2 files changed, 41 insertions, 0 deletions
diff --git a/src/org/traccar/config/ConfigSuffix.java b/src/org/traccar/config/ConfigSuffix.java
new file mode 100644
index 000000000..bfecfe197
--- /dev/null
+++ b/src/org/traccar/config/ConfigSuffix.java
@@ -0,0 +1,28 @@
+/*
+ * Copyright 2019 Anton Tananaev (anton@traccar.org)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.traccar.config;
+
+public class ConfigSuffix extends ConfigKey {
+
+    ConfigSuffix(String key, Class clazz, String description) {
+        super(key, clazz, description);
+    }
+
+    public ConfigKey withPrefix(String prefix) {
+        return new ConfigKey(prefix + getKey(), getValueClass(), getDescription());
+    }
+
+}
diff --git a/src/org/traccar/config/Keys.java b/src/org/traccar/config/Keys.java
index 5b26854ed..aea8e1ebe 100644
--- a/src/org/traccar/config/Keys.java
+++ b/src/org/traccar/config/Keys.java
@@ -17,6 +17,19 @@ package org.traccar.config;
 
 public final class Keys {
 
+    public static final ConfigSuffix PROTOCOL_TIMEOUT = new ConfigSuffix(
+            ".timeout",
+            Integer.class,
+            "Connection timeout value in seconds. Because sometimes there is no way to detect lost TCP connection, "
+                    + "old connections stay in open state. On most systems there is a limit on number of open "
+                    + "connection, so this leads to problems with establishing new connections when number of "
+                    + "devices is high or devices data connections are unstable.");
+
+    public static final ConfigKey SERVER_TIMEOUT = new ConfigKey(
+            "server.timeout",
+            Integer.class,
+            "Server wide connection timeout value in seconds. See protocol timeout for more information.");
+
     public static final ConfigKey EXTRA_HANDLERS = new ConfigKey(
             "extra.handlers",
             String.class,