apt
1.5
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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 <stdarg.h> 00024 00025 #include <string> 00026 #include <vector> 00027 00028 #ifndef APT_8_CLEANER_HEADERS 00029 #include <apt-pkg/configuration.h> 00030 #include <apt-pkg/strutl.h> 00031 #endif 00032 00033 class Hashes; 00034 class pkgAcqMethod 00035 { 00036 protected: 00037 00038 struct FetchItem 00039 { 00040 FetchItem *Next; 00041 00042 std::string Uri; 00043 std::string DestFile; 00044 time_t LastModified; 00045 bool IndexFile; 00046 bool FailIgnore; 00047 }; 00048 00049 struct FetchResult 00050 { 00051 std::string MD5Sum; 00052 std::string SHA1Sum; 00053 std::string SHA256Sum; 00054 std::string SHA512Sum; 00055 std::vector<std::string> GPGVOutput; 00056 time_t LastModified; 00057 bool IMSHit; 00058 std::string Filename; 00059 unsigned long long Size; 00060 unsigned long long ResumePoint; 00061 00062 void TakeHashes(Hashes &Hash); 00063 FetchResult(); 00064 }; 00065 00066 // State 00067 std::vector<std::string> Messages; 00068 FetchItem *Queue; 00069 FetchItem *QueueBack; 00070 std::string FailReason; 00071 std::string UsedMirror; 00072 std::string IP; 00073 00074 // Handlers for messages 00075 virtual bool Configuration(std::string Message); 00076 virtual bool Fetch(FetchItem * /*Item*/) {return true;}; 00077 00078 // Outgoing messages 00079 void Fail(bool Transient = false); 00080 inline void Fail(const char *Why, bool Transient = false) {Fail(std::string(Why),Transient);}; 00081 virtual void Fail(std::string Why, bool Transient = false); 00082 virtual void URIStart(FetchResult &Res); 00083 virtual void URIDone(FetchResult &Res,FetchResult *Alt = 0); 00084 00085 bool MediaFail(std::string Required,std::string Drive); 00086 virtual void Exit() {}; 00087 00088 void PrintStatus(char const * const header, const char* Format, va_list &args) const; 00089 00090 public: 00091 enum CnfFlags {SingleInstance = (1<<0), 00092 Pipeline = (1<<1), SendConfig = (1<<2), 00093 LocalOnly = (1<<3), NeedsCleanup = (1<<4), 00094 Removable = (1<<5)}; 00095 00096 void Log(const char *Format,...); 00097 void Status(const char *Format,...); 00098 00099 void Redirect(const std::string &NewURI); 00100 00101 int Run(bool Single = false); 00102 inline void SetFailReason(std::string Msg) {FailReason = Msg;}; 00103 inline void SetIP(std::string aIP) {IP = aIP;}; 00104 00105 pkgAcqMethod(const char *Ver,unsigned long Flags = 0); 00106 virtual ~pkgAcqMethod() {}; 00107 }; 00108 00111 #endif