Restrict dlt-receive to write max. n-bytes

 - dlt-receive gets a new parameter to restrict the maximum size of the
   written file. When the limit is exceeded, a new file is opened
 - testscript (bash) in src/tests provided to demonstrate functionality

Signed-off-by: Stefan Vacek <stefan.vacek@intel.com>

1 files changed, 72 insertions, 0 deletions

diff --git a/src/tests/dlt-test-receiver-multiple-files.sh b/src/tests/dlt-test-receiver-multiple-files.sh
new file mode 100755
index 0000000..013cbe6
--- /dev/null
+++ b/src/tests/dlt-test-receiver-multiple-files.sh
@@ -0,0 +1,72 @@
+#!/bin/bash
+
+# check if dlt-daemon is running
+daemon_running=`/usr/bin/ps -C dlt-daemon | wc -l`
+daemon_pid=0
+
+if [ "$daemon_running" -lt "2" ]; then
+  echo "No daemon running, starting one myself"
+  /usr/bin/dlt-daemon > /tmp/dlt_daemon_dlt_receiver_test.txt & 
+  daemon_pid=$!
+  echo "daemon pid: " ${daemon_pid}
+else
+  echo "dlt-daemon already running"
+fi
+
+# create a directory in /tmp where all logs will be stored
+output_dir=`mktemp -d /tmp/DLT_TESTING_XXXXXX`
+echo "Using directory " ${output_dir}
+
+# start dlt-receive (in background) and store PID
+echo "Starting dlt-receive"
+/usr/bin/dlt-receive -o ${output_dir}/dlt_test.dlt localhost &
+dlt_receive_pid=$!
+disown
+
+# start dlt-example-user to create some logs
+# sleep time: 100ms
+# number of messages: 10
+/usr/bin/dlt-example-user -g -d 100 -n 10 TEST_MESSAGE_ONE
+
+# stop dlt-receive
+kill ${dlt_receive_pid}
+
+# show content of /tmp
+echo "log-file after first run"
+ls -l ${output_dir}
+
+# start dlt-receive (in background) and store PID
+echo "Starting dlt-receive"
+/usr/bin/dlt-receive -o ${output_dir}/dlt_test.dlt localhost &
+dlt_receive_pid=$!
+disown
+
+# start dlt-example-user to create some logs (use different number of messages)
+/usr/bin/dlt-example-user -d 100 -n 20 TEST_MESSAGE_TWO
+
+# show content of /tmp --> original file was overwritten
+kill ${dlt_receive_pid}
+echo "log-file after second run"
+ls -l ${output_dir}
+
+# start dlt-receive with small maximum file size (in background) and store PID
+echo "Starting dlt-receive"
+/usr/bin/dlt-receive -o ${output_dir}/dlt_test.dlt -c 3K localhost &
+dlt_receive_pid=$!
+disown
+
+# start dlt-example-user to create some logs (use even more messages then before) 
+/usr/bin/dlt-example-user -d 20 -n 500 TEST_MESSAGE_THREE
+
+# show content of /tmp --> multiple files were created, the original file was preserved
+echo "log-file after third run (should show multiple files)"
+ls -l ${output_dir}
+
+# directory will not be cleaned up
+echo "Used directory " ${output_dir}
+
+
+if [ "${daemon_pid}" -ne "0" ]; then
+  sleep 1
+  kill ${daemon_pid}
+fi