void
udp_add_readbuf(struct udp_con *con, u_char *dat, u_int datlen)
{
struct conbuffer *buf;
hooks_dispatch(IP_PROTO_UDP, HD_INCOMING_STREAM, &con->conhdr,
dat, datlen);
if (con->cmd_pfd == -1)
return;
if (con->nincoming >= MAX_UDP_BUFFERS)
return;
buf = malloc(sizeof(struct conbuffer));
if (buf == NULL)
return;
buf->buf = malloc(datlen);
if (buf->buf == NULL) {
free(buf);
return;
}
memcpy(buf->buf, dat, datlen);
buf->len = datlen;
TAILQ_INSERT_TAIL(&con->incoming, buf, next);
con->nincoming++;
cmd_trigger_write(&con->cmd, 1);
}
int
tcp_add_readbuf(struct tcp_con *con, u_char *dat, u_int datlen)
{
int space;
hooks_dispatch(IP_PROTO_TCP, HD_INCOMING_STREAM, &con->conhdr,
dat, datlen);
if (con->cmd_pfd == -1)
return (datlen);
space = con->rsize - con->rlen;
if (space < datlen) {
tcp_increase_buf(&con->readbuf, &con->rsize, TCP_MAX_SIZE);
space = con->rsize - con->rlen;
if (space < datlen)
datlen = space;
}
memcpy(con->readbuf + con->rlen, dat, datlen);
con->rlen += datlen;
cmd_trigger_write(&con->cmd, con->rlen);
return (datlen);
}
