From 8b08667176e6fb8404aa6f722d9f2424d3d33225 Mon Sep 17 00:00:00 2001
From: "Matthias P. Braendli" <matthias.braendli@mpb.li>
Date: Mon, 2 Nov 2020 07:11:38 +0100
Subject: Common ea3156f: EDI input: Do not print sequence error on first
 packet

---
 lib/edi/common.cpp | 12 +++++++++---
 lib/edi/common.hpp |  1 +
 2 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/lib/edi/common.cpp b/lib/edi/common.cpp
index 3005802..306261a 100644
--- a/lib/edi/common.cpp
+++ b/lib/edi/common.cpp
@@ -264,9 +264,15 @@ decode_state_t TagDispatcher::decode_afpacket(
     }
 
     // SEQ wraps at 0xFFFF, unsigned integer overflow is intentional
-    const uint16_t expected_seq = m_last_seq + 1;
-    if (expected_seq != seq) {
-        etiLog.level(warn) << "EDI AF Packet sequence error, " << seq;
+    if (m_last_seq_valid) {
+        const uint16_t expected_seq = m_last_seq + 1;
+        if (expected_seq != seq) {
+            etiLog.level(warn) << "EDI AF Packet sequence error, " << seq;
+        }
+    }
+    else {
+        etiLog.level(info) << "EDI AF Packet initial sequence number: " << seq;
+        m_last_seq_valid = true;
     }
     m_last_seq = seq;
 
diff --git a/lib/edi/common.hpp b/lib/edi/common.hpp
index ff5bab1..c8c4bb3 100644
--- a/lib/edi/common.hpp
+++ b/lib/edi/common.hpp
@@ -107,6 +107,7 @@ class TagDispatcher {
         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;
         std::vector<uint8_t> m_input_data;
         std::map<std::string, tag_handler> m_handlers;
-- 
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