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| Original file line number | Diff line number | Diff line change |
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| #pragma once | ||
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| #include "../ServiceDescription.h" | ||
| #include "Result.h" | ||
| #include "dnssd/bonjour/Service.h" | ||
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| #include <functional> | ||
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| namespace dnssd | ||
| { | ||
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| /** | ||
| * Interface class which represents a Bonjour browser. | ||
| */ | ||
| class BrowserBase | ||
| { | ||
| public: | ||
| using ServiceDiscoveredAsyncCallback = std::function<void (const ServiceDescription& serviceDescription)>; | ||
| using ServiceRemovedAsyncCallback = std::function<void (const ServiceDescription& serviceDescription)>; | ||
| using ServiceResolvedAsyncCallback = | ||
| std::function<void (const ServiceDescription& serviceDescription, uint32_t interfaceIndex)>; | ||
| using AddressAddedAsyncCallback = std::function< | ||
| void (const ServiceDescription& serviceDescription, const std::string& address, uint32_t interfaceIndex)>; | ||
| using AddressRemovedAsyncCallback = std::function< | ||
| void (const ServiceDescription& serviceDescription, const std::string& address, uint32_t interfaceIndex)>; | ||
| using BrowseErrorAsyncCallback = std::function<void (const Result& error)>; | ||
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| BrowserBase() = default; | ||
| virtual ~BrowserBase() = default; | ||
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| /** | ||
| * Starts browsing for a service | ||
| * @param serviceType The service type (ie. _http._tcp.). | ||
| * @return Returns an Result indicating success or failure. | ||
| */ | ||
| virtual Result browseFor (const std::string& serviceType) = 0; | ||
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| /** | ||
| * Sets a callback which gets called when a service was discovered. | ||
| * Note: this call will be made from a background thread and wil not be synchronised. | ||
| * @param callback Callback with a reference to the ServiceDescription of this service. | ||
| */ | ||
| virtual void onServiceDiscovered (ServiceDiscoveredAsyncCallback callback) | ||
| { | ||
| onServiceDiscoveredCallback = std::move (callback); | ||
| } | ||
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| /** | ||
| * Sets a callback which gets called when a service was removed. | ||
| * Note: this call will be made from a background thread and wil not be synchronised. | ||
| * @param callback Callback with the ServiceDescription of the removed service, which will also get removed after | ||
| * this call. | ||
| */ | ||
| virtual void onServiceRemoved (ServiceRemovedAsyncCallback callback) | ||
| { | ||
| onServiceRemovedCallback = std::move (callback); | ||
| } | ||
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| /** | ||
| * Sets a callback which gets called when a service was resolved (ie. address information was resolved). | ||
| * Note: this call will be made from a background thread and wil not be synchronised. | ||
| * @param callback Callback with the service description and the index of the interface on which the service was | ||
| * resolved on. | ||
| */ | ||
| virtual void onServiceResolved (ServiceResolvedAsyncCallback callback) | ||
| { | ||
| onServiceResolvedCallback = std::move (callback); | ||
| } | ||
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| /** | ||
| * Sets a callback which gets called when an address became available (ie. service became reachable on this | ||
| * address). Note: this call will be made from a background thread and wil not be synchronised. | ||
| * @param callback Callback with the service description, the added address and the interface index. | ||
| */ | ||
| virtual void onAddressAdded (AddressAddedAsyncCallback callback) | ||
| { | ||
| onAddressAddedCallback = std::move (callback); | ||
| } | ||
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| /** | ||
| * Sets a callback which gets called when an address became unavailable (ie. service no longer reachable on this | ||
| * address). Note: this call will be made from a background thread and wil not be synchronised. | ||
| * @param callback Callback with the service description, the added address and the interface index. | ||
| */ | ||
| virtual void onAddressRemoved (AddressRemovedAsyncCallback callback) | ||
| { | ||
| onAddressRemovedCallback = std::move (callback); | ||
| } | ||
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| /** | ||
| * Sets a callback which gets called when there was an error during browsing for a service. | ||
| * Note: this call will be made from a background thread and wil not be synchronised. | ||
| * @param callback A callback with a Result indicating what problem occurred. | ||
| */ | ||
| virtual void onBrowseError (BrowseErrorAsyncCallback callback) | ||
| { | ||
| onBrowseErrorCallback = std::move (callback); | ||
| } | ||
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| protected: | ||
| friend Service; | ||
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| ServiceDiscoveredAsyncCallback onServiceDiscoveredCallback; | ||
| ServiceResolvedAsyncCallback onServiceResolvedCallback; | ||
| ServiceRemovedAsyncCallback onServiceRemovedCallback; | ||
| AddressAddedAsyncCallback onAddressAddedCallback; | ||
| AddressRemovedAsyncCallback onAddressRemovedCallback; | ||
| BrowseErrorAsyncCallback onBrowseErrorCallback; | ||
| }; | ||
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| } // namespace dnssd |
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