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authorMatthias P. Braendli <matthias.braendli@mpb.li>2016-09-02 17:43:32 +0200
committerMatthias P. Braendli <matthias.braendli@mpb.li>2016-09-07 21:20:24 +0200
commit4809f3c042a99a639542b1e6cd22657871113260 (patch)
treedc0ec0f256eaceb79d63daa09591d4a6ef08cb73 /src/fig0_31.cpp
parent5542c8ecff635f9abc05b6b2ff255db02c2c9c46 (diff)
downloadetisnoop-4809f3c042a99a639542b1e6cd22657871113260.tar.gz
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diff --git a/src/fig0_31.cpp b/src/fig0_31.cpp
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+/*
+ Copyright (C) 2014 CSP Innovazione nelle ICT s.c.a r.l. (http://www.csp.it/)
+ Copyright (C) 2016 Matthias P. Braendli (http://www.opendigitalradio.org)
+ Copyright (C) 2015 Data Path
+
+ This program 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.
+
+ This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
+
+ Authors:
+ Sergio Sagliocco <sergio.sagliocco@csp.it>
+ Matthias P. Braendli <matthias@mpb.li>
+ / | |- ')|) |-|_ _ (|,_ .| _ ,_ \
+ Data Path \(|(||_(|/_| (||_||(a)_||||(|||.(_()|||/
+
+*/
+
+#include "figs.hpp"
+#include <cstdio>
+#include <cstring>
+#include <map>
+#include <unordered_set>
+
+static std::unordered_set<uint64_t> figtype_flags_seen;
+
+bool fig0_31_is_complete(uint64_t figtype_flags)
+{
+ bool complete = figtype_flags_seen.count(figtype_flags);
+
+ if (complete) {
+ figtype_flags_seen.clear();
+ }
+ else {
+ figtype_flags_seen.insert(figtype_flags);
+ }
+
+ return complete;
+}
+
+// FIG 0/31 FIC re-direction
+// ETSI EN 300 401 8.1.12
+bool fig0_31(fig0_common_t& fig0, int indent)
+{
+ uint32_t FIG_type0_flag_field = 0, flag_field;
+ uint8_t i = 1, j, FIG_type1_flag_field = 0, FIG_type2_flag_field = 0;
+ char desc[256];
+ uint8_t* f = fig0.f;
+ bool complete = false;
+
+ if (i < (fig0.figlen - 5)) {
+ // Read FIC re-direction
+ FIG_type0_flag_field = ((uint32_t)f[i] << 24) | ((uint32_t)f[i+1] << 16) |
+ ((uint32_t)f[i+2] << 8) | (uint32_t)f[i+3];
+ FIG_type1_flag_field = f[i+4];
+ FIG_type2_flag_field = f[i+5];
+
+ uint64_t key = ((uint64_t)FIG_type1_flag_field << 32) | ((uint64_t)FIG_type2_flag_field << 40) | FIG_type0_flag_field;
+ complete |= fig0_31_is_complete(key);
+
+ sprintf(desc, "FIG type 0 flag field=0x%X, FIG type 1 flag field=0x%X, FIG type 2 flag field=0x%X",
+ FIG_type0_flag_field, FIG_type1_flag_field, FIG_type2_flag_field);
+ printbuf(desc, indent+1, NULL, 0);
+
+ for(j = 0; j < 32; j++) {
+ // iterate over FIG type 0 re-direction
+ flag_field = FIG_type0_flag_field & ((uint32_t)1 << j);
+ if ((flag_field != 0) && ((j <= 5) || (j == 8) ||
+ (j == 10) || (j == 13) || (j == 14) ||
+ (j == 19) || (j == 26) || (j == 28))) {
+ sprintf(desc, "fig0.oe()=%d FIG 0/%d carried in AIC, invalid configuration, shall always be carried entirely in the FIC",
+ fig0.oe(), j);
+ printbuf(desc, indent+2, NULL, 0);
+ fprintf(stderr, "WARNING: FIG 0/%d FIG re-direction of fig0.oe()=%d FIG0/%d not allowed\n", fig0.ext(), fig0.oe(), j);
+ }
+ else if ((flag_field != 0) && ((j == 21) || (j == 24))) {
+ sprintf(desc, "fig0.oe()=%d FIG 0/%d carried in AIC, same shall be carried in FIC", fig0.oe(), j);
+ printbuf(desc, indent+2, NULL, 0);
+ }
+ else if (flag_field != 0) {
+ if (fig0.oe() == 0) {
+ sprintf(desc, "fig0.oe()=%d FIG 0/%d carried in AIC, same shall be carried in FIC", fig0.oe(), j);
+ }
+ else { // fig0.oe() == 1
+ sprintf(desc, "fig0.oe()=%d FIG 0/%d carried in AIC, may be carried entirely in AIC", fig0.oe(), j);
+ }
+ printbuf(desc, indent+2, NULL, 0);
+ }
+ }
+
+ for(j = 0; j < 8; j++) {
+ // iterate over FIG type 1 re-direction
+ flag_field = FIG_type1_flag_field & ((uint32_t)1 << j);
+ if (flag_field != 0) {
+ if (fig0.oe() == 0) {
+ sprintf(desc, "fig0.oe()=%d FIG 1/%d carried in AIC, same shall be carried in FIC", fig0.oe(), j);
+ }
+ else { // fig0.oe() == 1
+ sprintf(desc, "fig0.oe()=%d FIG 1/%d carried in AIC, may be carried entirely in AIC", fig0.oe(), j);
+ }
+ printbuf(desc, indent+2, NULL, 0);
+ }
+ }
+
+ for(j = 0; j < 8; j++) {
+ // iterate over FIG type 2 re-direction
+ flag_field = FIG_type2_flag_field & ((uint32_t)1 << j);
+ if (flag_field != 0) {
+ if (fig0.oe() == 0) {
+ sprintf(desc, "fig0.oe()=%d FIG 2/%d carried in AIC, same shall be carried in FIC", fig0.oe(), j);
+ }
+ else { // fig0.oe() == 1
+ sprintf(desc, "fig0.oe()=%d FIG 2/%d carried in AIC, may be carried entirely in AIC", fig0.oe(), j);
+ }
+ printbuf(desc, indent+2, NULL, 0);
+ }
+ }
+ }
+ if (fig0.figlen != 7) {
+ fprintf(stderr, "WARNING: FIG 0/%d invalid length %d, expecting 7\n", fig0.ext(), fig0.figlen);
+ }
+
+ return complete;
+}
+