Fix: add missing JUL loglevel handling

[lttng-ust.git] / liblttng-ust-jul / org / lttng / ust / jul / LTTngLogHandler.java

diff --git a/liblttng-ust-jul/org/lttng/ust/jul/LTTngLogHandler.java b/liblttng-ust-jul/org/lttng/ust/jul/LTTngLogHandler.java
index dfc15b3df65115fbf91879ceac5bf5f3f7737616..d2d5587489b26ff4797967756c35c4cef87e0ec3 100644 (file)
--- a/liblttng-ust-jul/org/lttng/ust/jul/LTTngLogHandler.java
+++ b/liblttng-ust-jul/org/lttng/ust/jul/LTTngLogHandler.java
@@ -21,12 +21,51 @@ import java.lang.String;
 import java.util.logging.Handler;
 import java.util.logging.LogRecord;
 import java.util.logging.LogManager;
+import java.util.logging.Level;
+import java.util.HashMap;
 
 import org.lttng.ust.jul.LTTngUst;
 
+/* Note: This is taken from the LTTng tools ABI. */
+class LTTngLogLevelABI {
+       /* Loglevel type. */
+       public static final int LOGLEVEL_TYPE_ALL = 0;
+       public static final int LOGLEVEL_TYPE_RANGE = 1;
+       public static final int LOGLEVEL_TYPE_SINGLE = 2;
+}
+
+class LTTngLogLevel {
+       /* Event name on which this loglevel is applied on. */
+       private String event_name;
+       /* This level is a JUL int level value. */
+       private int level;
+       private int type;
+
+       public LTTngLogLevel(String event_name, int level, int type) {
+               this.event_name = event_name;
+               this.type = type;
+               this.level = level;
+       }
+
+       public String getName() {
+               return this.event_name;
+       }
+
+       public int getLevel() {
+               return this.level;
+       }
+
+       public int getType() {
+               return this.type;
+       }
+}
+
 public class LTTngLogHandler extends Handler {
        public LogManager logManager;
 
+       private HashMap<String, LTTngLogLevel> logLevels =
+               new HashMap<String, LTTngLogLevel>();
+
        public LTTngLogHandler(LogManager logManager) {
                super();
 
@@ -36,6 +75,12 @@ public class LTTngLogHandler extends Handler {
                LTTngUst.init();
        }
 
+       public void setLogLevel(String event_name, int level, int type) {
+               LTTngLogLevel lttngLogLevel = new LTTngLogLevel(event_name, level,
+                               type);
+               logLevels.put(event_name, lttngLogLevel);
+       }
+
        @Override
        public void close() throws SecurityException {}
 
@@ -44,6 +89,40 @@ public class LTTngLogHandler extends Handler {
 
        @Override
        public void publish(LogRecord record) {
+               int fire_tp = 0, rec_log_level, ev_type, ev_log_level;
+               LTTngLogLevel lttngLogLevel;
+               String event_name = record.getLoggerName();
+
+               lttngLogLevel = logLevels.get(event_name);
+               if (lttngLogLevel != null) {
+                       rec_log_level = record.getLevel().intValue();
+                       ev_log_level = lttngLogLevel.getLevel();
+                       ev_type = lttngLogLevel.getType();
+
+                       switch (ev_type) {
+                       case LTTngLogLevelABI.LOGLEVEL_TYPE_RANGE:
+                               if (ev_log_level <= rec_log_level) {
+                                       fire_tp = 1;
+                               }
+                               break;
+                       case LTTngLogLevelABI.LOGLEVEL_TYPE_SINGLE:
+                               if (ev_log_level == rec_log_level) {
+                                       fire_tp = 1;
+                               }
+                               break;
+                       case LTTngLogLevelABI.LOGLEVEL_TYPE_ALL:
+                               fire_tp = 1;
+                               break;
+                       }
+               } else {
+                       /* No loglevel attached thus fire tracepoint. */
+                       fire_tp = 1;
+               }
+
+               if (fire_tp == 0) {
+                       return;
+               }
+
                /*
                 * Specific tracepoing designed for JUL events. The source class of the
                 * caller is used for the event name, the raw message is taken, the