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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
	27	class Hashes;
	28	class pkgAcqMethod
	29	{
	30	protected:
	31
	32	struct FetchItem
	33	{
	34	FetchItem *Next;
	35
	36	string Uri;
	37	string DestFile;
	38	time_t LastModified;
	39	bool IndexFile;
	40	};
	41
	42	struct FetchResult
	43	{
	44	string MD5Sum;
	45	string SHA1Sum;
	46	vector<string> GPGVOutput;
	47	time_t LastModified;
	48	bool IMSHit;
	49	string Filename;
	50	unsigned long Size;
	51	unsigned long ResumePoint;
	52
	53	void TakeHashes(Hashes &Hash);
	54	FetchResult();
	55	};
	56
	57	// State
	58	vector<string> Messages;
	59	FetchItem *Queue;
	60	FetchItem *QueueBack;
	61	string FailExtra;
	62
	63	// Handlers for messages
	64	virtual bool Configuration(string Message);
	65	virtual bool Fetch(FetchItem * /Item/) {return true;};
	66
	67	// Outgoing messages
	68	void Fail(bool Transient = false);
	69	inline void Fail(const char *Why, bool Transient = false) {Fail(string(Why),Transient);};
	70	void Fail(string Why, bool Transient = false);
	71	void URIStart(FetchResult &Res);
	72	void URIDone(FetchResult &Res,FetchResult *Alt = 0);
	73	bool MediaFail(string Required,string Drive);
	74	virtual void Exit() {};
	75
	76	public:
	77
	78	enum CnfFlags {SingleInstance = (1<<0),
	79	Pipeline = (1<<1), SendConfig = (1<<2),
	80	LocalOnly = (1<<3), NeedsCleanup = (1<<4),
	81	Removable = (1<<5)};
	82
	83	void Log(const char *Format,...);
	84	void Status(const char *Format,...);
	85
	86	int Run(bool Single = false);
	87	inline void SetFailExtraMsg(string Msg) {FailExtra = Msg;};
	88
	89	pkgAcqMethod(const char *Ver,unsigned long Flags = 0);
	90	virtual ~pkgAcqMethod() {};
	91	};
	92
	93	/** @} */
	94
	95	#endif