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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 {
00035 
00037 
00038 
00042 class TCP_Server_Application
00043 {
00044 public:
00046   TCP_Server_Application() {
00047     write.set_name("TcpServerApplicationWriteSignal");
00048     write.set_debug();
00049   }
00051   ~TCP_Server_Application() { }
00052 
00054   Signal<itpp::Packet*> write;
00055 
00057   void write_to_net(unsigned byte_size, double delta_time) {
00058     itpp::Packet *packet = new Packet(8*byte_size);
00059     write(packet, delta_time);
00060 
00061     std::cout << "TcpServerApplication::write_to_net,"
00062               << " byte_size=" << packet->bit_size() / 8
00063               << " ptr=" << packet
00064               << " time=" << Event_Queue::now() << std::endl;
00065   }
00066 };
00067 
00071 class TCP_Client_Application
00072 {
00073 public:
00075   TCP_Client_Application(TCP_Sender *tcp_snd_p, TCP_Receiver *tcp_recv_p) {
00076     tcp_receiver_p = tcp_recv_p;
00077     tcp_sender_p = tcp_snd_p;
00078     nbr_bytes_received = 0;
00079     select.forward(this, &TCP_Client_Application::received_packet_indication);
00080     select.set_name("TcpClientApplicationSelectSlot");
00081     seq_num_index = 0;
00082   }
00083 
00085   ~TCP_Client_Application() { }
00086 
00088   Slot<TCP_Client_Application, int> select;
00089 
00091   void read_from_net(unsigned byte_size) {
00092     nbr_bytes_to_receive = byte_size;
00093     seq_num_val.set_size(10 + byte_size / 1460);
00094     seq_num_val.zeros();
00095     seq_num_time.set_size(10 + byte_size / 1460);
00096     seq_num_time.zeros();
00097     seq_num_val(0) = 0;
00098     seq_num_time(0) = 0;
00099     seq_num_index = 1;
00100   };
00101 
00102 private:
00103   TCP_Receiver *tcp_receiver_p;
00104   TCP_Sender *tcp_sender_p;
00105   unsigned nbr_bytes_received;
00106   unsigned nbr_bytes_to_receive;
00107 
00108   vec seq_num_val;
00109   vec seq_num_time;
00110   int seq_num_index;
00111 
00112   void TCP_Client_Application::received_packet_indication(int label) {
00113 
00114     itpp::Packet &packet = tcp_receiver_p->get_user_message();
00115     nbr_bytes_received = nbr_bytes_received + packet.bit_size() / 8;
00116     delete &packet;
00117 
00118     if (seq_num_index >= seq_num_time.size()) {
00119       seq_num_time.set_size(2*seq_num_time.size(), true);
00120       seq_num_val.set_size(2*seq_num_val.size(), true);
00121     }
00122 
00123     seq_num_val(seq_num_index) = nbr_bytes_received;
00124     seq_num_time(seq_num_index) = Event_Queue::now();
00125     seq_num_index++;
00126 
00127     std::cout << "### sequence number: " << nbr_bytes_received
00128               << " ### time:" << Event_Queue::now() << std::endl;
00129 
00130     if (nbr_bytes_received >= nbr_bytes_to_receive) {
00131       std::cout << "###### Stop sender and receiver" << std::endl;
00132       tcp_receiver_p->release();
00133       tcp_sender_p->release();
00134       tcp_sender_p->save_trace("seq_num.it");
00135       seq_num_val.set_size(seq_num_index, true);
00136       seq_num_time.set_size(seq_num_index, true);
00137       save_to_file("seq_num.it");
00138     }
00139   }
00140 
00141   void TCP_Client_Application::save_to_file(string file) {
00142 
00143     it_file ff2(file);
00144     ff2 << Name("seq_num_val") << seq_num_val;
00145     ff2 << Name("seq_num_time") << seq_num_time;
00146     ff2 << Name("seq_num_index") << seq_num_index;
00147     ff2.flush();
00148     ff2.close();
00149   }
00150 
00151 };
00152 
00154 
00155 } // namespace itpp
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