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tcp_client_server.h
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1 
29 #include <itpp/protocol/tcp.h>
30 
31 
32 namespace itpp
33 {
34 
36 
37 
42 {
43 public:
46  write.set_name("TcpServerApplicationWriteSignal");
47  write.set_debug();
48  }
51 
54 
56  void write_to_net(unsigned byte_size, double delta_time) {
57  itpp::Packet *packet = new Packet(8*byte_size);
58  write(packet, delta_time);
59 
60  std::cout << "TcpServerApplication::write_to_net,"
61  << " byte_size=" << packet->bit_size() / 8
62  << " ptr=" << packet
63  << " time=" << Event_Queue::now() << std::endl;
64  }
65 };
66 
71 {
72 public:
74  TCP_Client_Application(TCP_Sender *tcp_snd_p, TCP_Receiver *tcp_recv_p) {
75  tcp_receiver_p = tcp_recv_p;
76  tcp_sender_p = tcp_snd_p;
77  nbr_bytes_received = 0;
78  select.forward(this, &TCP_Client_Application::received_packet_indication);
79  select.set_name("TcpClientApplicationSelectSlot");
80  seq_num_index = 0;
81  }
82 
85 
88 
90  void read_from_net(unsigned byte_size) {
91  nbr_bytes_to_receive = byte_size;
92  seq_num_val.set_size(10 + byte_size / 1460);
93  seq_num_val.zeros();
94  seq_num_time.set_size(10 + byte_size / 1460);
95  seq_num_time.zeros();
96  seq_num_val(0) = 0;
97  seq_num_time(0) = 0;
98  seq_num_index = 1;
99  };
100 
101 private:
102  TCP_Receiver *tcp_receiver_p;
103  TCP_Sender *tcp_sender_p;
104  unsigned nbr_bytes_received;
105  unsigned nbr_bytes_to_receive;
106 
107  vec seq_num_val;
108  vec seq_num_time;
109  int seq_num_index;
110 
111  void TCP_Client_Application::received_packet_indication(int label) {
112 
113  itpp::Packet &packet = tcp_receiver_p->get_user_message();
114  nbr_bytes_received = nbr_bytes_received + packet.bit_size() / 8;
115  delete &packet;
116 
117  if (seq_num_index >= seq_num_time.size()) {
118  seq_num_time.set_size(2*seq_num_time.size(), true);
119  seq_num_val.set_size(2*seq_num_val.size(), true);
120  }
121 
122  seq_num_val(seq_num_index) = nbr_bytes_received;
123  seq_num_time(seq_num_index) = Event_Queue::now();
124  seq_num_index++;
125 
126  std::cout << "### sequence number: " << nbr_bytes_received
127  << " ### time:" << Event_Queue::now() << std::endl;
128 
129  if (nbr_bytes_received >= nbr_bytes_to_receive) {
130  std::cout << "###### Stop sender and receiver" << std::endl;
131  tcp_receiver_p->release();
132  tcp_sender_p->release();
133  tcp_sender_p->save_trace("seq_num.it");
134  seq_num_val.set_size(seq_num_index, true);
135  seq_num_time.set_size(seq_num_index, true);
136  save_to_file("seq_num.it");
137  }
138  }
139 
140  void TCP_Client_Application::save_to_file(string file) {
141 
142  it_file ff2(file);
143  ff2 << Name("seq_num_val") << seq_num_val;
144  ff2 << Name("seq_num_time") << seq_num_time;
145  ff2 << Name("seq_num_index") << seq_num_index;
146  ff2.flush();
147  ff2.close();
148  }
149 
150 };
151 
153 
154 } // namespace itpp
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