/*
* UDP prototype streaming system
- * Copyright (c) 2000, 2001, 2002 Fabrice Bellard.
+ * Copyright (c) 2000, 2001, 2002 Fabrice Bellard
*
* This file is part of FFmpeg.
*
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
+
+/**
+ * @file libavformat/udp.c
+ * UDP protocol
+ */
+
+#define _BSD_SOURCE /* Needed for using struct ip_mreq with recent glibc */
#include "avformat.h"
#include <unistd.h>
#include "network.h"
-
-#ifndef IPV6_ADD_MEMBERSHIP
-#define IPV6_ADD_MEMBERSHIP IPV6_JOIN_GROUP
-#define IPV6_DROP_MEMBERSHIP IPV6_LEAVE_GROUP
+#include "os_support.h"
+#if HAVE_SYS_SELECT_H
+#include <sys/select.h>
#endif
+#include <sys/time.h>
+
+#include <frsh.h>
typedef struct {
int udp_fd;
int ttl;
+ int buffer_size;
int is_multicast;
int local_port;
int reuse_socket;
-#ifndef CONFIG_IPV6
struct sockaddr_in dest_addr;
-#else
- struct sockaddr_storage dest_addr;
-#endif
- size_t dest_addr_len;
+ int dest_addr_len;
+
+ frsh_send_endpoint_t sepoint;
+ frsh_send_endpoint_t repoint;
+ frsh_vres_id_t vres;
+ frsh_send_endpoint_protocol_info_t send_pinfo;
+ frsh_contract_t contract;
+ frsh_rel_time_t budget, period;
} UDPContext;
#define UDP_TX_BUF_SIZE 32768
#define UDP_MAX_PKT_SIZE 65536
-static int udp_set_multicast_ttl(int sockfd, int mcastTTL, struct sockaddr *addr) {
-#ifdef IP_MULTICAST_TTL
- 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;
- }
- }
-#endif
-#ifdef CONFIG_IPV6
- 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;
- }
- }
-#endif
- return 0;
-}
-
-static int udp_join_multicast_group(int sockfd, struct sockaddr *addr) {
-#ifdef IP_ADD_MEMBERSHIP
- if (addr->sa_family == AF_INET) {
- struct ip_mreq mreq;
-
- 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;
- }
- }
-#endif
-#ifdef CONFIG_IPV6
- if (addr->sa_family == AF_INET6) {
- struct ipv6_mreq mreq6;
-
- 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;
- }
- }
-#endif
- return 0;
-}
-
-static int udp_leave_multicast_group(int sockfd, struct sockaddr *addr) {
-#ifdef IP_DROP_MEMBERSHIP
- if (addr->sa_family == AF_INET) {
- struct ip_mreq mreq;
-
- 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;
- }
- }
-#endif
-#ifdef CONFIG_IPV6
- if (addr->sa_family == AF_INET6) {
- struct ipv6_mreq mreq6;
-
- 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;
- }
- }
-#endif
+static int udp_set_multicast_ttl(int sockfd, int mcastTTL, struct sockaddr *addr)
+{
return 0;
}
-#ifdef CONFIG_IPV6
-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;
- }
- 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_set_url(struct sockaddr_storage *addr, const char *hostname, int port) {
- struct addrinfo *res0;
- int addr_len;
-
- res0 = udp_ipv6_resolve_host(hostname, port, SOCK_DGRAM, AF_UNSPEC, 0);
- if (res0 == 0) return AVERROR(EIO);
- memcpy(addr, res0->ai_addr, res0->ai_addrlen);
- addr_len = res0->ai_addrlen;
- freeaddrinfo(res0);
-
- return addr_len;
-}
-
-static int udp_socket_create(UDPContext *s, struct sockaddr_storage *addr, int *addr_len)
+static int udp_join_multicast_group(int sockfd, struct sockaddr *addr)
{
- int udp_fd = -1;
- struct addrinfo *res0 = NULL, *res = NULL;
- int family = AF_UNSPEC;
-
- if (((struct sockaddr *) &s->dest_addr)->sa_family)
- family = ((struct sockaddr *) &s->dest_addr)->sa_family;
- res0 = udp_ipv6_resolve_host(0, s->local_port, SOCK_DGRAM, family, 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");
- }
-
- if (udp_fd < 0)
- goto fail;
-
- memcpy(addr, res->ai_addr, res->ai_addrlen);
- *addr_len = res->ai_addrlen;
-
- freeaddrinfo(res0);
-
- return udp_fd;
-
- fail:
- if (udp_fd >= 0)
- closesocket(udp_fd);
- if(res0)
- freeaddrinfo(res0);
- return -1;
+ return 0;
}
-static int udp_port(struct sockaddr_storage *addr, int addr_len)
+static int udp_leave_multicast_group(int sockfd, struct sockaddr *addr)
{
- char sbuf[NI_MAXSERV];
- char hbuf[NI_MAXHOST];
-
- if (getnameinfo((struct sockaddr *)addr, addr_len, hbuf, sizeof(hbuf), sbuf, sizeof(sbuf), NI_NUMERICHOST | NI_NUMERICSERV) != 0) {
- perror("getnameinfo");
- return -1;
- }
-
- return strtol(sbuf, NULL, 10);
+ return 0;
}
-#else
-
static int udp_set_url(struct sockaddr_in *addr, const char *hostname, int port)
{
/* set the destination address */
return sizeof(struct sockaddr_in);
}
-static int udp_socket_create(UDPContext *s, struct sockaddr_in *addr, int *addr_len)
+static int is_multicast_address(struct sockaddr_in *addr)
{
- int fd;
+ return 0;
+}
- fd = socket(AF_INET, SOCK_DGRAM, 0);
- if (fd < 0)
- return -1;
+static int
+udp_socket_create(UDPContext *s, struct sockaddr_in *addr, int *addr_len)
+{
+ int ret,udp_fd;
addr->sin_family = AF_INET;
addr->sin_addr.s_addr = htonl (INADDR_ANY);
addr->sin_port = htons(s->local_port);
*addr_len = sizeof(struct sockaddr_in);
- return fd;
+ /* set params for contract */
+ frsh_network_bytes_to_budget(FRSH_NETPF_FWP, 8600000, &s->budget);
+ s->period = fosa_msec_to_rel_time(100);
+ s->send_pinfo.body = NULL;
+
+ udp_fd = frsh_send_endpoint_create(FRSH_NETPF_FWP,
+ s->dest_addr.sin_addr.s_addr,
+ ntohs(s->dest_addr.sin_port), s->send_pinfo,
+ &s->sepoint);
+ if (udp_fd < 0) {
+
+ return -1;
+ }
+
+ /* Contract negotiation */
+ ret = frsh_contract_init(&s->contract);
+ //if (ret) PERROR_AND_EXIT(ret, "frsh_contract_init");
+ if (ret) return -1;
+
+ ret = frsh_contract_set_basic_params(&s->contract,
+ &s->budget,
+ &s->period,
+ FRSH_WT_BOUNDED,
+ FRSH_CT_REGULAR);
+ //if (ret) PERROR_AND_EXIT(ret, "frsh_contract_set_basic_params");
+ if (ret) return -1;
+ ret = frsh_contract_set_resource_and_label(&s->contract,FRSH_RT_NETWORK,
+ FRSH_NETPF_FWP, "net_cont1");
+ //if (ret) PERROR_AND_EXIT(ret, "frsh_contract_set_resource_and_label");
+ if (ret) return -1;
+
+ ret = frsh_contract_negotiate(&s->contract, &s->vres);
+ //if (ret) PERROR_AND_EXIT(ret, "frsh_contract_negotiate");
+ if (ret) return -1;
+
+ printf("Send endpoint created\n");
+ frsh_send_endpoint_bind(s->vres, s->sepoint);
+ printf("Send endpoint bounded\n");
+
+ //fwp_endpoint_get_params(s->sepoint->protocol_info.body, &node,
+ // &port, &attr, &fd);
+
+ return udp_fd;
}
static int udp_port(struct sockaddr_in *addr, int len)
{
return ntohs(addr->sin_port);
}
-#endif /* CONFIG_IPV6 */
-
/**
* If no filename is given to av_open_input_file because you want to
* the remote server address.
*
* url syntax: udp://host:port[?option=val...]
- * option: 'multicast=1' : enable multicast
- * 'ttl=n' : set the ttl value (for multicast only)
+ * option: '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
if (s->dest_addr_len < 0) {
return AVERROR(EIO);
}
+ s->is_multicast = is_multicast_address(&s->dest_addr);
return 0;
}
* streams at the same time.
* @param h media file context
*/
+#if (LIBAVFORMAT_VERSION_MAJOR >= 53)
+static
+#endif
int udp_get_file_handle(URLContext *h)
{
UDPContext *s = h->priv_data;
int is_output;
const char *p;
char buf[256];
-#ifndef CONFIG_IPV6
struct sockaddr_in my_addr;
-#else
- struct sockaddr_storage my_addr;
-#endif
int len;
h->is_streamed = 1;
is_output = (flags & URL_WRONLY);
+ if(!ff_network_init())
+ return AVERROR(EIO);
+
s = av_mallocz(sizeof(UDPContext));
if (!s)
return AVERROR(ENOMEM);
h->priv_data = s;
s->ttl = 16;
+ s->buffer_size = is_output ? UDP_TX_BUF_SIZE : UDP_MAX_PKT_SIZE;
+
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);
if (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)) {
+ s->buffer_size = strtol(buf, NULL, 10);
+ }
}
/* fill the dest addr */
/* XXX: fix url_split */
if (hostname[0] == '\0' || hostname[0] == '?') {
/* only accepts null hostname if input */
- if (s->is_multicast || (flags & URL_WRONLY))
+ if (flags & URL_WRONLY)
goto fail;
} else {
udp_set_remote_url(h, uri);
}
- if(!ff_network_init())
- return AVERROR(EIO);
-
- if (s->is_multicast && !(h->flags & URL_WRONLY))
- s->local_port = port;
udp_fd = udp_socket_create(s, &my_addr, &len);
if (udp_fd < 0)
goto fail;
-
+#if 0
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, len) < 0)
- goto fail;
+ /* bind to the local address if not multicast or if the multicast
+ * bind failed */
+ /*if (bind_ret < 0 && bind(udp_fd,(struct sockaddr *)&my_addr, len) < 0)
+ goto fail;*/
+#endif
len = sizeof(my_addr);
getsockname(udp_fd, (struct sockaddr *)&my_addr, &len);
s->local_port = udp_port(&my_addr, len);
- if (s->is_multicast) {
- if (h->flags & URL_WRONLY) {
- /* output */
- if (udp_set_multicast_ttl(udp_fd, s->ttl, (struct sockaddr *)&s->dest_addr) < 0)
- goto fail;
- } else {
- /* input */
- if (udp_join_multicast_group(udp_fd, (struct sockaddr *)&s->dest_addr) < 0)
- goto fail;
- }
- }
-
if (is_output) {
/* limit the tx buf size to limit latency */
- tmp = UDP_TX_BUF_SIZE;
+ tmp = s->buffer_size;
if (setsockopt(udp_fd, SOL_SOCKET, SO_SNDBUF, &tmp, sizeof(tmp)) < 0) {
- perror("setsockopt sndbuf");
+ av_log(NULL, AV_LOG_ERROR, "setsockopt(SO_SNDBUF): %s\n", strerror(errno));
goto fail;
}
} else {
/* set udp recv buffer size to the largest possible udp packet size to
* avoid losing data on OSes that set this too low by default. */
- tmp = UDP_MAX_PKT_SIZE;
- setsockopt(udp_fd, SOL_SOCKET, SO_RCVBUF, &tmp, sizeof(tmp));
+ tmp = s->buffer_size;
+ if (setsockopt(udp_fd, SOL_SOCKET, SO_RCVBUF, &tmp, sizeof(tmp)) < 0) {
+ av_log(NULL, AV_LOG_WARNING, "setsockopt(SO_RECVBUF): %s\n", strerror(errno));
+ }
+ /* make the socket non-blocking */
+ ff_socket_nonblock(udp_fd, 1);
}
-
s->udp_fd = udp_fd;
return 0;
+
fail:
if (udp_fd >= 0)
closesocket(udp_fd);
static int udp_read(URLContext *h, uint8_t *buf, int size)
{
UDPContext *s = h->priv_data;
- int len;
+ unsigned int from;
+ int len;
- for(;;) {
- 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;
- }
- }
- return len;
+ return frsh_receive_sync(s->repoint, buf, size, &len, &from);
}
static int udp_write(URLContext *h, uint8_t *buf, int size)
{
UDPContext *s = h->priv_data;
int ret;
-
- for(;;) {
- ret = sendto (s->udp_fd, buf, size, 0,
- (struct sockaddr *) &s->dest_addr,
- s->dest_addr_len);
- if (ret < 0) {
- if (ff_neterrno() != FF_NETERROR(EINTR) &&
- ff_neterrno() != FF_NETERROR(EAGAIN))
- return AVERROR(EIO);
- } else {
- break;
- }
- }
- return size;
+
+ ret = frsh_send_async(s->sepoint, buf, size);
+ return ret;
}
static int udp_close(URLContext *h)
{
UDPContext *s = h->priv_data;
-
- if (s->is_multicast && !(h->flags & URL_WRONLY))
- udp_leave_multicast_group(s->udp_fd, (struct sockaddr *)&s->dest_addr);
- closesocket(s->udp_fd);
- ff_network_close();
- av_free(s);
- return 0;
+ int ret1, ret2;
+
+ ret1 = frsh_send_endpoint_destroy(s->sepoint);
+ ret2 = frsh_receive_endpoint_destroy(s->repoint);
+ return (ret1 || ret2);
}
URLProtocol udp_protocol = {
udp_write,
NULL, /* seek */
udp_close,
+ .url_get_file_handle = udp_get_file_handle,
};