From 3c6c1ea2b45ec06ce493d595fc8cd3a03f056a84 Mon Sep 17 00:00:00 2001
From: "Matthias P. Braendli" <matthias.braendli@mpb.li>
Date: Mon, 31 Jul 2017 11:15:40 +0200
Subject: Insert metadata properly and enable EDI out in zmq2edi

---
 src/dabOutput/metadata.cpp | 14 +++++++++-----
 src/zmq2edi/zmq2edi.cpp    | 33 +++++++++++++++++++--------------
 2 files changed, 28 insertions(+), 19 deletions(-)

(limited to 'src')

diff --git a/src/dabOutput/metadata.cpp b/src/dabOutput/metadata.cpp
index cb355cc..a77ccf5 100644
--- a/src/dabOutput/metadata.cpp
+++ b/src/dabOutput/metadata.cpp
@@ -35,7 +35,7 @@
 #endif
 
 template <typename T>
-size_t write_meta(output_metadata_id_e md, uint8_t *buf, T value)
+size_t write_meta(output_metadata_id_e md, uint8_t *buf, const T value)
 {
     buf[0] = static_cast<uint8_t>(md);
 
@@ -48,12 +48,16 @@ size_t write_meta(output_metadata_id_e md, uint8_t *buf, T value)
         buf[3] = value;
     }
     else if (len_value == 2) {
-        const uint16_t value = htons(value);
-        memcpy(buf + 3, &value, sizeof(value));
+        const uint16_t val = htons(value);
+        memcpy(buf + 3, &val, sizeof(val));
     }
     else if (len_value == 4) {
-        const uint32_t value = htons(value);
-        memcpy(buf + 3, &value, sizeof(value));
+        const uint32_t val = htonl(value);
+        memcpy(buf + 3, &val, sizeof(val));
+    }
+    else {
+        throw std::runtime_error("Unsupported metadata len " +
+                std::to_string(len_value));
     }
 
     return 3 + len_value;
diff --git a/src/zmq2edi/zmq2edi.cpp b/src/zmq2edi/zmq2edi.cpp
index 7a2eed1..5fd02e2 100644
--- a/src/zmq2edi/zmq2edi.cpp
+++ b/src/zmq2edi/zmq2edi.cpp
@@ -160,11 +160,11 @@ static metadata_t get_md_one_frame(uint8_t *buf, size_t size, size_t *consumed_b
 
     while (remaining) {
         uint8_t id = buf[0];
-        uint16_t len = (((uint16_t)buf[0]) << 8) + buf[1];
+        uint16_t len = (((uint16_t)buf[1]) << 8) + buf[2];
 
         if (id == static_cast<uint8_t>(output_metadata_id_e::separation_marker)) {
             if (len != 0) {
-                etiLog.level(warn) << "Invalid length for metadata: separation_marker";
+                etiLog.level(warn) << "Invalid length " << len << " for metadata: separation_marker";
             }
 
             if (not utc_offset_received or not edi_time_received or not dlfc_received) {
@@ -177,42 +177,42 @@ static metadata_t get_md_one_frame(uint8_t *buf, size_t size, size_t *consumed_b
         }
         else if (id == static_cast<uint8_t>(output_metadata_id_e::utc_offset)) {
             if (len != 2) {
-                etiLog.level(warn) << "Invalid length for metadata: utc_offset";
+                etiLog.level(warn) << "Invalid length " << len << " for metadata: utc_offset";
             }
             if (remaining < 2) {
                 throw std::runtime_error("Insufficient data for utc_offset");
             }
             uint16_t utco;
-            std::memcpy(&utco, buf + 2, sizeof(utco));
-            md.utc_offset = ntohl(utco);
+            std::memcpy(&utco, buf + 3, sizeof(utco));
+            md.utc_offset = ntohs(utco);
             utc_offset_received = true;
             remaining -= 5;
             buf += 5;
         }
         else if (id == static_cast<uint8_t>(output_metadata_id_e::edi_time)) {
             if (len != 4) {
-                etiLog.level(warn) << "Invalid length for metadata: edi_time";
+                etiLog.level(warn) << "Invalid length " << len << " for metadata: edi_time";
             }
             if (remaining < 4) {
                 throw std::runtime_error("Insufficient data for edi_time");
             }
             uint32_t edi_time;
-            std::memcpy(&edi_time, buf + 2, sizeof(edi_time));
+            std::memcpy(&edi_time, buf + 3, sizeof(edi_time));
             md.edi_time = ntohl(edi_time);
             edi_time_received = true;
             remaining -= 7;
             buf += 7;
         }
         else if (id == static_cast<uint8_t>(output_metadata_id_e::dlfc)) {
-            if (len != 3) {
-                etiLog.level(warn) << "Invalid length for metadata: dlfc";
+            if (len != 2) {
+                etiLog.level(warn) << "Invalid length " << len << " for metadata: dlfc";
             }
             if (remaining < 2) {
                 throw std::runtime_error("Insufficient data for dlfc");
             }
             uint16_t dlfc;
-            std::memcpy(&dlfc, buf + 2, sizeof(dlfc));
-            md.dlfc = ntohl(dlfc);
+            std::memcpy(&dlfc, buf + 3, sizeof(dlfc));
+            md.dlfc = ntohs(dlfc);
             dlfc_received = true;
             remaining -= 5;
             buf += 5;
@@ -234,9 +234,14 @@ static void send_eti_frame(uint8_t* p, metadata_t metadata)
     edi_tagDETI.stat = p[0];
 
     // LIDATA FCT
-    //const int fct = p[4];
     edi_tagDETI.dlfc = metadata.dlfc;
 
+    const int fct = p[4];
+    if (metadata.dlfc % 250 != fct) {
+        etiLog.level(warn) << "Frame FCT=" << fct << " does not correspond to DLFC=" << metadata.dlfc;
+    }
+
+
     bool ficf = (p[5] & 0x80) >> 7;
 
     const int nst = p[5] & 0x7F;
@@ -458,6 +463,8 @@ int start(int argc, char **argv)
         return 1;
     }
 
+    edi_conf.destinations.push_back(edi_destination);
+
     print_edi_conf();
     edi_setup();
 
@@ -520,8 +527,6 @@ int start(int argc, char **argv)
         for (auto &f : all_frames) {
             size_t consumed_bytes = 0;
 
-            std::cerr << "MD: " << incoming.size() - offset << std::endl;
-
             f.second = get_md_one_frame(
                     static_cast<uint8_t*>(incoming.data()) + offset,
                     incoming.size() - offset,
-- 
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