Adds a third example for the HTTP transport

Signed-off-by: Jürgen Löhel <juergen.loehel@inlyse.com>

example3.py

@@ -0,0 +1,50 @@
+# -*- coding: utf-8 -*-
+
+import logging
+
+from logstash_async.transport import HttpTransport
+from logstash_async.handler import AsynchronousLogstashHandler
+
+host = 'localhost'
+port = 5959
+
+logger = logging.getLogger("logstash_async.transport")
+logger.setLevel(logging.DEBUG)
+handler = logging.StreamHandler()
+logging_format = "%(asctime)s.%(msecs)03d"
+logging_format += " | %(levelname)-8s"
+logging_format += " | %(name)s.%(module)s.%(funcName)s"
+logging_format += " | %(message)s"
+date_format = "%Y-%m-%d | %H:%M:%S"
+formatter = logging.Formatter(logging_format, date_format)
+handler.setFormatter(formatter)
+logger.addHandler(handler)
+
+test_logger = logging.getLogger("test")
+test_logger.setLevel(logging.DEBUG)
+transport = HttpTransport(
+    host,
+    port,
+    ssl_enable=False,
+    timeout=5.0,
+    username="logstash",
+    password="testing",
+)
+handler = AsynchronousLogstashHandler(
+    host,
+    port,
+    ssl_enable=False,
+    transport=transport,
+    database_path='logstash_test.db'
+)
+test_logger.addHandler(handler)
+
+# These tests crash logstash if the heap space is not enough
+for _ in range(11):
+    test_logger.critical('A' * 10 * 1024 * 1024)
+test_logger.fatal("A" * 100 * 1024 * 1024)
+
+for i in range(50):
+    test_logger.info("test %s", i)
+
+test_logger.info("end")