* \sa receiver::open, receiver_node.
*/
enum http_recv_status status;
- /**
- * The file descriptor used for receiving the http stream.
- *
- * The pre_select function of the http receiver adds this file descriptor to
- * the set of file descriptors which are checked for reading/writing (depending
- * on the current status) by the select loop of the application (para_audiod or
- * para_recv).
- *
- * The post_select function of the http receiver uses \a fd, if ready, to
- * establish the http connection, and updates \a status according to the new
- * state of the connection. As soon as \a status is \p HTTP_STREAMING, \a fd is
- * going to be only checked for reading. If data is available, it is read into
- * the output buffer of the receiver node by post_select.
- *
- * \sa receiver::pre_select receiver::post_select receiver_node, http_recv_status
- */
- int fd;
- struct btr_pool *btrp;
};
static char *make_request_msg(void)
if (generic_recv_pre_select(s, t) <= 0)
return;
if (phd->status == HTTP_CONNECTED)
- para_fd_set(phd->fd, &s->wfds, &s->max_fileno);
+ para_fd_set(rn->fd, &s->wfds, &s->max_fileno);
else
- para_fd_set(phd->fd, &s->rfds, &s->max_fileno);
+ para_fd_set(rn->fd, &s->rfds, &s->max_fileno);
}
+/*
+ * Establish the http connection. If already established, fill the buffer pool
+ * area with data read from the socket. In any case, update the state of the
+ * connection if necessary.
+ */
static void http_recv_post_select(struct sched *s, struct task *t)
{
struct receiver_node *rn = container_of(t, struct receiver_node, task);
return;
if (phd->status == HTTP_CONNECTED) {
char *rq;
- if (!FD_ISSET(phd->fd, &s->wfds))
+ if (!FD_ISSET(rn->fd, &s->wfds))
return;
rq = make_request_msg();
PARA_INFO_LOG("sending http request\n");
- ret = send_va_buffer(phd->fd, "%s", rq);
+ ret = send_va_buffer(rn->fd, "%s", rq);
free(rq);
if (ret < 0)
goto err;
return;
}
if (phd->status == HTTP_SENT_GET_REQUEST) {
- ret = read_pattern(phd->fd, HTTP_OK_MSG, strlen(HTTP_OK_MSG), &s->rfds);
+ ret = read_pattern(rn->fd, HTTP_OK_MSG, strlen(HTTP_OK_MSG), &s->rfds);
if (ret < 0)
goto err;
if (ret == 0)
return;
}
ret = -E_HTTP_RECV_OVERRUN;
- sz = btr_pool_get_buffer(phd->btrp, &buf);
+ sz = btr_pool_get_buffer(rn->btrp, &buf);
if (sz == 0)
goto err;
- ret = read_nonblock(phd->fd, buf, sz, &s->rfds, &n);
+ ret = read_nonblock(rn->fd, buf, sz, &s->rfds, &n);
if (n > 0)
- btr_add_output_pool(phd->btrp, n, btrn);
+ btr_add_output_pool(rn->btrp, n, btrn);
if (ret >= 0)
return;
err:
static void http_recv_close(struct receiver_node *rn)
{
- struct private_http_recv_data *phd = rn->private_data;
-
- close(phd->fd);
- btr_pool_free(phd->btrp);
+ close(rn->fd);
+ btr_pool_free(rn->btrp);
free(rn->private_data);
}
return ret;
}
rn->private_data = phd = para_calloc(sizeof(struct private_http_recv_data));
- phd->fd = fd;
+ rn->fd = fd;
phd->status = HTTP_CONNECTED;
- phd->btrp = btr_pool_new("http_recv", 320 * 1024);
+ rn->btrp = btr_pool_new("http_recv", 320 * 1024);
return 1;
}