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tpws: optimize split code

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bol-van 2024-03-27 19:26:12 +03:00
parent 7e08b968e1
commit a905e46b11
1 changed files with 23 additions and 13 deletions
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36
tpws/tpws_conn.c
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@ -958,6 +958,25 @@ static void tamper(tproxy_conn_t *conn, uint8_t *segment, size_t segment_buffer_
}
}
// buffer must have at least one extra byte for OOB
static ssize_t send_or_buffer_oob(send_buffer_t *sb, int fd, uint8_t *buf, size_t len, int ttl, bool oob)
{
ssize_t wr;
if (oob)
{
VPRINT("Sending OOB byte %02X", params.oob_byte)
uint8_t oob_save;
oob_save = buf[len];
buf[len] = params.oob_byte;
wr = send_or_buffer(sb, fd, buf, len+1, MSG_OOB, ttl);
buf[len] = oob_save;
}
else
wr = send_or_buffer(sb, fd, buf, len, 0, ttl);
return wr;
}
#define RD_BLOCK_SIZE 65536
#define MAX_WASTE (1024*1024)
static bool handle_epoll(tproxy_conn_t *conn, struct tailhead *conn_list, uint32_t evt)
@ -1057,25 +1076,16 @@ static bool handle_epoll(tproxy_conn_t *conn, struct tailhead *conn_list, uint32
conn->tnrd++;
conn->trd+=rd;
if (split_pos)
if (split_pos && bs<=sizeof(buf))
{
VPRINT("Splitting at pos %zu%s", split_pos, (split_flags & SPLIT_FLAG_DISORDER) ? " with disorder" : "")
if (split_flags & SPLIT_FLAG_OOB)
{
VPRINT("Sending OOB byte %02X", params.oob_byte)
uint8_t oob_save;
oob_save = buf[split_pos];
buf[split_pos] = params.oob_byte;
wr = send_or_buffer(conn->partner->wr_buf, conn->partner->fd, buf, split_pos+1, MSG_OOB, !!(split_flags & SPLIT_FLAG_DISORDER));
buf[split_pos] = oob_save;
}
else
wr = send_or_buffer(conn->partner->wr_buf, conn->partner->fd, buf, split_pos, 0, !!(split_flags & SPLIT_FLAG_DISORDER));
wr = send_or_buffer_oob(conn->partner->wr_buf, conn->partner->fd, buf, split_pos, !!(split_flags & SPLIT_FLAG_DISORDER), !!(split_flags & SPLIT_FLAG_OOB));
DBGPRINT("send_or_buffer(1) fd=%d wr=%zd err=%d",conn->partner->fd,wr,errno)
if (wr >= 0)
{
conn->partner->twr += wr;
wr = send_or_buffer(conn->partner->wr_buf + 1, conn->partner->fd, buf + split_pos, bs - split_pos, 0, 0);
wr = send_or_buffer_oob(conn->partner->wr_buf + 1, conn->partner->fd, buf + split_pos, bs - split_pos, 0, false);
DBGPRINT("send_or_buffer(2) fd=%d wr=%zd err=%d",conn->partner->fd,wr,errno)
if (wr>0) conn->partner->twr += wr;
}