1 files changed, 82 insertions, 0 deletions
diff --git a/miss_htbt_service/mod/htbt_runtime_pid.py b/miss_htbt_service/mod/htbt_runtime_pid.py
new file mode 100644
index 0000000..d086ed2
--- /dev/null
+++ b/miss_htbt_service/mod/htbt_runtime_pid.py
@@ -0,0 +1,82 @@
+# ============LICENSE_START=======================================================
+# Copyright (c) 2017-2023 AT&T Intellectual Property. All rights reserved.
+# ================================================================================
+# 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.
+# ============LICENSE_END=========================================================
+
+"""
+htbt_runtime_pid maintains a 'PID file' (file that contains the
+PID of currently running trap receiver)
+"""
+
+__docformat__ = "restructuredtext"
+
+import os
+
+prog_name = os.path.basename(__file__)
+
+
+# # # # # # # # # # # # #
+# fx: save_pid - save PID of running process
+# # # # # # # # # # # # #
+def save_pid(_pid_file_name):
+    """
+    Save the current process ID in a file for external
+    access.
+    :Parameters:
+      none
+    :Exceptions:
+      file open
+        this function will catch exception of unable to
+        open/create _pid_file_name
+    :Keywords:
+      pid /var/run
+    """
+
+    try:
+        pid_fd = open(_pid_file_name, "w")
+        pid_fd.write("%d" % os.getpid())
+        pid_fd.close()
+    except IOError:
+        print("IOError saving PID file %s :" % _pid_file_name)
+        return False
+    else:
+        return True
+
+
+# # # # # # # # # # # # #
+# fx: rm_pid - remove PID of running process
+# # # # # # # # # # # # #
+def rm_pid(_pid_file_name):
+    """
+    Remove the current process ID file before exiting.
+    :Parameters:
+      none
+    :Exceptions:
+      file open
+        this function will catch exception of unable to find or remove
+        _pid_file_name
+    :Keywords:
+      pid /var/run
+    """
+
+    try:
+        if os.path.isfile(_pid_file_name):
+            os.remove(_pid_file_name)
+            return True
+        else:
+            return False
+
+    except IOError:
+        print("Error removing Runtime PID file:    %s" % _pid_file_name)
+        return False