Generate new diagnostics

Author: Open-Markets-Initiative

.github/tests/Asx-AsxSecurities-Ntp-Itch-v1-05-Test.sh

@@ -1,21 +1,27 @@
 set -o errexit
 set -o pipefail
 
-tshark \
+# Wireshark's Debian build silently disables -X lua_script: when running as root,
+# so all tshark calls below run as the unprivileged 'tester' user via runuser.
+# Give that user write access to the working directory for json output files.
+chown -R tester:tester .
+
+port=$(runuser -u tester -- tshark -r "omi-data-packets/B3/BinaryEntryPoint.v8.0/NegotiateRejectMessage.pcap" -c 1 -T fields -e udp.dstport 2>/dev/null | tr -d '[:space:]')
+
+runuser -u tester -- tshark \
   -r "omi-data-packets/B3/BinaryEntryPoint.v8.0/NegotiateRejectMessage.pcap" \
   -X "lua_script:B3/B3_B3Derivatives_BinaryEntryPoint_Sbe_v8_0_Dissector.lua" \
+  -d "udp.port==$port,b3.b3derivatives.binaryentrypoint.sbe.v8.0.lua" \
   -T json \
   > B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.0.NegotiateRejectMessage.json 2> B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.0.NegotiateRejectMessage.json.stderr \
   || { echo "--- tshark FAILED (NegotiateRejectMessage) ---"; cat B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.0.NegotiateRejectMessage.json.stderr; exit 1; }
 if [ -s B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.0.NegotiateRejectMessage.json.stderr ]; then echo "--- tshark stderr (NegotiateRejectMessage) ---"; cat B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.0.NegotiateRejectMessage.json.stderr; fi
 echo "--- tshark diagnostic (NegotiateRejectMessage) ---"
-tshark -v | head -n 1
 echo "json bytes: $(wc -c < B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.0.NegotiateRejectMessage.json)"
 echo "frame count: $(grep -c '\"_index\"' B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.0.NegotiateRejectMessage.json || true)"
-echo "layer keys (frame 0):"
+echo "frame.protocols: $(grep -oE '\"frame.protocols\": \"[^\"]+\"' B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.0.NegotiateRejectMessage.json | head -n 1)"
+echo "layer keys:"
 grep -oE '"[a-z0-9_.]+":' B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.0.NegotiateRejectMessage.json | sort -u | head -n 40
-echo "json head:"
-head -c 1500 B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.0.NegotiateRejectMessage.json; echo
 
 grep "b3.b3derivatives.binaryentrypoint.sbe.v8.0.sessionid" B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.0.NegotiateRejectMessage.json
 grep "b3.b3derivatives.binaryentrypoint.sbe.v8.0.sessionverid" B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.0.NegotiateRejectMessage.json
@@ -24,21 +30,22 @@ grep "b3.b3derivatives.binaryentrypoint.sbe.v8.0.enteringfirmoptional" B3.B3Deri
 grep "b3.b3derivatives.binaryentrypoint.sbe.v8.0.negotiationrejectcode" B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.0.NegotiateRejectMessage.json
 grep "b3.b3derivatives.binaryentrypoint.sbe.v8.0.offset25padding3" B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.0.NegotiateRejectMessage.json
 grep "b3.b3derivatives.binaryentrypoint.sbe.v8.0.currentsessionverid" B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.0.NegotiateRejectMessage.json
-tshark \
+port=$(runuser -u tester -- tshark -r "omi-data-packets/B3/BinaryEntryPoint.v8.0/TerminateMessage.pcap" -c 1 -T fields -e udp.dstport 2>/dev/null | tr -d '[:space:]')
+
+runuser -u tester -- tshark \
   -r "omi-data-packets/B3/BinaryEntryPoint.v8.0/TerminateMessage.pcap" \
   -X "lua_script:B3/B3_B3Derivatives_BinaryEntryPoint_Sbe_v8_0_Dissector.lua" \
+  -d "udp.port==$port,b3.b3derivatives.binaryentrypoint.sbe.v8.0.lua" \
   -T json \
   > B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.0.TerminateMessage.json 2> B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.0.TerminateMessage.json.stderr \
   || { echo "--- tshark FAILED (TerminateMessage) ---"; cat B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.0.TerminateMessage.json.stderr; exit 1; }
 if [ -s B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.0.TerminateMessage.json.stderr ]; then echo "--- tshark stderr (TerminateMessage) ---"; cat B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.0.TerminateMessage.json.stderr; fi
 echo "--- tshark diagnostic (TerminateMessage) ---"
-tshark -v | head -n 1
 echo "json bytes: $(wc -c < B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.0.TerminateMessage.json)"
 echo "frame count: $(grep -c '\"_index\"' B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.0.TerminateMessage.json || true)"
-echo "layer keys (frame 0):"
+echo "frame.protocols: $(grep -oE '\"frame.protocols\": \"[^\"]+\"' B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.0.TerminateMessage.json | head -n 1)"
+echo "layer keys:"
 grep -oE '"[a-z0-9_.]+":' B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.0.TerminateMessage.json | sort -u | head -n 40
-echo "json head:"
-head -c 1500 B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.0.TerminateMessage.json; echo
 
 grep "b3.b3derivatives.binaryentrypoint.sbe.v8.0.sessionid" B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.0.TerminateMessage.json
 grep "b3.b3derivatives.binaryentrypoint.sbe.v8.0.sessionverid" B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.0.TerminateMessage.json

.github/tests/B3-B3Derivatives-BinaryEntryPoint-Sbe-v8-0-Test.sh

@@ -1,21 +1,27 @@
 set -o errexit
 set -o pipefail
 
-tshark \
+# Wireshark's Debian build silently disables -X lua_script: when running as root,
+# so all tshark calls below run as the unprivileged 'tester' user via runuser.
+# Give that user write access to the working directory for json output files.
+chown -R tester:tester .
+
+port=$(runuser -u tester -- tshark -r "omi-data-packets/B3/BinaryEntryPoint.v8.1/EstablishMessage.pcap" -c 1 -T fields -e udp.dstport 2>/dev/null | tr -d '[:space:]')
+
+runuser -u tester -- tshark \
   -r "omi-data-packets/B3/BinaryEntryPoint.v8.1/EstablishMessage.pcap" \
   -X "lua_script:B3/B3_B3Derivatives_BinaryEntryPoint_Sbe_v8_1_Dissector.lua" \
+  -d "udp.port==$port,b3.b3derivatives.binaryentrypoint.sbe.v8.1.lua" \
   -T json \
   > B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.1.EstablishMessage.json 2> B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.1.EstablishMessage.json.stderr \
   || { echo "--- tshark FAILED (EstablishMessage) ---"; cat B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.1.EstablishMessage.json.stderr; exit 1; }
 if [ -s B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.1.EstablishMessage.json.stderr ]; then echo "--- tshark stderr (EstablishMessage) ---"; cat B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.1.EstablishMessage.json.stderr; fi
 echo "--- tshark diagnostic (EstablishMessage) ---"
-tshark -v | head -n 1
 echo "json bytes: $(wc -c < B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.1.EstablishMessage.json)"
 echo "frame count: $(grep -c '\"_index\"' B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.1.EstablishMessage.json || true)"
-echo "layer keys (frame 0):"
+echo "frame.protocols: $(grep -oE '\"frame.protocols\": \"[^\"]+\"' B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.1.EstablishMessage.json | head -n 1)"
+echo "layer keys:"
 grep -oE '"[a-z0-9_.]+":' B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.1.EstablishMessage.json | sort -u | head -n 40
-echo "json head:"
-head -c 1500 B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.1.EstablishMessage.json; echo
 
 grep "b3.b3derivatives.binaryentrypoint.sbe.v8.1.sessionid" B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.1.EstablishMessage.json
 grep "b3.b3derivatives.binaryentrypoint.sbe.v8.1.sessionverid" B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.1.EstablishMessage.json
@@ -25,21 +31,22 @@ grep "b3.b3derivatives.binaryentrypoint.sbe.v8.1.nextseqno" B3.B3Derivatives.Bin
 grep "b3.b3derivatives.binaryentrypoint.sbe.v8.1.cancelondisconnecttype" B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.1.EstablishMessage.json
 grep "b3.b3derivatives.binaryentrypoint.sbe.v8.1.offset33padding1" B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.1.EstablishMessage.json
 grep "b3.b3derivatives.binaryentrypoint.sbe.v8.1.codtimeoutwindow" B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.1.EstablishMessage.json
-tshark \
+port=$(runuser -u tester -- tshark -r "omi-data-packets/B3/BinaryEntryPoint.v8.1/ExecutionReportNewMessage.pcap" -c 1 -T fields -e udp.dstport 2>/dev/null | tr -d '[:space:]')
+
+runuser -u tester -- tshark \
   -r "omi-data-packets/B3/BinaryEntryPoint.v8.1/ExecutionReportNewMessage.pcap" \
   -X "lua_script:B3/B3_B3Derivatives_BinaryEntryPoint_Sbe_v8_1_Dissector.lua" \
+  -d "udp.port==$port,b3.b3derivatives.binaryentrypoint.sbe.v8.1.lua" \
   -T json \
   > B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.1.ExecutionReportNewMessage.json 2> B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.1.ExecutionReportNewMessage.json.stderr \
   || { echo "--- tshark FAILED (ExecutionReportNewMessage) ---"; cat B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.1.ExecutionReportNewMessage.json.stderr; exit 1; }
 if [ -s B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.1.ExecutionReportNewMessage.json.stderr ]; then echo "--- tshark stderr (ExecutionReportNewMessage) ---"; cat B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.1.ExecutionReportNewMessage.json.stderr; fi
 echo "--- tshark diagnostic (ExecutionReportNewMessage) ---"
-tshark -v | head -n 1
 echo "json bytes: $(wc -c < B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.1.ExecutionReportNewMessage.json)"
 echo "frame count: $(grep -c '\"_index\"' B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.1.ExecutionReportNewMessage.json || true)"
-echo "layer keys (frame 0):"
+echo "frame.protocols: $(grep -oE '\"frame.protocols\": \"[^\"]+\"' B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.1.ExecutionReportNewMessage.json | head -n 1)"
+echo "layer keys:"
 grep -oE '"[a-z0-9_.]+":' B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.1.ExecutionReportNewMessage.json | sort -u | head -n 40
-echo "json head:"
-head -c 1500 B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.1.ExecutionReportNewMessage.json; echo
 
 grep "b3.b3derivatives.binaryentrypoint.sbe.v8.1.side" B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.1.ExecutionReportNewMessage.json
 grep "b3.b3derivatives.binaryentrypoint.sbe.v8.1.ordstatus" B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.1.ExecutionReportNewMessage.json
@@ -72,21 +79,22 @@ grep "b3.b3derivatives.binaryentrypoint.sbe.v8.1.crossprioritization" B3.B3Deriv
 grep "b3.b3derivatives.binaryentrypoint.sbe.v8.1.mmprotectionresetbooleanoptional" B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.1.ExecutionReportNewMessage.json
 grep "b3.b3derivatives.binaryentrypoint.sbe.v8.1.offset165padding3" B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.1.ExecutionReportNewMessage.json
 grep "b3.b3derivatives.binaryentrypoint.sbe.v8.1.strategyid" B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.1.ExecutionReportNewMessage.json
-tshark \
+port=$(runuser -u tester -- tshark -r "omi-data-packets/B3/BinaryEntryPoint.v8.1/ExecutionReportTradeMessage.pcap" -c 1 -T fields -e udp.dstport 2>/dev/null | tr -d '[:space:]')
+
+runuser -u tester -- tshark \
   -r "omi-data-packets/B3/BinaryEntryPoint.v8.1/ExecutionReportTradeMessage.pcap" \
   -X "lua_script:B3/B3_B3Derivatives_BinaryEntryPoint_Sbe_v8_1_Dissector.lua" \
+  -d "udp.port==$port,b3.b3derivatives.binaryentrypoint.sbe.v8.1.lua" \
   -T json \
   > B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.1.ExecutionReportTradeMessage.json 2> B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.1.ExecutionReportTradeMessage.json.stderr \
   || { echo "--- tshark FAILED (ExecutionReportTradeMessage) ---"; cat B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.1.ExecutionReportTradeMessage.json.stderr; exit 1; }
 if [ -s B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.1.ExecutionReportTradeMessage.json.stderr ]; then echo "--- tshark stderr (ExecutionReportTradeMessage) ---"; cat B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.1.ExecutionReportTradeMessage.json.stderr; fi
 echo "--- tshark diagnostic (ExecutionReportTradeMessage) ---"
-tshark -v | head -n 1
 echo "json bytes: $(wc -c < B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.1.ExecutionReportTradeMessage.json)"
 echo "frame count: $(grep -c '\"_index\"' B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.1.ExecutionReportTradeMessage.json || true)"
-echo "layer keys (frame 0):"
+echo "frame.protocols: $(grep -oE '\"frame.protocols\": \"[^\"]+\"' B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.1.ExecutionReportTradeMessage.json | head -n 1)"
+echo "layer keys:"
 grep -oE '"[a-z0-9_.]+":' B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.1.ExecutionReportTradeMessage.json | sort -u | head -n 40
-echo "json head:"
-head -c 1500 B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.1.ExecutionReportTradeMessage.json; echo
 
 grep "b3.b3derivatives.binaryentrypoint.sbe.v8.1.side" B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.1.ExecutionReportTradeMessage.json
 grep "b3.b3derivatives.binaryentrypoint.sbe.v8.1.ordstatus" B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.1.ExecutionReportTradeMessage.json
@@ -122,42 +130,44 @@ grep "b3.b3derivatives.binaryentrypoint.sbe.v8.1.crosstype" B3.B3Derivatives.Bin
 grep "b3.b3derivatives.binaryentrypoint.sbe.v8.1.crossprioritization" B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.1.ExecutionReportTradeMessage.json
 grep "b3.b3derivatives.binaryentrypoint.sbe.v8.1.offset159padding1" B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.1.ExecutionReportTradeMessage.json
 grep "b3.b3derivatives.binaryentrypoint.sbe.v8.1.strategyid" B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.1.ExecutionReportTradeMessage.json
-tshark \
+port=$(runuser -u tester -- tshark -r "omi-data-packets/B3/BinaryEntryPoint.v8.1/NegotiateMessage.pcap" -c 1 -T fields -e udp.dstport 2>/dev/null | tr -d '[:space:]')
+
+runuser -u tester -- tshark \
   -r "omi-data-packets/B3/BinaryEntryPoint.v8.1/NegotiateMessage.pcap" \
   -X "lua_script:B3/B3_B3Derivatives_BinaryEntryPoint_Sbe_v8_1_Dissector.lua" \
+  -d "udp.port==$port,b3.b3derivatives.binaryentrypoint.sbe.v8.1.lua" \
   -T json \
   > B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.1.NegotiateMessage.json 2> B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.1.NegotiateMessage.json.stderr \
   || { echo "--- tshark FAILED (NegotiateMessage) ---"; cat B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.1.NegotiateMessage.json.stderr; exit 1; }
 if [ -s B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.1.NegotiateMessage.json.stderr ]; then echo "--- tshark stderr (NegotiateMessage) ---"; cat B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.1.NegotiateMessage.json.stderr; fi
 echo "--- tshark diagnostic (NegotiateMessage) ---"
-tshark -v | head -n 1
 echo "json bytes: $(wc -c < B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.1.NegotiateMessage.json)"
 echo "frame count: $(grep -c '\"_index\"' B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.1.NegotiateMessage.json || true)"
-echo "layer keys (frame 0):"
+echo "frame.protocols: $(grep -oE '\"frame.protocols\": \"[^\"]+\"' B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.1.NegotiateMessage.json | head -n 1)"
+echo "layer keys:"
 grep -oE '"[a-z0-9_.]+":' B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.1.NegotiateMessage.json | sort -u | head -n 40
-echo "json head:"
-head -c 1500 B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.1.NegotiateMessage.json; echo
 
 grep "b3.b3derivatives.binaryentrypoint.sbe.v8.1.sessionid" B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.1.NegotiateMessage.json
 grep "b3.b3derivatives.binaryentrypoint.sbe.v8.1.sessionverid" B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.1.NegotiateMessage.json
 grep "b3.b3derivatives.binaryentrypoint.sbe.v8.1.timestamp" B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.1.NegotiateMessage.json
 grep "b3.b3derivatives.binaryentrypoint.sbe.v8.1.enteringfirm" B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.1.NegotiateMessage.json
 grep "b3.b3derivatives.binaryentrypoint.sbe.v8.1.onbehalffirm" B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.1.NegotiateMessage.json
-tshark \
+port=$(runuser -u tester -- tshark -r "omi-data-packets/B3/BinaryEntryPoint.v8.1/SimpleModifyOrderMessage.pcap" -c 1 -T fields -e udp.dstport 2>/dev/null | tr -d '[:space:]')
+
+runuser -u tester -- tshark \
   -r "omi-data-packets/B3/BinaryEntryPoint.v8.1/SimpleModifyOrderMessage.pcap" \
   -X "lua_script:B3/B3_B3Derivatives_BinaryEntryPoint_Sbe_v8_1_Dissector.lua" \
+  -d "udp.port==$port,b3.b3derivatives.binaryentrypoint.sbe.v8.1.lua" \
   -T json \
   > B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.1.SimpleModifyOrderMessage.json 2> B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.1.SimpleModifyOrderMessage.json.stderr \
   || { echo "--- tshark FAILED (SimpleModifyOrderMessage) ---"; cat B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.1.SimpleModifyOrderMessage.json.stderr; exit 1; }
 if [ -s B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.1.SimpleModifyOrderMessage.json.stderr ]; then echo "--- tshark stderr (SimpleModifyOrderMessage) ---"; cat B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.1.SimpleModifyOrderMessage.json.stderr; fi
 echo "--- tshark diagnostic (SimpleModifyOrderMessage) ---"
-tshark -v | head -n 1
 echo "json bytes: $(wc -c < B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.1.SimpleModifyOrderMessage.json)"
 echo "frame count: $(grep -c '\"_index\"' B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.1.SimpleModifyOrderMessage.json || true)"
-echo "layer keys (frame 0):"
+echo "frame.protocols: $(grep -oE '\"frame.protocols\": \"[^\"]+\"' B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.1.SimpleModifyOrderMessage.json | head -n 1)"
+echo "layer keys:"
 grep -oE '"[a-z0-9_.]+":' B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.1.SimpleModifyOrderMessage.json | sort -u | head -n 40
-echo "json head:"
-head -c 1500 B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.1.SimpleModifyOrderMessage.json; echo
 
 grep "b3.b3derivatives.binaryentrypoint.sbe.v8.1.ordtagid" B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.1.SimpleModifyOrderMessage.json
 grep "b3.b3derivatives.binaryentrypoint.sbe.v8.1.mmprotectionresetboolean" B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.1.SimpleModifyOrderMessage.json
@@ -175,21 +185,22 @@ grep "b3.b3derivatives.binaryentrypoint.sbe.v8.1.orderqty" B3.B3Derivatives.Bina
 grep "b3.b3derivatives.binaryentrypoint.sbe.v8.1.priceoptional" B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.1.SimpleModifyOrderMessage.json
 grep "b3.b3derivatives.binaryentrypoint.sbe.v8.1.orderidoptional" B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.1.SimpleModifyOrderMessage.json
 grep "b3.b3derivatives.binaryentrypoint.sbe.v8.1.origclordid" B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.1.SimpleModifyOrderMessage.json
-tshark \
+port=$(runuser -u tester -- tshark -r "omi-data-packets/B3/BinaryEntryPoint.v8.1/SimpleNewOrderMessage.pcap" -c 1 -T fields -e udp.dstport 2>/dev/null | tr -d '[:space:]')
+
+runuser -u tester -- tshark \
   -r "omi-data-packets/B3/BinaryEntryPoint.v8.1/SimpleNewOrderMessage.pcap" \
   -X "lua_script:B3/B3_B3Derivatives_BinaryEntryPoint_Sbe_v8_1_Dissector.lua" \
+  -d "udp.port==$port,b3.b3derivatives.binaryentrypoint.sbe.v8.1.lua" \
   -T json \
   > B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.1.SimpleNewOrderMessage.json 2> B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.1.SimpleNewOrderMessage.json.stderr \
   || { echo "--- tshark FAILED (SimpleNewOrderMessage) ---"; cat B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.1.SimpleNewOrderMessage.json.stderr; exit 1; }
 if [ -s B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.1.SimpleNewOrderMessage.json.stderr ]; then echo "--- tshark stderr (SimpleNewOrderMessage) ---"; cat B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.1.SimpleNewOrderMessage.json.stderr; fi
 echo "--- tshark diagnostic (SimpleNewOrderMessage) ---"
-tshark -v | head -n 1
 echo "json bytes: $(wc -c < B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.1.SimpleNewOrderMessage.json)"
 echo "frame count: $(grep -c '\"_index\"' B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.1.SimpleNewOrderMessage.json || true)"
-echo "layer keys (frame 0):"
+echo "frame.protocols: $(grep -oE '\"frame.protocols\": \"[^\"]+\"' B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.1.SimpleNewOrderMessage.json | head -n 1)"
+echo "layer keys:"
 grep -oE '"[a-z0-9_.]+":' B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.1.SimpleNewOrderMessage.json | sort -u | head -n 40
-echo "json head:"
-head -c 1500 B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.1.SimpleNewOrderMessage.json; echo
 
 grep "b3.b3derivatives.binaryentrypoint.sbe.v8.1.ordtagid" B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.1.SimpleNewOrderMessage.json
 grep "b3.b3derivatives.binaryentrypoint.sbe.v8.1.mmprotectionresetboolean" B3.B3Derivatives.BinaryEntryPoint.Sbe.v8.1.SimpleNewOrderMessage.json