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Merge pull request #84 from ronkorving/master
Get node_mdns up to speed
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,31 @@ | ||
| #!/usr/bin/env node | ||
| var mdns = require('../lib/mdns') | ||
| , listOfOscDevices = { /*name: {adresses: ['192.168.0.24', 'fe80::0:18'], port: 10001}}*/ } | ||
| ; | ||
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| var mdnsBrowser = mdns.createBrowser(mdns.udp('osc')); | ||
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| mdnsBrowser.on('serviceUp', function(service) { | ||
| // ignore duplicate ups | ||
| if(listOfOscDevices[service.name]) return; | ||
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| listOfOscDevices[service.name] = {'addresses': service.addresses, 'port': service.port}; | ||
| var cnt = Object.keys(listOfOscDevices).length; | ||
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| console.log('osc device "'+service.name+' up at '+service.addresses[0]+':'+service.port+', now '+cnt+' devices on the net'); | ||
| }); | ||
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| mdnsBrowser.on('serviceDown', function(service) { | ||
| // ignore duplicate downs | ||
| if(!listOfOscDevices[service.name]) return; | ||
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| var device = listOfOscDevices[service.name]; | ||
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| delete listOfOscDevices[service.name]; | ||
| var cnt = Object.keys(listOfOscDevices).length; | ||
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| console.log('osc device "'+service.name+' up at '+device.addresses[0]+':'+device.port+', now '+cnt+' devices on the net'); | ||
| }); | ||
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| console.log('listening for osc-compatible devices on the net') | ||
| mdnsBrowser.start(); |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,72 @@ | ||
| var st = require('../lib/service_type.js') | ||
| , dns_sd = require('../lib/dns_sd') | ||
| , proxyquire = require('proxyquire') | ||
| ; | ||
|
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| //=== Browser =========================================================== | ||
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| module.exports["Browser"] = { | ||
| "Should retrieve interface name from cache when interface index is no longer valid": function(test) { | ||
| var callback = null | ||
| , invocations = 0 | ||
| , threwException = false | ||
| , interfaceName = "foo" | ||
| , serviceName = "_foo._tcp."; | ||
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| var mock_dns_sd = { | ||
| kDNSServiceErr_NoError: dns_sd.kDNSServiceErr_NoError, | ||
| kDNSServiceInterfaceIndexLocalOnly: dns_sd.kDNSServiceInterfaceIndexLocalOnly, | ||
| kDNSServiceFlagsAdd: dns_sd.kDNSServiceFlagsAdd, | ||
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| // we stub the if_indextoname method | ||
| if_indextoname: function() { | ||
| invocations++; | ||
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| if(invocations == 1) { | ||
| return interfaceName; | ||
| } | ||
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| threwException = true; | ||
| throw new Error("Panic!"); | ||
| }, | ||
| // and stub DNSServiceBrowse to expose a reference to the passed callback | ||
| DNSServiceBrowse: function(sdRef, flags, ifaceIdx, serviceType, domain, on_service_changed, context) { | ||
| callback = function() { | ||
| // pass 1 as the interface index so we don't try to find the name for loopback | ||
| on_service_changed(sdRef, flags, 1, dns_sd.kDNSServiceErr_NoError, serviceName, serviceType, domain, context); | ||
| }; | ||
| } | ||
| }; | ||
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| // we're going to expect two invocations, one where the interface is present and one where it's not | ||
| var serviceDownInvocations = 0; | ||
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| // create the browser with our mock of dns_sd | ||
| var browser = proxyquire('../lib/browser.js', { './dns_sd': mock_dns_sd }).Browser.create(serviceName); | ||
| browser.on("serviceDown", function(service) { | ||
| serviceDownInvocations++; | ||
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| if(serviceDownInvocations == 1) { | ||
| // first invocation, should have interface name from dns_sd callback | ||
| test.equal(service.networkInterface, interfaceName); | ||
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| // should not have thrown an exception yet | ||
| test.ok( ! threwException); | ||
| } | ||
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| if(serviceDownInvocations == 2) { | ||
| // second invocation, should have thrown an exception in the callback | ||
| test.ok(threwException); | ||
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| // should still have the interface name even though we threw an exception | ||
| test.equal(service.networkInterface, interfaceName); | ||
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| test.done(); | ||
| } | ||
| }); | ||
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| // simulate two MDNS events, this will trigger the serviceDown event we listen for above. | ||
| callback(); | ||
| callback(); | ||
| } | ||
| } |