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git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@1510 b45a01b8-16f6-495d-af2f-9b41ad6348cc
118 lines
3.1 KiB
C++
118 lines
3.1 KiB
C++
/*
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* ftdwlqueue.h
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*
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* Created on: Jul 22, 2009
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* Author: alexandrut
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*/
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#ifndef FTDWLQUEUE_H_
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#define FTDWLQUEUE_H_
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#include "util/rsthreads.h"
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#include "ftcontroller.h"
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#include <list>
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#include <string>
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const uint8_t RS_PKT_TYPE_QUEUE_CONFIG = 0x05;
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class RsDwlQueueItem: public RsItem {
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public:
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RsDwlQueueItem()
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: RsItem(RS_PKT_VERSION1, RS_PKT_CLASS_CONFIG, RS_PKT_TYPE_QUEUE_CONFIG, RS_PKT_SUBTYPE_FILE_ITEM) {
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return;
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}
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virtual ~RsDwlQueueItem();
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virtual void clear();
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virtual std::ostream &print(std::ostream &out, uint16_t indent = 0);
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RsTlvFileItem file;
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RsTlvPeerIdSet allPeerIds;
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uint32_t priority;
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};
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class RsDwlQueueSerialiser: public RsSerialType {
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public:
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RsDwlQueueSerialiser()
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: RsSerialType(RS_PKT_VERSION1, RS_PKT_CLASS_CONFIG, RS_PKT_TYPE_QUEUE_CONFIG) {
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return;
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}
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virtual ~RsDwlQueueSerialiser();
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virtual uint32_t size(RsItem *);
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virtual bool serialise (RsItem *item, void *data, uint32_t *size);
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virtual RsItem * deserialise(void *data, uint32_t *size);
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};
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/* comparator class used when sorting list */
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class PriorityCompare {
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public:
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PriorityCompare(bool reverse = false)
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: reverse(reverse) { return; }
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bool operator()(const DwlDetails & l, const DwlDetails & r) {
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if (reverse) {return (l.priority < r.priority);}
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else return (l.priority > r.priority);
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}
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private:
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bool reverse;
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};
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/* base class for a download queue with
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* default actions for a priority queue */
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class DwlQueue {
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public:
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/* specific actions for a priority queue */
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virtual void insertDownload(const DwlDetails & details) = 0;
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virtual bool getNext(DwlDetails & details) = 0;
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virtual bool peekAtNext(DwlDetails & details) = 0;
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/* administrative actions */
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virtual bool changePriority(const std::string hash, DwlPriority priority) = 0;
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virtual bool getPriority(const std::string hash, DwlPriority & priority) = 0;
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virtual bool clearDownload(const std::string hash) = 0;
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virtual void clearQueue() = 0;
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};
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/* general class for download queue which
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* contains the a download priority list */
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class ftDwlQueue : public DwlQueue, public RsThread, public p3Config {
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public:
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ftDwlQueue(ftController *ftc, unsigned int downloadLimit = 7, unsigned int retryLimit = 10);
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virtual ~ftDwlQueue();
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/* from thread interface */
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virtual void run();
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/* from download queue interface */
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virtual void insertDownload(const DwlDetails & details);
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virtual bool getNext(DwlDetails & details);
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virtual bool peekAtNext(DwlDetails & details);
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virtual bool changePriority(const std::string hash, DwlPriority priority);
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virtual bool getPriority(const std::string hash, DwlPriority & priority);
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virtual bool clearDownload(const std::string hash);
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virtual void clearQueue();
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virtual void getDwlDetails(std::list<DwlDetails> & details);
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/* from p3 config interface */
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protected:
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virtual RsSerialiser *setupSerialiser();
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virtual std::list<RsItem *> saveList(bool &cleanup);
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virtual bool loadList(std::list<RsItem *> load);
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private:
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unsigned int downloadLimit;
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unsigned int retryLimit;
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ftController *mFtController;
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RsMutex prmtx;
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std::list<DwlDetails> priorities;
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unsigned int totalSystemDwl();
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};
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#endif /* FTDWLQUEUE_H_ */
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