libtins 4.5
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data_tracker.h
1/*
2 * Copyright (c) 2017, Matias Fontanini
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met:
8 *
9 * * Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * * Redistributions in binary form must reproduce the above
12 * copyright notice, this list of conditions and the following disclaimer
13 * in the documentation and/or other materials provided with the
14 * distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 */
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 <tins/config.h>
37#include <tins/macros.h>
38
39#ifdef TINS_HAVE_TCPIP
40
41namespace Tins {
42namespace TCPIP {
43
50class TINS_API DataTracker {
51public:
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;
147private:
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
The Tins namespace.
Definition address_range.h:38