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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	bool FailIgnore;
	41	};
	42
	43	struct FetchResult
	44	{
	45	string MD5Sum;
	46	string SHA1Sum;
	47	string SHA256Sum;
	48	vector<string> GPGVOutput;
	49	time_t LastModified;
	50	bool IMSHit;
	51	string Filename;
	52	unsigned long Size;
	53	unsigned long ResumePoint;
	54
	55	void TakeHashes(Hashes &Hash);
	56	FetchResult();
	57	};
	58
	59	// State
	60	vector<string> Messages;
	61	FetchItem *Queue;
	62	FetchItem *QueueBack;
	63	string FailReason;
	64	string UsedMirror;
	65	string IP;
	66
	67	// Handlers for messages
	68	virtual bool Configuration(string Message);
	69	virtual bool Fetch(FetchItem * /Item/) {return true;};
	70
	71	// Outgoing messages
	72	void Fail(bool Transient = false);
	73	inline void Fail(const char *Why, bool Transient = false) {Fail(string(Why),Transient);};
	74	virtual void Fail(string Why, bool Transient = false);
	75	virtual void URIStart(FetchResult &Res);
	76	virtual void URIDone(FetchResult &Res,FetchResult *Alt = 0);
	77
	78	bool MediaFail(string Required,string Drive);
	79	virtual void Exit() {};
	80
	81	public:
	82	enum CnfFlags {SingleInstance = (1<<0),
	83	Pipeline = (1<<1), SendConfig = (1<<2),
	84	LocalOnly = (1<<3), NeedsCleanup = (1<<4),
	85	Removable = (1<<5)};
	86
	87	void Log(const char *Format,...);
	88	void Status(const char *Format,...);
	89
	90	void Redirect(const string &NewURI);
	91
	92	int Run(bool Single = false);
	93	inline void SetFailReason(string Msg) {FailReason = Msg;};
	94	inline void SetIP(string aIP) {IP = aIP;};
	95
	96	pkgAcqMethod(const char *Ver,unsigned long Flags = 0);
	97	virtual ~pkgAcqMethod() {};
	98	};
	99
	100	/** @} */
	101
	102	#endif