--- /dev/null
+#!/bin/bash
+#
+# Copyright (C) - 2019 Jonathan Rajotte-Julien <jonathan.rajotte-julien@efficios.com>
+#
+# This library is free software; you can redistribute it and/or modify it under
+# the terms of the GNU Lesser General Public License as published by the Free
+# Software Foundation; version 2.1 of the License.
+#
+# This library is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+# FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
+# details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# along with this library; if not, write to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+
+TEST_DESC="Clear - UST tracing"
+
+CURDIR=$(dirname $0)/
+TESTDIR=$CURDIR/../../..
+EVENT_NAME="tp:tptest"
+SESSION_NAME=""
+TESTAPP_PATH="$TESTDIR/utils/testapp"
+TESTAPP_NAME="gen-ust-events"
+TESTAPP_BIN="$TESTAPP_PATH/$TESTAPP_NAME/$TESTAPP_NAME"
+
+NUM_TESTS=69
+
+TRACE_PATH=$(mktemp -d)
+
+source $TESTDIR/utils/utils.sh
+
+if [ ! -x "$TESTAPP_BIN" ]; then
+ BAIL_OUT "No UST events binary detected."
+fi
+
+function clean_path ()
+{
+ local trace_path=$1
+ set -u
+ rm -rf $trace_path/*
+ set +u
+}
+
+function test_ust_streaming ()
+{
+ diag "Test ust streaming clear"
+ create_lttng_session_uri $SESSION_NAME net://localhost
+ enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME
+ start_lttng_tracing_ok $SESSION_NAME
+ # TODO: place holder, support for streaming MUST be implemented
+ # This validate that for now we fail correctly
+ lttng_clear_session_fail $SESSION_NAME
+
+ destroy_lttng_session_ok $SESSION_NAME
+}
+
+function test_ust_streaming_live ()
+{
+ diag "Test ust streaming live clear"
+ create_lttng_session_uri $SESSION_NAME net://localhost "--live"
+ enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME
+ start_lttng_tracing_ok $SESSION_NAME
+ # TODO: place holder, support for streaming MUST be implemented
+ # This validate that for now we fail correctly
+ lttng_clear_session_fail $SESSION_NAME
+
+ destroy_lttng_session_ok $SESSION_NAME
+}
+
+function test_ust_local ()
+{
+ diag "Test ust local"
+ create_lttng_session_ok $SESSION_NAME $TRACE_PATH
+ enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME
+ start_lttng_tracing_ok $SESSION_NAME
+ # TODO: place holder, support for local MUST be implemented
+ lttng_clear_session_fail $SESSION_NAME
+ # TODO: validate that the previous chunk IS no more present
+
+ destroy_lttng_session_ok $SESSION_NAME
+}
+
+function do_ust_snapshot ()
+{
+ local session_name=$1
+ local trace_path=$2
+
+ enable_ust_lttng_event_ok $session_name $EVENT_NAME
+ start_lttng_tracing_ok $session_name
+
+ # Generate 10 events that will sit in the buffers.
+ $TESTAPP_BIN -i 10
+
+ # Take a first snapshot and validate that the events are present.
+ lttng_snapshot_record $session_name
+ stop_lttng_tracing_ok $session_name
+ validate_trace_count $EVENT_NAME $trace_path 10
+
+ # Clean the output path
+ clean_path $trace_path
+ start_lttng_tracing_ok $session_name
+
+ lttng_clear_session_ok $session_name
+
+ # Make sure the subsequent snapshot is empty and valid.
+ lttng_snapshot_record $session_name
+ stop_lttng_tracing_ok $session_name
+ validate_trace_empty $trace_path
+
+ # Clean the output path
+ clean_path $trace_path
+ start_lttng_tracing_ok $session_name
+
+ # Make sure that everything still works, generate events and take a
+ # snapshot.
+ $TESTAPP_BIN -i 10
+ lttng_snapshot_record $session_name
+ stop_lttng_tracing_ok $session_name
+ validate_trace_count $EVENT_NAME $trace_path 10
+}
+
+function test_ust_streaming_snapshot ()
+{
+ diag "Test ust streaming snapshot clear"
+
+ create_lttng_session_uri $SESSION_NAME net://localhost "--snapshot"
+ do_ust_snapshot $SESSION_NAME $TRACE_PATH
+ destroy_lttng_session_ok $SESSION_NAME
+}
+
+function test_ust_local_snapshot ()
+{
+ diag "Test ust local snapshot clear"
+
+ create_lttng_session_ok $SESSION_NAME $TRACE_PATH "--snapshot"
+ do_ust_snapshot $SESSION_NAME $TRACE_PATH
+ destroy_lttng_session_ok $SESSION_NAME
+}
+
+function test_ust_local_snapshot_per_pid ()
+{
+ diag "Test ust local snapshot clear per pid "
+ local channel_name="channel0"
+ local file_sync_before_last=$(mktemp -u)
+ local file_sync_before_last_touch=$(mktemp -u)
+
+ create_lttng_session_ok $SESSION_NAME $TRACE_PATH "--snapshot"
+ enable_ust_lttng_channel_ok $SESSION_NAME $channel_name --buffers-pid
+ enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME $channel_name
+ start_lttng_tracing_ok $SESSION_NAME
+
+ # Generate 10 events that will sit in the buffers.
+ $TESTAPP_BIN -i 10 -w 0 \
+ --sync-before-last-event ${file_sync_before_last} \
+ --sync-before-last-event-touch ${file_sync_before_last_touch} >/dev/null 2>&1 &
+
+ # Continue only when there is only the last event remaining.
+ while [ ! -f "${file_sync_before_last_touch}" ]; do
+ sleep 0.5
+ done
+
+ # Take a first snapshot and validate that the events are present.
+ lttng_snapshot_record $SESSION_NAME
+ stop_lttng_tracing_ok $SESSION_NAME
+ validate_trace_count $EVENT_NAME $TRACE_PATH 9
+
+ # Clean the output path
+ clean_path $TRACE_PATH
+ start_lttng_tracing_ok $SESSION_NAME
+
+ lttng_clear_session_ok $SESSION_NAME
+
+ # Make sure the subsequent snapshot is empty and valid.
+ lttng_snapshot_record $SESSION_NAME
+ stop_lttng_tracing_ok $SESSION_NAME
+ validate_trace_empty $TRACE_PATH
+
+ touch ${file_sync_before_last}
+ wait
+ destroy_lttng_session_ok $SESSION_NAME
+
+ rm -f ${file_sync_before_last}
+ rm -f ${file_sync_before_last_touch}
+}
+
+plan_tests $NUM_TESTS
+
+print_test_banner "$TEST_DESC"
+
+
+tests=(
+ test_ust_streaming
+ test_ust_streaming_live
+ test_ust_local
+ test_ust_streaming_snapshot
+ test_ust_local_snapshot
+ test_ust_local_snapshot_per_pid
+)
+
+start_lttng_relayd "-o $TRACE_PATH"
+start_lttng_sessiond
+
+for fct_test in ${tests[@]};
+do
+ SESSION_NAME=$(randstring 16 0)
+ ${fct_test}
+ clean_path $TRACE_PATH
+done
+
+stop_lttng_sessiond
+stop_lttng_relayd