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1// -*- mode: cpp; mode: fold -*-
2// Description /*{{{*/
b3d44315 3// $Id: acquire-method.h,v 1.15.2.1 2003/12/24 23:09:17 mdz Exp $
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4/* ######################################################################
5
6 Acquire Method - Method helper class + functions
7
8 These functions are designed to be used within the method task to
9 ease communication with APT.
10
11 ##################################################################### */
12 /*}}}*/
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13
14/** \addtogroup acquire
15 * @{
16 *
17 * \file acquire-method.h
18 */
19
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20#ifndef PKGLIB_ACQUIRE_METHOD_H
21#define PKGLIB_ACQUIRE_METHOD_H
22
23#include <apt-pkg/configuration.h>
cdcc6d34 24#include <apt-pkg/strutl.h>
93bf083d 25
f1bdfe81 26#include <stdarg.h>
93bf083d 27
a7c835af 28class Hashes;
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29class pkgAcqMethod
30{
31 protected:
93bf083d 32
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33 struct FetchItem
34 {
35 FetchItem *Next;
36
37 string Uri;
38 string DestFile;
39 time_t LastModified;
a72ace20 40 bool IndexFile;
963b16dc 41 bool FailIgnore;
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42 };
43
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44 struct FetchResult
45 {
46 string MD5Sum;
a7c835af 47 string SHA1Sum;
5d0d7fae 48 string SHA256Sum;
b3d44315 49 vector<string> GPGVOutput;
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50 time_t LastModified;
51 bool IMSHit;
52 string Filename;
53 unsigned long Size;
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54 unsigned long ResumePoint;
55
56 void TakeHashes(Hashes &Hash);
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57 FetchResult();
58 };
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59
60 // State
61 vector<string> Messages;
62 FetchItem *Queue;
5cb5d8dc 63 FetchItem *QueueBack;
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64 string FailReason;
65 string UsedMirror;
66 string IP;
b2e465d6 67
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68 // Handlers for messages
69 virtual bool Configuration(string Message);
727f18af 70 virtual bool Fetch(FetchItem * /*Item*/) {return true;};
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71
72 // Outgoing messages
a72ace20 73 void Fail(bool Transient = false);
958fac63 74 inline void Fail(const char *Why, bool Transient = false) {Fail(string(Why),Transient);};
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75 virtual void Fail(string Why, bool Transient = false);
76 virtual void URIStart(FetchResult &Res);
77 virtual void URIDone(FetchResult &Res,FetchResult *Alt = 0);
78
018f1533 79 bool MediaFail(string Required,string Drive);
459681d3 80 virtual void Exit() {};
8e5fc8f5 81
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82 void PrintStatus(char const * const header, const char* Format, va_list &args) const;
83
93bf083d 84 public:
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85 enum CnfFlags {SingleInstance = (1<<0),
86 Pipeline = (1<<1), SendConfig = (1<<2),
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87 LocalOnly = (1<<3), NeedsCleanup = (1<<4),
88 Removable = (1<<5)};
93bf083d 89
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90 void Log(const char *Format,...);
91 void Status(const char *Format,...);
92
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93 void Redirect(const string &NewURI);
94
be4401bf 95 int Run(bool Single = false);
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96 inline void SetFailReason(string Msg) {FailReason = Msg;};
97 inline void SetIP(string aIP) {IP = aIP;};
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98
99 pkgAcqMethod(const char *Ver,unsigned long Flags = 0);
100 virtual ~pkgAcqMethod() {};
101};
102
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103/** @} */
104
93bf083d 105#endif