- if (rn->loaded >= DCCP_BUFSIZE) {
- t->error = -E_DCCP_OVERRUN;
- return;
- }
- if (btrn) {
- char *buf;
- size_t sz;
-
- sz = btr_pool_get_buffer(pdd->btrp, &buf);
- ret = -E_DCCP_OVERRUN;
- if (sz == 0)
- goto err;
- //buf = para_malloc(HTTP_RECV_READ_BUF_SIZE);
- //sz = HTTP_RECV_READ_BUF_SIZE;
- ret = recv_bin_buffer(pdd->fd, buf, sz);
- if (ret == 0)
- ret = -E_RECV_EOF;
- if (ret < 0)
- goto err;
+ iovcnt = btr_pool_get_buffers(pdd->btrp, iov);
+ ret = -E_DCCP_OVERRUN;
+ if (iovcnt == 0)
+ goto err;
+ ret = para_readv(pdd->fd, iov, iovcnt);
+ if (ret == 0)
+ ret = -E_RECV_EOF;
+ if (ret < 0)
+ goto err;
+ if (ret <= iov[0].iov_len) /* only the first buffer was filled */