#include <arpa/inet.h>
#endif
+#if HAVE_POLL_H
+#include <poll.h>
+#endif
+
int ff_socket_nonblock(int socket, int enable);
static inline int ff_network_init(void)
return 1;
}
+static inline int ff_network_wait_fd(int fd, int write)
+{
+ int ev = write ? POLLOUT : POLLIN;
+ struct pollfd p = { .fd = fd, .events = ev, .revents = 0 };
+ int ret;
+ ret = poll(&p, 1, 100);
+ return ret < 0 ? ff_neterrno() : p.revents & ev ? 0 : AVERROR(EAGAIN);
+}
+
static inline void ff_network_close(void)
{
#if HAVE_WINSOCK2_H
return ret;
}
-static int tcp_wait_fd(int fd, int write)
-{
- int ev = write ? POLLOUT : POLLIN;
- struct pollfd p = { .fd = fd, .events = ev, .revents = 0 };
- int ret;
-
- ret = poll(&p, 1, 100);
- return ret < 0 ? ff_neterrno() : p.revents & ev ? 0 : AVERROR(EAGAIN);
-}
-
static int tcp_read(URLContext *h, uint8_t *buf, int size)
{
TCPContext *s = h->priv_data;
int ret;
if (!(h->flags & URL_FLAG_NONBLOCK)) {
- ret = tcp_wait_fd(s->fd, 0);
+ ret = ff_network_wait_fd(s->fd, 0);
if (ret < 0)
return ret;
}
int ret;
if (!(h->flags & URL_FLAG_NONBLOCK)) {
- ret = tcp_wait_fd(s->fd, 1);
+ ret = ff_network_wait_fd(s->fd, 1);
if (ret < 0)
return ret;
}
#include "internal.h"
#include "network.h"
#include "os_support.h"
-#if HAVE_POLL_H
-#include <poll.h>
-#endif
#include <sys/time.h>
#ifndef IPV6_ADD_MEMBERSHIP
static int udp_read(URLContext *h, uint8_t *buf, int size)
{
UDPContext *s = h->priv_data;
- struct pollfd p = {s->udp_fd, POLLIN, 0};
- int len;
int ret;
- for(;;) {
- if (url_interrupt_cb())
- return AVERROR_EXIT;
- ret = poll(&p, 1, 100);
- if (ret < 0) {
- if (ff_neterrno() == AVERROR(EINTR))
- continue;
- return AVERROR(EIO);
- }
- if (!(ret == 1 && p.revents & POLLIN))
- continue;
- len = recv(s->udp_fd, buf, size, 0);
- if (len < 0) {
- if (ff_neterrno() != AVERROR(EAGAIN) &&
- ff_neterrno() != AVERROR(EINTR))
- return AVERROR(EIO);
- } else {
- break;
- }
+ if (!(h->flags & URL_FLAG_NONBLOCK)) {
+ ret = ff_network_wait_fd(s->udp_fd, 0);
+ if (ret < 0)
+ return ret;
}
- return len;
+ ret = recv(s->udp_fd, buf, size, 0);
+ return ret < 0 ? ff_neterrno() : ret;
}
static int udp_write(URLContext *h, const uint8_t *buf, int size)
UDPContext *s = h->priv_data;
int ret;
- for(;;) {
- if (!s->is_connected) {
- ret = sendto (s->udp_fd, buf, size, 0,
- (struct sockaddr *) &s->dest_addr,
- s->dest_addr_len);
- } else
- ret = send(s->udp_fd, buf, size, 0);
- if (ret < 0) {
- if (ff_neterrno() != AVERROR(EINTR) &&
- ff_neterrno() != AVERROR(EAGAIN))
- return ff_neterrno();
- } else {
- break;
- }
+ if (!(h->flags & URL_FLAG_NONBLOCK)) {
+ ret = ff_network_wait_fd(s->udp_fd, 1);
+ if (ret < 0)
+ return ret;
}
- return size;
+
+ if (!s->is_connected) {
+ ret = sendto (s->udp_fd, buf, size, 0,
+ (struct sockaddr *) &s->dest_addr,
+ s->dest_addr_len);
+ } else
+ ret = send(s->udp_fd, buf, size, 0);
+
+ return ret < 0 ? ff_neterrno() : ret;
}
static int udp_close(URLContext *h)