transmission/libtransmission/stats.c

148 lines
3.8 KiB
C

/*
* This file Copyright (C) 2007 Charles Kerr <charles@rebelbase.com>
*
* This file is licensed by the GPL version 2. Works owned by the
* Transmission project are granted a special exemption to clause 2(b)
* so that the bulk of its code can remain under the MIT license.
* This exemption does not extend to derived works not owned by
* the Transmission project.
*
* $Id: peer-msgs.c 3906 2007-11-20 17:29:56Z charles $
*/
#include <string.h> /* memset */
#include "transmission.h"
#include "bencode.h"
#include "platform.h" /* tr_getPrefsDirectory */
#include "utils.h" /* tr_buildPath */
/***
****
***/
static void
parseCumulativeStats( tr_session_stats * setme,
const uint8_t * content,
size_t len )
{
benc_val_t top;
if( !tr_bencLoad( content, len, &top, NULL ) )
{
const benc_val_t * val;
if(( val = tr_bencDictFindType( &top, "uploaded-gigabytes", TYPE_INT )))
setme->uploadedGigs = (uint64_t) tr_bencGetInt( val );
if(( val = tr_bencDictFindType( &top, "uploaded-bytes", TYPE_INT )))
setme->uploadedBytes = (uint64_t) tr_bencGetInt( val );
if(( val = tr_bencDictFindType( &top, "downloaded-gigabytes", TYPE_INT )))
setme->downloadedGigs = (uint64_t) tr_bencGetInt( val );
if(( val = tr_bencDictFindType( &top, "downloaded-bytes", TYPE_INT )))
setme->downloadedBytes = (uint64_t) tr_bencGetInt( val );
if(( val = tr_bencDictFindType( &top, "files-added", TYPE_INT )))
setme->filesAdded = (uint64_t) tr_bencGetInt( val );
if(( val = tr_bencDictFindType( &top, "session-count", TYPE_INT )))
setme->sessionCount = (uint64_t) tr_bencGetInt( val );
if(( val = tr_bencDictFindType( &top, "seconds-active", TYPE_INT )))
setme->secondsActive = (uint64_t) tr_bencGetInt( val );
tr_bencFree( &top );
}
}
static void
loadCumulativeStats( tr_session_stats * setme )
{
size_t len;
uint8_t * content;
char path[MAX_PATH_LENGTH];
tr_buildPath( path, sizeof(path), tr_getPrefsDirectory(), "stats.benc", NULL );
content = tr_loadFile( path, &len );
if( content != NULL )
parseCumulativeStats( setme, content, len );
tr_free( content );
}
/***
****
***/
void
tr_statsInit( tr_handle * handle )
{
memset( &handle->sessionStats, 0, sizeof( tr_session_stats ) );
memset( &handle->cumulativeStats, 0, sizeof( tr_session_stats ) );
loadCumulativeStats( &handle->cumulativeStats );
}
void
tr_statsClose( const tr_handle * handle UNUSED )
{
fprintf( stderr, "FIXME" );
}
static void
updateRatio( tr_session_stats * stats UNUSED )
{
fprintf( stderr, "FIXME" );
}
void
tr_getSessionStats( const tr_handle * handle,
tr_session_stats * setme )
{
*setme = handle->sessionStats;
updateRatio( setme );
}
void
tr_getCumulativeSessionStats( const tr_handle * handle,
tr_session_stats * setme )
{
*setme = handle->cumulativeStats;
updateRatio( setme );
}
/**
***
**/
static void
add( uint64_t * gigs, uint64_t * bytes, uint32_t addme )
{
uint64_t i;
const uint64_t GIGABYTE = 1073741824;
i = *bytes;
i += addme;
*gigs += i / GIGABYTE;
*bytes = i % GIGABYTE;
}
void
tr_statsAddUploaded( tr_handle * handle, uint32_t bytes )
{
add( &handle->sessionStats.uploadedGigs,
&handle->sessionStats.uploadedBytes, bytes );
add( &handle->cumulativeStats.uploadedGigs,
&handle->cumulativeStats.uploadedBytes, bytes );
}
void
tr_statsAddDownloaded( tr_handle * handle, uint32_t bytes )
{
add( &handle->sessionStats.downloadedGigs,
&handle->sessionStats.downloadedBytes, bytes );
add( &handle->cumulativeStats.downloadedGigs,
&handle->cumulativeStats.downloadedBytes, bytes );
}