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