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"""Utility functions.""" |
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from kytos.core.events import KytosEvent |
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def map_evc_event_content(evc, **kwargs): |
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"""Returns a set of values from evc to be used for content""" |
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return kwargs | {"evc_id": evc.id, |
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"name": evc.name, |
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"metadata": evc.metadata, |
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"active": evc._active, |
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"enabled": evc._enabled, |
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"uni_a": evc.uni_a.as_dict(), |
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"uni_z": evc.uni_z.as_dict()} |
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def emit_event(controller, name, context="kytos/mef_eline", content=None): |
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"""Send an event when something happens with an EVC.""" |
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event_name = f"{context}.{name}" |
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event = KytosEvent(name=event_name, content=content) |
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controller.buffers.app.put(event) |
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def notify_link_available_tags(controller, link, src_func=None): |
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"""Notify link available tags.""" |
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emit_event(controller, "link_available_tags", content={ |
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"link": link, |
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"src_func": src_func |
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}) |
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def compare_endpoint_trace(endpoint, vlan, trace): |
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"""Compare and endpoint with a trace step.""" |
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if vlan and "vlan" in trace: |
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return ( |
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endpoint.switch.dpid == trace["dpid"] |
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and endpoint.port_number == trace["port"] |
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and vlan == trace["vlan"] |
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) |
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return ( |
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endpoint.switch.dpid == trace["dpid"] |
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and endpoint.port_number == trace["port"] |
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) |
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def compare_uni_out_trace(uni, trace): |
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"""Check if the trace last step (output) matches the UNI attributes.""" |
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# keep compatibility for old versions of sdntrace-cp |
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if "out" not in trace: |
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return True |
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if not isinstance(trace["out"], dict): |
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return False |
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uni_vlan = uni.user_tag.value if uni.user_tag else None |
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return ( |
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uni.interface.port_number == trace["out"].get("port") |
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and uni_vlan == trace["out"].get("vlan") |
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) |
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kytos-ng /
mef_eline
