From 0e311e49d28c111aee9497e9195f729a716d5f52 Mon Sep 17 00:00:00 2001
From: brutzman <brutzman@nps.edu>
Date: Sun, 11 Aug 2024 11:43:15 -0700
Subject: [PATCH] warn if user tries to start client before server
---
examples/src/TcpExamples/TcpExample3Client.java | 4 ++++
examples/src/TcpExamples/TcpExample4Client.java | 4 ++++
examples/src/TcpExamples/TcpSentryScenarioClient.java | 11 ++++++++---
3 files changed, 16 insertions(+), 3 deletions(-)
diff --git a/examples/src/TcpExamples/TcpExample3Client.java b/examples/src/TcpExamples/TcpExample3Client.java
index 7312d3aac7..527f9ce2dd 100644
--- a/examples/src/TcpExamples/TcpExample3Client.java
+++ b/examples/src/TcpExamples/TcpExample3Client.java
@@ -97,6 +97,10 @@ public class TcpExample3Client
if (e instanceof java.net.BindException) {
System.err.println("*** Be sure to stop any other running instances of programs using this port!");
}
+ else if (e instanceof java.net.ConnectException)
+ {
+ System.out.println("*** Be sure to start the server before starting the client!");
+ }
}
finally // occurs after any other activity when shutting down
{
diff --git a/examples/src/TcpExamples/TcpExample4Client.java b/examples/src/TcpExamples/TcpExample4Client.java
index 9e4030fe4e..4a7fdb6581 100644
--- a/examples/src/TcpExamples/TcpExample4Client.java
+++ b/examples/src/TcpExamples/TcpExample4Client.java
@@ -79,6 +79,10 @@ public class TcpExample4Client
if (e instanceof java.net.BindException) {
System.out.println("*** Be sure to stop any other running instances of programs using this port!");
}
+ else if (e instanceof java.net.ConnectException)
+ {
+ System.out.println("*** Be sure to start the server before starting the client!");
+ }
}
}
}
diff --git a/examples/src/TcpExamples/TcpSentryScenarioClient.java b/examples/src/TcpExamples/TcpSentryScenarioClient.java
index 71507b79d7..20f7fde618 100644
--- a/examples/src/TcpExamples/TcpSentryScenarioClient.java
+++ b/examples/src/TcpExamples/TcpSentryScenarioClient.java
@@ -112,12 +112,17 @@ public class TcpSentryScenarioClient
System.out.println(prefix + " complete");
// main method now exits
} catch (IOException e) {
- System.out.println("Problem with " + prefix + " networking:networking:"); // describe what is happening
- System.out.println("Error: " + e);
+ System.out.println("*** Problem with " + prefix + "networking:"); // describe what is happening
+ System.out.println(" " + e);
// Provide more helpful information to user if exception occurs due to running twice at one time
- if (e instanceof java.net.BindException) {
+ if (e instanceof java.net.BindException)
+ {
System.out.println("*** Be sure to stop any other running instances of programs using this port!");
}
+ else if (e instanceof java.net.ConnectException)
+ {
+ System.out.println("*** Be sure to start the server before starting the client!");
+ }
}
}
}
--
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