blob: 70dff5f7c5441120480941391c69771c44a16003 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
|
/*
* Copyright (c) 2017 Cisco and/or its affiliates.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "icnet_ccnx_network_message.h"
namespace icnet {
namespace ccnx {
TransportMessage::TransportMessage() : packet_length_(0) {
}
const uint8_t *TransportMessage::data() const {
return data_;
}
uint8_t *TransportMessage::data() {
return data_;
}
std::size_t TransportMessage::length() const {
return packet_length_;
}
const uint8_t *TransportMessage::body() const {
return data_ + header_length;
}
uint8_t *TransportMessage::body() {
return data_ + header_length;
}
std::size_t TransportMessage::bodyLength() const {
return packet_length_ - header_length;
}
void TransportMessage::bodyLength(std::size_t new_length) {
packet_length_ = new_length;
if (packet_length_ > max_packet_length) {
packet_length_ = max_packet_length;
}
}
bool TransportMessage::decodeHeader() {
// General checks
uint8_t message_version = data_[0];
if (message_version != 1) {
std::cerr << "Illegal packet version " << message_version << std::endl;
return false;
}
// Get packet length
packet_length_ = data_[2];
packet_length_ <<= 8;
packet_length_ |= data_[3];
return true;
}
CCNxMetaMessage *TransportMessage::decodeMessage() {
std::size_t total_length = packet_length_;
PARCBuffer *buffer = parcBuffer_CreateFromArray((void *) data_, total_length);
buffer = parcBuffer_Flip(buffer);
CCNxMetaMessage *ret = ccnxMetaMessage_CreateFromWireFormatBuffer(buffer);
parcBuffer_Release((PARCBuffer **) &buffer);
return ret;
}
} // end namespace ccnx
} // end namespace icnet
|
