#define _BSD_SOURCE /* Needed for using struct ip_mreq with recent glibc */
#define _DARWIN_C_SOURCE /* Needed for using IP_MULTICAST_TTL on OS X */
#include "avformat.h"
+#include "avio_internal.h"
+#include "libavutil/parseutils.h"
#include <unistd.h>
#include "internal.h"
#include "network.h"
#include "os_support.h"
-#if HAVE_POLL_H
-#include <poll.h>
-#endif
+#include "url.h"
#include <sys/time.h>
#ifndef IPV6_ADD_MEMBERSHIP
* @param uri of the remote server
* @return zero if no error.
*/
-int udp_set_remote_url(URLContext *h, const char *uri)
+int ff_udp_set_remote_url(URLContext *h, const char *uri)
{
UDPContext *s = h->priv_data;
char hostname[256], buf[10];
s->is_multicast = ff_is_multicast_address((struct sockaddr*) &s->dest_addr);
p = strchr(uri, '?');
if (p) {
- if (find_info_tag(buf, sizeof(buf), "connect", p)) {
+ if (av_find_info_tag(buf, sizeof(buf), "connect", p)) {
int was_connected = s->is_connected;
s->is_connected = strtol(buf, NULL, 10);
if (s->is_connected && !was_connected) {
* @param h media file context
* @return the local port number
*/
-int udp_get_local_port(URLContext *h)
+int ff_udp_get_local_port(URLContext *h)
{
UDPContext *s = h->priv_data;
return s->local_port;
h->is_streamed = 1;
h->max_packet_size = 1472;
- is_output = (flags & URL_WRONLY);
+ is_output = (flags & AVIO_WRONLY);
s = av_mallocz(sizeof(UDPContext));
if (!s)
p = strchr(uri, '?');
if (p) {
- if (find_info_tag(buf, sizeof(buf), "reuse", p)) {
+ if (av_find_info_tag(buf, sizeof(buf), "reuse", p)) {
const char *endptr=NULL;
s->reuse_socket = strtol(buf, &endptr, 10);
/* assume if no digits were found it is a request to enable it */
s->reuse_socket = 1;
reuse_specified = 1;
}
- if (find_info_tag(buf, sizeof(buf), "ttl", p)) {
+ if (av_find_info_tag(buf, sizeof(buf), "ttl", p)) {
s->ttl = strtol(buf, NULL, 10);
}
- if (find_info_tag(buf, sizeof(buf), "localport", p)) {
+ if (av_find_info_tag(buf, sizeof(buf), "localport", p)) {
s->local_port = strtol(buf, NULL, 10);
}
- if (find_info_tag(buf, sizeof(buf), "pkt_size", p)) {
+ if (av_find_info_tag(buf, sizeof(buf), "pkt_size", p)) {
h->max_packet_size = strtol(buf, NULL, 10);
}
- if (find_info_tag(buf, sizeof(buf), "buffer_size", p)) {
+ if (av_find_info_tag(buf, sizeof(buf), "buffer_size", p)) {
s->buffer_size = strtol(buf, NULL, 10);
}
- if (find_info_tag(buf, sizeof(buf), "connect", p)) {
+ if (av_find_info_tag(buf, sizeof(buf), "connect", p)) {
s->is_connected = strtol(buf, NULL, 10);
}
}
/* XXX: fix av_url_split */
if (hostname[0] == '\0' || hostname[0] == '?') {
/* only accepts null hostname if input */
- if (flags & URL_WRONLY)
+ if (flags & AVIO_WRONLY)
goto fail;
} else {
- if (udp_set_remote_url(h, uri) < 0)
+ if (ff_udp_set_remote_url(h, uri) < 0)
goto fail;
}
- if (s->is_multicast && !(h->flags & URL_WRONLY))
+ if (s->is_multicast && !(h->flags & AVIO_WRONLY))
s->local_port = port;
udp_fd = udp_socket_create(s, &my_addr, &len);
if (udp_fd < 0)
/* the bind is needed to give a port to the socket now */
/* if multicast, try the multicast address bind first */
- if (s->is_multicast && !(h->flags & URL_WRONLY)) {
+ if (s->is_multicast && !(h->flags & AVIO_WRONLY)) {
bind_ret = bind(udp_fd,(struct sockaddr *)&s->dest_addr, len);
}
/* bind to the local address if not multicast or if the multicast
s->local_port = udp_port(&my_addr, len);
if (s->is_multicast) {
- if (h->flags & URL_WRONLY) {
+ if (h->flags & AVIO_WRONLY) {
/* output */
if (udp_set_multicast_ttl(udp_fd, s->ttl, (struct sockaddr *)&s->dest_addr) < 0)
goto fail;
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(EINTR);
- ret = poll(&p, 1, 100);
- if (ret < 0) {
- if (ff_neterrno() == FF_NETERROR(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() != FF_NETERROR(EAGAIN) &&
- ff_neterrno() != FF_NETERROR(EINTR))
- return AVERROR(EIO);
- } else {
- break;
- }
+ if (!(h->flags & AVIO_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() != FF_NETERROR(EINTR) &&
- ff_neterrno() != FF_NETERROR(EAGAIN))
- return ff_neterrno();
- } else {
- break;
- }
+ if (!(h->flags & AVIO_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)
{
UDPContext *s = h->priv_data;
- if (s->is_multicast && !(h->flags & URL_WRONLY))
+ if (s->is_multicast && !(h->flags & AVIO_WRONLY))
udp_leave_multicast_group(s->udp_fd, (struct sockaddr *)&s->dest_addr);
closesocket(s->udp_fd);
av_free(s);
}
URLProtocol ff_udp_protocol = {
- "udp",
- udp_open,
- udp_read,
- udp_write,
- NULL, /* seek */
- udp_close,
+ .name = "udp",
+ .url_open = udp_open,
+ .url_read = udp_read,
+ .url_write = udp_write,
+ .url_close = udp_close,
.url_get_file_handle = udp_get_file_handle,
};