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engine: limit maximum amount of pending fragbufs

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This commit is contained in:
Alibek Omarov
2026-05-17 10:54:51 +05:00
parent 5fad4ae6ca
commit be35b3503e
1 changed files with 10 additions and 0 deletions
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10
engine/common/net_chan.c
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@@ -28,6 +28,8 @@ GNU General Public License for more details.
#define UDP_HEADER_SIZE 28
#define MAX_NETCHAN_FRAGBUFS_PER_STREAM 8192
#define FLOW_AVG ( 2.0f / 3.0f ) // how fast to converge flow estimates
#define FLOW_INTERVAL 0.1 // don't compute more often than this
#define MAX_RELIABLE_PAYLOAD 1400 // biggest packet that has frag and or reliable data
@@ -750,18 +752,26 @@ static fragbuf_t *Netchan_FindBufferById( fragbuf_t **pplist, int id, qboolean a
{
fragbuf_t *list = *pplist;
fragbuf_t *pnewbuf;
int count = 0;
while( list )
{
if( list->bufferid == id )
return list;
count++;
list = list->next;
}
if( !allocate )
return NULL;
if( count >= MAX_NETCHAN_FRAGBUFS_PER_STREAM )
{
Con_DPrintf( S_ERROR "%s: too many pending fragments (%d), dropping new fragid %d\n", __func__, count, id );
return NULL;
}
// create new entry
pnewbuf = Netchan_AllocFragbuf( NET_MAX_FRAGMENT );
pnewbuf->bufferid = id;