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only send a peer keepalive messages when we're not sending them anything else

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This commit is contained in:
Charles Kerr 2007-09-26 17:34:33 +00:00
parent 0743709b51
commit d386617da2
1 changed files with 17 additions and 19 deletions
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36
libtransmission/peer-msgs.c
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@ -63,7 +63,7 @@ enum
MAX_REQUEST_BYTE_COUNT = (16 * 1024), /* drop requests who want too much */
KEEPALIVE_INTERVAL = (90 * 1000), /* msec between calls to sendKeepalive() */
KEEPALIVE_INTERVAL_SECS = 90, /* idle seconds before we send a keepalive */
PEX_INTERVAL = (60 * 1000), /* msec between calls to sendPex() */
PEER_PULSE_INTERVAL = (100), /* msec between calls to pulse() */
};
@ -112,12 +112,12 @@ struct tr_peermsgs
tr_timer * pulseTimer;
tr_timer * pexTimer;
tr_timer * keepaliveTimer;
struct peer_request blockToUs; /* the block currntly being sent to us */
time_t lastReqAddedAt;
time_t clientSentPexAt;
time_t clientSentAnythingAt;
unsigned int notListening : 1;
unsigned int peerSupportsPex : 1;
@ -989,6 +989,13 @@ canRead( struct bufferevent * evin, void * vmsgs )
return ret;
}
static void
sendKeepalive( tr_peermsgs * msgs )
{
dbgmsg( msgs, "sending a keepalive message" );
tr_peerIoWriteUint32( msgs->io, msgs->outMessages, 0 );
}
/**
***
**/
@ -1023,6 +1030,7 @@ canUpload( const tr_peermsgs * msgs )
static int
pulse( void * vmsgs )
{
const time_t now = time( NULL );
tr_peermsgs * msgs = (tr_peermsgs *) vmsgs;
size_t len;
@ -1047,13 +1055,15 @@ pulse( void * vmsgs )
evbuffer_drain( msgs->outBlock, outlen );
peerGotBytes( msgs, outlen );
len -= outlen;
msgs->info->clientSentPieceDataAt = time( NULL );
msgs->info->clientSentPieceDataAt = now;
msgs->clientSentAnythingAt = now;
dbgmsg( msgs, "wrote %d bytes; %d left in block", (int)outlen, (int)len );
}
}
else if(( len = EVBUFFER_LENGTH( msgs->outMessages ) ))
{
tr_peerIoWriteBuf( msgs->io, msgs->outMessages );
msgs->clientSentAnythingAt = now;
}
else if(( msgs->peerAskedFor ))
{
@ -1070,6 +1080,10 @@ pulse( void * vmsgs )
dbgmsg( msgs, "putting req into out queue: index %d, offset %d, length %d ... %d blocks left in our queue", (int)req->index, (int)req->offset, (int)req->length, tr_list_size(msgs->peerAskedFor) );
tr_free( req );
}
else if( ( now - msgs->clientSentAnythingAt ) > KEEPALIVE_INTERVAL_SECS )
{
sendKeepalive( msgs );
}
return TRUE; /* loop forever */
}
@ -1097,13 +1111,6 @@ sendBitfield( tr_peermsgs * msgs )
tr_peerIoWriteBytes ( msgs->io, msgs->outMessages, bitfield->bits, bitfield->len );
}
static void
sendKeepalive( tr_peermsgs * msgs )
{
dbgmsg( msgs, "sending a keepalive message" );
tr_peerIoWriteUint32( msgs->io, msgs->outMessages, 0 );
}
/**
***
**/
@ -1251,13 +1258,6 @@ pexPulse( void * vpeer )
return TRUE;
}
static int
keepalivePulse( void * vpeer )
{
sendKeepalive( vpeer );
return TRUE;
}
/**
***
**/
@ -1283,7 +1283,6 @@ tr_peerMsgsNew( struct tr_torrent * torrent, struct tr_peer * info )
msgs->info->have = tr_bitfieldNew( torrent->info.pieceCount );
msgs->pulseTimer = tr_timerNew( msgs->handle, pulse, msgs, PEER_PULSE_INTERVAL );
msgs->pexTimer = tr_timerNew( msgs->handle, pexPulse, msgs, PEX_INTERVAL );
msgs->keepaliveTimer = tr_timerNew( msgs->handle, keepalivePulse, msgs, KEEPALIVE_INTERVAL );
msgs->outMessages = evbuffer_new( );
msgs->outBlock = evbuffer_new( );
msgs->inBlock = evbuffer_new( );
@ -1318,7 +1317,6 @@ tr_peerMsgsFree( tr_peermsgs* msgs )
{
if( msgs != NULL )
{
tr_timerFree( &msgs->keepaliveTimer );
tr_timerFree( &msgs->pulseTimer );
tr_timerFree( &msgs->pexTimer );
tr_publisherFree( &msgs->publisher );