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(trunk libT) make sure that outbound protocol messages don't get blocked by bandwidth limits

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This commit is contained in:
Charles Kerr 2009-04-21 16:18:51 +00:00
parent 43111790d0
commit fb587a5b30
3 changed files with 35 additions and 8 deletions
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17
libtransmission/bandwidth.c
View file

@ -251,12 +251,17 @@ tr_bandwidthAllocate( tr_bandwidth * b,
peers = (struct tr_peerIo**) tr_ptrArrayBase( &tmp );
peerCount = tr_ptrArraySize( &tmp );
for( i=0; i<peerCount; ++i ) {
tr_peerIoRef( peers[i] );
switch( peers[i]->priority ) {
case TR_PRI_HIGH: tr_ptrArrayAppend( &high, peers[i] ); break;
case TR_PRI_LOW: tr_ptrArrayAppend( &low, peers[i] ); break;
default: tr_ptrArrayAppend( &normal, peers[i] ); break;
for( i=0; i<peerCount; ++i )
{
tr_peerIo * io = peers[i];
tr_peerIoRef( io );
tr_peerIoFlushOutgoingProtocolMsgs( io );
switch( io->priority ) {
case TR_PRI_HIGH: tr_ptrArrayAppend( &high, io ); break;
case TR_PRI_LOW: tr_ptrArrayAppend( &low, io ); break;
default: tr_ptrArrayAppend( &normal, io ); break;
}
}

24
libtransmission/peer-io.c
View file

@ -39,7 +39,7 @@
#define MAGIC_NUMBER 206745
static size_t
getPacketOverhead( size_t d )
guessPacketOverhead( size_t d )
{
/**
* http://sd.wareonearth.com/~phil/net/overhead/
@ -90,7 +90,7 @@ didWriteWrapper( tr_peerIo * io, size_t bytes_transferred )
{
struct tr_datatype * next = __tr_list_entry( io->outbuf_datatypes.next, struct tr_datatype, head );
const size_t payload = MIN( next->length, bytes_transferred );
const size_t overhead = getPacketOverhead( payload );
const size_t overhead = guessPacketOverhead( payload );
tr_bandwidthUsed( &io->bandwidth, TR_UP, payload, next->isPieceData );
@ -847,6 +847,26 @@ tr_peerIoFlush( tr_peerIo * io, tr_direction dir, size_t limit )
return bytesUsed;
}
int
tr_peerIoFlushOutgoingProtocolMsgs( tr_peerIo * io )
{
size_t byteCount = 0;
struct __tr_list * walk;
struct __tr_list * fencepost = &io->outbuf_datatypes;
/* count up how many bytes are used by non-piece-data messages
at the front of our outbound queue */
for( walk=fencepost->next; walk!=fencepost; walk=walk->next ) {
struct tr_datatype * d = __tr_list_entry( walk, struct tr_datatype, head );
if( d->isPieceData )
break;
byteCount += d->length;
}
return tr_peerIoFlush( io, TR_UP, byteCount );
}
/***
****
****/

2
libtransmission/peer-io.h
View file

@ -380,6 +380,8 @@ int tr_peerIoFlush( tr_peerIo * io,
tr_direction dir,
size_t byteLimit );
int tr_peerIoFlushOutgoingProtocolMsgs( tr_peerIo * io );
/**
***
**/