int
mul_cc_recv_pkt(uint64_t dp_id, uint8_t aux_id, void *of_msg, uint32_t msg_len)
{
struct cbuf *b = NULL;
if(cbuf_list_queue_len(&ctrl_hdl.c_main_buf_head) > 1024)
{
// Throw an error
c_log_err("Main thread buffer queue is full\n");
}
else
{
// Allocate
b = alloc_cbuf(msg_len);
if(b == NULL)
{
// Kajal: What else to log for a new connection
// chann_id.aux_id -- is of type uint64_t
// c_log_err("Buffer node could not be allocated dp-id:0x%x aux-id:0x%x\n",
// chann_id.dp_id, chann_id.aux_id);
//return 0;
}
// if_msg should be freed by library assuming that
// buffer should copy it.
memcpy(b->data, of_msg, msg_len);
// Insert buffer in queue
cbuf_list_queue_tail(&ctrl_hdl.c_main_buf_head, b);
}
return 0;
}
struct cbuf *
cbuf_realloc_tailroom(struct cbuf *b, size_t room, int do_free)
{
struct cbuf *old = b;
if (room < cbuf_tailroom(b)) {
b = alloc_cbuf(old->len + room);
cbuf_put(b, old->len);
memcpy(b->data, old->data, old->len);
if (do_free)
free(old);
}
return b;
}
struct cbuf *
cbuf_realloc_headroom(struct cbuf *b, size_t room, int do_free)
{
struct cbuf *old = b;
if (1 /*room < cbuf_headroom(b)*/) {
b = alloc_cbuf(old->len + room);
cbuf_put(b, old->len + room);
cbuf_pull(b, room);
memcpy(b->data, old->data, old->len);
//printf(" b %p b->data %p b->tail %p b->end %p\n", b, b->data, b->tail, b->end);
if (do_free)
free(old);
}
return b;
}
int tcp_write_buf(struct tcp_sock *tsk, void *data, unsigned int len)
{
struct cbuf *cbuf = tsk->rcv_buf;
int rlen;
/* first text */
if (!cbuf) {
cbuf = alloc_cbuf(tsk->rcv_wnd);
tsk->rcv_buf = cbuf;
}
/* write text to circular buffer */
rlen = write_cbuf(cbuf, (char *)data, len);
if (rlen > 0) {
tsk->rcv_wnd -= rlen; /* assert rlen >= 0 */
tsk->rcv_nxt += rlen;
}
return rlen;
}
