apt @VERSION@
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00001 // -*- mode: cpp; mode: fold -*- 00002 // Description /*{{{*/ 00003 // $Id: acquire-method.h,v 1.15.2.1 2003/12/24 23:09:17 mdz Exp $ 00004 /* ###################################################################### 00005 00006 Acquire Method - Method helper class + functions 00007 00008 These functions are designed to be used within the method task to 00009 ease communication with APT. 00010 00011 ##################################################################### */ 00012 /*}}}*/ 00013 00020 #ifndef PKGLIB_ACQUIRE_METHOD_H 00021 #define PKGLIB_ACQUIRE_METHOD_H 00022 00023 #include <apt-pkg/configuration.h> 00024 #include <apt-pkg/strutl.h> 00025 00026 #include <stdarg.h> 00027 00028 class Hashes; 00029 class pkgAcqMethod 00030 { 00031 protected: 00032 00033 struct FetchItem 00034 { 00035 FetchItem *Next; 00036 00037 string Uri; 00038 string DestFile; 00039 time_t LastModified; 00040 bool IndexFile; 00041 bool FailIgnore; 00042 }; 00043 00044 struct FetchResult 00045 { 00046 string MD5Sum; 00047 string SHA1Sum; 00048 string SHA256Sum; 00049 string SHA512Sum; 00050 vector<string> GPGVOutput; 00051 time_t LastModified; 00052 bool IMSHit; 00053 string Filename; 00054 unsigned long long Size; 00055 unsigned long long ResumePoint; 00056 00057 void TakeHashes(Hashes &Hash); 00058 FetchResult(); 00059 }; 00060 00061 // State 00062 vector<string> Messages; 00063 FetchItem *Queue; 00064 FetchItem *QueueBack; 00065 string FailReason; 00066 string UsedMirror; 00067 string IP; 00068 00069 // Handlers for messages 00070 virtual bool Configuration(string Message); 00071 virtual bool Fetch(FetchItem * /*Item*/) {return true;}; 00072 00073 // Outgoing messages 00074 void Fail(bool Transient = false); 00075 inline void Fail(const char *Why, bool Transient = false) {Fail(string(Why),Transient);}; 00076 virtual void Fail(string Why, bool Transient = false); 00077 virtual void URIStart(FetchResult &Res); 00078 virtual void URIDone(FetchResult &Res,FetchResult *Alt = 0); 00079 00080 bool MediaFail(string Required,string Drive); 00081 virtual void Exit() {}; 00082 00083 void PrintStatus(char const * const header, const char* Format, va_list &args) const; 00084 00085 public: 00086 enum CnfFlags {SingleInstance = (1<<0), 00087 Pipeline = (1<<1), SendConfig = (1<<2), 00088 LocalOnly = (1<<3), NeedsCleanup = (1<<4), 00089 Removable = (1<<5)}; 00090 00091 void Log(const char *Format,...); 00092 void Status(const char *Format,...); 00093 00094 void Redirect(const string &NewURI); 00095 00096 int Run(bool Single = false); 00097 inline void SetFailReason(string Msg) {FailReason = Msg;}; 00098 inline void SetIP(string aIP) {IP = aIP;}; 00099 00100 pkgAcqMethod(const char *Ver,unsigned long Flags = 0); 00101 virtual ~pkgAcqMethod() {}; 00102 }; 00103 00106 #endif