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data_tracker.h
1 /*
2  * Copyright (c) 2017, Matias Fontanini
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4  *
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29 
30 #ifndef TINS_TCP_IP_DATA_TRACKER_H
31 #define TINS_TCP_IP_DATA_TRACKER_H
32 
33 #include <vector>
34 #include <map>
35 #include <stdint.h>
36 #include "../config.h"
37 #include "../macros.h"
38 
39 #ifdef TINS_HAVE_TCPIP
40 
41 namespace Tins {
42 namespace TCPIP {
43 
50 class TINS_API DataTracker {
51 public:
55  typedef std::vector<uint8_t> payload_type;
56 
60  typedef std::map<uint32_t, payload_type> buffered_payload_type;
61 
65  DataTracker();
66 
72  DataTracker(uint32_t seq_number);
73 
88  bool process_payload(uint32_t seq, payload_type payload);
89 
111  void advance_sequence(uint32_t seq);
112 
116  uint32_t sequence_number() const;
117 
121  void sequence_number(uint32_t seq);
122 
126  const payload_type& payload() const;
127 
131  payload_type& payload();
132 
136  const buffered_payload_type& buffered_payload() const;
137 
141  buffered_payload_type& buffered_payload();
142 
146  uint32_t total_buffered_bytes() const;
147 private:
148  void store_payload(uint32_t seq, payload_type payload);
149  buffered_payload_type::iterator erase_iterator(buffered_payload_type::iterator iter);
150 
151  payload_type payload_;
152  buffered_payload_type buffered_payload_;
153  uint32_t seq_number_;
154  uint32_t total_buffered_bytes_;
155 };
156 
157 } // TCPIP
158 } // Tins
159 
160 #endif // TINS_HAVE_TCPIP
161 
162 #endif // TINS_TCP_IP_DATA_TRACKER_H
std::vector< uint8_t > payload_type
Definition: data_tracker.h:55
std::map< uint32_t, payload_type > buffered_payload_type
Definition: data_tracker.h:60
Definition: data_tracker.h:50