From 10700106f7eada56f9dfb97ed335ccf73c277dda Mon Sep 17 00:00:00 2001
From: rusefillc <sdfsdfqsf2334234234>
Date: Thu, 25 Jul 2024 21:22:16 -0400
Subject: [PATCH] FirstPacket tool

---
 .../can/analysis/ByteRateOfChangeReports.java |  1 +
 .../com/rusefi/can/analysis/FirstPacket.java  | 53 +++++++++++++++++++
 .../com/rusefi/can/analysis/PacketRatio.java  |  4 +-
 3 files changed, 56 insertions(+), 2 deletions(-)
 create mode 100644 reader/src/main/java/com/rusefi/can/analysis/FirstPacket.java

diff --git a/reader/src/main/java/com/rusefi/can/analysis/ByteRateOfChangeReports.java b/reader/src/main/java/com/rusefi/can/analysis/ByteRateOfChangeReports.java
index 563ed4f..b7bccbc 100644
--- a/reader/src/main/java/com/rusefi/can/analysis/ByteRateOfChangeReports.java
+++ b/reader/src/main/java/com/rusefi/can/analysis/ByteRateOfChangeReports.java
@@ -131,6 +131,7 @@ public static void scanInputFolder(String inputFolderName, String fileNameSuffix
             CanToMegaLogViewer.createMegaLogViewer(reportDestinationFolder, logFileContent, simpleFileName);
 
             PacketRatio.write(dbc, reportDestinationFolder, logFileContent, simpleFileName);
+            FirstPacket.write(dbc, reportDestinationFolder, logFileContent, simpleFileName);
 
             ByteRateOfChange.TraceReport report = ByteRateOfChange.process(reportDestinationFolder, simpleFileName, logFileContent);
             report.save(simpleFileName + "-ByteRateOfChange.txt");
diff --git a/reader/src/main/java/com/rusefi/can/analysis/FirstPacket.java b/reader/src/main/java/com/rusefi/can/analysis/FirstPacket.java
new file mode 100644
index 0000000..5989c99
--- /dev/null
+++ b/reader/src/main/java/com/rusefi/can/analysis/FirstPacket.java
@@ -0,0 +1,53 @@
+package com.rusefi.can.analysis;
+
+import com.rusefi.can.CANPacket;
+import com.rusefi.can.reader.dbc.DbcFile;
+import com.rusefi.can.reader.dbc.DbcPacket;
+
+import java.io.File;
+import java.io.FileWriter;
+import java.io.IOException;
+import java.io.Writer;
+import java.util.List;
+import java.util.Map;
+import java.util.TreeMap;
+
+public class FirstPacket {
+    public static void write(DbcFile dbc, String reportDestinationFolder, List<CANPacket> logFileContent, String simpleFileName) throws IOException {
+        if (logFileContent.isEmpty())
+            return;
+        CANPacket firstPacket = logFileContent.get(0);
+
+        Map<Integer, CANPacket> firstPacketById = new TreeMap<>();
+        Map<Double, CANPacket> sorterByFirstPacket = new TreeMap<>();
+
+        for (CANPacket packet : logFileContent) {
+            if (!firstPacketById.containsKey(packet.getId())) {
+                firstPacketById.put(packet.getId(), packet);
+                sorterByFirstPacket.put(packet.getTimeStamp() - firstPacket.getTimeStamp(), packet);
+            }
+        }
+
+
+        Writer w = new FileWriter(reportDestinationFolder + File.separator + "start_" + simpleFileName + ".txt");
+
+        for (CANPacket packet : firstPacketById.values()) {
+            writeLine(dbc, packet, w, firstPacket);
+        }
+
+        w.write("***************************************************\n");
+
+        for (CANPacket packet : sorterByFirstPacket.values()) {
+            writeLine(dbc, packet, w, firstPacket);
+        }
+
+        w.close();
+    }
+
+    private static void writeLine(DbcFile dbc, CANPacket packet, Writer w, CANPacket firstPacket) throws IOException {
+        int sid = packet.getId();
+        DbcPacket dbcPacket = dbc == null ? null : dbc.packets.get(sid);
+        String key = dbcPacket == null ? Integer.toString(sid) : dbcPacket.getName();
+        w.write(key + ": " + (packet.getTimeStamp() - firstPacket.getTimeStamp()) + "\n");
+    }
+}
diff --git a/reader/src/main/java/com/rusefi/can/analysis/PacketRatio.java b/reader/src/main/java/com/rusefi/can/analysis/PacketRatio.java
index a9700f4..d158b77 100644
--- a/reader/src/main/java/com/rusefi/can/analysis/PacketRatio.java
+++ b/reader/src/main/java/com/rusefi/can/analysis/PacketRatio.java
@@ -29,8 +29,8 @@ public static void write(DbcFile dbc, String reportDestinationFolder, List<CANPa
         for (Map.Entry<Integer, AtomicInteger> e : countBySID.entrySet()) {
             double ratio = 100.0 * e.getValue().get() / logFileContent.size();
             Integer sid = e.getKey();
-            DbcPacket packet = dbc == null ? null : dbc.packets.get(sid);
-            String key = packet == null ? Integer.toString(sid) : packet.getName();
+            DbcPacket dbcPacket = dbc == null ? null : dbc.packets.get(sid);
+            String key = dbcPacket == null ? Integer.toString(sid) : dbcPacket.getName();
             w.write(key + ": " + ratio + "\n");
         }
         w.close();