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tcp_client_server.h

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00001 
00030 #include <itpp/protocol/tcp.h>
00031 
00032 
00033 namespace itpp {
00034 
00036 
00037 
00041   class TCP_Server_Application {
00042   public:
00044     TCP_Server_Application() {
00045       write.set_name("TcpServerApplicationWriteSignal");
00046       write.set_debug();
00047     }
00049     ~TCP_Server_Application() { }
00050 
00052     Signal<itpp::Packet*> write;
00053 
00055     void write_to_net(unsigned byte_size, double delta_time) {
00056       itpp::Packet *packet = new Packet(8*byte_size);
00057       write(packet, delta_time);
00058 
00059       std::cout << "TcpServerApplication::write_to_net,"
00060                 << " byte_size=" << packet->bit_size()/8
00061                 << " ptr=" << packet
00062                 << " time=" << Event_Queue::now() << std::endl;
00063     }
00064   };
00065 
00069   class TCP_Client_Application {
00070   public:
00072     TCP_Client_Application(TCP_Sender *tcp_snd_p, TCP_Receiver *tcp_recv_p) {
00073       tcp_receiver_p = tcp_recv_p;
00074       tcp_sender_p = tcp_snd_p;
00075       nbr_bytes_received = 0;
00076       select.forward(this, &TCP_Client_Application::received_packet_indication);
00077       select.set_name("TcpClientApplicationSelectSlot");
00078       seq_num_index = 0;
00079     }
00080 
00082     ~TCP_Client_Application() { }
00083 
00085     Slot<TCP_Client_Application, int> select;
00086 
00088     void read_from_net(unsigned byte_size) {
00089       nbr_bytes_to_receive = byte_size;
00090       seq_num_val.set_size(10+byte_size/1460);
00091       seq_num_val.zeros();
00092       seq_num_time.set_size(10+byte_size/1460);
00093       seq_num_time.zeros();
00094       seq_num_val(0) = 0;
00095       seq_num_time(0) = 0;
00096       seq_num_index=1;
00097     };
00098 
00099   private:
00100     TCP_Receiver *tcp_receiver_p;
00101     TCP_Sender *tcp_sender_p;
00102     unsigned nbr_bytes_received;
00103     unsigned nbr_bytes_to_receive;
00104 
00105     vec seq_num_val;
00106     vec seq_num_time;
00107     int seq_num_index;
00108 
00109     void TCP_Client_Application::received_packet_indication(int label) {
00110 
00111       itpp::Packet &packet = tcp_receiver_p->get_user_message();
00112       nbr_bytes_received = nbr_bytes_received + packet.bit_size()/8;
00113       delete &packet;
00114 
00115       if (seq_num_index >= seq_num_time.size()) {
00116         seq_num_time.set_size(2*seq_num_time.size(),true);
00117         seq_num_val.set_size(2*seq_num_val.size(),true);
00118       }
00119 
00120       seq_num_val(seq_num_index) = nbr_bytes_received;
00121       seq_num_time(seq_num_index) = Event_Queue::now();
00122       seq_num_index++;
00123 
00124       std::cout << "### sequence number: " << nbr_bytes_received
00125                 << " ### time:" << Event_Queue::now() << std::endl;
00126 
00127       if (nbr_bytes_received >= nbr_bytes_to_receive) {
00128         std::cout << "###### Stop sender and receiver" << std::endl;
00129         tcp_receiver_p->release();
00130         tcp_sender_p->release();
00131         tcp_sender_p->save_trace("seq_num.it");
00132         seq_num_val.set_size(seq_num_index, true);
00133         seq_num_time.set_size(seq_num_index,true);
00134         save_to_file("seq_num.it");
00135       }
00136     }
00137 
00138     void TCP_Client_Application::save_to_file(string file) {
00139 
00140       it_file ff2(file);
00141       ff2 << Name("seq_num_val") << seq_num_val;
00142       ff2 << Name("seq_num_time") << seq_num_time;
00143       ff2 << Name("seq_num_index") << seq_num_index;
00144       ff2.flush();
00145       ff2.close();
00146     }
00147 
00148   };
00149 
00151 
00152 } // namespace itpp
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