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
89
90
91
92
93
94
95
96
97
98
99
|
/*
Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2011 Her Majesty
the Queen in Right of Canada (Communications Research Center Canada)
Copyright (C) 2016
Matthias P. Braendli, matthias.braendli@mpb.li
http://opendigitalradio.org
*/
/*
This file is part of ODR-DabMod.
ODR-DabMod is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as
published by the Free Software Foundation, either version 3 of the
License, or (at your option) any later version.
ODR-DabMod is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with ODR-DabMod. If not, see <http://www.gnu.org/licenses/>.
*/
#include "InputReader.h"
#include "PcDebug.h"
#include <stdexcept>
#include <memory>
#include <regex>
#include <sys/types.h>
#include <string.h>
using namespace std;
InputEdiReader::InputEdiReader() :
m_writer(),
m_decoder(m_writer),
m_sock()
{
}
int InputEdiReader::Open(const std::string& uri)
{
etiLog.level(info) << "Opening EDI :" << uri;
const std::regex re_udp("udp://:([0-9]+)");
std::smatch m;
if (std::regex_match(uri, m, re_udp)) {
m_port = std::stoi(m[1].str());
etiLog.level(info) << "EDI port :" << m_port;
return m_sock.reinit(m_port, "0.0.0.0");
}
return 1;
}
void InputEdiReader::rx_packet()
{
const size_t packsize = 8192;
UdpPacket packet(packsize);
int ret = m_sock.receive(packet);
if (ret == 0) {
const auto &buf = packet.getBuffer();
if (packet.getSize() == packsize) {
fprintf(stderr, "Warning, possible UDP truncation\n");
}
m_decoder.push_packet(buf);
}
else {
fprintf(stderr, "Socket error: %s\n", inetErrMsg);
}
}
int InputEdiReader::GetNextFrame(void* buffer)
{
vector<uint8_t> eti;
while (eti.empty()) {
rx_packet();
eti = m_writer.getEtiFrame();
}
assert(eti.size() == 6144);
copy(eti.begin(), eti.end(), reinterpret_cast<uint8_t*>(buffer));
return 6144;
}
void InputEdiReader::PrintInfo()
{
fprintf(stderr, "EDI Input: \n");
fprintf(stderr, " Port : %d\n", m_port);
}
|
