def handle_client_connection(conn, addr):
"""
This method is responsible to Handle a client connection and creating two background threads...One for handling
client request pdus and other for delivering smses to client..
"""
print("Accepted connection from: " + repr(addr))
server_session = SMPPSession('server', conn)
server_session.server_db_store = SMPPServer.db_storage
server_session.server_validate_method = SMPPServer.validate
server_session.server_query_result = SMPPServer.query_result
server_session.server_cancel_result = SMPPServer.cancel_result
server_session.server_replace_result = SMPPServer.replace_result
server_session.sever_fetch_sms = fetch_incoming_sms
server_session.commit_db = commit_db
# background thread 1 to handle client request pdus by recieving them from socket and storing them in dictionary
background_thread = threading.Thread(target=handle_client_requests, args=(server_session, conn))
background_thread.start()
# background thread 2 to check database for messages after every 5secs and deliever smses to client if any
background_thread2 = threading.Thread(target=deliver_sms, args=(server_session, conn))
background_thread2.start()
# parent thread
# current thread for sending responses to client
while server_session.state != SessionState.UNBOUND:
server_session.handle_pdu()
conn.close()
#time.sleep(1)
background_thread.join()
background_thread2.join()
