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 00027 class Hashes; 00028 class pkgAcqMethod 00029 { 00030 protected: 00031 00032 struct FetchItem 00033 { 00034 FetchItem *Next; 00035 00036 string Uri; 00037 string DestFile; 00038 time_t LastModified; 00039 bool IndexFile; 00040 bool FailIgnore; 00041 }; 00042 00043 struct FetchResult 00044 { 00045 string MD5Sum; 00046 string SHA1Sum; 00047 string SHA256Sum; 00048 vector<string> GPGVOutput; 00049 time_t LastModified; 00050 bool IMSHit; 00051 string Filename; 00052 unsigned long Size; 00053 unsigned long ResumePoint; 00054 00055 void TakeHashes(Hashes &Hash); 00056 FetchResult(); 00057 }; 00058 00059 // State 00060 vector<string> Messages; 00061 FetchItem *Queue; 00062 FetchItem *QueueBack; 00063 string FailReason; 00064 string UsedMirror; 00065 string IP; 00066 00067 // Handlers for messages 00068 virtual bool Configuration(string Message); 00069 virtual bool Fetch(FetchItem * /*Item*/) {return true;}; 00070 00071 // Outgoing messages 00072 void Fail(bool Transient = false); 00073 inline void Fail(const char *Why, bool Transient = false) {Fail(string(Why),Transient);}; 00074 virtual void Fail(string Why, bool Transient = false); 00075 virtual void URIStart(FetchResult &Res); 00076 virtual void URIDone(FetchResult &Res,FetchResult *Alt = 0); 00077 00078 bool MediaFail(string Required,string Drive); 00079 virtual void Exit() {}; 00080 00081 public: 00082 enum CnfFlags {SingleInstance = (1<<0), 00083 Pipeline = (1<<1), SendConfig = (1<<2), 00084 LocalOnly = (1<<3), NeedsCleanup = (1<<4), 00085 Removable = (1<<5)}; 00086 00087 void Log(const char *Format,...); 00088 void Status(const char *Format,...); 00089 00090 void Redirect(const string &NewURI); 00091 00092 int Run(bool Single = false); 00093 inline void SetFailReason(string Msg) {FailReason = Msg;}; 00094 inline void SetIP(string aIP) {IP = aIP;}; 00095 00096 pkgAcqMethod(const char *Ver,unsigned long Flags = 0); 00097 virtual ~pkgAcqMethod() {}; 00098 }; 00099 00102 #endif