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tcp_client_server.h
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00001 
00029 #include <itpp/protocol/tcp.h>
00030 
00031 
00032 namespace itpp
00033 {
00034 
00036 
00037 
00041 class TCP_Server_Application
00042 {
00043 public:
00045   TCP_Server_Application() {
00046     write.set_name("TcpServerApplicationWriteSignal");
00047     write.set_debug();
00048   }
00050   ~TCP_Server_Application() { }
00051 
00053   Signal<itpp::Packet*> write;
00054 
00056   void write_to_net(unsigned byte_size, double delta_time) {
00057     itpp::Packet *packet = new Packet(8*byte_size);
00058     write(packet, delta_time);
00059 
00060     std::cout << "TcpServerApplication::write_to_net,"
00061               << " byte_size=" << packet->bit_size() / 8
00062               << " ptr=" << packet
00063               << " time=" << Event_Queue::now() << std::endl;
00064   }
00065 };
00066 
00070 class TCP_Client_Application
00071 {
00072 public:
00074   TCP_Client_Application(TCP_Sender *tcp_snd_p, TCP_Receiver *tcp_recv_p) {
00075     tcp_receiver_p = tcp_recv_p;
00076     tcp_sender_p = tcp_snd_p;
00077     nbr_bytes_received = 0;
00078     select.forward(this, &TCP_Client_Application::received_packet_indication);
00079     select.set_name("TcpClientApplicationSelectSlot");
00080     seq_num_index = 0;
00081   }
00082 
00084   ~TCP_Client_Application() { }
00085 
00087   Slot<TCP_Client_Application, int> select;
00088 
00090   void read_from_net(unsigned byte_size) {
00091     nbr_bytes_to_receive = byte_size;
00092     seq_num_val.set_size(10 + byte_size / 1460);
00093     seq_num_val.zeros();
00094     seq_num_time.set_size(10 + byte_size / 1460);
00095     seq_num_time.zeros();
00096     seq_num_val(0) = 0;
00097     seq_num_time(0) = 0;
00098     seq_num_index = 1;
00099   };
00100 
00101 private:
00102   TCP_Receiver *tcp_receiver_p;
00103   TCP_Sender *tcp_sender_p;
00104   unsigned nbr_bytes_received;
00105   unsigned nbr_bytes_to_receive;
00106 
00107   vec seq_num_val;
00108   vec seq_num_time;
00109   int seq_num_index;
00110 
00111   void TCP_Client_Application::received_packet_indication(int label) {
00112 
00113     itpp::Packet &packet = tcp_receiver_p->get_user_message();
00114     nbr_bytes_received = nbr_bytes_received + packet.bit_size() / 8;
00115     delete &packet;
00116 
00117     if (seq_num_index >= seq_num_time.size()) {
00118       seq_num_time.set_size(2*seq_num_time.size(), true);
00119       seq_num_val.set_size(2*seq_num_val.size(), true);
00120     }
00121 
00122     seq_num_val(seq_num_index) = nbr_bytes_received;
00123     seq_num_time(seq_num_index) = Event_Queue::now();
00124     seq_num_index++;
00125 
00126     std::cout << "### sequence number: " << nbr_bytes_received
00127               << " ### time:" << Event_Queue::now() << std::endl;
00128 
00129     if (nbr_bytes_received >= nbr_bytes_to_receive) {
00130       std::cout << "###### Stop sender and receiver" << std::endl;
00131       tcp_receiver_p->release();
00132       tcp_sender_p->release();
00133       tcp_sender_p->save_trace("seq_num.it");
00134       seq_num_val.set_size(seq_num_index, true);
00135       seq_num_time.set_size(seq_num_index, true);
00136       save_to_file("seq_num.it");
00137     }
00138   }
00139 
00140   void TCP_Client_Application::save_to_file(string file) {
00141 
00142     it_file ff2(file);
00143     ff2 << Name("seq_num_val") << seq_num_val;
00144     ff2 << Name("seq_num_time") << seq_num_time;
00145     ff2 << Name("seq_num_index") << seq_num_index;
00146     ff2.flush();
00147     ff2.close();
00148   }
00149 
00150 };
00151 
00153 
00154 } // namespace itpp
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