finally get working PiIR

src/main/java/com/mykola2312/mptv/db/DBPool.java

@@ -47,8 +47,6 @@ public class DBPool implements ConnectionProvider {
     protected DBConnection spawnConnection() throws SQLException {
         DBConnection conn = new DBConnection(DriverManager.getConnection(url), false);
         connections.add(conn);
-
-        logger.debug(String.format("spawned connection %s", conn.toString()));
         return conn;
     }
 
@@ -72,7 +70,6 @@ public class DBPool implements ConnectionProvider {
 
         conn.beingUsed = true;
 
-        logger.debug(String.format("allocated connection %s", conn.toString()));
         return conn.connection;
     }
 

src/main/java/com/mykola2312/mptv/piir/PiIR.java

@@ -36,28 +36,62 @@ public class PiIR implements TaskProcess {
 
         private static final int BUFFER_SIZE = 512;
 
+        private enum ReaderState {
+            SKIPPING,
+            READING_JSON,
+            PARSE_JSON
+        }
+
         @Override
         public void run() {
+            ReaderState state = ReaderState.SKIPPING;
             byte[] buf = new byte[BUFFER_SIZE];
+            int off = 0;
             try {
                 while (running && !Thread.currentThread().isInterrupted()) {
                     // reader loop
-                    int len = input.read(buf, 0, buf.length);
+                    int len = input.read(buf, off, 1);
                     if (len < 0) {
                         logger.warn("reading error. exiting");
                         running = false;
                         return;
                     }
 
+                    switch (buf[off]) {
+                        case '{' -> state = ReaderState.READING_JSON;
+                        case '}' -> state = ReaderState.PARSE_JSON;
+                    }
+
+                    switch (state) {
+                        case SKIPPING -> {}
+
+                        case READING_JSON -> {
+                            off++;
+
+                            if (off >= BUFFER_SIZE) {
+                                logger.warn(String.format(
+                                    "buffer overflow from piir dump! %d >= %d", off, BUFFER_SIZE));
+                                state = ReaderState.SKIPPING;
+                                off = 0;
+                            }
+                        }
+
+                        case PARSE_JSON -> {
                             String line = new String(
-                        Arrays.copyOfRange(buf, 0, len),
+                                Arrays.copyOfRange(buf, 0, off+1),
                                 StandardCharsets.UTF_8);
+                            logger.info(line);
                             try {
                                 PiIRDump dump = PiIRDump.deserialize(line);
 
                                 piir.handleDump(dump);
                             } catch (JsonProcessingException e) {
                                 logger.warn("failed to deserialize dump!", e);
+                            } finally {
+                                state = ReaderState.SKIPPING;
+                                off = 0;
+                            }
+                        }
                     }
                 }
             } catch (IOException e) {
@@ -85,7 +119,7 @@ public class PiIR implements TaskProcess {
     @Override
     public boolean spawn() throws IOException {
         process = Runtime.getRuntime().exec(new String[] {
-            exec, "dump", "--gpio", String.valueOf(gpio)
+            "unbuffer", exec, "dump", "--gpio", String.valueOf(gpio)
         });
         input = process.getInputStream();
 
@@ -122,6 +156,7 @@ public class PiIR implements TaskProcess {
         String key = formatBindKey(dump.pre_data, dump.data);
         MenuAction action = binds.get(key);
         if (action != null) {
+            logger.info("executing action " + action.toString());
             Main.frame.action(action);
         } else {
             logger.warn(String.format(

src/main/java/com/mykola2312/mptv/piir/PiIRDump.java

@@ -1,8 +1,10 @@
 package com.mykola2312.mptv.piir;
 
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.core.JsonProcessingException;
 import com.fasterxml.jackson.databind.ObjectMapper;
 
+@JsonIgnoreProperties(ignoreUnknown = true)
 public class PiIRDump {
     public String pre_data;
     public String data;

src/main/java/com/mykola2312/mptv/ui/MenuAction.java

@@ -16,5 +16,8 @@ public enum MenuAction {
     ACTION_RIGHT,
 
     @JsonProperty("open")
-    ACTION_OPEN
+    ACTION_OPEN,
+
+    @JsonProperty("close")
+    ACTION_CLOSE
 }

src/main/java/com/mykola2312/mptv/ui/MenuPanel.java

@@ -135,6 +135,8 @@ public class MenuPanel extends JPanel {
                     }
                 }
             }
+
+            case ACTION_CLOSE -> closePlayer();
         }
         if (categoryIndex < 0) categoryIndex = 0;
         if (channelIndex < 0) channelIndex = 0;

src/main/resources/logback.xml

@@ -17,12 +17,12 @@
         </encoder>
     </appender>
 
-    <logger name="com.mykola2312" level="debug" additivity="false">
+    <logger name="com.mykola2312" level="info" additivity="false">
         <appender-ref ref="CONSOLE"/>
         <appender-ref ref="FILE"/>
     </logger>
 
-    <root level="debug">
+    <root level="info">
         <appender-ref ref="CONSOLE"/>
     </root>
 </configuration>