add fileControl and fileCancel code in ftController

git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@720 b45a01b8-16f6-495d-af2f-9b41ad6348cc
This commit is contained in:
ewensun 2008-09-08 08:44:37 +00:00
parent 9d33feb6e6
commit 9b0bfb26c2
3 changed files with 320 additions and 236 deletions

View file

@ -34,96 +34,141 @@
* It must be able to cope with varying data rates and dropped peers without flooding the system with too many requests.
*
*/
#include <map>
#include <list>
#include <string>
#include "ft/ftfilecreator.h"
#include "ft/ftdatamultiplex.h"
#include "util/rsthreads.h"
#include <map>
#include <list>
#include <string>
#include "ft/ftfilecreator.h"
#include "ft/ftdatamultiplex.h"
#include "util/rsthreads.h"
const int PQIPEER_INIT = 0x0000;
const int PQIPEER_NOT_ONLINE = 0x0001;
const int PQIPEER_DOWNLOADING = 0x0002;
const int PQIPEER_IDLE = 0x0004;
const int PQIPEER_SUSPEND = 0x0010;
const uint32_t PQIPEER_OFFLINE_CHECK = 120; /* check every 2 minutes */
const uint32_t PQIPEER_DOWNLOAD_TIMEOUT = 60; /* time it out, -> offline after 60 secs */
const uint32_t PQIPEER_DOWNLOAD_CHECK = 10; /* desired delta = 10 secs */
const uint32_t PQIPEER_DOWNLOAD_TOO_FAST = 8; /* 8 secs */
const uint32_t PQIPEER_DOWNLOAD_TOO_SLOW = 12; /* 12 secs */
const uint32_t PQIPEER_DOWNLOAD_MIN_DELTA = 5; /* 5 secs */
const uint32_t TRANSFER_START_MIN = 10000; /* 10000 byte min limit */
const uint32_t TRANSFER_START_MAX = 10000; /* 10000 byte max limit */
/*
class Request
{
public:
uint64_t offset;
uint32_t chunkSize;
public:
uint64_t offset;
uint32_t chunkSize;
};
*/
class peerInfo
{
public:
peerInfo(std::string peerId_in,uint32_t state_in,uint32_t maxRate_in):
peerId(peerId_in),state(state_in),desiredRate(maxRate_in),actualRate(0),
offset(0),chunkSize(TRANSFER_START_MIN),receivedSize(0),lastTS(0)
{
return;
}
std::string peerId;
uint32_t state;
double desiredRate;
double actualRate;
//current file data request
uint64_t offset;
uint32_t chunkSize;
//already received data size
uint32_t receivedSize;
time_t lastTS;
};
class peerInfo
{
public:
std::string peerId;
uint32_t state;
double desiredRate;
double actualRate;
//current file data request
uint64_t offset;
uint32_t chunkSize;
//already received data size
uint32_t receivedSize;
time_t lastTS;
};
class ftTransferModule
{
public:
ftTransferModule(ftFileCreator *fc, ftDataMultiplex *dm);
~ftTransferModule();
//interface to download controller
bool setFileSources(std::list<std::string> peerIds);
bool setPeerState(std::string peerId,uint32_t state,uint32_t maxRate); //state = ONLINE/OFFLINE
uint32_t getDataRate(std::string peerId);
bool stopTransfer();
bool resumeTransfer();
bool completeFileTransfer();
//interface to multiplex module
bool recvFileData(std::string peerId, uint64_t offset,
uint32_t chunk_size, void *data);
void requestData(std::string peerId, uint64_t offset, uint32_t chunk_size);
//interface to file creator
bool getChunk(uint64_t &offset, uint32_t &chunk_size);
bool storeData(uint64_t offset, uint32_t chunk_size, void *data);
int tick();
std::string hash() { return mHash; }
uint64_t size() { return mSize; }
//internal used functions
void queryInactive();
void adjustSpeed();
private:
/* These have independent Mutexes / are const locally (no Mutex protection)*/
ftFileCreator *mFileCreator;
ftDataMultiplex *mMultiplexor;
std::string mHash;
uint64_t mSize;
RsMutex tfMtx; /* below is mutex protected */
std::list<std::string> mFileSources;
std::map<std::string,peerInfo> mOnlinePeers;
bool mFlag; //1:transfer complete, 0: not complete
double desiredRate;
double actualRate;
};
#endif //FT_TRANSFER_MODULE_HEADER
class ftFileStatus
{
enum Status {
PQIFILE_INIT,
PQIFILE_NOT_ONLINE,
PQIFILE_DOWNLOADING,
PQIFILE_PAUSE,
PQIFILE_COMPLETE,
PQIFILE_FAIL,
PQIFILE_FAIL_CANCEL,
PQIFILE_FAIL_NOT_AVAIL,
PQIFILE_FAIL_NOT_OPEN,
PQIFILE_FAIL_NOT_SEEK,
PQIFILE_FAIL_NOT_WRITE,
PQIFILE_FAIL_NOT_READ,
PQIFILE_FAIL_BAD_PATH
};
public:
ftFileStatus(std::string hash_in):hash(hash_in),stat(PQIFILE_INIT)
{
return;
}
std::string hash;
Status stat;
};
class ftTransferModule
{
public:
ftTransferModule(ftFileCreator *fc, ftDataMultiplex *dm);
~ftTransferModule();
//interface to download controller
bool setFileSources(std::list<std::string> peerIds);
bool setPeerState(std::string peerId,uint32_t state,uint32_t maxRate); //state = ONLINE/OFFLINE
uint32_t getDataRate(std::string peerId);
bool pauseTransfer();
bool resumeTransfer();
bool cancelTransfer();
bool completeFileTransfer();
//interface to multiplex module
bool recvFileData(std::string peerId, uint64_t offset,
uint32_t chunk_size, void *data);
void requestData(std::string peerId, uint64_t offset, uint32_t chunk_size);
//interface to file creator
bool getChunk(uint64_t &offset, uint32_t &chunk_size);
bool storeData(uint64_t offset, uint32_t chunk_size, void *data);
int tick();
std::string hash() { return mHash; }
uint64_t size() { return mSize; }
//internal used functions
void queryInactive();
void adjustSpeed();
private:
/* These have independent Mutexes / are const locally (no Mutex protection)*/
ftFileCreator *mFileCreator;
ftDataMultiplex *mMultiplexor;
std::string mHash;
uint64_t mSize;
RsMutex tfMtx; /* below is mutex protected */
std::list<std::string> mFileSources;
std::map<std::string,peerInfo> mOnlinePeers;
bool mFlag; //1:transfer complete, 0: not complete
double desiredRate;
double actualRate;
ftFileStatus mFileStatus; //used for pause/resume file transfer
};
#endif //FT_TRANSFER_MODULE_HEADER