@Override public boolean isReachable(DeviceId deviceId) { OpenFlowSwitch sw = controller.getSwitch(dpid(deviceId.uri())); return sw != null && sw.isConnected(); }
@Override public void triggerProbe(DeviceId deviceId) { LOG.debug("Triggering probe on device {}", deviceId); final Dpid dpid = dpid(deviceId.uri()); OpenFlowSwitch sw = controller.getSwitch(dpid); if (sw == null || !sw.isConnected()) { LOG.error("Failed to probe device {} on sw={}", deviceId, sw); providerService.deviceDisconnected(deviceId); return; } else { LOG.trace("Confirmed device {} connection", deviceId); } // Prompt an update of port information. We can use any XID for this. OFFactory fact = sw.factory(); switch (fact.getVersion()) { case OF_10: sw.sendMsg(fact.buildFeaturesRequest().setXid(0).build()); break; case OF_13: sw.sendMsg(fact.buildPortDescStatsRequest().setXid(0).build()); break; default: LOG.warn("Unhandled protocol version"); } }
@Override public void changePortState(DeviceId deviceId, PortNumber portNumber, boolean enable) { final Dpid dpid = dpid(deviceId.uri()); OpenFlowSwitch sw = controller.getSwitch(dpid); if (sw == null || !sw.isConnected()) { LOG.error("Failed to change portState on device {}", deviceId); return; } OFPortMod.Builder pmb = sw.factory().buildPortMod(); OFPort port = OFPort.of((int) portNumber.toLong()); pmb.setPortNo(port); if (enable) { pmb.setConfig(0x0); // port_down bit 0 } else { pmb.setConfig(0x1); // port_down bit 1 } pmb.setMask(0x1); pmb.setAdvertise(0x0); for (OFPortDesc pd : sw.getPorts()) { if (pd.getPortNo().equals(port)) { pmb.setHwAddr(pd.getHwAddr()); break; } } sw.sendMsg(Collections.singletonList(pmb.build())); }