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Code Issues Releases Wiki Activity

Use frontend-specific tags for resume files.

This commit is contained in:
Josh Elsasser 2007-04-03 05:39:41 +00:00
parent 974c69215a
commit 4cdada4c1f
1 changed files with 36 additions and 20 deletions
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56
libtransmission/fastresume.h
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@ -31,7 +31,9 @@
* IDs are defined below by the FR_ID_* macros. The length does not include
* the 5 bytes for the ID and length.
*
* The name of the resume file is "resume.<hash>".
* The name of the resume file is "resume.<hash>-<tag>", although
* older files with a name of "resume.<hash>" will be recognized if
* the former doesn't exist.
*
* All values are stored in the native endianness. Moving a
* libtransmission resume file from an architecture to another will not
@ -63,14 +65,19 @@
#define FR_PROGRESS_LEN( t ) \
( FR_MTIME_LEN( t ) + FR_BLOCK_BITFIELD_LEN( t ) + FR_SLOTPIECE_LEN( t ) )
static char * fastResumeFileName( tr_io_t * io )
static void
fastResumeFileName( char * path, size_t size, tr_torrent_t * tor, int tag )
{
char * ret;
asprintf( &ret, "%s/resume.%s", tr_getCacheDirectory(),
io->tor->info.hashString );
return ret;
if( tag )
{
snprintf( path, size, "%s/resume.%s-%s", tr_getCacheDirectory(),
tor->info.hashString, tor->handle->tag );
}
else
{
snprintf( path, size, "%s/resume.%s", tr_getCacheDirectory(),
tor->info.hashString );
}
}
static int fastResumeMTimes( tr_io_t * io, int * tab )
@ -121,10 +128,10 @@ static inline void fastResumeWriteData( uint8_t id, void * data, uint32_t size,
static void fastResumeSave( tr_io_t * io )
{
tr_torrent_t * tor = io->tor;
char path[MAX_PATH_LENGTH];
FILE * file;
int version = 1;
char * path;
uint8_t * buf;
uint64_t total;
int size;
@ -140,12 +147,12 @@ static void fastResumeSave( tr_io_t * io )
}
/* Create/overwrite the resume file */
path = fastResumeFileName( io );
if( !( file = fopen( path, "w" ) ) )
fastResumeFileName( path, sizeof path, tor, 1 );
file = fopen( path, "w" );
if( NULL == file )
{
tr_err( "Could not open '%s' for writing", path );
free( buf );
free( path );
return;
}
@ -184,7 +191,6 @@ static void fastResumeSave( tr_io_t * io )
fclose( file );
tr_dbg( "Resume file '%s' written", path );
free( path );
}
static int fastResumeLoadProgress( tr_io_t * io, FILE * file )
@ -292,24 +298,34 @@ static int fastResumeLoadOld( tr_io_t * io, FILE * file )
static int fastResumeLoad( tr_io_t * io )
{
tr_torrent_t * tor = io->tor;
char path[MAX_PATH_LENGTH];
FILE * file;
int version = 0;
char * path;
uint8_t id;
uint32_t len;
int ret;
/* Open resume file */
path = fastResumeFileName( io );
if( !( file = fopen( path, "r" ) ) )
fastResumeFileName( path, sizeof path, tor, 1 );
file = fopen( path, "r" );
if( NULL == file )
{
if( ENOENT == errno )
{
fastResumeFileName( path, sizeof path, tor, 0 );
file = fopen( path, "r" );
if( NULL != file )
{
goto good;
}
fastResumeFileName( path, sizeof path, tor, 1 );
}
tr_inf( "Could not open '%s' for reading", path );
free( path );
return 1;
}
good:
tr_dbg( "Resume file '%s' loaded", path );
free( path );
/* Check format version */
fread( &version, 4, 1, file );