* UDP prototype streaming system
* Copyright (c) 2000, 2001, 2002 Fabrice Bellard.
*
- * This library is free software; you can redistribute it and/or
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
+ * version 2.1 of the License, or (at your option) any later version.
*
- * This library is distributed in the hope that it will be useful,
+ * FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "avformat.h"
#include <unistd.h>
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <netinet/in.h>
-#ifndef __BEOS__
-# include <arpa/inet.h>
-#else
-# include "barpainet.h"
+#include "network.h"
+
+#ifndef IPV6_ADD_MEMBERSHIP
+#define IPV6_ADD_MEMBERSHIP IPV6_JOIN_GROUP
+#define IPV6_DROP_MEMBERSHIP IPV6_LEAVE_GROUP
#endif
-#include <netdb.h>
typedef struct {
int udp_fd;
int ttl;
int is_multicast;
int local_port;
+ int reuse_socket;
+#ifndef CONFIG_IPV6
struct ip_mreq mreq;
struct sockaddr_in dest_addr;
+#else
+ struct sockaddr_storage dest_addr;
+ size_t dest_addr_len;
+#endif
} UDPContext;
#define UDP_TX_BUF_SIZE 32768
+#ifdef CONFIG_IPV6
+
+static int udp_ipv6_is_multicast_address(const struct sockaddr *addr) {
+ if (addr->sa_family == AF_INET)
+ return IN_MULTICAST(ntohl(((struct sockaddr_in *)addr)->sin_addr.s_addr));
+ if (addr->sa_family == AF_INET6)
+ return IN6_IS_ADDR_MULTICAST(&((struct sockaddr_in6 *)addr)->sin6_addr);
+ return -1;
+}
+
+static int udp_ipv6_set_multicast_ttl(int sockfd, int mcastTTL, struct sockaddr *addr) {
+ if (addr->sa_family == AF_INET) {
+ if (setsockopt(sockfd, IPPROTO_IP, IP_MULTICAST_TTL, &mcastTTL, sizeof(mcastTTL)) < 0) {
+ perror("setsockopt(IP_MULTICAST_TTL)");
+ return -1;
+ }
+ }
+ if (addr->sa_family == AF_INET6) {
+ if (setsockopt(sockfd, IPPROTO_IPV6, IPV6_MULTICAST_HOPS, &mcastTTL, sizeof(mcastTTL)) < 0) {
+ perror("setsockopt(IPV6_MULTICAST_HOPS)");
+ return -1;
+ }
+ }
+ return 0;
+}
+
+static int udp_ipv6_join_multicast_group(int sockfd, struct sockaddr *addr) {
+ struct ip_mreq mreq;
+ struct ipv6_mreq mreq6;
+ if (addr->sa_family == AF_INET) {
+ mreq.imr_multiaddr.s_addr = ((struct sockaddr_in *)addr)->sin_addr.s_addr;
+ mreq.imr_interface.s_addr= INADDR_ANY;
+ if (setsockopt(sockfd, IPPROTO_IP, IP_ADD_MEMBERSHIP, (const void *)&mreq, sizeof(mreq)) < 0) {
+ perror("setsockopt(IP_ADD_MEMBERSHIP)");
+ return -1;
+ }
+ }
+ if (addr->sa_family == AF_INET6) {
+ memcpy(&mreq6.ipv6mr_multiaddr, &(((struct sockaddr_in6 *)addr)->sin6_addr), sizeof(struct in6_addr));
+ mreq6.ipv6mr_interface= 0;
+ if (setsockopt(sockfd, IPPROTO_IPV6, IPV6_ADD_MEMBERSHIP, &mreq6, sizeof(mreq6)) < 0) {
+ perror("setsockopt(IPV6_ADD_MEMBERSHIP)");
+ return -1;
+ }
+ }
+ return 0;
+}
+
+static int udp_ipv6_leave_multicast_group(int sockfd, struct sockaddr *addr) {
+ struct ip_mreq mreq;
+ struct ipv6_mreq mreq6;
+ if (addr->sa_family == AF_INET) {
+ mreq.imr_multiaddr.s_addr = ((struct sockaddr_in *)addr)->sin_addr.s_addr;
+ mreq.imr_interface.s_addr= INADDR_ANY;
+ if (setsockopt(sockfd, IPPROTO_IP, IP_DROP_MEMBERSHIP, (const void *)&mreq, sizeof(mreq)) < 0) {
+ perror("setsockopt(IP_DROP_MEMBERSHIP)");
+ return -1;
+ }
+ }
+ if (addr->sa_family == AF_INET6) {
+ memcpy(&mreq6.ipv6mr_multiaddr, &(((struct sockaddr_in6 *)addr)->sin6_addr), sizeof(struct in6_addr));
+ mreq6.ipv6mr_interface= 0;
+ if (setsockopt(sockfd, IPPROTO_IPV6, IPV6_DROP_MEMBERSHIP, &mreq6, sizeof(mreq6)) < 0) {
+ perror("setsockopt(IPV6_DROP_MEMBERSHIP)");
+ return -1;
+ }
+ }
+ return 0;
+}
+
+static struct addrinfo* udp_ipv6_resolve_host(const char *hostname, int port, int type, int family, int flags) {
+ struct addrinfo hints, *res = 0;
+ int error;
+ char sport[16];
+ const char *node = 0, *service = 0;
+
+ if (port > 0) {
+ snprintf(sport, sizeof(sport), "%d", port);
+ service = sport;
+ }
+ if ((hostname) && (hostname[0] != '\0') && (hostname[0] != '?')) {
+ node = hostname;
+ }
+ if ((node) || (service)) {
+ memset(&hints, 0, sizeof(hints));
+ hints.ai_socktype = type;
+ hints.ai_family = family;
+ hints.ai_flags = flags;
+ if ((error = getaddrinfo(node, service, &hints, &res))) {
+ av_log(NULL, AV_LOG_ERROR, "udp_ipv6_resolve_host: %s\n", gai_strerror(error));
+ }
+ }
+ return res;
+}
+
+static int udp_ipv6_set_remote_url(URLContext *h, const char *uri) {
+ UDPContext *s = h->priv_data;
+ char hostname[256];
+ int port;
+ struct addrinfo *res0;
+ url_split(NULL, 0, NULL, 0, hostname, sizeof(hostname), &port, NULL, 0, uri);
+ res0 = udp_ipv6_resolve_host(hostname, port, SOCK_DGRAM, AF_UNSPEC, 0);
+ if (res0 == 0) return AVERROR_IO;
+ memcpy(&s->dest_addr, res0->ai_addr, res0->ai_addrlen);
+ s->dest_addr_len = res0->ai_addrlen;
+ freeaddrinfo(res0);
+ return 0;
+}
+
+static int udp_ipv6_set_local(URLContext *h) {
+ UDPContext *s = h->priv_data;
+ int udp_fd = -1;
+ struct sockaddr_storage clientaddr;
+ socklen_t addrlen;
+ char sbuf[NI_MAXSERV];
+ char hbuf[NI_MAXHOST];
+ struct addrinfo *res0 = NULL, *res = NULL;
+
+ if (s->local_port != 0) {
+ res0 = udp_ipv6_resolve_host(0, s->local_port, SOCK_DGRAM, AF_UNSPEC, AI_PASSIVE);
+ if (res0 == 0)
+ goto fail;
+ for (res = res0; res; res=res->ai_next) {
+ udp_fd = socket(res->ai_family, SOCK_DGRAM, 0);
+ if (udp_fd > 0) break;
+ perror("socket");
+ }
+ } else {
+ udp_fd = socket(s->dest_addr.ss_family, SOCK_DGRAM, 0);
+ if (udp_fd < 0)
+ perror("socket");
+ }
+
+ if (udp_fd < 0)
+ goto fail;
+
+ if (s->local_port != 0) {
+ if (bind(udp_fd, res0->ai_addr, res0->ai_addrlen) < 0) {
+ perror("bind");
+ goto fail;
+ }
+ freeaddrinfo(res0);
+ res0 = NULL;
+ }
+
+ addrlen = sizeof(clientaddr);
+ if (getsockname(udp_fd, (struct sockaddr *)&clientaddr, &addrlen) < 0) {
+ perror("getsockname");
+ goto fail;
+ }
+
+ if (getnameinfo((struct sockaddr *)&clientaddr, addrlen, hbuf, sizeof(hbuf), sbuf, sizeof(sbuf), NI_NUMERICHOST | NI_NUMERICSERV) != 0) {
+ perror("getnameinfo");
+ goto fail;
+ }
+
+ s->local_port = strtol(sbuf, NULL, 10);
+
+ return udp_fd;
+
+ fail:
+ if (udp_fd >= 0)
+ closesocket(udp_fd);
+ if(res0)
+ freeaddrinfo(res0);
+ return -1;
+}
+
+#endif
+
+
/**
* If no filename is given to av_open_input_file because you want to
* get the local port first, then you must call this function to set
* the remote server address.
*
* url syntax: udp://host:port[?option=val...]
- * option: 'multicast=1' : enable multicast
+ * option: 'multicast=1' : enable multicast
* 'ttl=n' : set the ttl value (for multicast only)
* 'localport=n' : set the local port
* 'pkt_size=n' : set max packet size
+ * 'reuse=1' : enable reusing the socket
*
* @param s1 media file context
* @param uri of the remote server
*/
int udp_set_remote_url(URLContext *h, const char *uri)
{
+#ifdef CONFIG_IPV6
+ return udp_ipv6_set_remote_url(h, uri);
+#else
UDPContext *s = h->priv_data;
char hostname[256];
int port;
-
- url_split(NULL, 0, hostname, sizeof(hostname), &port, NULL, 0, uri);
+
+ url_split(NULL, 0, NULL, 0, hostname, sizeof(hostname), &port, NULL, 0, uri);
/* set the destination address */
if (resolve_host(&s->dest_addr.sin_addr, hostname) < 0)
- return -EIO;
+ return AVERROR_IO;
s->dest_addr.sin_family = AF_INET;
s->dest_addr.sin_port = htons(port);
return 0;
+#endif
}
/**
/* return non zero if error */
static int udp_open(URLContext *h, const char *uri, int flags)
{
- struct sockaddr_in my_addr, my_addr1;
char hostname[1024];
int port, udp_fd = -1, tmp;
UDPContext *s = NULL;
- int is_output, len;
+ int is_output;
const char *p;
char buf[256];
+#ifndef CONFIG_IPV6
+ struct sockaddr_in my_addr, my_addr1;
+ int len;
+#endif
h->is_streamed = 1;
h->max_packet_size = 1472;
is_output = (flags & URL_WRONLY);
-
+
s = av_malloc(sizeof(UDPContext));
if (!s)
- return -ENOMEM;
+ return AVERROR(ENOMEM);
h->priv_data = s;
s->ttl = 16;
s->is_multicast = 0;
+ s->local_port = 0;
+ s->reuse_socket = 0;
p = strchr(uri, '?');
if (p) {
s->is_multicast = find_info_tag(buf, sizeof(buf), "multicast", p);
+ s->reuse_socket = find_info_tag(buf, sizeof(buf), "reuse", p);
if (find_info_tag(buf, sizeof(buf), "ttl", p)) {
s->ttl = strtol(buf, NULL, 10);
}
}
/* fill the dest addr */
- url_split(NULL, 0, hostname, sizeof(hostname), &port, NULL, 0, uri);
-
+ url_split(NULL, 0, NULL, 0, hostname, sizeof(hostname), &port, NULL, 0, uri);
+
/* XXX: fix url_split */
if (hostname[0] == '\0' || hostname[0] == '?') {
/* only accepts null hostname if input */
udp_set_remote_url(h, uri);
}
- udp_fd = socket(PF_INET, SOCK_DGRAM, 0);
+#ifndef CONFIG_IPV6
+ udp_fd = socket(AF_INET, SOCK_DGRAM, 0);
if (udp_fd < 0)
goto fail;
my_addr.sin_port = htons(s->local_port);
}
+ if (s->reuse_socket)
+ if (setsockopt (udp_fd, SOL_SOCKET, SO_REUSEADDR, &(s->reuse_socket), sizeof(s->reuse_socket)) != 0)
+ goto fail;
+
/* the bind is needed to give a port to the socket now */
- if (bind(udp_fd,(struct sockaddr *)&my_addr, sizeof(my_addr)) < 0)
+ if (bind(udp_fd,(struct sockaddr *)&my_addr, sizeof(my_addr)) < 0)
goto fail;
len = sizeof(my_addr1);
getsockname(udp_fd, (struct sockaddr *)&my_addr1, &len);
s->local_port = ntohs(my_addr1.sin_port);
-#ifndef CONFIG_BEOS_NETSERVER
+#ifdef IP_MULTICAST_TTL
if (s->is_multicast) {
if (h->flags & URL_WRONLY) {
/* output */
- if (setsockopt(udp_fd, IPPROTO_IP, IP_MULTICAST_TTL,
+ if (setsockopt(udp_fd, IPPROTO_IP, IP_MULTICAST_TTL,
&s->ttl, sizeof(s->ttl)) < 0) {
perror("IP_MULTICAST_TTL");
goto fail;
memset(&s->mreq, 0, sizeof(s->mreq));
s->mreq.imr_multiaddr = s->dest_addr.sin_addr;
s->mreq.imr_interface.s_addr = htonl (INADDR_ANY);
- if (setsockopt(udp_fd, IPPROTO_IP, IP_ADD_MEMBERSHIP,
+ if (setsockopt(udp_fd, IPPROTO_IP, IP_ADD_MEMBERSHIP,
&s->mreq, sizeof(s->mreq)) < 0) {
perror("rtp: IP_ADD_MEMBERSHIP");
goto fail;
}
}
#endif
+#else
+ if (s->is_multicast && !(h->flags & URL_WRONLY))
+ s->local_port = port;
+ udp_fd = udp_ipv6_set_local(h);
+ if (udp_fd < 0)
+ goto fail;
+ if (s->is_multicast) {
+ if (h->flags & URL_WRONLY) {
+ if (udp_ipv6_set_multicast_ttl(udp_fd, s->ttl, (struct sockaddr *)&s->dest_addr) < 0)
+ goto fail;
+ } else {
+ if (udp_ipv6_join_multicast_group(udp_fd, (struct sockaddr *)&s->dest_addr) < 0)
+ goto fail;
+ }
+ }
+#endif
if (is_output) {
/* limit the tx buf size to limit latency */
return 0;
fail:
if (udp_fd >= 0)
-#ifdef CONFIG_BEOS_NETSERVER
closesocket(udp_fd);
-#else
- close(udp_fd);
-#endif
av_free(s);
- return -EIO;
+ return AVERROR_IO;
}
static int udp_read(URLContext *h, uint8_t *buf, int size)
{
UDPContext *s = h->priv_data;
+#ifndef CONFIG_IPV6
struct sockaddr_in from;
- int from_len, len;
+#else
+ struct sockaddr_storage from;
+#endif
+ socklen_t from_len;
+ int len;
for(;;) {
from_len = sizeof(from);
len = recvfrom (s->udp_fd, buf, size, 0,
(struct sockaddr *)&from, &from_len);
if (len < 0) {
- if (errno != EAGAIN && errno != EINTR)
- return -EIO;
+ if (ff_neterrno() != FF_NETERROR(EAGAIN) &&
+ ff_neterrno() != FF_NETERROR(EINTR))
+ return AVERROR_IO;
} else {
break;
}
int ret;
for(;;) {
- ret = sendto (s->udp_fd, buf, size, 0,
+ ret = sendto (s->udp_fd, buf, size, 0,
(struct sockaddr *) &s->dest_addr,
+#ifndef CONFIG_IPV6
sizeof (s->dest_addr));
+#else
+ s->dest_addr_len);
+#endif
if (ret < 0) {
- if (errno != EINTR && errno != EAGAIN)
- return -EIO;
+ if (ff_neterrno() != FF_NETERROR(EINTR) &&
+ ff_neterrno() != FF_NETERROR(EAGAIN))
+ return AVERROR_IO;
} else {
break;
}
{
UDPContext *s = h->priv_data;
-#ifndef CONFIG_BEOS_NETSERVER
+#ifndef CONFIG_IPV6
+#ifdef IP_DROP_MEMBERSHIP
if (s->is_multicast && !(h->flags & URL_WRONLY)) {
- if (setsockopt(s->udp_fd, IPPROTO_IP, IP_DROP_MEMBERSHIP,
+ if (setsockopt(s->udp_fd, IPPROTO_IP, IP_DROP_MEMBERSHIP,
&s->mreq, sizeof(s->mreq)) < 0) {
perror("IP_DROP_MEMBERSHIP");
}
}
- close(s->udp_fd);
+#endif
#else
- closesocket(s->udp_fd);
+ if (s->is_multicast && !(h->flags & URL_WRONLY))
+ udp_ipv6_leave_multicast_group(s->udp_fd, (struct sockaddr *)&s->dest_addr);
#endif
+ closesocket(s->udp_fd);
av_free(s);
return 0;
}
projects / ffmpeg / blobdiff