code doing ?

Answer 1

Is your Thrift server running too? The client needs something to connect to. The error looks like there's no open socket on port 9090 (set in your code).