stap-server initscript fully functional.

1 files changed, 30 insertions, 4 deletions

diff --git a/stap-start-server b/stap-start-server
index ac31d3bd..e43a4cdf 100755
--- a/stap-start-server
+++ b/stap-start-server
@@ -17,27 +17,53 @@
 startup_timeout=20
 
 # start the server
-${stap_exec_prefix}stap-serverd "$@" </dev/null >/dev/null 2>&1 &
+${stap_exec_prefix}stap-serverd "$@" </dev/null &
 server_pid=$!
 
 # Make sure the server is started
 for ((attempt=0; $attempt < $startup_timeout; ++attempt))
 do
+    server_started=0
+    avahi_advertising=0
+    server_listening=0
+
     # Has the server started?
-    if ! (ps -e | grep $server_pid) >/dev/null 2>&1; then
-	sleep 1
-	continue
+    if ! (ps -e | grep stap-serverd | grep $server_pid) >/dev/null 2>&1; then
+        sleep 1
+        continue
     fi
+    server_started=1
 
     # Is avahi advertizing the server?
     if ! (ps -fe | grep avahi-publish-service | grep $server_pid) > /dev/null 2>&1; then
 	sleep 1
 	continue
     fi
+    avahi_advertising=1
+
+    # Is the server listening?
+    if ! (ps -fe | grep stap-server-connect | grep $server_pid) > /dev/null 2>&1; then
+	sleep 1
+	continue
+    fi
+    server_listening=1
 
     # The server is ready
     echo $server_pid
     exit 0
 done
 
+echo -n "Unable to start a systemtap server: " >&2
+
+if test $server_started = 0; then
+    echo "${stap_exec_prefix}stap-serverd did not start" >&2
+elif test $avahi_advertising = 0; then
+    echo "avahi is not advertising the server" >&2
+elif test $server_listening = 0; then
+    echo "The server could not open a connection to listen on" >&2
+fi
+
+# If the server partially started, then kill it.
+test $server_started = 1 && ${stap_exec_prefix}stap-stop-server $server_pid
+
 exit 1 # server did not start