| 1 | #ifndef FACT_DimServerList | 
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| 2 | #define FACT_DimServerList | 
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| 3 |  | 
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| 4 | #include <vector> | 
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| 5 | #include <string> | 
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| 6 |  | 
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| 7 | #include "dic.hxx" | 
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| 8 |  | 
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| 9 | class DimServerListImp; | 
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| 10 |  | 
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| 11 | class DimServerList : public DimInfoHandler | 
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| 12 | { | 
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| 13 | public: | 
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| 14 | typedef std::vector<std::string> ServerList; | 
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| 15 |  | 
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| 16 | private: | 
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| 17 | DimServerListImp *fList; | 
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| 18 | ServerList fServerList;  /// A list with the available servers | 
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| 19 | DimInfo    fDimServers;  /// A DimInfo to retrieve the SERVER_LIST from teh DNS server | 
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| 20 |  | 
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| 21 | protected: | 
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| 22 | void infoHandler(); | 
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| 23 |  | 
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| 24 | public: | 
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| 25 | DimServerList(DimServerListImp *list); | 
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| 26 |  | 
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| 27 | /// @returns a reference to the list of servers | 
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| 28 | const ServerList &GetServerList() const { return fServerList; } | 
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| 29 |  | 
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| 30 | /// @returns whether the given server is in the list or not | 
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| 31 | /// @param server string with the server which availability should be checked | 
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| 32 | bool HasServer(const std::string &server) const; | 
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| 33 | }; | 
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| 34 |  | 
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| 35 | class DimServerListImp | 
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| 36 | { | 
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| 37 | DimServerList fList; | 
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| 38 |  | 
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| 39 | public: | 
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| 40 | DimServerListImp() : fList(this) { } | 
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| 41 | virtual ~DimServerListImp() { } | 
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| 42 |  | 
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| 43 | virtual void AddServer(const std::string &) { }; | 
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| 44 | virtual void RemoveServer(std::string) { }; | 
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| 45 | virtual void RemoveAllServers() { }; | 
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| 46 |  | 
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| 47 | /// @returns a reference to the list of servers | 
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| 48 | const DimServerList::ServerList &GetServerList() const { return fList.GetServerList(); } | 
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| 49 |  | 
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| 50 | /// @returns whether the given server is in the list or not | 
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| 51 | /// @param server string with the server which availability should be checked | 
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| 52 | bool HasServer(const std::string &server) const { return fList.HasServer(server); } | 
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| 53 | }; | 
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| 54 |  | 
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| 55 | #endif | 
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| 56 |  | 
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| 57 | // *************************************************************************** | 
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| 58 | /** @fn DimServerList::AddServer(const std::string &server) | 
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| 59 |  | 
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| 60 | This virtual function is called as a callback whenever a new server appears | 
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| 61 | to be available on the dns. | 
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| 62 |  | 
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| 63 | The default is to do nothing. | 
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| 64 |  | 
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| 65 | @param server | 
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| 66 | Server name of the server which was added | 
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| 67 |  | 
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| 68 | **/ | 
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| 69 | // *************************************************************************** | 
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| 70 | /** @fn DimServerList::RemoveServer(const std::string &server) | 
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| 71 |  | 
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| 72 | This virtual function is called as a callback whenever a server disappears | 
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| 73 | from the dns. | 
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| 74 |  | 
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| 75 | The default is to do nothing. | 
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| 76 |  | 
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| 77 | @param server | 
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| 78 | Server name of the server which was removed | 
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| 79 |  | 
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| 80 |  | 
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| 81 | **/ | 
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| 82 | // *************************************************************************** | 
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| 83 | /** @fn DimServerList::RemoveAllServers() | 
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| 84 |  | 
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| 85 | This virtual function is called as a callback whenever a all servers | 
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| 86 | disappear, e.g. the dns has vanished. | 
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| 87 |  | 
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| 88 | The default is to do nothing. | 
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| 89 |  | 
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| 90 |  | 
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| 91 | **/ | 
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| 92 | // *************************************************************************** | 
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