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authorMatthias P. Braendli <matthias.braendli@mpb.li>2021-05-19 14:49:15 +0200
committerMatthias P. Braendli <matthias.braendli@mpb.li>2021-05-19 14:49:15 +0200
commitcf2e57e3aa7206af6942e868a965fb52826a321e (patch)
tree76c8edf181fb1d7cbf77def45ffcbf7b63a053bc
parente49dd56c3db50ee385438cbb7e44c464b5c00fcb (diff)
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Common 44ae39c: Make SEQ and PSEQ available on EDI receive and improve error handling
-rw-r--r--lib/edi/ETIDecoder.cpp4
-rw-r--r--lib/edi/PFT.cpp63
-rw-r--r--lib/edi/PFT.hpp19
-rw-r--r--lib/edi/common.cpp26
-rw-r--r--lib/edi/common.hpp14
-rw-r--r--lib/edioutput/AFPacket.cpp18
-rw-r--r--lib/edioutput/AFPacket.h9
-rw-r--r--lib/edioutput/EDIConfig.h1
-rw-r--r--lib/edioutput/PFT.cpp8
-rw-r--r--lib/edioutput/PFT.h5
-rw-r--r--lib/edioutput/TagItems.cpp1
-rw-r--r--lib/edioutput/TagItems.h1
-rw-r--r--lib/edioutput/TagPacket.cpp1
-rw-r--r--lib/edioutput/TagPacket.h1
-rw-r--r--lib/edioutput/Transport.cpp15
-rw-r--r--lib/edioutput/Transport.h15
16 files changed, 138 insertions, 63 deletions
diff --git a/lib/edi/ETIDecoder.cpp b/lib/edi/ETIDecoder.cpp
index 656f50b..a377692 100644
--- a/lib/edi/ETIDecoder.cpp
+++ b/lib/edi/ETIDecoder.cpp
@@ -69,7 +69,7 @@ void ETIDecoder::setMaxDelay(int num_af_packets)
#define AFPACKET_HEADER_LEN 10 // includes SYNC
-bool ETIDecoder::decode_starptr(const std::vector<uint8_t>& value, const tag_name_t& n)
+bool ETIDecoder::decode_starptr(const std::vector<uint8_t>& value, const tag_name_t& /*n*/)
{
if (value.size() != 0x40 / 8) {
etiLog.log(warn, "Incorrect length %02lx for *PTR", value.size());
@@ -89,7 +89,7 @@ bool ETIDecoder::decode_starptr(const std::vector<uint8_t>& value, const tag_nam
return true;
}
-bool ETIDecoder::decode_deti(const std::vector<uint8_t>& value, const tag_name_t& n)
+bool ETIDecoder::decode_deti(const std::vector<uint8_t>& value, const tag_name_t& /*n*/)
{
/*
uint16_t detiHeader = fct | (fcth << 8) | (rfudf << 13) | (ficf << 14) | (atstf << 15);
diff --git a/lib/edi/PFT.cpp b/lib/edi/PFT.cpp
index 85d6b63..25f2d1f 100644
--- a/lib/edi/PFT.cpp
+++ b/lib/edi/PFT.cpp
@@ -1,6 +1,6 @@
/* ------------------------------------------------------------------
* Copyright (C) 2017 AVT GmbH - Fabien Vercasson
- * Copyright (C) 2017 Matthias P. Braendli
+ * Copyright (C) 2021 Matthias P. Braendli
* matthias.braendli@mpb.li
*
* http://opendigitalradio.org
@@ -126,7 +126,7 @@ size_t Fragment::loadData(const std::vector<uint8_t> &buf, int received_on_port)
// Parse PFT Fragment Header (ETSI TS 102 821 V1.4.1 ch7.1)
if (not (buf[0] == 'P' and buf[1] == 'F') ) {
- throw invalid_argument("Invalid PFT SYNC bytes");
+ throw runtime_error("Invalid PFT SYNC bytes");
}
index += 2; // Psync
@@ -208,15 +208,30 @@ AFBuilder::AFBuilder(pseq_t Pseq, findex_t Fcount, size_t lifetime)
void AFBuilder::pushPFTFrag(const Fragment &frag)
{
- if (_Pseq != frag.Pseq() or _Fcount != frag.Fcount()) {
- throw invalid_argument("Invalid PFT fragment Pseq or Fcount");
+ if (_Pseq != frag.Pseq()) {
+ throw logic_error("Invalid PFT fragment Pseq");
}
- const auto Findex = frag.Findex();
- const bool fragment_already_received = _fragments.count(Findex);
- if (not fragment_already_received)
- {
- _fragments[Findex] = frag;
+ if (_Fcount != frag.Fcount()) {
+ etiLog.level(warn) << "Discarding fragment with invalid fcount";
+ }
+ else {
+ const auto Findex = frag.Findex();
+ const bool fragment_already_received = _fragments.count(Findex);
+
+ if (not fragment_already_received) {
+ bool consistent = true;
+ if (_fragments.size() > 0) {
+ consistent = frag.checkConsistency(_fragments.cbegin()->second);
+ }
+
+ if (consistent) {
+ _fragments[Findex] = frag;
+ }
+ else {
+ etiLog.level(warn) << "Discard fragment";
+ }
+ }
}
}
@@ -246,7 +261,7 @@ bool Fragment::checkConsistency(const Fragment& other) const
}
-AFBuilder::decode_attempt_result_t AFBuilder::canAttemptToDecode() const
+AFBuilder::decode_attempt_result_t AFBuilder::canAttemptToDecode()
{
if (_fragments.empty()) {
return AFBuilder::decode_attempt_result_t::no;
@@ -263,7 +278,8 @@ AFBuilder::decode_attempt_result_t AFBuilder::canAttemptToDecode() const
const Fragment& frag = pair.second;
return first.checkConsistency(frag) and _Pseq == frag.Pseq();
}) ) {
- throw invalid_argument("Inconsistent PFT fragments");
+ _fragments.clear();
+ throw runtime_error("Inconsistent PFT fragments");
}
// Calculate the minimum number of fragments necessary to apply FEC.
@@ -301,7 +317,7 @@ AFBuilder::decode_attempt_result_t AFBuilder::canAttemptToDecode() const
return AFBuilder::decode_attempt_result_t::no;
}
-std::vector<uint8_t> AFBuilder::extractAF() const
+std::vector<uint8_t> AFBuilder::extractAF()
{
if (not _af_packet.empty()) {
return _af_packet;
@@ -310,13 +326,12 @@ std::vector<uint8_t> AFBuilder::extractAF() const
bool ok = false;
if (canAttemptToDecode() != AFBuilder::decode_attempt_result_t::no) {
-
auto frag_it = _fragments.begin();
if (frag_it->second.Fcount() == _Fcount - 1) {
frag_it++;
if (frag_it == _fragments.end()) {
- throw std::runtime_error("Invalid attempt at extracting AF");
+ throw runtime_error("Invalid attempt at extracting AF");
}
}
@@ -343,12 +358,14 @@ std::vector<uint8_t> AFBuilder::extractAF() const
const auto& fragment = _fragments.at(j).payload();
if (j != _Fcount - 1 and fragment.size() != Plen) {
+ _fragments.clear();
throw runtime_error("Incorrect fragment length " +
to_string(fragment.size()) + " " +
to_string(Plen));
}
if (j == _Fcount - 1 and fragment.size() > Plen) {
+ _fragments.clear();
throw runtime_error("Incorrect last fragment length " +
to_string(fragment.size()) + " " +
to_string(Plen));
@@ -453,7 +470,7 @@ std::vector<uint8_t> AFBuilder::extractAF() const
return _af_packet;
}
-std::string AFBuilder::visualise() const
+std::string AFBuilder::visualise()
{
stringstream ss;
ss << "|";
@@ -525,7 +542,7 @@ void PFT::pushPFTFrag(const Fragment &fragment)
if (m_verbose) {
etiLog.log(debug, "Got frag %u:%u, afbuilders: ",
fragment.Pseq(), fragment.Findex());
- for (const auto &k : m_afbuilders) {
+ for (auto &k : m_afbuilders) {
const bool isNextPseq = (m_next_pseq == k.first);
etiLog.level(debug) << (isNextPseq ? "->" : " ") <<
k.first << " " << k.second.visualise();
@@ -534,15 +551,17 @@ void PFT::pushPFTFrag(const Fragment &fragment)
}
-std::vector<uint8_t> PFT::getNextAFPacket()
+afpacket_pft_t PFT::getNextAFPacket()
{
+ afpacket_pft_t af;
+
if (m_afbuilders.count(m_next_pseq) == 0) {
if (m_afbuilders.size() > m_max_delay) {
m_afbuilders.clear();
etiLog.level(debug) << " Reinit";
}
- return {};
+ return af;
}
auto &builder = m_afbuilders.at(m_next_pseq);
@@ -555,8 +574,9 @@ std::vector<uint8_t> PFT::getNextAFPacket()
if (m_verbose) {
etiLog.level(debug) << "Fragment origin stats: " << builder.visualise_fragment_origins();
}
+ af.pseq = m_next_pseq;
+ af.af_packet = afpacket;
incrementNextPseq();
- return afpacket;
}
else if (builder.canAttemptToDecode() == dar_t::maybe) {
if (builder.lifeTime > 0) {
@@ -573,8 +593,9 @@ std::vector<uint8_t> PFT::getNextAFPacket()
if (m_verbose) {
etiLog.level(debug) << "Fragment origin stats: " << builder.visualise_fragment_origins();
}
+ af.pseq = m_next_pseq;
+ af.af_packet = afpacket;
incrementNextPseq();
- return afpacket;
}
}
else {
@@ -588,7 +609,7 @@ std::vector<uint8_t> PFT::getNextAFPacket()
}
}
- return {};
+ return af;
}
void PFT::setMaxDelay(size_t num_af_packets)
diff --git a/lib/edi/PFT.hpp b/lib/edi/PFT.hpp
index 08dca45..aa5b9d3 100644
--- a/lib/edi/PFT.hpp
+++ b/lib/edi/PFT.hpp
@@ -1,6 +1,6 @@
/* ------------------------------------------------------------------
* Copyright (C) 2017 AVT GmbH - Fabien Vercasson
- * Copyright (C) 2017 Matthias P. Braendli
+ * Copyright (C) 2021 Matthias P. Braendli
* matthias.braendli@mpb.li
*
* http://opendigitalradio.org
@@ -101,20 +101,20 @@ class AFBuilder
void pushPFTFrag(const Fragment &frag);
/* Assess if it may be possible to decode this AF packet */
- decode_attempt_result_t canAttemptToDecode() const;
+ decode_attempt_result_t canAttemptToDecode();
/* Try to build the AF with received fragments.
* Apply error correction if necessary (missing packets/CRC errors)
* \return an empty vector if building the AF is not possible
*/
- std::vector<uint8_t> extractAF(void) const;
+ std::vector<uint8_t> extractAF();
std::pair<findex_t, findex_t>
numberOfFragments(void) const {
return {_fragments.size(), _Fcount};
}
- std::string visualise() const;
+ std::string visualise();
std::string visualise_fragment_origins() const;
@@ -135,6 +135,13 @@ class AFBuilder
findex_t _Fcount;
};
+struct afpacket_pft_t
+{
+ // validity of the struct is given by af_packet begin empty or not.
+ std::vector<uint8_t> af_packet;
+ pseq_t pseq = 0;
+};
+
class PFT
{
public:
@@ -145,7 +152,7 @@ class PFT
*
* \return an empty vector if building the AF is not possible
*/
- std::vector<uint8_t> getNextAFPacket(void);
+ afpacket_pft_t getNextAFPacket();
/* Set the maximum delay in number of AF Packets before we
* abandon decoding a given pseq.
@@ -156,7 +163,7 @@ class PFT
void setVerbose(bool enable);
private:
- void incrementNextPseq(void);
+ void incrementNextPseq();
pseq_t m_next_pseq;
size_t m_max_delay = 10; // in AF packets
diff --git a/lib/edi/common.cpp b/lib/edi/common.cpp
index 7907656..2f20391 100644
--- a/lib/edi/common.cpp
+++ b/lib/edi/common.cpp
@@ -132,7 +132,7 @@ std::string tag_name_to_human_readable(const tag_name_t& name)
TagDispatcher::TagDispatcher(
std::function<void()>&& af_packet_completed) :
m_af_packet_completed(move(af_packet_completed)),
- m_tagpacket_handler([](const std::vector<uint8_t>& ignore){})
+ m_tagpacket_handler([](const std::vector<uint8_t>& /*ignore*/){})
{
}
@@ -145,7 +145,7 @@ void TagDispatcher::push_bytes(const vector<uint8_t> &buf)
{
if (buf.empty()) {
m_input_data.clear();
- m_last_seq_valid = false;
+ m_last_sequences.seq_valid = false;
return;
}
@@ -168,6 +168,7 @@ void TagDispatcher::push_bytes(const vector<uint8_t> &buf)
m_input_data = remaining_data;
}
+ m_last_sequences.pseq_valid = false;
if (st.complete) {
m_af_packet_completed();
}
@@ -192,8 +193,10 @@ void TagDispatcher::push_bytes(const vector<uint8_t> &buf)
}
auto af = m_pft.getNextAFPacket();
- if (not af.empty()) {
- decode_state_t st = decode_afpacket(af);
+ if (not af.af_packet.empty()) {
+ const decode_state_t st = decode_afpacket(af.af_packet);
+ m_last_sequences.pseq = af.pseq;
+ m_last_sequences.pseq_valid = true;
if (st.complete) {
m_af_packet_completed();
@@ -217,6 +220,7 @@ void TagDispatcher::push_packet(const Packet &packet)
if (buf[0] == 'A' and buf[1] == 'F') {
const decode_state_t st = decode_afpacket(buf);
+ m_last_sequences.pseq_valid = false;
if (st.complete) {
m_af_packet_completed();
@@ -232,8 +236,10 @@ void TagDispatcher::push_packet(const Packet &packet)
}
auto af = m_pft.getNextAFPacket();
- if (not af.empty()) {
- const decode_state_t st = decode_afpacket(af);
+ if (not af.af_packet.empty()) {
+ const decode_state_t st = decode_afpacket(af.af_packet);
+ m_last_sequences.pseq = af.pseq;
+ m_last_sequences.pseq_valid = true;
if (st.complete) {
m_af_packet_completed();
@@ -272,8 +278,8 @@ decode_state_t TagDispatcher::decode_afpacket(
}
// SEQ wraps at 0xFFFF, unsigned integer overflow is intentional
- if (m_last_seq_valid) {
- const uint16_t expected_seq = m_last_seq + 1;
+ if (m_last_sequences.seq_valid) {
+ const uint16_t expected_seq = m_last_sequences.seq + 1;
if (expected_seq != seq) {
etiLog.level(warn) << "EDI AF Packet sequence error, " << seq;
m_ignored_tags.clear();
@@ -281,9 +287,9 @@ decode_state_t TagDispatcher::decode_afpacket(
}
else {
etiLog.level(info) << "EDI AF Packet initial sequence number: " << seq;
- m_last_seq_valid = true;
+ m_last_sequences.seq_valid = true;
}
- m_last_seq = seq;
+ m_last_sequences.seq = seq;
bool has_crc = (input_data[8] & 0x80) ? true : false;
uint8_t major_revision = (input_data[8] & 0x70) >> 4;
diff --git a/lib/edi/common.hpp b/lib/edi/common.hpp
index 14b91ba..e8c57c1 100644
--- a/lib/edi/common.hpp
+++ b/lib/edi/common.hpp
@@ -68,6 +68,13 @@ struct Packet {
Packet() {}
};
+struct seq_info_t {
+ bool seq_valid = false;
+ uint16_t seq = 0;
+ bool pseq_valid = false;
+ uint16_t pseq = 0;
+};
+
/* The TagDispatcher takes care of decoding EDI, with or without PFT, and
* will call functions when TAGs are encountered.
*
@@ -110,13 +117,16 @@ class TagDispatcher {
using tagpacket_handler = std::function<void(const std::vector<uint8_t>&)>;
void register_tagpacket_handler(tagpacket_handler&& h);
+ seq_info_t get_seq_info() const {
+ return m_last_sequences;
+ }
+
private:
decode_state_t decode_afpacket(const std::vector<uint8_t> &input_data);
bool decode_tagpacket(const std::vector<uint8_t> &payload);
PFT::PFT m_pft;
- bool m_last_seq_valid = false;
- uint16_t m_last_seq = 0;
+ seq_info_t m_last_sequences;
std::vector<uint8_t> m_input_data;
std::map<std::string, tag_handler> m_handlers;
std::function<void()> m_af_packet_completed;
diff --git a/lib/edioutput/AFPacket.cpp b/lib/edioutput/AFPacket.cpp
index b38c38b..323a3b1 100644
--- a/lib/edioutput/AFPacket.cpp
+++ b/lib/edioutput/AFPacket.cpp
@@ -1,5 +1,5 @@
/*
- Copyright (C) 2014
+ Copyright (C) 2021
Matthias P. Braendli, matthias.braendli@mpb.li
http://www.opendigitalradio.org
@@ -25,7 +25,6 @@
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
-#include "config.h"
#include "crc.h"
#include "AFPacket.h"
#include "TagItems.h"
@@ -50,7 +49,7 @@ AFPacket AFPacketiser::Assemble(TagPacket tag_packet)
std::vector<uint8_t> payload = tag_packet.Assemble();
if (m_verbose)
- std::cerr << "Assemble AFPacket " << seq << std::endl;
+ std::cerr << "Assemble AFPacket " << m_seq << std::endl;
std::string pack_data("AF"); // SYNC
std::vector<uint8_t> packet(pack_data.begin(), pack_data.end());
@@ -67,10 +66,10 @@ AFPacket AFPacketiser::Assemble(TagPacket tag_packet)
packet.push_back(taglength & 0xFF);
// fill rest of header
- packet.push_back(seq >> 8);
- packet.push_back(seq & 0xFF);
- seq++;
- packet.push_back((have_crc ? 0x80 : 0) | AFHEADER_VERSION); // ar_cf: CRC=1
+ packet.push_back(m_seq >> 8);
+ packet.push_back(m_seq & 0xFF);
+ m_seq++;
+ packet.push_back((m_have_crc ? 0x80 : 0) | AFHEADER_VERSION); // ar_cf: CRC=1
packet.push_back(AFHEADER_PT_TAG);
// insert payload, must have a length multiple of 8 bytes
@@ -93,4 +92,9 @@ AFPacket AFPacketiser::Assemble(TagPacket tag_packet)
return packet;
}
+void AFPacketiser::OverrideSeq(uint16_t seq)
+{
+ m_seq = seq;
+}
+
}
diff --git a/lib/edioutput/AFPacket.h b/lib/edioutput/AFPacket.h
index f2c4e35..6e6ec47 100644
--- a/lib/edioutput/AFPacket.h
+++ b/lib/edioutput/AFPacket.h
@@ -1,5 +1,5 @@
/*
- Copyright (C) 2014
+ Copyright (C) 2021
Matthias P. Braendli, matthias.braendli@mpb.li
http://www.opendigitalradio.org
@@ -28,7 +28,6 @@
#pragma once
-#include "config.h"
#include <vector>
#include <cstdint>
#include "TagItems.h"
@@ -49,10 +48,12 @@ class AFPacketiser
AFPacket Assemble(TagPacket tag_packet);
+ void OverrideSeq(uint16_t seq);
+
private:
- static const bool have_crc = true;
+ static const bool m_have_crc = true;
- uint16_t seq = 0; //counter that overflows at 0xFFFF
+ uint16_t m_seq = 0; //counter that overflows at 0xFFFF
bool m_verbose;
};
diff --git a/lib/edioutput/EDIConfig.h b/lib/edioutput/EDIConfig.h
index be6c9c4..d57e9ce 100644
--- a/lib/edioutput/EDIConfig.h
+++ b/lib/edioutput/EDIConfig.h
@@ -27,7 +27,6 @@
#pragma once
-#include "config.h"
#include <vector>
#include <string>
#include <memory>
diff --git a/lib/edioutput/PFT.cpp b/lib/edioutput/PFT.cpp
index b2f07e0..7e0e8e9 100644
--- a/lib/edioutput/PFT.cpp
+++ b/lib/edioutput/PFT.cpp
@@ -1,5 +1,5 @@
/*
- Copyright (C) 2019
+ Copyright (C) 2021
Matthias P. Braendli, matthias.braendli@mpb.li
http://www.opendigitalradio.org
@@ -30,7 +30,6 @@
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
-#include "config.h"
#include <vector>
#include <list>
#include <cstdio>
@@ -320,5 +319,10 @@ std::vector< PFTFragment > PFT::Assemble(AFPacket af_packet)
return pft_fragments;
}
+void PFT::OverridePSeq(uint16_t pseq)
+{
+ m_pseq = pseq;
+}
+
}
diff --git a/lib/edioutput/PFT.h b/lib/edioutput/PFT.h
index 4d138c5..42569a0 100644
--- a/lib/edioutput/PFT.h
+++ b/lib/edioutput/PFT.h
@@ -1,5 +1,5 @@
/*
- Copyright (C) 2019
+ Copyright (C) 2021
Matthias P. Braendli, matthias.braendli@mpb.li
http://www.opendigitalradio.org
@@ -32,7 +32,6 @@
#pragma once
-#include "config.h"
#include <vector>
#include <list>
#include <stdexcept>
@@ -65,6 +64,8 @@ class PFT
// Cut a RSBlock into several fragments that can be transmitted
std::vector< std::vector<uint8_t> > ProtectAndFragment(AFPacket af_packet);
+ void OverridePSeq(uint16_t pseq);
+
private:
unsigned int m_k = 207; // length of RS data word
unsigned int m_m = 3; // number of fragments that can be recovered if lost
diff --git a/lib/edioutput/TagItems.cpp b/lib/edioutput/TagItems.cpp
index 739adfa..a47d168 100644
--- a/lib/edioutput/TagItems.cpp
+++ b/lib/edioutput/TagItems.cpp
@@ -26,7 +26,6 @@
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
-#include "config.h"
#include "TagItems.h"
#include <vector>
#include <iostream>
diff --git a/lib/edioutput/TagItems.h b/lib/edioutput/TagItems.h
index f24dc44..029681c 100644
--- a/lib/edioutput/TagItems.h
+++ b/lib/edioutput/TagItems.h
@@ -28,7 +28,6 @@
#pragma once
-#include "config.h"
#include <vector>
#include <array>
#include <chrono>
diff --git a/lib/edioutput/TagPacket.cpp b/lib/edioutput/TagPacket.cpp
index ec52ad7..d89fce7 100644
--- a/lib/edioutput/TagPacket.cpp
+++ b/lib/edioutput/TagPacket.cpp
@@ -24,7 +24,6 @@
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
-#include "config.h"
#include "TagPacket.h"
#include "TagItems.h"
#include <vector>
diff --git a/lib/edioutput/TagPacket.h b/lib/edioutput/TagPacket.h
index b53b718..ad23530 100644
--- a/lib/edioutput/TagPacket.h
+++ b/lib/edioutput/TagPacket.h
@@ -26,7 +26,6 @@
#pragma once
-#include "config.h"
#include "TagItems.h"
#include <vector>
#include <string>
diff --git a/lib/edioutput/Transport.cpp b/lib/edioutput/Transport.cpp
index 274f7ec..5d34814 100644
--- a/lib/edioutput/Transport.cpp
+++ b/lib/edioutput/Transport.cpp
@@ -126,6 +126,11 @@ void Sender::write(const TagPacket& tagpacket)
// Assemble into one AF Packet
edi::AFPacket af_packet = edi_afPacketiser.Assemble(tagpacket);
+ write(af_packet);
+}
+
+void Sender::write(const AFPacket& af_packet)
+{
if (m_conf.enable_pft) {
// Apply PFT layer to AF Packet (Reed Solomon FEC and Fragmentation)
vector<edi::PFTFragment> edi_fragments = edi_pft.Assemble(af_packet);
@@ -194,6 +199,16 @@ void Sender::write(const TagPacket& tagpacket)
}
}
+void Sender::override_af_sequence(uint16_t seq)
+{
+ edi_afPacketiser.OverrideSeq(seq);
+}
+
+void Sender::override_pft_sequence(uint16_t pseq)
+{
+ edi_pft.OverridePSeq(pseq);
+}
+
void Sender::run()
{
while (m_running) {
diff --git a/lib/edioutput/Transport.h b/lib/edioutput/Transport.h
index 3bcc2f4..be93297 100644
--- a/lib/edioutput/Transport.h
+++ b/lib/edioutput/Transport.h
@@ -27,7 +27,6 @@
#pragma once
-#include "config.h"
#include "EDIConfig.h"
#include "AFPacket.h"
#include "PFT.h"
@@ -44,7 +43,7 @@
namespace edi {
-/** Configuration for EDI output */
+/** STI sender for EDI output */
class Sender {
public:
@@ -53,8 +52,20 @@ class Sender {
Sender operator=(const Sender&) = delete;
~Sender();
+ // Assemble the tagpacket into an AF packet, and if needed,
+ // apply PFT and then schedule for transmission.
void write(const TagPacket& tagpacket);
+ // Schedule an already assembled AF Packet for transmission,
+ // applying PFT if needed.
+ void write(const AFPacket& af_packet);
+
+ // Set the sequence numbers to be used for the next call to write()
+ // seq is for the AF layer
+ // pseq is for the PFT layer
+ void override_af_sequence(uint16_t seq);
+ void override_pft_sequence(uint16_t pseq);
+
private:
void run();