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Commit	Line	Data
	1	// -- mode: cpp; mode: fold --
	2	// Description /{{{/
	3	// $Id: acquire-method.h,v 1.15 2001/03/13 06:51:46 jgg 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	#ifndef PKGLIB_ACQUIRE_METHOD_H
	14	#define PKGLIB_ACQUIRE_METHOD_H
	15
	16	#include <apt-pkg/configuration.h>
	17	#include <apt-pkg/strutl.h>
	18
	19	#ifdef __GNUG__
	20	#pragma interface "apt-pkg/acquire-method.h"
	21	#endif
	22
	23	class Hashes;
	24	class pkgAcqMethod
	25	{
	26	protected:
	27
	28	struct FetchItem
	29	{
	30	FetchItem *Next;
	31
	32	string Uri;
	33	string DestFile;
	34	time_t LastModified;
	35	bool IndexFile;
	36	};
	37
	38	struct FetchResult
	39	{
	40	string MD5Sum;
	41	string SHA1Sum;
	42	time_t LastModified;
	43	bool IMSHit;
	44	string Filename;
	45	unsigned long Size;
	46	unsigned long ResumePoint;
	47
	48	void TakeHashes(Hashes &Hash);
	49	FetchResult();
	50	};
	51
	52	// State
	53	vector<string> Messages;
	54	FetchItem *Queue;
	55	FetchItem *QueueBack;
	56	string FailExtra;
	57
	58	// Handlers for messages
	59	virtual bool Configuration(string Message);
	60	virtual bool Fetch(FetchItem * /Item/) {return true;};
	61
	62	// Outgoing messages
	63	void Fail(bool Transient = false);
	64	inline void Fail(const char *Why, bool Transient = false) {Fail(string(Why),Transient);};
	65	void Fail(string Why, bool Transient = false);
	66	void URIStart(FetchResult &Res);
	67	void URIDone(FetchResult &Res,FetchResult *Alt = 0);
	68	bool MediaFail(string Required,string Drive);
	69	virtual void Exit() {};
	70
	71	public:
	72
	73	enum CnfFlags {SingleInstance = (1<<0),
	74	Pipeline = (1<<1), SendConfig = (1<<2),
	75	LocalOnly = (1<<3), NeedsCleanup = (1<<4),
	76	Removable = (1<<5)};
	77
	78	void Log(const char *Format,...);
	79	void Status(const char *Format,...);
	80
	81	int Run(bool Single = false);
	82	inline void SetFailExtraMsg(string Msg) {FailExtra = Msg;};
	83
	84	pkgAcqMethod(const char *Ver,unsigned long Flags = 0);
	85	virtual ~pkgAcqMethod() {};
	86	};
	87
	88	#endif