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authorMatthias P. Braendli <matthias.braendli@mpb.li>2016-10-02 14:31:31 +0200
committerMatthias P. Braendli <matthias.braendli@mpb.li>2016-10-02 14:31:31 +0200
commit369874e1c38680d27f187aa0297b0ce00b3f9fa0 (patch)
treee35a8146e1b2e12753afee0432deca44f24d45c9 /src/fig/FIG0_3.cpp
parentbbc588c731dc16c6245ad7063bac5d141086a315 (diff)
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Split FIG0 into several files
Diffstat (limited to 'src/fig/FIG0_3.cpp')
-rw-r--r--src/fig/FIG0_3.cpp124
1 files changed, 124 insertions, 0 deletions
diff --git a/src/fig/FIG0_3.cpp b/src/fig/FIG0_3.cpp
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+/*
+ Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010,
+ 2011, 2012 Her Majesty the Queen in Right of Canada (Communications
+ Research Center Canada)
+
+ Copyright (C) 2016
+ Matthias P. Braendli, matthias.braendli@mpb.li
+ */
+/*
+ This file is part of ODR-DabMux.
+
+ ODR-DabMux 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-DabMux 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-DabMux. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "fig/FIG0_3.h"
+#include "utils.h"
+
+namespace FIC {
+
+FIG0_3::FIG0_3(FIGRuntimeInformation *rti) :
+ m_rti(rti),
+ m_initialised(false)
+{
+}
+
+FillStatus FIG0_3::fill(uint8_t *buf, size_t max_size)
+{
+ FillStatus fs;
+ ssize_t remaining = max_size;
+ auto ensemble = m_rti->ensemble;
+
+ if (not m_initialised) {
+ componentFIG0_3 = m_rti->ensemble->components.end();
+ m_initialised = true;
+ }
+
+ FIGtype0 *fig0 = NULL;
+
+ for (; componentFIG0_3 != ensemble->components.end();
+ ++componentFIG0_3) {
+ auto subchannel = getSubchannel(ensemble->subchannels,
+ (*componentFIG0_3)->subchId);
+
+ if (subchannel == ensemble->subchannels.end()) {
+ etiLog.log(error,
+ "Subchannel %i does not exist for component "
+ "of service %i\n",
+ (*componentFIG0_3)->subchId, (*componentFIG0_3)->serviceId);
+ throw MuxInitException();
+ }
+
+ if ((*subchannel)->type != subchannel_type_t::Packet)
+ continue;
+
+ const int required_size = 5 + (m_rti->factumAnalyzer ? 2 : 0);
+
+ if (fig0 == NULL) {
+ if (remaining < 2 + required_size) {
+ break;
+ }
+ fig0 = (FIGtype0*)buf;
+ fig0->FIGtypeNumber = 0;
+ fig0->Length = 1;
+ fig0->CN = 0;
+ fig0->OE = 0;
+ fig0->PD = 0;
+ fig0->Extension = 3;
+
+ buf += 2;
+ remaining -= 2;
+ }
+ else if (remaining < required_size) {
+ break;
+ }
+
+ /* Warning: When bit SCCA_flag is unset(0), the multiplexer
+ * R&S does not send the SCCA field. But, in the Factum ETI
+ * analyzer, if this field is not there, it is an error.
+ */
+ FIGtype0_3 *fig0_3 = (FIGtype0_3*)buf;
+ fig0_3->setSCId((*componentFIG0_3)->packet.id);
+ fig0_3->rfa = 0;
+ fig0_3->SCCA_flag = 0;
+ // if 0, datagroups are used
+ fig0_3->DG_flag = !(*componentFIG0_3)->packet.datagroup;
+ fig0_3->rfu = 0;
+ fig0_3->DSCTy = (*componentFIG0_3)->type;
+ fig0_3->SubChId = (*subchannel)->id;
+ fig0_3->setPacketAddress((*componentFIG0_3)->packet.address);
+ if (m_rti->factumAnalyzer) {
+ fig0_3->SCCA = 0;
+ }
+
+ fig0->Length += 5;
+ buf += 5;
+ remaining -= 5;
+ if (m_rti->factumAnalyzer) {
+ fig0->Length += 2;
+ buf += 2;
+ remaining -= 2;
+ }
+ }
+
+ if (componentFIG0_3 == ensemble->components.end()) {
+ componentFIG0_3 = ensemble->components.begin();
+ fs.complete_fig_transmitted = true;
+ }
+
+ fs.num_bytes_written = max_size - remaining;
+ return fs;
+}
+
+}