Protocol

secsgem.hsms.protocol.HsmsProtocol has the basic HSMS connection handling build in. It automatically selects and deselects the link and performs a periodic linktest. It also replies to incoming HSMS requests like linktest automatically.

>>> def on_connect(event, data):
...     print "Connected"
...
>>> client = secsgem.hsms.HsmsProtocol("10.211.55.33", 5000, False, 0, "test")
>>> client.events.connected += on_connect
>>> client.enable()
Connected
>>> client.protocol.send_linktest_req()
HsmsMessage({'header': HsmsHeader({session_id:0xffff, stream:00, function:00, p_type:0x00, s_type:0x06, system:0x75b78c48, require_response:False}), 'data': ''})
>>> client.disable()

The handler has functions to send requests and responses and wait for a certain response.

Events

Events of the handler can be received with the help of secsgem.common.EventHandler{.interpreted-text role=”class”}. The handler sends the following events:

Event name	Description
connected	Connection was established
communicating	Connection was selected
disconnected	Connection was terminated

For an example on how to use these events see the code fragment above.