transmission/libtransmission/session.h

326 lines
7.6 KiB
C

/*
* This file Copyright (C) 2008-2014 Mnemosyne LLC
*
* It may be used under the GNU GPL versions 2 or 3
* or any future license endorsed by Mnemosyne LLC.
*
*/
#pragma once
#ifndef __TRANSMISSION__
#error only libtransmission should #include this header.
#endif
#define TR_NAME "Transmission"
#include "bandwidth.h"
#include "bitfield.h"
#include "net.h"
#include "tr-macros.h"
#include "utils.h"
#include "variant.h"
TR_BEGIN_DECLS
typedef enum
{
TR_NET_OK,
TR_NET_ERROR,
TR_NET_WAIT
} tr_tristate_t;
typedef enum
{
TR_AUTO_SWITCH_UNUSED,
TR_AUTO_SWITCH_ON,
TR_AUTO_SWITCH_OFF,
} tr_auto_switch_state_t;
enum
{
PEER_ID_LEN = 20
};
void tr_peerIdInit(uint8_t* setme);
struct event_base;
struct evdns_base;
struct tr_address;
struct tr_announcer;
struct tr_announcer_udp;
struct tr_bindsockets;
struct tr_cache;
struct tr_fdInfo;
struct tr_device_info;
struct tr_turtle_info
{
/* TR_UP and TR_DOWN speed limits */
unsigned int speedLimit_Bps[2];
/* is turtle mode on right now? */
bool isEnabled;
/* does turtle mode turn itself on and off at given times? */
bool isClockEnabled;
/* when clock mode is on, minutes after midnight to turn on turtle mode */
int beginMinute;
/* when clock mode is on, minutes after midnight to turn off turtle mode */
int endMinute;
/* only use clock mode on these days of the week */
tr_sched_day days;
/* called when isEnabled changes */
tr_altSpeedFunc callback;
/* the callback's user_data argument */
void* callbackUserData;
/* the callback's changedByUser argument.
* indicates whether the change came from the user or from the clock. */
bool changedByUser;
/* bitfield of all the minutes in a week.
* Each bit's value indicates whether the scheduler wants turtle
* limits on or off at that given minute in the week. */
tr_bitfield minutes;
/* recent action that was done by turtle's automatic switch */
tr_auto_switch_state_t autoTurtleState;
};
/** @brief handle to an active libtransmission session */
struct tr_session
{
bool isPortRandom;
bool isPexEnabled;
bool isDHTEnabled;
bool isUTPEnabled;
bool isLPDEnabled;
bool isBlocklistEnabled;
bool isPrefetchEnabled;
bool isTorrentDoneScriptEnabled;
bool isClosing;
bool isClosed;
bool isIncompleteFileNamingEnabled;
bool isRatioLimited;
bool isIdleLimited;
bool isIncompleteDirEnabled;
bool pauseAddedTorrent;
bool deleteSourceTorrent;
bool scrapePausedTorrents;
uint8_t peer_id_ttl_hours;
tr_variant removedTorrents;
bool stalledEnabled;
bool queueEnabled[2];
int queueSize[2];
int queueStalledMinutes;
int umask;
unsigned int speedLimit_Bps[2];
bool speedLimitEnabled[2];
struct tr_turtle_info turtle;
struct tr_fdInfo* fdInfo;
int magicNumber;
tr_encryption_mode encryptionMode;
tr_preallocation_mode preallocationMode;
struct event_base* event_base;
struct evdns_base* evdns_base;
struct tr_event_handle* events;
uint16_t peerLimit;
uint16_t peerLimitPerTorrent;
int uploadSlotsPerTorrent;
/* The UDP sockets used for the DHT and uTP. */
tr_port udp_port;
tr_socket_t udp_socket;
tr_socket_t udp6_socket;
unsigned char* udp6_bound;
struct event* udp_event;
struct event* udp6_event;
struct event* utp_timer;
/* The open port on the local machine for incoming peer requests */
tr_port private_peer_port;
/**
* The open port on the public device for incoming peer requests.
* This is usually the same as private_peer_port but can differ
* if the public device is a router and it decides to use a different
* port than the one requested by Transmission.
*/
tr_port public_peer_port;
tr_port randomPortLow;
tr_port randomPortHigh;
int peerSocketTOS;
char* peer_congestion_algorithm;
int torrentCount;
tr_torrent* torrentList;
char* torrentDoneScript;
char* configDir;
char* resumeDir;
char* torrentDir;
char* incompleteDir;
char* blocklist_url;
struct tr_device_info* downloadDir;
struct tr_list* blocklists;
struct tr_peerMgr* peerMgr;
struct tr_shared* shared;
struct tr_cache* cache;
struct tr_lock* lock;
struct tr_web* web;
struct tr_session_id* session_id;
struct tr_rpc_server* rpcServer;
tr_rpc_func rpc_func;
void* rpc_func_user_data;
struct tr_stats_handle* sessionStats;
struct tr_announcer* announcer;
struct tr_announcer_udp* announcer_udp;
tr_variant* metainfoLookup;
struct event* nowTimer;
struct event* saveTimer;
/* monitors the "global pool" speeds */
struct tr_bandwidth bandwidth;
float desiredRatio;
uint16_t idleLimitMinutes;
struct tr_bindinfo* bind_ipv4;
struct tr_bindinfo* bind_ipv6;
};
static inline tr_port tr_sessionGetPublicPeerPort(tr_session const* session)
{
return session->public_peer_port;
}
bool tr_sessionAllowsDHT(tr_session const* session);
bool tr_sessionAllowsLPD(tr_session const* session);
char const* tr_sessionFindTorrentFile(tr_session const* session, char const* hashString);
void tr_sessionSetTorrentFile(tr_session* session, char const* hashString, char const* filename);
bool tr_sessionIsAddressBlocked(tr_session const* session, struct tr_address const* addr);
void tr_sessionLock(tr_session*);
void tr_sessionUnlock(tr_session*);
bool tr_sessionIsLocked(tr_session const*);
struct tr_address const* tr_sessionGetPublicAddress(tr_session const* session, int tr_af_type, bool* is_default_value);
struct tr_bindsockets* tr_sessionGetBindSockets(tr_session*);
int tr_sessionCountTorrents(tr_session const* session);
tr_torrent** tr_sessionGetTorrents(tr_session* session, int* setme_n);
enum
{
SESSION_MAGIC_NUMBER = 3845,
};
static inline bool tr_isSession(tr_session const* session)
{
return session != NULL && session->magicNumber == SESSION_MAGIC_NUMBER;
}
static inline bool tr_isPreallocationMode(tr_preallocation_mode m)
{
return m == TR_PREALLOCATE_NONE || m == TR_PREALLOCATE_SPARSE || m == TR_PREALLOCATE_FULL;
}
static inline bool tr_isEncryptionMode(tr_encryption_mode m)
{
return m == TR_CLEAR_PREFERRED || m == TR_ENCRYPTION_PREFERRED || m == TR_ENCRYPTION_REQUIRED;
}
static inline bool tr_isPriority(tr_priority_t p)
{
return p == TR_PRI_LOW || p == TR_PRI_NORMAL || p == TR_PRI_HIGH;
}
/***
****
***/
static inline unsigned int toSpeedBytes(unsigned int KBps)
{
return KBps * tr_speed_K;
}
static inline double toSpeedKBps(unsigned int Bps)
{
return Bps / (double)tr_speed_K;
}
static inline uint64_t toMemBytes(unsigned int MB)
{
uint64_t B = (uint64_t)tr_mem_K * tr_mem_K;
B *= MB;
return B;
}
static inline int toMemMB(uint64_t B)
{
return (int)(B / (tr_mem_K * tr_mem_K));
}
/**
**/
unsigned int tr_sessionGetSpeedLimit_Bps(tr_session const*, tr_direction);
unsigned int tr_sessionGetAltSpeed_Bps(tr_session const*, tr_direction);
unsigned int tr_sessionGetRawSpeed_Bps(tr_session const*, tr_direction);
unsigned int tr_sessionGetPieceSpeed_Bps(tr_session const*, tr_direction);
void tr_sessionSetSpeedLimit_Bps(tr_session*, tr_direction, unsigned int Bps);
void tr_sessionSetAltSpeed_Bps(tr_session*, tr_direction, unsigned int Bps);
bool tr_sessionGetActiveSpeedLimit_Bps(tr_session const* session, tr_direction dir, unsigned int* setme);
void tr_sessionGetNextQueuedTorrents(tr_session* session, tr_direction dir, size_t numwanted, tr_ptrArray* setme);
int tr_sessionCountQueueFreeSlots(tr_session* session, tr_direction);
TR_END_DECLS