#include "fd.h"
#include "buffer_tree.h"
-/**
- * Data specific to the udp receiver.
- *
- * \sa \ref receiver, \ref receiver_node.
- */
-struct private_udp_recv_data {
- /** The socket file descriptor. */
- int fd;
- struct btr_pool *btrp;
-};
-
static void udp_recv_pre_select(struct sched *s, struct task *t)
{
struct receiver_node *rn = container_of(t, struct receiver_node, task);
- struct private_udp_recv_data *purd = rn->private_data;
if (generic_recv_pre_select(s, t) <= 0)
return;
- para_fd_set(purd->fd, &s->rfds, &s->max_fileno);
+ para_fd_set(rn->fd, &s->rfds, &s->max_fileno);
}
static int udp_check_eof(size_t sz, struct iovec iov[2])
static void udp_recv_post_select(__a_unused struct sched *s, struct task *t)
{
struct receiver_node *rn = container_of(t, struct receiver_node, task);
- struct private_udp_recv_data *purd = rn->private_data;
struct btr_node *btrn = rn->btrn;
size_t num_bytes;
struct iovec iov[2];
ret = btr_node_status(btrn, 0, BTR_NT_ROOT);
if (ret <= 0)
goto out;
- iovcnt = btr_pool_get_buffers(purd->btrp, iov);
+ iovcnt = btr_pool_get_buffers(rn->btrp, iov);
ret = -E_UDP_OVERRUN;
if (iovcnt == 0)
goto out;
- ret = readv_nonblock(purd->fd, iov, iovcnt, &s->rfds, &num_bytes);
+ ret = readv_nonblock(rn->fd, iov, iovcnt, &s->rfds, &num_bytes);
if (num_bytes == 0)
goto out;
readv_ret = ret;
if (ret < 0)
goto out;
if (iov[0].iov_len >= num_bytes)
- btr_add_output_pool(purd->btrp, num_bytes, btrn);
+ btr_add_output_pool(rn->btrp, num_bytes, btrn);
else { /* both buffers contain data */
- btr_add_output_pool(purd->btrp, iov[0].iov_len, btrn);
- btr_add_output_pool(purd->btrp, num_bytes - iov[0].iov_len,
+ btr_add_output_pool(rn->btrp, iov[0].iov_len, btrn);
+ btr_add_output_pool(rn->btrp, num_bytes - iov[0].iov_len,
btrn);
}
ret = readv_ret;
return;
btr_remove_node(btrn);
t->error = ret;
- close(purd->fd);
- purd->fd = -1;
+ close(rn->fd);
+ rn->fd = -1;
}
static void udp_recv_close(struct receiver_node *rn)
{
- struct private_udp_recv_data *purd = rn->private_data;
-
- if (purd->fd >= 0)
- close(purd->fd);
- btr_pool_free(purd->btrp);
- free(rn->private_data);
+ if (rn->fd >= 0)
+ close(rn->fd);
+ btr_pool_free(rn->btrp);
}
static void *udp_recv_parse_config(int argc, char **argv)
static int udp_recv_open(struct receiver_node *rn)
{
- struct private_udp_recv_data *purd;
struct udp_recv_args_info *c = rn->conf;
char *iface = c->iface_given ? c->iface_arg : NULL;
int ret;
- rn->private_data = para_calloc(sizeof(struct private_udp_recv_data));
- purd = rn->private_data;
-
ret = makesock(IPPROTO_UDP, 1, c->host_arg, c->port_arg, NULL);
if (ret < 0)
goto err;
- purd->fd = ret;
+ rn->fd = ret;
- ret = mcast_receiver_setup(purd->fd, iface);
+ ret = mcast_receiver_setup(rn->fd, iface);
if (ret < 0) {
- close(purd->fd);
+ close(rn->fd);
goto err;
}
- ret = mark_fd_nonblocking(purd->fd);
+ ret = mark_fd_nonblocking(rn->fd);
if (ret < 0) {
- close(purd->fd);
+ close(rn->fd);
goto err;
}
PARA_INFO_LOG("receiving from %s:%d, fd=%d\n", c->host_arg,
- c->port_arg, purd->fd);
- purd->btrp = btr_pool_new("udp_recv", 320 * 1024);
- return purd->fd;
+ c->port_arg, rn->fd);
+ rn->btrp = btr_pool_new("udp_recv", 320 * 1024);
+ return rn->fd;
err:
- free(rn->private_data);
return ret;
}