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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	string SHA256Sum;
	47	vector<string> GPGVOutput;
	48	time_t LastModified;
	49	bool IMSHit;
	50	string Filename;
	51	unsigned long Size;
	52	unsigned long ResumePoint;
	53
	54	void TakeHashes(Hashes &Hash);
	55	FetchResult();
	56	};
	57
	58	// State
	59	vector<string> Messages;
	60	FetchItem *Queue;
	61	FetchItem *QueueBack;
	62	string FailExtra;
	63
	64	// Handlers for messages
	65	virtual bool Configuration(string Message);
	66	virtual bool Fetch(FetchItem * /Item/) {return true;};
	67
	68	// Outgoing messages
	69	void Fail(bool Transient = false);
	70	inline void Fail(const char *Why, bool Transient = false) {Fail(string(Why),Transient);};
	71	void Fail(string Why, bool Transient = false);
	72	void URIStart(FetchResult &Res);
	73	void URIDone(FetchResult &Res,FetchResult *Alt = 0);
	74	bool MediaFail(string Required,string Drive);
	75	virtual void Exit() {};
	76
	77	public:
	78
	79	enum CnfFlags {SingleInstance = (1<<0),
	80	Pipeline = (1<<1), SendConfig = (1<<2),
	81	LocalOnly = (1<<3), NeedsCleanup = (1<<4),
	82	Removable = (1<<5)};
	83
	84	void Log(const char *Format,...);
	85	void Status(const char *Format,...);
	86
	87	void Redirect(const string &NewURI);
	88
	89	int Run(bool Single = false);
	90	inline void SetFailExtraMsg(string Msg) {FailExtra = Msg;};
	91
	92	pkgAcqMethod(const char *Ver,unsigned long Flags = 0);
	93	virtual ~pkgAcqMethod() {};
	94	};
	95
	96	/** @} */
	97
	98	#endif